:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", sans-serif;
  --bg: #e7ecf3;
  --bg-top: #f2f5f9;
  --surface: rgba(248,250,253,.94);
  --surface-solid: #fbfcfe;
  --surface-soft: #e7ecf3;
  --surface-hover: #dde5ef;
  --surface-canvas: #fbfaf6;
  --surface-axis-band: rgba(218,224,234,.52);
  --surface-radar: #dce4ef;
  --surface-radar-deep: #ced8e6;
  --text: #202735;
  --text-muted: #687386;
  --text-soft: #8993a3;
  --border: rgba(44,55,72,.13);
  --border-strong: rgba(44,55,72,.21);
  --axis: #596273;
  --tick-major: #667183;
  --tick-minor: #cbd2dd;
  --focus: rgba(10,102,255,.19);
  --shadow-low: 0 1px 2px rgba(17,24,39,.04), 0 6px 18px rgba(17,24,39,.05);
  --shadow-float: 0 18px 50px rgba(17,24,39,.16), 0 3px 12px rgba(17,24,39,.08);
  --paper-noise: .075;
  --font-heading: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  --accent-text: #6c4cf6;
  --parchment-top: #fffaf0;
  --parchment-mid: #f6ecd8;
  --parchment-bottom: #eadbc0;
  background: var(--bg);
  color: var(--text);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #10151d;
  --bg-top: #151b24;
  --surface: rgba(23,29,39,.88);
  --surface-solid: #171d27;
  --surface-soft: #1d2531;
  --surface-hover: #26303e;
  --surface-canvas: #141a23;
  --surface-axis-band: rgba(74,86,105,.23);
  --surface-radar: #1a2230;
  --surface-radar-deep: #151c28;
  --text: #edf1f7;
  --text-muted: #a0abbb;
  --text-soft: #748095;
  --border: rgba(226,233,244,.11);
  --border-strong: rgba(226,233,244,.19);
  --axis: #aeb8c7;
  --tick-major: #a7b2c2;
  --tick-minor: #3b4658;
  --focus: rgba(94,161,255,.25);
  --shadow-low: 0 1px 2px rgba(0,0,0,.25), 0 10px 28px rgba(0,0,0,.18);
  --shadow-float: 0 24px 64px rgba(0,0,0,.42), 0 4px 16px rgba(0,0,0,.32);
  --paper-noise: .055;
  --accent-text: #a78bfa;
  --parchment-top: #242018;
  --parchment-mid: #1d1a15;
  --parchment-bottom: #15130f;
}

* { box-sizing: border-box; }
html, body { margin: 0; width: 100%; height: 100%; min-height: 0; overflow: hidden; }
body {
  display: flex;
  font-family: var(--font-body);
  height: 100dvh;
  min-height: 0;
  overflow: hidden;
  flex-direction: column;
  background:
    linear-gradient(180deg, var(--bg-top) 0%, color-mix(in srgb, var(--bg) 94%, #dfe8f7 6%) 52%, var(--bg) 100%);
  color: var(--text);
  letter-spacing: -.008em;
}

button, input, select, textarea { font-family: var(--font-body); }
:is(h1, h2, h3, h4, legend, .settings-section > h3, .settings-heading h2, .above-sets-label, .visible-sets-label, .field-label, label > span:first-child) {
  font-family: var(--font-heading);
  color: var(--accent-text);
}
:is(input, select, textarea, p, small, .event-label-text, .detail-panel, .tooltip, .list-view-card) {
  font-family: var(--font-body);
}
button, input, select { font: inherit; }
button, input, select { transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease, box-shadow 160ms ease, transform 160ms ease; }
button {
  border: 1px solid var(--border);
  background: linear-gradient(180deg, color-mix(in srgb, var(--surface-solid) 98%, white 2%), var(--surface-soft));
  color: var(--text);
  border-radius: 9px;
  min-height: 34px;
  padding: 7px 12px;
  cursor: pointer;
  box-shadow: 0 1px 1px rgba(0,0,0,.025);
}
button:hover { background: var(--surface-hover); border-color: var(--border-strong); }
button:active { transform: translateY(1px); }
button:focus-visible, input:focus-visible, select:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--focus); }

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 17px 20px 12px;
  background: var(--surface);
  backdrop-filter: blur(18px) saturate(1.15);
  -webkit-backdrop-filter: blur(18px) saturate(1.15);
  border-bottom: 1px solid var(--border);
}
.app-header h1 {
  margin: 0;
  font-size: 38px;
  line-height: .98;
  font-weight: 760;
  letter-spacing: -.045em;
  background: linear-gradient(90deg, #ff5a5f 0%, #ff9f0a 18%, #ffd60a 33%, #34c759 50%, #0a84ff 68%, #5e5ce6 83%, #bf5af2 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  width: fit-content;
}
.brand-block .subtitle { margin-top: 6px; color: var(--text); font-size: 16px; font-weight: 560; letter-spacing: .015em; }
.app-header p { margin: 5px 0 0; color: var(--text-muted); font-size: 14px; font-weight: 400; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.zoom-controls, .theme-control { display: flex; gap: 5px; padding: 3px; border: 1px solid var(--border); border-radius: 11px; background: color-mix(in srgb, var(--surface-solid) 72%, transparent); }
.zoom-controls button, .theme-control button { border: 0; min-width: 34px; padding: 5px 9px; background: transparent; box-shadow: none; }
.theme-option.is-active { background: var(--surface-solid); box-shadow: var(--shadow-low); color: var(--text); }

.toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 10px 20px;
  background: var(--surface);
  backdrop-filter: blur(18px) saturate(1.12);
  -webkit-backdrop-filter: blur(18px) saturate(1.12);
  border-bottom: 1px solid var(--border);
}
.primary-set { display: inline-flex; align-items: center; gap: 8px; color: var(--text-muted); font-size: 14px; white-space: nowrap; }
.primary-set select, .sheet-url input {
  border: 1px solid var(--border);
  background: var(--surface-solid);
  color: var(--text);
  border-radius: 8px;
  min-height: 34px;
  padding: 7px 9px;
}
.primary-set select { min-width: 150px; }
.category-filters { display: flex; flex-wrap: wrap; gap: 7px; flex: 1; }
.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  background: color-mix(in srgb, var(--surface-solid) 86%, transparent);
  font-size: 14px;
  box-shadow: 0 1px 1px rgba(0,0,0,.02);
  transition: background-color 160ms ease, border-color 160ms ease, transform 160ms ease;
}
.filter-chip:hover { background: var(--surface-hover); border-color: var(--border-strong); }
.filter-chip input { margin: 0; accent-color: currentColor; }
.swatch { width: 9px; height: 9px; border-radius: 2px; background: #64748b; box-shadow: inset 0 0 0 1px rgba(0,0,0,.08); }
.sheet-url { display: flex; align-items: center; gap: 8px; color: var(--text-muted); font-size: 14px; }
.sheet-url input { width: min(40vw, 480px); min-width: 240px; }

main { display: flex; flex: 1 1 auto; flex-direction: column; min-height: 0; overflow: hidden; padding: 0; }
.timeline-viewport {
  position: relative;
  flex: 1 1 auto;
  height: auto;
  min-height: 0;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(255,255,255,.46), transparent 46%),
    linear-gradient(180deg, var(--parchment-top) 0%, var(--parchment-mid) 52%, var(--parchment-bottom) 100%);
  box-shadow: none;
  touch-action: none;
  user-select: none;
  outline: none;
  isolation: isolate;
}
.timeline-viewport::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 4;
  opacity: var(--paper-noise);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.35'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}
.timeline-viewport:focus { box-shadow: inset 0 0 0 2px var(--focus); }
#timelineCanvas, .label-layer, .leader-canvas, .axis-canvas, .axis-label-layer { position: absolute; inset: 0; width: 100%; height: 100%; }
#timelineCanvas { z-index: 1; }
.label-layer { pointer-events: none; overflow: hidden; z-index: 2; }
.leader-canvas { pointer-events: none; z-index: 0; }
.axis-canvas { pointer-events: none; z-index: 5; }
.axis-label-layer { pointer-events: none; overflow: hidden; z-index: 5; }

/* v2.5.7 — stronger layered surfaces and desktop paper canvas.
   Desktop gains depth; iPad and iPhone remain edge-to-edge and space efficient. */
@media (min-width: 1025px) {
  body {
    padding: 12px;
    gap: 0;
    background:
      radial-gradient(circle at 18% 0%, rgba(255,255,255,.72), transparent 34%),
      linear-gradient(180deg, #eef2f7 0%, #e2e8f1 100%);
  }

  :root[data-theme="dark"] body {
    background:
      radial-gradient(circle at 18% 0%, rgba(84,102,130,.18), transparent 34%),
      linear-gradient(180deg, #141b25 0%, #0d1219 100%);
  }

  .app-header {
    border: 1px solid var(--border);
    border-bottom: 0;
    border-radius: 18px 18px 0 0;
    box-shadow: 0 12px 34px rgba(28,39,58,.08);
  }

  .toolbar {
    margin-bottom: 10px;
    border: 1px solid var(--border);
    border-top: 0;
    border-radius: 0 0 18px 18px;
    box-shadow: 0 14px 34px rgba(28,39,58,.08);
  }

  main {
    border: 1px solid color-mix(in srgb, var(--border-strong) 72%, transparent);
    border-radius: 20px;
    box-shadow: 0 18px 46px rgba(28,39,58,.13), 0 2px 8px rgba(28,39,58,.06);
    overflow: hidden;
    background: var(--surface-canvas);
  }

  .timeline-viewport {
    border-radius: 19px 19px 0 0;
    background:
      linear-gradient(180deg, rgba(255,255,255,.70) 0%, transparent 22%),
      linear-gradient(180deg, #fffefb 0%, #fbfaf6 52%, #f3f1ea 100%);
  }

  :root[data-theme="dark"] .timeline-viewport {
    background:
      linear-gradient(180deg, rgba(255,255,255,.025) 0%, transparent 24%),
      linear-gradient(180deg, #171e28 0%, #141a23 54%, #111720 100%);
  }

  .overview-navigator {
    border-radius: 0 0 19px 19px;
    background: linear-gradient(180deg, var(--surface-radar), var(--surface-radar-deep));
  }
}

@media (max-width: 1024px) {
  body { padding: 0; }
  .app-header, .toolbar, main, .timeline-viewport, .overview-navigator {
    margin: 0;
    border-radius: 0;
    box-shadow: none;
  }
  .timeline-viewport {
    background: linear-gradient(180deg, #fffefb 0%, var(--surface-canvas) 55%, #f5f3ed 100%);
  }
  :root[data-theme="dark"] .timeline-viewport {
    background: linear-gradient(180deg, #171d27 0%, var(--surface-canvas) 55%, #111720 100%);
  }
}

/* Phone radar is a pure navigator; desktop-only labels waste vertical space. */
@media (max-width: 699px) and (orientation: portrait) {
  .overview-navigator .overview-heading { display: none !important; }
}
html[data-preview-size="phone"] .overview-navigator .overview-heading {
  display: none !important;
}

.event-label {
  position: absolute;
  max-width: 360px;
  border-radius: 0;
  padding: 5px 8px;
  font-size: 13px;
  line-height: 1.3;
  font-weight: 520;
  background: #64748b;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border: 0;
  box-shadow: 0 3px 10px rgba(15,23,42,.12);
  text-shadow: 0 1px 1px rgba(0,0,0,.18);
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  overflow: hidden;
  transform-origin: left center;
  transition: box-shadow 160ms ease, filter 160ms ease, opacity 160ms ease;
}
.event-label.major { font-weight: 650; }

.event-label-text {
  display: block;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.event-thumbnail {
  display: block;
  flex: 0 0 25px;
  width: 25px;
  height: 25px;
  margin: -4px 0;
  object-fit: cover;
  border-radius: 3px;
  background: color-mix(in srgb, white 12%, transparent);
}
.event-thumbnail[hidden] { display: none !important; }
.period-label {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 590;
  background: transparent;
  border: 0;
  box-shadow: none;
  padding: 0 9px;
  text-align: center;
  backdrop-filter: none;
}
.event-year { position: absolute; font-size: 12px; line-height: 1; font-weight: 560; white-space: nowrap; text-align: center; text-shadow: 0 1px 0 color-mix(in srgb, var(--surface-solid) 75%, transparent); }
.axis-label-layer .event-year { z-index: 1; }

.tooltip {
  position: absolute;
  z-index: 6;
  max-width: 340px;
  pointer-events: auto;
  background: color-mix(in srgb, var(--surface-solid) 68%, transparent);
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  padding: 14px 15px;
  font-size: 13px;
  line-height: 1.45;
  box-shadow: 0 24px 64px rgba(17,24,39,.24), 0 6px 18px rgba(17,24,39,.15);
  backdrop-filter: blur(22px) saturate(1.35);
  -webkit-backdrop-filter: blur(22px) saturate(1.35);
  animation: tooltip-in 150ms ease-out;
}
@keyframes tooltip-in { from { opacity: 0; transform: translateY(3px) scale(.99); } to { opacity: 1; transform: none; } }
.tooltip strong { display: block; margin-bottom: 4px; font-size: 15px; font-weight: 650; letter-spacing: -.012em; }
.tooltip .date { color: var(--text-muted); margin-bottom: 7px; }
.tooltip .body { white-space: pre-wrap; color: var(--text); }
.tooltip .media-caption { margin-top: 8px; color: var(--text-muted); font-size: 12px; }
.tooltip a { display: inline-flex; margin-top: 9px; color: #3b82f6; text-decoration: none; font-weight: 600; }
.tooltip a:hover { text-decoration: underline; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

@media (max-width: 760px) {
  .app-header { align-items: flex-start; }
  .header-actions { flex-direction: column; align-items: flex-end; }
  .sheet-url { width: 100%; }
  .sheet-url input { flex: 1; width: auto; min-width: 0; }
  .timeline-viewport { height: auto; min-height: 0; }
}


.zoom-rail {
  position: absolute;
  z-index: 7;
  top: 18px;
  right: 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.zoom-rail button {
  width: 36px;
  height: 36px;
  min-height: 36px;
  padding: 0;
  border-radius: 8px;
  font-size: 23px;
  line-height: 1;
  font-weight: 380;
  background: color-mix(in srgb, var(--surface-solid) 91%, transparent);
  border: 1px solid var(--border);
  box-shadow: 0 4px 14px rgba(17,24,39,.10);
  backdrop-filter: blur(14px) saturate(1.15);
  -webkit-backdrop-filter: blur(14px) saturate(1.15);
}
.zoom-rail button:nth-of-type(3) { font-size: 18px; font-weight: 520; }
.zoom-range-wrap {
  display: grid;
  justify-items: center;
  gap: 3px;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: .045em;
  text-transform: uppercase;
}
.zoom-rail input[type="range"] {
  writing-mode: vertical-lr;
  direction: rtl;
  width: 30px;
  height: 152px;
  margin: 0;
  accent-color: var(--text);
  cursor: ns-resize;
}
.tooltip-thumbnail {
  display: block;
  width: 100%;
  max-height: 160px;
  object-fit: cover;
  margin: 8px 0;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.tooltip .body.empty { color: var(--text-soft); font-style: italic; }
.tooltip .media-credit { margin-top: 3px; color: var(--text-soft); font-size: 11px; }



.detail-panel { position:absolute; z-index:9; top:0; right:0; bottom:0; width:min(360px,42%); overflow:auto; padding:20px 18px; border:0; border-left:1px solid var(--border-strong); border-radius:0; background:var(--surface-solid); color:var(--text); box-shadow:none; backdrop-filter:none; -webkit-backdrop-filter:none; pointer-events:auto; }
.detail-close { position:sticky; float:right; top:0; width:30px; height:30px; min-height:30px; padding:0; border-radius:0; font-size:20px; z-index:12; background:var(--surface-solid); pointer-events:auto; }
.detail-close svg { width:16px; height:16px; display:block; margin:auto; fill:none; stroke:currentColor; stroke-width:2; stroke-linecap:round; pointer-events:none; }
.detail-panel h2 { margin:2px 38px 4px 0; font-size:20px; line-height:1.15; letter-spacing:-.025em; }
.detail-panel .detail-date,.detail-panel .detail-meta { color:var(--text-muted); font-size:13px; margin-bottom:12px; }
.detail-panel .detail-body { font-size:14px; line-height:1.55; white-space:pre-wrap; }
.detail-panel img { width:100%; max-height:210px; object-fit:cover; margin:12px 0 6px; border-radius:0; }
.detail-panel a { color:#3b82f6; font-weight:600; text-decoration:none; }
.detail-panel a:hover { text-decoration:underline; }
.overview-navigator { position:relative; z-index:8; height:86px; flex:0 0 86px; border-top:1px solid var(--border-strong); background:linear-gradient(180deg,var(--surface-radar),var(--surface-radar-deep)); padding:7px 18px 10px; touch-action:none; user-select:none; overflow:hidden; box-shadow:0 -8px 24px rgba(15,23,42,.07), inset 0 1px 0 color-mix(in srgb, white 45%, transparent); }
.overview-heading { height:20px; display:flex; justify-content:space-between; align-items:center; gap:16px; color:var(--text-muted); font-size:11px; font-weight:650; letter-spacing:.035em; text-transform:uppercase; }
.overview-heading span:last-child { font-weight:500; letter-spacing:0; text-transform:none; color:var(--text-soft); }
.overview-track { position:relative; height:48px; border:1px solid color-mix(in srgb,var(--border-strong) 78%,transparent); border-radius:8px; background:color-mix(in srgb,var(--surface-radar-deep) 72%,var(--surface-solid)); overflow:hidden; cursor:crosshair; box-shadow:inset 0 1px 2px rgba(20,30,48,.08); }
#overviewCanvas { width:100%; height:100%; display:block; }
.overview-window { position:absolute; top:2px; bottom:2px; min-width:28px; border:1.5px solid color-mix(in srgb,var(--text) 72%,transparent); border-radius:7px; background:color-mix(in srgb,var(--surface-solid) 56%,transparent); cursor:grab; box-shadow:0 3px 12px rgba(31,41,55,.14), inset 0 0 0 1px color-mix(in srgb,var(--surface-solid) 72%,transparent); backdrop-filter:blur(4px); -webkit-backdrop-filter:blur(4px); z-index:3; }
.overview-window:active { cursor:grabbing; }
.overview-handle { position:absolute; top:-2px; bottom:-2px; width:18px; cursor:ew-resize; z-index:5; background:transparent; }
.overview-handle::after { content:""; position:absolute; top:7px; bottom:7px; width:4px; border-radius:2px; background:var(--text); box-shadow:0 0 0 1px color-mix(in srgb,var(--surface-solid) 75%,transparent); }
.overview-handle-left { left:-9px; }
.overview-handle-left::after { right:5px; }
.overview-handle-right { right:-9px; }
.overview-handle-right::after { left:5px; }
.overview-window:hover .overview-handle::after, .overview-handle:hover::after { width:6px; }
.lane-caption { position:absolute; left:12px; z-index:5; padding:3px 7px; font-size:11px; font-weight:650; letter-spacing:.045em; text-transform:uppercase; color:var(--text-muted); background:color-mix(in srgb,var(--surface-solid) 78%,transparent); border-radius:5px; backdrop-filter:blur(10px); }
.lane-caption-top { top:72px; }
.lane-caption-bottom { top:50%; margin-top:34px; }
.timeline-viewport.has-focus .label-layer,.timeline-viewport.has-focus canvas { filter:saturate(.45) opacity(.36); }
.timeline-viewport.hover-focus .event-label:not(.is-focused), .timeline-viewport.hover-focus .period-label:not(.is-focused) { opacity:.30; filter:saturate(.45); }
.event-label.is-selected,.period-label.is-selected { box-shadow:0 7px 22px rgba(15,23,42,.28); filter:saturate(1.12) brightness(1.04); }
@media (max-width:760px){ .detail-panel{left:0;right:0;top:auto;bottom:0;width:auto;max-height:52%;border-left:0;border-top:1px solid var(--border-strong);} .overview-navigator{padding-left:10px;padding-right:10px}.overview-heading{display:none}.lane-caption{display:none} }

.timeline-viewport.is-dial-zooming .event-label, .timeline-viewport.is-dial-zooming .event-year { transition:none !important; animation:none !important; }

.detail-media { margin-top:14px; padding-top:10px; border-top:1px solid var(--border); }
.detail-media-url, .tooltip .media-url { margin-top:4px; color:var(--text-soft); font-size:11px; line-height:1.35; overflow-wrap:anywhere; user-select:text; }
.tooltip .media-link { margin-top:8px; }

/* Interaction refinements */
.tooltip {
  max-height: calc(100% - 20px);
  overflow: auto;
  overscroll-behavior: contain;
}
.tooltip-image-slot[hidden] { display: none !important; }
.tooltip-image-slot { margin: 8px 0; }
.tooltip-thumbnail { margin: 0; }
.timeline-viewport.hover-focus .event-label:not(.is-focused),
.timeline-viewport.hover-focus .period-label:not(.is-focused) {
  opacity: 1;
  filter: none;
}

#status.status-warning {
  display: inline-block;
  margin-top: 8px;
  padding: 7px 10px;
  border: 1px solid color-mix(in srgb, #d97706 42%, transparent);
  border-radius: 7px;
  background: color-mix(in srgb, #f59e0b 13%, transparent);
  color: #92400e;
  font-weight: 650;
  line-height: 1.35;
}

html[data-theme="dark"] #status.status-warning {
  color: #fcd34d;
  border-color: color-mix(in srgb, #f59e0b 45%, transparent);
  background: color-mix(in srgb, #f59e0b 15%, transparent);
}


/* Chrona v1.16 — Aurora glass facelift */
:root {
  --glass-border: rgba(255,255,255,.56);
  --glass-shadow: 0 14px 38px rgba(28,39,70,.16), 0 3px 10px rgba(28,39,70,.08);
  --glass-inset: inset 0 1px 0 rgba(255,255,255,.72), inset 0 -1px 0 rgba(255,255,255,.12);
}
:root[data-theme="dark"] {
  --glass-border: rgba(255,255,255,.16);
  --glass-shadow: 0 18px 48px rgba(0,0,0,.38), 0 4px 14px rgba(0,0,0,.24);
  --glass-inset: inset 0 1px 0 rgba(255,255,255,.18), inset 0 -1px 0 rgba(255,255,255,.035);
}
body {
  background:
    radial-gradient(980px 560px at 8% -16%, color-mix(in srgb, #7ba7e8 11%, transparent), transparent 64%),
    radial-gradient(860px 520px at 96% -12%, color-mix(in srgb, #a78bd7 8%, transparent), transparent 66%),
    linear-gradient(180deg, var(--bg-top), var(--bg));
}
.app-header, .toolbar {
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(24px) saturate(1.18);
  -webkit-backdrop-filter: blur(24px) saturate(1.18);
  border-color: var(--border);
}

button:hover, .filter-chip:hover {
  transform: translateY(-1px);
  box-shadow: var(--glass-inset), 0 9px 22px rgba(28,39,70,.13);
}
.timeline-viewport {
  background:
    linear-gradient(180deg,
      color-mix(in srgb, var(--surface-canvas) 99%, white 1%) 0%,
      var(--surface-canvas) 48%,
      color-mix(in srgb, var(--surface-canvas) 92%, var(--surface-soft) 8%) 100%);
}
.event-label {
  --event-color: #64748b;
  --event-color-deep: color-mix(in srgb, var(--event-color) 76%, #08111f);
  --event-color-light: color-mix(in srgb, var(--event-color) 58%, white);
  position: absolute;
  isolation: isolate;
  overflow: hidden;
  border-radius: 11px;
  color: #fff;
  background:
    radial-gradient(130% 180% at 4% -40%, rgba(255,255,255,.55), transparent 46%),
    linear-gradient(90deg, var(--event-color-deep) 0%, var(--event-color) 58%, var(--event-color-light) 100%);
  border: 1px solid color-mix(in srgb, var(--event-color-light) 72%, white);
  box-shadow:
    0 9px 22px color-mix(in srgb, var(--event-color) 30%, transparent),
    inset 0 1px 0 rgba(255,255,255,.62),
    inset 0 -1px 0 rgba(0,0,0,.15);
  backdrop-filter: blur(16px) saturate(1.5);
  -webkit-backdrop-filter: blur(16px) saturate(1.5);
  text-shadow: 0 1px 2px rgba(0,0,0,.32);
}
.event-label::before {
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background: linear-gradient(90deg, rgba(0,0,0,.16), transparent 48%, rgba(255,255,255,.24));
  pointer-events:none;
}
.event-label:hover, .event-label.is-selected {
  filter: saturate(1.12) brightness(1.07);
  box-shadow:
    0 13px 30px color-mix(in srgb, var(--event-color) 42%, transparent),
    0 0 0 2px color-mix(in srgb, var(--event-color-light) 45%, transparent),
    inset 0 1px 0 rgba(255,255,255,.74);
}
.event-label-text {
  background: none;
  color: #fff;
  -webkit-text-fill-color: #fff;
  filter: drop-shadow(0 1px 1px rgba(0,0,0,.34));
}
.period-label {
  border-radius: 9px;
  color: #fff;
  -webkit-text-fill-color: #fff;
  background:
    linear-gradient(90deg, rgba(0,0,0,.18), transparent 52%, rgba(255,255,255,.24)),
    linear-gradient(90deg, var(--event-color-deep) 0%, var(--event-color) 58%, var(--event-color-light) 100%);
  background-size: 100% 100%;
  border-color: color-mix(in srgb, var(--event-color-light) 72%, white);
  box-shadow:
    0 9px 22px color-mix(in srgb, var(--event-color) 30%, transparent),
    inset 0 1px 0 rgba(255,255,255,.62),
    inset 0 -1px 0 rgba(0,0,0,.15);
  text-shadow: 0 1px 2px rgba(0,0,0,.40);
}
.tooltip, .detail-panel {
  --event-color: #5b7cfa;
  background:
    radial-gradient(360px 210px at 8% 0%, color-mix(in srgb, var(--event-color) 20%, transparent), transparent 66%),
    linear-gradient(90deg, color-mix(in srgb, var(--surface-solid) 90%, #08111f 10%), color-mix(in srgb, var(--surface-solid) 64%, white 12%));
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow), var(--glass-inset);
  backdrop-filter: blur(30px) saturate(1.55);
  -webkit-backdrop-filter: blur(30px) saturate(1.55);
}
.tooltip { border-radius: 18px; }
.tooltip::before, .detail-panel::before {
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background: linear-gradient(90deg, rgba(0,0,0,.10), transparent 52%, rgba(255,255,255,.22));
}
.tooltip strong, .detail-panel h2 {
  background: none;
  color: #fff;
  -webkit-text-fill-color: #fff;
  text-shadow: 0 1px 2px rgba(0,0,0,.38);
}
.detail-panel {
  top:12px;
  right:12px;
  bottom:12px;
  width:min(380px,42%);
  border-radius:22px;
  overflow:auto;
}
.detail-close {
  border-radius:10px;
  background: color-mix(in srgb, var(--surface-solid) 62%, transparent);
  border:1px solid var(--glass-border);
  box-shadow:var(--glass-inset), 0 5px 15px rgba(0,0,0,.10);
  backdrop-filter:blur(14px);
}
.tooltip-thumbnail, .detail-panel img {
  border-radius:14px;
  border:1px solid var(--glass-border);
  box-shadow:0 10px 26px rgba(0,0,0,.16), inset 0 1px 0 rgba(255,255,255,.28);
}
.zoom-rail button, .overview-navigator {
  background:
    linear-gradient(145deg, rgba(255,255,255,.30), rgba(255,255,255,.06)),
    color-mix(in srgb, var(--surface-solid) 72%, transparent);
  border-color:var(--glass-border);
  backdrop-filter:blur(24px) saturate(1.45);
  -webkit-backdrop-filter:blur(24px) saturate(1.45);
}
.overview-track {
  border-radius:12px;
  background:
    radial-gradient(70% 120% at 8% 0%, rgba(59,130,246,.12), transparent 72%),
    color-mix(in srgb, var(--surface-soft) 70%, transparent);
  border-color:var(--glass-border);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.48), inset 0 0 18px rgba(42,63,110,.08);
}
.overview-window {
  border-radius:8px;
  border:2px solid rgba(255,255,255,.96);
  background:rgba(255,255,255,.045);
  box-shadow:
    0 0 0 1px rgba(16,24,40,.72),
    0 3px 10px rgba(15,23,42,.16),
    inset 0 0 0 1px rgba(255,255,255,.18);
  backdrop-filter:none;
  -webkit-backdrop-filter:none;
}
.overview-window::after {
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:transparent;
}
.overview-handle::after {
  background:#fff;
  box-shadow:0 0 0 1px rgba(15,23,42,.72), 0 1px 3px rgba(15,23,42,.28);
}
@media (max-width:760px){
  .detail-panel{left:10px;right:10px;bottom:10px;width:auto;border-radius:18px;}
}

/* Chrona v1.18 — unified glass design system */
:root {
  --ui-radius: 11px;
  --ui-radius-large: 16px;
  --ui-white: #fff;
  --ui-shadow-clean: 0 5px 12px rgba(15,23,42,.14), 0 1px 3px rgba(15,23,42,.10);
  --ui-shadow-clean-hover: 0 7px 16px rgba(15,23,42,.18), 0 2px 4px rgba(15,23,42,.11);
  --ui-inset: inset 0 1px 0 rgba(255,255,255,.34), inset 0 -1px 0 rgba(0,0,0,.12);
}
:root[data-theme="dark"] {
  --bg: #24272d;
  --bg-top: #2c3037;
  --surface: rgba(48,52,60,.86);
  --surface-solid: #30343b;
  --surface-soft: #373c44;
  --surface-hover: #414750;
  --ui-shadow-clean: 0 5px 12px rgba(0,0,0,.26), 0 1px 3px rgba(0,0,0,.20);
  --ui-shadow-clean-hover: 0 7px 16px rgba(0,0,0,.30), 0 2px 4px rgba(0,0,0,.22);
}

/* White text belongs only to dark/colored content surfaces.
   Neutral interface controls inherit the active light/dark text tokens. */
.event-label,
.period-label,
.filter-chip,
.tooltip,
.detail-panel {
  color: var(--ui-white);
  -webkit-text-fill-color: var(--ui-white);
}



/* One universal dark-to-light, left-to-right treatment. */
.event-label,
.period-label {
  border-radius: var(--ui-radius);
  clip-path: inset(0 round var(--ui-radius));
  background:
    linear-gradient(90deg, rgba(0,0,0,.24) 0%, transparent 54%, rgba(255,255,255,.16) 100%),
    linear-gradient(90deg, var(--event-color-deep) 0%, var(--event-color) 58%, var(--event-color-light) 100%);
  border: 1px solid color-mix(in srgb, var(--event-color-light) 54%, white);
  box-shadow: var(--ui-shadow-clean), var(--ui-inset);
  text-shadow: 0 1px 2px rgba(0,0,0,.52);
  backdrop-filter: blur(10px) saturate(1.22);
  -webkit-backdrop-filter: blur(10px) saturate(1.22);
}
.event-label::before { background: transparent; }
.event-label:hover,
.event-label.is-selected,
.period-label:hover,
.period-label.is-selected {
  filter: saturate(1.06) brightness(1.04);
  box-shadow: var(--ui-shadow-clean-hover), 0 0 0 1px color-mix(in srgb, var(--event-color-light) 42%, transparent), var(--ui-inset);
}
.event-label-text,
.period-label {
  color: #fff;
  -webkit-text-fill-color: #fff;
}

/* Country/category chips use their category color and the same direction. */
.filter-chip {
  --chip-color: #64748b;
  --chip-color-deep: color-mix(in srgb, var(--chip-color) 78%, #08111f);
  --chip-color-light: color-mix(in srgb, var(--chip-color) 58%, white);
  border-radius: var(--ui-radius);
  background:
    linear-gradient(90deg, rgba(0,0,0,.22), transparent 55%, rgba(255,255,255,.15)),
    linear-gradient(90deg, var(--chip-color-deep) 0%, var(--chip-color) 58%, var(--chip-color-light) 100%);
  border-color: color-mix(in srgb, var(--chip-color-light) 55%, white);
  box-shadow: var(--ui-shadow-clean), var(--ui-inset);
  text-shadow: 0 1px 2px rgba(0,0,0,.48);
}
.filter-chip:hover {
  background:
    linear-gradient(90deg, rgba(0,0,0,.18), transparent 55%, rgba(255,255,255,.18)),
    linear-gradient(90deg, var(--chip-color-deep) 0%, var(--chip-color) 58%, var(--chip-color-light) 100%);
  box-shadow: var(--ui-shadow-clean-hover), var(--ui-inset);
}
.filter-chip .swatch { background: rgba(255,255,255,.92) !important; box-shadow: 0 0 0 1px rgba(0,0,0,.28); }
.filter-chip input { accent-color: #fff; }

/* Neutral glass controls retain uniform horizontal lighting. */

button:hover,
.zoom-rail button:hover {
  box-shadow: var(--ui-shadow-clean-hover), var(--ui-inset);
}

/* Clean glass cards and popups: no broad aurora spill. */
.tooltip,
.detail-panel {
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--surface-solid) 90%, #111827 10%) 0%, color-mix(in srgb, var(--surface-solid) 78%, white 8%) 100%);
  border: 1px solid rgba(255,255,255,.18);
  box-shadow: 0 10px 24px rgba(0,0,0,.24), 0 2px 6px rgba(0,0,0,.16), var(--ui-inset);
  backdrop-filter: blur(20px) saturate(1.24);
  -webkit-backdrop-filter: blur(20px) saturate(1.24);
}
.tooltip::before,
.detail-panel::before { background: linear-gradient(90deg, rgba(0,0,0,.10), transparent 60%, rgba(255,255,255,.08)); }
.tooltip strong,
.tooltip .body,
.tooltip .date,
.detail-panel h2,
.detail-panel .detail-body,
.detail-panel .detail-date,
.detail-panel .detail-meta {
  color: #fff;
  -webkit-text-fill-color: #fff;
}

/* Minimap viewport/window stays optically clear and transparent. */
.overview-window {
  background: rgba(255,255,255,.025);
  border: 2px solid rgba(255,255,255,.98);
  box-shadow: 0 0 0 1px rgba(0,0,0,.58), 0 2px 5px rgba(0,0,0,.20), inset 0 0 0 1px rgba(255,255,255,.14);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

/* v1.19: permanent lane legends and live year cursor */
.lane-caption {
  display:flex;
  align-items:center;
  gap:7px;
  max-width:calc(100% - 92px);
  color:#fff;
  background:rgba(31,35,43,.86);
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 3px 10px rgba(0,0,0,.18);
  backdrop-filter:blur(10px) saturate(1.15);
  -webkit-backdrop-filter:blur(10px) saturate(1.15);
  text-transform:none;
  letter-spacing:0;
  white-space:nowrap;
  overflow:hidden;
}
.lane-caption-top { top:12px; }
.lane-caption-bottom { top:auto; bottom:14px; flex-wrap:wrap; }
.lane-caption small { color:rgba(255,255,255,.72); font-size:10px; }
.lane-legend-title { font-weight:700; margin-right:2px; }
.lane-legend-item { display:inline-flex; align-items:center; gap:4px; }
.lane-legend-dot {
  width:9px;
  height:9px;
  flex:0 0 9px;
  border-radius:50%;
  background:var(--legend-color,#64748b);
  border:1px solid rgba(255,255,255,.7);
  box-shadow:0 0 0 1px rgba(0,0,0,.18);
}




/* Chrona v1.20 — theme-aware typography and connector clarity */
:root {
  --control-text: #343a43;
  --control-placeholder: #59616c;
}
:root[data-theme="dark"] {
  --control-text: #ffffff;
  --control-placeholder: rgba(255,255,255,.92);
}

/* Neutral controls follow the active theme; colored gradient blocks stay white. */


.event-label,
.period-label,
.filter-chip,
.event-label-text {
  color: #fff;
  -webkit-text-fill-color: #fff;
}

/* Center complete era names; left-align clipped names so their beginning remains visible. */
.period-label.is-truncated {
  justify-content: flex-start;
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}

/* Chrona v1.21 — compact header, clean blocks, simplified cursor */
.app-header {
  flex: 0 0 auto;
  gap: 14px;
  padding: 10px 16px;
}
.brand-block {
  flex: 0 0 auto;
  min-width: 190px;
}
.app-header h1 { font-size: 31px; }
.brand-block .subtitle { margin-top: 3px; font-size: 13px; }
.app-header p { margin-top: 3px; font-size: 12px; }
.header-actions {
  flex: 1 1 auto;
  justify-content: flex-end;
  min-width: 0;
  gap: 8px;
}
.header-field {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  color: var(--text-muted);
  font-size: 12px;
  white-space: nowrap;
}
.header-field input {
  min-width: 0;
  height: 32px;
  min-height: 32px;
  padding: 6px 9px;
}
.header-actions .sheet-url input {
  width: clamp(220px, 30vw, 480px);
}

.header-actions > button { min-height: 32px; padding: 5px 10px; }
.header-actions .theme-control { flex: 0 0 auto; }

.toolbar {
  flex: 0 0 auto;
  flex-wrap: nowrap;
  gap: 10px;
  padding: 7px 16px;
  overflow-x: auto;
  scrollbar-width: thin;
}
.primary-set { flex: 0 0 auto; }
.primary-set select { min-width: 138px; min-height: 32px; padding: 5px 8px; }
.category-filters {
  display: flex;
  flex: 1 1 auto;
  flex-wrap: nowrap;
  justify-content: space-between;
  gap: 7px;
  min-width: max-content;
}
.filter-chip {
  flex: 1 1 0;
  justify-content: center;
  min-width: 92px;
  padding: 5px 10px;
}

/* Colored blocks use their own fill as the edge; no white frame. */
.event-label,
.period-label,
.filter-chip {
  border-color: transparent !important;
}
.event-label:hover,
.event-label.is-selected,
.period-label:hover,
.period-label.is-selected {
  box-shadow: var(--ui-shadow-clean-hover), var(--ui-inset);
}

/* Reference checkboxes are the legend; retain only the primary-lane caption. */
.lane-caption-bottom { display: none !important; }

/* Hairline year cursor with plain tick-style text, no glow or badge. */




@media (max-width: 1050px) {
  .header-field > span { display: none; }
  .header-actions .sheet-url input { width: clamp(190px, 29vw, 360px); }
  
}
@media (max-width: 760px) {
  .app-header { align-items: flex-start; flex-wrap: wrap; }
  .brand-block { min-width: 150px; }
  .header-actions { width: 100%; overflow-x: auto; justify-content: flex-start; }
  .header-actions .sheet-url input { width: 250px; }
  
}

/* Chrona v1.22 — compact search, bold field labels, protected era stack */
.primary-set > span,
.sheet-url > span {
  font-weight: 700;
  color: var(--text);
  -webkit-text-fill-color: var(--text);
}


.search-toggle {
  width: 34px;
  min-width: 34px;
  height: 28px;
  min-height: 28px;
  padding: 5px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  box-shadow: none;
  color: var(--text);
  -webkit-text-fill-color: var(--text);
}
.search-toggle:hover { transform: none; background: var(--surface-hover); box-shadow: none; }
.search-toggle svg {
  display: block;
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
}





/* Era labels are clipped by their own rounded path only; no square underlay. */
.period-label {
  background-clip: padding-box;
  overflow: hidden;
  clip-path: inset(0 round var(--ui-radius));
}

@media (max-width: 1050px) {
  .header-field > span { display: inline; }
  
}


/* Chrona v1.23 — compact icon drawers, plain form fields, clean cursor */
.lane-caption { display: none !important; }

/* Search and Sheet URL are separate icon-triggered drawers. */

.header-icon-toggle,
.search-toggle {
  width: 34px;
  min-width: 34px;
  height: 28px;
  min-height: 28px;
  padding: 5px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  box-shadow: none;
  color: var(--text);
  -webkit-text-fill-color: var(--text);
}
.header-icon-toggle:hover,
.search-toggle:hover { transform: none; background: var(--surface-hover); box-shadow: none; }
.header-icon-toggle svg,
.search-toggle svg {
  display: block;
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: miter;
}

.sheet-control.is-open .sheet-url { width: clamp(230px, 31vw, 470px); opacity: 1; pointer-events: auto; }

.sheet-control #reloadData {
  width: 0;
  min-width: 0;
  padding-left: 0;
  padding-right: 0;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
  border-width: 0;
  transition: width 180ms ease, min-width 180ms ease, padding 180ms ease, opacity 130ms ease;
}
.sheet-control.is-open #reloadData {
  width: auto;
  min-width: 68px;
  padding-left: 11px;
  padding-right: 11px;
  opacity: 1;
  pointer-events: auto;
  border-width: 1px;
}

/* Form controls stay plain white rather than adopting gradients. */




/* High-contrast cursor: a dark contrast stroke under a crisp yellow core. */




@media (max-width: 1050px) {
  .sheet-control.is-open .sheet-url { width: 250px; }
  
}


/* Chrona v1.24 — axis-anchored eras, transparent corners, connected leaders */

/* Period labels are only transparent text overlays; the canvas owns the rounded fill. */
.period-label {
  background: transparent !important;
  background-image: none !important;
  border: 0 !important;
  box-shadow: none !important;
  clip-path: none !important;
  border-radius: var(--ui-radius) !important;
}

/* Extend each event's own leader visibly into the rounded block edge. */
.event-label:not(.period-label)::before {
  content: "";
  position: absolute;
  left: 1px;
  width: 1px;
  background: color-mix(in srgb, var(--event-color) 86%, white 14%);
  pointer-events: none;
  z-index: 3;
}
.event-label-above:not(.period-label)::before {
  bottom: -1px;
  height: 9px;
}
.event-label-below:not(.period-label)::before {
  top: -1px;
  height: 9px;
}

/* The live year cursor never paints over the zoom-control footprint. */
.zoom-rail { pointer-events: auto; }


/* Chrona v1.25 — crisp cursor, stronger connectors, moving long eras */

/* Category chip color already identifies the lane; no redundant color square. */
.filter-chip .swatch { display: none !important; }

/* A single crisp 2px yellow cursor with no dark underlay. */



/* Long era labels use their true timeline geometry rather than sticking to viewport edges. */
.period-label {
  position: absolute !important;
  inset: auto !important;
}


/* Chrona v1.26 — leaders visibly meet their owning event blocks */
.event-label:not(.period-label)::before {
  left: 0 !important;
  width: 2px !important;
  height: 14px !important;
  background: var(--event-color) !important;
  z-index: 8 !important;
  opacity: 1 !important;
}
.event-label-above:not(.period-label)::before {
  top: auto !important;
  bottom: 0 !important;
}
.event-label-below:not(.period-label)::before {
  top: 0 !important;
  bottom: auto !important;
}

/* Chrona v1.27 — unified rendering order and readable inspector */
/* The yellow ruler line is now painted into the canvas below every timeline object. */



/* Era labels always use high-contrast white type. */
.period-label,
.period-label .event-label-text {
  color: #fff !important;
  -webkit-text-fill-color: #fff !important;
  text-shadow: none !important;
}

/* Connector stubs use the exact event color in every theme. */
.event-label:not(.period-label)::before {
  background: var(--event-color) !important;
}

/* Reading inspector: light paper surface and dark text in both themes. */
.detail-panel {
  background: #fafafa !important;
  color: #1f2328 !important;
  border-left: 1px solid rgba(17,24,39,.12) !important;
  box-shadow: -10px 0 28px rgba(15,23,42,.14) !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}
.detail-panel::before { display: none !important; }
.detail-panel h2,
.detail-panel .detail-body,
.detail-panel .detail-date,
.detail-panel .detail-meta,
.detail-panel .detail-media-url {
  color: #1f2328 !important;
  -webkit-text-fill-color: #1f2328 !important;
  text-shadow: none !important;
}
.detail-panel .detail-date,
.detail-panel .detail-meta,
.detail-panel .detail-media-url { color: #5f6670 !important; -webkit-text-fill-color: #5f6670 !important; }
.detail-panel a { color: #1d4ed8 !important; }
.detail-close {
  color: #1f2328 !important;
  background: rgba(255,255,255,.92) !important;
  border: 1px solid rgba(17,24,39,.10) !important;
}

/* Chrona v1.28 — Apple-style legibility and corrected timeline layering */

/* Cursor year follows the active appearance. The ruler itself stays yellow. */



/* Period text overlays are constrained to the visible bar segment. */
.period-label {
  justify-content: flex-start !important;
  text-align: left !important;
  color: #fff !important;
  -webkit-text-fill-color: #fff !important;
  overflow: hidden !important;
  isolation: isolate;
  z-index: 4 !important;
}

/* The canvas leader reaches the exact block edge; this short inset continues it
   inside its owner so rounded corners never create a visual break. */
.event-label:not(.period-label)::before {
  left: 0 !important;
  width: 2px !important;
  height: 9px !important;
  background: var(--event-color) !important;
  z-index: 10 !important;
  pointer-events: none !important;
}
.event-label-above:not(.period-label)::before {
  top: auto !important;
  bottom: 0 !important;
}
.event-label-below:not(.period-label)::before {
  top: 0 !important;
  bottom: auto !important;
}

/* Apple-style inspector and tooltip: quiet white reading surfaces, dark type. */
.tooltip,
.detail-panel {
  background: rgba(255,255,255,.98) !important;
  color: #1d1d1f !important;
  border-color: rgba(0,0,0,.12) !important;
  backdrop-filter: blur(18px) saturate(1.08) !important;
  -webkit-backdrop-filter: blur(18px) saturate(1.08) !important;
}
.tooltip {
  border-radius: 12px !important;
  box-shadow: 0 12px 32px rgba(0,0,0,.16), 0 2px 8px rgba(0,0,0,.08) !important;
}
.tooltip::before,
.detail-panel::before { display: none !important; }
.tooltip strong,
.tooltip .body,
.tooltip .date,
.tooltip .media-caption,
.tooltip .media-credit,
.tooltip .media-url {
  color: #1d1d1f !important;
  -webkit-text-fill-color: #1d1d1f !important;
  text-shadow: none !important;
}
.tooltip .date,
.tooltip .media-caption,
.tooltip .media-credit,
.tooltip .media-url { color: #6e6e73 !important; -webkit-text-fill-color: #6e6e73 !important; }
.tooltip a,
.detail-panel a { color: #0066cc !important; }

/* Give the vertical zoom controls their own subtle material so timeline content
   remains visible but never competes with the controls. */
.zoom-rail {
  padding: 8px 7px 9px !important;
  border: 1px solid rgba(0,0,0,.10) !important;
  border-radius: 13px !important;
  background: rgba(246,246,248,.84) !important;
  box-shadow: 0 8px 24px rgba(0,0,0,.12), 0 1px 3px rgba(0,0,0,.06) !important;
  backdrop-filter: blur(16px) saturate(1.08) !important;
  -webkit-backdrop-filter: blur(16px) saturate(1.08) !important;
}
:root[data-theme="dark"] .zoom-rail {
  border-color: rgba(255,255,255,.12) !important;
  background: rgba(52,54,58,.82) !important;
  box-shadow: 0 8px 24px rgba(0,0,0,.28), 0 1px 3px rgba(0,0,0,.22) !important;
}
.zoom-range-wrap {
  color: #555b63 !important;
  text-shadow: 0 1px 0 rgba(255,255,255,.55);
}
:root[data-theme="dark"] .zoom-range-wrap {
  color: #f5f5f7 !important;
  text-shadow: 0 1px 1px rgba(0,0,0,.6);
}
.zoom-rail input[type="range"] {
  accent-color: #555b63 !important;
}
:root[data-theme="dark"] .zoom-rail input[type="range"] {
  accent-color: #8e8e93 !important;
}

/* Chrona v1.30 — viewport-aware labels and stable edge rendering */

/* Era names are sticky within the visible slice of their own bar. They center
   when the slice is roomy and preserve the beginning when it is narrow. */
.period-label {
  justify-content: center !important;
  text-align: center !important;
  color: #fff !important;
  -webkit-text-fill-color: #fff !important;
  overflow: hidden !important;
  z-index: 5 !important;
}
.period-label.is-truncated {
  justify-content: flex-start !important;
  text-align: left !important;
}
.period-label-text {
  display: block !important;
  min-width: 0 !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
  white-space: nowrap !important;
  color: #fff !important;
  -webkit-text-fill-color: #fff !important;
}

/* The year is plain type offset from the ruler. Its box is fully transparent,
   so it can never erase a section of the yellow canvas line. */



/* Chrona v1.31 — bounded navigation and offset duration spans */
/* Canvas connectors now enter their owning blocks directly. Remove the older
   pseudo-element extension so every event has one connector, not two. */
.event-label:not(.period-label)::before {
  content: none !important;
  display: none !important;
}

/* Chrona v1.32 — era text shares the canvas coordinate system with its bar.
   Period DOM labels are no longer created; this fallback keeps any stale nodes hidden. */
.period-label { display: none !important; }

/* Chrona v1.37 — click-positioned floating event details */
.detail-panel {
  position: absolute !important;
  right: auto !important;
  bottom: auto !important;
  width: min(380px, calc(100% - 24px)) !important;
  max-height: min(560px, calc(100% - 24px)) !important;
  overflow: auto !important;
  padding: 18px !important;
  border: 1px solid rgba(17,24,39,.14) !important;
  border-radius: 14px !important;
  box-shadow:
    0 22px 58px rgba(15,23,42,.22),
    0 4px 14px rgba(15,23,42,.12) !important;
  transform-origin: top left;
  animation: detail-card-in 140ms ease-out;
}

.detail-close {
  position: sticky !important;
  top: 0 !important;
  border-radius: 8px !important;
}

@keyframes detail-card-in {
  from {
    opacity: 0;
    transform: translateY(3px) scale(.985);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 760px) {
  .detail-panel {
    width: min(360px, calc(100% - 20px)) !important;
    max-height: min(500px, calc(100% - 20px)) !important;
  }
}


/* Chrona viewport polish batch 1 */

:root {
  --tick-major: #4f5964;
  --viewport-edge-fade: rgba(255, 255, 255, .96);
}

:root[data-theme="dark"] {
  --tick-major: #c1c7ce;
  --viewport-edge-fade: rgba(28, 31, 35, .96);
}

/*
 * Subtle edge fades indicate that the timeline continues horizontally.
 * This layer sits below the zoom controls and floating details.
 */
.timeline-viewport::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  background:
    linear-gradient(
      90deg,
      var(--viewport-edge-fade) 0,
      color-mix(in srgb, var(--viewport-edge-fade) 72%, transparent) 12px,
      transparent 38px,
      transparent calc(100% - 38px),
      color-mix(in srgb, var(--viewport-edge-fade) 72%, transparent) calc(100% - 12px),
      var(--viewport-edge-fade) 100%
    );
}

/*
 * Keep the grain layer below the edge fade, labels, controls, and details.
 */
.timeline-viewport::after {
  z-index: 3;
}

/*
 * Make the overview's visible window easier to identify without turning it
 * into a heavy control.
 */
.overview-window {
  border: 2px solid color-mix(in srgb, var(--text) 82%, transparent);
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, #4f8cff 18%, transparent),
      color-mix(in srgb, #4f8cff 9%, transparent)
    );
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--surface-solid) 78%, transparent) inset,
    0 2px 8px rgba(15, 23, 42, .14);
}

.overview-window:hover {
  border-color: var(--text);
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, #4f8cff 25%, transparent),
      color-mix(in srgb, #4f8cff 13%, transparent)
    );
}

.overview-handle::after {
  width: 5px;
  opacity: .86;
}

.overview-window:hover .overview-handle::after,
.overview-handle:hover::after {
  width: 7px;
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .overview-window,
  .overview-handle::after {
    transition: none;
  }
}


/* Chrona event interaction polish */

.event-label.is-selected,
.period-label.is-selected {
  filter: saturate(1.12) brightness(1.07);
  box-shadow:
    0 0 0 2px color-mix(in srgb, var(--event-color) 72%, white),
    0 8px 22px color-mix(in srgb, var(--event-color) 34%, transparent),
    var(--ui-inset);
}

.detail-panel.is-opening {
  animation: chrona-detail-in 140ms cubic-bezier(.2, .75, .3, 1);
  transform-origin: var(--detail-transform-origin, center);
}

@keyframes chrona-detail-in {
  from {
    opacity: 0;
    transform: translateY(3px) scale(.97);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .detail-panel.is-opening {
    animation: none;
  }
}


/* Chrona search navigation polish */











.event-label.is-search-dim {
  opacity: .20;
  filter: saturate(.35);
}

.event-label.is-search-match {
  opacity: 1;
  filter: saturate(1.14) brightness(1.06);
  box-shadow:
    0 0 0 2px rgba(255,255,255,.92),
    0 0 0 4px color-mix(in srgb, var(--event-color) 76%, transparent),
    var(--ui-shadow-clean-hover),
    var(--ui-inset);
}


/* Chrona hover-only record emphasis */

/*
 * Point events and era blocks are the same interaction class.
 * Hover is temporary; there is no persistent selected appearance.
 */
.event-label:hover,
.period-label:hover {
  opacity: 1;
  filter: saturate(1.14) brightness(1.08);
  box-shadow:
    0 0 0 2px rgba(255,255,255,.96),
    0 0 0 4px color-mix(
      in srgb,
      var(--event-color, #64748b) 78%,
      transparent
    ),
    0 9px 24px color-mix(
      in srgb,
      var(--event-color, #64748b) 36%,
      transparent
    ),
    var(--ui-inset);
  z-index: 20;
}

/*
 * Do not show the old persistent selected styling while the detail
 * panel is disconnected. Search-match styling remains independent.
 */
.event-label.is-selected,
.period-label.is-selected {
  filter: none;
  box-shadow: var(--ui-shadow-clean), var(--ui-inset);
}

/* Chrona theme selector — Gradient and Flat visual systems */
.settings-toggle {
  width: 38px;
  min-width: 38px;
  height: 38px;
  min-height: 38px;
  padding: 8px;
  display: grid;
  place-items: center;
}
.settings-toggle svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.65;
  stroke-linecap: round;
  stroke-linejoin: miter;
}
.settings-toggle.is-active { background: var(--surface-hover); border-color: var(--border-strong); }
.settings-backdrop {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(8, 12, 18, .22);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}
.settings-panel {
  position: fixed;
  color: var(--text);
  -webkit-text-fill-color: var(--text);
  z-index: 81;
  top: 76px;
  right: 20px;
  width: min(390px, calc(100vw - 28px));
  max-height: calc(100vh - 96px);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 18px;
  border: 1px solid var(--border-strong);
  border-radius: 16px;
  background: color-mix(in srgb, var(--surface-solid) 94%, transparent);
  box-shadow: var(--shadow-float);
  backdrop-filter: blur(24px) saturate(1.2);
  -webkit-backdrop-filter: blur(24px) saturate(1.2);
}
.settings-panel[hidden], .settings-backdrop[hidden] { display: none !important; }
.settings-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.settings-heading h2 { margin: 0; color: var(--text); -webkit-text-fill-color: var(--text); font-size: 22px; letter-spacing: -.025em; }
.settings-heading p { margin: 4px 0 0; color: var(--text-muted); -webkit-text-fill-color: var(--text-muted); font-size: 13px; }
.settings-close { width: 32px; min-width: 32px; height: 32px; min-height: 32px; padding: 0; font-size: 22px; line-height: 1; }
.settings-section { margin-top: 20px; }
.settings-section h3 { margin: 0 0 9px; color: var(--text-muted); -webkit-text-fill-color: var(--text-muted); font-size: 12px; font-weight: 700; letter-spacing: .055em; text-transform: uppercase; }
.style-options { display: grid; gap: 8px; }
.style-option {
  width: 100%;
  color: var(--text);
  -webkit-text-fill-color: var(--text);
  min-height: 72px;
  padding: 10px;
  display: grid;
  grid-template-columns: 92px 1fr 22px;
  align-items: center;
  gap: 12px;
  text-align: left;
  background: var(--surface-soft);
  border: 1px solid var(--border);
  box-shadow: none;
}
.style-option:hover { transform: none; }
.style-option.is-active { border-color: color-mix(in srgb, #0a84ff 66%, var(--border)); box-shadow: 0 0 0 3px var(--focus); background: var(--surface-solid); }
.style-option > span:nth-child(2) { display: grid; gap: 3px; }
.style-option strong { color: var(--text); -webkit-text-fill-color: var(--text); font-size: 14px; }
.style-option small { color: var(--text-muted); -webkit-text-fill-color: var(--text-muted); font-size: 12px; line-height: 1.3; }
.style-option b { opacity: 0; color: #0a84ff; -webkit-text-fill-color: #0a84ff; font-size: 16px; }
.style-option.is-active b { opacity: 1; }
.style-preview { position: relative; display: block; width: 92px; height: 50px; overflow: hidden; border-radius: 8px; background: color-mix(in srgb, var(--surface-solid) 80%, var(--bg)); border: 1px solid var(--border); }
.style-preview i { position: absolute; display: block; height: 10px; border-radius: 3px; }
.style-preview i:nth-child(1) { left: 8px; top: 8px; width: 52px; --preview-color: #4786d8; }
.style-preview i:nth-child(2) { right: 7px; top: 21px; width: 57px; --preview-color: #d26f45; }
.style-preview i:nth-child(3) { left: 18px; bottom: 6px; width: 61px; --preview-color: #5c9a67; }
.style-preview-gradient i { background: linear-gradient(90deg, color-mix(in srgb, var(--preview-color) 78%, #08111f), var(--preview-color), color-mix(in srgb, var(--preview-color) 58%, white)); box-shadow: 0 2px 4px color-mix(in srgb, var(--preview-color) 24%, transparent); }
.style-preview-flat i { background: color-mix(in srgb, var(--preview-color) 17%, var(--surface-solid)); border: 1px solid color-mix(in srgb, var(--preview-color) 76%, #08111f); }

.style-preview-metro i {
  height: 11px;
  border-radius: 0;
  background: transparent;
  border: 0;
  border-left: 2px solid var(--preview-color);
  color: var(--preview-color);
}
.style-preview-metro i::after {
  content: "";
  position: absolute;
  left: 5px;
  right: 3px;
  top: 2px;
  height: 2px;
  background: currentColor;
  box-shadow: 0 4px 0 color-mix(in srgb, currentColor 62%, transparent);
}
.settings-panel .theme-control { display: grid; grid-template-columns: repeat(3, 1fr); width: 100%; }
.settings-panel .theme-control button { display: inline-flex; align-items: center; justify-content: center; gap: 6px; color: var(--text); -webkit-text-fill-color: var(--text); }

/* Theme-specific event surface tokens sit on top of the shared Neutral Studio shell. */
:root[data-visual-theme="ai"] {
  --event-surface-shadow: 0 5px 16px rgba(8,14,28,.18);
}
:root[data-visual-theme="gradient"] {
  --event-surface-shadow: 0 7px 18px color-mix(in srgb, var(--event-color, #64748b) 24%, transparent);
}
:root[data-visual-theme="flat"] {
  --event-surface-shadow: 0 2px 7px rgba(30,40,60,.10);
}
:root[data-visual-theme="metro"] {
  --event-surface-shadow: none;
}

/* Flat theme: the original diagram-like Chrona look. */
:root[data-visual-theme="flat"] .event-label {
  border-radius: 0 !important;
  color: color-mix(in srgb, var(--event-color) 76%, #08111f) !important;
  -webkit-text-fill-color: currentColor !important;
  background: color-mix(in srgb, var(--event-color) 16%, var(--surface-solid)) !important;
  border: 1px solid color-mix(in srgb, var(--event-color) 74%, #08111f) !important;
  box-shadow: var(--event-surface-shadow) !important;
  text-shadow: none !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}
:root[data-theme="dark"][data-visual-theme="flat"] .event-label {
  color: color-mix(in srgb, var(--event-color) 72%, white) !important;
  background: color-mix(in srgb, var(--event-color) 17%, var(--surface-solid)) !important;
  border-color: color-mix(in srgb, var(--event-color) 70%, white) !important;
}
:root[data-visual-theme="flat"] .event-label::before { content: none !important; display: none !important; }
:root[data-visual-theme="flat"] .event-label-text {
  color: inherit !important;
  -webkit-text-fill-color: currentColor !important;
  filter: none !important;
}
:root[data-visual-theme="flat"] .event-label:hover,
:root[data-visual-theme="flat"] .event-label.is-search-match {
  filter: brightness(1.02) saturate(1.03) !important;
  box-shadow:
    0 0 0 2px color-mix(in srgb, var(--surface-solid) 92%, transparent),
    0 0 0 4px color-mix(in srgb, var(--event-color) 72%, transparent),
    0 4px 11px rgba(15, 23, 42, .13) !important;
}
:root[data-visual-theme="flat"] .event-thumbnail { border: 1px solid color-mix(in srgb, var(--event-color) 42%, var(--border)); background: var(--surface-solid); }

/* Metro theme: no block fill, one continuous category-colored vertical rule. */
:root[data-visual-theme="metro"] .event-label {
  border-radius: 0 !important;
  color: color-mix(in srgb, var(--event-color) 76%, #08111f) !important;
  -webkit-text-fill-color: color-mix(in srgb, var(--event-color) 76%, #08111f) !important;
  background: transparent !important;
  border: 0 !important;
  border-left: 2px solid var(--event-color) !important;
  box-shadow: none !important;
  text-shadow: none !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  overflow: visible;
}
:root[data-visual-theme="metro"] .event-label::before {
  content: none !important;
  display: none !important;
}
:root[data-visual-theme="metro"] .event-label-text {
  color: inherit !important;
  -webkit-text-fill-color: currentColor !important;
  filter: none !important;
}
:root[data-visual-theme="metro"] .event-label:hover,
:root[data-visual-theme="metro"] .event-label.is-search-match {
  filter: brightness(.92) saturate(1.12) !important;
  box-shadow: none !important;
}
:root[data-theme="dark"][data-visual-theme="metro"] .event-label {
  color: color-mix(in srgb, var(--event-color) 78%, white) !important;
  -webkit-text-fill-color: color-mix(in srgb, var(--event-color) 78%, white) !important;
  border-left-color: color-mix(in srgb, var(--event-color) 78%, white) !important;
}
:root[data-visual-theme="metro"] .event-thumbnail {
  border: 0;
  border-radius: 0;
  background: transparent;
}

@media (max-width: 700px) {
  .settings-panel { top: 62px; right: 10px; }
  .style-option { grid-template-columns: 78px 1fr 18px; }
  .style-preview { width: 78px; }
}

/* Chrona theme geometry fix — square Flat blocks and continuous leaders. */
:root[data-visual-theme="flat"] .event-label {
  border-radius: 0 !important;
  clip-path: none !important;
  background-image: none !important;
}

/* Draw the owning edge above the block surface so the canvas leader visually
   reaches the block without being hidden by the DOM label. */
:root[data-visual-theme="flat"] .event-label::after,
:root[data-visual-theme="metro"] .event-label::after {
  content: "";
  position: absolute;
  z-index: 3;
  left: -1px;
  top: 0;
  bottom: 0;
  width: 2px;
  pointer-events: none;
  background: var(--event-color);
}

:root[data-visual-theme="flat"] .event-label-above::after,
:root[data-visual-theme="metro"] .event-label-above::after {
  bottom: -4px;
}

:root[data-visual-theme="flat"] .event-label-below::after,
:root[data-visual-theme="metro"] .event-label-below::after {
  top: -4px;
}

:root[data-visual-theme="metro"] .event-label {
  border-left-width: 4px !important;
  clip-path: none !important;
  background-image: none !important;
}

:root[data-visual-theme="metro"] .event-label::after {
  left: -4px;
  width: 4px;
}

:root[data-theme="dark"][data-visual-theme="metro"] .event-label::after {
  background: color-mix(in srgb, var(--event-color) 78%, white);
}

/* Metro refinement — transparent labels with a text-height accent rule. */
:root[data-visual-theme="metro"] .event-label {
  background: transparent !important;
  background-image: none !important;
  border: 0 !important;
  border-left: 0 !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  overflow: visible !important;
}

/* The canvas connector remains visible through the transparent label. Only
   the short rule beside the title is drawn by the DOM label itself. */
:root[data-visual-theme="metro"] .event-label::after {
  content: "" !important;
  position: absolute !important;
  z-index: 3 !important;
  left: 0 !important;
  top: 5px !important;
  bottom: auto !important;
  width: 4px !important;
  height: 1.3em !important;
  background: var(--event-color) !important;
  pointer-events: none !important;
}

:root[data-theme="dark"][data-visual-theme="metro"] .event-label::after {
  background: color-mix(in srgb, var(--event-color) 78%, white) !important;
}

:root[data-visual-theme="metro"] .event-label-text {
  background: transparent !important;
}

/* Metro continuity refinement — full leader plus a short title accent. */
:root[data-visual-theme="metro"] .event-label {
  /* The label remains visually transparent so neighboring leaders show through. */
  background: transparent !important;
  background-color: transparent !important;
  background-image: none !important;
  border: 0 !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  padding-left: 6px !important;
  isolation: auto !important;
}

/* Continue the thin timeline leader through the entire label height to its
   top-left corner. This sits above the transparent label and cannot be hidden. */
:root[data-visual-theme="metro"] .event-label::before {
  content: "" !important;
  display: block !important;
  position: absolute !important;
  z-index: 2 !important;
  left: 0 !important;
  top: 0 !important;
  bottom: 0 !important;
  width: 2px !important;
  background: var(--event-color) !important;
  pointer-events: none !important;
}

/* Keep the prominent accent only beside the text rather than across the full
   block height. It overlays the thin continuous leader. */
:root[data-visual-theme="metro"] .event-label::after {
  content: "" !important;
  display: block !important;
  position: absolute !important;
  z-index: 3 !important;
  left: 0 !important;
  top: 5px !important;
  bottom: auto !important;
  width: 4px !important;
  height: 1.3em !important;
  background: var(--event-color) !important;
  pointer-events: none !important;
}

:root[data-theme="dark"][data-visual-theme="metro"] .event-label::before,
:root[data-theme="dark"][data-visual-theme="metro"] .event-label::after {
  background: color-mix(in srgb, var(--event-color) 78%, white) !important;
}


/* Metro final connector geometry: one short 4 px accent, with the canvas
   leader meeting its near edge exactly. */
:root[data-visual-theme="metro"] .event-label {
  padding-left: 7px !important;
  background: transparent !important;
  background-color: transparent !important;
  background-image: none !important;
  border: 0 !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  overflow: visible !important;
}

/* Remove the earlier full-height DOM leader; the canvas owns the connector. */
:root[data-visual-theme="metro"] .event-label::before {
  content: none !important;
  display: none !important;
}

:root[data-visual-theme="metro"] .event-label::after {
  content: "" !important;
  display: block !important;
  position: absolute !important;
  z-index: 3 !important;
  left: 0 !important;
  top: 5px !important;
  width: 4px !important;
  height: 17px !important;
  background: var(--event-color) !important;
  pointer-events: none !important;
}

:root[data-theme="dark"][data-visual-theme="metro"] .event-label::after {
  background: color-mix(in srgb, var(--event-color) 78%, white) !important;
}


/* Chrona balloon-string connector fix — global across Gradient, Flat, Metro.
   The owning connector is rendered on the DOM label's left edge so it cannot
   be hidden by the label surface or separated by antialiasing/padding gaps. */
.event-label:not(.period-label)::before {
  content: "" !important;
  display: block !important;
  position: absolute !important;
  z-index: 8 !important;
  width: 2px !important;
  background: var(--event-color) !important;
  pointer-events: none !important;
  border: 0 !important;
  border-radius: 0 !important;
  box-shadow: none !important;
}

/* Above-axis labels: overlap the complete left edge, then continue down to
   the event dot. */
.event-label-above:not(.period-label)::before {
  left: 0 !important;
  top: 0 !important;
  bottom: auto !important;
  height: var(--leader-distance, 0px) !important;
}

/* Below-axis labels: begin at the event dot, continue to the block, and
   overlap the complete left edge. */
.event-label-below:not(.period-label)::before {
  left: 0 !important;
  top: calc(-1 * var(--leader-distance, 0px)) !important;
  bottom: auto !important;
  height: calc(var(--leader-distance, 0px) + 100%) !important;
}

/* Metro's 4 px title accent is centered on the same connector axis. */
:root[data-visual-theme="metro"] .event-label:not(.period-label)::before {
  left: 1px !important;
}

:root[data-theme="dark"] .event-label:not(.period-label)::before {
  background: var(--event-color) !important;
}


/* Dedicated leader overlay: all event connectors stay continuous above labels. */
#timelineCanvas,
.label-layer,
.leader-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.label-layer { z-index: 2; }
.leader-canvas {
  z-index: 3;
  pointer-events: none;
}

/* Connector geometry is owned exclusively by leaderCanvas. Disable older
   label pseudo-elements that attempted to extend the leader and caused
   theme-dependent offsets and sibling-overlap gaps. */
.event-label:not(.period-label)::before {
  content: none !important;
  display: none !important;
}

/* The label begins exactly at the connector x coordinate. Borders extend
   inward, so the connector sits on the absolute left-most edge, not in the
   middle of the border thickness. */
:root[data-visual-theme="flat"] .event-label {
  border-radius: 0 !important;
}

/* Metro keeps only its short 4 px accent. It starts at the same absolute
   left edge as the 2 px connector and extends inward to the right. */
:root[data-visual-theme="metro"] .event-label::after {
  left: 0 !important;
}


/* Chrona connector occlusion + attachment correction.
   Opaque labels mask rear connectors; Metro remains transparent. */
.label-layer { z-index: 2; }
.leader-canvas { z-index: 1; }
:root[data-visual-theme="metro"] .leader-canvas { z-index: 3; }

/* Keep Metro's short accent fully wrapped around the 2 px connector axis. */
:root[data-visual-theme="metro"] .event-label::after {
  left: 0 !important;
  top: 5px !important;
  width: 4px !important;
  height: 17px !important;
}

/* Browser-local default Google Sheet settings */
.default-sheet-settings { display: grid; gap: 8px; }
.default-sheet-settings > label { color: var(--text); font-size: 13px; font-weight: 650; }
.default-sheet-settings input[type="url"] {
  width: 100%;
  min-width: 0;
  height: 38px;
  padding: 0 11px;
  border: 1px solid var(--border-strong);
  border-radius: 9px;
  background: var(--surface-solid);
  color: var(--text);
}
.default-sheet-settings input[type="url"]::placeholder { color: var(--text-soft); }
.default-sheet-settings p { margin: 0; color: var(--text-muted); font-size: 12px; line-height: 1.4; }
.default-sheet-actions { display: grid; grid-template-columns: 1.2fr 1fr auto; gap: 7px; margin-top: 2px; }
.default-sheet-actions button { min-width: 0; padding-inline: 10px; font-size: 12px; }
.default-sheet-status { min-height: 17px; color: var(--text-muted); font-size: 12px; line-height: 1.35; }
@media (max-width: 520px) {
  .default-sheet-actions { grid-template-columns: 1fr 1fr; }
  .default-sheet-actions #clearDefaultSheetUrl { grid-column: 1 / -1; }
}

/* Compact, scalable timeline-set selector. */
.toolbar {
  position: relative;
  overflow: visible;
  gap: 12px;
}

.visible-sets-control {
  position: relative;
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
  flex: 1 1 auto;
}

.visible-sets-label {
  flex: 0 0 auto;
  color: var(--text-muted);
  font-size: 13px;
  white-space: nowrap;
}

.category-quick-filters {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.category-quick-chip,
.category-menu-button {
  min-height: 30px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface-solid) 88%, transparent);
  color: var(--text);
  box-shadow: none;
  font-size: 13px;
  font-weight: 560;
  white-space: nowrap;
}

.category-quick-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  max-width: 150px;
  padding: 4px 9px;
  opacity: .62;
}

.category-quick-chip.is-active {
  opacity: 1;
  background: color-mix(in srgb, var(--chip-color) 13%, var(--surface-solid));
  border-color: color-mix(in srgb, var(--chip-color) 40%, var(--border));
}

.category-quick-chip:hover,
.category-menu-button:hover {
  background: var(--surface-hover);
  border-color: var(--border-strong);
}


.category-quick-name {
  overflow: hidden;
  text-overflow: ellipsis;
}

.category-menu-button {
  flex: 0 0 auto;
  padding: 4px 10px;
}

.category-menu-button span {
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.category-menu {
  position: absolute;
  z-index: 1200;
  top: calc(100% + 8px);
  right: 0;
  width: min(340px, calc(100vw - 24px));
  max-height: min(460px, calc(100vh - 180px));
  padding: 12px;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface-solid) 97%, transparent);
  box-shadow: var(--shadow-high, 0 18px 48px rgba(0,0,0,.22));
  backdrop-filter: blur(18px) saturate(1.08);
  -webkit-backdrop-filter: blur(18px) saturate(1.08);
}

.category-menu[hidden] { display: none !important; }

.category-menu-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 9px;
}

.category-menu-header strong { font-size: 14px; }
.category-menu-header span { color: var(--text-muted); font-size: 12px; }

.category-search {
  width: 100%;
  min-height: 32px;
  padding: 6px 9px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-solid);
  color: var(--text);
}

.category-bulk-actions {
  display: flex;
  gap: 6px;
  margin: 8px 0;
}

.category-bulk-actions button {
  min-height: 28px;
  padding: 4px 9px;
  border-radius: 7px;
  box-shadow: none;
  font-size: 12px;
}

.category-menu .category-filters {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 3px;
  min-width: 0;
  max-height: 320px;
  overflow-y: auto;
  padding: 2px;
}

.category-menu .filter-chip {
  flex: 0 0 auto;
  justify-content: flex-start;
  min-width: 0;
  width: 100%;
  padding: 6px 8px;
  border-radius: 7px;
  background: transparent;
  color: var(--text);
  box-shadow: none;
}

.category-menu .filter-chip:hover { background: var(--surface-hover); }
.category-menu .filter-chip input { accent-color: var(--chip-color); }
.category-menu .filter-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

@media (max-width: 760px) {
  .toolbar { gap: 8px; padding-inline: 10px; }
  .primary-set > span,
  .visible-sets-label { display: none; }
  .primary-set select { min-width: 128px; max-width: 42vw; }
  .category-quick-filters { display: none; }
  .visible-sets-control { justify-content: flex-end; }
  .category-menu-button[hidden] { display: inline-flex !important; }
}


/* Theme-aware compact timeline-set pills. */
.category-quick-chip {
  --chip-color-deep: color-mix(in srgb, var(--chip-color) 78%, #08111f);
  --chip-color-light: color-mix(in srgb, var(--chip-color) 58%, white);
  gap: 0;
}

/* Gradient theme mirrors the event-label treatment. */
:root[data-visual-theme="gradient"] .category-quick-chip {
  border-radius: 9px;
  color: #fff;
  background:
    radial-gradient(130% 180% at 4% -40%, rgba(255,255,255,.50), transparent 46%),
    linear-gradient(90deg, var(--chip-color-deep) 0%, var(--chip-color) 58%, var(--chip-color-light) 100%);
  border-color: color-mix(in srgb, var(--chip-color-light) 68%, white);
  box-shadow:
    0 4px 10px color-mix(in srgb, var(--chip-color) 22%, transparent),
    inset 0 1px 0 rgba(255,255,255,.55),
    inset 0 -1px 0 rgba(0,0,0,.12);
  text-shadow: 0 1px 2px rgba(0,0,0,.30);
}
:root[data-visual-theme="gradient"] .category-quick-chip:not(.is-active) {
  opacity: .48;
  filter: saturate(.68);
}
:root[data-visual-theme="gradient"] .category-quick-chip.is-active {
  opacity: 1;
  background:
    radial-gradient(130% 180% at 4% -40%, rgba(255,255,255,.50), transparent 46%),
    linear-gradient(90deg, var(--chip-color-deep) 0%, var(--chip-color) 58%, var(--chip-color-light) 100%);
  border-color: color-mix(in srgb, var(--chip-color-light) 68%, white);
}
:root[data-visual-theme="gradient"] .category-quick-chip:hover {
  filter: brightness(1.05) saturate(1.05);
  background:
    radial-gradient(130% 180% at 4% -40%, rgba(255,255,255,.56), transparent 46%),
    linear-gradient(90deg, var(--chip-color-deep) 0%, var(--chip-color) 58%, var(--chip-color-light) 100%);
}

/* Flat theme mirrors the square, opaque event blocks. */
:root[data-visual-theme="flat"] .category-quick-chip {
  border-radius: 0;
  color: color-mix(in srgb, var(--chip-color) 76%, #08111f);
  background: color-mix(in srgb, var(--chip-color) 16%, var(--surface-solid));
  border-color: color-mix(in srgb, var(--chip-color) 74%, #08111f);
  box-shadow: 0 1px 2px rgba(15,23,42,.08);
  text-shadow: none;
}
:root[data-theme="dark"][data-visual-theme="flat"] .category-quick-chip {
  color: color-mix(in srgb, var(--chip-color) 72%, white);
  background: color-mix(in srgb, var(--chip-color) 17%, var(--surface-solid));
  border-color: color-mix(in srgb, var(--chip-color) 70%, white);
}
:root[data-visual-theme="flat"] .category-quick-chip:not(.is-active) { opacity: .46; }
:root[data-visual-theme="flat"] .category-quick-chip.is-active { opacity: 1; }
:root[data-visual-theme="flat"] .category-quick-chip:hover {
  background: color-mix(in srgb, var(--chip-color) 22%, var(--surface-solid));
}

/* Metro theme mirrors the transparent label with one category rule. */
:root[data-visual-theme="metro"] .category-quick-chip {
  border-radius: 0;
  color: color-mix(in srgb, var(--chip-color) 78%, #08111f);
  -webkit-text-fill-color: color-mix(in srgb, var(--chip-color) 78%, #08111f);
  background: transparent;
  border: 0;
  border-left: 4px solid var(--chip-color);
  box-shadow: none;
  text-shadow: none;
  padding-left: 8px;
}
:root[data-theme="dark"][data-visual-theme="metro"] .category-quick-chip {
  color: color-mix(in srgb, var(--chip-color) 78%, white);
  -webkit-text-fill-color: color-mix(in srgb, var(--chip-color) 78%, white);
  border-left-color: color-mix(in srgb, var(--chip-color) 78%, white);
}
:root[data-visual-theme="metro"] .category-quick-chip:not(.is-active) { opacity: .40; }
:root[data-visual-theme="metro"] .category-quick-chip.is-active { opacity: 1; }
:root[data-visual-theme="metro"] .category-quick-chip:hover {
  background: color-mix(in srgb, var(--chip-color) 8%, transparent);
}

/* Refine compact set-pill theme fidelity. */
:root[data-visual-theme="gradient"] .category-quick-chip,
:root[data-theme="dark"][data-visual-theme="gradient"] .category-quick-chip {
  color: #fff;
  -webkit-text-fill-color: #fff;
}

:root[data-visual-theme="flat"] .category-quick-chip {
  --chip-flat-border: color-mix(in srgb, var(--chip-color) 74%, #08111f);
  color: var(--chip-flat-border);
  -webkit-text-fill-color: var(--chip-flat-border);
  border-color: var(--chip-flat-border);
}

:root[data-theme="dark"][data-visual-theme="flat"] .category-quick-chip {
  --chip-flat-border: color-mix(in srgb, var(--chip-color) 70%, white);
  color: var(--chip-flat-border);
  -webkit-text-fill-color: var(--chip-flat-border);
  border-color: var(--chip-flat-border);
}

:root[data-visual-theme="metro"] .category-quick-chip {
  position: relative;
  border-left: 0;
  padding-left: 12px;
}

:root[data-visual-theme="metro"] .category-quick-chip::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 4px;
  height: 18px;
  border-radius: 0;
  background: var(--chip-color);
  transform: translateY(-50%);
  pointer-events: none;
}

:root[data-theme="dark"][data-visual-theme="metro"] .category-quick-chip::before {
  background: color-mix(in srgb, var(--chip-color) 78%, white);
}

/* Chrona: borderless frosted zoom-control exclusion zone. */
.zoom-rail {
  padding: 8px 7px 9px !important;
  border: 0 !important;
  border-radius: 13px !important;
  background: rgba(246,246,248,.16) !important;
  box-shadow: none !important;
  backdrop-filter: blur(16px) saturate(1.08) !important;
  -webkit-backdrop-filter: blur(16px) saturate(1.08) !important;
  isolation: isolate;
}
:root[data-theme="dark"] .zoom-rail {
  border: 0 !important;
  background: rgba(42,44,48,.16) !important;
  box-shadow: none !important;
}

/* Match the toolbar labels and tighten Metro accent-to-name spacing. */
.visible-sets-label {
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 700;
}
.primary-set > span { font-weight: 700; }
:root[data-visual-theme="metro"] .category-quick-chip {
  padding-left: 7px;
}
:root[data-visual-theme="metro"] .category-quick-chip::before {
  left: 0;
}


/* Keep the full set chooser above the timeline and independent of toolbar clipping. */
.category-menu {
  position: fixed;
  z-index: 4000;
  right: auto;
}

/* Multi-select Above sets + fully visible group legend. */
.above-sets-control {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}
.above-sets-label,
.visible-sets-label {
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 650;
  white-space: nowrap;
}
.above-sets-button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-width: 190px;
  max-width: 310px;
  min-height: 32px;
  padding: 5px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-solid);
  color: var(--text);
  box-shadow: none;
  font-size: 13px;
}
#aboveSetsSummary {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.above-sets-menu {
  position: fixed;
  z-index: 1400;
  width: min(360px, calc(100vw - 24px));
  max-height: min(480px, calc(100vh - 150px));
  padding: 12px;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface-solid) 97%, transparent);
  box-shadow: var(--shadow-high, 0 18px 48px rgba(0,0,0,.22));
  backdrop-filter: blur(18px) saturate(1.08);
  -webkit-backdrop-filter: blur(18px) saturate(1.08);
}
.above-sets-menu[hidden] { display: none !important; }
.above-sets-menu-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 9px;
}
.above-sets-menu-header strong { font-size: 14px; }
.above-sets-menu-header span { color: var(--text-muted); font-size: 12px; }
.above-sets-menu .category-filters {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 4px;
  min-width: 0;
  max-height: 330px;
  margin-top: 8px;
  overflow-y: auto;
}
.visible-sets-control {
  flex-wrap: wrap;
  align-content: center;
}
.category-quick-filters {
  flex-wrap: wrap;
  overflow: visible;
}
.toolbar {
  flex-wrap: wrap;
  overflow-x: visible;
}
@media (max-width: 760px) {
  .above-sets-control,
  .visible-sets-control { width: 100%; }
  .above-sets-button { flex: 1 1 auto; max-width: none; }
}

/* AI theme — dark surfaces with a crisp blue-to-pink outline. */
.style-preview-ai i {
  height: 12px;
  border-radius: 5px;
  background:
    linear-gradient(#090d16, #090d16) padding-box,
    linear-gradient(90deg, #168cff, #ff3d9a) border-box;
  border: 2px solid transparent;
  box-shadow: none;
}

:root[data-visual-theme="ai"] .event-label:not(.mobile-period-rail) {
  position: absolute;
  isolation: isolate;
  border: 2px solid transparent !important;
  border-radius: 10px !important;
  color: #ffffff !important;
  -webkit-text-fill-color: #ffffff !important;
  background:
    linear-gradient(rgba(8, 12, 20, .96), rgba(8, 12, 20, .96)) padding-box,
    linear-gradient(90deg, #168cff 0%, #6f63ff 48%, #ff3d9a 100%) border-box !important;
  box-shadow: var(--event-surface-shadow) !important;
  text-shadow: none !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  overflow: hidden;
}
:root[data-visual-theme="ai"] .event-label:not(.mobile-period-rail)::before {
  content: none !important;
  display: none !important;
}
:root[data-visual-theme="ai"] .event-label-text:not(.mobile-period-text) {
  color: #ffffff !important;
  -webkit-text-fill-color: #ffffff !important;
  filter: none !important;
}
:root[data-visual-theme="ai"] .event-label:not(.mobile-period-rail).is-search-dim {
  opacity: .22;
}
:root[data-visual-theme="ai"] .event-label:not(.mobile-period-rail).is-search-match {
  opacity: 1;
  filter: brightness(1.08) saturate(1.08) !important;
  box-shadow:
    0 0 0 2px rgba(255,255,255,.92),
    0 0 0 4px rgba(83,107,255,.5),
    0 7px 20px rgba(3,7,18,.26) !important;
}
:root[data-visual-theme="ai"] .event-thumbnail {
  border: 1px solid rgba(255,255,255,.28);
  background: #090d16;
}


/* Responsive iPad/iPhone support and corrected AI surfaces */
.style-preview-ai i {
  background:
    linear-gradient(#ffffff, #ffffff) padding-box,
    linear-gradient(90deg, #168cff, #ff3d9a) border-box !important;
}
:root[data-visual-theme="ai"] .event-label:not(.mobile-period-rail) {
  color: var(--event-color) !important;
  -webkit-text-fill-color: var(--event-color) !important;
  background:
    linear-gradient(#ffffff, #ffffff) padding-box,
    linear-gradient(90deg, #168cff 0%, #6f63ff 48%, #ff3d9a 100%) border-box !important;
}
:root[data-visual-theme="ai"] .event-label-text:not(.mobile-period-text) {
  color: inherit !important;
  -webkit-text-fill-color: currentColor !important;
}
:root[data-visual-theme="ai"] .event-thumbnail {
  background: #ffffff !important;
  border-color: color-mix(in srgb, var(--event-color) 35%, #d7dce5) !important;
}
:root[data-visual-theme="ai"] .category-quick-chip {
  border: 2px solid transparent !important;
  color: var(--chip-color) !important;
  -webkit-text-fill-color: var(--chip-color) !important;
  background:
    linear-gradient(#ffffff, #ffffff) padding-box,
    linear-gradient(90deg, #168cff 0%, #6f63ff 48%, #ff3d9a 100%) border-box !important;
}

@media (min-width: 700px) and (max-width: 1100px) {
  .app-header { padding: 8px 12px !important; gap: 10px !important; }
  .app-header h1 { font-size: 25px !important; }
  .subtitle { font-size: 11px !important; }
  .header-icon-toggle, .search-toggle, .settings-toggle {
    width: 32px !important; height: 32px !important;
  }
  .toolbar { padding: 6px 10px !important; gap: 7px 10px !important; }
  .above-sets-label, .visible-sets-label { font-size: 12px !important; }
  .above-sets-button {
    min-width: 150px !important; min-height: 29px !important;
    padding: 3px 8px !important; font-size: 12px !important;
  }
  .category-quick-chip {
    min-height: 27px !important; padding: 3px 8px !important; font-size: 12px !important;
  }
  .zoom-rail {
    right: 8px !important; padding: 5px 4px 6px !important;
    border: 0 !important; box-shadow: none !important;
    background: rgba(255,255,255,.18) !important;
  }
  .zoom-rail button {
    width: 31px !important; height: 31px !important; min-width: 31px !important;
    font-size: 18px !important;
  }
  .zoom-range-wrap { height: 132px !important; font-size: 9px !important; }
  .zoom-rail input[type="range"] { height: 90px !important; }
}

@media (max-width: 699px) and (orientation: portrait) {
  html, body { min-width: 0 !important; overflow-x: hidden !important; }
  .app-header {
    min-height: 48px !important;
    padding: calc(6px + env(safe-area-inset-top)) 8px 6px !important;
    align-items: center !important; gap: 6px !important;
  }
  .brand-block { min-width: 0 !important; }
  .app-header h1 { font-size: 22px !important; line-height: 1 !important; }
  .subtitle, .app-header #status { display: none !important; }
  .header-actions { gap: 4px !important; }
  .header-icon-toggle, .search-toggle, .settings-toggle {
    width: 31px !important; height: 31px !important; min-width: 31px !important; padding: 6px !important;
  }
  .toolbar {
    padding: 5px 8px 7px !important; gap: 5px !important;
    flex-direction: column !important; align-items: stretch !important; overflow: visible !important;
  }
  .above-sets-control, .visible-sets-control { width: 100% !important; gap: 6px !important; }
  .above-sets-label, .visible-sets-label {
    flex: 0 0 58px !important; font-size: 11px !important; font-weight: 700 !important;
  }
  .above-sets-button {
    min-width: 0 !important; max-width: none !important; min-height: 28px !important;
    padding: 3px 8px !important; font-size: 11px !important;
  }
  .visible-sets-control { flex-wrap: nowrap !important; align-items: center !important; }
  .category-quick-filters {
    flex: 1 1 auto !important; display: flex !important; flex-wrap: nowrap !important;
    overflow-x: auto !important; scrollbar-width: none; padding-bottom: 2px;
  }
  .category-quick-filters::-webkit-scrollbar { display: none; }
  .category-quick-chip {
    flex: 0 0 auto !important; min-height: 25px !important;
    padding: 2px 7px !important; font-size: 10px !important; border-radius: 7px !important;
  }
  .timeline-viewport.is-phone-vertical {
    position: relative !important;
    height: calc(100dvh - 138px - env(safe-area-inset-top)) !important;
    min-height: 360px !important; overflow-y: auto !important; overflow-x: hidden !important;
    touch-action: pan-y !important; overscroll-behavior-y: contain; border-radius: 0 !important;
  }
  .timeline-viewport.is-phone-vertical #timelineCanvas,
  .timeline-viewport.is-phone-vertical .leader-canvas,
  .timeline-viewport.is-phone-vertical .label-layer {
    position: absolute !important; inset: 0 auto auto 0 !important;
    width: 100% !important; height: var(--mobile-content-height) !important;
  }
  .timeline-viewport.is-phone-vertical .leader-canvas,
  .timeline-viewport.is-phone-vertical .zoom-rail,
  .timeline-viewport.is-phone-vertical .event-year { display: none !important; }
  .mobile-timeline-card {
    position: absolute !important; display: grid !important;
    grid-template-rows: auto 1fr auto !important; align-content: center !important;
    gap: 3px !important; padding: 8px 10px !important; text-align: left !important;
    overflow: hidden !important; cursor: pointer !important; z-index: 2 !important;
  }
  .mobile-primary-card {
    font-size: 14px !important; font-weight: 650 !important;
    box-shadow: 0 5px 15px rgba(15,23,42,.16) !important;
  }
  .mobile-secondary-card {
    font-size: 12px !important; font-weight: 570 !important; opacity: .92;
    box-shadow: 0 3px 10px rgba(15,23,42,.11) !important;
  }
  .mobile-card-date {
    color: var(--event-color) !important; -webkit-text-fill-color: var(--event-color) !important;
    font-size: 10px !important; font-weight: 720 !important; line-height: 1.1 !important;
  }
  .mobile-card-group {
    color: var(--text-muted) !important; -webkit-text-fill-color: var(--text-muted) !important;
    font-size: 9px !important; font-weight: 560 !important; line-height: 1.1 !important;
  }
  
  
  
  .detail-panel {
    position: fixed !important; left: 0 !important; right: 0 !important;
    bottom: 0 !important; top: auto !important; width: 100% !important;
    max-height: 68dvh !important; border-radius: 16px 16px 0 0 !important;
    padding: 16px 16px calc(16px + env(safe-area-inset-bottom)) !important; z-index: 5000 !important;
  }
}


/* Multilingual controls */
.language-control {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 34px;
  padding: 3px 5px 3px 8px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: color-mix(in srgb, var(--surface-solid) 88%, transparent);
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
}
.language-control select {
  appearance: auto;
  min-width: 58px;
  height: 27px;
  border: 0;
  border-radius: 6px;
  background: var(--surface-soft);
  color: var(--text);
  font: inherit;
  font-weight: 700;
  padding: 0 4px;
}
.settings-language-help { margin: 0; color: var(--text-muted); font-size: 12px; line-height: 1.45; }
@media (max-width: 699px) {
  .language-control { padding: 2px; min-height: 31px; border: 0; background: transparent; }
  .language-control-label { display: none; }
  .language-control select { min-width: 54px; height: 29px; font-size: 11px; }
}


/* Settings information architecture: Timeline → Appearance → General → Advanced */
.settings-group {
  padding-top: 18px;
  margin-top: 18px;
  border-top: 1px solid var(--border-subtle);
}
.settings-group:first-of-type {
  padding-top: 0;
  margin-top: 0;
  border-top: 0;
}
.settings-group-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.settings-group-heading h3 {
  margin: 0;
  color: var(--text);
  font-size: 15px;
  font-weight: 760;
  letter-spacing: -.01em;
  text-transform: none;
}
.settings-group .settings-section {
  margin-top: 16px;
}
.settings-group .settings-section:first-of-type {
  margin-top: 0;
}
.settings-group .settings-section h4 {
  margin: 0 0 9px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .055em;
  text-transform: uppercase;
}
.settings-language-control {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 38px;
  padding: 7px 9px;
  border: 1px solid var(--border-subtle);
  border-radius: 9px;
  background: var(--surface-soft);
  color: var(--text);
  font-size: 13px;
  font-weight: 650;
}
.settings-language-control select {
  min-width: 150px;
  height: 30px;
  padding: 0 28px 0 9px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--surface-solid);
  color: var(--text);
  font: inherit;
}
.settings-version-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 38px;
  padding: 7px 9px;
  border: 1px solid var(--border-subtle);
  border-radius: 9px;
  background: var(--surface-soft);
  color: var(--text);
  font-size: 13px;
  font-weight: 650;
}
.settings-version-row code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  color: var(--text-muted);
}
.settings-version-help,
.settings-language-help {
  margin: 8px 0 0;
  color: var(--text-muted);
  font-size: 11px;
  line-height: 1.45;
}
@media (max-width: 699px) {
  .settings-language-control {
    align-items: stretch;
    flex-direction: column;
    gap: 6px;
  }
  .settings-language-control select {
    width: 100%;
    min-width: 0;
  }
}


/* Chrona v2.0.3 — square Google Sheet header icon */
#sheetToggle.header-icon-toggle {
  width: 32px !important;
  min-width: 32px !important;
  max-width: 32px !important;
  height: 32px !important;
  min-height: 32px !important;
  max-height: 32px !important;
  padding: 6px !important;
  aspect-ratio: 1 / 1;
  flex: 0 0 32px !important;
}
#sheetToggle.header-icon-toggle svg {
  width: 18px !important;
  height: 18px !important;
  max-width: 18px !important;
  max-height: 18px !important;
  aspect-ratio: 1 / 1;
}
@media (max-width: 699px) {
  #sheetToggle.header-icon-toggle {
    width: 30px !important;
    min-width: 30px !important;
    max-width: 30px !important;
    height: 30px !important;
    min-height: 30px !important;
    max-height: 30px !important;
    flex-basis: 30px !important;
  }
  #sheetToggle.header-icon-toggle svg {
    width: 17px !important;
    height: 17px !important;
  }
}

/* Chrona v2.0.4 — compact iPhone cards and truly matched Sheet button */
.sheet-control:not(.is-open) {
  width: 34px !important;
  min-width: 34px !important;
  max-width: 34px !important;
  height: 34px !important;
  min-height: 34px !important;
  max-height: 34px !important;
  padding: 0 !important;
  border: 0 !important;
  border-radius: 9px !important;
  background: transparent !important;
  box-shadow: none !important;
  overflow: visible !important;
}
#sheetToggle.header-icon-toggle {
  width: 34px !important;
  min-width: 34px !important;
  max-width: 34px !important;
  height: 34px !important;
  min-height: 34px !important;
  max-height: 34px !important;
  padding: 8px !important;
  border-radius: 9px !important;
  background: var(--surface-solid) !important;
  border: 1px solid var(--border) !important;
  box-shadow: none !important;
  flex: 0 0 34px !important;
}
#sheetToggle.header-icon-toggle:hover { background: var(--surface-hover) !important; }
#sheetToggle.header-icon-toggle svg {
  width: 18px !important;
  height: 18px !important;
  fill: none !important;
  stroke: currentColor !important;
  stroke-width: 1.8 !important;
}
@media (max-width: 699px) and (orientation: portrait) {
  .timeline-viewport.is-phone-vertical {
    scrollbar-width: none !important;
    -ms-overflow-style: none !important;
  }
  .timeline-viewport.is-phone-vertical::-webkit-scrollbar {
    width: 0 !important;
    height: 0 !important;
    display: none !important;
  }
  .mobile-timeline-card {
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
    gap: 3px !important;
    padding: 6px 9px !important;
  }
  .mobile-timeline-card .event-label-text {
    display: block !important;
    width: 100% !important;
    overflow: hidden !important;
    white-space: nowrap !important;
    text-overflow: ellipsis !important;
    line-height: 1.15 !important;
  }
  .mobile-card-meta {
    display: block !important;
    width: 100% !important;
    overflow: hidden !important;
    white-space: nowrap !important;
    text-overflow: ellipsis !important;
    color: var(--text-muted) !important;
    -webkit-text-fill-color: var(--text-muted) !important;
    font-size: 10px !important;
    font-weight: 560 !important;
    line-height: 1.15 !important;
  }
  .mobile-card-date,
  .mobile-card-group {
    display: inline !important;
    color: inherit !important;
    -webkit-text-fill-color: inherit !important;
    font-size: inherit !important;
    font-weight: inherit !important;
    line-height: inherit !important;
  }
  #sheetToggle.header-icon-toggle,
  .sheet-control:not(.is-open) {
    width: 31px !important;
    min-width: 31px !important;
    max-width: 31px !important;
    height: 31px !important;
    min-height: 31px !important;
    max-height: 31px !important;
    flex-basis: 31px !important;
  }
  #sheetToggle.header-icon-toggle { padding: 7px !important; }
  #sheetToggle.header-icon-toggle svg { width: 17px !important; height: 17px !important; }
}


/* v2.0.5 — compact conventional Above sets checklist */
.above-sets-menu {
  width: min(286px, calc(100vw - 20px)) !important;
  max-height: min(430px, calc(100vh - 120px)) !important;
  padding: 10px !important;
  border-radius: 10px !important;
}

.above-sets-menu-header {
  margin-bottom: 7px !important;
}

.above-sets-menu-header strong {
  font-size: 13px !important;
}

.above-sets-menu-header span {
  font-size: 11px !important;
}

.above-sets-menu .group-search {
  min-height: 32px !important;
  padding: 5px 9px !important;
  font-size: 13px !important;
  border-radius: 7px !important;
}

.above-sets-menu .category-filters {
  gap: 1px !important;
  margin-top: 6px !important;
  max-height: 292px !important;
}

.above-sets-menu .above-set-option {
  position: relative !important;
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  justify-content: flex-start !important;
  gap: 7px !important;
  width: 100% !important;
  min-height: 31px !important;
  margin: 0 !important;
  padding: 4px 7px 4px 10px !important;
  border: 0 !important;
  border-radius: 6px !important;
  background: transparent !important;
  box-shadow: none !important;
  color: var(--text) !important;
  -webkit-text-fill-color: currentColor !important;
  text-align: left !important;
  text-shadow: none !important;
  cursor: pointer !important;
}

.above-sets-menu .above-set-option::before {
  content: "" !important;
  flex: 0 0 3px !important;
  align-self: stretch !important;
  max-height: 19px !important;
  margin: auto 2px auto 0 !important;
  border-radius: 2px !important;
  background: var(--chip-color) !important;
}

.above-sets-menu .above-set-option:hover {
  background: var(--surface-hover) !important;
}

.above-sets-menu .above-set-option .filter-name {
  order: 1 !important;
  flex: 1 1 auto !important;
  min-width: 0 !important;
  overflow: hidden !important;
  color: var(--text) !important;
  -webkit-text-fill-color: currentColor !important;
  font-size: 13px !important;
  font-weight: 520 !important;
  line-height: 1.25 !important;
  text-align: left !important;
  text-overflow: ellipsis !important;
  white-space: nowrap !important;
}

.above-sets-menu .above-set-option input[type="checkbox"] {
  order: 2 !important;
  flex: 0 0 auto !important;
  width: 16px !important;
  height: 16px !important;
  margin: 0 0 0 8px !important;
  accent-color: var(--chip-color) !important;
}

@media (max-width: 699px) {
  .above-sets-menu {
    width: min(278px, calc(100vw - 16px)) !important;
    padding: 8px !important;
  }
}


/* v2.0.6 — tighter Above sets popover */
.above-sets-menu {
  width: min(238px, calc(100vw - 16px)) !important;
  max-height: min(342px, calc(100vh - 90px)) !important;
  padding: 7px !important;
  border-radius: 9px !important;
}

.above-sets-menu-header {
  min-height: 20px !important;
  margin-bottom: 4px !important;
}

.above-sets-menu-header strong {
  font-size: 12px !important;
  line-height: 1.1 !important;
}

.above-sets-menu-header span {
  font-size: 10px !important;
  line-height: 1 !important;
}

.above-sets-menu .group-search {
  height: 28px !important;
  min-height: 28px !important;
  padding: 3px 7px !important;
  font-size: 12px !important;
  line-height: 1.1 !important;
  border-radius: 6px !important;
}

.above-sets-menu .category-filters {
  gap: 0 !important;
  margin-top: 4px !important;
  max-height: 250px !important;
}

.above-sets-menu .above-set-option {
  min-height: 27px !important;
  height: 27px !important;
  padding: 2px 4px 2px 7px !important;
  border-radius: 5px !important;
  gap: 5px !important;
}

.above-sets-menu .above-set-option::before {
  flex-basis: 2px !important;
  max-height: 15px !important;
  margin-right: 1px !important;
}

.above-sets-menu .above-set-option .filter-name {
  font-size: 12px !important;
  font-weight: 520 !important;
  line-height: 1 !important;
}

.above-sets-menu .above-set-option input[type="checkbox"] {
  width: 15px !important;
  height: 15px !important;
  margin-left: 6px !important;
}

@media (max-width: 699px) {
  .above-sets-menu {
    width: min(226px, calc(100vw - 12px)) !important;
    padding: 6px !important;
  }

  .above-sets-menu .above-set-option {
    min-height: 26px !important;
    height: 26px !important;
  }
}


/* v2.0.7 — content-sized Above sets control and menu */
.above-sets-button {
  width: fit-content !important;
  min-width: 0 !important;
  max-width: min(190px, 42vw) !important;
  padding-left: 10px !important;
  padding-right: 25px !important;
}

.above-sets-button .above-sets-button-text {
  max-width: 145px !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
  white-space: nowrap !important;
}

.above-sets-menu {
  width: 190px !important;
  min-width: 190px !important;
  max-width: calc(100vw - 12px) !important;
}

.above-sets-menu .above-set-option {
  display: grid !important;
  grid-template-columns: minmax(0, max-content) 15px !important;
  justify-content: start !important;
  column-gap: 9px !important;
  width: fit-content !important;
  min-width: 100% !important;
}

.above-sets-menu .above-set-option::before {
  display: none !important;
}

.above-sets-menu .above-set-option .filter-name {
  width: auto !important;
  max-width: 137px !important;
}

.above-sets-menu .above-set-option input[type="checkbox"] {
  margin-left: 0 !important;
  justify-self: end !important;
}

@media (max-width: 699px) {
  .above-sets-button {
    max-width: min(170px, 48vw) !important;
    padding-right: 23px !important;
  }

  .above-sets-menu {
    width: 184px !important;
    min-width: 184px !important;
  }

  .above-sets-menu .above-set-option .filter-name {
    max-width: 131px !important;
  }
}


/* v2.0.8 — compact Settings, native-like Above sets menu, dual cursor labels */
.settings-panel.settings-panel-compact {
  width: min(300px, calc(100vw - 20px)) !important;
  padding: 14px !important;
  border-radius: 13px !important;
}
.settings-panel-compact .settings-heading {
  align-items: center !important;
}
.settings-panel-compact .settings-heading h2 {
  font-size: 19px !important;
}
.settings-panel-compact .settings-section {
  margin-top: 15px !important;
}
.settings-panel-compact .settings-section h3 {
  margin: 0 0 7px !important;
  font-size: 11px !important;
}
.settings-panel-compact .default-sheet-settings {
  display: grid !important;
  grid-template-columns: minmax(0, 1fr) auto !important;
  gap: 7px !important;
}
.settings-panel-compact #defaultSheetUrl {
  min-width: 0 !important;
  height: 34px !important;
  padding: 6px 8px !important;
  font-size: 12px !important;
}
.settings-panel-compact #saveDefaultSheetUrl {
  height: 34px !important;
  min-width: 54px !important;
  padding: 5px 10px !important;
}
.settings-panel-compact .default-sheet-status {
  grid-column: 1 / -1 !important;
  min-height: 0 !important;
  font-size: 10px !important;
}
.settings-panel-compact .style-options {
  gap: 6px !important;
}
.settings-panel-compact .style-option {
  min-height: 58px !important;
  grid-template-columns: 68px 1fr 15px !important;
  gap: 8px !important;
  padding: 7px !important;
}
.settings-panel-compact .style-preview {
  width: 68px !important;
  height: 40px !important;
}
.settings-panel-compact .style-option strong {
  font-size: 13px !important;
}
.settings-panel-compact .style-option small {
  font-size: 10px !important;
}
.settings-panel-compact .settings-language-section select {
  width: 100% !important;
  height: 34px !important;
  padding: 4px 8px !important;
  border: 1px solid var(--border) !important;
  border-radius: 8px !important;
  background: var(--surface-solid) !important;
  color: var(--text) !important;
  font: inherit !important;
}
.settings-panel-compact .settings-version-section {
  margin-top: 10px !important;
}
.settings-panel-compact .settings-version-row {
  min-height: 30px !important;
  padding: 5px 7px !important;
  border: 0 !important;
  background: transparent !important;
}

/* Content-sized native-style checklist. */
.above-sets-button {
  width: auto !important;
  min-width: 0 !important;
  max-width: min(220px, 46vw) !important;
  justify-content: flex-start !important;
  gap: 8px !important;
  padding: 5px 8px 5px 10px !important;
}
#aboveSetsSummary {
  flex: 0 1 auto !important;
  max-width: 175px !important;
}
.above-sets-menu {
  min-width: 0 !important;
  max-width: calc(100vw - 16px) !important;
  padding: 7px !important;
  border-radius: 9px !important;
}
.above-sets-menu-header {
  margin-bottom: 4px !important;
}
.above-sets-menu .category-search {
  width: 100% !important;
  height: 28px !important;
  min-height: 28px !important;
  padding: 4px 7px !important;
  font-size: 12px !important;
}
.above-sets-menu .category-filters {
  gap: 0 !important;
  margin-top: 4px !important;
}
.above-sets-menu .above-set-option {
  display: grid !important;
  grid-template-columns: minmax(0, 1fr) 15px !important;
  align-items: center !important;
  column-gap: 10px !important;
  width: 100% !important;
  min-height: 27px !important;
  height: 27px !important;
  padding: 2px 5px 2px 7px !important;
  border: 0 !important;
  border-radius: 5px !important;
  background: transparent !important;
  box-shadow: none !important;
  color: var(--text) !important;
  -webkit-text-fill-color: currentColor !important;
  text-align: left !important;
}
.above-sets-menu .above-set-option:hover,
.above-sets-menu .above-set-option:focus-visible {
  background: var(--surface-hover) !important;
}
.above-sets-menu .above-set-option .filter-name {
  min-width: 0 !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
  white-space: nowrap !important;
  font-size: 12px !important;
  font-weight: 520 !important;
}
.above-sets-menu .above-set-check {
  width: 15px !important;
  color: #248a3d !important;
  -webkit-text-fill-color: #248a3d !important;
  font-size: 14px !important;
  font-weight: 800 !important;
  line-height: 1 !important;
  text-align: center !important;
}
.above-sets-menu .above-set-check[hidden] {
  visibility: hidden !important;
  display: block !important;
}

/* The yellow ruler's date sits left; elapsed time sits right. */




@media (max-width: 699px) and (orientation: portrait) {
  .settings-panel.settings-panel-compact {
    width: min(292px, calc(100vw - 16px)) !important;
  }
  
  
}


/* v2.0.9 — iPhone uses Chrona's real horizontal time scale */
@media (max-width: 699px) and (orientation: portrait) {
  html,
  body {
    min-width: 0 !important;
    overflow: hidden !important;
  }

  .app-header {
    min-height: 46px !important;
    height: auto !important;
    padding:
      calc(5px + env(safe-area-inset-top))
      7px
      5px !important;
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 6px !important;
  }

  .brand-block {
    flex: 1 1 auto !important;
    min-width: 0 !important;
    display: flex !important;
    align-items: center !important;
  }

  .app-header h1 {
    margin: 0 !important;
    font-size: 24px !important;
    line-height: 1 !important;
    white-space: nowrap !important;
  }

  .subtitle,
  .app-header #status {
    display: none !important;
  }

  .header-actions {
    flex: 0 0 auto !important;
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    gap: 4px !important;
  }

  .header-icon-toggle,
  .search-toggle,
  .settings-toggle {
    width: 30px !important;
    height: 30px !important;
    min-width: 30px !important;
    min-height: 30px !important;
    padding: 5px !important;
    border-radius: 8px !important;
  }

  .header-icon-toggle svg,
  .search-toggle svg,
  .settings-toggle svg {
    width: 17px !important;
    height: 17px !important;
  }

  .toolbar {
    padding: 4px 6px 5px !important;
    gap: 4px 6px !important;
    flex-direction: column !important;
    align-items: stretch !important;
    overflow: visible !important;
  }

  .above-sets-control,
  .visible-sets-control {
    width: 100% !important;
    gap: 5px !important;
  }

  .above-sets-label,
  .visible-sets-label {
    flex: 0 0 auto !important;
    font-size: 10px !important;
    font-weight: 700 !important;
  }

  .above-sets-button {
    min-height: 26px !important;
    padding: 2px 22px 2px 7px !important;
    font-size: 10px !important;
    max-width: 145px !important;
  }

  .category-quick-filters {
    display: flex !important;
    flex-wrap: nowrap !important;
    overflow-x: auto !important;
    scrollbar-width: none !important;
    -webkit-overflow-scrolling: touch !important;
  }

  .category-quick-filters::-webkit-scrollbar {
    display: none !important;
  }

  .category-quick-chip {
    flex: 0 0 auto !important;
    min-height: 23px !important;
    padding: 1px 6px !important;
    font-size: 9px !important;
  }

  main {
    min-height: 0 !important;
  }

  .timeline-viewport {
    height: calc(100dvh - 112px - env(safe-area-inset-top)) !important;
    min-height: 320px !important;
    overflow: hidden !important;
    touch-action: none !important;
    border-radius: 0 !important;
  }

  .timeline-viewport #timelineCanvas,
  .timeline-viewport .leader-canvas,
  .timeline-viewport .label-layer {
    width: 100% !important;
    height: 100% !important;
  }

  /* Keep the real horizontal timeline controls, but shrink their footprint. */
  .zoom-rail {
    right: 4px !important;
    top: 8px !important;
    padding: 3px !important;
    gap: 3px !important;
    border: 0 !important;
    box-shadow: none !important;
    background: rgba(255,255,255,.14) !important;
    backdrop-filter: blur(10px) !important;
    -webkit-backdrop-filter: blur(10px) !important;
  }

  .zoom-rail button {
    width: 27px !important;
    height: 27px !important;
    min-width: 27px !important;
    font-size: 16px !important;
  }

  .zoom-range-wrap {
    height: 94px !important;
    font-size: 8px !important;
  }

  .zoom-rail input[type="range"] {
    height: 62px !important;
  }

  .overview-navigator {
    height: 28px !important;
    bottom: 2px !important;
  }

  .detail-panel {
    position: fixed !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    top: auto !important;
    width: 100% !important;
    max-height: 68dvh !important;
    border-radius: 14px 14px 0 0 !important;
    padding: 14px 14px calc(14px + env(safe-area-inset-bottom)) !important;
    z-index: 5000 !important;
  }
}

/* Ensure obsolete phone-list cards never appear if stale DOM remains. */



/* v2.0.10 — definitive native-style Above sets menu and compact language row */
.above-sets-menu {
  box-sizing: border-box !important;
  min-width: 0 !important;
  width: 160px !important;
  max-width: calc(100vw - 12px) !important;
  padding: 6px !important;
  border-radius: 9px !important;
  direction: ltr !important;
  writing-mode: horizontal-tb !important;
}
.above-sets-menu-header {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  height: 20px !important;
  margin: 0 2px 4px !important;
}
.above-sets-menu-header strong { font-size: 12px !important; line-height: 1 !important; }
.above-sets-menu-header span { font-size: 10px !important; line-height: 1 !important; }
.above-sets-menu .category-search {
  box-sizing: border-box !important;
  width: 100% !important;
  height: 27px !important;
  min-height: 27px !important;
  margin: 0 0 3px !important;
  padding: 3px 7px !important;
  font-size: 11px !important;
  border-radius: 6px !important;
}
.above-sets-menu .category-filters {
  display: flex !important;
  flex-direction: column !important;
  gap: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
}
.above-sets-menu .above-set-option {
  appearance: none !important;
  -webkit-appearance: none !important;
  box-sizing: border-box !important;
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  justify-content: flex-start !important;
  width: 100% !important;
  min-width: 0 !important;
  height: 25px !important;
  min-height: 25px !important;
  margin: 0 !important;
  padding: 2px 5px 2px 7px !important;
  gap: 7px !important;
  border: 0 !important;
  border-radius: 5px !important;
  background: transparent !important;
  box-shadow: none !important;
  color: var(--text) !important;
  -webkit-text-fill-color: currentColor !important;
  direction: ltr !important;
  text-align: left !important;
}
.above-sets-menu .above-set-option:hover,
.above-sets-menu .above-set-option:focus-visible {
  background: var(--surface-hover) !important;
  outline: none !important;
}
.above-sets-menu .above-set-option .filter-name {
  order: 0 !important;
  flex: 1 1 auto !important;
  width: auto !important;
  max-width: none !important;
  min-width: 0 !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
  white-space: nowrap !important;
  color: var(--text) !important;
  -webkit-text-fill-color: currentColor !important;
  font-size: 11px !important;
  font-weight: 500 !important;
  line-height: 1 !important;
  text-align: left !important;
}
.above-sets-menu .above-set-check {
  order: 1 !important;
  flex: 0 0 15px !important;
  width: 15px !important;
  height: 15px !important;
  margin: 0 !important;
  color: #248a3d !important;
  -webkit-text-fill-color: #248a3d !important;
  font-size: 14px !important;
  font-weight: 800 !important;
  line-height: 15px !important;
  text-align: center !important;
}
.above-sets-menu .above-set-check[hidden] {
  display: block !important;
  visibility: hidden !important;
}
.settings-panel-compact .settings-language-section {
  margin-top: 15px !important;
}
.settings-panel-compact .settings-language-row {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 12px !important;
}
.settings-panel-compact .settings-language-row h3 {
  flex: 0 0 auto !important;
  margin: 0 !important;
}
.settings-panel-compact .settings-language-row select {
  flex: 0 1 154px !important;
  width: 154px !important;
  height: 32px !important;
  padding: 3px 27px 3px 8px !important;
  border: 1px solid var(--border) !important;
  border-radius: 7px !important;
  background: var(--surface-solid) !important;
  color: var(--text) !important;
  font: inherit !important;
  font-size: 12px !important;
}
@media (max-width: 699px) {
  .above-sets-menu {
    width: 154px !important;
    padding: 5px !important;
  }
  .above-sets-menu .above-set-option {
    height: 24px !important;
    min-height: 24px !important;
  }
}


/* v2.0.11 — compact phone header and proportional vertical timeline */


@media (max-width: 699px) and (orientation: portrait) {
  html,
  body {
    min-width: 0 !important;
    overflow: hidden !important;
  }

  .app-header {
    min-height: 43px !important;
    padding:
      calc(4px + env(safe-area-inset-top))
      6px
      4px !important;
    display: flex !important;
    flex-flow: row nowrap !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 5px !important;
  }

  .brand-block {
    flex: 1 1 auto !important;
    min-width: 0 !important;
    display: flex !important;
    align-items: center !important;
  }

  .app-header h1 {
    margin: 0 !important;
    font-size: 23px !important;
    line-height: 1 !important;
    white-space: nowrap !important;
  }

  .subtitle,
  .app-header #status {
    display: none !important;
  }

  .header-actions {
    margin-left: auto !important;
    flex: 0 0 auto !important;
    display: flex !important;
    flex-flow: row nowrap !important;
    align-items: center !important;
    justify-content: flex-end !important;
    gap: 3px !important;
  }

  

  .search-toggle,
  .settings-toggle,
  .header-icon-toggle {
    width: 29px !important;
    height: 29px !important;
    min-width: 29px !important;
    min-height: 29px !important;
    padding: 5px !important;
    margin: 0 !important;
    border-radius: 8px !important;
  }

  .search-toggle svg,
  .settings-toggle svg,
  .header-icon-toggle svg {
    width: 16px !important;
    height: 16px !important;
  }

  .toolbar {
    padding: 3px 5px 4px !important;
  }

  .timeline-viewport.is-phone-vertical {
    position: relative !important;
    height: calc(100dvh - 104px - env(safe-area-inset-top)) !important;
    min-height: 330px !important;
    overflow: hidden !important;
    touch-action: none !important;
    border-radius: 0 !important;
  }

  .timeline-viewport.is-phone-vertical #timelineCanvas,
  .timeline-viewport.is-phone-vertical .leader-canvas,
  .timeline-viewport.is-phone-vertical .label-layer {
    position: absolute !important;
    inset: 0 !important;
    width: 100% !important;
    height: 100% !important;
  }

  .timeline-viewport.is-phone-vertical .leader-canvas {
    display: none !important;
  }

  .timeline-viewport.is-phone-vertical .zoom-rail {
    right: 3px !important;
    top: 5px !important;
    padding: 2px !important;
    gap: 2px !important;
  }

  .timeline-viewport.is-phone-vertical .zoom-rail button {
    width: 26px !important;
    height: 26px !important;
    min-width: 26px !important;
  }

  .timeline-viewport.is-phone-vertical .zoom-range-wrap {
    height: 88px !important;
  }

  .timeline-viewport.is-phone-vertical .overview-navigator {
    display: none !important;
  }

  .mobile-scale-card {
    position: absolute !important;
    display: grid !important;
    grid-template-rows: 1fr auto !important;
    align-content: center !important;
    gap: 2px !important;
    padding: 5px 7px !important;
    text-align: left !important;
    overflow: hidden !important;
    z-index: 2 !important;
  }

  .mobile-scale-card .event-label-text,
  .mobile-scale-meta {
    display: block !important;
    min-width: 0 !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    white-space: nowrap !important;
  }

  .mobile-scale-card .event-label-text {
    font-size: 11px !important;
    font-weight: 650 !important;
    line-height: 1.1 !important;
  }

  .mobile-scale-meta {
    color: var(--text-muted) !important;
    -webkit-text-fill-color: var(--text-muted) !important;
    font-size: 9px !important;
    font-weight: 560 !important;
    line-height: 1 !important;
  }

  .mobile-scale-reference {
    opacity: .93 !important;
  }

  :root[data-visual-theme="ai"] .mobile-scale-card {
    color: var(--event-color) !important;
    -webkit-text-fill-color: var(--event-color) !important;
    background:
      linear-gradient(#ffffff, #ffffff) padding-box,
      linear-gradient(90deg, #168cff 0%, #6f63ff 48%, #ff3d9a 100%) border-box !important;
  }

  

  

  

  

  /* Retire the old equal-distance list card classes. */
  
}


/* v2.0.12 — aligned header actions, compact phone controls and radar */
@media (min-width: 700px) {
  .app-header {
    display: flex !important;
    flex-flow: row nowrap !important;
    align-items: flex-start !important;
    justify-content: space-between !important;
    gap: 16px !important;
  }
  .brand-block {
    flex: 1 1 auto !important;
    min-width: 0 !important;
  }
  .header-actions {
    width: auto !important;
    margin-left: auto !important;
    flex: 0 0 auto !important;
    display: flex !important;
    flex-flow: row nowrap !important;
    align-items: center !important;
    justify-content: flex-end !important;
    gap: 8px !important;
    overflow: visible !important;
  }
  
}

@media (max-width: 699px) and (orientation: portrait) {
  .timeline-viewport.is-phone-vertical {
    height: calc(100dvh - 135px - env(safe-area-inset-top)) !important;
    padding-bottom: 0 !important;
  }

  /* Keep the complete desktop zoom control, scaled for a phone. */
  .timeline-viewport.is-phone-vertical .zoom-rail {
    display: flex !important;
    visibility: visible !important;
    right: 3px !important;
    top: 5px !important;
    width: 31px !important;
    padding: 2px !important;
    gap: 2px !important;
    border: 0 !important;
    box-shadow: none !important;
    background: rgba(255,255,255,.16) !important;
    backdrop-filter: blur(10px) !important;
    -webkit-backdrop-filter: blur(10px) !important;
  }
  .timeline-viewport.is-phone-vertical .zoom-rail button {
    display: block !important;
    width: 27px !important;
    height: 27px !important;
    min-width: 27px !important;
    min-height: 27px !important;
    padding: 0 !important;
    font-size: 16px !important;
  }
  .timeline-viewport.is-phone-vertical .zoom-range-wrap {
    display: flex !important;
    height: 91px !important;
    font-size: 7px !important;
  }
  .timeline-viewport.is-phone-vertical .zoom-rail input[type="range"] {
    display: block !important;
    height: 62px !important;
  }

  /* Global radar: desktop overview reduced to a thin bottom spectrum strip. */
  .overview-navigator {
    display: block !important;
    position: relative !important;
    z-index: 12 !important;
    height: 31px !important;
    flex: 0 0 31px !important;
    padding: 3px 5px 4px !important;
    border-top: 1px solid var(--border-strong) !important;
    box-shadow: 0 -3px 10px rgba(15,23,42,.06) !important;
    overflow: hidden !important;
  }
  .overview-navigator .overview-heading {
    display: none !important;
  }
  .overview-navigator .overview-track {
    height: 23px !important;
    min-height: 23px !important;
    margin: 0 !important;
  }
  .overview-navigator #overviewCanvas,
  .overview-navigator .overview-window {
    height: 23px !important;
  }
  .overview-navigator .overview-handle {
    width: 7px !important;
  }

  /* Move the vertical axis and its year labels safely away from the screen edge. */
  
}


/* v2.0.13 — fixed header alignment and truthful phone radar */
@media (min-width: 700px) {
  .app-header {
    position: relative !important;
    display: block !important;
    min-height: 150px !important;
    padding-right: 112px !important;
  }
  .brand-block {
    display: block !important;
    width: auto !important;
    max-width: calc(100% - 20px) !important;
  }
  .header-actions {
    position: absolute !important;
    top: 24px !important;
    right: 24px !important;
    width: auto !important;
    margin: 0 !important;
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    align-items: center !important;
    justify-content: flex-end !important;
    gap: 8px !important;
    overflow: visible !important;
  }
  
  .header-actions .search-toggle,
  .header-actions .settings-toggle {
    flex: 0 0 auto !important;
  }
}

@media (max-width: 699px) and (orientation: portrait) {
  .timeline-viewport.is-phone-vertical {
    height: calc(100dvh - 150px - env(safe-area-inset-top)) !important;
  }
  .overview-navigator {
    display: block !important;
    position: relative !important;
    z-index: 12 !important;
    box-sizing: border-box !important;
    width: 100% !important;
    height: 44px !important;
    min-height: 44px !important;
    flex: 0 0 44px !important;
    margin: 0 !important;
    padding: 3px 4px !important;
    border: 1px solid var(--border-strong) !important;
    border-left: 0 !important;
    border-right: 0 !important;
    border-radius: 0 !important;
    background: var(--surface-solid) !important;
    box-shadow: none !important;
    overflow: hidden !important;
  }
  .overview-navigator .overview-heading {
    display: none !important;
  }
  .overview-navigator .overview-track {
    box-sizing: border-box !important;
    width: 100% !important;
    height: 36px !important;
    min-height: 36px !important;
    margin: 0 !important;
    border: 0 !important;
    border-radius: 0 !important;
    overflow: hidden !important;
  }
  .overview-navigator #overviewCanvas,
  .overview-navigator .overview-window {
    height: 36px !important;
    border-radius: 0 !important;
  }
  .overview-navigator .overview-window {
    top: 0 !important;
    bottom: 0 !important;
    border-top: 1px solid var(--accent) !important;
    border-bottom: 1px solid var(--accent) !important;
    background: color-mix(in srgb, var(--accent) 12%, transparent) !important;
  }
  .overview-navigator .overview-handle,
  .overview-navigator .overview-handle::after {
    border-radius: 0 !important;
  }
}


/* v2.0.14 — deterministic header row, equal icon buttons, cursor labels, vertical phone radar */
.app-header {
  box-sizing: border-box !important;
}

.header-actions {
  position: absolute !important;
  top: 20px !important;
  right: 20px !important;
  width: auto !important;
  height: auto !important;
  margin: 0 !important;
  padding: 0 !important;
  display: block !important;
  overflow: visible !important;
}

.header-icon-row {
  display: flex !important;
  flex-flow: row nowrap !important;
  align-items: center !important;
  justify-content: flex-end !important;
  gap: 8px !important;
}

.header-square-button,
.header-actions .search-toggle,
.header-actions .settings-toggle {
  box-sizing: border-box !important;
  display: inline-grid !important;
  place-items: center !important;
  flex: 0 0 42px !important;
  width: 42px !important;
  height: 42px !important;
  min-width: 42px !important;
  min-height: 42px !important;
  max-width: 42px !important;
  max-height: 42px !important;
  margin: 0 !important;
  padding: 9px !important;
  border-radius: 11px !important;
}

.header-square-button svg,
.header-actions .search-toggle svg,
.header-actions .settings-toggle svg {
  display: block !important;
  width: 22px !important;
  height: 22px !important;
}







@media (min-width: 700px) {
  .app-header {
    position: relative !important;
    display: block !important;
    min-height: 150px !important;
    padding-right: 140px !important;
  }
}

@media (max-width: 699px) and (orientation: portrait) {
  .app-header {
    position: relative !important;
    min-height: 43px !important;
    padding-right: 76px !important;
  }

  .header-actions {
    top: calc(5px + env(safe-area-inset-top)) !important;
    right: 6px !important;
  }

  .header-icon-row {
    gap: 4px !important;
  }

  .header-square-button,
  .header-actions .search-toggle,
  .header-actions .settings-toggle {
    flex-basis: 30px !important;
    width: 30px !important;
    height: 30px !important;
    min-width: 30px !important;
    min-height: 30px !important;
    max-width: 30px !important;
    max-height: 30px !important;
    padding: 6px !important;
    border-radius: 8px !important;
  }

  .header-square-button svg,
  .header-actions .search-toggle svg,
  .header-actions .settings-toggle svg {
    width: 17px !important;
    height: 17px !important;
  }

  

  .timeline-viewport.is-phone-vertical {
    margin-right: 30px !important;
    width: calc(100% - 30px) !important;
  }

  .overview-navigator {
    display: block !important;
    position: absolute !important;
    top: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    left: auto !important;
    z-index: 18 !important;
    box-sizing: border-box !important;
    width: 30px !important;
    height: auto !important;
    min-height: 0 !important;
    margin: 0 !important;
    padding: 2px !important;
    border: 0 !important;
    border-left: 1px solid var(--border-strong) !important;
    border-radius: 0 !important;
    background: var(--surface-solid) !important;
    box-shadow: none !important;
    overflow: hidden !important;
  }

  .overview-navigator .overview-heading {
    display: none !important;
  }

  .overview-navigator .overview-track {
    position: relative !important;
    box-sizing: border-box !important;
    width: 25px !important;
    height: 100% !important;
    min-height: 100% !important;
    margin: 0 !important;
    border: 0 !important;
    border-radius: 0 !important;
    overflow: hidden !important;
    touch-action: none !important;
  }

  .overview-navigator #overviewCanvas {
    display: block !important;
    width: 25px !important;
    height: 100% !important;
  }

  .overview-navigator .overview-window {
    position: absolute !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    min-width: 0 !important;
    min-height: 10px !important;
    border: 1px solid var(--accent) !important;
    border-radius: 0 !important;
    background: color-mix(in srgb, var(--accent) 14%, transparent) !important;
    box-shadow: none !important;
    cursor: grab !important;
  }

  .overview-navigator .overview-handle {
    left: -1px !important;
    right: -1px !important;
    width: auto !important;
    height: 12px !important;
    top: auto !important;
    bottom: auto !important;
    cursor: ns-resize !important;
  }

  .overview-navigator .overview-handle-left {
    top: -6px !important;
  }

  .overview-navigator .overview-handle-right {
    bottom: -6px !important;
  }

  .overview-navigator .overview-handle::after {
    left: 5px !important;
    right: 5px !important;
    top: 5px !important;
    bottom: auto !important;
    width: auto !important;
    height: 2px !important;
    border-radius: 0 !important;
  }

  
}


/* v2.0.15 — compact header and repaired overview navigator */
@media (min-width: 700px) {
  .app-header {
    position: relative !important;
    display: flex !important;
    flex-flow: row nowrap !important;
    align-items: flex-start !important;
    justify-content: space-between !important;
    min-height: 0 !important;
    height: auto !important;
    padding: 14px 18px 12px !important;
    padding-right: 132px !important;
    gap: 14px !important;
  }

  .brand-block {
    flex: 1 1 auto !important;
    min-width: 0 !important;
    max-width: calc(100% - 8px) !important;
  }

  .app-header h1 {
    margin: 0 !important;
  }

  .header-actions {
    position: absolute !important;
    top: 14px !important;
    right: 18px !important;
    width: auto !important;
    height: 42px !important;
    margin: 0 !important;
    padding: 0 !important;
    display: block !important;
    overflow: visible !important;
  }

  .header-icon-row {
    display: flex !important;
    flex-flow: row nowrap !important;
    align-items: center !important;
    justify-content: flex-end !important;
    gap: 8px !important;
  }

  .header-square-button,
  .header-actions .search-toggle,
  .header-actions .settings-toggle {
    box-sizing: border-box !important;
    flex: 0 0 42px !important;
    width: 42px !important;
    height: 42px !important;
    min-width: 42px !important;
    min-height: 42px !important;
    max-width: 42px !important;
    max-height: 42px !important;
    margin: 0 !important;
    padding: 9px !important;
  }

  .toolbar {
    margin-top: 0 !important;
  }
}

/* Search field must not leave a stray collapsed vertical bar when closed. */




@media (max-width: 699px) and (orientation: portrait) {
  .app-header {
    min-height: 43px !important;
    height: auto !important;
    padding:
      calc(5px + env(safe-area-inset-top))
      72px
      5px
      6px !important;
  }

  .header-actions {
    top: calc(5px + env(safe-area-inset-top)) !important;
    right: 6px !important;
    height: 30px !important;
  }

  .header-square-button,
  .header-actions .search-toggle,
  .header-actions .settings-toggle {
    flex-basis: 30px !important;
    width: 30px !important;
    height: 30px !important;
    min-width: 30px !important;
    min-height: 30px !important;
    max-width: 30px !important;
    max-height: 30px !important;
    padding: 6px !important;
  }

  main {
    position: relative !important;
    min-height: 0 !important;
  }

  .timeline-viewport.is-phone-vertical {
    width: calc(100% - 31px) !important;
    margin-right: 31px !important;
  }

  /* Overview navigator: narrow, vertical, and exactly canvas-height. */
  .overview-navigator {
    position: absolute !important;
    top: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    left: auto !important;
    box-sizing: border-box !important;
    width: 31px !important;
    height: 100% !important;
    min-height: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    border-left: 1px solid var(--border-strong) !important;
    border-radius: 0 !important;
    background: var(--surface-solid) !important;
    box-shadow: none !important;
    overflow: hidden !important;
  }

  .overview-navigator .overview-track {
    position: absolute !important;
    inset: 0 !important;
    box-sizing: border-box !important;
    width: 30px !important;
    height: 100% !important;
    min-height: 0 !important;
    margin: 0 !important;
    border: 0 !important;
    border-radius: 0 !important;
    overflow: hidden !important;
    touch-action: none !important;
  }

  .overview-navigator #overviewCanvas {
    display: block !important;
    width: 30px !important;
    height: 100% !important;
  }

  .overview-navigator .overview-window {
    position: absolute !important;
    left: 1px !important;
    right: 1px !important;
    width: auto !important;
    min-width: 0 !important;
    min-height: 14px !important;
    border: 1px solid var(--accent) !important;
    border-radius: 0 !important;
    background: color-mix(in srgb, var(--accent) 16%, transparent) !important;
    box-shadow: none !important;
    cursor: grab !important;
    touch-action: none !important;
  }

  .overview-navigator .overview-handle {
    position: absolute !important;
    left: -1px !important;
    right: -1px !important;
    width: auto !important;
    height: 16px !important;
    min-width: 0 !important;
    margin: 0 !important;
    cursor: ns-resize !important;
    touch-action: none !important;
    z-index: 4 !important;
  }

  .overview-navigator .overview-handle-left {
    top: -8px !important;
    bottom: auto !important;
  }

  .overview-navigator .overview-handle-right {
    top: auto !important;
    bottom: -8px !important;
  }

  .overview-navigator .overview-handle::after {
    content: "" !important;
    position: absolute !important;
    left: 6px !important;
    right: 6px !important;
    top: 7px !important;
    width: auto !important;
    height: 2px !important;
    border-radius: 0 !important;
    background: var(--accent) !important;
  }
}


/* v2.0.16 — anchored search, debug previews, robust radar handles, tighter phone axis */

/* Search panel is anchored directly below the magnifying-glass button cluster. */
.header-actions {
  overflow: visible !important;
}






/* Desktop-only viewport preview controls. */
.viewport-debug-controls {
  display: flex;
  align-items: center;
  gap: 3px;
  margin-right: 5px;
}
.viewport-debug-button {
  display: inline-grid;
  place-items: center;
  width: 29px;
  height: 29px;
  min-width: 29px;
  padding: 5px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--surface-solid);
  color: var(--text-muted);
  cursor: pointer;
}
.viewport-debug-button svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
}
.viewport-debug-button.is-active {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  background: color-mix(in srgb, var(--accent) 8%, var(--surface-solid));
}

/* Preview widths stay centered without changing the actual browser window. */
html[data-preview-size="tablet"] body {
  width: min(820px, 100vw);
  margin-inline: auto;
  box-shadow: 0 0 0 1px var(--border-subtle);
}
html[data-preview-size="phone"] body {
  width: min(390px, 100vw);
  margin-inline: auto;
  box-shadow: 0 0 0 1px var(--border-subtle);
}

/* The vertical focus window always remains inside the track. */
@media (max-width: 699px) and (orientation: portrait) {
  

  .viewport-debug-controls {
    display: none !important;
  }

  .overview-navigator .overview-window {
    left: 2px !important;
    right: 2px !important;
    min-height: 20px !important;
    overflow: visible !important;
  }

  .overview-navigator .overview-handle {
    left: 0 !important;
    right: 0 !important;
    height: 18px !important;
    z-index: 8 !important;
  }

  .overview-navigator .overview-handle-left {
    top: 0 !important;
    bottom: auto !important;
    transform: translateY(0) !important;
  }

  .overview-navigator .overview-handle-right {
    top: auto !important;
    bottom: 0 !important;
    transform: translateY(0) !important;
  }

  .overview-navigator .overview-handle::after {
    left: 5px !important;
    right: 5px !important;
    top: 8px !important;
    height: 2px !important;
  }
}

/* Apply phone preview styles on desktop debugging mode too. */
html[data-preview-size="phone"] .app-header {
  min-height: 43px !important;
  padding: 5px 72px 5px 6px !important;
}
html[data-preview-size="phone"] .subtitle,
html[data-preview-size="phone"] .app-header #status {
  display: none !important;
}
html[data-preview-size="phone"] .header-actions {
  top: 5px !important;
  right: 6px !important;
}
html[data-preview-size="phone"] .viewport-debug-controls {
  display: none !important;
}
html[data-preview-size="phone"] .header-square-button,
html[data-preview-size="phone"] .header-actions .search-toggle,
html[data-preview-size="phone"] .header-actions .settings-toggle {
  flex-basis: 30px !important;
  width: 30px !important;
  height: 30px !important;
  min-width: 30px !important;
  min-height: 30px !important;
  max-width: 30px !important;
  max-height: 30px !important;
  padding: 6px !important;
}

html[data-preview-size="phone"] .timeline-viewport.is-phone-vertical {
  width: calc(100% - 31px) !important;
  margin-right: 31px !important;
}

/* Prevent phone year labels from fading/clipping at the left edge. */
.timeline-viewport.is-phone-vertical {
  -webkit-mask-image: none !important;
  mask-image: none !important;
}
.timeline-viewport.is-phone-vertical #timelineCanvas {
  opacity: 1 !important;
}


/* v2.0.17 — consistent label clipping and compact phone controls */

/* Measure translated text with the browser's actual fallback font stack. */
.event-label-measure-probe {
  position: fixed;
  left: -10000px;
  top: -10000px;
  visibility: hidden;
  white-space: nowrap;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang TC",
    "Noto Sans CJK TC", "Microsoft JhengHei", sans-serif;
  font-size: 13px;
  line-height: 1.3;
  pointer-events: none;
}

/* Do not show arbitrary ellipsis dots. Show complete text when it fits; when it
   truly clips, use a small edge fade instead. */
.event-label-text {
  text-overflow: clip !important;
}
.event-label-text.is-clipped {
  -webkit-mask-image: linear-gradient(to right, #000 0, #000 calc(100% - 14px), transparent 100%);
  mask-image: linear-gradient(to right, #000 0, #000 calc(100% - 14px), transparent 100%);
}

/* Screen-preview controls remain available in computer, tablet, and phone
   previews so the user can always switch back. */
.viewport-debug-controls,
html[data-preview-size="phone"] .viewport-debug-controls,
html[data-preview-size="tablet"] .viewport-debug-controls {
  display: flex !important;
  flex-flow: row nowrap !important;
}

/* Phone event cards show only the title. */
@media (max-width: 699px) and (orientation: portrait) {
  .mobile-scale-card {
    display: flex !important;
    align-items: center !important;
    height: 30px !important;
    padding: 4px 7px !important;
  }
  .mobile-scale-card .event-label-text {
    width: 100% !important;
    font-size: 11px !important;
    line-height: 1.1 !important;
  }
  .mobile-scale-meta {
    display: none !important;
  }

  /* Retain +, −, and reset; remove the space-heavy slider and its labels. */
  .timeline-viewport.is-phone-vertical .zoom-range-wrap {
    display: none !important;
  }
  .timeline-viewport.is-phone-vertical .zoom-rail {
    gap: 3px !important;
  }

  /* The phone overview remains a vertical radar parallel to the vertical
     timeline. */
  .overview-navigator {
    display: block !important;
    position: absolute !important;
    top: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    left: auto !important;
    width: 31px !important;
    height: 100% !important;
    border-radius: 0 !important;
  }
  .overview-navigator .overview-track {
    position: absolute !important;
    inset: 0 !important;
    width: 30px !important;
    height: 100% !important;
    border-radius: 0 !important;
  }
  .overview-navigator #overviewCanvas {
    width: 30px !important;
    height: 100% !important;
  }
}

/* Apply the same vertical phone layout while using the desktop debug preview. */
html[data-preview-size="phone"] main {
  position: relative !important;
}
html[data-preview-size="phone"] .timeline-viewport.is-phone-vertical {
  width: calc(100% - 31px) !important;
  margin-right: 31px !important;
}
html[data-preview-size="phone"] .timeline-viewport.is-phone-vertical .zoom-range-wrap {
  display: none !important;
}
html[data-preview-size="phone"] .mobile-scale-card {
  display: flex !important;
  align-items: center !important;
  height: 30px !important;
  padding: 4px 7px !important;
}
html[data-preview-size="phone"] .mobile-scale-card .event-label-text {
  width: 100% !important;
}
html[data-preview-size="phone"] .mobile-scale-meta {
  display: none !important;
}
html[data-preview-size="phone"] .overview-navigator {
  display: block !important;
  position: absolute !important;
  top: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  left: auto !important;
  width: 31px !important;
  height: 100% !important;
  min-height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  border-radius: 0 !important;
}
html[data-preview-size="phone"] .overview-navigator .overview-track {
  position: absolute !important;
  inset: 0 !important;
  width: 30px !important;
  height: 100% !important;
  min-height: 0 !important;
  border-radius: 0 !important;
}
html[data-preview-size="phone"] .overview-navigator #overviewCanvas {
  width: 30px !important;
  height: 100% !important;
}
html[data-preview-size="phone"] .overview-navigator .overview-window {
  left: 2px !important;
  right: 2px !important;
  width: auto !important;
  min-height: 20px !important;
  border-radius: 0 !important;
}
html[data-preview-size="phone"] .overview-navigator .overview-handle-left {
  top: 0 !important;
  bottom: auto !important;
}
html[data-preview-size="phone"] .overview-navigator .overview-handle-right {
  top: auto !important;
  bottom: 0 !important;
}


/* v2.0.18 — phone radar handles, left alignment, one-line legend, dark AI/Flat */

/* Dark mode surfaces must remain dark for both DOM event cards and canvas-style
   period labels. */
:root[data-theme="dark"][data-visual-theme="ai"] .event-label,
:root[data-theme="dark"][data-visual-theme="ai"] .period-label {
  background:
    linear-gradient(#090d16, #090d16) padding-box,
    linear-gradient(90deg, #168cff 0%, #6f63ff 48%, #ff3d9a 100%) border-box !important;
}
:root[data-theme="dark"][data-visual-theme="ai"] .event-thumbnail {
  background: #090d16 !important;
}
:root[data-theme="dark"][data-visual-theme="flat"] .event-label,
:root[data-theme="dark"][data-visual-theme="flat"] .period-label {
  background: color-mix(in srgb, var(--event-color) 10%, #0d1117) !important;
  color: color-mix(in srgb, var(--event-color) 78%, #ffffff) !important;
  -webkit-text-fill-color: currentColor !important;
}

/* Phone event and period titles always align left. */
@media (max-width: 699px) and (orientation: portrait) {
  .mobile-scale-card,
  .mobile-scale-card .event-label-text,
  .mobile-scale-period,
  .mobile-scale-period .event-label-text {
    text-align: left !important;
    justify-content: flex-start !important;
  }

  /* Keep the legend in a single horizontal row and allow sideways scrolling. */
  .toolbar,
  .visible-sets-control {
    min-width: 0 !important;
  }
  .visible-sets-control {
    display: flex !important;
    flex-flow: row nowrap !important;
    align-items: center !important;
    overflow: hidden !important;
  }
  .category-quick-filters {
    flex: 1 1 auto !important;
    min-width: 0 !important;
    display: flex !important;
    flex-flow: row nowrap !important;
    overflow-x: auto !important;
    overflow-y: hidden !important;
    white-space: nowrap !important;
    scrollbar-width: none !important;
    -webkit-overflow-scrolling: touch !important;
    overscroll-behavior-inline: contain !important;
  }
  .category-quick-filters::-webkit-scrollbar {
    display: none !important;
  }
  .category-quick-chip {
    flex: 0 0 auto !important;
  }

  /* Match the desktop/iPad navigator handle language: visible rounded white
     grip tabs at the top and bottom of the vertical focus frame. */
  .overview-navigator .overview-window {
    overflow: visible !important;
  }
  .overview-navigator .overview-handle {
    position: absolute !important;
    left: 50% !important;
    right: auto !important;
    width: 18px !important;
    height: 10px !important;
    min-width: 18px !important;
    min-height: 10px !important;
    margin: 0 !important;
    transform: translateX(-50%) !important;
    border: 2px solid #3b4350 !important;
    border-radius: 6px !important;
    background: rgba(255,255,255,.96) !important;
    box-shadow: 0 1px 2px rgba(15,23,42,.22) !important;
    cursor: ns-resize !important;
    z-index: 9 !important;
  }
  .overview-navigator .overview-handle-left {
    top: -5px !important;
    bottom: auto !important;
  }
  .overview-navigator .overview-handle-right {
    top: auto !important;
    bottom: -5px !important;
  }
  .overview-navigator .overview-handle::after {
    content: "" !important;
    position: absolute !important;
    left: 4px !important;
    right: 4px !important;
    top: 3px !important;
    width: auto !important;
    height: 2px !important;
    border: 0 !important;
    border-radius: 1px !important;
    background: #8b95a3 !important;
    box-shadow: none !important;
  }
}

/* Apply the same phone rules in desktop phone-preview mode. */
html[data-preview-size="phone"] .mobile-scale-card,
html[data-preview-size="phone"] .mobile-scale-card .event-label-text,
html[data-preview-size="phone"] .mobile-scale-period,
html[data-preview-size="phone"] .mobile-scale-period .event-label-text {
  text-align: left !important;
  justify-content: flex-start !important;
}
html[data-preview-size="phone"] .visible-sets-control {
  display: flex !important;
  flex-flow: row nowrap !important;
  align-items: center !important;
  overflow: hidden !important;
}
html[data-preview-size="phone"] .category-quick-filters {
  flex: 1 1 auto !important;
  min-width: 0 !important;
  display: flex !important;
  flex-flow: row nowrap !important;
  overflow-x: auto !important;
  overflow-y: hidden !important;
  white-space: nowrap !important;
  scrollbar-width: none !important;
}
html[data-preview-size="phone"] .category-quick-filters::-webkit-scrollbar {
  display: none !important;
}
html[data-preview-size="phone"] .category-quick-chip {
  flex: 0 0 auto !important;
}
html[data-preview-size="phone"] .overview-navigator .overview-window {
  overflow: visible !important;
}
html[data-preview-size="phone"] .overview-navigator .overview-handle {
  position: absolute !important;
  left: 50% !important;
  right: auto !important;
  width: 18px !important;
  height: 10px !important;
  min-width: 18px !important;
  min-height: 10px !important;
  transform: translateX(-50%) !important;
  border: 2px solid #3b4350 !important;
  border-radius: 6px !important;
  background: rgba(255,255,255,.96) !important;
  box-shadow: 0 1px 2px rgba(15,23,42,.22) !important;
  cursor: ns-resize !important;
  z-index: 9 !important;
}
html[data-preview-size="phone"] .overview-navigator .overview-handle-left {
  top: -5px !important;
  bottom: auto !important;
}
html[data-preview-size="phone"] .overview-navigator .overview-handle-right {
  top: auto !important;
  bottom: -5px !important;
}
html[data-preview-size="phone"] .overview-navigator .overview-handle::after {
  content: "" !important;
  position: absolute !important;
  left: 4px !important;
  right: 4px !important;
  top: 3px !important;
  width: auto !important;
  height: 2px !important;
  border-radius: 1px !important;
  background: #8b95a3 !important;
}


/* v2.0.19 — unified dark surfaces, repaired phone radar frame, cursor labels,
   and consistent header buttons */

/* Use Chrona's normal dark surface—not a darker custom fill—for AI and Flat.
   Apply the same treatment to legend pills. */
:root[data-theme="dark"][data-visual-theme="ai"] .event-label,
:root[data-theme="dark"][data-visual-theme="ai"] .period-label {
  background:
    linear-gradient(var(--surface-solid), var(--surface-solid)) padding-box,
    linear-gradient(90deg, #168cff 0%, #6f63ff 48%, #ff3d9a 100%) border-box !important;
}
:root[data-theme="dark"][data-visual-theme="ai"] .category-quick-chip {
  background:
    linear-gradient(var(--surface-solid), var(--surface-solid)) padding-box,
    linear-gradient(90deg, #168cff 0%, #6f63ff 48%, #ff3d9a 100%) border-box !important;
}
:root[data-theme="dark"][data-visual-theme="ai"] .event-thumbnail {
  background: var(--surface-solid) !important;
}

:root[data-theme="dark"][data-visual-theme="flat"] .event-label,
:root[data-theme="dark"][data-visual-theme="flat"] .period-label,
:root[data-theme="dark"][data-visual-theme="flat"] .category-quick-chip {
  background: var(--surface-solid) !important;
  color: color-mix(in srgb, var(--event-color, var(--chip-color)) 78%, #ffffff) !important;
  -webkit-text-fill-color: currentColor !important;
}

/* Search and Settings use the exact same square-button construction as the
   computer/tablet/phone preview controls. */
.viewport-debug-button,
.header-square-button,
.header-actions .search-toggle,
.header-actions .settings-toggle {
  box-sizing: border-box !important;
  display: inline-grid !important;
  place-items: center !important;
  margin: 0 !important;
  border: 1px solid var(--border) !important;
  background: var(--surface-solid) !important;
  color: var(--text) !important;
  box-shadow: var(--control-shadow) !important;
  vertical-align: middle !important;
}
.header-actions .search-toggle svg,
.header-actions .settings-toggle svg,
.viewport-debug-button svg {
  display: block !important;
  margin: 0 auto !important;
  transform: none !important;
  transform-origin: center !important;
}

/* Desktop/tablet: all five controls share the same 34px square footprint. */
@media (min-width: 700px) {
  .viewport-debug-button,
  .header-square-button,
  .header-actions .search-toggle,
  .header-actions .settings-toggle {
    flex: 0 0 34px !important;
    width: 34px !important;
    height: 34px !important;
    min-width: 34px !important;
    min-height: 34px !important;
    max-width: 34px !important;
    max-height: 34px !important;
    padding: 7px !important;
    border-radius: 9px !important;
  }
  .viewport-debug-button svg,
  .header-actions .search-toggle svg,
  .header-actions .settings-toggle svg {
    width: 18px !important;
    height: 18px !important;
  }
  .header-icon-row {
    align-items: center !important;
  }
}

/* Phone radar: draw all four sides explicitly and keep the right border inside
   the 30px track so it cannot be clipped. */
@media (max-width: 699px) and (orientation: portrait) {
  .overview-navigator .overview-track {
    overflow: visible !important;
  }
  .overview-navigator .overview-window {
    left: 2px !important;
    right: 2px !important;
    width: auto !important;
    box-sizing: border-box !important;
    border: 2px solid #343b46 !important;
    border-right: 2px solid #343b46 !important;
    border-radius: 0 !important;
    overflow: visible !important;
  }

  /* Put both labels to the right of the yellow horizontal cursor. */
  
  

  .viewport-debug-button,
  .header-square-button,
  .header-actions .search-toggle,
  .header-actions .settings-toggle {
    flex: 0 0 30px !important;
    width: 30px !important;
    height: 30px !important;
    min-width: 30px !important;
    min-height: 30px !important;
    max-width: 30px !important;
    max-height: 30px !important;
    padding: 6px !important;
    border-radius: 8px !important;
  }
  .viewport-debug-button svg,
  .header-actions .search-toggle svg,
  .header-actions .settings-toggle svg {
    width: 17px !important;
    height: 17px !important;
  }
}

/* Apply the same phone fixes inside desktop phone-preview mode. */
html[data-preview-size="phone"] .overview-navigator .overview-track {
  overflow: visible !important;
}
html[data-preview-size="phone"] .overview-navigator .overview-window {
  left: 2px !important;
  right: 2px !important;
  width: auto !important;
  box-sizing: border-box !important;
  border: 2px solid #343b46 !important;
  border-right: 2px solid #343b46 !important;
  border-radius: 0 !important;
  overflow: visible !important;
}




/* v2.0.20 — cursor labels at the line endpoint and one-row scrolling legend */

/* Primary and Visible remain in one single toolbar row at every size. The
   toolbar itself scrolls horizontally when its complete contents do not fit. */
.toolbar {
  display: flex !important;
  flex-flow: row nowrap !important;
  align-items: center !important;
  gap: 8px !important;
  min-width: 0 !important;
  overflow-x: auto !important;
  overflow-y: hidden !important;
  white-space: nowrap !important;
  scrollbar-width: none !important;
  -webkit-overflow-scrolling: touch !important;
  overscroll-behavior-inline: contain !important;
}
.toolbar::-webkit-scrollbar {
  display: none !important;
}

.above-sets-control,
.visible-sets-control {
  display: flex !important;
  flex-flow: row nowrap !important;
  align-items: center !important;
  flex: 0 0 auto !important;
  min-width: max-content !important;
  width: auto !important;
  gap: 6px !important;
  overflow: visible !important;
}

.category-quick-filters {
  display: flex !important;
  flex-flow: row nowrap !important;
  align-items: center !important;
  flex: 0 0 auto !important;
  min-width: max-content !important;
  width: auto !important;
  overflow: visible !important;
  white-space: nowrap !important;
}
.category-quick-chip {
  flex: 0 0 auto !important;
}

/* Phone vertical timeline: year above the yellow line and relative age below
   it, both anchored to the far-right endpoint of that horizontal line. */


/* Match the exact same behavior in desktop phone-preview mode. */
html[data-preview-size="phone"] .toolbar {
  display: flex !important;
  flex-flow: row nowrap !important;
  align-items: center !important;
  overflow-x: auto !important;
  overflow-y: hidden !important;
  white-space: nowrap !important;
  scrollbar-width: none !important;
}
html[data-preview-size="phone"] .toolbar::-webkit-scrollbar {
  display: none !important;
}
html[data-preview-size="phone"] .above-sets-control,
html[data-preview-size="phone"] .visible-sets-control {
  flex: 0 0 auto !important;
  min-width: max-content !important;
  width: auto !important;
}
html[data-preview-size="phone"] .category-quick-filters {
  flex: 0 0 auto !important;
  min-width: max-content !important;
  width: auto !important;
  overflow: visible !important;
}






/* v2.0.21 — compact proportional period rails for phone timelines */


/* Match the same phone-period treatment inside desktop phone preview mode. */





/* v2.0.22 — no edge fading in phone vertical mode */
@media (max-width: 699px) and (orientation: portrait) {
  /* Desktop uses edge gradients to hint that the timeline continues. On a
     vertical phone timeline those gradients obscure year labels and the ends
     of event cards, so remove them entirely. */
  .timeline-viewport.is-phone-vertical::before {
    content: none !important;
    display: none !important;
    background: none !important;
    opacity: 0 !important;
  }

  .timeline-viewport.is-phone-vertical {
    -webkit-mask-image: none !important;
    mask-image: none !important;
  }

  .timeline-viewport.is-phone-vertical .event-label,
  .timeline-viewport.is-phone-vertical .mobile-scale-card,
  .timeline-viewport.is-phone-vertical .period-label {
    -webkit-mask-image: none !important;
    mask-image: none !important;
    opacity: 1 !important;
  }

  .timeline-viewport.is-phone-vertical .event-label-text,
  .timeline-viewport.is-phone-vertical .event-label-text.is-clipped {
    -webkit-mask-image: none !important;
    mask-image: none !important;
  }
}

/* The desktop phone-preview must match the real phone presentation. */
html[data-preview-size="phone"] .timeline-viewport.is-phone-vertical::before {
  content: none !important;
  display: none !important;
  background: none !important;
  opacity: 0 !important;
}
html[data-preview-size="phone"] .timeline-viewport.is-phone-vertical,
html[data-preview-size="phone"] .timeline-viewport.is-phone-vertical .event-label,
html[data-preview-size="phone"] .timeline-viewport.is-phone-vertical .mobile-scale-card,
html[data-preview-size="phone"] .timeline-viewport.is-phone-vertical .period-label,
html[data-preview-size="phone"] .timeline-viewport.is-phone-vertical .event-label-text,
html[data-preview-size="phone"] .timeline-viewport.is-phone-vertical .event-label-text.is-clipped {
  -webkit-mask-image: none !important;
  mask-image: none !important;
  opacity: 1 !important;
}


/* v2.0.23 — integrated phone period rails and duration-event mini spans */


/* Match phone preview mode. */






/* v2.0.24 — Primary menu has no search row */
.above-sets-menu .category-search,
.above-sets-menu #aboveSetsSearch {
  display: none !important;
}
.above-sets-menu .category-filters {
  margin-top: 2px !important;
}


/* v2.0.25 — detail-card translation disclosure and local language toggle */
.detail-disclosure {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}
.detail-disclosure-note {
  display: grid;
  gap: 3px;
  min-width: 0;
  color: var(--text-muted);
  font-size: 10px;
  line-height: 1.35;
}
.detail-language-toggle {
  flex: 0 0 auto;
  min-height: 30px;
  padding: 5px 9px;
  border: 1px solid var(--border-strong);
  border-radius: 7px;
  background: var(--surface-solid);
  color: var(--text);
  font: inherit;
  font-size: 11px;
  font-weight: 650;
  cursor: pointer;
}
.detail-language-toggle:hover {
  background: var(--surface-hover);
}
.detail-language-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
@media (max-width: 699px) {
  .detail-disclosure {
    align-items: stretch;
    flex-direction: column;
    gap: 8px;
  }
  .detail-language-toggle {
    align-self: flex-end;
  }
}


/* v2.0.26 — compact Primary dropdown */
.above-sets-button::after {
  font-size: 15px !important;
  font-weight: 800 !important;
  line-height: 1 !important;
  transform: translateY(-1px) !important;
}

.above-sets-menu {
  padding: 5px !important;
  border-radius: 8px !important;
}

.above-sets-menu-header {
  display: none !important;
}

.above-sets-menu .category-filters {
  margin: 0 !important;
  max-height: min(280px, calc(100vh - 110px)) !important;
  overflow-y: auto !important;
  overflow-x: hidden !important;
  scrollbar-width: thin !important;
  overscroll-behavior: contain !important;
}

.above-sets-menu .above-set-option {
  min-height: 27px !important;
  height: 27px !important;
  padding: 2px 5px 2px 7px !important;
}

@media (max-width: 699px) {
  .above-sets-button::after {
    font-size: 14px !important;
  }

  .above-sets-menu {
    padding: 4px !important;
  }

  .above-sets-menu .category-filters {
    max-height: min(250px, calc(100vh - 90px)) !important;
  }
}


/* v2.0.27 — Primary Save workflow and compact detail card */
.above-sets-button {
  position: relative !important;
  padding-right: 31px !important;
}
.above-sets-button::after {
  content: "⌄" !important;
  position: absolute !important;
  right: 8px !important;
  top: 50% !important;
  transform: translateY(-56%) !important;
  font-size: 24px !important;
  font-weight: 800 !important;
  line-height: 1 !important;
  pointer-events: none !important;
}
.above-sets-menu {
  padding: 4px !important;
}
.above-sets-menu-footer {
  display: flex !important;
  justify-content: flex-end !important;
  padding: 4px 1px 1px !important;
  border-top: 1px solid var(--border) !important;
  background: var(--surface-solid) !important;
}
#aboveSetsSave {
  width: auto !important;
  min-width: 0 !important;
  height: 27px !important;
  padding: 3px 7px !important;
  border: 1px solid var(--border-strong) !important;
  border-radius: 6px !important;
  background: var(--surface-solid) !important;
  color: var(--text) !important;
  font: inherit !important;
  font-size: 12px !important;
  font-weight: 650 !important;
  cursor: pointer !important;
}

.detail-meta-line {
  margin-top: 2px !important;
  color: var(--text-muted) !important;
  font-size: 11px !important;
  line-height: 1.35 !important;
  white-space: normal !important;
}
.detail-footer-actions {
  display: flex !important;
  justify-content: flex-end !important;
  min-height: 0 !important;
  margin-top: 8px !important;
}
.detail-footer-actions:empty {
  display: none !important;
}
.detail-fine-print {
  display: grid !important;
  gap: 2px !important;
  margin-top: 9px !important;
  padding-top: 7px !important;
  border-top: 1px solid var(--border) !important;
  color: var(--text-muted) !important;
  font-size: 9px !important;
  line-height: 1.35 !important;
}
.detail-fine-print span {
  display: block !important;
}
.detail-disclosure,
.detail-disclosure-note {
  display: none !important;
}


/* v2.0.28 — centered period labels and consistent overflow indicators */

/* Phone period titles are centered both across the rail width and along the
   currently visible duration segment. */


/* Match the real phone layout in desktop phone-preview mode. */




/* v2.0.29 — phone period rails, Primary arrow, and translation-load repair */

/* One arrow only, placed next to the selected Primary text and centered. */
.above-sets-button {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: flex-start !important;
  gap: 7px !important;
  padding-right: 10px !important;
}
.above-sets-button::after {
  content: "" !important;
  position: static !important;
  flex: 0 0 10px !important;
  width: 10px !important;
  height: 7px !important;
  margin-left: 1px !important;
  border: 0 !important;
  background: currentColor !important;
  clip-path: polygon(0 0, 100% 0, 50% 100%) !important;
  transform: none !important;
  pointer-events: none !important;
}
#aboveSetsSummary {
  flex: 0 1 auto !important;
}

/* All phone period rails use Chrona's same neon frame. The interior follows
   the current app surface; only the title uses the group's color. */


/* Same presentation in desktop phone-preview mode. */



/* v2.0.45 — SVG phone period frame
   The button owns positioning and interaction. SVG owns only the open-top frame.
   The HTML span owns vertical text. No CSS border, mask, or pseudo-element draws the rail. */


/* Desktop phone preview follows the same SVG component contract. */




















/* v2.0.49 — SVG phone period corrections: theme-matched interior, flat visible start cap, and top-aligned ellipsized vertical labels. */


/* v2.0.50 — The vertical title is a text-only overlay. The SVG path owns the
   complete period surface and frame, preventing a rectangular inner box from
   appearing inside the curved rail. */


/* v2.0.51 — HTML period surface beneath transparent SVG frame.
   The HTML label provides the opaque theme-matched interior; SVG stays on top
   and remains the sole owner of the neon outline. */




/* v2.0.52 — Phone period rails use the same surface color as horizontal event cards.
   SVG top joins are mitered so visible top caps have square corners. */

/* v2.0.53 — restore detail credit/fine print and inline original-text reference */
.detail-fine-print {
  display: grid !important;
  gap: 3px !important;
  margin-top: 10px !important;
  padding-top: 8px !important;
  border-top: 1px solid var(--border) !important;
  color: var(--text-muted) !important;
  font-size: 9px !important;
  line-height: 1.4 !important;
}
.detail-fine-print > span {
  display: block !important;
}
.detail-inline-reference {
  display: inline !important;
  white-space: nowrap !important;
}
.detail-language-link {
  display: inline !important;
  color: var(--accent) !important;
  font-size: inherit !important;
  font-weight: 650 !important;
  text-decoration: underline !important;
  text-underline-offset: 2px !important;
  cursor: pointer !important;
}
.detail-language-link:hover {
  text-decoration-thickness: 2px !important;
}


/* v2.0.54 — selectable detail pane, persistent provenance, and safer period-label inset */
.detail-panel,
.detail-panel #detailContent,
.detail-panel #detailContent * {
  -webkit-user-select: text !important;
  user-select: text !important;
}
.detail-panel button,
.detail-panel a {
  -webkit-user-select: none !important;
  user-select: none !important;
}
.detail-panel #detailContent {
  cursor: text;
}
.detail-fine-print {
  position: relative;
  z-index: 1;
  min-height: 1em;
}





/* v2.0.56 — deterministic visible detail credits and original-text reference */
.detail-fine-print {
  display: grid !important;
  visibility: visible !important;
  opacity: 1 !important;
  color: var(--text-muted) !important;
  -webkit-text-fill-color: var(--text-muted) !important;
}
.detail-fine-print-row {
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
  min-height: 1.2em !important;
  color: var(--text-muted) !important;
  -webkit-text-fill-color: var(--text-muted) !important;
}
.detail-fine-print-row strong {
  color: inherit !important;
  -webkit-text-fill-color: inherit !important;
  font-weight: 700 !important;
}
.detail-fine-print .detail-language-link {
  display: inline !important;
  visibility: visible !important;
  opacity: 1 !important;
  color: var(--accent) !important;
  -webkit-text-fill-color: var(--accent) !important;
}


/* v2.0.57 — one-line detail provenance and final mobile period text inset */
.detail-fine-print {
  display: block !important;
  margin: 10px 0 0 !important;
  padding-top: 8px !important;
  border-top: 1px solid var(--border) !important;
  min-height: 0 !important;
  color: var(--text-muted) !important;
  -webkit-text-fill-color: var(--text-muted) !important;
  font-size: 9px !important;
  line-height: 1.45 !important;
  white-space: break-spaces !important;
}
.detail-fine-print > span,
.detail-fine-print > a {
  display: inline !important;
  min-height: 0 !important;
}
.detail-fine-print strong {
  color: inherit !important;
  -webkit-text-fill-color: inherit !important;
  font-weight: 700 !important;
}
.detail-fine-print .detail-language-link {
  display: inline !important;
  white-space: nowrap !important;
  color: var(--accent) !important;
  -webkit-text-fill-color: var(--accent) !important;
}





/* v2.0.58 — restore scrollable, scrollbar-free, selectable detail pane */
.detail-panel {
  overflow-x: hidden !important;
  overflow-y: auto !important;
  overscroll-behavior: contain !important;
  -webkit-overflow-scrolling: touch !important;
  scrollbar-width: none !important;
  -ms-overflow-style: none !important;
  touch-action: pan-y !important;
}
.detail-panel::-webkit-scrollbar {
  width: 0 !important;
  height: 0 !important;
  display: none !important;
}
.detail-panel #detailContent,
.detail-panel #detailContent p,
.detail-panel #detailContent div,
.detail-panel #detailContent span,
.detail-panel #detailContent strong,
.detail-panel #detailContent em,
.detail-panel #detailContent h1,
.detail-panel #detailContent h2,
.detail-panel #detailContent h3 {
  -webkit-user-select: text !important;
  user-select: text !important;
  cursor: text !important;
}
.detail-panel #detailContent a,
.detail-panel #detailContent button,
.detail-panel .detail-close {
  -webkit-user-select: none !important;
  user-select: none !important;
  cursor: pointer !important;
}


/* v2.0.59 — make the detail pane a true isolated scroll and selection surface */
.detail-panel,
.detail-panel #detailContent,
.detail-panel #detailContent * {
  -webkit-user-select: text !important;
  user-select: text !important;
  pointer-events: auto !important;
}
.detail-panel {
  overflow-x: hidden !important;
  overflow-y: auto !important;
  overscroll-behavior-x: none !important;
  overscroll-behavior-y: contain !important;
  touch-action: pan-y pinch-zoom !important;
  -webkit-overflow-scrolling: touch !important;
  scrollbar-width: none !important;
  -ms-overflow-style: none !important;
}
.detail-panel::-webkit-scrollbar {
  width: 0 !important;
  height: 0 !important;
  display: none !important;
}
.detail-panel #detailContent {
  cursor: text !important;
  -webkit-touch-callout: default !important;
}
.detail-panel #detailContent a,
.detail-panel #detailContent button,
.detail-panel .detail-close {
  -webkit-user-select: none !important;
  user-select: none !important;
  cursor: pointer !important;
}


/* v2.0.60 — search is one anchored expanding control with a restored counter. */


/* The field is anchored to the magnifying-glass button itself, so moving the
   button can never leave the field behind. */









/* On a phone, expansion creates a real second header row. This increases the
   header height and pushes the legend pills down, so the input cannot open
   underneath or behind them. */
@media (max-width: 699px) and (orientation: portrait) {
  .app-header {
    transition: padding-bottom 180ms ease, min-height 180ms ease !important;
  }
  
  
  
  
  
}

/* Desktop phone-preview follows the same two-row phone behavior. */






/* v2.0.61 — keep desktop cursor labels pinned to the true top endpoint. */


/* v2.0.62 — authoritative expanding search component. */
















/* First-run sample-data notice */
.onboarding-notice {
  margin: 0 18px 10px;
  padding: 11px 13px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border: 1px solid color-mix(in srgb, var(--accent, #5b7cfa) 25%, var(--border));
  border-radius: 12px;
  background: color-mix(in srgb, var(--panel, #fff) 92%, var(--accent, #5b7cfa) 8%);
  color: var(--text);
  font-size: 13px;
  line-height: 1.4;
}
.onboarding-notice[hidden] { display: none !important; }
.onboarding-copy {
  display: grid;
  gap: 3px;
  max-width: 760px;
}
.onboarding-copy span { color: var(--muted); }
.onboarding-actions {
  display: flex;
  flex: 0 0 auto;
  gap: 8px;
}
.onboarding-actions a,
.onboarding-actions button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 11px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--panel, #fff);
  color: var(--text);
  font: inherit;
  font-weight: 650;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}
.onboarding-actions .onboarding-primary {
  border-color: transparent;
  background: var(--accent, #5b7cfa);
  color: #fff;
}
.onboarding-actions .onboarding-download {
  border-color: color-mix(in srgb, var(--accent, #5b7cfa) 45%, var(--border));
  color: var(--accent, #5b7cfa);
}
.settings-sheet-help {
  grid-column: 1 / -1;
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}
.settings-sheet-help a {
  color: var(--accent, #5b7cfa);
  font-weight: 650;
  cursor: pointer;
}
@media (max-width: 960px) {
  .onboarding-actions { flex-wrap: wrap; }
}
@media (max-width: 760px) {
  .onboarding-notice { margin: 0 10px 8px; align-items: stretch; flex-direction: column; }
  .onboarding-actions { width: 100%; display: grid; grid-template-columns: 1fr; }
}



/* Optional public-sample data layer */
.sample-layer-toggle {
  display:flex; align-items:center; justify-content:space-between; gap:12px;
  color:var(--text); font-size:13px; font-weight:650; cursor:pointer; user-select:none;
}
.sample-layer-toggle input { position:absolute; opacity:0; pointer-events:none; }
.sample-layer-toggle i {
  position:relative; flex:0 0 auto; width:38px; height:22px; border-radius:999px;
  background:var(--surface-soft); border:1px solid var(--border-strong); transition:.18s ease;
}
.sample-layer-toggle i::after {
  content:""; position:absolute; top:2px; left:2px; width:16px; height:16px; border-radius:50%;
  background:var(--surface); box-shadow:0 1px 4px rgba(15,23,42,.22); transition:.18s ease;
}
.sample-layer-toggle input:checked + i { background:#2563eb; border-color:#2563eb; }
.sample-layer-toggle input:checked + i::after { transform:translateX(16px); background:#fff; }
.sample-layer-toggle input:focus-visible + i { outline:2px solid #60a5fa; outline-offset:2px; }
.sample-layer-toggle input:disabled + i { opacity:.55; cursor:not-allowed; }

/* v2.6.2 — protect the Chrona signature wordmark from global accent typography. */
.app-header .brand-block > h1 {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", sans-serif !important;
  background: linear-gradient(90deg, #ff5a5f 0%, #ff9f0a 18%, #ffd60a 33%, #34c759 50%, #0a84ff 68%, #5e5ce6 83%, #bf5af2 100%) !important;
  -webkit-background-clip: text !important;
  background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  color: transparent !important;
}


/* v2.6.3 — responsive full-screen Settings and scrollbar-free curved surfaces. */
.settings-panel {
  scrollbar-width: none;
}
.settings-panel::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}
.settings-backdrop { z-index: 1390; }
.settings-panel { z-index: 1400; }

@media (max-width: 1024px) {
  .settings-backdrop {
    inset: 0 !important;
  }
  .settings-panel,
  .settings-panel.settings-panel-compact {
    inset: 0 !important;
    top: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    max-width: none !important;
    height: 100dvh !important;
    max-height: 100dvh !important;
    margin: 0 !important;
    padding: max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left)) !important;
    border: 0 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    background: var(--surface-solid) !important;
    overflow-y: auto !important;
  }
}

html[data-preview-size="phone"] .settings-panel,
html[data-preview-size="phone"] .settings-panel.settings-panel-compact,
html[data-preview-size="tablet"] .settings-panel,
html[data-preview-size="tablet"] .settings-panel.settings-panel-compact {
  inset: 0 !important;
  top: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  left: 0 !important;
  width: 100vw !important;
  max-width: none !important;
  height: 100dvh !important;
  max-height: 100dvh !important;
  margin: 0 !important;
  border: 0 !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  background: var(--surface-solid) !important;
  overflow-y: auto !important;
}


/* Chrona v2.8.3 — structural labels and overflow controls stay interactive/readable. */
.group-label-layer {
  position: absolute;
  inset: 0;
  z-index: 6;
  pointer-events: none;
  overflow: hidden;
}
.group-lane-label {
  position: absolute;
  max-width: min(320px, calc(100% - 28px));
  padding: 1px 5px 2px;
  border-radius: 4px;
  background: color-mix(in srgb, var(--surface-solid) 82%, transparent);
  box-shadow: 0 1px 2px rgba(15,23,42,.05);
  font: 650 10px/1.25 -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-shadow: 0 1px 0 color-mix(in srgb, var(--surface-solid) 82%, transparent);
}
.timeline-overflow-cue {
  pointer-events: auto !important;
  touch-action: manipulation;
}

/* Chrona v2.8.4 — radar lens is draggable in both axes. */
.overview-window { cursor: move; }
.overview-window:active { cursor: grabbing; }


/* Chrona v2.8.7 — connector and chronological-list layering. */
#timelineCanvas { z-index: 1; }
.event-label-above:not(.period-label)::before,
.event-label-below:not(.period-label)::before { display: none !important; }
.list-view-date strong.is-repeated-year { visibility: hidden; }


/* Chrona 2.8.8 — lane-keeping / mixed-group presentation switch */
.visible-sets-control {
  flex: 1 1 auto;
  min-width: 0;
}
.lane-keeping-control {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  white-space: nowrap;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 650;
  cursor: pointer;
  user-select: none;
}
.lane-keeping-control input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.lane-keeping-control i {
  position: relative;
  width: 34px;
  height: 20px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: color-mix(in srgb, var(--surface-soft) 88%, transparent);
  box-shadow: inset 0 1px 2px rgba(15,23,42,.08);
  transition: background-color 150ms ease, border-color 150ms ease;
}
.lane-keeping-control i::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  left: 2px;
  top: 2px;
  border-radius: 50%;
  background: var(--surface-solid);
  box-shadow: 0 1px 3px rgba(15,23,42,.25);
  transition: transform 150ms ease;
}
.lane-keeping-control input:checked + i {
  background: #34c759;
  border-color: color-mix(in srgb, #34c759 72%, var(--border-strong));
}
.lane-keeping-control input:checked + i::after { transform: translateX(14px); }
.lane-keeping-control input:focus-visible + i { box-shadow: 0 0 0 3px var(--focus); }
@media (max-width: 760px) {
  .lane-keeping-control span { display: none; }
}