:root {
  color-scheme: dark;
  --bg: #111315;
  --bg-2: #15191d;
  --panel: #191d21;
  --panel-2: #20262b;
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(243, 240, 232, 0.28);
  --text: #f3f0e8;
  --muted: #aeb4b9;
  --muted-2: #687078;
  --black: #000;
  --white: #f3f0e8;
  --accent: #37d2b4;
  --danger: #ff5a6f;
  --radius: 18px;
  --mono: "SF Mono", "Roboto Mono", "Cascadia Mono", "Courier New", monospace;
  --sans: Inter, "SF Pro Display", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  overflow: hidden;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

.app-shell {
  min-height: 100vh;
  background:
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    radial-gradient(circle at 18% 8%, rgba(55, 210, 180, 0.13), transparent 28rem),
    radial-gradient(circle at 82% 12%, rgba(255, 191, 71, 0.08), transparent 30rem),
    linear-gradient(180deg, #15191d 0%, #0f1114 100%);
  background-size: 42px 42px, 42px 42px, auto, auto, auto;
}

.topbar {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 22px;
  border-bottom: 1px solid var(--line);
  background: rgba(15, 17, 20, 0.88);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 280px;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  position: relative;
  background: linear-gradient(135deg, #20262b, #111315);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  background: var(--white);
  opacity: 0.9;
}

.brand-mark::before {
  width: 14px;
  height: 1px;
  left: 9px;
  top: 16px;
}

.brand-mark::after {
  width: 1px;
  height: 14px;
  left: 16px;
  top: 9px;
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong {
  font-size: 15px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.brand-copy small {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.02em;
}

.transport {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.control-button {
  border: 1px solid var(--line);
  background: #191d21;
  color: var(--text);
  border-radius: 999px;
  padding: 9px 16px;
  cursor: pointer;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 12px;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.control-button:hover {
  border-color: var(--line-strong);
  background: #20262b;
}

.control-button:active {
  transform: translateY(1px);
}

.control-button.primary {
  background: var(--white);
  border-color: var(--white);
  color: #121416;
  font-weight: 700;
  min-width: 88px;
}

.toggle-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  user-select: none;
}

.toggle-pill.compact {
  padding: 7px 10px;
}

.toggle-pill input {
  appearance: none;
  width: 28px;
  height: 16px;
  border-radius: 999px;
  background: #2a3035;
  border: 1px solid var(--line);
  position: relative;
  margin: 0;
  cursor: pointer;
}

.toggle-pill input::before {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #777;
  top: 2px;
  left: 2px;
  transition: transform 160ms ease, background 160ms ease;
}

.toggle-pill input:checked {
  background: var(--white);
  border-color: var(--white);
}

.toggle-pill input:checked::before {
  transform: translateX(12px);
  background: #111315;
}

.timecode {
  min-width: 112px;
  display: inline-flex;
  align-items: baseline;
  justify-content: flex-end;
  gap: 6px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
}

.timecode span:first-child {
  color: var(--white);
}

.timecode em {
  font-style: normal;
  color: var(--muted-2);
}

.workspace {
  height: calc(100vh - 72px);
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr) 340px;
  gap: 1px;
  background: var(--line);
}

.panel {
  background: rgba(17, 19, 21, 0.94);
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.panel-heading {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.panel-heading h1,
.preview-toolbar h2 {
  margin: 4px 0 0;
  font-size: 22px;
  line-height: 1;
  letter-spacing: -0.04em;
}

.eyebrow {
  display: inline-flex;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.count-chip {
  min-width: 34px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 9px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
}

.component-list {
  padding: 16px;
  display: grid;
  gap: 12px;
  overflow: auto;
}

.component-card {
  width: 100%;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #151515, #0d0d0d);
  border-radius: 16px;
  padding: 10px;
  cursor: pointer;
  text-align: left;
  display: grid;
  gap: 10px;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.component-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-1px);
}

.component-card.active {
  border-color: rgba(255, 255, 255, 0.62);
  background: linear-gradient(180deg, #1d1d1d, #101010);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08), 0 18px 40px rgba(0, 0, 0, 0.26);
}

.thumb-viewport {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 11px;
  background: #050505;
  border: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
}

.thumb-stage {
  width: 1920px;
  height: 1080px;
  transform-origin: top left;
  position: absolute;
  left: 0;
  top: 0;
  pointer-events: none;
}

.component-meta {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.component-meta strong {
  display: block;
  font-size: 14px;
  letter-spacing: -0.01em;
}

.component-meta small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.45;
}

.component-index {
  color: var(--muted-2);
  font-family: var(--mono);
  font-size: 11px;
}

.preview-panel {
  min-width: 0;
  min-height: 0;
  background: #101316;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
}

.preview-toolbar {
  min-height: 76px;
  padding: 16px 20px 14px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: rgba(17, 19, 21, 0.88);
}

.toolbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.fit-label {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.canvas-viewport {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 50%, rgba(55, 210, 180, 0.06), transparent 42%),
    linear-gradient(45deg, rgba(255, 255, 255, 0.025) 25%, transparent 25%, transparent 75%, rgba(255, 255, 255, 0.025) 75%),
    linear-gradient(45deg, rgba(255, 255, 255, 0.025) 25%, transparent 25%, transparent 75%, rgba(255, 255, 255, 0.025) 75%),
    #0f1215;
  background-position: 0 0, 0 0, 12px 12px;
  background-size: auto, 24px 24px, 24px 24px;
}

.stage-scale {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 1920px;
  height: 1080px;
  transform-origin: center center;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.16), 0 42px 120px rgba(0, 0, 0, 0.55);
}

.stage {
  position: absolute;
  inset: 0;
  overflow: hidden;
  width: 1920px;
  height: 1080px;
  background: #050505;
}

.stage.theme-dark {
  background: #111315;
  color: var(--text);
}

.stage.theme-light {
  background: #f2f2f2;
  color: #101010;
}

.stage-guides {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 1;
  transition: opacity 160ms ease;
}

.stage-guides.hidden {
  opacity: 0;
}

.guide {
  position: absolute;
  background: rgba(255, 255, 255, 0.14);
}

.stage.theme-light + .stage-guides .guide,
.stage-guides.on-light .guide {
  background: rgba(0, 0, 0, 0.16);
}

.guide.v {
  top: 0;
  bottom: 0;
  width: 1px;
}

.guide.h {
  left: 0;
  right: 0;
  height: 1px;
}

.guide.v.third-a { left: 33.333%; }
.guide.v.third-b { left: 66.666%; }
.guide.h.third-a { top: 33.333%; }
.guide.h.third-b { top: 66.666%; }

.guide.center-x {
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(255, 255, 255, 0.22);
}

.guide.center-y {
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.22);
}

.safe-area {
  position: absolute;
  inset: 54px 96px;
  border: 1px dashed rgba(255, 255, 255, 0.2);
}

.timeline-bar {
  height: 190px;
  min-height: 190px;
  max-height: 190px;
  padding: 10px 20px 12px;
  border-top: 1px solid var(--line);
  background: rgba(10, 10, 10, 0.92);
  overflow: hidden;
}

.inspector-form {
  padding: 18px;
  overflow: auto;
  display: grid;
  gap: 18px;
}

.field-group {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.015));
  padding: 14px;
  display: grid;
  gap: 12px;
}

.playback-group {
  display: grid;
  gap: 12px;
}

.field-group > legend,
.group-title {
  color: var(--white);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-family: var(--mono);
  margin-bottom: 2px;
}

.field {
  display: grid;
  gap: 7px;
}

.field.inline {
  grid-template-columns: 1fr auto;
  align-items: center;
}

.field label {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.03em;
}

.field .value-readout {
  color: var(--white);
  font-family: var(--mono);
  font-size: 11px;
}

.field input[type="text"],
.field input[type="number"],
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: #0b0b0b;
  color: var(--text);
  border-radius: 10px;
  padding: 10px 11px;
  outline: none;
  transition: border-color 160ms ease, background 160ms ease;
}

.field textarea {
  min-height: 92px;
  resize: vertical;
  line-height: 1.55;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: rgba(255, 255, 255, 0.48);
  background: #111;
}

.field input[type="range"] {
  width: 100%;
  appearance: none;
  height: 4px;
  border-radius: 999px;
  background: #2b2b2b;
  outline: none;
}

.field input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #f5f5f5;
  border: 3px solid #0a0a0a;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.35);
  cursor: pointer;
}

.switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 12px;
}

.switch-row input {
  appearance: none;
  width: 36px;
  height: 20px;
  border-radius: 999px;
  background: #2b2b2b;
  border: 1px solid var(--line);
  position: relative;
  cursor: pointer;
}

.switch-row input::before {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #777;
  left: 2px;
  top: 2px;
  transition: transform 160ms ease, background 160ms ease;
}

.switch-row input:checked {
  background: #e8e8e8;
  border-color: #e8e8e8;
}

.switch-row input:checked::before {
  transform: translateX(16px);
  background: #050505;
}

/* Shared scene atoms */
.scene {
  --fg: #f5f5f5;
  --muted: rgba(245, 245, 245, 0.58);
  --faint: rgba(245, 245, 245, 0.24);
  --line: rgba(245, 245, 245, 0.16);
  --panel: rgba(245, 245, 245, 0.055);
  --inverse: #050505;
  position: absolute;
  inset: 0;
  overflow: hidden;
  background: #050505;
  color: var(--fg);
  font-family: var(--sans);
}

.stage.theme-light .scene {
  --fg: #111111;
  --muted: rgba(17, 17, 17, 0.58);
  --faint: rgba(17, 17, 17, 0.22);
  --line: rgba(17, 17, 17, 0.16);
  --panel: rgba(17, 17, 17, 0.05);
  --inverse: #f5f5f5;
  background: #f2f2f2;
}

.scene * {
  box-sizing: border-box;
}

.mono {
  font-family: var(--mono);
}

/* MetricFocus */
.scene-metric {
  background:
    radial-gradient(circle at 50% 46%, rgba(255, 255, 255, 0.1), transparent 28rem),
    linear-gradient(90deg, transparent 0 49.8%, rgba(255, 255, 255, 0.12) 49.8% 50.2%, transparent 50.2%),
    #050505;
}

.stage.theme-light .scene-metric {
  background:
    radial-gradient(circle at 50% 46%, rgba(0, 0, 0, 0.08), transparent 28rem),
    linear-gradient(90deg, transparent 0 49.8%, rgba(0, 0, 0, 0.1) 49.8% 50.2%, transparent 50.2%),
    #f2f2f2;
}

.metric-grid {
  position: absolute;
  inset: 0;
  opacity: 0.56;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 120px 120px;
  mask-image: radial-gradient(circle at 50% 50%, black, transparent 74%);
}

.metric-frame {
  position: absolute;
  inset: 54px 96px;
  border: 1px solid var(--line);
}

.metric-corner {
  position: absolute;
  width: 42px;
  height: 42px;
  border-color: var(--fg);
  opacity: 0.88;
}

.metric-corner.tl { left: -1px; top: -1px; border-left: 2px solid; border-top: 2px solid; }
.metric-corner.tr { right: -1px; top: -1px; border-right: 2px solid; border-top: 2px solid; }
.metric-corner.bl { left: -1px; bottom: -1px; border-left: 2px solid; border-bottom: 2px solid; }
.metric-corner.br { right: -1px; bottom: -1px; border-right: 2px solid; border-bottom: 2px solid; }

.metric-kicker {
  position: absolute;
  left: 140px;
  top: 108px;
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 24px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.metric-kicker::before {
  content: "";
  width: 72px;
  height: 1px;
  background: var(--fg);
}

.metric-main {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  text-align: center;
}

.metric-core {
  position: relative;
  width: 1040px;
  height: 620px;
  display: grid;
  place-items: center;
}

.metric-ring {
  position: absolute;
  width: 560px;
  height: 560px;
  transform: rotate(-90deg);
  opacity: 0.9;
}

.metric-ring circle {
  fill: none;
  stroke: var(--line);
  stroke-width: 2;
}

.metric-ring .progress {
  stroke: var(--fg);
  stroke-width: 5;
  stroke-linecap: square;
  stroke-dasharray: 1727;
  stroke-dashoffset: 1727;
}

.metric-label {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 28px;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.metric-number-row {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 28px;
  line-height: 0.86;
}

.metric-number {
  font-size: var(--number-size, 248px);
  font-weight: 760;
  letter-spacing: -0.085em;
  font-variant-numeric: tabular-nums;
  text-shadow: 0 0 44px rgba(255, 255, 255, 0.16);
}

.stage.theme-light .metric-number {
  text-shadow: 0 0 44px rgba(0, 0, 0, 0.12);
}

.metric-suffix {
  font-size: 58px;
  color: var(--muted);
  font-weight: 650;
  letter-spacing: -0.04em;
}

.metric-delta {
  margin: 34px auto 0;
  width: max-content;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--line-strong);
  background: var(--panel);
  padding: 13px 20px;
  border-radius: 999px;
  color: var(--fg);
  font-family: var(--mono);
  font-size: 24px;
  letter-spacing: 0.08em;
}

.metric-delta::before {
  content: "";
  width: 10px;
  height: 10px;
  background: var(--fg);
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
}

.metric-sub {
  position: absolute;
  left: 140px;
  right: 140px;
  bottom: 112px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}

.metric-sub-item {
  padding: 26px 28px 0;
  min-height: 108px;
  border-left: 1px solid var(--line);
}

.metric-sub-item:first-child {
  border-left: 0;
}

.metric-sub-item small {
  display: block;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 18px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.metric-sub-item strong {
  display: block;
  margin-top: 12px;
  font-size: 34px;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}

.metric-scan {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--fg), transparent);
  opacity: 0.42;
  transform: translateY(-20px);
}

/* CompareSplit */
.scene-compare {
  background: #050505;
}

.stage.theme-light .scene-compare {
  background: #f2f2f2;
}

.compare-title {
  position: absolute;
  left: 110px;
  top: 78px;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--fg);
  font-family: var(--mono);
  font-size: 24px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.compare-title::before {
  content: "";
  width: 16px;
  height: 16px;
  border: 1px solid var(--fg);
  box-shadow: 8px 8px 0 var(--panel);
}

.compare-board {
  position: absolute;
  inset: 150px 108px 108px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--line);
  border: 1px solid var(--line);
}

.compare-side {
  position: relative;
  overflow: hidden;
  padding: 74px 78px;
}

.compare-side.left {
  background: #0b0b0b;
  color: #f5f5f5;
}

.compare-side.right {
  background: #efefef;
  color: #111;
}

.stage.theme-light .compare-side.left {
  background: #111;
  color: #f5f5f5;
}

.stage.theme-light .compare-side.right {
  background: #fafafa;
  color: #101010;
}

.compare-side::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.24;
  background-image: linear-gradient(currentColor 1px, transparent 1px), linear-gradient(90deg, currentColor 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: linear-gradient(180deg, transparent, black 22%, black 72%, transparent);
}

.compare-label {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: inherit;
  opacity: 0.72;
  font-family: var(--mono);
  font-size: 22px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.compare-value {
  position: relative;
  margin-top: 58px;
  font-size: 176px;
  line-height: 0.9;
  font-weight: 760;
  letter-spacing: -0.075em;
  font-variant-numeric: tabular-nums;
}

.compare-value small {
  font-size: 42px;
  opacity: 0.54;
  letter-spacing: -0.03em;
}

.compare-note {
  position: relative;
  margin-top: 24px;
  color: inherit;
  opacity: 0.58;
  font-size: 24px;
  line-height: 1.45;
  max-width: 520px;
}

.compare-rows {
  position: absolute;
  left: 78px;
  right: 78px;
  bottom: 68px;
  display: grid;
  gap: 22px;
}

.compare-row {
  display: grid;
  grid-template-columns: 170px 1fr 74px;
  align-items: center;
  gap: 18px;
  font-family: var(--mono);
  font-size: 17px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.78;
}

.compare-bar {
  height: 7px;
  background: currentColor;
  opacity: 0.18;
  position: relative;
  overflow: hidden;
}

.compare-bar i {
  position: absolute;
  inset: 0;
  background: currentColor;
  opacity: 1;
  transform-origin: left center;
}

.compare-divider {
  position: absolute;
  top: 150px;
  bottom: 108px;
  left: var(--split, 50%);
  z-index: 6;
  width: 2px;
  background: var(--fg);
  box-shadow: 0 0 34px rgba(255, 255, 255, 0.22);
}

.compare-divider::before,
.compare-divider::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 18px;
  border: 2px solid var(--fg);
  background: #050505;
}

.compare-divider::before { top: 18%; }
.compare-divider::after { bottom: 18%; }

.stage.theme-light .compare-divider::before,
.stage.theme-light .compare-divider::after {
  background: #f2f2f2;
}

.compare-verdict {
  position: absolute;
  left: 50%;
  bottom: 74px;
  z-index: 8;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 14px;
  border: 1px solid var(--line-strong);
  background: rgba(5, 5, 5, 0.78);
  color: #f5f5f5;
  border-radius: 999px;
  padding: 15px 22px;
  font-family: var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 18px;
  backdrop-filter: blur(12px);
}

.stage.theme-light .compare-verdict {
  background: rgba(245, 245, 245, 0.84);
  color: #111;
}

.compare-verdict::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: currentColor;
}

/* QuoteLockup */
.scene-quote {
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.08), transparent 34rem),
    #050505;
}

.stage.theme-light .scene-quote {
  background:
    radial-gradient(circle at 50% 0%, rgba(0, 0, 0, 0.06), transparent 34rem),
    #f2f2f2;
}

.quote-noise {
  position: absolute;
  inset: 0;
  opacity: 0.34;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at 50% 50%, black, transparent 76%);
}

.quote-card {
  position: relative;
  width: 1380px;
  min-height: 720px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel), transparent 72%);
  padding: 104px 128px 92px;
  text-align: var(--quote-align, left);
}

.quote-card.align-center {
  text-align: center;
}

.quote-corner {
  position: absolute;
  width: 54px;
  height: 54px;
  border-color: var(--fg);
  opacity: 0.9;
}

.quote-corner.tl { left: -1px; top: -1px; border-left: 2px solid; border-top: 2px solid; }
.quote-corner.tr { right: -1px; top: -1px; border-right: 2px solid; border-top: 2px solid; }
.quote-corner.bl { left: -1px; bottom: -1px; border-left: 2px solid; border-bottom: 2px solid; }
.quote-corner.br { right: -1px; bottom: -1px; border-right: 2px solid; border-bottom: 2px solid; }

.quote-kicker {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 22px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.quote-card.align-center .quote-kicker {
  justify-content: center;
}

.quote-kicker::before,
.quote-card.align-center .quote-kicker::after {
  content: "";
  width: 54px;
  height: 1px;
  background: var(--fg);
}

.quote-mark {
  position: absolute;
  right: 92px;
  top: 42px;
  font-size: 220px;
  line-height: 1;
  color: var(--faint);
  font-family: Georgia, serif;
}

.quote-lines {
  margin-top: 72px;
  display: grid;
  gap: 16px;
}

.quote-line {
  overflow: hidden;
  font-size: 74px;
  line-height: 1.12;
  font-weight: 720;
  letter-spacing: -0.055em;
}

.quote-line span {
  display: inline-block;
  will-change: transform;
}

.quote-author {
  margin-top: 74px;
  display: flex;
  align-items: center;
  gap: 22px;
}

.quote-card.align-center .quote-author {
  justify-content: center;
}

.quote-avatar {
  width: 64px;
  height: 64px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--fg);
  font-family: var(--mono);
  font-size: 20px;
  background: var(--panel);
}

.quote-author strong {
  display: block;
  font-size: 28px;
  letter-spacing: -0.02em;
}

.quote-author small {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 17px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.quote-lock {
  position: absolute;
  left: 128px;
  right: 128px;
  bottom: 76px;
  height: 1px;
  background: var(--line);
  transform-origin: left center;
}

@media (max-width: 1180px) {
  .workspace {
    grid-template-columns: 260px minmax(0, 1fr) 300px;
  }

  .metric-number {
    font-size: var(--number-size, 210px);
  }
}

/* Phase 01.5 · canvas format / safe area / reference video */
.control-button.compact {
  min-width: auto;
  padding: 8px 12px;
}

.control-button.ghost {
  background: transparent;
  color: var(--muted);
}

.ratio-select {
  border: 1px solid var(--line);
  background: #111;
  color: var(--text);
  border-radius: 999px;
  padding: 8px 10px;
  font-size: 12px;
  outline: none;
}

.reference-video {
  position: absolute;
  inset: 0;
  width: 1920px;
  height: 1080px;
  object-fit: cover;
  display: none;
  filter: none;
}

.person-safe {
  position: absolute;
  inset: 0;
  pointer-events: none;
  display: grid;
  place-items: center;
}

.person-safe.hidden {
  display: none;
}

.person-safe-core {
  width: 26%;
  height: 62%;
  border: 1px solid rgba(255, 255, 255, 0.52);
  border-radius: 50% 50% 46% 46%;
  box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.08), inset 0 0 0 1px rgba(255, 255, 255, 0.12);
}

.stage-scale[data-format="portrait"] .person-safe-core {
  width: 54%;
  height: 30%;
}

.person-safe-label {
  position: absolute;
  top: 8%;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.62);
}

.stage-scale[data-format="portrait"] .person-safe-label {
  top: auto;
  bottom: 8%;
}

.person-safe.preset-thirds .person-safe-core {
  width: 32%;
  height: 70%;
  border-radius: 14px;
}

.stage.has-video {
  background: transparent;
}

.stage.has-video .scene,
.stage.has-video .scene-metric,
.stage.has-video .scene-compare,
.stage.has-video .scene-quote {
  background: transparent !important;
}

.stage.has-video .metric-grid,
.stage.has-video .quote-noise,
.stage.has-video .compare-side::before {
  opacity: 0.18;
}

.button-row {
  display: flex;
  gap: 8px;
}

.video-name {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.5;
}

.compare-gap {
  display: block;
}

/* Portrait canvas adaptations */
.scene.format-portrait .metric-frame {
  inset: 120px 60px;
}

.scene.format-portrait .metric-kicker {
  left: 70px;
  top: 150px;
  font-size: 20px;
}

.scene.format-portrait .metric-core {
  width: 860px;
  height: 640px;
}

.scene.format-portrait .metric-ring {
  width: 430px;
  height: 430px;
}

.scene.format-portrait .metric-number {
  font-size: calc(var(--number-size, 248px) * 0.72);
}

.scene.format-portrait .metric-sub {
  left: 70px;
  right: 70px;
  bottom: 150px;
}

.scene-compare.format-portrait .compare-title {
  left: 60px;
  top: 70px;
  font-size: 20px;
}

.scene-compare.format-portrait .compare-board {
  inset: 140px 60px 120px;
  grid-template-columns: 1fr;
}

.scene-compare.format-portrait .compare-side {
  padding: 44px 52px;
}

.scene-compare.format-portrait .compare-value {
  margin-top: 26px;
}

.scene-compare.format-portrait .compare-note {
  max-width: none;
  font-size: 20px;
}

.scene-compare.format-portrait .compare-rows {
  position: static;
  left: auto;
  right: auto;
  bottom: auto;
  margin-top: 28px;
}

.scene-compare.format-portrait .compare-row {
  grid-template-columns: 130px 1fr 56px;
  font-size: 14px;
}

.scene-compare.format-portrait .compare-divider {
  left: 60px;
  right: 60px;
  top: 50%;
  bottom: auto;
  width: auto;
  height: 2px;
  transform-origin: left center;
}

.scene-compare.format-portrait .compare-divider::before,
.scene-compare.format-portrait .compare-divider::after {
  left: 18%;
  top: 50%;
  transform: translateY(-50%);
}

.scene-compare.format-portrait .compare-divider::after {
  left: 82%;
}

.scene-quote.format-portrait .quote-card {
  width: min(920px, calc(100% - 120px)) !important;
  min-height: 560px;
  padding: 72px 70px;
}

.scene-quote.format-portrait .quote-mark {
  right: 54px;
  top: 24px;
  font-size: 150px;
}

.scene-quote.format-portrait .quote-author {
  margin-top: 46px;
}

/* Keep the center person area clear when safeMode = edges */
.scene.safe-edges.format-landscape .metric-main {
  place-items: center start;
  padding-left: 150px;
  text-align: left;
}

.scene.safe-edges.format-landscape .metric-core {
  width: 680px;
  height: 560px;
  place-items: center start;
}

.scene.safe-edges.format-landscape .metric-ring {
  left: -170px;
  width: 440px;
  height: 440px;
}

.scene.safe-edges.format-landscape .metric-number {
  font-size: calc(var(--number-size, 248px) * 0.66);
}

.scene.safe-edges.format-landscape .metric-sub {
  left: auto;
  right: 130px;
  top: 240px;
  bottom: auto;
  width: 520px;
  grid-template-columns: 1fr;
  border-top: 0;
  border-left: 1px solid var(--line);
}

.scene.safe-edges.format-landscape .metric-sub-item {
  min-height: auto;
  padding: 18px 0 0;
  border-left: 0;
  border-top: 1px solid var(--line);
}

.scene.safe-edges.format-portrait .metric-main {
  place-items: start center;
  padding-top: 170px;
}

.scene.safe-edges.format-portrait .metric-core {
  width: 840px;
  height: 500px;
}

.scene.safe-edges.format-portrait .metric-ring {
  width: 360px;
  height: 360px;
}

.scene.safe-edges.format-portrait .metric-sub {
  bottom: 170px;
}

.scene-quote.safe-edges.format-landscape {
  place-items: center start;
  padding-left: 150px;
}

.scene-quote.safe-edges.format-landscape .quote-card {
  width: 820px !important;
  min-height: 620px;
  padding: 84px;
}

.scene-quote.safe-edges.format-portrait {
  place-items: start center;
  padding-top: 150px;
}

.scene-quote.safe-edges.format-portrait .quote-card {
  min-height: 520px;
}

/* Phase 02 · multi-effect card canvas */
.stage {
  pointer-events: none;
  background: transparent;
}

.reference-video { z-index: 0; }
.stage { z-index: 1; }
.stage-guides { z-index: 3; }
.person-safe { z-index: 4; }

.stage-scale.is-paused .fx-stage * {
  animation-play-state: paused !important;
}

.component-list {
  display: block;
  padding: 12px;
}

.library-category-tabs {
  position: sticky;
  top: -12px;
  z-index: 12;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 8px 0 10px;
  margin-bottom: 4px;
  background: rgba(17, 19, 21, 0.96);
  scrollbar-width: none;
}

.library-category-tabs::-webkit-scrollbar {
  display: none;
}

.library-category-tab {
  flex: 0 0 auto;
  height: 28px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(32, 38, 43, 0.72);
  color: var(--muted);
  padding: 0 10px;
  cursor: pointer;
  font-size: 11px;
  white-space: nowrap;
}

.library-category-tab.active {
  border-color: rgba(243, 240, 232, 0.74);
  background: var(--white);
  color: #111315;
  font-weight: 800;
}

.library-category-section {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.library-category-title {
  margin: 4px 2px 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.library-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.fx-lib-card {
  position: relative;
  display: grid;
  gap: 7px;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: linear-gradient(180deg, rgba(32, 38, 43, 0.92), rgba(18, 21, 24, 0.96));
  cursor: pointer;
  transition: border-color 160ms ease, transform 160ms ease, background 160ms ease;
}

.fx-lib-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-1px);
}

.fx-lib-import {
  position: absolute;
  z-index: 5;
  right: 8px;
  top: 8px;
  height: 28px;
  border: 1px solid rgba(243, 240, 232, 0.76);
  border-radius: 999px;
  background: var(--white);
  color: #111315;
  cursor: pointer;
  font-size: 11px;
  font-weight: 850;
  opacity: 0;
  padding: 0 12px;
  transform: translateY(-4px);
  transition: opacity 140ms ease, transform 140ms ease;
}

.fx-lib-card:hover .fx-lib-import,
.fx-lib-card:focus-within .fx-lib-import {
  opacity: 1;
  transform: translateY(0);
}

.fx-lib-preview {
  aspect-ratio: 16 / 9;
  min-height: 96px;
  border-radius: 9px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at 50% 38%, rgba(55, 210, 180, 0.16), transparent 42%),
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    #191d21;
  background-size: auto, 26px 26px, 26px 26px, auto;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.fx-lib-preview-fit {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 430px;
  height: 250px;
  display: grid;
  place-items: center;
  overflow: visible;
  pointer-events: none;
  transform: translate(-50%, -50%) scale(var(--lib-preview-scale, 0.42));
  transform-origin: center;
}

.fx-lib-preview-fit .fx-art {
  max-width: 100%;
}

.fx-lib-meta {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.fx-lib-meta strong {
  font-size: 12px;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.fx-lib-meta small {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.canvas-card {
  position: absolute;
  overflow: visible;
  cursor: move;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  pointer-events: auto;
  opacity: var(--card-phase-opacity, 1);
  transform: var(--card-phase-transform, none);
  filter: var(--card-phase-filter, blur(0px));
  transition: none;
  will-change: opacity, transform, filter;
}

.canvas-card[hidden] {
  display: none !important;
}

.canvas-card.selected {
  filter: var(--card-phase-filter, blur(0px)) drop-shadow(0 10px 26px rgba(0, 0, 0, 0.34)) drop-shadow(0 0 16px rgba(55, 210, 180, 0.18));
}

.canvas-card.is-exiting {
  pointer-events: none;
}

.canvas-card.out-of-range {
  pointer-events: none;
}

.canvas-card.dragging {
  user-select: none;
}

.canvas-card-close {
  position: absolute;
  right: -30px;
  top: -30px;
  z-index: 10;
  width: 60px;
  height: 60px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
  background: rgba(17, 19, 21, 0.82);
  backdrop-filter: blur(12px);
  color: rgba(255, 255, 255, 0.82);
  cursor: pointer;
  font-size: 42px;
  line-height: 1;
  opacity: 0;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.24);
  transition: opacity 140ms ease, background 140ms ease, border-color 140ms ease, transform 140ms ease;
}

.canvas-card:hover .canvas-card-close,
.canvas-card.selected .canvas-card-close {
  opacity: 1;
}

.canvas-card-close:hover {
  border-color: rgba(243, 240, 232, 0.58);
  background: rgba(32, 38, 43, 0.92);
  transform: scale(1.06);
}

.canvas-card-body {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: visible;
  background: transparent !important;
  border: 0 !important;
}

.canvas-card-body.fx-stage {
  overflow: visible;
}

.canvas-card[data-render-mode="overlay"] .legacy-stage .scene,
.canvas-card[data-render-mode="overlay"] .legacy-stage .scene-metric,
.canvas-card[data-render-mode="overlay"] .legacy-stage .scene-compare,
.canvas-card[data-render-mode="overlay"] .legacy-stage .scene-quote {
  background: transparent !important;
}

.canvas-card[data-render-mode="overlay"] .legacy-stage .metric-grid,
.canvas-card[data-render-mode="overlay"] .legacy-stage .quote-noise,
.canvas-card[data-render-mode="overlay"] .legacy-stage .compare-side::before {
  opacity: 0 !important;
}

.canvas-card[data-render-mode="full-frame"] .canvas-card-body.fx-stage {
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 38%, rgba(55, 210, 180, 0.14), transparent 42%),
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    #191d21 !important;
  background-size: auto, 26px 26px, 26px 26px, auto !important;
}

.canvas-card .canvas-card-body.fx-stage *,
.canvas-card .canvas-card-body.fx-stage *::before,
.canvas-card .canvas-card-body.fx-stage *::after {
  animation-play-state: paused !important;
}

.canvas-card-content {
  position: absolute;
  left: 50%;
  top: 50%;
  width: var(--card-base-width, 430px);
  height: var(--card-base-height, 250px);
  overflow: visible;
  display: grid;
  place-items: center;
  transform: translate(-50%, -50%) scale(var(--card-scale, 1));
  transform-origin: center;
  pointer-events: none;
}

.canvas-card-content .fx-art {
  overflow: visible;
}

.canvas-card[data-font-applied="true"] .canvas-card-body.fx-stage,
.canvas-card[data-font-applied="true"] .canvas-card-body.fx-stage *,
.canvas-card[data-font-applied="true"] .legacy-stage,
.canvas-card[data-font-applied="true"] .legacy-stage * {
  font-family: var(--card-font-family) !important;
}

.resize-handle {
  position: absolute;
  right: -30px;
  bottom: -30px;
  z-index: 9;
  width: 60px;
  height: 60px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  background: rgba(17, 19, 21, 0.78);
  cursor: nwse-resize;
  opacity: 0;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.22);
  transition: opacity 140ms ease, transform 140ms ease, background 140ms ease, border-color 140ms ease;
}

.resize-handle::before {
  content: "";
  position: absolute;
  right: 17px;
  bottom: 17px;
  width: 22px;
  height: 22px;
  border-right: 3px solid #fff;
  border-bottom: 3px solid #fff;
}

.canvas-card:hover .resize-handle,
.canvas-card.selected .resize-handle {
  opacity: 1;
}

.resize-handle:hover {
  border-color: rgba(243, 240, 232, 0.68);
  background: rgba(32, 38, 43, 0.92);
  transform: scale(1.06);
}

.legacy-stage {
  position: absolute;
  left: 0;
  top: 0;
  width: 1920px;
  height: 1080px;
  overflow: hidden;
  transform-origin: top left;
}

.canvas-card-body .legacy-stage {
  transform: scale(0.22);
}

.fx-lib-preview .legacy-stage {
  transform: scale(0.224);
}

.track-block.video-block {
  background: linear-gradient(90deg, rgba(243, 240, 232, 0.74), rgba(174, 180, 185, 0.34));
}


.timeline-bar {
  display: grid;
  grid-template-rows: 28px minmax(0, 1fr);
  gap: 4px;
}

.timeline-toolbar {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.timeline-zoom-controls {
  display: flex;
  align-items: center;
  gap: 7px;
}

.timeline-icon-button {
  width: 26px;
  height: 26px;
  flex: 0 0 26px;
  display: inline-grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.045);
  color: var(--muted);
  cursor: pointer;
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1;
}

.timeline-icon-button:hover {
  border-color: rgba(243, 240, 232, 0.4);
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
}

.timeline-zoom-controls input[type="range"] {
  width: 128px;
  accent-color: #37d2b4;
  cursor: ew-resize;
}

.timeline-zoom-value {
  width: 58px;
  color: var(--muted-2);
  font-family: var(--mono);
  font-size: 9px;
  text-align: right;
}

.tracks {
  --timeline-width: 760px;
  --timeline-track-width: var(--timeline-width);
  --timeline-grid-size: 42px;
  --timeline-content-height: 100%;
  --playhead-x: 0px;
  position: relative;
  min-height: 0;
  overflow-x: auto;
  overflow-y: auto;
  padding: 6px 2px 12px;
  scrollbar-gutter: stable both-edges;
  cursor: col-resize;
}

.tracks::before {
  content: "";
  position: absolute;
  top: 22px;
  left: calc(126px + var(--playhead-x));
  z-index: 9;
  width: 1px;
  height: calc(var(--timeline-content-height, 100%) - 34px);
  background: rgba(243, 240, 232, 0.76);
  pointer-events: none;
}

.tracks::after {
  content: "";
  position: absolute;
  top: 18px;
  left: calc(126px + var(--playhead-x) - 4px);
  z-index: 10;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--white);
  box-shadow: 0 0 0 2px rgba(17, 19, 21, 0.88);
  pointer-events: none;
}

.tracks.scrubbing::before {
  background: rgba(243, 240, 232, 0.96);
}

.tracks.scrubbing::after {
  transform: scale(1.14);
}

.track-ruler {
  display: grid;
  grid-template-columns: 116px var(--timeline-track-width);
  align-items: center;
  gap: 10px;
  width: calc(126px + var(--timeline-track-width));
  min-width: 100%;
  padding: 0 8px 6px 0;
  color: var(--muted-2);
  font-family: var(--mono);
  font-size: 10px;
}

.track-ruler-label {
  position: sticky;
  left: 0;
  z-index: 8;
  padding-left: 8px;
  background: rgba(17, 19, 21, 0.96);
  letter-spacing: 0.12em;
}

.track-ruler-scale {
  position: relative;
  height: 16px;
  min-width: 0;
}

.timeline-tick {
  position: absolute;
  top: 0;
  padding-top: 1px;
  color: var(--muted-2);
  line-height: 1;
  transform: translateX(-50%);
  white-space: nowrap;
}

.timeline-tick::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 12px;
  width: 1px;
  height: 5px;
  background: rgba(255, 255, 255, 0.18);
}

.timeline-tick[data-edge="start"] {
  transform: none;
}

.timeline-tick[data-edge="start"]::before {
  left: 0;
}

.timeline-tick[data-edge="end"] {
  transform: translateX(-100%);
}

.timeline-tick[data-edge="end"]::before {
  left: 100%;
}

.track-row {
  display: grid;
  grid-template-columns: 116px var(--timeline-track-width);
  align-items: start;
  gap: 10px;
  width: calc(126px + var(--timeline-track-width));
  min-width: 100%;
  min-height: 34px;
  padding-right: 8px;
}

.track-row + .track-row {
  margin-top: 8px;
}

.effect-row.has-selection .track-label-group {
  border-color: rgba(243, 240, 232, 0.42);
  color: var(--white);
}

.track-label {
  position: sticky;
  left: 0;
  z-index: 8;
  height: 30px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(17, 19, 21, 0.96);
  backdrop-filter: blur(10px);
  color: var(--muted);
  cursor: pointer;
  font-size: 11px;
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 0 10px;
}

.track-lane {
  position: relative;
  height: 30px;
  overflow: hidden;
  border-radius: 8px;
  background:
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.045) 0 1px, transparent 1px var(--timeline-grid-size)),
    rgba(255, 255, 255, 0.055);
}

.effect-row {
  --lane-count: 1;
}

.effect-row .track-label {
  margin-top: 3px;
}

.effect-lane {
  height: calc(var(--lane-count, 1) * 34px + 2px);
  overflow: visible;
}

.track-block {
  position: absolute;
  top: 4px;
  height: 22px;
  min-width: 14px;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--clip-color, #37d2b4), #6f757a);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.16), 0 8px 18px rgba(0, 0, 0, 0.18);
  cursor: grab;
  overflow: hidden;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 14px 0 10px;
  color: #071410;
  font-size: 11px;
  font-weight: 850;
  user-select: none;
  touch-action: none;
}

.effect-block {
  top: calc(4px + var(--lane, 0) * 34px);
  height: 28px;
}

.effect-block.selected {
  outline: 2px solid rgba(243, 240, 232, 0.84);
  outline-offset: 2px;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.22),
    0 0 0 3px rgba(55, 210, 180, 0.18),
    0 10px 22px rgba(0, 0, 0, 0.24);
}

.effect-block.dragging {
  outline-color: rgba(243, 240, 232, 0.96);
  transform: translateY(-1px);
  z-index: 7;
}

.track-block-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.track-block-time {
  margin-left: auto;
  flex: 0 0 auto;
  color: rgba(7, 20, 16, 0.62);
  font-family: var(--mono);
  font-size: 9px;
}

.track-block:active {
  cursor: grabbing;
}

.track-resize {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 12px;
  border-right: 2px solid rgba(7, 20, 16, 0.58);
  cursor: ew-resize;
}

.inspector-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.field.inline input[type="number"] {
  width: 92px;
}

.selected-effect-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.selected-effect-title strong {
  font-size: 15px;
}

.inspector-subtitle {
  margin: 4px 0 -2px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.inspector-empty {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}

@media (max-width: 1180px) {
  .tracks::before {
    left: calc(106px + var(--playhead-x));
  }

  .tracks::after {
    left: calc(106px + var(--playhead-x) - 4px);
  }

  .track-ruler,
  .track-row {
    grid-template-columns: 96px var(--timeline-track-width);
    width: calc(106px + var(--timeline-track-width));
  }

  .track-label {
    padding-inline: 8px;
  }
}

/* Studio density pass: zh-CN should feel larger but not crowded; en should breathe. */
:root:lang(zh-CN) body,
:root:lang(zh-CN) button,
:root:lang(zh-CN) input,
:root:lang(zh-CN) select,
:root:lang(zh-CN) textarea {
  letter-spacing: 0.01em;
}

:root:lang(en) body,
:root:lang(en) button,
:root:lang(en) input,
:root:lang(en) select,
:root:lang(en) textarea {
  letter-spacing: 0.015em;
}

.workspace {
  grid-template-columns: 320px minmax(0, 1fr) 360px;
}

.topbar {
  padding: 0 24px;
}

.brand {
  min-width: 220px;
}

.brand-copy small {
  line-height: 1.45;
}

.control-button,
.toggle-pill,
.ratio-select {
  line-height: 1.25;
}

:root:lang(zh-CN) .control-button,
:root:lang(zh-CN) .toggle-pill,
:root:lang(zh-CN) .ratio-select {
  letter-spacing: 0.02em;
}

:root:lang(en) .control-button,
:root:lang(en) .toggle-pill,
:root:lang(en) .ratio-select {
  letter-spacing: 0.045em;
}

.panel-heading {
  padding: 18px 18px 14px;
}

.panel-heading h1,
.preview-toolbar h2 {
  font-size: 20px;
  line-height: 1.1;
}

:root:lang(zh-CN) .panel-heading h1,
:root:lang(zh-CN) .preview-toolbar h2 {
  letter-spacing: -0.018em;
}

:root:lang(en) .panel-heading h1,
:root:lang(en) .preview-toolbar h2 {
  letter-spacing: -0.032em;
}

.eyebrow {
  line-height: 1.5;
}

.component-list {
  padding: 14px;
}

.library-category-tabs {
  gap: 7px;
  padding: 9px 0 11px;
}

.library-category-tab {
  height: 30px;
  padding: 0 12px;
  line-height: 1.2;
}

.library-category-section {
  gap: 10px;
  margin-bottom: 18px;
}

.library-grid {
  gap: 9px;
}

.fx-lib-card {
  gap: 8px;
  padding: 8px;
  border-radius: 14px;
}

.fx-lib-preview {
  min-height: 104px;
  border-radius: 10px;
}

.fx-lib-meta strong {
  font-size: 12px;
  line-height: 1.35;
}

.fx-lib-meta small {
  line-height: 1.4;
}

.fx-lib-import {
  height: 27px;
  padding: 0 11px;
}

.preview-toolbar {
  min-height: 78px;
  padding: 16px 22px 15px;
}

.toolbar-right {
  gap: 10px;
}

.inspector-form {
  padding: 16px;
  gap: 16px;
}

.field-group {
  padding: 15px;
  gap: 12px;
  border-radius: 17px;
}

.group-title {
  line-height: 1.5;
}

.field {
  gap: 8px;
}

.field label,
.switch-row {
  line-height: 1.45;
}

.field input[type="text"],
.field input[type="number"],
.field select,
.field textarea {
  padding: 10px 11px;
  line-height: 1.45;
}

.field textarea {
  min-height: 108px;
  line-height: 1.6;
}

.inspector-grid {
  gap: 12px;
}

.playback-group {
  display: grid;
  gap: 10px;
}

.inspector-subtitle {
  margin: 4px 0 0;
  line-height: 1.45;
}

.inspector-empty {
  font-size: 12px;
  line-height: 1.75;
}

.timeline-bar {
  padding: 12px 18px 14px;
}

.tracks {
  padding: 8px 2px 12px;
}

.track-ruler {
  padding-bottom: 8px;
  line-height: 1.4;
}

.track-row {
  min-height: 40px;
}

.track-label {
  height: 30px;
  line-height: 1.25;
}

.track-lane {
  height: 30px;
}

.track-block-name {
  font-size: 10px;
  line-height: 1.2;
}

.track-block-time {
  line-height: 1.2;
}

.timecode {
  line-height: 1.3;
}

.fit-label {
  line-height: 1.4;
}

@media (max-width: 1180px) {
  .workspace {
    grid-template-columns: 280px minmax(0, 1fr) 320px;
  }

  .library-grid {
    grid-template-columns: 1fr;
  }

  .fx-lib-preview {
    min-height: 118px;
  }
}

/* Transparent overlay export */
.export-overlay-sandbox {
  position: fixed;
  left: 0;
  top: 0;
  z-index: -1;
  overflow: visible;
  background: transparent;
  pointer-events: none;
  contain: layout style;
}

.export-overlay-stage {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background: transparent;
}

.export-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  place-items: center;
  padding: 24px;
  background: rgba(0, 0, 0, 0.62);
  backdrop-filter: blur(14px);
}

.export-modal-backdrop.open {
  display: grid;
}

.export-modal {
  width: min(680px, 100%);
  max-height: calc(100vh - 48px);
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 22px;
  background: rgba(13, 15, 17, 0.96);
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.55);
  overflow: hidden;
}

.export-modal-head {
  flex: 0 0 auto;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--line);
}

.export-modal-head h2 {
  margin: 5px 0 0;
  font-size: 22px;
  letter-spacing: -0.03em;
}

.export-close {
  position: static;
  width: 34px;
  height: 34px;
  font-size: 24px;
  opacity: 1;
}

.export-modal-body {
  min-height: 0;
  overflow: auto;
  display: grid;
  gap: 14px;
  padding: 18px 20px;
}

.export-note {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}

.export-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.export-grid label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 12px;
}

.export-grid input,
.export-grid select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #0b0b0b;
  color: var(--text);
  padding: 10px 11px;
  outline: none;
}

.export-wide {
  grid-column: 1 / -1;
}

.export-check {
  grid-template-columns: auto 1fr;
  align-items: center;
  column-gap: 10px;
  line-height: 1.5;
}

.export-check input {
  width: 18px;
  height: 18px;
  accent-color: #f5f5f5;
}

.export-folder-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.export-status,
.export-meta {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.55;
}

.export-progress {
  height: 5px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.09);
}

.export-progress span {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #f5f5f5, #8d8d8d);
  transition: width 120ms ease;
}

.ai-monitor {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #0b0b0b;
}

.ai-monitor-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 11px;
  border-bottom: 1px solid var(--line);
  color: var(--text);
  font-size: 12px;
}

.ai-monitor-head::-webkit-details-marker {
  display: none;
}

.ai-monitor-head span,
.ai-monitor pre {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.55;
}

.ai-monitor pre {
  max-height: 150px;
  margin: 0;
  overflow: auto;
  padding: 10px 11px;
  white-space: pre-wrap;
  word-break: break-word;
}

.export-modal-foot {
  flex: 0 0 auto;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 14px 20px 18px;
  border-top: 1px solid var(--line);
}

/* Public-site alignment: restrained black surfaces and compact editor chrome. */
:root {
  --bg: #050505;
  --bg-2: #09090a;
  --panel: #0b0b0c;
  --panel-2: #111214;
  --line: rgba(255, 255, 255, 0.11);
  --line-strong: rgba(255, 255, 255, 0.22);
  --text: #f5f5f3;
  --muted: #929296;
  --muted-2: #626267;
  --white: #f5f5f3;
  --radius: 8px;
}

.app-shell {
  background: #050505;
}

.topbar {
  height: 64px;
  gap: 16px;
  padding: 0 16px;
  background: rgba(5, 5, 5, 0.94);
}

.workspace {
  height: calc(100vh - 64px);
}

.brand {
  min-width: 220px;
  gap: 10px;
}

.brand-mark {
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  border-radius: 6px;
  background: #0d0d0e;
  box-shadow: none;
}

.brand-mark::before {
  width: 12px;
  left: 7px;
  top: 13px;
}

.brand-mark::after {
  height: 12px;
  left: 13px;
  top: 7px;
}

.brand-copy strong {
  font-size: 13px;
  letter-spacing: 0;
}

.brand-copy small {
  color: var(--muted-2);
  font-size: 10px;
  letter-spacing: 0;
}

.transport {
  flex: 0 0 auto;
  gap: 8px;
  white-space: nowrap;
}

.control-button,
.toggle-pill,
.ratio-select {
  border-radius: 6px;
  letter-spacing: 0;
  text-transform: none;
  white-space: nowrap;
}

.control-button {
  min-height: 34px;
  padding: 0 12px;
  background: #0d0d0e;
}

.control-button:hover {
  background: #171719;
}

.control-button.primary {
  min-width: 76px;
}

.toggle-pill {
  min-height: 34px;
  padding: 0 10px;
}

.count-chip,
.ratio-select {
  border-radius: 6px;
}

.panel,
.preview-panel {
  background: #0b0b0c;
}

.preview-toolbar {
  min-height: 108px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-content: center;
  gap: 12px;
  padding: 13px 16px 14px;
  background: rgba(8, 8, 9, 0.96);
}

.preview-toolbar > div:first-child {
  min-width: 0;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.preview-toolbar > div:first-child .eyebrow {
  flex: 0 0 auto;
}

.preview-toolbar h2 {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  font-size: 17px;
  line-height: 1.3;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.toolbar-right {
  width: 100%;
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
}

.control-button.compact,
.toolbar-right .ratio-select,
.toolbar-right .toggle-pill.compact {
  min-height: 32px;
  height: 32px;
}

.control-button.compact {
  padding: 0 10px;
}

.toolbar-right .toggle-pill.compact {
  padding: 0 8px;
}

.component-card,
.fx-lib-card,
.field-group,
.export-modal,
.ai-monitor,
.export-grid input,
.export-grid select {
  border-radius: 8px;
}

.component-card,
.component-card.active,
.fx-lib-card {
  background: #0d0d0e;
  box-shadow: none;
}

.component-card:hover,
.component-card.active,
.fx-lib-card:hover {
  background: #111214;
}

.thumb-viewport,
.fx-lib-preview {
  border-radius: 6px;
}

.export-modal {
  background: #0b0b0c;
  box-shadow: 0 32px 90px rgba(0, 0, 0, 0.58);
}

.export-progress span {
  background: #f5f5f3;
}

@media (max-width: 1180px) {
  .studio-site-nav {
    display: none;
  }

  .brand {
    min-width: 190px;
  }
}