:root {
  --bg: #0a0a0b;
  --panel: #141416;
  --ink: #ececec;
  --muted: #8a8a90;
  --line: #26262a;
  --accent: #ffb347;
  --wipe: 50%;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font: 400 14px/1.4 Inter, system-ui, sans-serif;
  display: grid;
  grid-template-columns: 1fr 260px;
  grid-template-rows: auto 1fr;
}

button {
  font: inherit;
  color: inherit;
}

.top {
  grid-column: 1 / -1;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 24px 14px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--accent);
  font: 500 11px/1 'JetBrains Mono', monospace;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
}

.hint {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.stage {
  padding: 20px 24px 28px;
  min-width: 0;
}

/* Two videos stacked; the grade is clipped to the right of the line. */
.viewer {
  position: relative;
  aspect-ratio: 16 / 9;
  max-height: calc(100vh - 230px);
  margin: 0 auto;
  overflow: hidden;
  border-radius: 6px;
  background: #000;
  cursor: ew-resize;
  user-select: none;
  touch-action: none;
}

.viewer video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
}

#grade {
  clip-path: inset(0 0 0 var(--wipe));
}

.wipe {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--wipe);
  width: 2px;
  margin-left: -1px;
  background: #fff;
  box-shadow: 0 0 12px rgb(0 0 0 / 0.6);
}

.grip {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 34px;
  height: 34px;
  border: 2px solid #fff;
  border-radius: 50%;
  background: rgb(0 0 0 / 0.45);
  transform: translate(-50%, -50%);
  backdrop-filter: blur(6px);
}

.grip::before,
.grip::after {
  content: '';
  position: absolute;
  top: 50%;
  border: 5px solid transparent;
  transform: translateY(-50%);
}

.grip::before {
  left: 4px;
  border-right-color: #fff;
}

.grip::after {
  right: 4px;
  border-left-color: #fff;
}

.tag {
  position: absolute;
  top: 14px;
  padding: 4px 9px;
  border-radius: 4px;
  background: rgb(0 0 0 / 0.55);
  font: 500 11px/1 'JetBrains Mono', monospace;
  letter-spacing: 0.08em;
}

.tag.left {
  left: 14px;
}

.tag.right {
  right: 14px;
  color: var(--accent);
}

.loading {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  margin: 0;
  color: var(--muted);
}

.transport {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
}

.transport button {
  min-width: 36px;
  height: 32px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  cursor: pointer;
}

.transport button:hover {
  border-color: #3a3a40;
}

.transport button.on {
  border-color: var(--accent);
  color: var(--accent);
}

#scrub {
  flex: 1;
  accent-color: var(--accent);
}

.tc {
  min-width: 104px;
  font: 500 13px/1 'JetBrains Mono', monospace;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.palettes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 16px;
}

.palettes span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font: 500 10px/1 'JetBrains Mono', monospace;
  letter-spacing: 0.12em;
}

.chips {
  display: flex;
  height: 18px;
  overflow: hidden;
  border-radius: 3px;
}

.chips i {
  flex: 1;
}

/* Shot list */

.shots {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 18px;
  border-left: 1px solid var(--line);
  overflow-y: auto;
}

.shot {
  display: block;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  text-align: left;
  cursor: pointer;
}

.shot img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.shot span {
  display: block;
  padding: 8px 10px;
  font: 500 12px/1.2 'JetBrains Mono', monospace;
}

.shot[aria-current='true'] {
  border-color: var(--accent);
}

.shot[aria-current='true'] span {
  color: var(--accent);
}

.notice {
  position: fixed;
  inset: auto 16px 20px;
  margin: 0;
  padding: 12px 16px;
  border-radius: 8px;
  background: var(--panel);
  text-align: center;
}

@media (max-width: 860px) {
  body {
    grid-template-columns: 1fr;
  }

  .hint {
    display: none;
  }

  .shots {
    flex-direction: row;
    border-left: 0;
    border-top: 1px solid var(--line);
    overflow-x: auto;
  }

  .shot {
    flex: 0 0 160px;
  }

  .tc {
    min-width: 0;
  }
}