/* Compare workstation — self-contained, no lab.css dependency. */

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  width: min(1120px, 100%);
  min-height: 100vh;
  min-height: 100dvh;
  margin: auto;
  padding: max(18px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) max(110px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
  font-family: var(--font);
  background:
    radial-gradient(circle at 50% -18%, rgba(255, 47, 146, 0.17), transparent 34rem),
    linear-gradient(180deg, var(--bg), var(--bg-1));
  color: var(--ink);
}

* { box-sizing: border-box; }

button,
a {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

[hidden] {
  display: none !important;
}

body[data-task="quality"] {
  --task: #c58ab9;
  --task-soft: rgba(197, 138, 185, 0.16);
  --task-line: rgba(221, 162, 208, 0.36);
  --task-bg: rgba(105, 50, 99, 0.22);
  --task-symbol: "○";
}

body[data-task="explicitness"] {
  --task: #ff4f9a;
  --task-soft: rgba(255, 79, 154, 0.18);
  --task-line: rgba(255, 79, 154, 0.48);
  --task-bg: rgba(145, 23, 79, 0.28);
  --task-symbol: "◆";
}

/* Session bar */
.session-bar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 6px 0 14px;
  background: rgba(10, 8, 12, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.session-feed,
.session-action {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 0 15px;
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  background: rgba(255, 255, 255, 0.055);
  color: var(--ink-dim);
  text-decoration: none;
  font-weight: 650;
}

.session-summary {
  flex: 1;
  min-width: 0;
  text-align: center;
  color: var(--ink-dim);
  font-size: 13px;
  font-weight: 650;
  line-height: 1.25;
  white-space: normal;
  overflow-wrap: break-word;
}

.session-actions {
  position: relative;
  display: flex;
  gap: 8px;
  align-items: center;
}

.session-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  z-index: 50;
  display: grid;
  gap: 6px;
  min-width: 180px;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--glass-strong);
  box-shadow: var(--shadow-lg);
}

.session-menu-item {
  min-height: 44px;
  padding: 0 14px;
  border-radius: var(--r-full);
  background: rgba(255, 255, 255, 0.055);
  color: var(--ink-dim);
  text-align: left;
  font-weight: 650;
}

.session-retrain,
.compare-version {
  margin: 4px 8px;
  color: var(--ink-dim);
  font-size: 11px;
}

.compare-version {
  margin: 0 0 6px;
  font-weight: 700;
  letter-spacing: .04em;
}

.session-menu-item:hover,
.session-menu-item:focus-visible {
  background: rgba(255, 255, 255, 0.1);
  color: var(--ink);
}

/* Main content */
main {
  display: grid;
  gap: var(--space-3);
}

.task-strip {
  width: max-content;
  padding: 5px 10px;
  border-radius: var(--r-full);
  background: var(--task-bg, rgba(255, 255, 255, 0.07));
  color: var(--task, var(--pink-2));
  font-size: 12px;
  font-weight: 760;
  letter-spacing: 0.12em;
}

.task-strip::before {
  content: var(--task-symbol, "");
  display: inline-grid;
  place-items: center;
  width: 1.35em;
  height: 1.35em;
  margin-right: 7px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  letter-spacing: 0;
}

h1 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -.018em;
  margin: 0;
  font-size: clamp(1.65rem, 5.2vw, 2.85rem);
  font-weight: 400;
  line-height: 0.98;
}

.intro,
.status {
  max-width: 42rem;
  margin: 0;
  color: var(--ink-faint);
  font-size: 14px;
  line-height: 1.55;
}

.retry-load {
  min-height: 44px;
  margin-top: 4px;
  padding: 0 18px;
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink);
  font-weight: 650;
}

/* Pair and candidates */
.pair {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  margin-top: 6px;
}

.pair[data-layout="stacked"] {
  grid-template-columns: minmax(0, 1fr);
}

.candidate {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.media-shell {
  --media-max-h: min(60vh, 620px);
  position: relative;
  width: min(100%, calc(var(--media-max-h) * var(--aspect, 1)));
  aspect-ratio: var(--aspect, 1);
  max-width: 100%;
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: #000;
  box-shadow: var(--shadow-md);
  transition: border-color var(--dur-1) ease, box-shadow var(--dur-1) ease, opacity var(--dur-1) ease;
}

.media-shell video {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: var(--media-max-h, min(60vh, 620px));
  aspect-ratio: var(--aspect, auto);
  object-fit: contain;
  background: #000;
}

.media-shell[data-orientation="portrait"] {
  --media-max-h: min(66vh, 700px);
}

.media-shell[data-orientation="landscape"] {
  --media-max-h: min(46vh, 460px);
}

.media-hit {
  touch-action: pan-y pinch-zoom;
  user-select: none;
  -webkit-user-select: none;
  position: absolute;
  inset: 0;
  z-index: 2;
  background: transparent;
  cursor: pointer;
}

.media-hit:hover,
.media-hit:focus-visible {
  background: rgba(255, 255, 255, 0.03);
}

.candidate-scrub {
  position: absolute;
  z-index: 4;
  right: 8px;
  bottom: 5px;
  left: 8px;
  width: calc(100% - 16px);
  height: 28px;
  margin: 0;
  padding: 0;
  --scan-position: 0%;
  box-sizing: border-box;
  opacity: 0.42;
  background: linear-gradient(to right,
    var(--task, var(--pink-soft)) 0 var(--scan-position),
    rgba(255, 255, 255, 0.42) var(--scan-position) 100%) center / 100% 2px no-repeat;
  cursor: ew-resize;
  touch-action: none;
}

.candidate-scrub::after {
  content: "";
  position: absolute;
  top: 50%;
  left: var(--scan-position);
  width: 7px;
  height: 7px;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(255, 255, 255, 0.64);
  border-radius: 50%;
  background: var(--task, var(--pink-soft));
}

.candidate-scrub:hover,
.candidate-scrub:focus-visible,
.candidate-scrub:active {
  opacity: 0.84;
}

.media-layer {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: grid;
  place-items: center;
  padding: 14px;
  text-align: center;
  font-size: 14px;
  color: var(--ink-dim);
  pointer-events: none;
}

.loading-layer {
  background: rgba(0, 0, 0, 0.45);
}

.error-layer {
  display: none;
  flex-direction: column;
  gap: 10px;
  z-index: 3;
  pointer-events: auto;
  background: rgba(8, 5, 7, 0.88);
  color: var(--ink);
}

.error-layer:not([hidden]) {
  display: flex;
}

.error-layer .retry {
  pointer-events: auto;
  min-height: 36px;
  padding: 0 16px;
  border-radius: var(--r-full);
  background: rgba(255, 255, 255, 0.1);
  color: var(--ink);
  font-weight: 650;
}

.spatial-label {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 1;
  padding: 4px 7px;
  border-radius: var(--r-full);
  background: color-mix(in srgb, var(--task, var(--pink)) 34%, rgba(0, 0, 0, 0.72));
  color: rgba(255, 255, 255, 0.92);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.08em;
  pointer-events: none;
}

.candidate-footer {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
}

.tags {
  flex: 1;
  min-height: 29px;
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  align-items: center;
  padding: 6px 9px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.045);
  color: var(--ink-dim);
  font-size: 12px;
  line-height: 1.35;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  background: rgba(255, 255, 255, 0.07);
  color: var(--ink-dim);
  font-size: 11px;
  font-weight: 650;
  white-space: nowrap;
}

.candidate-exclude {
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--r-full);
  background: rgba(12, 12, 12, 0.62);
  color: rgba(255, 255, 255, 0.86);
  font-size: 19px;
  font-weight: 800;
  line-height: 1;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.32);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.candidate-exclude:hover,
.candidate-exclude:focus-visible {
  border-color: rgba(255, 96, 96, 0.72);
  background: rgba(190, 24, 24, 0.68);
  color: #fff;
}

.candidate.is-selected .media-shell {
  border-color: var(--task, var(--pink));
  box-shadow: 0 0 0 2px var(--task-soft, rgba(255, 47, 146, 0.2)), 0 14px 38px rgba(0, 0, 0, 0.38);
}

.candidate.is-unselected .media-shell {
  opacity: 0.55;
}

/* Decision dock */
.decision-dock {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 10px max(12px, env(safe-area-inset-right)) max(10px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
  border-top: 1px solid var(--border);
  background: rgba(8, 5, 7, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.dock-votes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.dock-vote,
.dock-back,
.dock-skip {
  min-height: 48px;
  padding: 0 14px;
  border-radius: var(--r-full);
  background: var(--task, var(--pink));
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
}

.dock-back,
.dock-skip {
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink-dim);
}

button:disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

.dock-vote:disabled {
  filter: grayscale(0.45);
}

/* Action sheet / dialog */
.action-sheet {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  align-items: end;
  padding: 16px;
  background: rgba(0, 0, 0, 0.58);
}

.media-preloads {
  position: fixed;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  inset: -2px auto auto -2px;
}

.media-preloads video {
  display: block;
  width: 1px;
  height: 1px;
}

.action-panel {
  display: grid;
  gap: 8px;
  width: min(420px, 100%);
  margin: 0 auto;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--glass-strong);
  box-shadow: var(--shadow-lg);
}

.action-title {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 700;
  text-align: center;
}

.action-panel button {
  min-height: 48px;
  border-radius: var(--r-full);
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink);
  font-weight: 650;
}

.danger {
  border: 1px solid rgba(255, 92, 133, 0.36);
  background: rgba(164, 28, 70, 0.78) !important;
  color: #ffe4ed !important;
}

.quiet {
  background: rgba(255, 255, 255, 0.055) !important;
  color: var(--ink-dim) !important;
}

/* Focus */
*:focus-visible {
  outline: 3px solid var(--task, var(--pink-soft));
  outline-offset: 3px;
}

@media (max-width: 720px) {
  .session-summary {
    text-align: right;
  }
}

@media (max-width: 700px) and (orientation: portrait) {
  .pair[data-has-landscape="true"] {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  body {
    padding-top: max(10px, env(safe-area-inset-top));
    padding-right: max(10px, env(safe-area-inset-right));
    padding-left: max(10px, env(safe-area-inset-left));
  }

  h1 {
    font-size: clamp(1.35rem, 7vw, 1.9rem);
  }

  .intro,
  .status {
    font-size: 13px;
  }

  .session-bar {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 6px;
    padding: 4px 0 8px;
  }

  .session-feed,
  .session-action {
    min-height: 42px;
    padding: 0 14px;
    font-size: 13px;
  }

  .session-summary {
    font-size: 11px;
    text-align: center;
  }

  .session-actions {
    gap: 5px;
  }

  .session-actions .session-action {
    padding: 0 10px;
  }

  .media-shell {
    --media-max-h: min(54vh, 520px);
  }

  .media-shell[data-orientation="portrait"] {
    --media-max-h: min(58vh, 560px);
  }

  .media-shell[data-orientation="landscape"] {
    --media-max-h: min(38vh, 360px);
  }

  .tags {
    padding: 5px 7px;
  }

  .tag {
    padding: 2px 6px;
    font-size: 10px;
  }

  .decision-dock {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    padding: 10px max(10px, env(safe-area-inset-right)) max(10px, env(safe-area-inset-bottom)) max(10px, env(safe-area-inset-left));
  }

  .dock-votes {
    grid-column: 1 / -1;
    order: -1;
  }

  .dock-vote,
  .dock-back,
  .dock-skip {
    min-height: 52px;
    padding: 0 12px;
    font-size: 14px;
  }
}

@media (max-width: 320px) {
  .tag:nth-child(3) {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Velvet decision mode: media remains the spectacle; controls are the invitation. */
.session-bar { padding-bottom: 18px; background: linear-gradient(180deg, rgba(12, 4, 10, .94), rgba(12, 4, 10, .68)); }
.session-feed, .session-action { border-color: rgba(255, 209, 232, .12); background: rgba(54, 15, 38, .28); color: rgba(255, 239, 248, .76); }
.session-summary { color: rgba(255, 223, 239, .56); font-weight: 600; }
.compare-version { color: rgba(255, 194, 222, .52); }
.task-strip { border-color: var(--task-line); background: var(--task-bg); box-shadow: none; }
.task-strip::before { color: var(--task); }
h1 { letter-spacing: -.035em; }
.intro { color: rgba(255, 234, 245, .64); }
.pair { gap: 16px; }
.media-shell { border-color: rgba(255, 220, 239, .13); border-radius: 18px; box-shadow: 0 20px 56px rgba(0,0,0,.42); }
.candidate.is-selected .media-shell { box-shadow: 0 0 0 1px var(--task-line), 0 20px 56px rgba(0,0,0,.48); }
.spatial-label { background: rgba(20, 6, 15, .5); color: rgba(255, 232, 245, .55); letter-spacing: .13em; }
.tags { padding-inline: 0; border: 0; background: transparent; }
.tag { border-color: rgba(255, 218, 238, .11); background: rgba(255,255,255,.035); color: rgba(255, 234, 245, .58); }
.candidate-exclude { border-color: rgba(255, 214, 235, .14); background: rgba(35, 8, 25, .48); color: rgba(255, 230, 243, .55); }
.decision-dock { border-color: rgba(255, 204, 230, .13); background: linear-gradient(180deg, rgba(17, 5, 13, .72), rgba(9, 3, 8, .94)); box-shadow: 0 -16px 42px rgba(0,0,0,.22); }
.dock-vote { border: 1px solid var(--task-line); background: linear-gradient(180deg, rgba(255,255,255,.05), var(--task-bg)); color: #fff7fb; box-shadow: inset 0 1px rgba(255,255,255,.08); }
.dock-vote:hover, .dock-vote:focus-visible { background: linear-gradient(180deg, rgba(255, 130, 190, .23), rgba(129, 23, 76, .45)); }
.dock-back, .dock-skip { border: 1px solid rgba(255, 224, 241, .1); background: rgba(255,255,255,.035); color: rgba(255, 233, 245, .62); }
.session-summary { font-size: 11px; letter-spacing: .01em; }
.task-strip { margin-bottom: 10px; }
.task-strip { border: 1px solid color-mix(in srgb, var(--task) 34%, transparent); background: color-mix(in srgb, var(--task) 10%, transparent); box-shadow: 0 8px 24px rgba(0,0,0,.12); }
main > h1 { max-width: 18ch; margin-bottom: 7px; font-size: clamp(1.65rem, 4.4vw, 2.35rem); }
.intro { max-width: 42ch; margin-top: 0; margin-bottom: 18px; }

/* A composed decision rail, not a competing bank of coloured buttons. */
.decision-dock { gap: 8px; padding: 9px max(14px, env(safe-area-inset-right)) max(11px, env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-left)); border-color: rgba(255, 212, 234, .11); background: linear-gradient(180deg, rgba(18, 5, 14, .62), rgba(9, 3, 8, .92)); box-shadow: 0 -18px 46px rgba(0,0,0,.24); }
.dock-votes { gap: 4px; padding: 4px; border: 1px solid rgba(255, 215, 237, .11); border-radius: 17px; background: rgba(255,255,255,.025); }
.dock-vote { min-height: 44px; padding: 0 12px; border: 0; border-radius: 12px; background: transparent; color: rgba(255, 239, 248, .82); box-shadow: none; font-size: 13px; font-weight: 650; }
.dock-vote:hover, .dock-vote:focus-visible { background: var(--task-bg); color: #fff8fb; box-shadow: inset 0 0 0 1px var(--task-line); }
.dock-back, .dock-skip { min-height: 40px; padding-inline: 10px; border: 0; background: transparent; color: rgba(255, 230, 244, .5); font-size: 12px; font-weight: 620; }
.dock-back:hover, .dock-skip:hover { color: rgba(255, 237, 247, .86); background: rgba(255,255,255,.035); }