/* Coverage lab section. Everything is scoped to .coverage-lab; site tokens are used when present. */

.coverage-lab {
  --cl-fg: hsl(var(--foreground, 240 20% 12%));
  --cl-muted: hsl(var(--muted-foreground, 240 8% 38%));
  --cl-bg: hsl(var(--background, 0 0% 100%));
  --cl-surface: #f7f5fc;
  --cl-line: #e3dff0;
  --cl-pink: #c4246f;
  --cl-purple: #6b3fd4;
  --cl-blue: #2f5fd0;
  --cl-ring: #ff4fa3;
  --cl-studio: #0e1222;
  --cl-studio-2: #171c31;
  --cl-studio-fg: #e8ebf7;
  --cl-studio-muted: #b4bad2;
  --cl-focus: #ff4fa3;
  --cl-radius: 20px;
  --cl-ease-out: cubic-bezier(0.23, 1, 0.32, 1);

  background: var(--cl-bg);
  color: var(--cl-fg);
  padding: clamp(56px, 9vw, 112px) 16px;
}

.coverage-lab *,
.coverage-lab *::before,
.coverage-lab *::after { box-sizing: border-box; }

.coverage-lab [hidden] { display: none !important; }

.coverage-lab__inner { max-width: 1200px; margin: 0 auto; min-width: 0; }

.coverage-lab__header { max-width: 720px; margin-bottom: clamp(28px, 4vw, 48px); }

.coverage-lab__title {
  margin: 0 0 12px;
  font-size: clamp(1.75rem, 1.2rem + 2.4vw, 2.75rem);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.coverage-lab__intro { margin: 0; font-size: 1.0625rem; line-height: 1.6; color: var(--cl-muted); }

.coverage-lab__grid { display: grid; gap: clamp(24px, 3vw, 40px); min-width: 0; }

@media (min-width: 960px) {
  .coverage-lab__grid { grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); align-items: start; }
}

/* ---------- Stage (dark studio card) ---------- */

.coverage-lab__stage {
  min-width: 0;
  background: var(--cl-studio);
  color: var(--cl-studio-fg);
  border-radius: var(--cl-radius);
  padding: 12px;
  box-shadow: 0 24px 60px -32px rgb(14 18 34 / .55);
}

.coverage-lab__viewport {
  position: relative;
  margin: 0;
  aspect-ratio: 4 / 3;
  border-radius: calc(var(--cl-radius) - 6px);
  overflow: hidden;
  background: var(--cl-studio-2);
}

@media (min-width: 640px) { .coverage-lab__viewport { aspect-ratio: 16 / 10; } }

.coverage-lab__photo {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}

.coverage-lab__canvas-host {
  position: absolute; inset: 0;
  touch-action: pan-y;
  cursor: grab;
}
.coverage-lab__canvas-host:active { cursor: grabbing; }
.coverage-lab__canvas-host canvas { display: block; width: 100%; height: 100%; }

/* Photo stays as the visible layer until the 3D scene is actually ready */
.coverage-lab[data-state="ready"] .coverage-lab__photo { visibility: hidden; }

.coverage-lab__tag {
  position: absolute; left: 0; top: 0;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgb(14 18 34 / .82);
  border: 1px solid rgb(255 255 255 / .28);
  color: #fff;
  font-size: 12px; font-weight: 700; line-height: 1.3;
  white-space: nowrap;
  pointer-events: none;
  transform: translate(-9999px, 0);
}
.coverage-lab__tag::before {
  content: ""; display: inline-block; width: 8px; height: 8px; margin-right: 6px;
  border-radius: 50%; background: var(--cl-blue); vertical-align: 0;
}
.coverage-lab__tag--other::before { background: #9dd6c9; }

.coverage-lab__overlay {
  position: absolute;
  margin: 0;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgb(14 18 34 / .78);
  color: var(--cl-studio-fg);
  font-size: 12px; font-weight: 600; line-height: 1.3;
  pointer-events: none;
}
.coverage-lab__overlay--sim { top: 10px; left: 10px; }
.coverage-lab__model-note { margin: 10px 10px 0; color: var(--cl-studio-muted); font-size: 12px; line-height: 1.4; }
/* The provisional-model note describes the 3D model, so it only shows with the simulation */
.coverage-lab:not([data-state="ready"]):not([data-state="loading"]) .coverage-lab__model-note { display: none; }

@media (max-width: 479px) {
  .coverage-lab__viewport { aspect-ratio: 1; }
}

.coverage-lab__busy {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  background: rgb(14 18 34 / .6);
  color: #fff; font-weight: 600; font-size: 14px;
}
.coverage-lab__spinner {
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 2px solid rgb(255 255 255 / .3);
  border-top-color: #fff;
  animation: coverage-lab-spin .8s linear infinite;
}
@keyframes coverage-lab-spin { to { transform: rotate(1turn); } }

.coverage-lab__phase {
  position: absolute; left: 10px; bottom: 10px;
  margin: 0; padding: 6px 12px;
  border-radius: 999px;
  background: rgb(14 18 34 / .82);
  color: #fff; font-size: 13px; font-weight: 700;
}
.coverage-lab__phase-label { font-weight: 500; color: var(--cl-studio-muted); margin-right: 4px; }
/* Without the 3D scene the phase chip would describe something not on screen */
.coverage-lab:not([data-state="ready"]) .coverage-lab__phase { display: none; }

/* Legend */
.coverage-lab__legend {
  list-style: none; margin: 12px 0 0; padding: 0;
  display: grid; gap: 6px;
  font-size: 14px; line-height: 1.45;
}
.coverage-lab__legend-item {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid transparent;
}
.coverage-lab__legend-item.is-focus { border-color: rgb(255 79 163 / .55); background: rgb(255 79 163 / .08); }
.coverage-lab__legend-item strong { color: #fff; }
.coverage-lab__legend-item--ring { color: var(--cl-studio-muted); }
.coverage-lab__swatch {
  flex: none; width: 14px; height: 14px; margin-top: 3px;
  border-radius: 4px; border: 1px solid rgb(255 255 255 / .5);
}
.coverage-lab__swatch--yours { background: var(--cl-blue); }
.coverage-lab__swatch--other { background: #9dd6c9; }
.coverage-lab__swatch--ring { border-radius: 50%; background: transparent; border: 3px solid var(--cl-ring); }
.coverage-lab__focus {
  flex: none; margin-left: auto;
  padding: 2px 8px; border-radius: 999px;
  background: var(--cl-ring); color: #1a0b14;
  font-size: 12px; font-weight: 700;
}

/* Controls */
.coverage-lab__controls { display: grid; gap: 12px; margin-top: 12px; padding: 4px 2px 2px; }
.coverage-lab__transport,
.coverage-lab__camera { display: flex; flex-wrap: wrap; gap: 8px; }

.coverage-lab__btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 44px; min-width: 44px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgb(255 255 255 / .22);
  background: rgb(255 255 255 / .08);
  color: #fff;
  font: inherit; font-size: 14px; font-weight: 700;
  cursor: pointer;
  transition: background-color .15s ease, border-color .15s ease, transform .12s var(--cl-ease-out);
}
.coverage-lab__btn--quiet { font-weight: 600; }
.coverage-lab__btn:active:not(:disabled) { transform: scale(0.97); }
.coverage-lab__btn:disabled { cursor: not-allowed; opacity: .5; }
@media (hover: hover) and (pointer: fine) {
  .coverage-lab__btn:hover:not(:disabled) { background: rgb(255 255 255 / .16); border-color: rgb(255 255 255 / .4); }
}

.coverage-lab__seek { display: grid; gap: 6px; }
.coverage-lab__seek-label { font-size: 14px; font-weight: 600; }
.coverage-lab__seek-label output { font-variant-numeric: tabular-nums; color: var(--cl-studio-muted); font-weight: 500; }
.coverage-lab__range {
  width: 100%; min-height: 44px; margin: 0;
  accent-color: var(--cl-ring);
  background: transparent;
  touch-action: pan-y;
}
.coverage-lab__range:disabled { opacity: .5; cursor: not-allowed; }

.coverage-lab__reason { margin: 0; min-height: 1.4em; font-size: 13px; line-height: 1.45; color: var(--cl-studio-muted); }

/* ---------- Explanations ---------- */

.coverage-lab__info { min-width: 0; display: grid; gap: 20px; align-content: start; }

.coverage-lab__subtitle { margin: 0 0 10px; font-size: 1.0625rem; font-weight: 700; line-height: 1.3; }

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

.coverage-lab__choice {
  display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 2px;
  min-height: 56px; min-width: 0;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1.5px solid var(--cl-line);
  background: var(--cl-bg);
  color: var(--cl-fg);
  font: inherit; text-align: left;
  cursor: pointer;
  transition: background-color .15s ease, border-color .15s ease, color .15s ease, transform .12s var(--cl-ease-out);
}
.coverage-lab__choice:active { transform: scale(0.98); }
.coverage-lab__choice-name { font-size: 15px; font-weight: 700; overflow-wrap: anywhere; }
.coverage-lab__choice-hint { font-size: 13px; color: var(--cl-muted); overflow-wrap: anywhere; }
.coverage-lab__choice[aria-pressed="true"] {
  background: linear-gradient(135deg, var(--cl-pink), var(--cl-purple));
  border-color: transparent;
  color: #fff;
}
.coverage-lab__choice[aria-pressed="true"] .coverage-lab__choice-hint { color: rgb(255 255 255 / .9); }
@media (hover: hover) and (pointer: fine) {
  .coverage-lab__choice:hover:not([aria-pressed="true"]) { border-color: var(--cl-purple); }
}

.coverage-lab__scene-text {
  padding: 16px 18px;
  border-radius: 16px;
  background: var(--cl-surface);
  border-left: 4px solid var(--cl-purple);
}
.coverage-lab__scene-text p { margin: 0; line-height: 1.6; }

.coverage-lab__compare { list-style: none; margin: -10px 0 0; padding: 0; display: grid; gap: 8px; }
.coverage-lab__card {
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--cl-line);
  background: var(--cl-bg);
  font-size: 14.5px; line-height: 1.55;
  transition: border-color .15s ease, background-color .15s ease;
}
.coverage-lab__card p { margin: 0; }
.coverage-lab__card.is-current { border-color: var(--cl-pink); background: #fdf3f8; box-shadow: inset 4px 0 0 var(--cl-pink); }
.coverage-lab__card-title { margin: 0 0 4px; font-size: 15px; font-weight: 700; }
.coverage-lab__split { margin: 0; display: grid; gap: 6px; }
.coverage-lab__split dt { display: inline; font-weight: 700; }
.coverage-lab__split dt::after { content: ": "; }
.coverage-lab__split dd { display: inline; margin: 0; }

.coverage-lab__note { margin: 0; font-size: 13.5px; line-height: 1.55; color: var(--cl-muted); }
.coverage-lab__source { margin: -8px 0 0; font-size: 13.5px; line-height: 1.55; color: var(--cl-muted); }
.coverage-lab__source a { color: var(--cl-purple); font-weight: 600; text-decoration: underline; text-underline-offset: 2px; overflow-wrap: anywhere; }

/* Focus */
.coverage-lab :is(button, a, input):focus-visible {
  outline: 3px solid var(--cl-focus);
  outline-offset: 3px;
}
.coverage-lab__choice:focus-visible { outline-color: var(--cl-purple); }

@media (prefers-reduced-motion: reduce) {
  .coverage-lab__btn,
  .coverage-lab__choice,
  .coverage-lab__card { transition: background-color .15s ease, border-color .15s ease, color .15s ease; }
  .coverage-lab__btn:active:not(:disabled),
  .coverage-lab__choice:active { transform: none; }
  .coverage-lab__spinner { animation: none; border-top-color: rgb(255 255 255 / .3); border-right-color: #fff; }
}

@media (forced-colors: active) {
  .coverage-lab__choice[aria-pressed="true"] { border: 3px solid Highlight; }
  .coverage-lab__card.is-current { border: 3px solid Highlight; }
}