/* Grillz Studio — dedicated constructor surface (original GC design language) */

.studio-page {
  --studio-gold: #ffd000;
  --studio-gold-soft: rgba(255, 208, 0, 0.16);
  --studio-line: rgba(255, 208, 0, 0.22);
  --studio-panel: rgba(8, 6, 4, 0.82);
  --studio-ink: #f7f1df;
  --studio-muted: rgba(247, 241, 223, 0.62);
  --studio-radius: 28px;
}

.studio-hero .lead {
  max-width: 42rem;
}

.studio-section {
  padding: 0 0 48px;
}

.studio-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.9fr);
  gap: 22px;
  align-items: start;
}

/* ===== Stage (preview) ===== */
.studio-stage-wrap {
  position: sticky;
  top: 18px;
}

.studio-stage {
  border: 1px solid var(--studio-line);
  border-radius: calc(var(--studio-radius) + 6px);
  background:
    radial-gradient(ellipse 70% 50% at 50% 28%, rgba(255, 180, 120, 0.1), transparent 55%),
    radial-gradient(ellipse 80% 60% at 50% 100%, rgba(255, 208, 0, 0.08), transparent 50%),
    linear-gradient(165deg, #120a08 0%, #060303 48%, #140a0c 100%);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.45);
  overflow: hidden;
}

.stage-chrome {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 208, 0, 0.12);
  background: rgba(0, 0, 0, 0.28);
}

.stage-title {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--studio-ink);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.stage-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #35e07c;
  box-shadow: 0 0 12px rgba(53, 224, 124, 0.8);
  animation: studio-pulse 2.2s ease-in-out infinite;
}

@keyframes studio-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.86); }
}

.stage-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.stage-btn {
  min-height: 36px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 208, 0, 0.28);
  background: rgba(0, 0, 0, 0.4);
  color: var(--studio-gold);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: background 0.18s ease, border-color 0.18s ease, transform 0.12s ease;
}

.stage-btn:hover,
.stage-btn:focus-visible {
  background: var(--studio-gold-soft);
  border-color: rgba(255, 208, 0, 0.7);
  outline: none;
}

.stage-btn:active {
  transform: scale(0.97);
}

.stage-viewport {
  position: relative;
  min-height: 420px;
  touch-action: none;
  cursor: grab;
  perspective: 1200px;
}

.stage-viewport.is-dragging {
  cursor: grabbing;
}

.stage-viewport.is-fullscreen {
  min-height: min(78vh, 820px);
}

#mouthCanvas {
  display: block;
  width: 100%;
  height: auto;
  max-height: 72vh;
  margin: 0 auto;
  user-select: none;
  -webkit-user-select: none;
}

.stage-viewport[data-mode="model"] #mouthCanvas {
  display: none;
}

.studio-model {
  display: none;
  width: 100%;
  height: min(72vh, 560px);
  min-height: 420px;
  background: radial-gradient(ellipse at 50% 40%, rgba(255, 180, 100, 0.12), transparent 55%), #0a0406;
  --poster-color: transparent;
}

.stage-viewport[data-mode="model"] .studio-model {
  display: block;
}

.stage-viewport[data-mode="model"] {
  cursor: default;
}

.view-mode {
  display: inline-flex;
  gap: 4px;
  padding: 3px;
  border-radius: 999px;
  border: 1px solid rgba(255, 208, 0, 0.18);
  background: rgba(0, 0, 0, 0.35);
}

.view-mode .stage-btn {
  min-height: 32px;
  padding: 6px 10px;
}

.view-mode .stage-btn.is-active {
  background: rgba(255, 208, 0, 0.2);
  border-color: rgba(255, 208, 0, 0.75);
  color: #fff;
}

.ar-btn {
  appearance: none;
  position: absolute;
  left: 14px;
  bottom: 54px;
  z-index: 3;
  min-height: 40px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 208, 0, 0.45);
  background: rgba(0, 0, 0, 0.72);
  color: var(--studio-gold, #ffd000);
  font-weight: 900;
  font-size: 12px;
  letter-spacing: 0.06em;
  cursor: pointer;
}

.ar-btn:hover {
  background: rgba(255, 208, 0, 0.16);
}

.legend-price {
  margin-left: auto;
  color: var(--studio-gold, #ffd000);
  font-weight: 800;
}

/* per-tooth fit controls */
.fit-sliders {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.fit-sliders.is-hidden {
  display: none;
}

.stage-viewport {
  overscroll-behavior: contain;
}

.fit-sliders label {
  display: grid;
  grid-template-columns: 64px 1fr 52px;
  gap: 8px;
  align-items: center;
  color: var(--studio-muted, rgba(247, 241, 223, 0.62));
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.fit-sliders input[type="range"] {
  width: 100%;
  accent-color: #ffd000;
}

.fit-sliders span {
  text-align: right;
  color: #fff;
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  font-weight: 700;
  text-transform: none;
  letter-spacing: 0;
}

.photo-upload-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
  align-items: center;
}

.photo-upload-btn {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
}

#fitToolGroup {
  flex-wrap: wrap;
}

@media (max-width: 720px) {
  .fit-sliders label {
    grid-template-columns: 52px 1fr 48px;
  }
}

.stage-hint {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 12px;
  padding: 10px 14px;
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--studio-muted);
  font-size: 12px;
  text-align: center;
  pointer-events: none;
  backdrop-filter: blur(8px);
}

.stage-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  padding: 12px 16px 16px;
  color: var(--studio-muted);
  font-size: 12px;
  font-weight: 700;
}

.stage-legend span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.lg {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  display: inline-block;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.lg-off { background: linear-gradient(180deg, #efe8d8, #b7ad97); opacity: 0.55; }
.lg-on { background: linear-gradient(180deg, #ffe58a, #c48a00); box-shadow: 0 0 10px rgba(255, 208, 0, 0.35); }
.lg-focus { background: linear-gradient(180deg, #fff, #ffd000); outline: 2px solid #7ee0ff; outline-offset: 1px; }

/* ===== Panel ===== */
.studio-panel {
  border: 1px solid var(--studio-line);
  border-radius: calc(var(--studio-radius) + 6px);
  background: var(--studio-panel);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(12px);
  overflow: hidden;
}

.studio-form {
  display: grid;
  gap: 0;
  padding: 0 0 18px;
}

.panel-head {
  padding: 22px 22px 8px;
}

.panel-head h2 {
  margin: 0 0 8px;
  color: var(--studio-ink);
  font-size: 1.45rem;
}

.panel-sub {
  margin: 0;
  color: var(--studio-muted);
  font-size: 0.95rem;
  line-height: 1.45;
}

.studio-block {
  margin: 0;
  padding: 16px 22px 8px;
  border: 0;
  border-top: 1px solid rgba(255, 208, 0, 0.1);
  min-width: 0;
}

.studio-block legend {
  padding: 0;
  color: var(--studio-gold);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.field-note {
  margin: 10px 0 0;
  color: var(--studio-muted);
  font-size: 12px;
  line-height: 1.4;
}

/* choice cards */
.choice-grid,
.swatch-grid,
.card-grid,
.pill-grid {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

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

.choice-card,
.swatch-card,
.style-card,
.pill-chip,
.preset-chip,
.scope-btn,
.fdi-chip {
  appearance: none;
  border: 1px solid rgba(255, 208, 0, 0.22);
  background: rgba(0, 0, 0, 0.38);
  color: var(--studio-ink);
  border-radius: 18px;
  cursor: pointer;
  text-align: left;
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.12s ease, box-shadow 0.15s ease;
}

.choice-card,
.swatch-card,
.style-card,
.pill-chip,
.preset-chip,
.scope-btn,
.fdi-chip,
.stage-btn {
  font-family: inherit;
}

.choice-card {
  padding: 14px 14px 12px;
  display: grid;
  gap: 4px;
}

.choice-card strong {
  font-size: 0.98rem;
  color: #fff;
}

.choice-card span {
  color: var(--studio-muted);
  font-size: 12px;
  line-height: 1.35;
}

.choice-card:hover,
.swatch-card:hover,
.style-card:hover,
.pill-chip:hover,
.preset-chip:hover,
.scope-btn:hover,
.fdi-chip:hover {
  border-color: rgba(255, 208, 0, 0.55);
  background: rgba(255, 208, 0, 0.08);
}

.choice-card.is-active,
.swatch-card.is-active,
.style-card.is-active,
.pill-chip.is-active,
.preset-chip.is-active,
.scope-btn.is-active,
.fdi-chip.is-on {
  border-color: rgba(255, 208, 0, 0.85);
  background: linear-gradient(135deg, rgba(255, 208, 0, 0.18), rgba(255, 208, 0, 0.05));
  box-shadow: 0 0 0 1px rgba(255, 208, 0, 0.18), 0 10px 28px rgba(255, 180, 0, 0.12);
}

.choice-card:focus-visible,
.swatch-card:focus-visible,
.style-card:focus-visible,
.pill-chip:focus-visible,
.preset-chip:focus-visible,
.scope-btn:focus-visible,
.fdi-chip:focus-visible,
.stage-btn:focus-visible {
  outline: 2px solid #7ee0ff;
  outline-offset: 2px;
}

/* swatches */
.swatch-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.swatch-card {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  min-height: 52px;
}

.swatch-orb {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.45), 0 4px 10px rgba(0, 0, 0, 0.35);
}

.swatch-card small {
  display: block;
  color: var(--studio-muted);
  font-size: 11px;
}

/* style cards */
.card-grid {
  grid-template-columns: 1fr;
}

.style-card {
  padding: 12px 14px;
  display: grid;
  gap: 4px;
}

.style-card strong {
  color: #fff;
  font-size: 0.95rem;
}

.style-card span {
  color: var(--studio-muted);
  font-size: 12px;
}

/* pills */
.pill-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.pill-chip {
  min-height: 44px;
  padding: 10px 8px;
  border-radius: 999px;
  text-align: center;
  font-weight: 800;
  font-size: 13px;
}

/* presets + fdi */
.preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.preset-chip {
  min-height: 38px;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  color: var(--studio-gold);
}

.fdi-mini {
  display: grid;
  gap: 8px;
  margin-top: 14px;
  padding: 12px;
  border-radius: 18px;
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid rgba(255, 208, 0, 0.12);
}

.fdi-row {
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  gap: 5px;
}

.fdi-chip {
  min-height: 40px;
  border-radius: 12px 12px 16px 16px;
  padding: 4px 2px;
  text-align: center;
  font-size: 11px;
  font-weight: 900;
  color: #1a140c;
  background: linear-gradient(180deg, #fffdf4, #d4ccb8);
}

.fdi-chip.is-on {
  color: #1a1000;
  background: linear-gradient(180deg, #fff0a8, #e0a010 58%, #7a5200);
}

.fdi-chip.is-focus {
  box-shadow: 0 0 0 2px #7ee0ff, 0 0 16px rgba(126, 224, 255, 0.35);
}

/* scope */
.scope-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 12px;
}

.scope-btn {
  min-height: 48px;
  padding: 10px 12px;
  text-align: center;
  font-weight: 800;
  font-size: 13px;
}

.scope-btn span {
  color: var(--studio-gold);
}

/* summary + cta */
.studio-summary {
  margin: 12px 22px 0;
  padding: 16px 16px 14px;
  border-radius: 20px;
  border: 1px solid rgba(255, 208, 0, 0.22);
  background:
    linear-gradient(145deg, rgba(255, 208, 0, 0.12), rgba(255, 208, 0, 0.03));
  color: var(--studio-ink);
}

.studio-summary h3 {
  margin: 0 0 10px;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--studio-gold);
}

.studio-summary .sum-grid {
  display: grid;
  gap: 6px;
  font-size: 0.92rem;
}

.studio-summary .sum-price {
  margin-top: 10px;
  font-size: 1.45rem;
  font-weight: 900;
  color: #fff;
}

.studio-summary .sum-teeth {
  margin-top: 8px;
  color: var(--studio-muted);
  font-size: 12px;
  line-height: 1.4;
  word-break: break-word;
}

.studio-cta {
  display: grid;
  gap: 10px;
  padding: 16px 22px 0;
}

.studio-cta .btn.ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--studio-muted);
}

.studio-cta .btn.ghost:hover {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
}

.legal-line {
  margin: 12px 22px 0;
  color: var(--studio-muted);
  font-size: 11px;
  line-height: 1.4;
}

/* howto */
.studio-howto {
  padding: 10px 0 56px;
}

.howto-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.howto-card {
  border: 1px solid var(--studio-line);
  border-radius: var(--studio-radius);
  padding: 22px;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.72), rgba(0, 0, 0, 0.4));
}

.howto-card h3 {
  margin: 0 0 12px;
  color: var(--studio-gold);
}

.howto-card ol,
.howto-card ul {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--studio-ink);
  line-height: 1.55;
}

.howto-card li + li {
  margin-top: 6px;
}

/* toast */
.studio-toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(12px);
  z-index: 80;
  padding: 12px 18px;
  border-radius: 999px;
  background: rgba(12, 10, 6, 0.94);
  border: 1px solid rgba(255, 208, 0, 0.45);
  color: #fff;
  font-weight: 800;
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.studio-toast.is-on {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* conditional hide */
.studio-block.is-hidden {
  display: none;
}

/* fullscreen stage overlay */
.studio-stage.is-fs {
  position: fixed;
  inset: 12px;
  z-index: 70;
  border-radius: 20px;
}

body.studio-fs-lock {
  overflow: hidden;
}

/* responsive */
@media (max-width: 1100px) {
  .studio-layout {
    grid-template-columns: 1fr;
  }

  .studio-stage-wrap {
    position: relative;
    top: 0;
  }

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

@media (max-width: 720px) {
  .stage-chrome {
    flex-direction: column;
    align-items: stretch;
  }

  .stage-actions {
    justify-content: flex-start;
  }

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

  .pill-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .fdi-chip {
    min-height: 34px;
    font-size: 10px;
    border-radius: 9px 9px 12px 12px;
  }

  .stage-hint {
    font-size: 11px;
    padding: 8px 10px;
  }

  .panel-head,
  .studio-block {
    padding-left: 16px;
    padding-right: 16px;
  }

  .studio-summary,
  .studio-cta,
  .legal-line {
    margin-left: 16px;
    margin-right: 16px;
  }

  .studio-cta {
    padding-left: 0;
    padding-right: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .stage-dot {
    animation: none;
  }

  .choice-card,
  .swatch-card,
  .style-card,
  .pill-chip,
  .preset-chip,
  .scope-btn,
  .fdi-chip,
  .stage-btn,
  .studio-toast {
    transition: none;
  }
}