/* ══════════════════════════════════════════════════════════════
   Virtual Jewelry Try-On — Styles
   Uses design tokens from style.css
   ══════════════════════════════════════════════════════════════ */

/* ─── Page Reset ─── */
.tryon-body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  overflow: hidden;
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
}

/* ─── Top Bar ─── */
.tryon-topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 56px;
  background: rgba(10, 11, 15, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.tryon-back {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  text-decoration: none;
  transition: gap 0.3s, opacity 0.3s;
}

.tryon-back:hover {
  gap: 12px;
  opacity: 0.8;
}

.tryon-title {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--color-white);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.tryon-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.tryon-status-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-muted);
  transition: background 0.4s;
}

.tryon-status.ready .tryon-status-dot {
  background: var(--color-accent);
  animation: pulse 2s ease-in-out infinite;
}

/* ─── AR Viewport ─── */
.tryon-viewport {
  position: relative;
  flex: 1;
  margin-top: 56px;
  margin-bottom: 140px;
  overflow: hidden;
  background: #000;
}

.tryon-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scaleX(-1);
  z-index: 1;
}

.tryon-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scaleX(-1);
  z-index: 2;
  pointer-events: none;
}

/* ─── Hidden attribute support (flex/grid override fix) ─── */
.tryon-loading[hidden],
.tryon-permission[hidden],
.tryon-no-face[hidden] {
  display: none !important;
}

/* ─── Loading Overlay ─── */
.tryon-loading {
  position: absolute;
  inset: 0;
  z-index: 50;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  background: var(--color-bg);
}

.tryon-spinner {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.06);
  border-top-color: var(--color-accent);
  border-right-color: var(--color-accent-2);
  animation: tryonSpin 1s linear infinite;
}

@keyframes tryonSpin {
  to { transform: rotate(360deg); }
}

.tryon-loading-text {
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--color-text);
}

.tryon-loading-sub {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
}

/* ─── Permission Overlay ─── */
.tryon-permission {
  position: absolute;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
}

.tryon-permission-card {
  text-align: center;
  max-width: 380px;
  padding: 48px 36px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 20px;
}

.tryon-permission-icon {
  color: var(--color-accent);
  margin-bottom: 24px;
  opacity: 0.7;
}

.tryon-permission-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--color-white);
  margin-bottom: 12px;
}

.tryon-permission-desc {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--color-muted);
  margin-bottom: 28px;
}

.tryon-permission-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  font-size: 0.78rem;
  font-family: var(--font-sans);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-bg);
  background: var(--gradient-aurora);
  background-size: 200% 200%;
  animation: auroraShift 4s ease-in-out infinite;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
}

.tryon-permission-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(93, 228, 199, 0.2),
              0 0 60px rgba(167, 139, 250, 0.1);
}

/* ─── No Face Indicator ─── */
.tryon-no-face {
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
  background: rgba(10, 11, 15, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 40px;
  white-space: nowrap;
  animation: tryonFadeIn 0.4s ease forwards;
}

@keyframes tryonFadeIn {
  from { opacity: 0; transform: translateX(-50%) translateY(-8px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ─── Carousel Wrapper ─── */
.tryon-carousel-wrapper {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 80;
  background: rgba(10, 11, 15, 0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 12px 0 20px;
}

/* ─── Category Tabs ─── */
.tryon-category-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 0 24px 12px;
}

.tryon-cat-btn {
  padding: 6px 20px;
  font-size: 0.65rem;
  font-family: var(--font-sans);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 30px;
  cursor: pointer;
  transition: all 0.3s;
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.tryon-cat-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: 30px;
  background: var(--gradient-aurora);
  background-size: 200% 200%;
  animation: auroraShift 4s ease-in-out infinite;
  opacity: 0;
  transition: opacity 0.3s;
}

.tryon-cat-btn:hover {
  color: var(--color-text);
  border-color: rgba(93, 228, 199, 0.2);
}

.tryon-cat-btn.active {
  color: #000000;
  font-weight: 700;
  -webkit-text-fill-color: #000000;
  border-color: transparent;
}

.tryon-cat-btn.active::before {
  opacity: 1;
}

/* ─── Carousel Track ─── */
.tryon-carousel {
  display: flex;
  gap: 12px;
  padding: 0 24px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.tryon-carousel::-webkit-scrollbar {
  display: none;
}

/* ─── Jewelry Item Card ─── */
.tryon-item {
  flex: 0 0 auto;
  width: 88px;
  scroll-snap-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: transform 0.3s;
}

.tryon-item:hover {
  transform: translateY(-2px);
}

.tryon-item-preview {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  border: 2px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.03);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s, background 0.3s;
}

.tryon-item-preview canvas {
  width: 48px;
  height: 48px;
}

.tryon-item.active .tryon-item-preview {
  border-color: var(--color-accent);
  box-shadow: 0 0 16px rgba(93, 228, 199, 0.2),
              0 0 4px rgba(93, 228, 199, 0.3);
  background: rgba(93, 228, 199, 0.06);
}

.tryon-item-name {
  font-size: 0.58rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
  text-align: center;
  line-height: 1.3;
  transition: color 0.3s;
  white-space: nowrap;
}

.tryon-item.active .tryon-item-name {
  color: var(--color-accent);
}

/* ─── Responsive ─── */
@media (max-width: 900px) {
  .tryon-topbar {
    padding: 0 16px;
  }

  .tryon-carousel-wrapper {
    padding: 10px 0 16px;
  }

  .tryon-viewport {
    margin-bottom: 130px;
  }
}

@media (max-width: 640px) {
  .tryon-topbar {
    height: 48px;
    padding: 0 12px;
  }

  .tryon-title {
    font-size: 0.78rem;
  }

  .tryon-back span {
    display: none;
  }

  .tryon-viewport {
    margin-top: 48px;
    margin-bottom: 120px;
  }

  .tryon-carousel-wrapper {
    padding: 8px 0 14px;
  }

  .tryon-category-tabs {
    padding: 0 16px 8px;
  }

  .tryon-carousel {
    padding: 0 16px;
    gap: 10px;
  }

  .tryon-item {
    width: 76px;
  }

  .tryon-item-preview {
    width: 56px;
    height: 56px;
    border-radius: 14px;
  }

  .tryon-item-preview canvas {
    width: 40px;
    height: 40px;
  }

  .tryon-item-name {
    font-size: 0.52rem;
  }

  .tryon-no-face {
    font-size: 0.6rem;
    padding: 6px 14px;
  }
}