/* ============================================================
   Player Layout — CSS Grid
   ============================================================ */
body { overflow: hidden; }

.player {
  display: grid;
  grid-template-rows: 52px 1fr 100px;
  grid-template-areas:
    "topbar"
    "stage"
    "filmstrip";
  height: 100vh;
  background: var(--color-bg);
  overflow: hidden;
}

/* ============================================================
   Top Bar
   ============================================================ */
.player__topbar {
  grid-area: topbar;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px 0 20px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  gap: 16px;
}

.player__topbar-left,
.player__topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
}

.player__topbar-right {
  justify-content: flex-end;
}

.player__topbar-center {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.player__back {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--color-text-3);
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.player__back:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}

.player__topbar-divider {
  width: 1px;
  height: 18px;
  background: var(--color-border);
}

.player__topbar-brand {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: -0.02em;
}

.player__product-badge {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 99px;
  border: 1px solid;
  white-space: nowrap;
}
.player__product-badge--all {
  color: var(--color-text-3);
  border-color: var(--color-border-2);
  background: transparent;
}

.player__counter {
  font-size: 12px;
  color: var(--color-text-3);
  font-variant-numeric: tabular-nums;
}
.player__counter-sep {
  margin: 0 3px;
  color: var(--color-border-2);
}

/* Product filter pills */
.player__filter {
  display: flex;
  align-items: center;
  gap: 4px;
}
.player__filter-item {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-3);
  padding: 4px 10px;
  border-radius: 99px;
  border: 1px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}
.player__filter-item:hover {
  color: var(--color-text-2);
  border-color: var(--color-border-2);
}
.player__filter-item.is-active {
  color: var(--active-color, var(--color-accent));
  border-color: var(--active-color, var(--color-accent));
  background: rgba(232,197,71,0.08);
}

.player__icon-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-3);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: var(--transition);
  flex-shrink: 0;
}
.player__icon-btn:hover {
  color: var(--color-text);
  border-color: var(--color-border-2);
  background: var(--color-surface-2);
}

/* ============================================================
   Stage
   ============================================================ */
.player__stage {
  grid-area: stage;
  display: grid;
  grid-template-columns: 1fr 380px;
  overflow: hidden;
}

/* ============================================================
   Image Panel
   ============================================================ */
.player__image-panel {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #080808;
  overflow: hidden;
}

.player__image-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: 24px;
}

.player__image {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 40px rgba(0,0,0,0.6);
  opacity: 1;
  transition: opacity 220ms ease;
}

.player__image.is-fading {
  opacity: 0;
}

/* Prev/Next nav arrows */
.player__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(20, 20, 20, 0.85);
  border: 1px solid var(--color-border-2);
  color: var(--color-text);
  opacity: 0;
  transition: opacity var(--transition), background var(--transition), transform 200ms ease;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.player__image-panel:hover .player__nav {
  opacity: 1;
}
.player__nav:hover {
  background: rgba(40, 40, 40, 0.95);
}
.player__nav--prev {
  left: 16px;
}
.player__nav--next {
  right: 16px;
}
.player__nav:active {
  transform: translateY(-50%) scale(0.93);
}

/* ============================================================
   Description Sidebar
   ============================================================ */
.player__sidebar {
  border-left: 1px solid var(--color-border);
  background: var(--color-surface);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border-2) transparent;
}
.player__sidebar::-webkit-scrollbar { width: 4px; }
.player__sidebar::-webkit-scrollbar-track { background: transparent; }
.player__sidebar::-webkit-scrollbar-thumb { background: var(--color-border-2); border-radius: 2px; }

.player__sidebar-inner {
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-height: 100%;
  justify-content: center;
}

.player__sidebar-top {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.player__desc-product {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  transition: color var(--transition-slow);
}

.player__desc-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
  line-height: 1.3;
  transition: opacity var(--transition-slow);
}

.player__desc-text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-text-2);
  transition: opacity var(--transition-slow);
}

.player__features-wrap {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.player__features-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-3);
}

.player__features {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.player__features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--color-text-2);
  line-height: 1.5;
}

.player__features li::before {
  content: '';
  flex-shrink: 0;
  width: 5px;
  height: 5px;
  margin-top: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

.player__filename {
  font-size: 11px;
  color: var(--color-text-3);
  font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
  margin-top: 4px;
  word-break: break-all;
}

/* ============================================================
   Filmstrip
   ============================================================ */
.player__filmstrip {
  grid-area: filmstrip;
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 10px 16px;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  scrollbar-width: thin;
  scrollbar-color: var(--color-border-2) transparent;
}
.player__filmstrip::-webkit-scrollbar { height: 4px; }
.player__filmstrip::-webkit-scrollbar-track { background: transparent; }
.player__filmstrip::-webkit-scrollbar-thumb { background: var(--color-border-2); border-radius: 2px; }

.player__thumb {
  position: relative;
  flex-shrink: 0;
  width: 116px;
  height: 72px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 2px solid transparent;
  transition: border-color var(--transition), transform var(--transition), opacity var(--transition);
  background: var(--color-surface-2);
  opacity: 0.55;
}
.player__thumb:hover {
  opacity: 0.85;
  border-color: var(--color-border-2);
  transform: scale(1.04);
}
.player__thumb.is-active {
  border-color: var(--color-accent);
  opacity: 1;
  transform: scale(1.06);
}

.player__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.player__thumb-num {
  position: absolute;
  bottom: 3px;
  right: 4px;
  font-size: 9px;
  font-weight: 600;
  color: rgba(255,255,255,0.5);
  line-height: 1;
}

/* ============================================================
   Fullscreen overrides
   ============================================================ */
.player:fullscreen {
  grid-template-rows: 52px 1fr 0;
}
.player:fullscreen .player__filmstrip {
  display: none;
}
.player:-webkit-full-screen {
  grid-template-rows: 52px 1fr 0;
}
.player:-webkit-full-screen .player__filmstrip {
  display: none;
}

/* ============================================================
   Empty state
   ============================================================ */
.player-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  font-size: 16px;
  color: var(--color-text-3);
}
.player-empty a {
  color: var(--color-accent);
  text-decoration: underline;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
  .player__stage {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr auto;
  }
  .player__sidebar {
    border-left: none;
    border-top: 1px solid var(--color-border);
    max-height: 220px;
  }
  .player__sidebar-inner {
    padding: 16px 20px;
    justify-content: flex-start;
    gap: 10px;
  }
  .player__desc-title { font-size: 17px; }
  .player__desc-text { font-size: 13px; }
  .player__features { display: none; }
  .player__filter { display: none; }
}