/* =============================================================================
   Single Video Page — single-video.php
   ============================================================================= */

.svid-wrap {
  padding-block: var(--space-xl);
  background-color: var(--color-background);
}

/* ── Two-column layout ── */

.svid-layout {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-gutter);
}

@media (min-width: 1024px) {
  .svid-layout {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--space-xl);
  }
}

/* =============================================================================
   LEFT — Video List
   ============================================================================= */

.svid-list {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-height: 420px;
  overflow-y: auto;
  scrollbar-width: thin;
  border: 1px solid var(--color-surface-variant);
  border-radius: calc(var(--radius) * 2);
  background-color: var(--color-surface-container-lowest);
  flex-shrink: 0;
}

@media (min-width: 1024px) {
  .svid-list {
    width: 320px;
    max-height: 560px;
    order: -1; /* luôn bên trái trên desktop */
  }
}

/* Item */

.svid-item {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 0.75rem 1rem;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  border-bottom: 1px solid var(--color-surface-variant);
  cursor: pointer;
  transition: background-color var(--transition-base);
}

.svid-item:last-child {
  border-bottom: none;
}

.svid-item:hover {
  background-color: var(--color-surface-container-low);
}

.svid-item--active {
  background-color: var(--color-surface-container);
}

/* Thumbnail */

.svid-item__thumb {
  position: relative;
  width: 96px;
  height: 54px;
  flex-shrink: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--color-primary-container);
}

.svid-item__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.svid-item__play-icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.35);
  color: #fff;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.svid-item__play-icon .material-symbols-outlined {
  font-size: 28px;
}

.svid-item--active .svid-item__play-icon,
.svid-item:hover .svid-item__play-icon {
  opacity: 1;
}

/* Title */

.svid-item__title {
  font-family: var(--font-sans);
  font-size: var(--fz-body-sm);
  line-height: var(--lh-body-sm);
  font-weight: 400;
  color: var(--color-on-surface-variant);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--transition-base);
}

.svid-item--active .svid-item__title {
  color: var(--color-primary);
  font-weight: 500;
}

.svid-item:hover .svid-item__title {
  color: var(--color-on-surface);
}

/* =============================================================================
   RIGHT — Video Player
   ============================================================================= */

.svid-player {
  flex: 1;
  min-width: 0;
}

.svid-player__ratio {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: #000;
  border-radius: calc(var(--radius) * 2);
  overflow: hidden;
}

.svid-player__video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.svid-player__title {
  font-family: var(--font-serif);
  font-size: var(--fz-headline-sm);
  line-height: var(--lh-headline-sm);
  font-weight: 500;
  color: var(--color-on-surface);
  margin-bottom: var(--space-md);
}

@media (min-width: 1024px) {
  .svid-player__title {
    font-size: var(--fz-headline-md);
    line-height: var(--lh-headline-md);
  }
}

/* =============================================================================
   EMPTY STATE
   ============================================================================= */

.svid-empty {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-xl) var(--space-gutter);
  text-align: center;
}

.svid-empty__icon {
  font-size: 56px;
  color: var(--color-outline-variant);
  display: block;
}

.svid-empty__text {
  font-size: var(--fz-body-lg);
  color: var(--color-on-surface-variant);
}