/* ==========================================================================
   videos.css — rule videos page (/videos/, generated from
   web_source/template/videopage_template.j2)
   Depends on style.css for tokens, header, footer and .page-intro.
   ========================================================================== */

.videos-content {
  max-width: 1100px;
  padding-top: 1.5rem;
  flex-grow: 1;
}

/* Back link (same style as on the detail pages) */
#nav_back {
  margin: 0 0 1.25rem;
}
#nav_back a {
  color: var(--text-muted);
  font-weight: 500;
}
#nav_back a:hover { color: var(--accent); }

/* ---- UI language: German by default, English once the page switches ------ */
.i18n-en { display: none; }
html[data-ui-lang="en"] .i18n-en { display: revert; }
html[data-ui-lang="en"] .i18n-de { display: none; }

/* ---- Toolbar: language switch + search ----------------------------------- */
.video-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  margin-bottom: 1.5rem;
}

.lang-switch {
  display: inline-flex;
  padding: 0.2rem;
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
}
.lang-switch button {
  font: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-radius: 999px;
  padding: 0.4rem 1rem;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.lang-switch button:hover { color: var(--accent); }
.lang-switch button[aria-pressed="true"] {
  background: var(--accent);
  color: var(--accent-contrast);
}

/* Search field */
.video-search {
  position: relative;
  flex: 1 1 16rem;
  max-width: 24rem;
}
.video-search input {
  width: 100%;
  font: inherit;
  font-size: 0.95rem;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 0.55rem 0.75rem 0.55rem 2.2rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.video-search input::placeholder { color: var(--text-muted); }
.video-search input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.video-search .search-icon {
  position: absolute;
  left: 0.7rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1.05rem;
  height: 1.05rem;
  pointer-events: none;
  opacity: 0.6;
  color: var(--text-muted);
}

/* ---- Video cards --------------------------------------------------------- */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  gap: 1.5rem;
}

.video-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  scroll-margin-top: calc(var(--header-h) + 12px);
}
.video-card:target {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft), var(--shadow-md);
}
.video-card[hidden] { display: none; }

/* Only the version in the active language is shown */
.video-card [data-lang]:not(.is-active) { display: none; }

.video-player {
  background: #000000;
}
.video-player video,
.video-player iframe,
.video-player .yt-facade {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
}
.video-player video[hidden] { display: none; }

/* Part switcher for videos in several parts */
.video-parts {
  display: flex;
  gap: 0.4rem;
  padding: 0.6rem 1.25rem 0;
  background: var(--surface);
}
.video-parts button {
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 0.25rem 0.8rem;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.video-parts button:hover { color: var(--accent); border-color: var(--accent); }
.video-parts button[aria-pressed="true"] {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

/* Click-to-load placeholder for YouTube videos */
.yt-facade {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 1rem;
  font: inherit;
  color: #ffffff;
  background: var(--header-bg) center / cover no-repeat;
  border: none;
  cursor: pointer;
  text-align: center;
}
.yt-facade[hidden] { display: none; }
.yt-facade img {
  width: 3.5rem;
  height: 3.5rem;
  filter: brightness(0) invert(1);
  transition: transform 0.15s ease;
}
.yt-facade:hover img { transform: scale(1.08); }
.yt-facade-text {
  display: flex;
  flex-direction: column;
  font-weight: 600;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
}
.yt-facade-text small {
  font-weight: 400;
  font-size: 0.8rem;
  opacity: 0.85;
}

.video-body {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1rem 1.25rem 1.25rem;
  flex-grow: 1;
}
.video-title {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 0;
  font-size: 1.15rem;
}
.video-title-text { color: var(--text); }
.rule-badge {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  line-height: 1;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-contrast);
}
.video-description {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}
.video-note {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-style: italic;
}
.video-rule-link {
  margin-top: auto;
  padding-top: 0.25rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.video-empty {
  display: none;
  color: var(--text-muted);
}

/* Shown while there are no videos yet */
.video-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 3rem 1.5rem;
  text-align: center;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-lg);
}
.video-placeholder img {
  width: 3.5rem;
  opacity: 0.35;
  margin-bottom: 0.5rem;
}
@media (prefers-color-scheme: dark) {
  .video-placeholder img { filter: invert(1); }
}
.video-placeholder p { margin: 0; }