/* ═══ Media player — preview + lightbox (site-wide) ═══ */

.media-player {
  margin: 0;
}

.media-player__trigger {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  text-align: inherit;
  font: inherit;
  color: inherit;
  border-radius: var(--radius, 10px);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.media-player__trigger:hover {
  transform: translateY(-1px);
}

.media-player__trigger:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.media-player__frame {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  border-radius: inherit;
  background: linear-gradient(145deg, #0f1720 0%, #1a2a3a 100%);
  box-shadow:
    var(--color-shadow-lg),
    0 0 0 1px color-mix(in srgb, var(--color-border) 40%, transparent);
}

.media-player--16x9 .media-player__frame,
.media-player--16x9 .media-player__frame {
  aspect-ratio: 16 / 9;
}

.media-player--21x9 .media-player__frame {
  aspect-ratio: 21 / 9;
}

.media-player--4x3 .media-player__frame {
  aspect-ratio: 4 / 3;
}

.media-player__poster {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease, filter 0.35s ease;
}

.media-player__poster--empty {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 12rem;
  background:
    radial-gradient(ellipse 80% 60% at 30% 20%, rgba(var(--rgb-blue), 0.25), transparent 55%),
    radial-gradient(ellipse 70% 50% at 80% 80%, rgba(var(--rgb-green), 0.2), transparent 50%),
    linear-gradient(160deg, #0f1a24 0%, #152230 45%, #1a2a3a 100%);
}

.media-player__veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(15, 23, 32, 0.05) 0%,
    rgba(15, 23, 32, 0.35) 55%,
    rgba(15, 23, 32, 0.55) 100%
  );
  transition: background 0.3s ease;
  pointer-events: none;
}

.media-player__trigger:hover .media-player__poster {
  transform: scale(1.03);
}

.media-player__trigger:hover .media-player__veil {
  background: linear-gradient(
    180deg,
    rgba(15, 23, 32, 0.1) 0%,
    rgba(15, 23, 32, 0.45) 50%,
    rgba(15, 23, 32, 0.65) 100%
  );
}

.media-player__play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.media-player__play-icon {
  color: #fff;
  filter: drop-shadow(0 4px 20px rgba(0, 0, 0, 0.45));
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.media-player__play-ring {
  opacity: 0.85;
}

.media-player__trigger:hover .media-player__play-icon {
  transform: scale(1.08);
}

.media-player__label {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  padding: 2.5rem 1rem 0.85rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: #fff;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.5);
  line-height: 1.3;
  pointer-events: none;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.55) 0%, transparent 100%);
}

.media-player__caption {
  margin-top: 0.6rem;
  font-size: 0.85rem;
  color: var(--color-muted);
  line-height: 1.5;
}

.media-player--hero .media-player__frame {
  border-radius: calc(var(--radius, 10px) + 2px);
}

.media-player--compact {
  margin-top: 0.75rem;
  max-width: 520px;
}

.media-player--compact .media-player__frame {
  border-radius: var(--radius-sm, 8px);
  box-shadow: var(--color-shadow);
}

.media-player--compact .media-player__play-icon {
  width: 40px;
  height: 40px;
}

.learning-video-card .media-player {
  margin: 0;
}

.learning-video-card .media-player__frame {
  border-radius: var(--radius, 10px) var(--radius, 10px) 0 0;
}

.learning-video-card .media-player__caption {
  padding: 0 1rem;
}

/* —— Lightbox modal —— */
.video-lightbox {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 4vw, 2rem);
  box-sizing: border-box;
}

.video-lightbox[hidden] {
  display: none !important;
}

.video-lightbox.is-open {
  animation: video-lightbox-in 0.28s ease;
}

@keyframes video-lightbox-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.video-lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 32, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.video-lightbox__dialog {
  position: relative;
  z-index: 1;
  width: min(960px, 100%);
  max-height: calc(100vh - 2rem);
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border-radius: calc(var(--radius, 10px) + 4px);
  box-shadow:
    0 24px 80px rgba(15, 23, 32, 0.35),
    0 0 0 1px color-mix(in srgb, var(--color-border) 50%, transparent);
  overflow: hidden;
  animation: video-dialog-in 0.32s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes video-dialog-in {
  from {
    opacity: 0;
    transform: scale(0.94) translateY(12px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.video-lightbox__close {
  position: absolute;
  top: 0.65rem;
  inset-inline-end: 0.65rem;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: color-mix(in srgb, var(--color-bg) 85%, transparent);
  color: var(--color-text);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, transform 0.15s;
}

.video-lightbox__close:hover {
  background: var(--color-bg-alt);
  transform: scale(1.05);
}

.video-lightbox__close:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.video-lightbox__header {
  padding: 1rem 3.25rem 0.5rem 1.25rem;
  flex-shrink: 0;
}

.video-lightbox__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  line-height: 1.3;
  color: var(--color-text);
}

.video-lightbox__stage {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #0a0f14;
  flex-shrink: 0;
}

.video-lightbox__stage video,
.video-lightbox__stage iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.video-lightbox__stage video {
  object-fit: contain;
  background: #000;
}

.video-lightbox__caption {
  margin: 0;
  padding: 0.85rem 1.25rem 1.15rem;
  font-size: 0.88rem;
  color: var(--color-text-soft);
  line-height: 1.5;
  flex-shrink: 0;
}

.video-lightbox__caption[hidden] {
  display: none;
}

body.video-lightbox-open {
  overflow: hidden;
}

/* —— Image gallery lightbox —— */
.gallery-lightbox {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 4vw, 2rem);
  box-sizing: border-box;
}

.gallery-lightbox[hidden] {
  display: none !important;
}

.gallery-lightbox.is-open {
  animation: video-lightbox-in 0.28s ease;
}

.gallery-lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 32, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.gallery-lightbox__dialog {
  position: relative;
  z-index: 1;
  width: min(960px, 100%);
  max-height: calc(100vh - 2rem);
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border-radius: var(--radius-lg, 12px);
  box-shadow:
    0 24px 80px rgba(0, 0, 0, 0.35),
    0 0 0 1px color-mix(in srgb, var(--color-border) 50%, transparent);
  overflow: hidden;
}

.gallery-lightbox__close {
  position: absolute;
  top: 0.65rem;
  inset-inline-end: 0.65rem;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: color-mix(in srgb, var(--color-surface) 85%, transparent);
  color: var(--color-text);
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.gallery-lightbox__close:hover {
  background: var(--color-bg-alt);
  transform: scale(1.05);
}

.gallery-lightbox__close:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.gallery-lightbox__nav {
  position: absolute;
  top: 50%;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: color-mix(in srgb, var(--color-surface) 90%, transparent);
  color: var(--color-text);
  cursor: pointer;
  transform: translateY(-50%);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  transition: background 0.2s ease, transform 0.2s ease;
}

.gallery-lightbox__nav:hover {
  background: var(--color-bg-alt);
  transform: translateY(-50%) scale(1.05);
}

.gallery-lightbox__nav:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.gallery-lightbox__nav--prev {
  inset-inline-start: 0.75rem;
}

.gallery-lightbox__nav--next {
  inset-inline-end: 0.75rem;
}

.gallery-lightbox__nav[hidden] {
  display: none;
}

.gallery-lightbox__figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  min-height: 0;
  flex: 1;
}

.gallery-lightbox__stage {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: min(60vh, 480px);
  max-height: calc(100vh - 8rem);
  padding: 2.5rem 3.5rem 0.5rem;
  background: #0f1720;
}

.gallery-lightbox__image {
  display: block;
  max-width: 100%;
  max-height: calc(100vh - 10rem);
  width: auto;
  height: auto;
  object-fit: contain;
}

.gallery-lightbox__caption {
  margin: 0;
  padding: 0.85rem 1.25rem 0.35rem;
  font-size: 0.92rem;
  color: var(--color-text);
  line-height: 1.5;
  text-align: center;
}

.gallery-lightbox__caption[hidden] {
  display: none;
}

.gallery-lightbox__counter {
  margin: 0;
  padding: 0.35rem 1.25rem 1rem;
  font-size: 0.82rem;
  color: var(--color-text-soft);
  text-align: center;
}

body.gallery-lightbox-open {
  overflow: hidden;
}

@media (max-width: 600px) {
  .gallery-lightbox {
    padding: 0.5rem;
  }

  .gallery-lightbox__dialog {
    max-height: calc(100vh - 1rem);
    border-radius: var(--radius, 10px);
  }

  .gallery-lightbox__stage {
    padding: 2.75rem 0.5rem 0.5rem;
    min-height: min(50vh, 320px);
  }

  .gallery-lightbox__nav {
    width: 2.25rem;
    height: 2.25rem;
  }

  .gallery-lightbox__nav--prev {
    inset-inline-start: 0.35rem;
  }

  .gallery-lightbox__nav--next {
    inset-inline-end: 0.35rem;
  }
}

@media (max-width: 600px) {
  .video-lightbox {
    padding: 0.5rem;
  }

  .video-lightbox__dialog {
    max-height: calc(100vh - 1rem);
    border-radius: var(--radius, 10px);
  }

  .video-lightbox__header {
    padding-inline-end: 3rem;
  }
}