.avl-video-library {
  --avl-bg: #ffffff;
  --avl-text: #222735;
  --avl-muted: #4f5866;
  --avl-accent: #166680;
  --avl-accent-2: #2f7d8a;
  --avl-border: rgba(22, 102, 128, 0.14);
  --avl-shadow: 0 14px 34px rgba(20, 30, 40, 0.12);
  --avl-radius: 8px;

  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  color: var(--avl-text);
}

.avl-video-library *,
.avl-video-library *::before,
.avl-video-library *::after {
  box-sizing: border-box;
}

.avl-sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.avl-video-library__header {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: end;
  margin-bottom: 36px;
}

.avl-video-library__title {
  margin: 0;
  color: var(--avl-text);
  font-size: clamp(30px, 3vw, 44px);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-align: center;
}

.avl-video-library__search-wrap {
  position: relative;
  min-width: 320px;
}

.avl-video-library__search {
  width: 100%;
  min-height: 44px;
  padding: 10px 48px 10px 16px;
  border: 1px solid rgba(34, 39, 53, 0.18);
  border-radius: 6px;
  background: #ffffff;
  color: var(--avl-text);
  font-size: 16px;
  line-height: 1.35;
  box-shadow: 0 4px 14px rgba(20, 30, 40, 0.06);
}

.avl-video-library__search:focus-visible {
  outline: 3px solid rgba(22, 102, 128, 0.35);
  outline-offset: 3px;
  border-color: var(--avl-accent);
}

.avl-video-grid {
  display: grid;
  gap: 28px;
  width: 100%;
}

.avl-video-grid--cols-1 {
  grid-template-columns: 1fr;
}

.avl-video-grid--cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.avl-video-grid--cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.avl-video-grid--cols-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.avl-video-card {
  overflow: hidden;
  background: var(--avl-bg);
  border: 1px solid var(--avl-border);
  border-top: 4px solid var(--avl-accent);
  border-radius: var(--avl-radius);
  box-shadow: var(--avl-shadow);
  color: var(--avl-text);
}

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

.avl-video-card__thumb-button {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 7.4;
  padding: 0;
  border: 0;
  background: #dfe5e8;
  cursor: pointer;
  overflow: hidden;
}

.avl-video-card__thumb-button:disabled {
  cursor: not-allowed;
  opacity: 0.7;
}

.avl-video-card__thumb-button:focus-visible {
  outline: 4px solid #111827;
  outline-offset: -4px;
}

.avl-video-card__thumb {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 180ms ease, filter 180ms ease;
}

.avl-video-card__thumb--placeholder {
  background: linear-gradient(135deg, #dfe5e8, #eef3f5);
}

.avl-video-card__thumb-button:hover .avl-video-card__thumb,
.avl-video-card__thumb-button:focus-visible .avl-video-card__thumb {
  transform: scale(1.03);
  filter: brightness(0.94);
}

.avl-video-card__play {
  position: absolute;
  left: 50%;
  top: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: var(--avl-accent);
  transform: translate(-50%, -50%);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.22);
}

.avl-video-card__play-icon {
  width: 0;
  height: 0;
  margin-left: 5px;
  border-top: 14px solid transparent;
  border-bottom: 14px solid transparent;
  border-left: 22px solid #ffffff;
}

.avl-video-card__body {
  padding: 16px 18px 18px;
}

.avl-video-card__title {
  margin: 0 0 8px;
  color: var(--avl-text);
  font-size: 23px;
  line-height: 1.2;
  font-weight: 700;
}

.avl-video-card__description {
  margin: 0;
  color: var(--avl-text);
  font-size: 16px;
  line-height: 1.45;
}

.avl-video-library__empty {
  margin: 28px 0 0;
  color: var(--avl-muted);
  font-size: 16px;
}

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

.avl-modal[hidden] {
  display: none !important;
}

.avl-modal {
  position: fixed;
  inset: 0;
  z-index: 999999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.avl-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 16, 24, 0.72);
}

.avl-modal__dialog {
  position: relative;
  width: min(960px, 100%);
  max-height: calc(100vh - 48px);
  overflow: auto;
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

.avl-modal__dialog:focus-visible {
  outline: 4px solid rgba(255, 255, 255, 0.8);
  outline-offset: 4px;
}

.avl-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border-bottom: 1px solid rgba(34, 39, 53, 0.12);
}

.avl-modal__title {
  margin: 0;
  color: var(--avl-text);
  font-size: 21px;
  line-height: 1.25;
  font-weight: 700;
}

.avl-modal__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 50%;
  background: rgba(22, 102, 128, 0.10);
  color: var(--avl-text);
  cursor: pointer;
  font-size: 32px;
  line-height: 1;
}

.avl-modal__close:hover,
.avl-modal__close:focus-visible {
  background: var(--avl-accent);
  color: #ffffff;
  outline: 3px solid rgba(22, 102, 128, 0.35);
  outline-offset: 3px;
}

.avl-modal__frame-wrap {
  aspect-ratio: 16 / 9;
  background: #000000;
}

.avl-modal__frame-wrap iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

body.avl-modal-open {
  overflow: hidden;
}

@media (max-width: 1200px) {
  .avl-video-grid--cols-3,
  .avl-video-grid--cols-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .avl-video-library__header {
    grid-template-columns: 1fr;
    align-items: stretch;
    margin-bottom: 24px;
  }

  .avl-video-library__title {
    text-align: left;
  }

  .avl-video-library__search-wrap {
    min-width: 0;
  }

  .avl-video-grid,
  .avl-video-grid--cols-2,
  .avl-video-grid--cols-3,
  .avl-video-grid--cols-4 {
    grid-template-columns: 1fr;
  }

  .avl-video-card__thumb-button {
    aspect-ratio: 16 / 9;
  }

  .avl-video-card__play {
    width: 58px;
    height: 58px;
  }

  .avl-video-card__play-icon {
    border-top-width: 12px;
    border-bottom-width: 12px;
    border-left-width: 19px;
  }

  .avl-modal {
    padding: 12px;
  }

  .avl-modal__dialog {
    max-height: calc(100vh - 24px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .avl-video-card__thumb {
    transition: none;
  }
}