/* ------------------ Base Slider ------------------ */

.slider {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: var(--bg-surface);
}

.slider__container {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.slider__track {
  display: flex;
  transition: transform var(--slider-transition-duration) ease-in-out;
  height: 100%;
}

.slider__slide {
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
  position: relative;
}

/* ------------------ Slide Content ------------------ */

.slider__media {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.slider__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.slider__slide-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-6);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  color: var(--text-inverse);
}

.slider__slide-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-inverse);
  margin-bottom: var(--space-1);
}

.slider__slide-description {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0;
}

/* ------------------ Navigation Arrows ------------------ */

.slider__arrow {
  position: absolute;
  top: 50%;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--bg-surface);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

[lang="en"] .slider__arrow {
  rotate: 180deg;
}

.slider__arrow:hover {
  background: var(--color-primary);
  color: var(--text-on-primary);
  transform: scale(1.05);
}

.slider__arrow:active {
  transform: scale(0.98);
}

.slider__arrow--prev {
  inset-inline-start: var(--space-4);
}

.slider__arrow--next {
  inset-inline-end: var(--space-4);
}

.slider__arrow svg {
  width: 20px;
  height: 20px;
}

.slider__arrow--prev svg {
  transform: rotate(180deg);
}

/* ------------------ Pagination Dots ------------------ */

.slider__pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4);
  position: absolute;
  inset-inline: 0;
  inset-block-end: 0;
  pointer-events: none;
}

.slider__dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: var(--bg-body);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  opacity: 0.4;
  box-shadow: var(--shadow-md);
  pointer-events: all;
}

.slider__dot:hover {
  background: var(--color-primary-light);
  transform: scale(1.1);
  opacity: 1;
}

.slider__dot--active {
  background: var(--color-primary-light);
  width: 24px;
  border-radius: var(--radius-full);
  opacity: 1;
}

[data-theme="dark"] .slider__dot--active {
  background-color: var(--color-primary);
}

.slider__dot--active::after {
  content: '';
  position: absolute;
  inset: -4px;
  border: 2px solid var(--color-primary-light);
  border-radius: var(--radius-full);
  opacity: 0.5;
  animation: dotPulse 2s infinite;
}

[data-theme="dark"] .slider__dot--active::after {
  border-color: var(--color-primary);
}

@keyframes dotPulse {

  0%,
  100% {
    transform: scale(1);
    opacity: 0.3;
  }

  50% {
    transform: scale(1.3);
    opacity: 0;
  }
}

/* ------------------ Video Controls ------------------ */

.slider__video-control {
  position: absolute;
  bottom: var(--space-4);
  right: var(--space-4);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--bg-surface);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0.7;
  z-index: 10;
  transition: all var(--transition-fast);
  color: var(--text-primary);
}

.slider__video-control:hover {
  background: var(--bg-body);
  transform: scale(1.05);
  opacity: 1;
}

.slider__video-control svg {
  width: 18px;
  height: 18px;
}

/* ------------------ Progress Bar ------------------ */

.slider__progress {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(255, 255, 255, 0.2);
  z-index: 10;
}

[data-theme="dark"] .slider__progress {
  background: rgba(255, 255, 255, 0.1);
}

.slider__progress-bar {
  height: 100%;
  background: var(--color-primary);
  transition: width 100ms linear;
  border-radius: 0 var(--radius-full) var(--radius-full) 0;
}

[data-theme="dark"] .slider__progress-bar {
  background: var(--color-primary-light);
}

/* ------------------ Loading State ------------------ */

.slider__loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface);
  z-index: 20;
}

.slider__loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top-color: var(--color-primary);
  border-radius: var(--radius-full);
  animation: spin 1s linear infinite;
}

[data-theme="dark"] .slider__loading-spinner {
  border-color: var(--border-color);
  border-top-color: var(--color-primary-light);
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ------------------ Thumbnail Navigation ------------------ */

.slider__thumbnails {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-3);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

[data-theme="dark"] .slider__thumbnail {
  opacity: 0.5;
}

.slider__thumbnails::-webkit-scrollbar {
  display: none;
}

.slider__thumbnail {
  flex: 0 0 80px;
  height: 60px;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-fast);
  opacity: 0.6;
}

.slider__thumbnail:hover {
  opacity: 0.8;
  transform: scale(1.05);
}

.slider__thumbnail--active {
  border-color: var(--color-primary);
  opacity: 1;
}

.slider__thumbnail img,
.slider__thumbnail video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ------------------ Responsive ------------------ */

@media (max-width: 768px) {
  .slider__arrow {
    width: 36px;
    height: 36px;
  }

  .slider__arrow svg {
    width: 16px;
    height: 16px;
  }

  .slider__arrow--prev {
    inset-inline-start: var(--space-2);
  }

  .slider__arrow--next {
    inset-inline-end: var(--space-2);
  }

  .slider__slide-content {
    padding: var(--space-4);
  }

  .slider__slide-title {
    font-size: var(--font-size-base);
  }

  .slider__slide-description {
    font-size: var(--font-size-xs);
  }

  .slider__thumbnail {
    flex: 0 0 60px;
    height: 45px;
  }
}

@media (max-width: 480px) {
  .slider__arrow {
    display: none;
  }

  .slider__dot {
    width: 8px;
    height: 8px;
  }

  .slider__dot--active {
    width: 20px;
  }
}