/**
 * CECCM - Videos Page Styles
 *
 * Modern glassmorphic design for videos library page.
 * Uses design tokens from design-tokens.css and components from components.css.
 *
 * @version 1.0.0
 * @date 2026-02-18
 */

/* ============================================
   PAGE HERO SECTION
   ============================================ */
.page-hero {
  position: relative;
  min-height: 50vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-16) 0;
  overflow: hidden;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.page-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  animation: float-orb 15s ease-in-out infinite;
}

.page-orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(
    circle,
    rgba(6, 182, 212, 0.3) 0%,
    transparent 70%
  );
  top: -200px;
  left: -200px;
}

.page-orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(
    circle,
    rgba(139, 92, 246, 0.3) 0%,
    transparent 70%
  );
  bottom: -100px;
  right: -100px;
  animation-delay: -5s;
}

@keyframes float-orb {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(30px, -30px) scale(1.05);
  }
  66% {
    transform: translate(-20px, 20px) scale(0.95);
  }
}

.page-hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
}

.page-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #ffffff;
  margin-bottom: var(--space-6);
}

.page-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  color: #ffffff;
  margin-bottom: var(--space-4);
}

.page-subtitle {
  font-size: var(--text-xl);
  color: #94a3b8;
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================
   GLASS CARD
   ============================================ */
.glass-card {
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.08) 0%,
    rgba(255, 255, 255, 0.02) 100%
  );
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.glass-card:hover {
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.12) 0%,
    rgba(255, 255, 255, 0.04) 100%
  );
  border-color: rgba(6, 182, 212, 0.3);
}

/* ============================================
   REVEAL ANIMATIONS
   ============================================ */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-scale.revealed {
  opacity: 1;
  transform: scale(1);
}

/* ============================================
   PAGE HEADER
   ============================================ */
.videos-page-header {
  padding: var(--space-12) 0;
  text-align: center;
}

/* ============================================
   VIDEO FILTERS
   ============================================ */
.video-filters {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
}

.video-filters select,
.video-filters input {
  padding: var(--space-3) var(--space-4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  font-family: var(--font-body);
  color: #f8fafc;
  background: rgba(255, 255, 255, 0.05);
  transition: all var(--transition-fast);
}

.video-filters select:hover,
.video-filters input:hover {
  border-color: rgba(6, 182, 212, 0.3);
}

.video-filters select:focus,
.video-filters input:focus {
  outline: none;
}

.video-filters select:focus-visible,
.video-filters input:focus-visible {
  outline: var(--focus-ring-width, 3px) solid
    var(--focus-color-primary, #06b6d4);
  outline-offset: var(--focus-ring-offset, 3px);
  border-color: var(--focus-color-primary, #06b6d4);
  box-shadow: var(--focus-ring-shadow, 0 0 0 6px rgba(6, 182, 212, 0.25));
}

.video-filters select {
  min-width: 200px;
  cursor: pointer;
}

.video-filters input {
  flex: 1;
  min-width: 200px;
}

.video-filters input::placeholder {
  color: #64748b;
}

/* Filter Pills */
.filter-pills {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  width: 100%;
  margin-top: var(--space-4);
  justify-content: center;
}

.filter-pill {
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: #94a3b8;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-pill:hover,
.filter-pill.active {
  background: linear-gradient(135deg, #06b6d4, #8b5cf6);
  border-color: transparent;
  color: #0a0e1a;
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(6, 182, 212, 0.3);
}

/* ============================================
   VIDEO FILTERS SECTION (Modern)
   ============================================ */
.video-filters-section {
  padding: var(--space-6) 0;
  margin-bottom: var(--space-4);
}

.video-filter-form {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  align-items: center;
}

.filter-group {
  flex: 1;
  min-width: 200px;
}

.search-input-wrapper {
  position: relative;
}

.search-input-wrapper i {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: #64748b;
}

.search-input-wrapper input {
  width: 100%;
  padding: var(--space-3) var(--space-4) var(--space-3) var(--space-10);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  font-family: var(--font-body);
  color: #f8fafc;
  background: rgba(255, 255, 255, 0.05);
  transition: all var(--transition-fast);
}

.search-input-wrapper input:hover {
  border-color: rgba(6, 182, 212, 0.3);
}

.search-input-wrapper input:focus {
  outline: none;
}

.search-input-wrapper input:focus-visible {
  outline: var(--focus-ring-width, 3px) solid
    var(--focus-color-primary, #06b6d4);
  outline-offset: var(--focus-ring-offset, 3px);
  border-color: var(--focus-color-primary, #06b6d4);
  box-shadow: var(--focus-ring-shadow, 0 0 0 6px rgba(6, 182, 212, 0.25));
}

.search-input-wrapper input::placeholder {
  color: #64748b;
}

.category-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  font-family: var(--font-body);
  color: #f8fafc;
  background: rgba(255, 255, 255, 0.05);
  cursor: pointer;
  transition: all var(--transition-fast);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-right: var(--space-10);
}

.category-select:hover {
  border-color: rgba(6, 182, 212, 0.3);
}

.category-select:focus {
  outline: none;
}

.category-select:focus-visible {
  outline: var(--focus-ring-width, 3px) solid
    var(--focus-color-primary, #06b6d4);
  outline-offset: var(--focus-ring-offset, 3px);
  border-color: var(--focus-color-primary, #06b6d4);
  box-shadow: var(--focus-ring-shadow, 0 0 0 6px rgba(6, 182, 212, 0.25));
}

/* Search Results Info */
.search-results-info {
  padding: var(--space-4) 0;
  color: #94a3b8;
  font-size: var(--text-sm);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.search-results-info strong {
  color: #06b6d4;
}

.category-badge {
  padding: var(--space-1) var(--space-3);
  background: rgba(6, 182, 212, 0.15);
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: #06b6d4;
  text-transform: capitalize;
}

/* ============================================
   VIDEO GRID MODERN
   ============================================ */
.video-grid-modern {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

/* ============================================
   VIDEO CARD MODERN
   ============================================ */
.video-card-modern {
  overflow: hidden;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.08) 0%,
    rgba(255, 255, 255, 0.02) 100%
  );
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.video-card-modern:hover {
  transform: translateY(-8px);
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.12) 0%,
    rgba(255, 255, 255, 0.04) 100%
  );
  border-color: rgba(6, 182, 212, 0.3);
  box-shadow:
    0 20px 40px rgba(0, 0, 0, 0.3),
    0 0 40px rgba(6, 182, 212, 0.15);
}

/* Video Thumbnail Modern */
.video-thumbnail-modern {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.3);
}

.video-thumbnail-modern img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.video-card-modern:hover .video-thumbnail-modern img {
  transform: scale(1.05);
}

.thumbnail-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    rgba(6, 182, 212, 0.1),
    rgba(139, 92, 246, 0.1)
  );
}

.thumbnail-placeholder i {
  font-size: 3rem;
  color: #64748b;
}

/* Video Overlay Modern */
.video-overlay-modern {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.video-card-modern:hover .video-overlay-modern {
  opacity: 1;
}

/* Play Button Modern */
.play-btn-modern {
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #06b6d4, #8b5cf6);
  border-radius: 50%;
  color: #ffffff;
  font-size: var(--text-xl);
  text-decoration: none;
  transition: all var(--transition-fast);
  box-shadow: 0 0 40px rgba(6, 182, 212, 0.5);
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.play-btn-modern:hover {
  transform: scale(1.15);
  box-shadow: 0 0 60px rgba(6, 182, 212, 0.8);
}

/* Video Duration Modern */
.video-duration-modern {
  position: absolute;
  bottom: var(--space-2);
  right: var(--space-2);
  padding: var(--space-1) var(--space-2);
  background: rgba(0, 0, 0, 0.8);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  color: #ffffff;
  font-weight: var(--font-weight-semibold);
}

/* Video Views Modern */
.video-views-modern {
  position: absolute;
  bottom: var(--space-2);
  left: var(--space-2);
  padding: var(--space-1) var(--space-2);
  background: rgba(0, 0, 0, 0.6);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* Video Content Modern */
.video-content-modern {
  padding: var(--space-4);
}

.video-category-badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: rgba(6, 182, 212, 0.15);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: #06b6d4;
  text-transform: capitalize;
  margin-bottom: var(--space-2);
}

.video-content-modern h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
  font-weight: var(--font-weight-semibold);
  color: #ffffff;
}

.video-content-modern h3 a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.video-content-modern h3 a:hover {
  color: #06b6d4;
}

.video-content-modern > p {
  color: #94a3b8;
  font-size: var(--text-sm);
  margin-bottom: var(--space-3);
  line-height: var(--leading-relaxed);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-meta-modern {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: #64748b;
}

.video-meta-modern span {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.video-meta-modern i {
  color: #06b6d4;
}

/* ============================================
   NO RESULTS MODERN
   ============================================ */
.no-results-modern {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-16) var(--space-8);
}

.no-results-icon {
  width: 120px;
  height: 120px;
  margin: 0 auto var(--space-6);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
}

.no-results-icon i {
  font-size: 3rem;
  color: #64748b;
}

.no-results-modern h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
  color: #ffffff;
}

.no-results-modern p {
  color: #94a3b8;
  margin-bottom: var(--space-6);
}

/* ============================================
   PAGINATION MODERN
   ============================================ */
.pagination-modern {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-2);
  margin: var(--space-8) 0;
  flex-wrap: wrap;
}

.pagination-ellipsis {
  padding: 0 var(--space-2);
  color: #64748b;
}

.pagination-current {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--space-3);
  background: linear-gradient(135deg, #06b6d4, #8b5cf6);
  border-radius: var(--radius-lg);
  color: #0a0e1a;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
}

.pagination-link-modern {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--space-3);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  color: #f8fafc;
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
}

.pagination-link-modern:hover {
  background: rgba(6, 182, 212, 0.15);
  border-color: rgba(6, 182, 212, 0.3);
  color: #06b6d4;
}

.pagination-info-modern {
  text-align: center;
  color: #64748b;
  font-size: var(--text-sm);
  margin-top: var(--space-4);
}

/* ============================================
   VIDEO GRID (Legacy)
   ============================================ */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

/* ============================================
   VIDEO CARD
   ============================================ */
.video-card {
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.08) 0%,
    rgba(255, 255, 255, 0.02) 100%
  );
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
}

.video-card:hover {
  transform: translateY(-8px);
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.12) 0%,
    rgba(255, 255, 255, 0.04) 100%
  );
  border-color: rgba(6, 182, 212, 0.3);
  box-shadow:
    0 20px 40px rgba(0, 0, 0, 0.3),
    0 0 40px rgba(6, 182, 212, 0.15);
}

.video-card h3 {
  font-size: var(--text-lg);
  margin: var(--space-4) var(--space-4) var(--space-2);
  font-weight: var(--font-weight-semibold);
  color: #ffffff;
}

.video-description {
  color: #94a3b8;
  font-size: var(--text-sm);
  margin: 0 var(--space-4) var(--space-2);
  line-height: var(--leading-relaxed);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin: 0 var(--space-4) var(--space-4);
  font-size: var(--text-xs);
  color: #64748b;
}

.video-category {
  font-weight: var(--font-weight-medium);
  color: #06b6d4;
  text-transform: capitalize;
}

.video-uploader {
  font-style: italic;
}

.video-card .btn {
  margin: 0 var(--space-4) var(--space-4);
}

/* ============================================
   VIDEO THUMBNAIL
   ============================================ */
.video-thumbnail {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.3);
}

.video-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.video-card:hover .video-thumbnail img {
  transform: scale(1.05);
}

/* Duration Badge */
.video-duration {
  position: absolute;
  bottom: var(--space-2);
  right: var(--space-2);
  padding: var(--space-1) var(--space-2);
  background: rgba(0, 0, 0, 0.8);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  color: #ffffff;
  font-weight: var(--font-weight-semibold);
}

/* Play Button Overlay */
.video-play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.4);
  transition: opacity var(--transition-fast);
  opacity: 1;
}

.video-thumbnail:hover .video-play-overlay {
  opacity: 0;
}

.video-play-btn {
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #06b6d4, #8b5cf6);
  border-radius: 50%;
  color: #ffffff;
  font-size: var(--text-3xl);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 0 40px rgba(6, 182, 212, 0.5);
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.video-play-btn:hover {
  transform: scale(1.15);
  box-shadow: 0 0 60px rgba(6, 182, 212, 0.8);
}

/* ============================================
   EMPTY STATE
   ============================================ */
.no-videos {
  text-align: center;
  padding: var(--space-16) var(--space-8);
  color: #94a3b8;
}

.no-videos i {
  font-size: var(--text-5xl);
  margin-bottom: var(--space-4);
  display: block;
  color: #64748b;
}

.no-videos h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
  color: #f8fafc;
}

.no-videos p {
  color: #94a3b8;
  margin-bottom: var(--space-6);
}

/* ============================================
   PAGINATION
   ============================================ */
.video-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-2);
  margin: var(--space-8) 0;
  flex-wrap: wrap;
}

.pagination-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--space-3);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  color: #f8fafc;
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
}

.pagination-link:hover:not(.active) {
  background: rgba(6, 182, 212, 0.15);
  border-color: rgba(6, 182, 212, 0.3);
  color: #06b6d4;
}

.pagination-link.active {
  background: linear-gradient(135deg, #06b6d4, #8b5cf6);
  border-color: transparent;
  color: #0a0e1a;
}

.pagination-link.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* ============================================
   RESPONSIVE STYLES
   ============================================ */
@media (max-width: 768px) {
  .videos-page-header {
    padding: var(--space-8) 0;
  }

  .video-filters {
    flex-direction: column;
    align-items: stretch;
  }

  .video-filters select,
  .video-filters input {
    width: 100%;
  }

  .video-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-4);
  }

  .video-card h3 {
    font-size: var(--text-base);
  }

  .video-pagination {
    gap: var(--space-1);
  }

  .pagination-link {
    min-width: 36px;
    height: 36px;
    font-size: var(--text-xs);
  }
}

@media (max-width: 480px) {
  .video-grid {
    grid-template-columns: 1fr;
  }

  .video-thumbnail {
    border-radius: var(--radius-lg);
  }

  .video-play-btn {
    width: 60px;
    height: 60px;
    font-size: var(--text-2xl);
  }

  .no-videos {
    padding: var(--space-10) var(--space-4);
  }

  .no-videos i {
    font-size: var(--text-4xl);
  }

  .no-videos h3 {
    font-size: var(--text-lg);
  }
}