:root {
  --primary: #1a365d;
  --primary-light: #2c5282;
  --primary-dark: #0f2444;
  --accent: #4299e1;
  --bg: #0f172a;
  --bg-card: #1e293b;
  --bg-hover: #334155;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --border: #334155;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

/* ===== LAYOUT ===== */
.app-container {
  max-width: 100%;
  min-height: 100vh;
}

/* ===== HEADER ===== */
.header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 16px 20px;
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.menu-btn {
  background: none;
  border: none;
  color: var(--text);
  font-size: 24px;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  transition: background 0.2s;
}

.menu-btn:hover {
  background: var(--bg-hover);
}

.logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo span {
  font-size: 24px;
}

.run-btn {
  background: var(--accent);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 8px;
}

.run-btn:hover {
  background: var(--primary-light);
  transform: translateY(-1px);
}

.run-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.run-btn.loading .btn-text {
  display: none;
}

.run-btn .spinner {
  display: none;
}

.run-btn.loading .spinner {
  display: inline-block;
  animation: spin 1s linear infinite;
}

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

/* ===== SIDEBAR ===== */
.sidebar {
  position: fixed;
  left: -280px;
  top: 0;
  width: 280px;
  height: 100vh;
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  z-index: 200;
  transition: left 0.3s ease;
  padding-top: 20px;
}

.sidebar.open {
  left: 0;
}

.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 150;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
}

.sidebar-overlay.open {
  opacity: 1;
  visibility: visible;
}

.sidebar-header {
  padding: 0 20px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sidebar-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
}

.sidebar-nav {
  padding: 20px 0;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  color: var(--text-muted);
  text-decoration: none;
  transition: all 0.2s;
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.nav-item.active {
  background: var(--primary);
  color: white;
}

.nav-item span:first-child {
  font-size: 20px;
}

/* ===== MAIN CONTENT ===== */
.main-content {
  padding: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.page-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text);
}

.page-title-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.compact-back-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 0;
}

.compact-back-btn:hover {
  background: var(--bg-hover);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateX(-2px);
}

.page-title small {
  font-size: 16px;
  color: var(--text-muted);
  font-weight: 400;
  margin-left: 8px;
}

/* ===== CONTENT CARDS ===== */
.content-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.content-card {
  background: var(--bg-card);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  position: relative;
}

.content-card:hover {
  border-color: rgba(66, 153, 225, 0.5);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  transform: translateY(-2px);
}

.content-card.used {
  border-color: rgba(16, 185, 129, 0.4);
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, var(--bg-card) 100%);
}

/* Used Badge (Top Right Corner) */
.used-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: linear-gradient(135deg, var(--success), #059669);
  color: white;
  padding: 8px 16px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  z-index: 10;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
  animation: badgeSlideIn 0.4s ease;
}

@keyframes badgeSlideIn {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.badge-icon {
  font-size: 14px;
}

.badge-text {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Toggle Used Button */
.toggle-used-btn {
  width: 100%;
  background: var(--bg-hover);
  border: 2px dashed var(--border);
  color: var(--text-muted);
  padding: 14px 20px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.toggle-used-btn:hover {
  background: var(--bg);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.toggle-used-btn.is-used {
  background: rgba(16, 185, 129, 0.15);
  border: 2px solid var(--success);
  color: var(--success);
  border-style: solid;
}

.toggle-used-btn.is-used:hover {
  background: rgba(16, 185, 129, 0.25);
  transform: translateY(-2px);
}

.btn-icon {
  font-size: 18px;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  border-bottom: 1px solid var(--border);
}

.thumbnail {
  width: 60px;
  height: 60px;
  border-radius: 8px;
  object-fit: cover;
  background: var(--bg-hover);
}

.card-info {
  flex: 1;
  min-width: 0;
}

.card-username {
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 4px;
}

.card-stats {
  display: flex;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}

.open-link {
  background: var(--primary);
  color: white;
  border: none;
  padding: 10px 16px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
}

.open-link:hover {
  background: var(--primary-light);
}

.card-body {
  padding: 16px;
}

.card-actions {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: center;
  gap: 8px;
}

.content-section {
  margin-bottom: 16px;
}

.content-section:last-child {
  margin-bottom: 0;
}

.content-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.content-text {
  background: var(--bg);
  border-radius: 8px;
  padding: 12px;
  font-size: 14px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

.hook-text {
  font-weight: 600;
  font-size: 16px;
}

.copy-btn {
  width: 100%;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  color: white;
  border: none;
  padding: 12px;
  border-radius: 10px;
  font-weight: 700;
  cursor: pointer;
  margin-top: 8px;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 12px rgba(66, 153, 225, 0.3);
}

.copy-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(66, 153, 225, 0.4);
}

.copy-btn.copied {
  background: linear-gradient(135deg, var(--success), #059669);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

/* ===== EMPTY STATE ===== */
.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-muted);
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 2px dashed var(--border);
  margin-top: 20px;
}

.empty-state span {
  font-size: 64px;
  display: block;
  margin-bottom: 20px;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

.empty-state h3 {
  font-size: 20px;
  margin-bottom: 12px;
  color: var(--text);
  font-weight: 700;
}

.empty-state p {
  font-size: 14px;
  max-width: 400px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ===== SETTINGS PAGE ===== */
.settings-section {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
  border: 1px solid var(--border);
}

.settings-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.add-form {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.add-input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  color: var(--text);
  font-size: 14px;
}

.add-input:focus {
  outline: none;
  border-color: var(--accent);
}

.add-btn {
  background: var(--accent);
  color: white;
  border: none;
  padding: 12px 20px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-item {
  background: var(--bg);
  border-radius: 20px;
  padding: 8px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}

.tag-item.inactive {
  opacity: 0.5;
}

.tag-toggle {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
}

.tag-delete {
  background: none;
  border: none;
  color: var(--danger);
  cursor: pointer;
  font-size: 14px;
}

/* ===== USAGE PAGE ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
  border: 1px solid var(--border);
}

.stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.usage-table {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

.usage-row {
  display: grid;
  grid-template-columns: 1fr repeat(2, 80px);
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.usage-row:last-child {
  border-bottom: none;
}

.usage-row.header {
  background: var(--bg-hover);
  font-weight: 600;
  font-size: 12px;
  color: var(--text-muted);
}

/* ===== PAGINATION ===== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
}

.page-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
}

.page-btn:hover {
  background: var(--bg-hover);
}

.page-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* ===== CONFIRM MODAL ===== */
.confirm-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  backdrop-filter: blur(4px);
}

.confirm-modal.open {
  opacity: 1;
  visibility: visible;
}

.confirm-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  max-width: 400px;
  width: 90%;
  text-align: center;
  animation: modalSlideIn 0.3s ease;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.confirm-content h3 {
  font-size: 24px;
  margin-bottom: 16px;
  color: var(--text);
}

.confirm-content p {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.6;
}

.confirm-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.confirm-btn {
  padding: 12px 24px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  flex: 1;
}

.confirm-btn.cancel {
  background: var(--bg-hover);
  color: var(--text);
  border: 1px solid var(--border);
}

.confirm-btn.cancel:hover {
  background: var(--bg);
}

.confirm-btn.add {
  background: linear-gradient(135deg, var(--success), #059669);
  color: white;
}

.confirm-btn.add:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

/* ===== TOAST ===== */
.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--success);
  color: white;
  padding: 14px 24px;
  border-radius: 8px;
  font-weight: 600;
  z-index: 300;
  opacity: 0;
  transition: all 0.3s;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 480px) {
  .header {
    padding: 12px 16px;
  }

  .logo {
    font-size: 16px;
  }

  .run-btn {
    padding: 8px 14px;
    font-size: 14px;
  }

  .main-content {
    padding: 16px;
  }

  .card-header {
    flex-wrap: wrap;
  }

  .open-link {
    width: 100%;
    justify-content: center;
    margin-top: 12px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== VIDEO SELECTION PAGE ===== */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.bulk-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.action-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 6px;
}

.action-btn:hover {
  background: var(--bg-hover);
}

.action-btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.action-btn.primary:hover {
  background: var(--primary-light);
}

.action-btn.secondary {
  color: var(--text-muted);
}

.action-btn.loading .btn-text {
  display: none;
}

.action-btn .spinner {
  display: none;
}

.action-btn.loading .spinner {
  display: inline-block;
  animation: spin 1s linear infinite;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.selection-counter {
  background: var(--primary);
  color: white;
  padding: 8px 14px;
  border-radius: 20px;
  font-weight: 600;
  font-size: 14px;
}

.selection-counter #count {
  font-size: 16px;
}

.process-btn {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 8px;
}

.process-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.process-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.process-btn.loading .btn-text {
  display: none;
}

.process-btn .spinner {
  display: none;
}

.process-btn.loading .spinner {
  display: inline-block;
  animation: spin 1s linear infinite;
}

/* Video Grid */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
}

.video-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 2px solid var(--border);
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}

.video-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.video-card.selected {
  border-color: var(--success);
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.3);
}

.video-thumbnail {
  position: relative;
  aspect-ratio: 9/16;
  background: var(--bg-hover);
  overflow: hidden;
  cursor: pointer;
}

.video-thumbnail:hover .preview-btn {
  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto !important;
}

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

.fallback-thumb {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  background: var(--bg-hover);
}

.video-overlay {
  position: absolute;
  inset: 0;
  background: rgba(16, 185, 129, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
  z-index: 2;
}

.video-card.selected .video-overlay {
  opacity: 1;
}

.check-mark {
  width: 50px;
  height: 50px;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--success);
  font-weight: bold;
}

.video-stats-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 8px;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  font-size: 12px;
  color: white;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 5;
}

.play-icon-btn {
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: white;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.2s ease;
  backdrop-filter: blur(4px);
  padding: 0;
  padding-left: 2px;
}

.play-icon-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  transform: scale(1.1);
  box-shadow: 0 4px 12px rgba(66, 153, 225, 0.5);
}

.video-info {
  padding: 10px;
}

.video-username {
  font-weight: 600;
  color: var(--accent);
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 2px 4px;
  border-radius: 4px;
}

.video-username:hover {
  background: rgba(66, 153, 225, 0.2);
  color: #fff;
  transform: translateY(-1px);
}

.video-metrics {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.video-link {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(0,0,0,0.6);
  color: white;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 16px;
  opacity: 0;
  transition: opacity 0.2s;
}

.video-card:hover .video-link {
  opacity: 1;
}

.video-link:hover {
  background: var(--accent);
}

/* Responsive for selection page */
@media (max-width: 480px) {
  .page-header {
    flex-direction: column;
    align-items: stretch;
  }
  
  .bulk-actions {
    justify-content: center;
  }
  
  .header-actions {
    gap: 8px;
  }
  
  .selection-counter {
    padding: 6px 12px;
    font-size: 12px;
  }
  
  .process-btn {
    padding: 8px 14px;
    font-size: 14px;
  }
  
  .video-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }
}

/* ===== SESSION CARDS (DASHBOARD) ===== */
.session-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.session-card {
  display: flex;
  flex-direction: column;
  background: linear-gradient(135deg, var(--bg-card) 0%, #1a2332 100%);
  border: 2px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.session-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--primary-light));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.session-card:hover::before {
  opacity: 1;
}

.session-card:hover {
  border-color: var(--accent);
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(66, 153, 225, 0.3);
  background: linear-gradient(135deg, #1e293b 0%, #1a2332 100%);
}

.session-card:active {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(66, 153, 225, 0.2);
}

.session-icon {
  font-size: 48px;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  margin-bottom: 16px;
  box-shadow: 0 4px 12px rgba(66, 153, 225, 0.3);
}

.session-info {
  flex: 1;
  margin-bottom: 16px;
}

.session-name {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
  line-height: 1.3;
}

.session-date {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.session-date::before {
  content: '🕐';
  font-size: 14px;
}

.session-stats {
  display: flex;
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.stat-pill {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--bg);
  padding: 10px 16px;
  border-radius: 10px;
  flex: 1;
  border: 1px solid var(--border);
  transition: all 0.2s ease;
}

.session-card:hover .stat-pill {
  background: var(--bg-hover);
}

.stat-pill.complete {
  border-color: var(--success);
  background: rgba(16, 185, 129, 0.15);
}

.pill-label {
  font-size: 10px;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.pill-value {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
}

.stat-pill.complete .pill-value {
  color: var(--success);
}

.session-arrow {
  position: absolute;
  top: 24px;
  right: 24px;
  font-size: 24px;
  color: var(--text-muted);
  opacity: 0;
  transform: translateX(-8px);
  transition: all 0.3s ease;
}

.session-card:hover .session-arrow {
  opacity: 1;
  transform: translateX(0);
}

/* ===== MODERN HEADER FOR SESSION PAGE ===== */
.page-header-modern {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}

.modern-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  align-self: flex-start;
}

.modern-back-btn:hover {
  background: var(--bg-hover);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateX(-4px);
}

.back-icon {
  font-size: 18px;
  transition: transform 0.2s ease;
}

.modern-back-btn:hover .back-icon {
  transform: translateX(-2px);
}

.session-title-box {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px;
  background: linear-gradient(135deg, var(--bg-card) 0%, #1a2332 100%);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.session-emoji {
  font-size: 48px;
  line-height: 1;
}

.session-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--text);
  margin: 0;
  background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ===== MODERN PREVIEW BUTTON IN CARDS ===== */
.card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.card-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
  flex-wrap: wrap;
}

.modern-preview-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  border: none;
  border-radius: 10px;
  color: white;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(66, 153, 225, 0.3);
}

.modern-preview-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(66, 153, 225, 0.5);
}

.play-icon {
  font-size: 16px;
}

/* Old back button (deprecated) */
.back-btn {
  display: inline-block;
  padding: 8px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  margin-bottom: 16px;
  transition: all 0.2s;
}

.back-btn:hover {
  background: var(--bg-hover);
  border-color: var(--accent);
}

/* Status Badges */
.status-badge {
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.status-badge.processed {
  background: rgba(16, 185, 129, 0.2);
  color: var(--success);
}

.status-badge.pending {
  background: rgba(245, 158, 11, 0.2);
  color: var(--warning);
}

.content-card.pending {
  border-style: dashed;
  opacity: 0.8;
}

.preview-btn.small {
  padding: 6px 12px;
  font-size: 11px;
  position: static;
  transform: none;
  opacity: 1;
}

@media (max-width: 768px) {
  .session-list {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .session-card {
    padding: 20px;
  }
  
  .session-icon {
    width: 64px;
    height: 64px;
    font-size: 36px;
  }
  
  .session-arrow {
    display: none;
  }

  .page-header-modern {
    gap: 16px;
    margin-bottom: 24px;
  }

  .session-title-box {
    padding: 20px;
    gap: 12px;
  }

  .session-emoji {
    font-size: 36px;
  }

  .session-title {
    font-size: 24px;
  }

  .card-header-actions {
    width: 100%;
    justify-content: space-between;
  }

  .modern-preview-btn {
    flex: 1;
  }
}

/* ===== PREVIEW MODAL ===== */
.preview-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 400;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  backdrop-filter: blur(8px);
  padding: 20px;
}

.preview-modal.open {
  opacity: 1;
  visibility: visible;
}

.preview-content {
  position: relative;
  width: 100%;
  max-width: 480px;
  height: 90vh;
  max-height: 850px;
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
  animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
  from {
    transform: scale(0.9);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

.preview-content iframe {
  width: 100%;
  height: 100%;
  border: none;
  background: #000;
}

.preview-close {
  position: absolute;
  top: -50px;
  right: 0;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid white;
  border-radius: 50%;
  color: white;
  font-size: 28px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 10;
  line-height: 1;
}

.preview-close:hover {
  background: var(--danger);
  border-color: var(--danger);
  transform: rotate(90deg);
}

@media (max-width: 768px) {
  .preview-modal {
    padding: 10px;
  }
  
  .preview-content {
    max-width: 100%;
    height: 80vh;
  }
  
  .preview-close {
    top: -45px;
    right: 10px;
    width: 40px;
    height: 40px;
    font-size: 24px;
  }
}

/* Improved Preview Button */
.preview-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(0, 0, 0, 0.9);
  color: white;
  border: 2px solid white;
  padding: 10px 20px;
  border-radius: 25px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all 0.25s ease;
  white-space: nowrap;
  backdrop-filter: blur(8px);
  z-index: 999;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
  display: block;
}

.preview-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  transform: translate(-50%, -50%) scale(1.08);
  box-shadow: 0 6px 20px rgba(66, 153, 225, 0.6);
}

/* Hover Overlay for unselected cards */
.video-card:not(.selected):hover .video-thumbnail::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  transition: background 0.3s;
  pointer-events: none;
  z-index: 1;
}

/* Fallback thumb visible style */
.fallback-thumb {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  background: var(--bg-hover);
}

/* ===== MANUAL PAGE ===== */
.manual-container {
  max-width: 700px;
  margin: 0 auto;
}

.manual-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 24px;
}

.manual-header {
  text-align: center;
  margin-bottom: 32px;
}

.manual-header h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}

.manual-header p {
  color: var(--text-muted);
  font-size: 14px;
}

.manual-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
}

.form-input {
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  color: var(--text);
  font-size: 15px;
  transition: all 0.2s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.1);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-hint {
  font-size: 12px;
  color: var(--text-muted);
}

.submit-btn {
  background: linear-gradient(135deg, var(--accent), var(--primary-light));
  color: white;
  border: none;
  padding: 16px 24px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 12px;
}

.submit-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(66, 153, 225, 0.4);
}

.submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.submit-btn.loading .btn-text {
  display: none;
}

.submit-btn .spinner {
  display: none;
}

.submit-btn.loading .spinner {
  display: inline-block;
  animation: spin 1s linear infinite;
}

.result-section {
  animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.result-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.result-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.result-header h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
}

.video-preview {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-hover);
  cursor: pointer;
  transition: transform 0.2s ease;
}

.video-preview:hover {
  transform: scale(1.02);
}

.result-thumbnail {
  width: 100%;
  aspect-ratio: 9/16;
  object-fit: cover;
  display: block;
}

.video-info-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px;
  background: linear-gradient(transparent, rgba(0,0,0,0.9));
  display: flex;
  gap: 16px;
  color: white;
  font-weight: 600;
  font-size: 14px;
}

.video-stat {
  display: flex;
  align-items: center;
  gap: 6px;
}

.reset-btn {
  background: var(--bg-hover);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px 20px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.reset-btn:hover {
  background: var(--bg);
  border-color: var(--accent);
}

@media (max-width: 768px) {
  .manual-card {
    padding: 24px 20px;
  }
  
  .result-header {
    flex-direction: column;
    gap: 12px;
    align-items: stretch;
  }
  
  .result-header .preview-btn {
    width: 100%;
  }
}

/* Final cleanup */

/* ===== MODERN MANUAL PAGE ===== */

/* Glassmorphism Panel */
.glass-panel {
  background: rgba(30, 41, 59, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.manual-container {
  max-width: 600px !important; /* Override previous */
  margin: 40px auto;
  perspective: 1000px;
}

.manual-card {
  padding: 40px !important;
  border-radius: 24px !important;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.manual-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.manual-icon {
  font-size: 48px;
  margin-bottom: 16px;
  display: inline-block;
  animation: float 3s ease-in-out infinite;
}

.manual-header h1 {
  font-size: 28px;
  font-weight: 800;
  background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 12px;
}

/* Modern Input Group */
.input-group {
  position: relative;
  margin-bottom: 24px;
  text-align: left;
}

.input-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}

.input-icon {
  font-size: 18px;
  color: var(--accent);
}

.modern-input {
  width: 100%;
  background: rgba(15, 23, 42, 0.6);
  border: 2px solid var(--border);
  border-radius: 16px;
  padding: 16px 20px;
  color: var(--text);
  font-size: 16px;
  transition: all 0.3s ease;
}

.modern-input:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(15, 23, 42, 0.9);
  box-shadow: 0 0 0 4px rgba(66, 153, 225, 0.15);
}

.modern-input::placeholder {
  color: var(--text-muted);
  opacity: 0.7;
}

/* Modern Button */
.modern-btn {
  width: 100%;
  padding: 18px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  font-size: 18px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  box-shadow: 0 4px 15px rgba(66, 153, 225, 0.3);
  position: relative;
  overflow: hidden;
}

.modern-btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: 0.5s;
}

.modern-btn:hover::after {
  left: 100%;
}

/* Result Section */
.result-section {
  margin-top: 30px;
}

.result-card {
  padding: 30px !important;
  border-radius: 24px !important;
  border: 1px solid rgba(16, 185, 129, 0.3); /* Green tint border */
}

.result-header {
  margin-bottom: 24px;
}

.result-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.success-icon {
  font-size: 24px;
  animation: pop 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.result-body {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
}

/* Video Preview Wrapper */
.video-preview-wrapper {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 9/16;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  transition: transform 0.3s;
}

.video-preview-wrapper:hover {
  transform: scale(1.03);
}

.video-preview-wrapper:hover .play-overlay {
  background: rgba(0,0,0,0.6);
  transform: translate(-50%, -50%) scale(1.1);
}

.play-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 50px;
  height: 50px;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(4px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: white;
  border: 2px solid white;
  transition: all 0.3s;
}

.video-meta-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 12px;
  background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
  color: white;
  font-size: 12px;
  display: flex;
  justify-content: space-between;
  font-weight: 600;
}

/* Content Box */
.content-wrapper {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.content-box {
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  position: relative;
  transition: border-color 0.3s;
}

.content-box:hover {
  border-color: var(--accent);
}

.content-label {
  font-size: 11px;
  font-weight: 800;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.content-text {
  background: transparent;
  padding: 0;
  font-size: 15px;
}

.content-text.hook {
  font-weight: 700;
  color: var(--accent);
  font-size: 18px;
}

.icon-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 6px 12px;
  font-size: 12px;
  border-radius: 8px;
  background: rgba(255,255,255,0.1);
  margin: 0;
  width: auto;
}

.text-btn {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  width: 100%;
  margin-top: 20px;
}

.text-btn:hover {
  background: var(--bg-hover);
  color: var(--text);
}

@keyframes pop {
  0% { transform: scale(0); }
  80% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

@media (max-width: 768px) {
  .result-body {
    grid-template-columns: 1fr;
  }
  
  .video-preview-wrapper {
    max-width: 200px;
    margin: 0 auto;
  }
}