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

:root {
  --primary: #3b82f6;
  --primary-dark: #2563eb;
  --secondary: #64748b;
  --success: #10b981;
  --danger: #ef4444;
  --background: #0f172a;
  --surface: #1e293b;
  --surface-light: #334155;
  --text: #f1f5f9;
  --text-secondary: #94a3b8;
  --border: #475569;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: var(--background);
  color: var(--text);
  line-height: 1.6;
  padding: 20px;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
}

header {
  text-align: center;
  padding: 40px 20px;
  background: linear-gradient(135deg, var(--surface) 0%, var(--surface-light) 100%);
  border-radius: 12px;
  margin-bottom: 30px;
  border: 1px solid var(--border);
}

header h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
  background: linear-gradient(135deg, #60a5fa 0%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* AI JSON Section */
.ai-hint {
  margin-top: 10px;
  padding: 10px;
  background: rgba(59, 130, 246, 0.1);
  border-left: 3px solid var(--primary);
  border-radius: 4px;
  font-size: 0.9rem;
}

#aiJsonSection button {
  width: 100%;
  margin-top: 10px;
}

/* Modal Large */
.modal-large .modal-content {
  max-width: 900px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-video .modal-content {
  max-width: 900px;
  max-height: 85vh;
  overflow-y: auto;
}

.video-preview-body {
  background: #000;
  padding: 20px;
  border-radius: 8px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--border);
}

.modal-close {
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 30px;
  line-height: 1;
  transition: color 0.2s;
}

.modal-close:hover {
  color: var(--danger);
}

.modal-instructions {
  background: rgba(59, 130, 246, 0.1);
  padding: 15px;
  border-radius: 8px;
  margin-bottom: 20px;
  border-left: 4px solid var(--primary);
}

.json-editor {
  width: 100%;
  min-height: 400px;
  padding: 15px;
  background: var(--background);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
  font-size: 0.9rem;
  resize: vertical;
}

.json-validation {
  margin-top: 10px;
  padding: 10px;
  border-radius: 6px;
  font-size: 0.9rem;
}

.json-validation.valid {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid var(--success);
  color: var(--success);
}

.json-validation.invalid {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--danger);
  color: var(--danger);
}

.modal-footer {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

section {
  background: var(--surface);
  padding: 30px;
  border-radius: 12px;
  margin-bottom: 30px;
  border: 1px solid var(--border);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 10px;
}

h2 {
  font-size: 1.5rem;
  margin-bottom: 20px;
}

/* Buttons */
.btn {
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.btn:active {
  transform: translateY(0);
}

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

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

.btn-secondary {
  background: var(--secondary);
  color: white;
}

.btn-secondary:hover {
  background: #475569;
}

.btn-success {
  background: var(--success);
  color: white;
  font-size: 1.1rem;
  padding: 15px 30px;
}

.btn-success:hover {
  background: #059669;
}

.btn-info {
  background: #0891b2;
  color: white;
}

.btn-info:hover {
  background: #0e7490;
}

.btn-danger {
  background: var(--danger);
  color: white;
}

.btn-danger:hover {
  background: #dc2626;
}

/* Settings */
.settings-panel {
  background: var(--background);
  padding: 30px;
  border-radius: 8px;
  margin-top: 20px;
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
  margin-bottom: 30px;
}

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

.setting-group label {
  font-weight: 600;
  color: var(--text);
  font-size: 0.95rem;
}

.setting-group input[type="number"],
.setting-group input[type="text"] {
  padding: 10px 14px;
  border: 2px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.setting-group input:focus {
  outline: none;
  border-color: var(--primary);
}

.setting-group small {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.preset-buttons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn-preset {
  padding: 10px 16px;
  border: 2px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.btn-preset:hover {
  border-color: var(--primary);
  background: var(--surface-light);
}

.btn-preset.active {
  border-color: var(--primary);
  background: var(--primary);
  color: white;
}

.resolution-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.resolution-controls input {
  flex: 1;
}

.resolution-controls span {
  font-size: 1.2rem;
  color: var(--text-secondary);
}

.settings-actions {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

/* Form */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--text);
}

.form-group input[type="text"],
.form-group input[type="file"] {
  width: 100%;
  padding: 12px;
  border: 2px solid var(--border);
  border-radius: 8px;
  background: var(--background);
  color: var(--text);
  font-size: 1rem;
}

.form-group input[type="file"] {
  padding: 10px;
}

.form-group textarea {
  width: 100%;
  min-height: 150px;
  padding: 12px;
  border: 2px solid var(--border);
  border-radius: 8px;
  background: var(--background);
  color: var(--text);
  font-size: 0.95rem;
  font-family: 'Courier New', monospace;
  resize: vertical;
}

.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.json-input-toggle {
  display: flex;
  gap: 5px;
  margin-bottom: 10px;
}

.btn-toggle {
  flex: 1;
  padding: 8px 16px;
  border: 2px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.btn-toggle:hover {
  border-color: var(--primary);
  background: var(--surface-light);
}

.btn-toggle.active {
  border-color: var(--primary);
  background: var(--primary);
  color: white;
  font-weight: 600;
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary);
}

.form-group small {
  display: block;
  margin-top: 5px;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

/* Projects List */
.projects-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.project-card {
  background: var(--background);
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  transition: all 0.3s ease;
  cursor: pointer;
}

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

.project-card.selected {
  border-color: var(--success);
  background: rgba(16, 185, 129, 0.1);
}

.project-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 15px;
}

.project-card h3 {
  font-size: 1.2rem;
  color: var(--text);
  margin-bottom: 5px;
}

.project-checkbox {
  width: 24px;
  height: 24px;
  cursor: pointer;
}

.project-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 15px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.project-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.project-status.video-ready {
  background: rgba(16, 185, 129, 0.2);
  color: var(--success);
}

.project-status.no-video {
  background: rgba(251, 146, 60, 0.2);
  color: #fb923c;
}

.project-actions {
  display: flex;
  gap: 10px;
  margin-top: 15px;
  align-items: center;
}

.icon-btn {
  cursor: pointer;
  font-size: 1.2rem;
  opacity: 0.7;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 8px;
  border-radius: 4px;
  user-select: none;
}

.icon-btn:hover {
  opacity: 1;
  background: rgba(255, 255, 255, 0.1);
  transform: scale(1.1);
}

.btn-small {
  padding: 8px 16px;
  font-size: 0.9rem;
}

.projects-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.batch-actions {
  display: flex;
  gap: 15px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.loading {
  text-align: center;
  padding: 40px;
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-secondary);
}

.empty-state h3 {
  font-size: 1.5rem;
  margin-bottom: 10px;
}

/* Status Messages */
#statusContainer {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  max-width: 400px;
}

.status-message {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  animation: slideIn 0.3s ease;
}

.status-message.success {
  border-color: var(--success);
  background: rgba(16, 185, 129, 0.1);
}

.status-message.error {
  border-color: var(--danger);
  background: rgba(239, 68, 68, 0.1);
}

.status-message.info {
  border-color: var(--primary);
  background: rgba(59, 130, 246, 0.1);
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 10000;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--surface);
  padding: 30px;
  border-radius: 12px;
  max-width: 700px;
  width: 90%;
  border: 2px solid var(--border);
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  animation: slideInUp 0.3s ease;
}

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

.modal-content h3 {
  margin-bottom: 20px;
  font-size: 1.5rem;
}

.progress-bar {
  width: 100%;
  height: 30px;
  background: var(--background);
  border-radius: 15px;
  overflow: hidden;
  margin: 20px 0;
  border: 2px solid var(--border);
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary) 0%, var(--success) 100%);
  transition: width 0.5s ease;
  width: 0%;
}

#progressText {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 15px;
}

#progressDetails {
  max-height: 200px;
  overflow-y: auto;
  background: var(--background);
  padding: 15px;
  border-radius: 8px;
  font-size: 0.9rem;
}

#progressDetails div {
  padding: 5px 0;
  border-bottom: 1px solid var(--border);
}

#progressDetails div:last-child {
  border-bottom: none;
}

/* Responsive */
@media (max-width: 768px) {
  header h1 {
    font-size: 1.8rem;
  }

  .projects-list {
    grid-template-columns: 1fr;
  }

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .batch-actions {
    flex-direction: column;
  }

  .batch-actions .btn {
    width: 100%;
  }
}

/* ===== YOUTUBE METADATA MODAL ===== */
.youtube-metadata-dialog {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.youtube-metadata-dialog.open {
  display: flex;
}

.youtube-metadata-content {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 12px;
  max-width: 750px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.6);
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.youtube-metadata-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  border-bottom: 2px solid var(--border);
}

.youtube-metadata-header h2 {
  margin: 0;
  font-size: 1.5rem;
  color: var(--text);
}

.youtube-metadata-close {
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.youtube-metadata-close:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

.youtube-metadata-body {
  padding: 25px;
}

.youtube-metadata-body .metadata-section {
  margin-bottom: 25px;
}

.youtube-metadata-body .metadata-section label {
  display: block;
  font-weight: 600;
  color: #e2e8f0;
  margin-bottom: 10px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.youtube-metadata-body .metadata-input,
.youtube-metadata-body .metadata-textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #334155;
  border-radius: 6px;
  background-color: #0f172a;
  color: #e2e8f0;
  font-family: 'Monaco', 'Courier New', monospace;
  font-size: 13px;
  line-height: 1.5;
  resize: vertical;
}

.youtube-metadata-body .metadata-input:focus,
.youtube-metadata-body .metadata-textarea:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.youtube-metadata-body .metadata-input {
  min-height: 42px;
}

.youtube-metadata-body .metadata-textarea {
  min-height: 200px;
  max-height: 350px;
}

.youtube-metadata-body .btn {
  margin-top: 8px;
}