/* VOD Provisioning Tool - Styles */

/* CSS Variables */
:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #3b82f6;
  
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #06b6d4;
  
  --color-bg: #f8fafc;
  --color-bg-dark: #0f172a;
  --color-surface: #ffffff;
  --color-surface-dark: #1e293b;
  
  --color-text: #1e293b;
  --color-text-secondary: #64748b;
  --color-text-muted: #94a3b8;
  
  --color-border: #e2e8f0;
  --color-border-dark: #334155;
  
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  --sidebar-width: 260px;
  --header-height: 64px;
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  min-height: 100vh;
}

/* Utility Classes */
.hidden { display: none !important; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.mt-4 { margin-top: 1rem; }
.mb-4 { margin-bottom: 1rem; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--color-text-muted); }
.text-error { color: var(--color-error); }
.text-success { color: var(--color-success); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
}

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

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

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-dark);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--color-bg);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--color-bg);
  color: var(--color-text);
}

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

.btn-danger:hover:not(:disabled) {
  background: #dc2626;
}

.btn-small {
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
}

.btn-full {
  width: 100%;
}

/* Form Elements */
.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.375rem;
  color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: var(--color-error);
}

.form-group textarea {
  min-height: 100px;
  resize: vertical;
}

.form-group .hint {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

.form-group .error-text {
  font-size: 0.75rem;
  color: var(--color-error);
  margin-top: 0.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-checkbox input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  accent-color: var(--color-primary);
}

/* Login Screen */
.screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.login-container {
  width: 100%;
  max-width: 400px;
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}

.login-header .logo {
  margin-bottom: 1rem;
}

.login-header h1 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.login-header p {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.error-message {
  padding: 0.75rem;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: var(--radius);
  color: var(--color-error);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

/* Main App Layout */
#main-app {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background: var(--color-bg-dark);
  color: white;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem;
  border-bottom: 1px solid var(--color-border-dark);
}

.logo-text {
  font-weight: 600;
  font-size: 1.125rem;
}

.sidebar-nav {
  flex: 1;
  padding: 1rem 0.75rem;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  color: var(--color-text-muted);
  text-decoration: none;
  border-radius: var(--radius);
  margin-bottom: 0.25rem;
  transition: all 0.15s ease;
}

.nav-item:hover {
  background: var(--color-surface-dark);
  color: white;
}

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

.nav-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.nav-divider {
  height: 1px;
  background: var(--color-border-dark);
  margin: 1rem 0;
}

.sidebar-footer {
  padding: 1rem;
  border-top: 1px solid var(--color-border-dark);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.user-avatar {
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
}

.user-details {
  flex: 1;
  min-width: 0;
}

.user-name {
  display: block;
  font-weight: 500;
  font-size: 0.875rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* Main Content */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.content-header {
  height: var(--header-height);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  position: sticky;
  top: 0;
  z-index: 50;
}

.content-header h2 {
  font-size: 1.25rem;
  font-weight: 600;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.content-body {
  flex: 1;
  padding: 1.5rem;
  overflow-y: auto;
}

/* Cards */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-header h3 {
  font-size: 1rem;
  font-weight: 600;
}

.card-body {
  padding: 1.25rem;
}

/* Dashboard Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.stat-card .stat-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.5rem;
}

.stat-card .stat-value {
  font-size: 1.75rem;
  font-weight: 600;
}

.stat-card .stat-change {
  font-size: 0.75rem;
  margin-top: 0.25rem;
}

.stat-card .stat-change.positive {
  color: var(--color-success);
}

.stat-card .stat-change.negative {
  color: var(--color-error);
}

/* Tables */
.table-container {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: 0.875rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.data-table th {
  background: var(--color-bg);
  font-weight: 500;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
}

.data-table tbody tr:hover {
  background: var(--color-bg);
}

.data-table td {
  font-size: 0.875rem;
}

/* Status Badge */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 9999px;
}

.badge-draft {
  background: #f1f5f9;
  color: #475569;
}

.badge-validated {
  background: #dbeafe;
  color: #1d4ed8;
}

.badge-uploaded {
  background: #d1fae5;
  color: #047857;
}

.badge-error {
  background: #fee2e2;
  color: #b91c1c;
}

.badge-success {
  background: #d1fae5;
  color: #047857;
}

.badge-failed {
  background: #fee2e2;
  color: #b91c1c;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 200;
}

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.modal.modal-large {
  max-width: 900px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem;
  border-bottom: 1px solid var(--color-border);
}

.modal-header h3 {
  font-size: 1.125rem;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-text-muted);
  cursor: pointer;
  line-height: 1;
  padding: 0.25rem;
}

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

.modal-body {
  padding: 1.25rem;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--color-border);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 300;
}

.toast {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  min-width: 280px;
  max-width: 400px;
  animation: slideIn 0.2s ease;
}

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

.toast.success {
  border-left: 4px solid var(--color-success);
}

.toast.error {
  border-left: 4px solid var(--color-error);
}

.toast.warning {
  border-left: 4px solid var(--color-warning);
}

.toast.info {
  border-left: 4px solid var(--color-info);
}

.toast-message {
  flex: 1;
  font-size: 0.875rem;
}

.toast-close {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0.25rem;
}

/* Filter Bar */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
  align-items: center;
}

.filter-bar input,
.filter-bar select {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  background: var(--color-surface);
}

.filter-bar input:focus,
.filter-bar select:focus {
  outline: none;
  border-color: var(--color-primary);
}

.search-input {
  min-width: 250px;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--color-text-secondary);
}

.empty-state svg {
  width: 64px;
  height: 64px;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-state h3 {
  font-size: 1.125rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.empty-state p {
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  border-top: 1px solid var(--color-border);
  margin-top: 1rem;
}

.pagination-info {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.pagination-buttons {
  display: flex;
  gap: 0.25rem;
}

.pagination-buttons button {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

.pagination-buttons button:hover:not(:disabled) {
  background: var(--color-bg);
}

.pagination-buttons button.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.pagination-buttons button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* File Upload */
.file-upload {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.file-upload:hover {
  border-color: var(--color-primary);
  background: rgba(37, 99, 235, 0.05);
}

.file-upload.dragover {
  border-color: var(--color-primary);
  background: rgba(37, 99, 235, 0.1);
}

.file-upload input {
  display: none;
}

.file-upload-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  color: var(--color-text-muted);
}

.file-upload-text {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.file-upload-text strong {
  color: var(--color-primary);
}

.file-preview {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background: var(--color-bg);
  border-radius: var(--radius);
  margin-top: 0.75rem;
}

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

.file-preview-name {
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-preview-size {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* Image previews */
.image-preview {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.image-preview-poster {
  max-height: 180px;
  width: auto;
}

.image-preview-promo {
  max-height: 120px;
  width: auto;
}

.image-preview-small {
  max-height: 80px;
  width: auto;
}

/* Metadata dates (created/updated) */
.metadata-dates {
  display: flex;
  gap: 1.5rem;
  padding: 0.75rem 1rem;
  background: var(--color-bg);
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.metadata-date {
  display: flex;
  gap: 0.5rem;
}

.metadata-date strong {
  color: var(--color-text);
}

.file-preview .image-preview {
  margin-right: 0.5rem;
}

/* Asset images preview in modal */
.asset-images-preview {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
}

.asset-image-container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.asset-image-container .image-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

/* Tabs */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 1.5rem;
}

.tab {
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
}

.tab:hover {
  color: var(--color-text);
}

.tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* Series Tree */
.series-tree {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.series-item {
  background: var(--color-surface);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.series-header {
  display: flex;
  align-items: center;
  padding: 1rem;
  cursor: pointer;
  transition: background 0.15s ease;
}

.series-header:hover {
  background: var(--color-bg);
}

.series-toggle {
  width: 20px;
  height: 20px;
  margin-right: 0.75rem;
  color: var(--color-text-muted);
  transition: transform 0.15s ease;
}

.series-item.open .series-toggle {
  transform: rotate(90deg);
}

.series-info {
  flex: 1;
}

.series-title {
  font-weight: 500;
}

.series-meta {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.series-episodes {
  border-top: 1px solid var(--color-border);
  padding: 0.5rem;
  display: none;
}

.series-item.open .series-episodes {
  display: block;
}

.season-group {
  margin-bottom: 0.5rem;
}

.season-title {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  padding: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.episode-item {
  display: flex;
  align-items: center;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.15s ease;
}

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

.episode-number {
  width: 32px;
  height: 32px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 500;
  margin-right: 0.75rem;
}

/* Loading Spinner */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

.loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Responsive */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
}