/* ==========================================================================
   Vistamations B-Roll Studio — Styles
   Visual system: Dark navy (#1a1a2e), Electric cyan (#00d4ff),
   White and subtle cool-neutral surfaces, Glass effects.
   ========================================================================== */

:root {
  --bg-primary: #1a1a2e;
  --bg-secondary: #22223a;
  --bg-surface: #2a2a42;
  --bg-surface-hover: #333355;
  --bg-elevated: #333355;

  --bg-glass: rgba(255, 255, 255, 0.03);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-hover: rgba(255, 255, 255, 0.15);

  --text-primary: #f4f1e8;
  --text-secondary: #a5b8af;
  --text-muted: #7a8a96;

  --accent-cyan: #00d4ff;
  --accent-cyan-dim: rgba(0, 212, 255, 0.12);
  --accent-cyan-glow: rgba(0, 212, 255, 0.25);

  --accent-purple: #7a3bec;
  --accent-purple-dim: rgba(122, 59, 236, 0.12);

  --success: #22c55e;
  --warning: #f59e0b;
  --error: #ef4444;
  --info: #3b82f6;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.15);

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms ease;
}

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

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Header ── */
.app-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-glass);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-icon {
  width: 40px;
  height: 40px;
  color: var(--accent-cyan);
}

.brand-text h1 {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin: 0;
}

.brand-text p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 2px 0 0;
}

.btn-clear-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--bg-surface);
  color: var(--text-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  transition: all var(--transition-fast);
}

.btn-clear-btn:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-color: var(--border-glass-hover);
}

.btn-clear-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ── Main Layout ── */
.app-main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* ── Search Section ── */
.search-section {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.search-bar {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.search-input-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 12px 16px;
  transition: all var(--transition-fast);
}

.search-input-wrapper:focus-within {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px var(--accent-cyan-dim);
}

.search-icon {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.search-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 1rem;
  font-family: var(--font-sans);
}

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

.search-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--accent-cyan);
  color: var(--bg-primary);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.search-btn:hover {
  background: #00b8ee;
  transform: scale(1.05);
}

.search-clear-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: transparent;
  color: var(--text-muted);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.search-clear-btn:hover {
  background: var(--bg-glass);
  color: var(--text-primary);
}

.search-submit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--accent-cyan);
  color: var(--bg-primary);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  opacity: 0;
}

.search-input-wrapper:focus-within .search-submit-btn {
  opacity: 1;
}

.search-hint {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.85rem;
  padding: 8px 0;
}

.search-hint svg {
  width: 16px;
  height: 16px;
  color: var(--text-muted);
}

/* ── Filters ── */
.filters-section {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.filters-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  min-width: 140px;
}

.filter-group label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.filter-group select {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-group select:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px var(--accent-cyan-dim);
}

.filter-group select option {
  background: var(--bg-primary);
  color: var(--text-primary);
}

/* Provider Status */
.provider-status {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  padding: 12px 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
}

.provider-status .status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.provider-status .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.provider-status .status-dot.idle {
  background: var(--text-muted);
}

.provider-status .status-dot.loading {
  background: var(--accent-cyan);
  animation: pulse 1.5s infinite;
}

.provider-status .status-dot.success {
  background: var(--success);
}

.provider-status .status-dot.empty {
  background: var(--warning);
}

.provider-status .status-dot.error,
.provider-status .status-dot.timeout,
.provider-status .status-dot.rate_limited,
.provider-status .status-dot.unauthorized,
.provider-status .status-dot.degraded {
  background: var(--error);
}

.provider-status .status-dot.unknown {
  background: var(--text-muted);
}

.provider-status .status-dot.active {
  background: var(--accent-cyan);
  box-shadow: 0 0 6px var(--accent-cyan-glow);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ── Results Header ── */
.results-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.results-count {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.count-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.count-loading {
  display: flex;
  align-items: center;
  gap: 8px;
}

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--accent-cyan);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

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

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent-cyan);
  color: var(--bg-primary);
}

.btn-primary:hover:not(:disabled) {
  background: #00b8ee;
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
}

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

.btn-small {
  padding: 6px 12px;
  font-size: 0.8rem;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
}

/* ── Result Cards ── */
.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.result-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.result-card:hover {
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.result-card .card-thumbnail {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--bg-glass);
}

.result-card .card-placeholder {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg-glass);
  color: var(--text-muted);
}

.result-card .card-placeholder svg {
  width: 48px;
  height: 48px;
  margin-bottom: 8px;
  opacity: 0.5;
}

.result-card .card-content {
  padding: 14px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.result-card .card-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
}

.result-card .card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.72rem;
  color: var(--text-muted);
}

.result-card .card-meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 6px;
  background: var(--bg-glass);
  border-radius: 4px;
}

.result-card .card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px 12px 12px;
  border-top: 1px solid var(--border-glass);
}

.result-card .card-actions .btn {
  padding: 4px 8px;
  font-size: 0.72rem;
}

/* ── Preview Panel ── */
.preview-panel {
  margin-top: 24px;
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

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

.preview-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: transparent;
  color: var(--text-muted);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.preview-close:hover {
  background: var(--bg-glass);
  color: var(--text-primary);
}

.preview-title {
  flex: 1;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
}

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

.preview-body {
  display: flex;
  flex-direction: column;
  padding: 16px;
  gap: 16px;
}

.preview-main {
  display: flex;
  gap: 16px;
  min-height: 300px;
}

.preview-main video {
  width: 100%;
  max-width: 600px;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: var(--bg-glass);
  border-radius: var(--radius-md);
  display: block;
}

.preview-posters {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.preview-posters .poster-thumb {
  width: 120px;
  height: 68px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glass);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.preview-posters .poster-thumb:hover {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan-glow);
}

.preview-side {
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
}

.preview-meta {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.meta-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.meta-value {
  font-size: 0.85rem;
  color: var(--text-primary);
  word-break: break-word;
}

.quality-selector {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--bg-glass);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glass);
}

.quality-selector label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.quality-selector select {
  padding: 8px 12px;
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  cursor: pointer;
}

.rights-status {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  background: var(--bg-glass);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glass);
}

.rights-badge {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.rights-badge.verified {
  background: rgba(34, 197, 94, 0.15);
  color: var(--success);
}

.rights-badge.restricted {
  background: rgba(239, 68, 68, 0.15);
  color: var(--error);
}

.rights-badge.unknown,
.rights-badge.review_required {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning);
}

.attribution-preview {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
  background: var(--bg-glass);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glass);
}

.attribution-text {
  font-size: 0.8rem;
  color: var(--text-secondary);
  max-width: 400px;
  word-break: break-word;
}

/* ── Selection Tray ── */
.selection-tray {
  margin-top: 24px;
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

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

.tray-header h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0;
}

.selection-count {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.selection-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 400px;
  overflow-y: auto;
  padding: 12px;
}

.tray-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 32px;
  text-align: center;
  color: var(--text-muted);
}

.tray-empty svg {
  width: 64px;
  height: 64px;
  opacity: 0.5;
}

/* ── Download Manager ── */
.download-manager {
  margin-top: 24px;
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

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

.manager-header h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0;
}

.download-count {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.download-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 500px;
  overflow-y: auto;
  padding: 12px;
}

.download-item {
  display: flex;
  gap: 14px;
  padding: 12px;
  background: var(--bg-glass);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glass);
  transition: all var(--transition-fast);
}

.download-item:hover {
  border-color: var(--accent-cyan);
}

.download-item-thumb {
  width: 80px;
  height: 45px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

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

.download-item-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-line-clamp: 2;
  overflow: hidden;
}

.download-item-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.download-item-actions {
  display: flex;
  gap: 6px;
}

.download-item-actions .btn {
  padding: 4px 8px;
  font-size: 0.72rem;
}

.download-item-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  flex-shrink: 0;
}

/* ── Attribution Section ── */
.attribution-section {
  max-width: 1400px;
  margin: 0 auto 40px;
  padding: 24px;
}

.attribution-section h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.attribution-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.attribution-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
}

.attribution-card svg {
  width: 32px;
  height: 32px;
  color: var(--accent-cyan);
  flex-shrink: 0;
  margin-top: 2px;
}

.attribution-card h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.attribution-card p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ── Loading States ── */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 60px;
  color: var(--text-secondary);
}

.spinner-large {
  width: 48px;
  height: 48px;
  border: 3px solid var(--accent-cyan);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ── No Results / Error States ── */
.no-results,
.error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  text-align: center;
  color: var(--text-secondary);
}

.no-results svg,
.error-state svg {
  width: 80px;
  height: 80px;
  margin-bottom: 16px;
  opacity: 0.4;
}

.no-results h3,
.error-state h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.no-results p,
.error-state p {
  font-size: 0.9rem;
  max-width: 400px;
}

.error-state button {
  margin-top: 12px;
}

/* ── Footer ── */
.app-footer {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px 24px;
  border-top: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.footer-inner {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-spacer {
  flex: 1;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .header-inner {
    padding: 10px 16px;
  }

  .brand-text h1 {
    font-size: 1.1rem;
  }

  .brand-text p {
    font-size: 0.72rem;
  }

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

  .filter-group {
    min-width: unset;
  }

  .results-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 14px;
  }

  .preview-main {
    flex-direction: column;
  }

  .preview-main video {
    max-width: 100%;
  }

  .preview-side {
    display: grid;
    grid-template-columns: 1fr;
  }

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

@media (max-width: 480px) {
  .search-input-wrapper {
    padding: 10px 12px;
  }

  .search-input {
    font-size: 0.9rem;
  }

  .brand-text h1 {
    font-size: 1rem;
  }

  .app-main {
    padding: 16px;
  }

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

/* ── Selection Tray — Empty state inside visible area ── */
.selection-tray .tray-empty {
  display: none;
}

.selection-tray:not(:empty) .tray-empty {
  display: flex;
}

/* ── Selection Tray Visibility ── */
.selection-tray:not(:empty) {
  display: flex;
}