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

:root {
  --bg-primary: #1a1a2e;
  --bg-secondary: #16213e;
  --bg-card: #0f3460;
  --text-primary: #eee;
  --text-secondary: #aaa;
  --accent: #e94560;
  --accent-dim: #a83349;
  --success: #4ade80;
  --warning: #fbbf24;
  --danger: #ef4444;
  --tier1: #fbbf24;
  --tier2: #fb923c;
  --tier3: #a855f7;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}

#app {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.screen {
  display: none;
  height: 100%;
  flex-direction: column;
}

.screen.active {
  display: flex;
}

/* Login Screen */
.login-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

.login-container h1 {
  font-size: 2rem;
  margin-bottom: 2rem;
}

#login-form {
  width: 100%;
  max-width: 320px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

#login-form input {
  padding: 1rem;
  border: none;
  border-radius: 8px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 1rem;
}

#login-form button {
  padding: 1rem;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

#login-form button:active {
  background: var(--accent-dim);
}

.remember-me {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
  cursor: pointer;
}

.remember-me input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.error {
  color: var(--danger);
  text-align: center;
  font-size: 0.875rem;
}

/* Header */
#app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

#app-header h2 {
  font-size: 1.25rem;
}

.icon-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.5rem;
}

/* Tab Content */
#tab-content {
  flex: 1;
  overflow: hidden;
  position: relative;
}

.tab-panel {
  display: none;
  height: 100%;
  flex-direction: column;
  overflow: hidden;
}

.tab-panel.active {
  display: flex;
}

/* Search Bar */
.search-bar {
  display: flex;
  gap: 0.5rem;
  padding: 1rem;
  background: var(--bg-secondary);
}

.search-bar input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: none;
  border-radius: 8px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 1rem;
}

.search-bar button, .search-bar select {
  padding: 0.75rem 1rem;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  font-size: 1rem;
  cursor: pointer;
}

.search-bar select {
  background: var(--bg-card);
  color: var(--text-primary);
}

/* Results Container */
.results-container, .list-container {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  -webkit-overflow-scrolling: touch;
}

/* Cards */
.card {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

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

.card-meta {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  opacity: 0.8;
}

.card-meta.mono {
  font-family: 'SF Mono', 'Monaco', monospace;
}

.card-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  padding: 0.25rem 0;
}

.card-row.mono {
  font-family: 'SF Mono', 'Monaco', monospace;
  font-size: 0.8rem;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-tier1 { background: var(--tier1); color: #000; }
.badge-tier2 { background: var(--tier2); color: #000; }
.badge-tier3 { background: var(--tier3); color: #fff; }
.badge-success { background: var(--success); color: #000; }
.badge-warning { background: var(--warning); color: #000; }
.badge-danger { background: var(--danger); color: #fff; }
.badge-muted { background: rgba(255,255,255,0.1); color: var(--text-secondary); }

/* Author Tier Badge with Star */
.tier-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.35rem 0.6rem;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 700;
  margin-left: 0.5rem;
}

.tier-badge.tier-1 {
  background: var(--tier1);
  color: #000;
  box-shadow: 0 0 8px rgba(251, 191, 36, 0.5);
}

.tier-badge.tier-2 {
  background: var(--tier2);
  color: #000;
  box-shadow: 0 0 8px rgba(251, 146, 60, 0.5);
}

.tier-badge.tier-3 {
  background: var(--tier3);
  color: #fff;
  box-shadow: 0 0 8px rgba(168, 85, 247, 0.5);
}

/* Scan Another Button */
.scan-another-btn {
  width: 100%;
  margin-top: 1rem;
  padding: 1rem;
  border: none;
  border-radius: 12px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: 1px solid rgba(255,255,255,0.1);
}

.scan-another-btn:active {
  background: var(--bg-card);
  transform: scale(0.98);
}

/* Inventory section within book card */
.inventory-section {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.inventory-item {
  background: rgba(0,0,0,0.2);
  border-radius: 8px;
  padding: 0.75rem;
  margin-bottom: 0.5rem;
}

.offer-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Scanner */
#scanner-container {
  position: relative;
  width: 100%;
  aspect-ratio: 4/3;
  max-height: 300px;
  background: #000;
  overflow: hidden;
}

#scanner-video {
  width: 100%;
  height: 100%;
  min-height: 250px;
}

#scanner-video video {
  width: 100% !important;
  height: 100% !important;
  object-fit: cover !important;
}

.manual-entry {
  display: flex;
  gap: 0.5rem;
  padding: 1rem;
  background: var(--bg-secondary);
}

.manual-entry input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: none;
  border-radius: 8px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 1rem;
}

.manual-entry button {
  padding: 0.75rem 1rem;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  cursor: pointer;
}

/* Load More Button */
.load-more-btn {
  width: 100%;
  padding: 1rem;
  margin: 1rem 0;
  border: none;
  border-radius: 8px;
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 1rem;
  cursor: pointer;
}

/* FAB */
.fab {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: none;
  background: var(--accent);
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

/* Bottom Navigation */
#bottom-nav {
  display: flex;
  background: var(--bg-secondary);
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-bottom: var(--safe-bottom);
}

.nav-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  padding: 0.75rem 0;
  border: none;
  background: none;
  color: var(--text-secondary);
  cursor: pointer;
  transition: color 0.2s;
}

.nav-btn.active {
  color: var(--accent);
}

.nav-badge {
  position: absolute;
  top: 4px;
  right: 50%;
  transform: translateX(12px);
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 700;
  background: var(--danger);
  color: white;
  border-radius: 9px;
}

.nav-icon {
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
}

.nav-label {
  font-size: 0.7rem;
}

/* Watch specific */
.watch-card {
  position: relative;
}

.watch-marketplace {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
}

.watch-prices {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.price-block {
  text-align: center;
  padding: 0.5rem;
  background: rgba(0,0,0,0.2);
  border-radius: 6px;
}

.price-label {
  font-size: 0.7rem;
  color: var(--text-secondary);
}

.price-value {
  font-size: 1rem;
  font-weight: 600;
}

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

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

/* Loading spinner */
.loading {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--bg-card);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Toast notifications */
.toast {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-card);
  color: var(--text-primary);
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  z-index: 1000;
  animation: toast-in 0.3s ease;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

/* ============================================================================
   Book Detail Overlay
   ============================================================================ */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-primary);
  z-index: 100;
  display: none;
  flex-direction: column;
}

.overlay.active {
  display: flex;
}

.overlay-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.overlay-header h2 {
  flex: 1;
  font-size: 1.125rem;
}

.overlay-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  line-height: 1;
}

.overlay-close:active {
  opacity: 0.7;
}

.overlay-content {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  -webkit-overflow-scrolling: touch;
}

/* Clickable Book Card */
.card.clickable {
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.card.clickable:active {
  transform: scale(0.98);
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.card-tap-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px dashed rgba(255,255,255,0.2);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Book Detail Page Sections */
.detail-section {
  margin-bottom: 1.5rem;
}

.detail-section-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  letter-spacing: 0.05em;
}

.detail-cover {
  text-align: center;
  margin-bottom: 1rem;
}

.detail-cover img {
  max-width: 150px;
  max-height: 200px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.detail-title {
  font-size: 1.25rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.5rem;
}

.detail-author {
  font-size: 1rem;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 1rem;
}

.detail-author .badge {
  margin-left: 0.5rem;
}

/* Recommendation Banner */
.recommendation-banner {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border-radius: 12px;
  margin-bottom: 1rem;
}

.recommendation-banner.buy {
  background: linear-gradient(135deg, rgba(74, 222, 128, 0.2), rgba(74, 222, 128, 0.05));
  border: 1px solid var(--success);
}

.recommendation-banner.maybe {
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.2), rgba(251, 191, 36, 0.05));
  border: 1px solid var(--warning);
}

.recommendation-banner.skip {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.2), rgba(239, 68, 68, 0.05));
  border: 1px solid var(--danger);
}

.recommendation-action {
  font-size: 2rem;
  font-weight: 700;
}

.recommendation-banner.buy .recommendation-action { color: var(--success); }
.recommendation-banner.maybe .recommendation-action { color: var(--warning); }
.recommendation-banner.skip .recommendation-action { color: var(--danger); }

.recommendation-details {
  flex: 1;
}

.recommendation-score {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.recommendation-explanation {
  font-size: 0.875rem;
}

/* Signal Breakdown */
.signals-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}

.signal-item {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0.75rem;
  background: rgba(0,0,0,0.2);
  border-radius: 6px;
  font-size: 0.8rem;
}

.signal-label {
  color: var(--text-secondary);
}

.signal-value {
  font-weight: 600;
}

.signal-value.positive { color: var(--success); }
.signal-value.negative { color: var(--danger); }
.signal-value.neutral { color: var(--text-secondary); }

/* Book Metadata Grid */
.metadata-grid {
  display: grid;
  gap: 0.5rem;
}

.metadata-row {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

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

.metadata-value {
  font-size: 0.875rem;
  font-weight: 500;
  text-align: right;
  max-width: 60%;
}

.metadata-value.mono {
  font-family: 'SF Mono', 'Monaco', monospace;
  font-size: 0.8rem;
}

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

.series-item {
  padding: 0.5rem 0.75rem;
  background: rgba(74, 222, 128, 0.1);
  border-left: 3px solid var(--success);
  border-radius: 4px;
  font-size: 0.875rem;
}

/* Price List */
.price-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.price-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem;
  background: var(--bg-card);
  border-radius: 8px;
}

.price-retailer {
  flex: 1;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
}

.price-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--success);
  min-width: 70px;
  text-align: right;
}

.price-condition {
  font-size: 0.75rem;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.05);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  max-width: 100px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Overlay Footer */
.overlay-footer {
  padding: 1rem;
  background: var(--bg-secondary);
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-bottom: calc(1rem + var(--safe-bottom));
}

/* Primary Button */
.primary-btn {
  width: 100%;
  padding: 1rem;
  border: none;
  border-radius: 12px;
  background: var(--accent);
  color: white;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.primary-btn:active {
  background: var(--accent-dim);
  transform: scale(0.98);
}

.secondary-btn {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.secondary-btn:active {
  background: var(--bg-tertiary);
  transform: scale(0.98);
}

.photo-btn-row {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

/* Scan Action Buttons */
.scan-action-buttons {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
}

.scan-another-btn,
.bought-btn {
  flex: 1;
  padding: 1rem;
  border: none;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.scan-another-btn {
  background: var(--bg-card);
  color: var(--text-primary);
}

.bought-btn {
  background: var(--success);
  color: #000;
}

.scan-another-btn:active,
.bought-btn:active {
  transform: scale(0.98);
  opacity: 0.9;
}

/* Bought Form */
.bought-form {
  padding: 1rem;
}

.bought-book-info {
  text-align: center;
  padding: 1rem 0;
  margin-bottom: 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.bought-cover {
  width: 80px;
  height: auto;
  border-radius: 4px;
  margin-bottom: 0.5rem;
}

.bought-title {
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

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

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.875rem;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 8px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 1rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23aaa' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}

.bought-submit-btn {
  margin-top: 1rem;
}

.bought-submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Queue Cards */
.queue-card {
  cursor: pointer;
  transition: transform 0.1s;
}

.queue-card:active {
  transform: scale(0.98);
}

.queue-info {
  overflow: hidden;
}

.queue-detail-cover {
  text-align: center;
  margin-bottom: 1rem;
}

.queue-detail-cover img {
  max-width: 150px;
  max-height: 200px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.queue-save-btn {
  margin-top: 1rem;
}

.queue-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.5rem;
  margin-bottom: 1rem;
}

.queue-actions button {
  padding: 0.875rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}

.success-btn {
  background: var(--success);
  color: #000;
}

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

/* Form input for queue edit */
.form-input {
  width: 100%;
  padding: 0.875rem;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 8px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 1rem;
}

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

/* ===========================================
   INVENTORY TAB
   =========================================== */

.inventory-search-bar {
  display: flex;
  gap: 0.5rem;
  padding: 1rem;
  background: var(--bg-primary);
  position: sticky;
  top: 0;
  z-index: 10;
}

.inventory-search-bar input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 8px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 1rem;
}

.inventory-search-bar button {
  padding: 0.75rem 1rem;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  font-size: 1rem;
}

#inventory-list {
  padding: 0 1rem 1rem;
}

.inventory-card {
  display: flex;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-secondary);
  border-radius: 12px;
  margin-bottom: 0.75rem;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.inventory-card:active {
  transform: scale(0.98);
}

.inventory-cover {
  width: 60px;
  height: 80px;
  border-radius: 6px;
  object-fit: cover;
  background: var(--bg-primary);
  flex-shrink: 0;
}

.inventory-info {
  flex: 1;
  overflow: hidden;
}

.inventory-info h3 {
  font-size: 1rem;
  margin: 0 0 0.25rem;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.inventory-info .author {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.inventory-meta {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.inventory-meta .tag {
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  background: rgba(255,255,255,0.1);
  border-radius: 4px;
  color: var(--text-secondary);
}

.inventory-meta .tag.price {
  background: rgba(52, 199, 89, 0.2);
  color: #34c759;
}

.inventory-meta .tag.photos {
  background: rgba(94, 92, 230, 0.2);
  color: #5e5ce6;
}

/* ===========================================
   INVENTORY DETAIL OVERLAY
   =========================================== */

.inventory-detail-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-primary);
  z-index: 1000;
  overflow-y: auto;
  display: none;
}

.inventory-detail-overlay.active {
  display: block;
}

.inventory-detail-header {
  display: flex;
  align-items: center;
  padding: 1rem;
  background: var(--bg-secondary);
  position: sticky;
  top: 0;
  z-index: 10;
}

.inventory-detail-header h2 {
  flex: 1;
  font-size: 1.125rem;
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.inventory-detail-content {
  padding: 1rem;
}

.inventory-detail-cover {
  text-align: center;
  margin-bottom: 1.5rem;
}

.inventory-detail-cover img {
  max-width: 150px;
  max-height: 200px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.inventory-detail-info {
  margin-bottom: 1.5rem;
}

.inventory-detail-info h3 {
  font-size: 1.25rem;
  margin: 0 0 0.5rem;
}

.inventory-detail-info .author {
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.inventory-detail-row {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.inventory-detail-row .label {
  color: var(--text-secondary);
}

.inventory-detail-row .value {
  font-weight: 500;
}

/* Photos Section */
.photos-section {
  margin-top: 1.5rem;
}

.photos-section h4 {
  font-size: 1rem;
  margin: 0 0 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.photos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.photo-thumb {
  aspect-ratio: 1;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  background: var(--bg-secondary);
  position: relative;
}

.photo-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.photo-delete-btn {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  border: none;
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  z-index: 2;
}

.photo-delete-btn:active {
  background: var(--danger);
}

.photo-select-cover {
  position: absolute;
  top: 4px;
  left: 4px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.7);
  color: #fbbf24;
  border: none;
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  z-index: 2;
}

.photo-select-cover:active {
  background: #fbbf24;
  color: #000;
}

.photo-thumb.selected-cover {
  border: 3px solid #fbbf24;
  box-shadow: 0 0 12px rgba(251, 191, 36, 0.5);
}

.photo-thumb.selected-cover .photo-select-cover {
  background: #fbbf24;
  color: #000;
}

.photo-hint {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-align: center;
  margin-top: 0.5rem;
  opacity: 0.8;
}

.add-photo-btn {
  aspect-ratio: 1;
  border-radius: 8px;
  border: 2px dashed rgba(255,255,255,0.3);
  background: transparent;
  color: var(--text-secondary);
  font-size: 2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s, color 0.2s;
}

.add-photo-btn:hover,
.add-photo-btn:active {
  border-color: var(--accent);
  color: var(--accent);
}

/* Photo Viewer (full screen) */
.photo-viewer {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.95);
  z-index: 2000;
  display: none;
  flex-direction: column;
}

.photo-viewer.active {
  display: flex;
}

.photo-viewer-header {
  display: flex;
  align-items: center;
  padding: 1rem;
  background: rgba(0,0,0,0.5);
}

.photo-viewer-header h3 {
  flex: 1;
  margin: 0;
  font-size: 1rem;
}

.photo-viewer-content {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.photo-viewer-content img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.load-more-btn {
  width: 100%;
  padding: 1rem;
  margin: 1rem 0;
  border: none;
  border-radius: 8px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 1rem;
  cursor: pointer;
}

/* Photo upload section for queue items */
.photo-upload-section {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.photo-upload-section .photo-btn-row {
  display: flex;
  gap: 0.75rem;
}

.photo-upload-section .secondary-btn {
  flex: 1;
  padding: 0.875rem 1rem;
  min-height: 48px;
}

/* Notifications */
.notifications-header {
  display: flex;
  justify-content: flex-end;
  padding: 0.75rem 1rem;
}

.mark-all-btn {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 6px;
  background: var(--bg-card);
  color: var(--accent);
  font-size: 0.85rem;
  cursor: pointer;
}

.notification-card {
  display: flex;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--bg-card);
  border-radius: 10px;
  margin-bottom: 0.75rem;
  position: relative;
  cursor: pointer;
  transition: opacity 0.2s;
}

.notification-card.notification-read {
  opacity: 0.6;
}

.notification-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.notification-content {
  flex: 1;
  min-width: 0;
}

.notification-title {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.notification-message {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
  white-space: pre-line;
}

.notification-time {
  font-size: 0.75rem;
  color: var(--text-secondary);
  opacity: 0.7;
}

.notification-dot {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
}

/* ===== Want List ===== */
.wantlist-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.wantlist-header .add-btn {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 6px;
  background: var(--accent);
  color: white;
  font-size: 0.85rem;
  cursor: pointer;
}

.wantlist-filter {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.wantlist-filter input[type="checkbox"] {
  width: 18px;
  height: 18px;
}

.wantlist-form {
  padding: 1rem;
  background: var(--bg-card);
  margin: 0.75rem;
  border-radius: 10px;
}

.wantlist-form input,
.wantlist-form textarea,
.wantlist-form select {
  width: 100%;
  padding: 0.75rem;
  margin-bottom: 0.75rem;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 1rem;
}

.wantlist-form textarea {
  min-height: 80px;
  resize: vertical;
}

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

.wantlist-priority label {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.wantlist-priority select {
  flex: 1;
  margin-bottom: 0;
}

.wantlist-form-buttons {
  display: flex;
  gap: 0.75rem;
}

.wantlist-form-buttons button {
  flex: 1;
  padding: 0.75rem;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
}

.wantlist-form-buttons .cancel-btn {
  background: var(--bg-secondary);
  color: var(--text-secondary);
}

.wantlist-form-buttons .save-btn {
  background: var(--accent);
  color: white;
}

.wantlist-card {
  display: flex;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--bg-card);
  border-radius: 10px;
  margin-bottom: 0.75rem;
  position: relative;
}

.wantlist-card.is-found {
  opacity: 0.6;
}

.wantlist-priority-indicator {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  border-radius: 10px 0 0 10px;
}

.wantlist-priority-0 { background: var(--text-secondary); }
.wantlist-priority-1 { background: #6b8e23; }
.wantlist-priority-2 { background: #daa520; }
.wantlist-priority-3 { background: #ff8c00; }
.wantlist-priority-4 { background: #dc143c; }
.wantlist-priority-5 { background: #ff0000; }

.wantlist-content {
  flex: 1;
  min-width: 0;
  padding-left: 0.5rem;
}

.wantlist-title {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.wantlist-author {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.wantlist-notes {
  font-size: 0.8rem;
  color: var(--text-secondary);
  opacity: 0.8;
  margin-top: 0.5rem;
  font-style: italic;
}

.wantlist-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex-shrink: 0;
}

.wantlist-actions button {
  padding: 0.5rem;
  border: none;
  border-radius: 6px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: 1.1rem;
  cursor: pointer;
  min-width: 36px;
  min-height: 36px;
}

.wantlist-actions .booko-btn {
  background: var(--accent);
  color: white;
}

.wantlist-actions .found-btn.is-found {
  background: var(--success);
  color: white;
}

.wantlist-actions .delete-btn:active {
  background: var(--danger);
  color: white;
}