/* ============================================
   BOOKISH LIBRARY - STYLES
   Warm brown color scheme, optimized for iPhone 13 mini
   ============================================ */

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
  /* Colors */
  --primary: #7b4b2a;
  --primary-dark: #5c3820;
  --primary-light: #b0723c;
  --bg-main: #fdf7ec;
  --bg-card: #fff9ec;
  --bg-filter: #fbf0dd;
  --bg-hover: #f8e7d0;
  --border-light: #ead4b4;
  --border-medium: #d4b48d;
  --text-dark: #3b2b23;
  --text-medium: #6b4b32;
  --text-light: #a88a69;
  --shadow: rgba(109, 76, 48, 0.25);
  --shadow-heavy: rgba(0, 0, 0, 0.45);
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  
  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-serif: Georgia, "Times New Roman", serif;
}

/* ============================================
   RESET & BASE
   ============================================ */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-main);
  color: var(--text-dark);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

#app {
  min-height: 100vh;
  padding-bottom: 2rem;
}

/* ============================================
   HEADER
   ============================================ */
.app-header {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fefaf3;
  padding: var(--spacing-md);
  padding-top: calc(var(--spacing-md) + env(safe-area-inset-top));
  box-shadow: 0 2px 8px var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
}

.header-left h1 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  letter-spacing: 0.02em;
  font-weight: 600;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.masthead-icon {
  width: 2rem;
  height: 2rem;
  object-fit: contain;
  filter: invert(1);
  mix-blend-mode: screen;
}

.header-left p {
  margin: 0.25rem 0 0;
  font-size: 0.85rem;
  opacity: 0.9;
}

.header-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.header-btn {
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 1.25rem;
  font-weight: 500;
  transition: all 0.2s;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.header-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-1px);
}

.header-btn-primary {
  background: rgba(255, 255, 255, 0.95);
  border: none;
  color: var(--primary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.2s;
  min-height: 44px;
  white-space: nowrap;
}

.header-btn-primary:hover {
  background: white;
  transform: translateY(-1px);
  box-shadow: 0 2px 4px var(--shadow);
}

/* ============================================
   FILTERS SECTION
   ============================================ */
.filters-section {
  background: var(--bg-filter);
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-medium);
  max-width: 1200px;
  margin: 0 auto;
}

.filter-row {
  margin-bottom: var(--spacing-md);
}

.filter-row:last-child {
  margin-bottom: 0;
}

.search-input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--border-medium);
  border-radius: var(--radius-md);
  font-size: 1rem;
  background: white;
  color: var(--text-dark);
  transition: border-color 0.2s;
}

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

.filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--spacing-sm);
}

.filter-select {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--border-medium);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  background: white;
  color: var(--text-dark);
  cursor: pointer;
  transition: border-color 0.2s;
}

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

.format-checkboxes {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.format-checkboxes label {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  cursor: pointer;
  font-size: 0.9rem;
  user-select: none;
  min-height: 44px;
}

.format-checkboxes input[type="checkbox"] {
  width: 20px;
  height: 20px;
  cursor: pointer;
}

.results-count {
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-medium);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--border-light);
}

/* ============================================
   BOOKS TABLE
   ============================================ */
.table-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-md);
  overflow-x: auto;
}

.books-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 2px 8px var(--shadow);
}

.books-table thead {
  background: var(--bg-filter);
}

.books-table th {
  padding: var(--spacing-md);
  text-align: left;
  font-weight: 600;
  color: var(--text-dark);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 2px solid var(--border-medium);
}

.books-table th.sortable {
  cursor: pointer;
  user-select: none;
  transition: background 0.2s;
}

.books-table th.sortable:hover {
  background: var(--bg-hover);
}

.sort-indicator {
  margin-left: var(--spacing-xs);
  color: var(--text-light);
  font-size: 0.8rem;
}

.books-table tbody tr {
  border-bottom: 1px solid var(--border-light);
  cursor: pointer;
  transition: background 0.2s;
}

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

.books-table td {
  padding: var(--spacing-md);
  font-size: 0.9rem;
}

.books-table td:first-child {
  font-weight: 500;
  color: var(--text-dark);
}

.format-badge {
  display: inline-block;
  padding: 2px 8px;
  margin-right: 4px;
  background: var(--bg-filter);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}

/* ============================================
   DETAIL SHEET (Bottom Sheet)
   ============================================ */
.detail-sheet {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  display: none;
}

.detail-sheet.active {
  display: block;
}

.detail-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  animation: fadeIn 0.3s;
}

.detail-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  max-height: 85vh;
  background: white;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  box-shadow: 0 -4px 20px var(--shadow-heavy);
  animation: slideUp 0.3s;
  overflow-y: auto;
  padding-bottom: env(safe-area-inset-bottom);
}

.detail-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  width: 32px;
  height: 32px;
  border: none;
  background: var(--bg-filter);
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-medium);
  z-index: 10;
}

.detail-body {
  padding: var(--spacing-xl) var(--spacing-md) var(--spacing-md);
}

.detail-body h2 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  color: var(--text-dark);
  margin-bottom: var(--spacing-sm);
}

.detail-author {
  font-size: 1.1rem;
  color: var(--text-medium);
  margin-bottom: var(--spacing-md);
}

.detail-meta {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
}

.detail-formats {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.detail-notes {
  background: var(--bg-filter);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.tag {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--primary);
  color: white;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}

.detail-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  border-top: 1px solid var(--border-light);
}

.action-btn {
  padding: var(--spacing-md);
  border: 2px solid var(--border-medium);
  background: white;
  color: var(--text-dark);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s;
  min-height: 48px;
}

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

.action-btn-danger {
  padding: var(--spacing-md);
  border: 2px solid #dc2626;
  background: white;
  color: #dc2626;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s;
  min-height: 48px;
}

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

/* ============================================
   MODAL
   ============================================ */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  display: none;
}

.modal.active {
  display: block;
}

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  animation: fadeIn 0.3s;
}

.modal-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px var(--shadow-heavy);
  overflow: hidden;
  animation: slideIn 0.3s;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-light);
  background: var(--bg-filter);
}

.modal-header h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--text-dark);
}

.modal-close {
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-medium);
}

.modal-body {
  padding: var(--spacing-md);
  overflow-y: auto;
  max-height: calc(90vh - 80px);
}

/* ============================================
   FORM ELEMENTS
   ============================================ */
.quick-add-section {
  margin-bottom: var(--spacing-lg);
}

.quick-add-section h3 {
  font-size: 1rem;
  color: var(--text-dark);
  margin-bottom: var(--spacing-sm);
}

.quick-add-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-sm);
}

.quick-btn {
  padding: var(--spacing-md);
  border: 2px solid var(--border-medium);
  background: white;
  color: var(--text-dark);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s;
  min-height: 48px;
}

.quick-btn:hover {
  background: var(--bg-hover);
  border-color: var(--primary);
}

.form-divider {
  text-align: center;
  margin: var(--spacing-lg) 0;
  position: relative;
}

.form-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border-medium);
}

.form-divider span {
  position: relative;
  background: white;
  padding: 0 var(--spacing-md);
  font-size: 0.85rem;
  color: var(--text-light);
  font-weight: 500;
}

.isbn-lookup-section {
  margin-bottom: var(--spacing-lg);
}

.isbn-lookup-primary {
  background: var(--bg-filter);
  border: 2px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
}

.isbn-lookup-primary h3 {
  font-size: 1rem;
  color: var(--text-dark);
  margin-bottom: var(--spacing-sm);
}

.isbn-input-group {
  display: flex;
  gap: var(--spacing-sm);
  width: 100%;
}

.isbn-input-group .form-input {
  flex: 1 1 0;
  min-width: 0; /* prevents flex overflow on small screens */
}

.isbn-input-group .btn-primary {
  flex: 0 0 auto; /* don't grow or shrink - fixed width */
  white-space: nowrap;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}

.paste-lookup-btn {
  width: 100%;
  margin-top: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 52px;
  transition: background 0.2s;
}

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

.help-text {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-top: var(--spacing-sm);
  line-height: 1.4;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-dark);
}

.form-input {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--border-medium);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: inherit;
  background: white;
  color: var(--text-dark);
  transition: border-color 0.2s;
}

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

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

.form-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-light);
}

.btn-primary {
  flex: 1;
  padding: var(--spacing-md);
  border: none;
  background: var(--primary);
  color: white;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  transition: all 0.2s;
  min-height: 48px;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 2px 4px var(--shadow);
}

.btn-secondary {
  flex: 1;
  padding: var(--spacing-md);
  border: 2px solid var(--border-medium);
  background: white;
  color: var(--text-dark);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  transition: all 0.2s;
  min-height: 48px;
}

.btn-secondary:hover {
  background: var(--bg-hover);
  border-color: var(--primary);
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
.toast-container {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  pointer-events: none;
}

.toast {
  background: var(--text-dark);
  color: white;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 12px var(--shadow-heavy);
  animation: slideUp 0.3s;
  pointer-events: all;
  max-width: 90vw;
  text-align: center;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

@keyframes slideIn {
  from { 
    transform: translate(-50%, -50%) scale(0.9);
    opacity: 0;
  }
  to { 
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }
}

/* ============================================
   RESPONSIVE - iPhone 13 mini (375px)
   ============================================ */
@media (max-width: 425px) {
  .filter-grid {
    grid-template-columns: 1fr;
  }
  
  .books-table {
    font-size: 0.85rem;
  }
  
  .books-table th,
  .books-table td {
    padding: var(--spacing-sm);
  }
  
  .detail-actions {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.hidden {
  display: none !important;
}

.text-center {
  text-align: center;
}

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
/* Focus indicator (tap to focus) */
.focus-indicator {
  position: absolute;
  width: 60px;
  height: 60px;
  border: 2px solid white;
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%);
  animation: focusPulse 1s ease-out;
}

@keyframes focusPulse {
  0% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.5);
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(1);
  }
}

/* Barcode detection flash */
.barcode-flash-success,
.barcode-flash-warning {
  position: absolute;
  inset: 0;
  pointer-events: none;
  animation: flashOverlay 0.3s ease-out;
}

.barcode-flash-success {
  background: rgba(45, 134, 89, 0.3);
}

.barcode-flash-warning {
  background: rgba(255, 193, 7, 0.3);
}

@keyframes flashOverlay {
  0% { opacity: 1; }
  100% { opacity: 0; }
}

/* ============================================
   BULK EDIT
   ============================================ */
.bulk-toolbar {
  background: var(--primary);
  color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  max-width: 1200px;
  margin: 0 auto;
}

.bulk-toolbar #bulkCount {
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
}

.bulk-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.bulk-btn {
  padding: var(--spacing-xs) var(--spacing-md);
  border: 1px solid rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.15);
  color: white;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  min-height: 36px;
  transition: background 0.2s;
}

.bulk-btn:hover {
  background: rgba(255,255,255,0.3);
}

.bulk-btn-cancel {
  padding: var(--spacing-xs) var(--spacing-md);
  border: 1px solid rgba(255,255,255,0.5);
  background: transparent;
  color: rgba(255,255,255,0.8);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 0.85rem;
  min-height: 36px;
  transition: all 0.2s;
}

.bulk-btn-cancel:hover {
  background: rgba(0,0,0,0.2);
}

.select-col {
  width: 44px;
  padding: var(--spacing-sm) !important;
  text-align: center;
}

.select-mode-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  padding: 4px;
  border-radius: var(--radius-sm);
  transition: background 0.2s;
}

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

.books-table tbody tr.selected {
  background: #fef3e2;
}

.books-table tbody tr td.select-cell {
  text-align: center;
  padding: var(--spacing-sm) !important;
}

.books-table tbody tr td.select-cell input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

/* Status message */
.barcode-status-info {
  color: var(--text-medium);
  background: var(--bg-card);
}

.barcode-status-success {
  color: var(--success);
  background: rgba(45, 134, 89, 0.1);
}

/* ─── Discover Feature ───────────────────────────────────────────────────────── */

/* Header button */
.header-btn-discover {
  background: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.4);
  color: #fefaf3;
  padding: 0.45rem 0.8rem;
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: background 0.15s;
  white-space: nowrap;
}
.header-btn-discover:hover { background: rgba(255,255,255,0.3); }

/* Backdrop */
.discover-backdrop {
  display: none;
  position: fixed; inset: 0;
  background: rgba(40, 20, 10, 0.45);
  z-index: 200;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}
.discover-backdrop.open { display: block; animation: discoverFadeIn 0.2s ease; }
@keyframes discoverFadeIn { from { opacity: 0 } to { opacity: 1 } }

/* Sheet */
.discover-sheet {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: var(--bg-main);
  border-radius: 1.25rem 1.25rem 0 0;
  box-shadow: 0 -4px 32px rgba(0,0,0,0.18);
  z-index: 201;
  max-height: 92dvh;
  display: flex; flex-direction: column;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(.32,.72,0,1);
  overscroll-behavior: contain;
}
.discover-sheet.open { transform: translateY(0); }

.discover-handle {
  width: 36px; height: 4px;
  background: var(--border-medium);
  border-radius: 2px;
  margin: 0.75rem auto 0;
  flex-shrink: 0;
}

/* Sheet header */
.discover-sheet-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.8rem 1rem 0.7rem;
  border-bottom: 1px solid var(--border-light);
  flex-shrink: 0;
}
.discover-sheet-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--text-dark);
  font-weight: 600;
}
.discover-close {
  background: var(--bg-filter);
  border: none; color: var(--text-medium);
  width: 28px; height: 28px;
  border-radius: 50%; cursor: pointer;
  font-size: 0.82rem;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s;
}
.discover-close:hover { background: var(--bg-hover); }

/* Prompt row */
.discover-prompt-row {
  display: flex; gap: 0.5rem;
  padding: 0.8rem 1rem 0;
  flex-shrink: 0;
}
.discover-prompt-input {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 0.6rem 0.85rem;
  font-size: 0.9rem;
  color: var(--text-dark);
  font-family: var(--font-sans);
  outline: none;
  transition: border-color 0.15s;
}
.discover-prompt-input:focus { border-color: var(--primary-light); }
.discover-go-btn {
  background: var(--primary); color: #fefaf3;
  border: none; border-radius: var(--radius-md);
  padding: 0 1.1rem;
  font-size: 0.9rem; font-weight: 600;
  font-family: var(--font-sans); cursor: pointer;
  transition: background 0.15s;
}
.discover-go-btn:hover { background: var(--primary-dark); }

/* Chips */
.discover-chip-row {
  display: flex; gap: 0.45rem;
  padding: 0.6rem 1rem 0;
  overflow-x: auto; scrollbar-width: none;
  flex-shrink: 0;
}
.discover-chip-row::-webkit-scrollbar { display: none; }
.discover-chip {
  background: var(--bg-filter);
  border: 1px solid var(--border-light);
  color: var(--text-medium);
  padding: 0.28rem 0.7rem;
  border-radius: 20px;
  font-size: 0.76rem; white-space: nowrap;
  cursor: pointer; font-family: var(--font-sans);
  transition: all 0.15s;
}
.discover-chip:hover,
.discover-chip.active {
  background: var(--primary); color: #fefaf3; border-color: var(--primary);
}

/* Loading */
.discover-loading {
  padding: 2.5rem 1rem;
  text-align: center; color: var(--text-light);
  flex-shrink: 0;
}
.discover-spinner {
  width: 28px; height: 28px;
  border: 3px solid var(--border-light);
  border-top-color: var(--primary);
  border-radius: 50%;
  margin: 0 auto 0.75rem;
  animation: discoverSpin 0.7s linear infinite;
}
@keyframes discoverSpin { to { transform: rotate(360deg); } }
.discover-loading p { font-size: 0.85rem; }

/* Error */
.discover-error {
  margin: 0.75rem 1rem 0;
  padding: 0.7rem 0.9rem;
  background: #fff0f0; border: 1px solid #f5c6c6;
  border-radius: var(--radius-md);
  font-size: 0.82rem; color: #c0392b;
  flex-shrink: 0;
}

/* Results */
.discover-results {
  flex: 1; overflow-y: auto;
  padding: 0.8rem 1rem 2.5rem;
  overscroll-behavior: contain;
}
.discover-results-label {
  font-size: 0.72rem; color: var(--text-light);
  text-transform: uppercase; letter-spacing: 0.07em;
  font-weight: 600; margin-bottom: 0.7rem;
}
.discover-taste-summary {
  background: var(--bg-filter);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 0.7rem 0.85rem;
  font-size: 0.8rem; color: var(--text-medium);
  line-height: 1.6; font-style: italic;
  margin-bottom: 0.85rem;
}
.discover-empty {
  font-size: 0.85rem; color: var(--text-light);
  font-style: italic; padding: 1rem 0;
}

/* Recommendation card */
.discover-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 0.85rem;
  margin-bottom: 0.7rem;
  display: flex; gap: 0.8rem;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.discover-card:hover {
  border-color: var(--border-medium);
  box-shadow: 0 2px 10px var(--shadow);
}
.discover-card-cover {
  width: 52px; flex-shrink: 0;
  aspect-ratio: 2/3;
  border-radius: 4px;
  background: var(--bg-filter);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.35rem;
}
.discover-card-body {
  flex: 1; min-width: 0;
  display: flex; flex-direction: column; gap: 0.28rem;
}
.discover-card-title {
  font-size: 0.88rem; font-weight: 700;
  color: var(--text-dark); line-height: 1.3;
}
.discover-card-author { font-size: 0.78rem; color: var(--text-medium); }
.discover-card-tags { display: flex; gap: 0.35rem; flex-wrap: wrap; }
.discover-tag {
  font-size: 0.63rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.04em;
  padding: 2px 7px; border-radius: 20px;
  background: var(--bg-hover); color: var(--text-medium);
}
.discover-tag-format { background: #e8f0fb; color: #2a5298; }
.discover-card-why {
  font-size: 0.77rem; color: var(--text-medium);
  line-height: 1.55; margin-top: 0.1rem;
}

/* Action row */
.discover-card-actions {
  display: flex; gap: 0.45rem; margin-top: 0.45rem;
}
.discover-btn {
  font-size: 0.74rem; padding: 0.3rem 0.7rem;
  border-radius: var(--radius-md); border: 1px solid;
  cursor: pointer; font-family: var(--font-sans);
  font-weight: 500; transition: all 0.15s;
}
.discover-btn-add {
  background: var(--primary); color: #fefaf3; border-color: var(--primary);
}
.discover-btn-add:hover:not(:disabled) { background: var(--primary-dark); border-color: var(--primary-dark); }
.discover-btn-add:disabled { opacity: 0.7; cursor: default; }
.discover-btn-skip {
  background: transparent; color: var(--text-light); border-color: var(--border-medium);
}
.discover-btn-skip:hover { border-color: var(--text-light); color: var(--text-medium); }

/* Buy links */
.discover-buy {
  display: flex; align-items: center; gap: 0.55rem;
  margin-top: 0.4rem;
}
.discover-buy-label { font-size: 0.68rem; color: var(--text-light); }
.discover-buy a {
  font-size: 0.7rem; font-weight: 500;
  text-decoration: none; color: var(--text-medium);
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 1px;
  transition: color 0.15s, border-color 0.15s;
}
.discover-buy a:hover { color: var(--primary); border-color: var(--primary-light); }
.discover-buy-sep { font-size: 0.62rem; color: var(--border-medium); }