@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
  --bg-main: #0a0c10;
  --bg-surface: #11141d;
  --bg-card: #161b26;
  --bg-card-hover: #1c2333;
  --bg-input: #0e1118;
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(245, 158, 11, 0.35);
  
  --accent-gold: #f59e0b;
  --accent-gold-hover: #fbbf24;
  --accent-glow: rgba(245, 158, 11, 0.25);
  --accent-cyan: #38bdf8;
  --accent-emerald: #10b981;
  --accent-rose: #f43f5e;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-card: 0 10px 25px -3px rgba(0, 0, 0, 0.6), 0 4px 6px -4px rgba(0, 0, 0, 0.5);
  --shadow-hover: 0 20px 35px -5px rgba(0, 0, 0, 0.8), 0 0 25px var(--accent-glow);
  
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html, body {
  max-width: 100%;
  overflow-x: hidden;
  box-sizing: border-box;
}

body {
  background-color: var(--bg-main);
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(245, 158, 11, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 85% 75%, rgba(56, 189, 248, 0.04) 0%, transparent 40%),
    linear-gradient(180deg, #0b0d14 0%, #07080b 100%);
  background-attachment: fixed;
  color: var(--text-primary);
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  min-height: 100vh;
  line-height: 1.5;
}

/* Скроллбар */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
  background: #272f42;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #3b4661;
}

/* Контейнер */
.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
  box-sizing: border-box;
}

/* ШАПКА САЙТА (HEADER) */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13, 16, 23, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 0;
  width: 100%;
  box-sizing: border-box;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  width: 100%;
  box-sizing: border-box;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  flex-shrink: 0;
}

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, #f59e0b, #b45309);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 16px rgba(245, 158, 11, 0.4);
  font-size: 20px;
  flex-shrink: 0;
}

.brand-title {
  font-family: 'Outfit', sans-serif;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(90deg, #ffffff 30%, #fcd34d 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.brand-subtitle {
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  font-weight: 600;
}

/* Переключатель полок */
.shelf-switcher-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 1;
  min-width: 0;
}

/* Поиск в шапке */
.search-wrapper {
  position: relative;
  flex: 1 1 200px;
  max-width: 380px;
  min-width: 160px;
}

.search-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 8px 16px 8px 38px;
  color: var(--text-primary);
  font-size: 13px;
  transition: var(--transition);
  box-sizing: border-box;
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 14px;
  pointer-events: none;
}

.clear-search-btn {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  display: none;
  font-size: 14px;
}
.clear-search-btn:hover {
  color: var(--text-primary);
}

/* Действия в шапке */
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  flex-shrink: 0;
}

/* Кнопки */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
  box-sizing: border-box;
}

.btn-primary {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #0b0d14;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-color);
  color: var(--text-primary);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-danger {
  background: rgba(244, 63, 94, 0.15);
  border-color: rgba(244, 63, 94, 0.3);
  color: #fda4af;
}
.btn-danger:hover {
  background: rgba(244, 63, 94, 0.3);
  color: #fff;
}

/* СТАТИСТИКА */
.stats-banner {
  padding: 20px 0 12px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}

.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.stat-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(245, 158, 11, 0.12);
  color: var(--accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.stat-icon.blue {
  background: rgba(56, 189, 248, 0.12);
  color: var(--accent-cyan);
}

.stat-icon.green {
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent-emerald);
}

.stat-icon.purple {
  background: rgba(168, 85, 247, 0.12);
  color: #c084fc;
}

.stat-info {
  display: flex;
  flex-direction: column;
}

.stat-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.stat-value {
  font-family: 'Outfit', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.stat-subtext {
  font-size: 11px;
  color: var(--text-secondary);
}

/* ПАНЕЛЬ УПРАВЛЕНИЯ И ФИЛЬТРОВ */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.filters-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.select-wrapper {
  position: relative;
}

.custom-select {
  appearance: none;
  -webkit-appearance: none;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 7px 30px 7px 12px;
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.custom-select:focus {
  outline: none;
  border-color: var(--accent-gold);
}

.select-icon {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  font-size: 9px;
  color: var(--text-muted);
}

.genre-chips {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  max-width: 100%;
  padding-bottom: 4px;
}

.genre-chip {
  padding: 5px 12px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.genre-chip:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

.genre-chip.active {
  background: rgba(245, 158, 11, 0.15);
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

.view-mode-group {
  display: flex;
  align-items: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 3px;
  gap: 2px;
}

.view-mode-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 5px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  transition: var(--transition);
}

.view-mode-btn.active {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

/* ===================================================
   СЕТКА ПОЛКИ С ОБЛОЖКАМИ КНИГ (LOSTFILM POSTER STYLE)
   =================================================== */
.shelf-container {
  min-height: 400px;
  padding-bottom: 80px;
}

.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 24px 18px;
}

/* Карточка книги */
.book-card {
  position: relative;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  box-shadow: var(--shadow-card);
  user-select: none;
}

.book-card:hover {
  transform: translateY(-6px) scale(1.02);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-hover);
  z-index: 10;
}

/* Стили при перетаскивании (Drag and Drop) */
.book-card.dragging {
  opacity: 0.35;
  transform: scale(0.95);
  border: 2px dashed var(--accent-gold);
}

.book-card.drag-over {
  border-color: var(--accent-gold);
  transform: translateY(-8px) scale(1.04);
  box-shadow: 0 0 25px var(--accent-glow);
}

.drag-handle-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 4;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 6px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  cursor: grab;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.book-card:hover .drag-handle-badge {
  opacity: 1;
}

/* Область обложки книги (2:3 aspect ratio) */
.book-cover-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 2 / 3;
  overflow: hidden;
  background: #0d1017;
}

.book-cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease;
}

.book-card:hover .book-cover-img {
  transform: scale(1.04);
}

/* Эффект корешка книги (Spine highlight) */
.book-cover-wrap::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 14px;
  background: linear-gradient(to right, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.03) 30%, rgba(0, 0, 0, 0.5) 100%);
  pointer-events: none;
  z-index: 2;
}

/* Затемняющий градиент снизу обложки для контраста */
.book-cover-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.3) 0%, transparent 40%, rgba(0,0,0,0.85) 100%);
  pointer-events: none;
  z-index: 1;
}

/* БЕЙДЖ ПОТРАЧЕННОГО ВРЕМЕНИ */
.badge-time {
  position: absolute;
  bottom: 10px;
  right: 10px;
  z-index: 3;
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(245, 158, 11, 0.4);
  color: #fef3c7;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 12px;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.6);
}

.badge-time span.icon {
  color: var(--accent-gold);
}

/* БЕЙДЖ ОЦЕНКИ */
.badge-rating {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 3;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 6px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 3px;
}

.badge-rating .star {
  color: var(--accent-gold);
}

/* БЕЙДЖ ДАТЫ ПРОЧТЕНИЯ */
.badge-date {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 3;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 6px;
}

/* Нижняя панель описания книги под обложкой */
.book-info-block {
  padding: 12px 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.book-title {
  font-family: 'Outfit', sans-serif;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.book-author {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.book-meta-footer {
  margin-top: auto;
  padding-top: 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-muted);
}

.book-genre-tag {
  background: rgba(255, 255, 255, 0.05);
  padding: 2px 7px;
  border-radius: 4px;
  max-width: 110px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Псевдо-полка (Bookshelf view mode) */
.books-shelf-mode .books-grid {
  gap: 36px 20px;
}

.books-shelf-mode .book-card {
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.8);
}

.books-shelf-mode .book-card::after {
  content: '';
  position: absolute;
  bottom: -16px;
  left: -15px;
  right: -15px;
  height: 14px;
  background: linear-gradient(180deg, #2b1d14 0%, #150d08 100%);
  border-top: 2px solid #5a3e29;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.9);
  border-radius: 2px;
  z-index: -1;
}

/* ПУСТОЕ СОСТОЯНИЕ */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.empty-icon {
  font-size: 54px;
  opacity: 0.7;
}

.empty-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

.empty-desc {
  color: var(--text-secondary);
  max-width: 440px;
  font-size: 14px;
}

/* МОДАЛЬНЫЕ ОКНА (ЦЕНТРИРОВАННЫЕ, БЕЗ СМЕЩЕНИЯ ЗА ЭКРАН) */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(4, 6, 10, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  box-sizing: border-box;
  opacity: 0;
  visibility: hidden;
  overflow-y: auto;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  max-width: min(680px, 94vw);
  width: 100%;
  max-height: calc(100vh - 32px);
  overflow-y: auto;
  box-shadow: 0 25px 60px -10px rgba(0, 0, 0, 0.9);
  box-sizing: border-box;
  margin: auto;
  transform: scale(0.96);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: flex;
  flex-direction: column;
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  background: var(--bg-surface);
  z-index: 10;
}

.modal-title {
  font-family: 'Outfit', sans-serif;
  font-size: 19px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.modal-close-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 16px;
  transition: var(--transition);
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

.modal-body {
  padding: 20px 22px;
}

.modal-footer {
  padding: 14px 22px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  background: rgba(13, 16, 23, 0.5);
  flex-wrap: wrap;
}

/* Детали книги в модалке */
.book-details-layout {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 20px;
}

.detail-cover-box {
  width: 100%;
  aspect-ratio: 2 / 3;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.7);
  border: 1px solid var(--border-color);
  background: #0a0c10;
  position: relative;
}

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

.detail-info {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.detail-title {
  font-family: 'Outfit', sans-serif;
  font-size: 22px;
  font-weight: 800;
  line-height: 1.25;
}

.detail-author {
  font-size: 15px;
  font-weight: 600;
  color: var(--accent-gold);
}

.detail-stats-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 4px 0;
}

.detail-pill {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.detail-pill.highlight {
  background: rgba(245, 158, 11, 0.15);
  border-color: rgba(245, 158, 11, 0.35);
  color: #fef3c7;
  font-weight: 700;
}

.detail-review-box {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  white-space: pre-wrap;
  margin-top: 4px;
}

/* Формы и вкладки */
.tabs-nav {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}

.tab-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-gold);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.form-group {
  margin-bottom: 14px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 5px;
}

.form-input, .form-textarea {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 9px 12px;
  color: var(--text-primary);
  font-size: 13px;
  font-family: inherit;
  transition: var(--transition);
  box-sizing: border-box;
}

.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-textarea {
  resize: vertical;
  min-height: 75px;
}

/* Загрузка обложки drag-and-drop */
.cover-upload-area {
  border: 2px dashed rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 16px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  background: rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 120px;
}

.cover-upload-area:hover, .cover-upload-area.dragover {
  border-color: var(--accent-gold);
  background: rgba(245, 158, 11, 0.05);
}

.cover-preview-box {
  position: relative;
  display: inline-block;
  margin-top: 8px;
}

.cover-preview-img {
  width: 80px;
  height: 120px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--border-color);
}

.cover-preview-remove {
  position: absolute;
  top: -6px;
  right: -6px;
  background: var(--accent-rose);
  color: #fff;
  border: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
}

/* Результаты поиска по API */
.api-results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
  max-height: 360px;
  overflow-y: auto;
  margin-top: 14px;
  padding-right: 4px;
}

.api-book-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: left;
}

.api-book-card:hover {
  border-color: var(--accent-gold);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.api-book-thumb {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  border-radius: 6px;
  background: #0d1017;
}

.api-book-title {
  font-size: 13px;
  font-weight: 700;
  line-height: 1.2;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.api-book-author {
  font-size: 11px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Уведомления (Toasts) */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: calc(100vw - 40px);
}

.toast {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent-gold);
  color: var(--text-primary);
  padding: 10px 16px;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.7);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
  animation: toastSlideIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  max-width: 380px;
}

.toast.success {
  border-left-color: var(--accent-emerald);
}

.toast.error {
  border-left-color: var(--accent-rose);
}

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

/* ===================================================
   АДАПТИВНОСТЬ ДЛЯ ПЛАНШЕТОВ И МОБИЛЬНЫХ
   =================================================== */
@media (max-width: 1024px) {
  .header-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
  }
  .brand-group {
    order: 1;
  }
  .header-actions {
    order: 2;
    margin-left: auto;
    flex-shrink: 0;
  }
  .shelf-switcher-wrapper {
    order: 3;
    flex: 1 1 auto;
    max-width: 320px;
    min-width: 180px;
  }
  .search-wrapper {
    order: 4;
    flex: 2 1 240px;
    max-width: 100%;
    min-width: 180px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 14px;
  }
  .header {
    padding: 10px 0;
  }
  .header-content {
    gap: 10px;
  }
  .shelf-switcher-wrapper {
    order: 3;
    flex: 1 1 100%;
    max-width: 100%;
  }
  .search-wrapper {
    order: 4;
    flex: 1 1 100%;
    max-width: 100%;
  }
  .header-actions {
    gap: 6px;
  }
  .header-actions .btn {
    padding: 7px 10px;
    font-size: 12px;
  }
  .books-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 16px 12px;
  }
  .badge-time {
    font-size: 11px;
    padding: 2px 6px;
    bottom: 6px;
    right: 6px;
  }
  .book-info-block {
    padding: 8px 10px 10px;
  }
  .book-title {
    font-size: 13px;
  }
  .book-author {
    font-size: 11px;
  }
  .book-details-layout {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .detail-cover-box {
    max-width: 150px;
    margin: 0 auto;
  }
  .form-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .modal-overlay {
    padding: 10px;
    align-items: center;
    justify-content: center;
  }
  .modal-content {
    margin: auto;
    max-width: min(640px, calc(100vw - 20px));
    max-height: calc(100vh - 20px);
    border-radius: var(--radius-md);
  }
  .modal-header, .modal-body, .modal-footer {
    padding: 14px 16px;
  }
}

@media (max-width: 500px) {
  .brand-title {
    font-size: 16px;
  }
  .brand-icon {
    width: 32px;
    height: 32px;
    font-size: 16px;
  }
  .brand-subtitle {
    display: none;
  }
  .header-actions {
    gap: 5px;
  }
  .header-actions .btn {
    padding: 6px 8px;
    font-size: 12px;
  }
  #addBookBtn span:last-child {
    display: none;
  }
  #addBookBtn::after {
    content: 'Книга';
  }
  #authBtnText {
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    display: inline-block;
  }
}