/* ============================================
   📘 Book Form (Add/Edit) - Telegram-style View
   Targets: #add-book-view and .tg-* classes
   ============================================ */

#add-book-view {
  /* Модальне вікно */
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg-secondary);
  z-index: 1000;
  overflow-y: auto;
  padding: 0;
}

/* Обмежуємо контент форми, щоб не розтягувалось на desktop */
#add-book-view .tg-book-card {
  max-width: 640px;
  margin: 0 auto;
}

/* ---------- Top bar ---------- */
.tg-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-md);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
  position: sticky;
  top: 0;               /* у межах scroll */
  z-index: 50;
}

/* якщо у тебе є темна тема через .dark-theme або [data-theme="dark"] */
.dark-theme .tg-top-bar,
[data-theme="dark"] .tg-top-bar {
  background: var(--color-bg-secondary);
}

.tg-back-btn,
.tg-close-btn {
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
  user-select: none;
}

.tg-back-btn:hover,
.tg-close-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.tg-back-btn:active,
.tg-close-btn:active {
  transform: translateY(0);
}

.tg-title {
  flex: 1;
  min-width: 0;
  text-align: center;
  font-weight: 700;
  color: var(--color-text-primary);
  font-size: 0.95rem;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tg-title #tg-username {
  color: var(--color-text-tertiary);
  font-weight: 600;
  margin-left: 6px;
}

/* ---------- Page title ---------- */
.tg-page-title {
  max-width: 640px;
  margin: var(--space-lg) auto var(--space-sm);
  padding: 0 var(--space-md);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-text-primary);
}

/* ---------- Card ---------- */
.tg-book-card.rounded-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  padding: var(--space-md);
}

/* ---------- Form layout ---------- */
.tg-book-form-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: var(--space-md);
  align-items: start;
}

/* Cover column */
.tg-book-cover-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.tg-book-cover-img {
  width: 140px;
  height: 190px;
  border-radius: var(--radius-md);
  object-fit: cover;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

/* Change cover button (secondary) */
.tg-change-cover-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px dashed var(--color-border-light);
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  cursor: pointer;
  font-weight: 600;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  text-align: center;
  user-select: none;
}

.tg-change-cover-btn:hover {
  opacity: 0.95;
  transform: translateY(-1px);
}

.tg-change-cover-btn:active {
  transform: translateY(0);
}

.tg-camera-icon {
  font-size: 1rem;
}

/* Fields column */
.tg-book-fields-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/* Якщо твої form-* класи не мають нормального вигляду — додамо легкий дефолт */
#add-book-view .form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

#add-book-view .form-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  font-weight: 700;
}

#add-book-view .form-input,
#add-book-view .form-textarea,
#add-book-view select.form-input,
#add-book-view select.form-select {
  width: 100%;
  padding: 12px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

/* Compact inputs for title and author - no labels, only placeholders */
.form-group-compact {
  margin-bottom: 8px;
}

.form-group-compact .form-label {
  display: none;
}

.form-input-compact {
  padding: 8px 12px !important;
  font-size: 0.9rem;
}

/* Google Books Section */
.google-books-section {
  margin: 12px 0;
}

.btn-google-search {
  width: 100%;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.btn-google-search:hover:not(:disabled) {
  background: var(--color-bg-secondary);
  transform: translateY(-1px);
}

.btn-google-search:active:not(:disabled) {
  transform: translateY(0);
}

.btn-google-search:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  color: var(--color-text-tertiary);
}

.btn-google-search-main {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
}

.btn-google-search.loading {
  position: relative;
  color: transparent;
}

.btn-google-search.loading::after {
  content: "⏳";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.2rem;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.google-attribution {
  font-size: 0.65rem;
  color: var(--color-text-tertiary);
  font-weight: 400;
  margin-top: 2px;
}

/* Google Books Modal */
#google-books-modal .modal-content {
  max-width: 500px;
}

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

#google-books-modal .modal-header h3 {
  margin: 0;
  font-size: 1.1rem;
  color: var(--color-text-primary);
}

#google-books-modal .modal-body {
  padding: var(--space-md);
}

.google-book-preview {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.google-book-cover {
  width: 100px;
  height: 140px;
  object-fit: cover;
  border-radius: var(--radius-md);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
}

.google-book-info {
  flex: 1;
}

.google-book-info h4 {
  margin: 0 0 8px 0;
  font-size: 1rem;
  color: var(--color-text-primary);
}

.google-book-info p {
  margin: 4px 0;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.google-book-description {
  margin-top: var(--space-sm);
  padding: var(--space-sm);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  max-height: 150px;
  overflow-y: auto;
}

.google-modal-actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.google-modal-actions button {
  flex: 1;
  padding: 10px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  cursor: pointer;
  font-weight: 600;
  transition: opacity var(--transition-fast);
}

.google-modal-actions button:hover {
  opacity: 0.9;
}

.btn-replace {
  background: var(--color-success);
  color: white;
  border-color: var(--color-success);
}

.btn-keep {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
}

.btn-cancel {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
}

/* Google Books Selection List */
.google-selection-header {
  padding: var(--space-sm);
  margin-bottom: var(--space-sm);
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.google-books-list {
  max-height: 400px;
  overflow-y: auto;
  margin-bottom: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.google-book-item {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.google-book-item:hover {
  background: var(--color-bg-tertiary);
}

.google-book-item:last-child {
  border-bottom: none;
}

.google-book-item.best-match {
  background: rgba(99, 102, 241, 0.05);
}

.google-book-thumbnail {
  width: 60px;
  height: 85px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.google-book-no-cover {
  width: 60px;
  height: 85px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
  font-size: 2rem;
  flex-shrink: 0;
}

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

.google-book-details h5 {
  margin: 0 0 4px 0;
  font-size: 0.95rem;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.badge-best {
  background: var(--color-success);
  color: white;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  font-weight: 600;
}

.book-author {
  margin: 2px 0;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  font-weight: 600;
}

.book-meta {
  margin: 2px 0;
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
}

.book-description {
  margin: 4px 0 0 0;
  font-size: 0.8rem;
  color: var(--color-text-tertiary);
  line-height: 1.3;
}

#add-book-view .form-textarea {
  resize: vertical;
  min-height: 96px;
}

#add-book-view .form-input:focus,
#add-book-view .form-textarea:focus,
#add-book-view select:focus {
  border-color: rgba(99, 102, 241, 0.65); /* близько до primary у dark/light */
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.18);
}

/* ---------- Actions row ---------- */
.tg-book-actions-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

/* Якщо твої .btn класи вже є — ці правила не завадять; якщо нема — дають мінімум */
#add-book-view .tg-action-btn {
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

#add-book-view .tg-action-btn:hover {
  opacity: 0.95;
  transform: translateY(-1px);
}

#add-book-view .tg-action-btn:active {
  transform: translateY(0);
}

/* Мапимо на змінні теми */
#add-book-view .btn-danger.tg-action-btn {
  background: var(--color-danger);
  color: #fff;
}

#add-book-view .btn-success.tg-action-btn {
  background: var(--color-success);
  color: #06281b;
}

/* ---------- Mobile refinements ---------- */
@media (max-width: 520px) {
  .tg-page-title {
    margin-top: var(--space-md);
    font-size: 1.125rem;
  }

  .tg-book-form-row {
    grid-template-columns: 1fr;
  }

  .tg-book-cover-img {
    width: 100%;
    height: 220px;
  }

  .tg-book-actions-row {
    grid-template-columns: 1fr;
  }

  .tg-back-btn,
  .tg-close-btn {
    width: 38px;
    height: 38px;
  }
}