/* ═══════════════════════════════════════════════════════════════════════
   Tabla I/O — AI Book Import "What's New" Announcement Sheet
   Apple Human Interface Guidelines (HIG) Sheet Modal
   ═══════════════════════════════════════════════════════════════════════ */

.book-import-announcement-overlay {
  position: fixed;
  inset: 0;
  z-index: 10050;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

.book-import-announcement-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.book-import-announcement-card {
  position: relative;
  width: 100%;
  max-width: 480px;
  background: var(--bg-elevated, #161616);
  color: var(--text-primary, #f0f0f0);
  border: 1px solid var(--border-strong, rgba(255, 255, 255, 0.14));
  border-radius: 22px;
  padding: 28px 26px 22px 26px;
  box-shadow: 0 32px 64px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.05);
  transform: scale(0.95) translateY(10px);
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}

.book-import-announcement-overlay.active .book-import-announcement-card {
  transform: scale(1) translateY(0);
}

/* Cream & Light Theme Adaptation */
html.cream .book-import-announcement-card,
[data-theme="cream"] .book-import-announcement-card,
html.light .book-import-announcement-card,
[data-theme="light"] .book-import-announcement-card {
  background: var(--bg-primary, #faf8f4);
  color: var(--text-primary, #1e1b18);
  border: 1px solid var(--border-strong, rgba(0, 0, 0, 0.12));
  box-shadow: 0 32px 64px rgba(0, 0, 0, 0.22), 0 0 0 1px rgba(0, 0, 0, 0.04);
}

.announcement-close-btn {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 32px;
  height: 32px;
  border-radius: 0;
  border: none !important;
  background: transparent !important;
  box-shadow: none !important;
  color: var(--text-secondary, #888888);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.18s, transform 0.18s;
}

.announcement-close-btn:hover {
  background: transparent !important;
  color: var(--text-primary, #ffffff);
  transform: scale(1.1);
}

html.cream .announcement-close-btn,
[data-theme="cream"] .announcement-close-btn,
html.light .announcement-close-btn,
[data-theme="light"] .announcement-close-btn {
  background: transparent !important;
  color: var(--text-secondary, #666666);
}

html.cream .announcement-close-btn:hover,
[data-theme="cream"] .announcement-close-btn:hover,
html.light .announcement-close-btn:hover,
[data-theme="light"] .announcement-close-btn:hover {
  background: transparent !important;
  color: var(--text-primary, #111111);
}

.announcement-badge {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-primary, #ea6500);
  background: rgba(234, 101, 0, 0.12);
  border: 1px solid rgba(234, 101, 0, 0.24);
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.announcement-badge svg {
  width: 12px;
  height: 12px;
  stroke: currentColor;
  flex-shrink: 0;
}

.announcement-title {
  margin: 0 0 4px 0;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary, #f0f0f0);
  line-height: 1.25;
}

html.cream .announcement-title,
[data-theme="cream"] .announcement-title,
html.light .announcement-title,
[data-theme="light"] .announcement-title {
  color: var(--text-primary, #1e1b18);
}

.announcement-subtitle {
  margin: 0 0 20px 0;
  font-size: 0.88rem;
  color: var(--text-secondary, #94a3b8);
  line-height: 1.45;
}

html.cream .announcement-subtitle,
[data-theme="cream"] .announcement-subtitle,
html.light .announcement-subtitle,
[data-theme="light"] .announcement-subtitle {
  color: var(--text-secondary, #666666);
}

.announcement-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 22px;
}

.announcement-feature-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.announcement-feature-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(234, 101, 0, 0.12);
  border: 1px solid rgba(234, 101, 0, 0.2);
  color: var(--accent-primary, #ea6500);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

.announcement-feature-icon svg {
  width: 19px;
  height: 19px;
  stroke: currentColor;
  flex-shrink: 0;
}

.announcement-feature-text strong {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary, #f0f0f0);
  margin-bottom: 2px;
}

html.cream .announcement-feature-text strong,
[data-theme="cream"] .announcement-feature-text strong,
html.light .announcement-feature-text strong,
[data-theme="light"] .announcement-feature-text strong {
  color: var(--text-primary, #1e1b18);
}

.announcement-feature-text p {
  margin: 0;
  font-size: 0.80rem;
  color: var(--text-secondary, #888888);
  line-height: 1.4;
}

html.cream .announcement-feature-text p,
[data-theme="cream"] .announcement-feature-text p,
html.light .announcement-feature-text p,
[data-theme="light"] .announcement-feature-text p {
  color: var(--text-secondary, #666666);
}

.announcement-footer {
  border-top: 1px solid var(--border-color, rgba(255, 255, 255, 0.08));
  padding-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

html.cream .announcement-footer,
[data-theme="cream"] .announcement-footer,
html.light .announcement-footer,
[data-theme="light"] .announcement-footer {
  border-top-color: rgba(0, 0, 0, 0.08);
}

.announcement-checkbox-row {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-secondary, #888888);
  cursor: pointer;
  user-select: none;
}

html.cream .announcement-checkbox-row,
[data-theme="cream"] .announcement-checkbox-row,
html.light .announcement-checkbox-row,
[data-theme="light"] .announcement-checkbox-row {
  color: var(--text-secondary, #666666);
}

.announcement-checkbox-row input[type="checkbox"] {
  width: 15px;
  height: 15px;
  border-radius: 4px;
  accent-color: var(--accent-primary, #ea6500);
  cursor: pointer;
}

.announcement-actions {
  display: flex;
  gap: 10px;
}

.announcement-btn-dismiss {
  flex: 1;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--border-strong, rgba(255, 255, 255, 0.14));
  background: transparent;
  color: var(--text-secondary, #888888);
  font-size: 0.86rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.18s, color 0.18s;
}

.announcement-btn-dismiss:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary, #ffffff);
}

html.cream .announcement-btn-dismiss,
[data-theme="cream"] .announcement-btn-dismiss,
html.light .announcement-btn-dismiss,
[data-theme="light"] .announcement-btn-dismiss {
  border-color: rgba(0, 0, 0, 0.15);
  color: var(--text-secondary, #555555);
}

html.cream .announcement-btn-dismiss:hover,
[data-theme="cream"] .announcement-btn-dismiss:hover,
html.light .announcement-btn-dismiss:hover,
[data-theme="light"] .announcement-btn-dismiss:hover {
  background: rgba(0, 0, 0, 0.05);
  color: var(--text-primary, #111111);
}

.announcement-btn-cta {
  flex: 1.5;
  padding: 10px 16px;
  border-radius: 10px;
  border: none;
  background: var(--accent-primary, #ea6500);
  color: #ffffff;
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  box-shadow: 0 4px 14px rgba(234, 101, 0, 0.35);
  transition: transform 0.18s, box-shadow 0.18s, opacity 0.18s;
}

.announcement-btn-cta svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  flex-shrink: 0;
}

.announcement-btn-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(234, 101, 0, 0.45);
}

.announcement-btn-cta:active {
  transform: translateY(0);
}

@media (max-width: 480px) {
  .book-import-announcement-card {
    padding: 24px 18px 18px 18px;
    border-radius: 18px;
  }
  .announcement-title {
    font-size: 1.25rem;
  }
  .announcement-actions {
    flex-direction: column-reverse;
  }
  .announcement-btn-cta,
  .announcement-btn-dismiss {
    width: 100%;
  }
}