/* What's new sheet, Android update banner, Settings → App updates */

.app-sheet-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 9000;
}

.app-sheet {
  background: var(--card-bg, #fff);
  color: var(--text-primary, #111827);
  width: 100%;
  max-width: 520px;
  max-height: 85vh;
  overflow-y: auto;
  border-radius: 16px 16px 0 0;
  padding: 20px 20px calc(20px + env(safe-area-inset-bottom, 0px));
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.2);
}

@media (min-width: 600px) {
  .app-sheet-backdrop { align-items: center; }
  .app-sheet { border-radius: 16px; }
}

.app-sheet-title {
  margin: 0 0 12px;
  font-size: 1.15rem;
}

.app-sheet-lang-toggle {
  display: inline-flex;
  border: 1px solid var(--border-color, #d1d5db);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
  margin-bottom: 12px;
  background: var(--bg-secondary, #f3f4f6);
}

.app-sheet-lang-btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--text-secondary, #4b5563);
  font: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  min-height: 36px;
  min-width: 84px;
  padding: 6px 16px;
  border-radius: 999px;
  cursor: pointer;
}

.app-sheet-lang-btn[aria-pressed="true"] {
  background: var(--primary-color, #2563eb);
  color: #fff;
}

.app-sheet-lang-btn:focus-visible {
  outline: 2px solid var(--primary-color, #2563eb);
  outline-offset: 2px;
}

.app-sheet-version {
  color: var(--text-secondary, #6b7280);
  font-size: 0.85rem;
  margin: -8px 0 8px;
}

.app-sheet-fallback {
  margin: 4px 0 0;
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 0.85rem;
  background: #fef3c7;
  color: #92400e;
}

.app-sheet-notes {
  margin: 6px 0 10px;
  padding-left: 20px;
  line-height: 1.5;
}

.app-sheet-close {
  width: 100%;
  margin-top: 8px;
}

.app-update-banner {
  position: fixed;
  left: 8px;
  right: 8px;
  bottom: calc(8px + env(safe-area-inset-bottom, 0px));
  z-index: 8999;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--dark-color, #1f2937);
  color: #fff;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  font-size: 0.9rem;
}

.app-update-text {
  display: flex;
  flex-direction: column;
  flex: 1 1 180px;
}

.app-update-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.app-update-download {
  background: var(--success-color, #10b981);
  color: #fff;
  border: 0;
  border-radius: 8px;
  padding: 8px 12px;
  font-weight: 600;
}

.app-update-howto {
  color: #c7d2fe;
  font-size: 0.85rem;
}

.app-update-close {
  background: transparent;
  color: #fff;
  border: 0;
  font-size: 1.1rem;
  padding: 4px 8px;
}

.app-updates-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 8px 0;
}

body.dark-mode .app-sheet {
  background: #1f2937;
  color: #f3f4f6;
}

body.dark-mode .app-sheet-lang-toggle {
  background: #111827;
  border-color: #374151;
}

body.dark-mode .app-sheet-lang-btn:not([aria-pressed="true"]) {
  color: #d1d5db;
}

body.dark-mode .app-sheet-fallback {
  background: #78350f;
  color: #fef3c7;
}