/* Small, always-reachable controls supplement the full section navigation. */
.app-has-navigation { padding-bottom: calc(var(--app-navigation-height, 108px) + 16px); }
.app-navigation { position: fixed; z-index: 20; bottom: 0; left: 0; right: 0; padding: 8px max(12px, env(safe-area-inset-right, 0px)) calc(8px + env(safe-area-inset-bottom, 0px)) max(12px, env(safe-area-inset-left, 0px)); border-top: 2px solid var(--line); background: var(--paper); box-shadow: 0 -4px 18px rgb(23 20 16 / 10%); }
.app-navigation-controls { display: flex; justify-content: center; gap: 8px; max-width: 720px; margin: 0 auto; }
.app-navigation-control { display: inline-flex; flex: 1 1 0; min-width: 0; min-height: 52px; max-width: 200px; align-items: center; justify-content: center; gap: 8px; padding: 8px 12px; border: 2px solid var(--accent); border-radius: 4px; background: var(--input-paper); color: var(--accent); font-size: 1rem; font-weight: 650; line-height: 1.25; text-align: center; text-decoration: none; overflow-wrap: normal; }
.app-navigation-control:hover { background: #eee7da; }
.app-navigation-control svg { width: 20px; height: 20px; flex: 0 0 auto; }
.app-navigation-control span { min-width: 0; }
.app-navigation-control[aria-current="page"] { background: var(--accent); color: #fff; }
.app-navigation-dialog { width: min(520px, calc(100vw - 32px)); max-height: calc(100dvh - 32px); padding: 24px; border: 2px solid var(--line); border-radius: 6px; background: var(--input-paper); color: var(--ink); overflow: auto; }
.app-navigation-dialog::backdrop { background: rgb(15 13 10 / 70%); }
.app-navigation-dialog h2 { font-family: Georgia, "Times New Roman", serif; font-size: 2rem; font-weight: 400; line-height: 1.2; margin: 0; }
.app-navigation-dialog-header { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
.app-navigation-dialog p { margin: 16px 0; }
.app-navigation-close, .app-navigation-stay, .app-navigation-proceed { min-height: 48px; padding: 10px 16px; border: 2px solid var(--accent); border-radius: 4px; background: var(--paper); color: var(--accent); font-size: 1rem; font-weight: 650; line-height: 1.5; }
.app-navigation-proceed { background: var(--accent); color: #fff; }
.app-navigation-pages { display: grid; gap: 8px; }
.app-navigation-pages a { display: flex; align-items: center; min-height: 48px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 3px; font-weight: 600; text-decoration-thickness: 2px; text-underline-offset: 4px; }
.app-navigation-pages a[aria-current="page"] { background: #e4edda; color: #243617; }
.app-navigation-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 12px; margin-top: 22px; }
.app-external-note { padding: 12px 16px; border-left: 3px solid var(--line); background: var(--input-paper); color: var(--ink); font-size: 1rem; line-height: 1.6; }
@media (max-width: 520px) {
  .app-navigation-controls { gap: 6px; }
  .app-navigation-control { flex-direction: column; gap: 4px; min-height: 72px; padding: 6px 5px; }
  .app-navigation-control svg { width: 18px; height: 18px; }
  .app-navigation-dialog { padding: 20px; }
  .app-navigation-dialog h2 { font-size: 1.75rem; }
}
@media print { .app-navigation, .app-navigation-dialog { display: none; } .app-has-navigation { padding-bottom: 0; } }