/* Offline Library page and the small "you're offline" banner. */
.ol-banner { position: fixed; left: 50%; bottom: calc(12px + env(safe-area-inset-bottom)); transform: translateX(-50%); z-index: 5;
  display: flex; align-items: center; gap: 10px; max-width: calc(100vw - 24px); width: max-content;
  padding: 8px 8px 8px 14px; border-radius: 999px; background: var(--surface-2); color: var(--text);
  border: 1px solid var(--border); box-shadow: 0 4px 18px rgba(0,0,0,.28); font-size: .85rem; line-height: 1.3; }
@media (min-width: 600px) { .ol-banner { max-width: 560px; } }
.ol-banner a { color: var(--accent); text-decoration: underline; white-space: nowrap; }
.ol-banner button { background: none; border: 0; color: var(--muted); font-size: 1rem; min-width: 32px; min-height: 32px; border-radius: 50%; cursor: pointer; }
.ol-banner button:hover, .ol-banner button:focus-visible { color: var(--text); background: var(--surface); }
body.is-offline main { padding-bottom: 72px; }
@media print { .ol-banner { display: none; } }

.ol-state { display: grid; gap: 2px; margin: 16px 0 12px; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface); }
.ol-state strong { font-size: 1.05rem; }
.ol-state span { color: var(--muted); font-size: .9rem; }
.ol-state.ol-ok { background: var(--ok-bg); border-color: transparent; }
.ol-state.ol-ok strong, .ol-state.ol-ok span { color: var(--ok-text); }
.ol-state.ol-part { border-left: 3px solid var(--accent); }

.ol-progress { margin: 12px 0 4px; }
.ol-progress .dt-track { display: block; height: 12px; }
.ol-progress .dt-track span { transition: width .2s ease; }
#ol-download[disabled] { opacity: .7; cursor: progress; }
.ol-persist { color: var(--ok-text); background: var(--ok-bg); padding: 8px 12px; border-radius: 10px; }
#ol-persist-slot .kit { margin-top: 16px; }

.ol-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
.ol-item, .ol-online p { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border-radius: 12px; background: var(--surface); border: 1px solid var(--border); margin: 0; }
.ol-item:hover, .ol-item:focus-visible { border-color: var(--accent); }
.ol-item small, .ol-online small { display: block; color: var(--muted); font-size: .8rem; }
.ol-i { font-size: 1.2rem; line-height: 1.2; min-width: 1.4em; text-align: center; }
.ol-online { display: grid; gap: 8px; }
.btn.ol-clear { background: transparent; color: var(--danger); border: 1px solid var(--danger-border); }
@media (prefers-reduced-motion: reduce) { .ol-progress .dt-track span { transition: none; } }