/* settings.css - full-page/slide-in settings overlay. Part of the split-up style.css; see index.html for load order. */
  /* ── SETTINGS PAGE (full-page overlay) ── */
  .settings-page {
    position: fixed;
    inset: 0;
    z-index: 1500;
    display: flex;
    flex-direction: column;
    background: var(--arc-void);
    transform: translateX(-100%);
    transition: transform 0.28s ease, visibility 0s linear 0.28s;
    visibility: hidden;
    box-shadow: 16px 0 40px rgba(0,0,0,0.5);
  }
  .settings-page.active {
    transform: translateX(0);
    visibility: visible;
    transition: transform 0.28s ease;
  }
  .settings-page-head {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 48px;   /* match .history-bar so the header dividers line up */
    padding: 0 1.4rem;
    border-bottom: 1px solid var(--arc-rule);
    background: linear-gradient(180deg, var(--arc-ink-soft), var(--arc-ink));
  }
  .settings-page-title {
    font-family: var(--arc-display);
    font-size: 1rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--arc-gold);
  }
  .settings-back-btn {
    background: rgba(216,178,102,0.12);
    border: 1px solid var(--arc-gold-deep);
    border-radius: var(--arc-r-control);
    color: var(--arc-gold-hi);
    font-family: var(--arc-display);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 0.5rem 1rem;
    cursor: pointer;
    white-space: nowrap;
  }
  .settings-back-btn:hover { background: rgba(216,178,102,0.2); border-color: var(--arc-gold); color: var(--arc-gold-hi); }

  /* Single scrolling page of collapsible sections (the 4-group sub-nav was retired).
     Full-width so the scrollbar sits at the panel's right edge, not inset. */
  .settings-page-body {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    width: 100%;
    padding: 1.8rem 2.2rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }

  /* Footer pins the Back-to-editor button bottom-left, lined up over the rail's
     Settings button (0.85rem bottom inset matches .left-rail's padding-bottom). */
  .settings-page-foot {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    padding: 0.85rem 0.8rem;
    border-top: 1px solid var(--arc-rule-soft);
  }

  /* Storage group: IndexedDB callout + usage indicator */
  .storage-callout {
    display: flex;
    gap: 0.8rem;
    align-items: flex-start;
    padding: 0.8rem 1rem;
    margin-bottom: 0.9rem;
    background: rgba(216,178,102,0.07);
    border: 1px solid var(--arc-gold-deep);
    border-radius: var(--arc-r-control);
  }
  .storage-callout-icon { flex-shrink: 0; color: var(--arc-gold); font-size: 1.1rem; line-height: 1.3; }
  .storage-callout-title {
    font-family: var(--arc-display);
    font-size: 0.7rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--arc-gold-hi);
    margin-bottom: 3px;
  }
  .storage-callout-text { font-family: var(--arc-serif); font-size: medium; line-height: 1.5; color: var(--arc-parchment); }
  .storage-used { display: flex; flex-direction: column; gap: 0.4rem; }
  .storage-used-line { display: flex; align-items: center; justify-content: space-between; gap: 0.6rem; }
  #storageUsedLabel { font-family: var(--arc-serif); font-size: medium; color: var(--arc-cream); }
  .storage-backend {
    font-family: var(--arc-mono);
    font-size: 0.62rem;
    letter-spacing: 0.08em;
    color: var(--arc-good);
    padding: 2px 8px;
    border-radius: 99px;
    border: 1px solid var(--arc-rule);
    white-space: nowrap;
  }
  .storage-bar { height: 5px; background: var(--arc-hairline); border-radius: 99px; overflow: hidden; }
  .storage-bar-fill { height: 100%; width: 0; background: var(--arc-gold); border-radius: 99px; transition: width 0.3s ease; }
  .storage-used-note { text-align: right; margin-top: 0; }

  /* Settings: tighten padding on mobile */
  @media (max-width: 640px) {
    .settings-page-body { padding: 1.2rem 1.1rem 1.6rem; }
    .settings-page-foot { padding: 0.7rem 1.1rem; }
  }

  /* Confirm modal */
  .confirm-modal {
    position: fixed;
    inset: 0;
    background: rgba(10,5,2,0.88);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
  }
  .confirm-modal.active { display: flex; }
  .confirm-modal-box {
    background: rgba(26,15,7,0.98);
    border: 1px solid rgba(180,130,60,0.35);
    border-radius: 8px;
    padding: 1.5rem 1.75rem;
    max-width: 380px;
    width: 90%;
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }
  .confirm-modal-title {
    font-family: 'Cinzel', serif;
    font-size: medium;
    font-weight: 700;
    color: var(--gold-light);
    letter-spacing: 0.06em;
  }
  .confirm-modal-msg {
    font-family: 'Crimson Pro', serif;
    font-size: medium;
    font-weight: 500;
    color: #c9a96e;
    line-height: 1.5;
  }
  .confirm-modal-btns {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
    flex-wrap: wrap;
  }
  .confirm-modal-btns .btn {
    font-size: medium;
    padding: 0.4rem 0.85rem;
  }
  .confirm-modal-btns .btn-cancel {
    background: transparent;
    border: 1px solid rgba(180,130,60,0.3);
    color: rgba(210,160,70,0.7);
    border-radius: 4px;
    font-family: 'Cinzel', serif;
    font-size: medium;
    font-weight: 600;
    letter-spacing: 0.08em;
    padding: 0.4rem 0.85rem;
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s;
  }
  .confirm-modal-btns .btn-cancel:hover { border-color: rgba(180,130,60,0.6); color: var(--gold-light); }