/* Standalone stylesheet for the static viewer experiment. Palette and the
   overlay-box classes mirror the playground design tokens so the highlight
   language (plain navy / ok green / bad red, active ring) reads the same. */

:root {
  --navy: #1e4e78;
  --navy-700: #163b5c;
  --ink: #14202c;
  --slate: #3f4f5e;
  --muted: #7b8894;
  --paper: #ffffff;
  --paper-2: #f5f8fb;
  --paper-3: #eef2f7;
  --line: #e2e8ef;
  --line-2: #d3dce4;
  --gold-tint: #f6efe1;
  --gold-soft: #bf8b3a;
  --sheet-green: #2f8a63;
  --danger: #b3453c;
  --brand-wash: rgba(30, 78, 120, 0.16);
  --green-wash: rgba(47, 138, 99, 0.16);
  --danger-wash: rgba(179, 69, 60, 0.16);
  --brand-ring: rgba(30, 78, 120, 0.3);
  --green-ring: rgba(47, 138, 99, 0.3);
  --danger-ring: rgba(179, 69, 60, 0.3);
  --shadow: 0 2px 10px rgba(12, 32, 50, 0.12);
  --sans: "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", Menlo, monospace;
}

* { box-sizing: border-box; }
html, body, #root { height: 100%; margin: 0; }
@supports (height: 100dvh) {
  #root { height: 100dvh; } /* iOS Safari: track the collapsing URL bar */
}
body { font-family: var(--sans); color: var(--ink); background: var(--paper-3); }
button { font-family: var(--sans); }
.boot { padding: 40px; color: var(--muted); }

/* ---- library ---- */
.lib { max-width: 980px; margin: 0 auto; padding: 32px 24px 64px; }
.lib-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 8px; }
.lib-head h1 { font-size: 22px; margin: 0; color: var(--navy); }
.lib-head .count { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.lib-folder { margin: 22px 0 8px; font-size: 12px; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--muted); }
.lib-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 10px; }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: 8px;
  padding: 12px 14px; cursor: pointer; text-align: left; transition: border-color 0.12s ease; }
.card:hover { border-color: var(--navy); }
.card-title { font-size: 14px; font-weight: 600; margin-bottom: 4px; overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap; }
.card-meta { font-size: 12px; color: var(--muted); }

/* ---- viewer shell ---- */
.viewer { display: flex; flex-direction: column; height: 100%; }
.topbar { flex: none; display: flex; align-items: center; gap: 14px; height: 46px;
  padding: 0 16px; background: var(--paper); border-bottom: 1px solid var(--line); }
.topbar .back { border: 1px solid var(--line-2); background: var(--paper); border-radius: 999px;
  padding: 5px 12px; font-size: 12px; font-weight: 600; color: var(--slate); cursor: pointer; }
.topbar .doc-title { font-size: 13px; font-weight: 600; overflow: hidden; text-overflow: ellipsis;
  white-space: nowrap; }
.topbar .doc-label { font-family: var(--mono); font-size: 11px; color: var(--muted); flex: none; }
.main { flex: 1; display: flex; min-height: 0; }

/* ---- sidebar: the current page's linkable values ---- */
.side { flex: none; width: 300px; display: flex; flex-direction: column; background: var(--paper);
  border-right: 1px solid var(--line); overflow-y: auto; padding-bottom: 16px; }
.side-heading { padding: 14px 14px 8px; font-size: 11px; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--muted); }
.side-empty { padding: 4px 14px; font-size: 12px; color: var(--muted); }
.val-row { display: flex; align-items: center; gap: 6px; width: 100%; padding: 4px 8px 4px 14px;
  border: 0; background: transparent; cursor: pointer; text-align: left; }
.val-row:hover, .val-row.active { background: var(--paper-2); }
.val-row.active { box-shadow: inset 3px 0 0 var(--navy); }
.val-main { flex: 1; min-width: 0; font-size: 12px; color: var(--slate); overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap; }
.val-main .val-num { font-family: var(--mono); color: var(--ink); font-weight: 600; }
.val-copy { flex: none; border: 0; background: transparent; cursor: pointer; color: var(--muted);
  font-size: 12px; padding: 2px 4px; border-radius: 4px; }
.val-copy:hover { color: var(--navy); background: var(--paper-2); }
.val-copy.copied { color: var(--sheet-green); }
.val-row .dot { flex: none; width: 7px; height: 7px; border-radius: 50%; }
.dot-ok { background: var(--sheet-green); }
.dot-bad { background: var(--danger); }
.dot-plain { background: var(--navy); }

/* ---- document pane ---- */
.dp { flex: 1; min-width: 0; display: flex; flex-direction: column; background: var(--paper-3); }
.dp-toolbar { flex: none; display: flex; align-items: center; gap: 14px; padding: 0 16px;
  height: 42px; border-bottom: 1px solid var(--line); background: var(--paper); }
.dp-nav { display: flex; align-items: center; gap: 6px; }
.dp-nav-btn { width: 24px; height: 24px; border: 1px solid var(--line-2); background: var(--paper);
  border-radius: 999px; cursor: pointer; color: var(--ink); display: grid; place-items: center; }
.dp-nav-btn:disabled { opacity: 0.4; cursor: default; }
.dp-page-input { width: 40px; text-align: center; font-family: var(--mono); font-size: 12px;
  border: 1px solid var(--line-2); border-radius: 6px; padding: 3px 2px; color: var(--ink); }
.dp-page-count { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.dp-zoom { display: flex; align-items: center; gap: 1px; border: 1px solid var(--line-2);
  border-radius: 999px; padding: 2px; background: var(--paper); }
.dp-zoom-btn { width: 22px; height: 22px; border: 0; background: transparent; border-radius: 999px;
  cursor: pointer; color: var(--slate); display: grid; place-items: center; }
.dp-zoom-label { font-family: var(--mono); font-size: 11px; color: var(--slate); min-width: 38px;
  text-align: center; }
.dp-fit { font-size: 12px; font-weight: 600; border-radius: 999px; padding: 5px 12px;
  cursor: pointer; border: 1px solid var(--line-2); background: var(--paper); color: var(--slate); }
.dp-fit-on { border-color: transparent; background: var(--navy); color: #fff; }
.dp-copy { margin-left: auto; font-size: 12px; font-weight: 600; border-radius: 999px;
  padding: 5px 12px; cursor: pointer; border: 1px solid var(--line-2); background: var(--paper);
  color: var(--slate); }
.dp-copy.copied { border-color: transparent; background: var(--sheet-green); color: #fff; }
.dp-viewport { flex: 1; overflow: auto; padding: 24px; }
.dp-stage { position: relative; box-shadow: var(--shadow); border-radius: 6px;
  background: var(--paper); overflow: hidden; margin: 0 auto; }
.dp-canvas { display: block; }
.dp-loading { padding: 48px 64px; font-size: 13px; color: var(--muted); }
.dp-overlays { position: absolute; inset: 0; pointer-events: none; }
.dp-box { position: absolute; border-radius: 3px; opacity: 0.45; z-index: 1; }
.dp-box-plain { border: 2px solid var(--navy); background: var(--brand-wash); }
.dp-box-ok { border: 2px solid var(--sheet-green); background: var(--green-wash); }
.dp-box-bad { border: 2px solid var(--danger); background: var(--danger-wash); }
.dp-box-active { opacity: 1; z-index: 2; }
.dp-box-plain.dp-box-active { box-shadow: 0 0 0 3px var(--brand-ring), var(--shadow); }
.dp-box-ok.dp-box-active { box-shadow: 0 0 0 3px var(--green-ring), var(--shadow); }
.dp-box-bad.dp-box-active { box-shadow: 0 0 0 3px var(--danger-ring), var(--shadow); }

/* ---- error banner ---- */
.banner { flex: none; padding: 8px 16px; font-size: 12.5px; background: var(--danger-wash);
  color: var(--danger); border-bottom: 1px solid var(--danger); }

/* ---- small screens: the values pane becomes a drawer ---- */
.dp-values-btn { display: none; font-size: 12px; font-weight: 600; border-radius: 999px;
  padding: 5px 12px; cursor: pointer; border: 1px solid var(--line-2); background: var(--paper);
  color: var(--slate); white-space: nowrap; }
.side-backdrop { display: none; }

@media (max-width: 800px) {
  .main { position: relative; }
  .side { position: absolute; top: 0; bottom: 0; left: 0; width: min(84vw, 320px); z-index: 20;
    transform: translateX(-105%); transition: transform 0.2s ease;
    box-shadow: 0 0 24px rgba(12, 32, 50, 0.25); }
  .side.open { transform: none; }
  .side-backdrop.show { display: block; position: absolute; inset: 0; z-index: 15;
    background: rgba(12, 32, 50, 0.35); }
  .dp-values-btn { display: inline-block; }
  .topbar { gap: 8px; padding: 0 10px; }
  .dp-toolbar { gap: 8px; padding: 0 10px; overflow-x: auto; }
  .dp-viewport { padding: 10px; }
  .lib { padding: 20px 14px 48px; }
}

@media (max-width: 520px) {
  .dp-zoom, .dp-fit, .doc-label { display: none; } /* fit width is the mode; pinch does the rest */
}

@media (pointer: coarse) {
  .dp-nav-btn, .dp-zoom-btn { width: 32px; height: 32px; }
  /* 16px font: below that iOS Safari zooms the whole page on focus */
  .dp-page-input { padding: 6px 2px; width: 54px; font-size: 16px; }
  .topbar { height: 52px; }
  .topbar .back, .dp-fit, .dp-copy, .dp-values-btn { padding: 8px 14px; }
  .dp-toolbar { height: 50px; }
  .val-row { padding: 9px 8px 9px 14px; }
  .val-copy { font-size: 15px; padding: 4px 8px; }
}