:root {
  --bg: #f7f7f5;
  --panel: #ffffff;
  --text: #1d1d1b;
  --muted: #6b6b66;
  --border: #dcdcd6;
  --accent: #2f5d8a;
  --accent-text: #ffffff;
  --ok: #2e7d32;
  --warn: #b7791f;
  --danger: #c0392b;
  --ok-bg: #e8f3e8;
  --warn-bg: #fdf3e1;
  --danger-bg: #fbe9e7;
  --code-bg: #f1f1ed;
  --mono: ui-monospace, "Cascadia Code", Consolas, "SF Mono", Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b1c1e;
    --panel: #242528;
    --text: #e6e6e3;
    --muted: #9a9a95;
    --border: #3a3b3f;
    --accent: #6d9fd1;
    --accent-text: #111;
    --ok: #6cbf70;
    --warn: #e0a84a;
    --danger: #e57366;
    --ok-bg: #213024;
    --warn-bg: #332a1a;
    --danger-bg: #3a2220;
    --code-bg: #2c2d31;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--accent); }
code { font-family: var(--mono); font-size: 0.9em; background: var(--code-bg); padding: 0 3px; border-radius: 3px; }
h1 { font-size: 1.5rem; margin: 0.2em 0; }
h2 { font-size: 1.2rem; margin: 1.4em 0 0.5em; }
h3 { font-size: 1.05rem; margin: 0.8em 0 0.4em; }

/* --- Layout -------------------------------------------------------------- */

.topbar {
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
  padding: 10px 24px; background: var(--panel); border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; text-decoration: none; color: var(--text); }
.topbar nav { display: flex; gap: 4px; flex-wrap: wrap; }
.topbar nav a { padding: 6px 12px; border-radius: 6px; text-decoration: none; color: var(--text); }
.topbar nav a:hover { background: var(--code-bg); }
.topbar nav a.active { background: var(--accent); color: var(--accent-text); }

.account { margin-left: auto; display: flex; gap: 12px; align-items: center; font-size: 0.9rem; }
.account a { color: var(--text); text-decoration: none; padding: 4px 8px; border-radius: 6px; }
.account a.active, .account a:hover { background: var(--code-bg); }
.card.auth-box { max-width: 400px; margin: 48px auto; }

main { max-width: 1280px; margin: 0 auto; padding: 16px 24px 64px; }

.page-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: 8px 0; }
.stack { display: flex; flex-direction: column; gap: 12px; }
.narrow { max-width: 720px; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 12px 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px 16px; }
.side-by-side { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 800px) { .side-by-side { grid-template-columns: 1fr; } }

.card { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 12px 16px; margin: 12px 0; }
.card h2:first-child, .card h3:first-child { margin-top: 0.2em; }

/* --- Forms --------------------------------------------------------------- */

label { display: flex; flex-direction: column; gap: 4px; font-weight: 600; font-size: 0.9rem; }
label.check { flex-direction: row; align-items: baseline; gap: 8px; font-weight: normal; font-size: 1rem; }
input, select, textarea {
  font: inherit; font-weight: normal; color: var(--text); background: var(--panel);
  border: 1px solid var(--border); border-radius: 6px; padding: 6px 8px;
}
input[type="checkbox"] { width: auto; }
textarea { width: 100%; resize: vertical; }
textarea.code, pre.code, .preview { font-family: var(--mono); font-size: 13px; line-height: 1.45; tab-size: 4; }
fieldset { border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px; }
legend { font-weight: 600; padding: 0 4px; }

button, .button {
  display: inline-block; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none;
  padding: 7px 14px; border-radius: 6px; border: 1px solid var(--accent);
  background: var(--accent); color: var(--accent-text);
}
button.secondary, .button.secondary { background: transparent; color: var(--accent); }
button.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
button.link { background: none; border: none; padding: 0; font-weight: normal; color: var(--accent); text-decoration: underline; }
button.link.danger { color: var(--danger); }
button:disabled { opacity: 0.5; cursor: default; }
button.icon { padding: 2px 8px; background: transparent; color: var(--text); border-color: var(--border); font-weight: normal; }
.button.small, .small .button { padding: 3px 10px; font-size: 0.85rem; }
form.inline { display: inline; }

.filters { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; margin: 12px 0; }
.filters label { font-size: 0.8rem; }
.range { display: flex; align-items: center; gap: 4px; }
.range input { width: 64px; }

/* --- Tables -------------------------------------------------------------- */

table { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--border); border-radius: 8px; margin: 8px 0; }
th, td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
thead th { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--muted); }
tfoot td { font-weight: 600; }
td.num, th.num { text-align: right; white-space: nowrap; }
.nowrap { white-space: nowrap; }
td.empty { text-align: center; color: var(--muted); padding: 24px; }
tr.archived { opacity: 0.6; }

@media (max-width: 800px) {
  main { padding: 12px 12px 48px; }
  table { display: block; overflow-x: auto; }
}

.doc-picker tr.selected { background: var(--ok-bg); }
.compare th { width: 160px; }
.compare td { width: 42%; }
tr.status-changed, tr.status-added, tr.status-removed, tr.status-edited { background: var(--warn-bg); }

/* --- Bits ---------------------------------------------------------------- */

.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.error-text { color: var(--danger); }
.meta-line { color: var(--muted); font-size: 0.9rem; }

.flash { padding: 10px 14px; border-radius: 6px; margin: 10px 0; border: 1px solid; }
.flash ul { margin: 0; padding-left: 18px; }
.flash.ok { background: var(--ok-bg); border-color: var(--ok); }
.flash.warn { background: var(--warn-bg); border-color: var(--warn); }
.flash.error { background: var(--danger-bg); border-color: var(--danger); }

.badge { display: inline-block; font-size: 0.75rem; font-weight: 600; padding: 1px 7px; border-radius: 10px; background: var(--code-bg); color: var(--muted); border: 1px solid var(--border); }
.badge.type-law { color: var(--accent); }
.badge.type-policy { color: var(--ok); }
.badge.warn, .badge.changed, .badge.edited, .badge.moved, .badge.renamed { color: var(--warn); border-color: var(--warn); }
.badge.added { color: var(--ok); border-color: var(--ok); }
.badge.removed { color: var(--danger); border-color: var(--danger); }
.badge.same { color: var(--ok); }

.checks { font-size: 0.9rem; }
.checks.good { color: var(--ok); }
.checks.bad { color: var(--danger); }

.score { font-weight: 700; padding: 2px 8px; border-radius: 6px; background: var(--code-bg); }
.score.s1, .score.s2 { color: var(--danger); }
.score.s3 { color: var(--warn); }
.score.s4, .score.s5 { color: var(--ok); }
.summary { display: flex; gap: 8px; align-items: center; }

.checklist { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 4px; }
.checklist li.hit { color: var(--ok); }
.checklist li.miss { color: var(--muted); }

.points { padding-left: 22px; margin: 0 0 8px; }
.point-row { margin-bottom: 6px; }
.point-row input[name="point_text"] { width: calc(100% - 140px); }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin: 12px 0; }
.tabs a { padding: 6px 14px; text-decoration: none; color: var(--text); border: 1px solid transparent; border-bottom: none; border-radius: 6px 6px 0 0; }
.tabs a.active { background: var(--panel); border-color: var(--border); margin-bottom: -1px; }

dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 14px; margin: 0; }
dl.kv dt { color: var(--muted); }
dl.kv dd { margin: 0; }
ol.compact { margin: 0; padding-left: 22px; }

pre { white-space: pre-wrap; word-break: break-word; }
pre.code, pre.output-text, pre.small-pre {
  background: var(--code-bg); padding: 10px 12px; border-radius: 6px; margin: 6px 0;
  max-height: 600px; overflow: auto;
}
pre.output-text { font-family: inherit; font-size: 0.95rem; }
pre.small-pre { max-height: 200px; font-size: 12px; }
details > summary { cursor: pointer; font-weight: 600; margin: 8px 0; }
.prompt-box { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 4px 14px; margin: 16px 0; }

.markdown { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 8px 24px; max-width: 900px; }
.markdown table { width: auto; }

/* Diff */
pre.diff { font-family: var(--mono); font-size: 12px; background: var(--code-bg); padding: 10px; border-radius: 6px; max-height: 700px; overflow: auto; white-space: pre-wrap; }
.d-add { background: var(--ok-bg); color: var(--ok); display: block; }
.d-del { background: var(--danger-bg); color: var(--danger); display: block; }
.d-hunk { color: var(--accent); display: block; margin-top: 6px; }
.d-file { color: var(--muted); display: block; }
.d-ctx { display: block; }

/* Token usage bar */
.usage { margin: 10px 0; }
.usage-track { height: 10px; background: var(--code-bg); border-radius: 5px; overflow: hidden; border: 1px solid var(--border); }
.usage-fill { height: 100%; background: var(--muted); transition: width 0.2s; }
.usage.ok .usage-fill { background: var(--ok); }
.usage.warn .usage-fill { background: var(--warn); }
.usage.danger .usage-fill { background: var(--danger); }
.usage-text { font-size: 0.9rem; margin-top: 4px; }
.usage-over { margin-top: 6px; padding: 8px 12px; background: var(--danger-bg); border: 2px solid var(--danger); border-radius: 6px; font-weight: 700; color: var(--danger); }
.sticky-usage { position: sticky; top: 0; background: var(--bg); z-index: 2; padding: 4px 0; }

.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--border); }
.dot.ok { background: var(--ok); }
.dot.warn { background: var(--warn); }
.dot.danger { background: var(--danger); }