:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #16181d;
  --muted: #5d6470;
  --border: #dfe3ea;
  --accent: #4b3fd8;
  --accent-text: #ffffff;
  --code-bg: #f1f3f7;
  --ok: #0f7a4a;
  --ok-bg: #e5f5ed;
  --warn: #8a5a00;
  --warn-bg: #fff3d6;
  --bad: #b42318;
  --bad-bg: #fde8e6;
  --info-bg: #ecebff;
  --radius: 10px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --panel: #171a21;
    --text: #e8eaef;
    --muted: #9aa3b2;
    --border: #2a2f3a;
    --accent: #8b80ff;
    --accent-text: #0f1115;
    --code-bg: #11141a;
    --ok: #5fd39a;
    --ok-bg: #12291f;
    --warn: #f2c35b;
    --warn-bg: #2d2412;
    --bad: #ff8a80;
    --bad-bg: #2f1715;
    --info-bg: #1f1d3d;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
}
.top {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px 24px; border-bottom: 1px solid var(--border); background: var(--panel);
  position: sticky; top: 0; z-index: 2;
}
.brand { display: flex; align-items: center; gap: 10px; }
.logo { color: var(--accent); font-size: 20px; }
h1 { font-size: 17px; margin: 0; font-weight: 650; }
.meta { display: flex; gap: 8px; flex-wrap: wrap; }
.layout {
  display: grid; grid-template-columns: minmax(320px, 440px) 1fr; gap: 20px;
  padding: 20px 24px; max-width: 1400px; margin: 0 auto;
}
@media (max-width: 900px) { .layout { grid-template-columns: 1fr; padding: 16px; } .top { padding: 12px 16px; } }
.panel {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px; min-width: 0;
}
.field { margin-bottom: 14px; }
label, summary { display: block; font-size: 13px; font-weight: 600; color: var(--muted); margin-bottom: 6px; }
summary { cursor: pointer; }
input, textarea, select {
  width: 100%; font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px;
}
textarea { resize: vertical; }
input:focus, textarea:focus, select:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.row { display: flex; gap: 8px; align-items: center; }
.row.between { justify-content: space-between; }
.row select { width: auto; max-width: 60%; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (max-width: 520px) { .grid2 { grid-template-columns: 1fr; } }
.checks { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 12px; }
.checks label { display: flex; gap: 6px; align-items: center; font-weight: 500; color: var(--text); margin: 0; }
.checks input { width: auto; }
.hint { font-size: 12px; color: var(--muted); margin: 6px 0 0; }
button {
  font: inherit; cursor: pointer; border-radius: 8px; border: 1px solid var(--border);
  background: var(--panel); color: var(--text); padding: 7px 12px;
}
button.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); font-weight: 600; padding: 9px 18px; }
button.primary:disabled { opacity: .6; cursor: progress; }
button.ghost { background: transparent; }
.actions { display: flex; align-items: center; gap: 12px; }
.status { font-size: 13px; color: var(--muted); }
.tabs { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 14px; }
.tabs button { padding: 6px 10px; font-size: 13px; }
.tabs button[aria-selected="true"] { background: var(--info-bg); border-color: var(--accent); color: var(--text); font-weight: 600; }
.tabs button:disabled { opacity: .45; cursor: not-allowed; }
.tabs.small { margin: 0; }
.badge {
  display: inline-block; font-size: 12px; padding: 2px 8px; border-radius: 999px;
  border: 1px solid var(--border); white-space: nowrap;
}
.badge.ok { background: var(--ok-bg); color: var(--ok); border-color: transparent; }
.badge.warn { background: var(--warn-bg); color: var(--warn); border-color: transparent; }
.badge.bad { background: var(--bad-bg); color: var(--bad); border-color: transparent; }
.badge.info { background: var(--info-bg); color: var(--accent); border-color: transparent; }
.badge.muted { color: var(--muted); }
.facts { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.view { margin-top: 14px; }
.empty { color: var(--muted); padding: 40px 0; text-align: center; }
.code {
  background: var(--code-bg); border: 1px solid var(--border); border-radius: 8px; padding: 12px;
  overflow: auto; max-height: 70vh; font: 12.5px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace;
  white-space: pre-wrap; word-break: break-word;
}
.summary { padding: 12px 14px; border-radius: 8px; background: var(--info-bg); margin-bottom: 14px; }
.summary .objective { font-size: 16px; font-weight: 600; margin: 0 0 6px; }
.summary .tags { display: flex; gap: 6px; flex-wrap: wrap; }
.alert { padding: 10px 12px; border-radius: 8px; margin-bottom: 12px; font-size: 14px; }
.alert.warn { background: var(--warn-bg); color: var(--warn); }
.alert.bad { background: var(--bad-bg); color: var(--bad); }
.alert.ok { background: var(--ok-bg); color: var(--ok); }
.section { margin-bottom: 16px; }
.section h3 { font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin: 0 0 8px; }
.section ul { margin: 0; padding-left: 0; list-style: none; }
.section li { padding: 7px 10px; border: 1px solid var(--border); border-radius: 8px; margin-bottom: 6px; }
.section li .sub { display: block; font-size: 12.5px; color: var(--muted); margin-top: 2px; }
.alert ul { margin: 6px 0 0; padding-left: 18px; }
.alert li { margin-bottom: 6px; }
.alert li .sub { display: block; font-size: 12.5px; opacity: .85; margin-top: 2px; }
.section li.explicit { border-left: 3px solid var(--ok); }
.section li.inferred { border-left: 3px solid var(--accent); }
.section li.proposed { border-left: 3px solid var(--warn); }
.section li.blocking { border-left: 3px solid var(--bad); }
.brief dl { display: grid; grid-template-columns: 140px 1fr; gap: 6px 12px; margin: 0; }
.brief dt { color: var(--muted); font-size: 13px; }
.brief dd { margin: 0; }
@media (max-width: 520px) { .brief dl { grid-template-columns: 1fr; } }
.feedback { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--border); font-size: 14px; }
.feedback select { width: auto; }