:root {
  --bg: #0e1116;
  --panel: #161b22;
  --panel-2: #1c232c;
  --line: #2a323d;
  --text: #e6edf3;
  --muted: #8b98a5;
  --accent: #4ea1ff;
  --accent-dim: #1f6feb;
  --warn: #d29922;
  --danger: #f85149;
  --good: #3fb950;
  --ins: #3fb950;
  --del: #f85149;
  --radius: 8px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- layout ---------- */
header {
  display: flex; align-items: center; gap: 18px;
  padding: 12px 20px;
  background: linear-gradient(180deg, #131922, #0e1116);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 20;
}
.brand { font-weight: 700; letter-spacing: .3px; font-size: 16px; white-space: nowrap; }
.brand span { color: var(--accent); }
nav { display: flex; gap: 4px; flex-wrap: wrap; }
nav button {
  background: transparent; border: 1px solid transparent; color: var(--muted);
  padding: 6px 12px; border-radius: 6px; cursor: pointer; font-size: 14px;
}
nav button:hover { color: var(--text); background: var(--panel-2); }
nav button.active { color: var(--text); background: var(--panel-2); border-color: var(--line); }
.spacer { flex: 1; }
.status-pill {
  font-size: 12px; color: var(--muted); font-family: var(--mono);
  border: 1px solid var(--line); padding: 4px 9px; border-radius: 20px;
  white-space: nowrap;
}

main { padding: 20px; max-width: 1500px; margin: 0 auto; }
.view { display: none; }
.view.active { display: block; }

/* ---------- panels ---------- */
.panel {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px; margin-bottom: 16px;
}
.panel h2 { margin: 0 0 4px; font-size: 15px; letter-spacing: .2px; }
.panel .hint { color: var(--muted); font-size: 13px; margin: 0 0 12px; }

.grid { display: grid; gap: 14px; }
.grid.two { grid-template-columns: 1fr 1fr; }
.grid.cards { grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
@media (max-width: 950px) { .grid.two { grid-template-columns: 1fr; } }

/* ---------- controls ---------- */
input[type=text], input[type=password], input[type=number], select, textarea {
  background: #0d1117; border: 1px solid var(--line); color: var(--text);
  padding: 9px 11px; border-radius: 6px; font-size: 14px; width: 100%;
  font-family: inherit;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--accent-dim);
}
textarea { resize: vertical; min-height: 74px; }
label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; }

button.primary {
  background: var(--accent-dim); border: 1px solid var(--accent-dim);
  color: #fff; padding: 9px 18px; border-radius: 6px; cursor: pointer;
  font-size: 14px; font-weight: 500;
}
button.primary:hover { background: #2a7ff0; }
button.primary:disabled { opacity: .55; cursor: default; }
button.ghost {
  background: var(--panel-2); border: 1px solid var(--line); color: var(--text);
  padding: 8px 14px; border-radius: 6px; cursor: pointer; font-size: 13px;
}
button.ghost:hover { border-color: var(--accent-dim); }

.filters { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.row { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }

/* ---------- tables ---------- */
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .4px; position: sticky; top: 0; background: var(--panel); }
tbody tr:hover { background: var(--panel-2); cursor: pointer; }
.scroll { overflow: auto; max-height: 66vh; border: 1px solid var(--line); border-radius: 6px; }
.nowrap { white-space: nowrap; }

/* ---------- bits ---------- */
.tag {
  display: inline-block; font-size: 11.5px; padding: 2px 8px; border-radius: 20px;
  background: var(--panel-2); border: 1px solid var(--line); color: var(--muted);
  white-space: nowrap;
}
.tag.accent { color: var(--accent); border-color: #21446e; background: #10243c; }
.tag.warn { color: var(--warn); border-color: #4a3a12; background: #2b2310; }
.tag.danger { color: var(--danger); border-color: #5c2321; background: #2d1512; }
.tag.good { color: var(--good); border-color: #1e4326; background: #10251a; }
.mono { font-family: var(--mono); font-size: 12.5px; }

.stat { background: var(--panel-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 13px 15px; }
.stat .n { font-size: 24px; font-weight: 650; }
.stat .k { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .4px; }
.stat .sub { font-size: 12px; color: var(--muted); margin-top: 3px; }

.answer {
  background: var(--panel-2); border: 1px solid var(--line);
  border-left: 3px solid var(--accent); border-radius: 6px;
  padding: 15px 17px; white-space: pre-wrap; line-height: 1.65;
}
.answer .cite {
  font-family: var(--mono); font-size: 11.5px; color: var(--accent);
  background: #10243c; border: 1px solid #21446e; border-radius: 4px;
  padding: 0 4px; cursor: pointer;
}
.sources { margin-top: 14px; display: grid; gap: 7px; }
.source {
  display: flex; gap: 10px; align-items: baseline; font-size: 13px;
  padding: 8px 11px; background: #0d1117; border: 1px solid var(--line);
  border-radius: 6px;
}
.source .tagid { font-family: var(--mono); color: var(--accent); min-width: 34px; }

.artbody { white-space: pre-wrap; line-height: 1.6; font-size: 14px; }
.diff { display: grid; gap: 10px; grid-template-columns: 1fr 1fr; }
@media (max-width: 900px) { .diff { grid-template-columns: 1fr; } }
.diff .side { background: #0d1117; border: 1px solid var(--line); border-radius: 6px; padding: 12px; }
.diff .side h4 { margin: 0 0 8px; font-size: 12px; text-transform: uppercase; letter-spacing: .4px; color: var(--muted); }
.diff .side.now { border-left: 3px solid var(--ins); }
.diff .side.was { border-left: 3px solid var(--del); }

.empty { color: var(--muted); padding: 26px; text-align: center; font-size: 14px; }
.spinner { display: inline-block; width: 13px; height: 13px; border: 2px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- modal ---------- */
.modal-bg {
  position: fixed; inset: 0; background: rgba(0,0,0,.62); z-index: 60;
  display: flex; align-items: flex-start; justify-content: center; padding: 40px 18px;
  overflow: auto;
}
.modal {
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  max-width: 900px; width: 100%; padding: 20px;
}
.modal header { background: none; border: none; padding: 0 0 12px; position: static; }
.modal h3 { margin: 0; font-size: 16px; }
.kv { display: grid; grid-template-columns: 130px 1fr; gap: 6px 14px; font-size: 13.5px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

.bar { height: 7px; background: var(--panel-2); border-radius: 4px; overflow: hidden; }
.bar > span { display: block; height: 100%; background: var(--accent-dim); }