:root {
  --bg: #f5f7fa;
  --card: #ffffff;
  --ink: #111827;
  --ink-2: #374151;
  --muted: #6b7280;
  --line: #e5e7eb;
  --line-2: #d1d5db;
  --accent: #2563eb;
  --accent-soft: #eff6ff;
  --accent-ink: #1d4ed8;
  --soft: #f3f4f6;
  --low: #16a34a;
  --medium: #f59e0b;
  --elevated: #ea580c;
  --high: #dc2626;
  --up: #dc2626;
  --down: #16a34a;
  --track: #e5e9f0;
  --shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 4px 16px rgba(16, 24, 40, .06);
  --radius: 14px;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.5 Inter, system-ui, -apple-system, "Segoe UI", sans-serif; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
a { color: var(--accent); }
code { font: 500 12.5px "JetBrains Mono", ui-monospace, monospace; background: var(--soft); padding: 1px 5px; border-radius: 5px; }
h1 { font-size: clamp(26px, 4vw, 34px); line-height: 1.15; margin: 0 0 10px; letter-spacing: -.02em; }
h2 { font-size: 18px; margin: 0 0 14px; color: var(--ink-2); }
h3 { font-size: 14px; margin: 20px 0 10px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }

.top { background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.top-inner { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.brand { display: flex; gap: 10px; align-items: center; font-weight: 700; font-size: 18px; }
.logo { display: inline-flex; gap: 2px; align-items: flex-end; background: var(--accent); padding: 5px; border-radius: 7px; height: 26px; }
.logo i { width: 4px; background: #fff; display: block; }
.logo i:nth-child(1) { height: 6px } .logo i:nth-child(2) { height: 11px } .logo i:nth-child(3) { height: 16px }
.nav { display: flex; gap: 4px; }
.nav a { color: var(--muted); text-decoration: none; padding: 6px 12px; border-radius: 8px; font-weight: 500; }
.nav a:hover, .nav a.active { color: var(--ink); background: var(--soft); }

.hero { padding: 32px 0 8px; }
.lead { color: var(--ink-2); margin: 0 0 20px; max-width: 760px; }
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 20px; }
.metric { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.m-val { display: block; font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; }
.m-lab { color: var(--muted); font-size: 12.5px; }

.card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; margin-bottom: 16px; }
.card-title { display: block; color: var(--muted); margin-bottom: 10px; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.card-head h2 { margin: 0; }
.inputs { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.inputs .card { margin-bottom: 0; }
.inputs + * { margin-top: 16px; }
.row { display: flex; gap: 8px; align-items: center; }
.row.gap { flex-wrap: wrap; }
input#cid { flex: 1; min-width: 0; height: 40px; border: 1px solid var(--line-2); border-radius: 9px; padding: 0 12px; font: inherit; color: var(--ink); background: #fff; }
input#cid:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
.hint { color: var(--muted); font-size: 13px; margin: 10px 0 6px; }

.btn { display: inline-flex; align-items: center; gap: 6px; height: 40px; padding: 0 14px; border-radius: 9px; border: 1px solid transparent; font: 600 14px Inter, sans-serif; cursor: pointer; white-space: nowrap; }
.btn svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.btn.primary { background: var(--accent); color: #fff; }
.btn.primary:hover:not(:disabled) { background: var(--accent-ink); }
.btn.ghost { background: #fff; color: var(--accent); border-color: #bfdbfe; }
.btn.ghost:hover { background: var(--accent-soft); }
.btn.soft { background: var(--soft); color: var(--ink-2); }
.btn.soft:hover:not(:disabled) { background: #e5e7eb; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.primary:disabled { background: #93b4f5; opacity: 1; }

.drop { border: 1px dashed var(--line-2); border-radius: 12px; padding: 16px; transition: background .15s, border-color .15s; }
.drop.over { background: var(--accent-soft); border-color: var(--accent); }
.drop-text { color: var(--ink-2); font-size: 14px; margin: 12px 0 0; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 3px 10px; font-size: 13px; cursor: pointer; color: var(--ink-2); }
.chip:hover { border-color: var(--accent); color: var(--accent); }
.chip b { font-variant-numeric: tabular-nums; }
.chip.word { cursor: default; }
.chip.word.risk { background: #fef2f2; border-color: #fecaca; color: #991b1b; }
.chip.word.safe { background: #f0fdf4; border-color: #bbf7d0; color: #166534; }

.status { display: flex; align-items: center; gap: 14px; justify-content: center; padding: 28px; color: var(--ink-2); }
.status.error { color: #991b1b; background: #fef2f2; justify-content: flex-start; }
.spinner { width: 34px; height: 34px; border-radius: 50%; border: 4px solid var(--track); border-top-color: var(--medium); animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg) } }

.grid-result { display: grid; grid-template-columns: 360px 1fr; gap: 16px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-2.inner { gap: 32px; }
.gauge-wrap { display: flex; justify-content: center; }
.gauge { width: 240px; max-width: 100%; }
.g-track, .g-fill { fill: none; stroke-width: 18; stroke-linecap: butt; }
.g-track { stroke: var(--track); }
.g-fill { stroke: var(--low); transition: stroke-dashoffset .8s ease; }
.g-num { font: 700 36px Inter, sans-serif; text-anchor: middle; fill: var(--ink); font-variant-numeric: tabular-nums; }
.g-cap { font: 500 10px Inter, sans-serif; text-anchor: middle; fill: var(--muted); }
.risk-label { text-align: center; font-weight: 700; font-size: 20px; margin: 2px 0 14px; }
.facts { margin: 0; display: grid; gap: 8px; }
.facts div { display: flex; justify-content: space-between; gap: 12px; border-top: 1px solid var(--line); padding-top: 8px; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; font-weight: 600; font-variant-numeric: tabular-nums; text-align: right; }
.tag { font-size: 12px; background: var(--soft); color: var(--ink-2); padding: 3px 9px; border-radius: 999px; font-weight: 500; }
.lvl-low { color: var(--low) } .lvl-medium { color: #b45309 } .lvl-elevated { color: var(--elevated) } .lvl-high { color: var(--high) }

.reasons { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.reasons li { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border-radius: 10px; font-size: 14.5px; }
.reasons li.up { background: #fef2f2; } .reasons li.down { background: #f0fdf4; }
.reasons .ic { flex: none; width: 20px; height: 20px; border-radius: 50%; display: grid; place-items: center; color: #fff; font-size: 12px; font-weight: 700; margin-top: 1px; }
.reasons li.up .ic { background: var(--up); } .reasons li.down .ic { background: var(--down); }

.bars { display: grid; gap: 7px; }
.bar { display: grid; grid-template-columns: minmax(140px, 300px) 1fr 54px; gap: 10px; align-items: center; font-size: 13.5px; }
.bars.small .bar { grid-template-columns: minmax(120px, 280px) 1fr 48px; font-size: 13px; }
.bar .lab { color: var(--ink-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar .trk { background: var(--soft); border-radius: 5px; height: 10px; position: relative; overflow: hidden; }
.bar .fil { position: absolute; top: 0; bottom: 0; border-radius: 5px; background: var(--accent); }
.bar .num { text-align: right; font-variant-numeric: tabular-nums; color: var(--muted); }
.bar .fil.up { background: var(--up); } .bar .fil.down { background: var(--down); }

.shap { display: grid; gap: 4px; }
.shap-row { display: grid; grid-template-columns: minmax(180px, 1.3fr) 2fr 64px; gap: 12px; align-items: center; padding: 6px 0; border-bottom: 1px solid var(--line); }
.shap-row:last-child { border-bottom: 0; }
.shap-name { font-size: 13.5px; }
.shap-name .sub { display: block; color: var(--muted); font-size: 12px; }
.shap-bar { position: relative; height: 14px; }
.shap-bar::before { content: ""; position: absolute; left: 50%; top: -4px; bottom: -4px; width: 1px; background: var(--line-2); }
.shap-bar i { position: absolute; top: 0; bottom: 0; border-radius: 3px; }
.shap-bar i.up { background: var(--up); left: 50%; } .shap-bar i.down { background: var(--down); right: 50%; }
.shap-val { text-align: right; font: 500 12.5px "JetBrains Mono", monospace; }
.shap-val.up { color: var(--up); } .shap-val.down { color: var(--down); }
.legend { font-size: 12.5px; color: var(--muted); display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 10px; height: 10px; border-radius: 2px; display: inline-block; margin-left: 8px; }
.legend i.up { background: var(--up) } .legend i.down { background: var(--down) }

.table-wrap { overflow-x: auto; }
.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
.tbl th { text-align: left; color: var(--muted); font-weight: 500; font-size: 12.5px; padding: 6px 8px; border-bottom: 1px solid var(--line); }
.tbl td { padding: 8px; border-bottom: 1px solid var(--line); font-variant-numeric: tabular-nums; }
.tbl tbody tr { cursor: pointer; }
.tbl tbody tr:hover { background: var(--soft); }
.tbl tbody tr.sel { background: var(--accent-soft); }
.tbl.compact td, .tbl.compact th { padding: 6px 8px; }
.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.bad { background: #fee2e2; color: #991b1b; } .badge.ok { background: #dcfce7; color: #166534; } .badge.na { background: var(--soft); color: var(--muted); }
.link { color: var(--accent); cursor: pointer; text-decoration: underline; text-underline-offset: 2px; background: none; border: 0; font: inherit; padding: 0; }
.foot { color: var(--muted); font-size: 13px; padding: 12px 16px 40px; }

.inputs > *, .grid-result > *, .grid-2 > * { min-width: 0; }
@media (max-width: 520px) {
  .nav a { padding: 6px 8px; }
  .card { padding: 16px; }
  .btn { padding: 0 10px; }
  .bar, .bars.small .bar { grid-template-columns: 1fr 60px 44px; }
}
@media (max-width: 900px) {
  .inputs, .grid-result, .grid-2 { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .shap-row { grid-template-columns: 1fr 64px; }
  .shap-bar { grid-column: 1 / -1; grid-row: 2; }
  .bar, .bars.small .bar { grid-template-columns: 1fr 80px 44px; }
}