:root {
  --bg: #f6f7f9; --panel: #ffffff; --ink: #14181f; --muted: #5d6675; --line: #e3e6eb;
  --accent: #ff7a45; --accent-ink: #b4461a; --accent-soft: #fff1ea; --blue: #2563eb; --blue-soft: #e8f0fe;
  --hot: #c2410c; --hot-soft: #fff1e8; --warm: #a16207; --warm-soft: #fef9e3;
  --nurture: #0f766e; --nurture-soft: #e6f6f4; --nofit: #6b7280; --nofit-soft: #f1f2f4;
  --ok: #15803d; --ok-soft: #e9f7ee; --bad: #b91c1c; --bad-soft: #fdecec;
  --code-bg: #0f141b; --code-ink: #cfd6e0;
}
* { box-sizing: border-box; }
html, body { background: var(--bg); }
body { margin: 0; color: var(--ink); font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif; }
a { color: var(--blue); }
.topbar { background: #1f2937; color: #fff; display: flex; align-items: center; gap: 14px; padding: 10px 20px; flex-wrap: wrap; }
.topbar .brand { font-weight: 700; font-size: 15px; }
.topbar .brand small { display: block; font-weight: 400; font-size: 11px; color: #cbd5e1; }
.demo-badge { background: var(--accent); color: #111; font-size: 11px; font-weight: 800; letter-spacing: .08em; padding: 3px 9px; border-radius: 999px; }
.nav { display: flex; gap: 2px; flex-wrap: wrap; margin-left: auto; }
.nav a { color: #e5e7eb; text-decoration: none; padding: 6px 10px; border-radius: 6px; font-size: 13px; }
.nav a:hover { background: #374151; }
.nav a[aria-current="page"] { background: var(--accent); color: #111; font-weight: 600; }
.nav .sep { width: 1px; background: #4b5563; margin: 4px 6px; }
.demo-strip { background: var(--accent-soft); color: var(--accent-ink); font-size: 12px; text-align: center; padding: 5px 12px; border-bottom: 1px solid #ffd9c7; }
main { max-width: 1280px; margin: 0 auto; padding: 22px 20px 64px; }
h1 { font-size: 24px; margin: 0 0 4px; }
h2 { font-size: 18px; margin: 24px 0 8px; }
h3 { font-size: 15px; margin: 0 0 10px; }
.lede { color: var(--muted); margin: 0 0 18px; max-width: 860px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.muted { color: var(--muted); font-size: 13px; }
.note { background: var(--warm-soft); border: 1px solid #f3e3a3; color: #5b4708; padding: 10px 14px; border-radius: 8px; font-size: 13px; margin: 12px 0 16px; }
.grid { display: grid; gap: 16px; }
.grid.two { grid-template-columns: 1fr 1fr; }
.grid.three { grid-template-columns: repeat(3, 1fr); }
.grid.four { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 960px) { .grid.two, .grid.three, .grid.four { grid-template-columns: 1fr; } }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 9px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 600; }
.pill { display: inline-block; font-size: 12px; font-weight: 700; padding: 2px 8px; border-radius: 999px; white-space: nowrap; }
.HOT { background: var(--hot-soft); color: var(--hot); } .WARM { background: var(--warm-soft); color: var(--warm); }
.NURTURE { background: var(--nurture-soft); color: var(--nurture); } .NOT_A_FIT { background: var(--nofit-soft); color: var(--nofit); }
.pill.ok { background: var(--ok-soft); color: var(--ok); } .pill.bad { background: var(--bad-soft); color: var(--bad); }
.pill.info { background: var(--blue-soft); color: var(--blue); } .pill.wait { background: var(--warm-soft); color: var(--warm); }
.btn { border: 0; background: var(--blue); color: #fff; padding: 9px 15px; border-radius: 8px; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; display: inline-block; }
.btn.secondary { background: var(--panel); color: var(--ink); border: 1px solid var(--line); }
.btn.ok { background: var(--ok); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
label { display: block; font-size: 12px; font-weight: 600; color: var(--muted); margin: 10px 0 4px; }
input, select, textarea { width: 100%; font: inherit; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--ink); }
textarea { min-height: 90px; resize: vertical; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.stat .v { font-size: 28px; font-weight: 700; }
.stat .k { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.stat .s { font-size: 12px; color: var(--muted); }
.bar { height: 10px; background: var(--blue); border-radius: 5px; min-width: 2px; }
.code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; background: var(--code-bg); color: var(--code-ink); border-radius: 8px; padding: 10px; overflow: auto; }
details { border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px; background: var(--panel); margin-bottom: 8px; }
details summary { cursor: pointer; font-weight: 600; }
footer.site { text-align: center; color: var(--muted); font-size: 12px; padding: 18px; }