:root{--canvas: #f8fafc;--surface: #ffffff;--surface-2: #f1f5f9;--ink: #0f172a;--ink-2: #334155;--muted: #64748b;--faint: #94a3b8;--line: #e2e8f0;--line-strong: #cbd5e1;--accent: #2563eb;--accent-deep: #1d4ed8;--accent-wash: #eff6ff;--ok: #059669;--ok-wash: #ecfdf5;--warn: #b45309;--warn-wash: #fffbeb;--critical: #dc2626;--critical-wash: #fef2f2;--ui: "Instrument Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;--r: 8px;--r-sm: 6px;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .04), 0 1px 3px rgba(15, 23, 42, .06);--shadow: 0 1px 3px rgba(15, 23, 42, .05), 0 8px 24px -8px rgba(15, 23, 42, .1)}*{box-sizing:border-box}body{margin:0;background:var(--canvas);color:var(--ink);font-family:var(--ui);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}h1,h2,h3{font-family:var(--ui);font-weight:600;letter-spacing:-.021em;margin:0;line-height:1.25;color:var(--ink)}h1{font-size:1.65rem;letter-spacing:-.028em}h2{font-size:1.1rem}h3{font-size:.95rem}a{color:var(--accent-deep);text-underline-offset:2px}.wrap{width:min(1000px,92vw);margin-inline:auto}.bar{border-bottom:1px solid var(--line);background:#ffffffd1;-webkit-backdrop-filter:saturate(180%) blur(12px);backdrop-filter:saturate(180%) blur(12px);position:sticky;top:0;z-index:10}.bar__in{display:flex;align-items:center;gap:1rem;padding:.75rem 0}.brand{font-weight:600;font-size:1.02rem;letter-spacing:-.03em}.tag{font-size:.688rem;font-weight:600;letter-spacing:.04em;color:var(--muted);text-transform:none}.tag--slate{color:var(--faint);font-weight:500}.btn{font-family:var(--ui);font-weight:500;font-size:.84rem;padding:.5rem 1rem;border:1px solid transparent;border-radius:var(--r-sm);background:var(--accent);color:#fff;cursor:pointer;box-shadow:var(--shadow-sm);transition:background .14s ease,box-shadow .14s ease,border-color .14s ease;display:inline-flex;align-items:center;gap:.4rem}.btn:hover:not(:disabled){background:var(--accent-deep)}.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.btn:disabled{opacity:.55;cursor:default;box-shadow:none}.btn--ghost{background:var(--surface);color:var(--ink-2);border-color:var(--line-strong)}.btn--ghost:hover:not(:disabled){background:var(--surface-2);border-color:var(--faint)}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:1.5rem;margin-bottom:1.15rem;box-shadow:var(--shadow-sm)}label{display:block;margin-bottom:1rem}label>span{display:block;margin-bottom:.35rem}input,select,textarea{width:100%;font-family:var(--ui);font-size:.875rem;padding:.55rem .7rem;background:var(--surface);border:1px solid var(--line-strong);border-radius:var(--r-sm);color:var(--ink);transition:border-color .14s ease,box-shadow .14s ease}input:hover,select:hover,textarea:hover{border-color:var(--faint)}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-wash)}input[type=password],input[type=tel],.mono{font-family:var(--mono)}.hint{font-size:.78rem;color:var(--muted);margin:-.7rem 0 1rem}.cols{display:grid;grid-template-columns:1fr 1fr;gap:0 1rem}@media(max-width:620px){.cols{grid-template-columns:1fr}}.center{min-height:100dvh;display:grid;place-items:center;text-align:center;padding:2rem}.note{padding:.7rem .85rem;font-size:.82rem;border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:var(--r-sm);background:var(--accent-wash);color:var(--ink-2)}.note--ok{border-left-color:var(--ok);background:var(--ok-wash);color:#065f46}.note--err{border-left-color:var(--critical);background:var(--critical-wash);color:#991b1b}.note--warn{border-left-color:var(--warn);background:var(--warn-wash);color:#92400e}table{font-variant-numeric:tabular-nums}