:root{--bg: #f8fafc;--surface: #ffffff;--border: #e2e8f0;--text: #0f172a;--muted: #64748b;--accent: #1d4ed8;--accent-contrast: #ffffff;--danger: #b91c1c;--danger-bg: #fef2f2;--ok: #15803d;--radius: .6rem;--shadow: 0 1px 3px rgb(15 23 42 / .08), 0 1px 2px rgb(15 23 42 / .04)}@media (prefers-color-scheme: dark){:root{--bg: #0b1120;--surface: #111c33;--border: #1e293b;--text: #e2e8f0;--muted: #94a3b8;--accent: #3b82f6;--danger: #fca5a5;--danger-bg: #450a0a;--ok: #4ade80}}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.skip-link{position:absolute;left:-9999px;top:0;z-index:100;background:var(--accent);color:var(--accent-contrast);padding:.75rem 1rem}.skip-link:focus{left:0}.masthead{background:var(--surface);border-bottom:1px solid var(--border);padding:.85rem 1.25rem}.masthead-inner{max-width:68rem;margin:0 auto;display:flex;align-items:center;gap:1rem;flex-wrap:wrap}.brand{font-weight:700;font-size:1.05rem;margin:0}.brand small{display:block;font-weight:400;font-size:.78rem;color:var(--muted)}.masthead nav{margin-left:auto;display:flex;gap:.35rem;flex-wrap:wrap}.masthead nav a{color:var(--text);text-decoration:none;padding:.4rem .7rem;border-radius:var(--radius);font-size:.92rem}.masthead nav a:hover{background:var(--bg)}.masthead nav a[aria-current=page]{background:var(--accent);color:var(--accent-contrast)}main{max-width:68rem;margin:0 auto;padding:1.75rem 1.25rem 4rem}h1{font-size:1.6rem;margin:0 0 .35rem}h2{font-size:1.15rem;margin:2rem 0 .75rem}.lede{color:var(--muted);margin:0 0 1.5rem}.grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(16rem,1fr))}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.15rem 1.35rem;box-shadow:var(--shadow)}.card h3{margin:0 0 .35rem;font-size:1rem}.card p{margin:0;color:var(--muted);font-size:.92rem}.card-copilot{border-color:var(--accent);border-width:2px}dl.profile{display:grid;grid-template-columns:minmax(8rem,auto) 1fr;gap:.45rem 1.25rem;margin:0}dl.profile dt{color:var(--muted);font-size:.85rem}dl.profile dd{margin:0;font-size:.94rem;word-break:break-word}ul.chips{list-style:none;display:flex;flex-wrap:wrap;gap:.4rem;padding:0;margin:0}ul.chips li{background:var(--bg);border:1px solid var(--border);border-radius:999px;padding:.15rem .7rem;font-size:.82rem;font-family:ui-monospace,Menlo,monospace}button{font:inherit;cursor:pointer;border-radius:var(--radius);border:1px solid transparent;padding:.6rem 1.1rem}button.primary{background:var(--accent);color:var(--accent-contrast);font-weight:600}button.secondary{background:var(--surface);color:var(--text);border-color:var(--border)}button[disabled]{opacity:.6;cursor:not-allowed}.alert{border-radius:var(--radius);padding:.9rem 1.15rem;margin:1rem 0;border:1px solid var(--border);background:var(--surface)}.alert-error{background:var(--danger-bg);border-color:var(--danger);color:var(--danger)}.alert-warn{border-color:#f59e0b}.alert h3{margin:0 0 .4rem;font-size:.98rem}.alert p{margin:0 0 .6rem;font-size:.9rem}.signin{max-width:26rem;margin:4rem auto;text-align:center}.signin .card{text-align:left}.demo-banner{background:#78350f;color:#fef3c7;text-align:center;padding:.5rem 1rem;font-size:.84rem}.spinner{width:1.1rem;height:1.1rem;display:inline-block;vertical-align:-.15rem;border:2px solid currentColor;border-top-color:transparent;border-radius:50%;animation:spin .8s linear infinite;margin-right:.5rem}@keyframes spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion: reduce){.spinner{animation:none}}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}@media (max-width: 34rem){dl.profile{grid-template-columns:1fr;gap:.1rem}dl.profile dt{margin-top:.6rem}}