:root{--bg:#f7f8fa;--surface:#ffffff;--border:#e3e6ea;--text:#1c2430;--muted:#5b6675;--accent:#1f5fae;--accent-contrast:#ffffff;--ok:#1f7a4d;--warn:#9a6b00;--danger:#b4232a;--radius:10px;--shadow:0 1px 2px rgba(16,24,40,0.04),0 1px 3px rgba(16,24,40,0.08);--font:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}@media (prefers-color-scheme:dark){:root{--bg:#0f1419;--surface:#161c24;--border:#28313d;--text:#e7ecf2;--muted:#9aa6b5;--accent:#5b9bf0;--accent-contrast:#0f1419;--ok:#4ec38a;--warn:#e0b252;--danger:#f08a8f}}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--accent)}h1{font-size:1.5rem;margin:0 0 .25rem}h2{font-size:1.05rem;margin:0 0 .5rem}p{margin:0 0 .75rem}.muted{color:var(--muted)}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em}.shell{min-height:100dvh;display:flex;flex-direction:column}.centered{flex:1 1;display:grid;place-items:center;padding:2rem 1rem}.container{width:100%;max-width:760px;margin:0 auto;padding:1.5rem 1rem}.topbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.85rem 1.25rem;background:var(--surface);border-bottom:1px solid var(--border)}.topbar .brand{font-weight:600;letter-spacing:.2px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.25rem 1.35rem}.card+.card{margin-top:1rem}.stack>*+*{margin-top:.6rem}.field{display:flex;flex-direction:column;gap:.35rem;margin-bottom:.85rem}.field label{font-size:.85rem;color:var(--muted)}.input{width:100%;padding:.6rem .7rem;font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:8px}.input:focus{outline:2px solid var(--accent);outline-offset:1px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.6rem 1rem;font:inherit;font-weight:600;color:var(--accent-contrast);background:var(--accent);border:1px solid transparent;border-radius:8px;cursor:pointer}.btn:hover{filter:brightness(.96)}.btn--ghost{background:transparent;color:var(--text);border-color:var(--border)}.notice{font-size:.85rem;color:var(--muted);background:color-mix(in srgb,var(--accent) 8%,transparent);border:1px solid var(--border);border-radius:8px;padding:.6rem .75rem}.state{display:flex;gap:.6rem;align-items:flex-start;padding:.6rem 0}.dot{width:9px;height:9px;border-radius:50%;margin-top:.45rem;flex:none}.dot--ok{background:var(--ok)}.dot--warn{background:var(--warn)}.dot--danger{background:var(--danger)}.kv{display:grid;grid-template-columns:max-content 1fr;grid-gap:.25rem 1rem;gap:.25rem 1rem;font-size:.92rem}.kv dt{color:var(--muted)}.kv dd{margin:0}