:root{--bg:#f4f5f7;--card:#fff;--ink:#1c2230;--muted:#687083;--line:#dfe2e8;--accent:#3b5bdb;--ok:#2b8a3e;--warn:#b7791f;--bad:#c92a2a}
@media (prefers-color-scheme:dark){:root{--bg:#12151c;--card:#1b2029;--ink:#e6e9ef;--muted:#98a1b3;--line:#2c3340;--accent:#7b93ff;--ok:#69db7c;--warn:#f0b849;--bad:#ff8787}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
.bar{display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;align-items:center;padding:.75rem 1.25rem;background:var(--card);border-bottom:1px solid var(--line)}
.brand{font-weight:700;color:var(--ink);font-size:1.05rem}
nav{display:flex;flex-wrap:wrap;gap:.25rem 1rem}nav a{color:var(--muted);padding:.2rem 0}nav a.on{color:var(--ink);font-weight:600;border-bottom:2px solid var(--accent)}
main{max-width:1100px;margin:0 auto;padding:1.25rem}main.narrow{max-width:460px}
h1{font-size:1.4rem;margin:.25rem 0 1rem}h2{font-size:1.05rem;margin:1.5rem 0 .5rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:1rem;margin-bottom:1rem}
.stack{display:flex;flex-direction:column;gap:.8rem}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:.8rem 1rem}.grid .wide{grid-column:1/-1;margin:0}
.row{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;margin-bottom:1rem}
label{display:flex;flex-direction:column;gap:.25rem;font-size:.85rem;color:var(--muted)}
input,select,textarea{font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:7px;padding:.5rem .6rem;min-width:0}
textarea{resize:vertical;font-family:ui-monospace,Menlo,monospace;font-size:.85rem}
button,.btn{font:inherit;font-weight:600;cursor:pointer;border:1px solid var(--accent);background:var(--accent);color:#fff;border-radius:7px;padding:.5rem .9rem;display:inline-block}
@media (prefers-color-scheme:dark){button,.btn{color:#12151c}}
button.ghost{background:transparent;color:var(--accent)}button.danger{border-color:var(--bad);color:var(--bad)}
.btn:hover{text-decoration:none}
table{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--line);border-radius:10px;overflow:hidden;display:block;overflow-x:auto}
th,td{text-align:left;padding:.55rem .75rem;border-bottom:1px solid var(--line);white-space:nowrap}th{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.03em}
tr:last-child td{border-bottom:0}tr.off td{opacity:.5}td form{margin:0}
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:.75rem;margin-bottom:1rem}
.tile{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:.9rem;color:var(--ink);display:flex;flex-direction:column}
.tile span{font-size:.8rem;color:var(--muted)}.tile b{font-size:1.5rem}.tile:hover{text-decoration:none;border-color:var(--accent)}
.pill{display:inline-block;font-size:.72rem;font-weight:700;padding:.1rem .5rem;border-radius:99px;border:1px solid currentColor}
.ok{color:var(--ok)}.warn{color:var(--warn)}.bad{color:var(--bad)}.muted{color:var(--muted)}
.flash{background:var(--card);border:1px solid var(--accent);border-radius:8px;padding:.6rem .8rem;margin-bottom:1rem}.flash.bad{border-color:var(--bad)}
.choice{flex-direction:row;align-items:center;gap:.6rem;border:1px solid var(--line);border-radius:8px;padding:.6rem;color:var(--ink);font-size:.95rem}
.task{display:flex;flex-wrap:wrap;gap:.75rem;justify-content:space-between;align-items:center}.task .row{margin:0}
pre,code{font-family:ui-monospace,Menlo,monospace;font-size:.82rem}pre{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:.7rem;overflow-x:auto}