:root{--bg:#fbfaf7;--fg:#1d1d1b;--muted:#6b6b66;--accent:#0f6b5c;--card:#fff;--line:#e6e3dc}
@media(prefers-color-scheme:dark){:root{--bg:#141413;--fg:#f1efe9;--muted:#a3a29b;--accent:#5fd3b9;--card:#1d1d1b;--line:#2c2c29}}
*{box-sizing:border-box}body{margin:0;font:16px/1.6 system-ui,sans-serif;background:var(--bg);color:var(--fg)}
.top,.footlinks{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1rem 16px;max-width:960px;margin:0 auto}footer{max-width:960px;margin:0 auto}.disclaimer{color:var(--muted);font-size:.85rem;padding:0 16px}
.top nav a,.footlinks a{margin-left:1rem;color:var(--muted);text-decoration:none}.brand{font-weight:700;text-decoration:none;color:var(--fg)}
main{max-width:960px;margin:0 auto;padding:1rem 16px 4rem}h1{font-size:2rem;line-height:1.2}
.cards{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1rem}
.cards a{display:block;padding:1rem;background:var(--card);border:1px solid var(--line);border-radius:12px;color:inherit;text-decoration:none}
.cards strong{display:block;margin-bottom:.25rem}.cards span{color:var(--muted)}
.tool{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:1.5rem;margin:1.5rem 0}
input,select,textarea,button{font:inherit;padding:.5rem .75rem;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--fg)}
button.primary{background:var(--accent);color:#fff;border-color:var(--accent);cursor:pointer}
.tool label{display:block;margin:.6rem 0}.tool input[type=number],.tool input[type=date],.tool select{width:100%;max-width:360px;margin-top:.25rem}
.tool input[type=radio],.tool input[type=checkbox]{width:auto;margin-right:.5rem}
table{border-collapse:collapse;margin:1rem 0}td,th{border-bottom:1px solid var(--line);padding:.4rem .75rem;text-align:left}
.error{color:#e5484d;font-weight:600}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.tool textarea{width:100%;max-width:360px;margin-top:.25rem}
[hidden]{display:none!important}
main a{color:var(--accent)}
code{background:var(--card);border:1px solid var(--line);border-radius:4px;padding:0 .3em}