:root{--bg:#f6f8fb;--fg:#17202e;--mut:#5b6678;--card:#fff;--acc:#0b5fff;--bd:#d9e0ea;--warn:#fff4d6}
@media(prefers-color-scheme:dark){:root{--bg:#10151d;--fg:#e8edf5;--mut:#9aa6b8;--card:#19212d;--acc:#6aa0ff;--bd:#2b3646;--warn:#3a3118}}
*{box-sizing:border-box}body{margin:0;font:16px/1.55 system-ui,sans-serif;background:var(--bg);color:var(--fg)}
.demo{background:var(--warn);text-align:center;padding:.4rem;font-size:.9rem;font-weight:600}
.top{display:flex;flex-wrap:wrap;gap:.5rem 1.2rem;align-items:center;justify-content:space-between;padding:.8rem 1rem;background:var(--card);border-bottom:1px solid var(--bd)}
.top nav{display:flex;flex-wrap:wrap;gap:.4rem 1rem}a{color:var(--acc)}.brand{font-weight:700;font-size:1.15rem;text-decoration:none}
main{max-width:1000px;margin:0 auto;padding:1.2rem 1rem}h1{line-height:1.2}
.card{background:var(--card);border:1px solid var(--bd);border-radius:10px;padding:1rem;margin:0 0 1rem}
.grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.kpi{font-size:2rem;font-weight:700}.mut{color:var(--mut)}.notice{background:var(--warn);padding:.6rem 1rem;border-radius:8px}
.tbl{width:100%;border-collapse:collapse}.tbl th,.tbl td{text-align:left;padding:.45rem;border-bottom:1px solid var(--bd);vertical-align:top}
.scroll{overflow-x:auto}label{display:block;margin:.7rem 0 .2rem;font-weight:600}
input,select,textarea,button{font:inherit;padding:.5rem;border:1px solid var(--bd);border-radius:6px;background:var(--card);color:var(--fg);max-width:100%}
input,select,textarea{width:100%}button,.btn{background:var(--acc);color:#fff;border:0;cursor:pointer;padding:.55rem 1rem;text-decoration:none;display:inline-block;border-radius:6px}
.tag{font-size:.75rem;padding:.1rem .45rem;border:1px solid var(--bd);border-radius:99px;white-space:nowrap}
meter{width:100%;height:1rem}footer{max-width:1000px;margin:2rem auto;padding:0 1rem;color:var(--mut);font-size:.85rem}
.hero{padding:1.5rem 0}.hero h1{font-size:2.2rem;margin:.2rem 0}