:root{--bg:#f6f7fb;--card:#fff;--tx:#1b2430;--mut:#667085;--pri:#2563eb;--bd:#e4e7ec}
@media(prefers-color-scheme:dark){:root{--bg:#0f141b;--card:#18202b;--tx:#e6eaf0;--mut:#98a2b3;--pri:#5b8cff;--bd:#263243}}
*{box-sizing:border-box}body{margin:0;font:16px/1.55 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--tx)}
a{color:var(--pri)}.muted{color:var(--mut)}.foot{text-align:center;padding:2rem 1rem}
.nav{display:flex;flex-wrap:wrap;gap:.5rem 1rem;align-items:center;justify-content:space-between;padding:.8rem 1rem;background:var(--card);border-bottom:1px solid var(--bd)}
.nav nav{display:flex;flex-wrap:wrap;gap:.4rem 1rem}.brand{font-weight:700;text-decoration:none;color:var(--tx)}
main{max-width:1100px;margin:auto;padding:1rem}
.card{background:var(--card);border:1px solid var(--bd);border-radius:12px;padding:1rem;margin-bottom:1rem}
.grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.grid2{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.kpi b{display:block;font-size:1.7rem}.kpi span{color:var(--mut);font-size:.9rem}
input,select,textarea{font:inherit;padding:.6rem .8rem;border-radius:8px;border:1px solid var(--bd);background:var(--bg);color:var(--tx);width:100%}
button,.btn{font:inherit;padding:.6rem 1rem;border-radius:8px;background:var(--pri);color:#fff;border:0;cursor:pointer;text-decoration:none;display:inline-block}
button.sec,.btn.sec{background:transparent;color:var(--tx);border:1px solid var(--bd)}button.red{background:#d92d20}
label{display:block;margin:.7rem 0 .2rem;font-weight:600}
table{width:100%;border-collapse:collapse}td,th{padding:.45rem .3rem;border-bottom:1px solid var(--bd);text-align:left;vertical-align:top}td.n{text-align:right;white-space:nowrap}
.wrap{overflow-x:auto}.form{max-width:420px;margin:2rem auto}.inline{display:inline}
.err{background:#fee4e2;color:#912018;padding:.6rem .8rem;border-radius:8px;margin-bottom:.8rem}.ok{background:#dcfae6;color:#085d3a;padding:.6rem .8rem;border-radius:8px;margin:.5rem 0}
pre,code{background:#0d1117;color:#e6edf3;border-radius:6px}pre{padding:1rem;overflow:auto}code{padding:.1rem .3rem}
.chart{position:relative;width:100%;overflow:hidden}.tip{position:absolute;pointer-events:none;background:rgba(25,25,25,.93);color:#fff;border-radius:6px;padding:.4rem .7rem;font-size:.85rem;display:none;white-space:nowrap}
.hero{text-align:center;padding:3rem 1rem}.hero h1{font-size:clamp(1.8rem,5vw,3rem);margin:.2rem 0}
.live{display:flex;gap:.6rem 1.5rem;flex-wrap:wrap;align-items:center}.dot{display:inline-block;width:10px;height:10px;border-radius:50%;background:#12b76a;margin-right:.4rem}
.tabs{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1rem}.legend span{margin-right:1rem;font-size:.9rem;white-space:nowrap}