:root{--bg:#f5f7fa;--card:#fff;--ink:#14202e;--dim:#5b6b7d;--line:#dde3ea;--acc:#0b6bcb;--acc2:#e8f1fb;--ok:#13804a;--bad:#b3261e;--warn:#9a6700;--hdr:#0d1b2a;--hdrink:#e8eef5}
@media (prefers-color-scheme:dark){:root{--bg:#0e1620;--card:#16212d;--ink:#e6edf4;--dim:#97a6b7;--line:#2a3846;--acc:#5aa9f0;--acc2:#16304a;--ok:#4cc38a;--bad:#ff8a80;--warn:#e3b341;--hdr:#08111a}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
a{color:var(--acc)}
.hdr{background:var(--hdr);color:var(--hdrink)}
.hdr .in{max-width:1100px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.hdr b{font-size:17px;letter-spacing:.2px}.hdr nav{display:flex;gap:4px;flex-wrap:wrap;margin-left:auto}
.hdr nav a{color:var(--hdrink);text-decoration:none;padding:6px 10px;border-radius:8px;font-size:15px}
.hdr nav a.on,.hdr nav a:hover{background:rgba(255,255,255,.14)}
.lang{border:1px solid rgba(255,255,255,.35);background:none;color:var(--hdrink);border-radius:8px;padding:4px 9px;cursor:pointer;font-size:13px}
main{max-width:1100px;margin:0 auto;padding:20px 16px 60px}
h1{font-size:30px;line-height:1.2;margin:8px 0 6px}h2{font-size:21px;margin:26px 0 10px}h3{font-size:17px;margin:0 0 6px}
.lead{color:var(--dim);font-size:18px;max-width:760px;margin:0 0 16px}
.grid{display:grid;gap:14px}.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.g3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px}
.card.hero{background:linear-gradient(135deg,var(--acc2),var(--card))}
.pill{display:inline-block;border-radius:99px;padding:2px 10px;font-size:12.5px;background:var(--acc2);color:var(--acc);font-weight:600}
.pill.ok{background:rgba(19,128,74,.14);color:var(--ok)}.pill.bad{background:rgba(179,38,30,.14);color:var(--bad)}.pill.warn{background:rgba(154,103,0,.16);color:var(--warn)}
.btn{display:inline-block;border:0;background:var(--acc);color:#fff;font:inherit;font-weight:600;padding:10px 16px;border-radius:10px;cursor:pointer;text-decoration:none}
.btn.sec{background:var(--acc2);color:var(--acc)}.btn.sm{padding:5px 10px;font-size:14px}.btn.danger{background:var(--bad)}.btn[disabled]{opacity:.5;cursor:default}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
label{display:block;font-weight:600;font-size:14px;margin:12px 0 4px}
input,select,textarea{width:100%;font:inherit;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:10px;padding:9px 11px}
input[type=checkbox]{width:auto;margin-right:8px}.chk{display:flex;align-items:flex-start;font-weight:400;font-size:14.5px}
.hint{font-size:13.5px;color:var(--dim);margin:4px 0}
table{border-collapse:collapse;width:100%;font-size:15px}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}th{font-size:13px;color:var(--dim);text-transform:uppercase;letter-spacing:.4px}
td.n,th.n{text-align:right;font-variant-numeric:tabular-nums}.scroll{overflow-x:auto}
.code{font:700 34px/1 ui-monospace,Menlo,Consolas,monospace;letter-spacing:6px;background:var(--acc2);color:var(--acc);padding:14px 18px;border-radius:12px;display:inline-block}
.msg{padding:10px 12px;border-radius:10px;margin:10px 0;font-size:15px}.msg.bad{background:rgba(179,38,30,.12);color:var(--bad)}.msg.ok{background:rgba(19,128,74,.12);color:var(--ok)}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin:6px 0 14px}.tabs button{border:1px solid var(--line);background:var(--card);color:var(--ink);padding:7px 13px;border-radius:99px;font:inherit;cursor:pointer}.tabs button.on{background:var(--acc);color:#fff;border-color:var(--acc)}
.ev{font:12.5px/1.45 ui-monospace,Menlo,Consolas,monospace;white-space:pre-wrap;word-break:break-word}
.ev .ty{font-weight:700}.ev .tm{color:var(--dim)}
.tv main{max-width:none}.tv .hdr nav{display:none}.tv h1{font-size:44px}.tv table{font-size:24px}.tv th{font-size:16px}
.ag td:first-child{white-space:nowrap;font-variant-numeric:tabular-nums;color:var(--dim)}
@media (max-width:640px){h1{font-size:25px}.code{font-size:28px;letter-spacing:4px}}
.hdr .brand{color:#fff;font-weight:800;letter-spacing:.6px;text-decoration:none}.hdr .brand i{color:var(--acc);font-style:normal}
.hdr .signin{background:var(--acc);color:#04101c;font-weight:700;border-radius:99px;padding:6px 14px}