:root{--navy:#1E2761;--accent:#CC785C;--ink:#1B1E28;--grey:#5B6472;--line:#D9DFEE;--tint:#EEF2FB;--amber:#FBF3E3;--bg:#fff;--card:#fff}
@media (prefers-color-scheme:dark){:root{--navy:#C9D5F0;--ink:#E8ECF5;--grey:#A9B2C3;--line:#2E3550;--tint:#1C2238;--amber:#3A3020;--bg:#12151F;--card:#181C2B}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:'Source Sans 3',system-ui,sans-serif;line-height:1.45}
.top{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 20px;background:#1E2761;color:#fff;flex-wrap:wrap}
.brand{color:#fff;text-decoration:none;font-weight:700;font-size:17px}.brand span{font-weight:400;opacity:.8;font-size:14px}
nav{display:flex;gap:14px;align-items:center;flex-wrap:wrap}nav a{color:#fff;text-decoration:none;font-weight:600;font-size:14px}.me{opacity:.8;font-size:13px}
.btn{display:inline-block;background:var(--accent);color:#fff!important;border-radius:999px;padding:8px 16px;text-decoration:none;font-weight:700;border:0;cursor:pointer;font:inherit}
.btn.ghost{background:transparent;border:1.5px solid rgba(255,255,255,.5)}.btn.navy{background:#1E2761}
main{max-width:900px;margin:0 auto;padding:18px}
.card{background:var(--card);border:1.5px solid var(--line);border-radius:14px;padding:18px;margin:12px 0}
.card.hi{background:var(--amber);border-color:#E6D3A3}.card.blue{background:var(--tint)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}
h1{font-size:26px;margin:10px 0 6px;color:var(--navy)}h2{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin:18px 0 8px}h3{margin:0 0 6px;color:var(--navy)}
.big{font-size:32px;font-weight:700;color:var(--accent);line-height:1}.note{color:var(--grey);font-size:13.5px}
.ch{display:flex;align-items:center;gap:12px;padding:10px 12px;border:1.5px solid var(--line);border-radius:12px;margin-bottom:8px;color:inherit;text-decoration:none;background:var(--card)}
.ch .n{width:34px;height:34px;border-radius:9px;background:#1E2761;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex:none}.ch b{flex:1}
input,select{font:inherit;padding:9px 12px;border:1.5px solid var(--line);border-radius:10px;background:var(--card);color:var(--ink);width:100%;max-width:420px}
table{width:100%;border-collapse:collapse;font-size:14px}th,td{border:1px solid var(--line);padding:7px 8px;text-align:left;vertical-align:top}th{background:var(--tint);color:var(--navy)}
.err{background:#FBEFEE;border-left:3px solid #B3403A;padding:8px 12px;border-radius:0 8px 8px 0}.ok{background:#EAF5EE;border-left:3px solid #2E7D5B;padding:8px 12px;border-radius:0 8px 8px 0}
code,.code{font-family:ui-monospace,Menlo,monospace;background:var(--tint);padding:2px 6px;border-radius:6px}
footer{text-align:center;color:var(--grey);font-size:12px;padding:22px}
.hero{background:#1E2761;color:#fff;border-radius:16px;padding:28px 24px;margin-top:14px}.hero h1{color:#fff;font-size:30px}.hero p{opacity:.9;max-width:640px}
.stat{display:flex;gap:28px;flex-wrap:wrap;margin-top:10px}.stat b{display:block;font-size:26px;color:#E39A7E}.stat span{font-size:13px;opacity:.8}