:root{--bg:#0b0b0f;--card:#141419;--line:#222432;--text:#e9ebf1;--muted:#a0a4b8;--green:#3cd27d;--yellow:#f1c40f;--red:#ff6b6b}
*{box-sizing:border-box} body{margin:0;background:var(--bg);color:var(--text);font:16px/1.4 system-ui, -apple-system, Segoe UI, Roboto, Ubuntu}
.header{display:flex;gap:16px;align-items:center;padding:16px;border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(11,11,15,0.85);backdrop-filter:blur(8px)}
.header a{color:var(--text);text-decoration:none;font-weight:600;padding:8px 10px;border-radius:8px}
.header a.active,.header a:hover{background:var(--card)}
.container{max-width:1000px;margin:0 auto;padding:20px}
h1{font-size:28px;margin:8px 0 16px} .muted{color:var(--muted)} .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;margin:12px 0}
input,textarea,button,select{width:100%;padding:10px;margin:6px 0;border-radius:10px;border:1px solid var(--line);background:#0e0e14;color:var(--text)}
button{cursor:pointer;background:#1d5636} button.primary{background:var(--green);color:#051} button.warn{background:#4a2} code,pre{background:#0d0d14;border:1px solid var(--line);border-radius:8px;padding:8px;display:block;overflow:auto}
.small{font-size:12px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.badge{display:inline-block;background:#1b1d27;border:1px solid var(--line);padding:4px 8px;border-radius:999px;font-size:12px;color:var(--muted)}
kbd{padding:2px 6px;border:1px solid var(--line);border-bottom-width:3px;border-radius:6px;background:#0a0c10}