:root{--bg:#0b0d10;--panel:#12161c;--text:#eef2f7;--muted:#aab3c0;--accent:#5aa3ff;}
*{box-sizing:border-box}body{margin:0;font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu;background:var(--bg);color:var(--text)}
.bar{padding:16px 20px;background:var(--panel);border-bottom:1px solid #1d2430}
.wrap{max-width:960px;margin:24px auto;padding:0 16px}
h1{margin:0;font-size:20px}.sub{margin:4px 0 0;color:var(--muted)}
h2{font-size:18px;margin:24px 0 12px}
pre{background:#0f1319;border:1px solid #1d2430;border-radius:8px;padding:12px;overflow:auto}
form{background:var(--panel);border:1px solid #1d2430;border-radius:10px;padding:16px}
input[type=file],input[type=text]{width:100%;background:#0f1319;border:1px solid #1d2430;color:var(--text);padding:10px;border-radius:8px;margin:8px 0}
button{background:var(--accent);color:#08101f;padding:10px 14px;border:0;border-radius:8px;cursor:pointer}
button:hover{filter:brightness(1.1)}