:root { --bg:#0b1020; --card:#141b2d; --text:#e8eefc; --muted:#9aa8c7; --accent:#5b8cff; }
*{box-sizing:border-box} body{margin:0;font-family:ui-sans-serif,system-ui,sans-serif;background:radial-gradient(1000px 500px at 10% -10%,#1a2a55,transparent),var(--bg);color:var(--text)}
.wrap{max-width:920px;margin:0 auto;padding:36px 20px 80px}
.brand{letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-size:.75rem}
h1{font-size:2rem;margin:.4rem 0 10px;letter-spacing:-.02em}
.sub,.muted{color:var(--muted);line-height:1.5}
.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin:28px 0}
.tile,.card{background:var(--card);border:1px solid #243047;border-radius:16px;padding:18px;text-decoration:none;color:inherit;display:block}
.tile:hover{border-color:#3a5280}
label{display:block;font-size:.85rem;color:var(--muted);margin:10px 0 6px}
textarea,input,select{width:100%;background:#0d1424;color:var(--text);border:1px solid #2b3b5a;border-radius:10px;padding:12px;font:inherit}
textarea{min-height:140px;resize:vertical}
.row{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
button{background:var(--accent);color:#fff;border:0;border-radius:10px;padding:12px 16px;font-weight:600;cursor:pointer}
pre{white-space:pre-wrap;background:#0d1424;border-radius:12px;padding:16px;border:1px solid #2b3b5a;min-height:120px}
a{color:#8eb6ff} code{color:#c7d7ff}