:root { --bg:#0a0b0e; --panel:#12141a; --text:#e7e9ee; --muted:#9aa3b2; --accent:#7c5cff; }
*{box-sizing:border-box;font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial}
body{margin:0;background:var(--bg);color:var(--text)}
.container{max-width:820px;margin:40px auto;padding:0 16px}
h1{font-weight:800;letter-spacing:-.3px;margin:0 0 12px}
.muted{color:var(--muted)}
.tiny{font-size:12px}
.card{background:var(--panel);border:1px solid #222533;border-radius:14px;padding:18px;margin:16px 0}
fieldset{border:1px dashed #2a2e3a;border-radius:12px;padding:12px 14px;margin:12px 0}
legend{padding:0 6px;color:var(--muted);font-size:12px}
label{display:block;margin:10px 0}
.radio{display:block;margin:8px 0}
button.primary, a.primary{display:inline-block;background:var(--accent);color:white;border:none;border-radius:10px;padding:10px 16px;text-decoration:none}
code{background:#1a1f2b;padding:2px 6px;border-radius:6px}