:root{--bg:#0d0d0f;--panel:#17171b;--line:#303037;--text:#f6f6f4;--muted:#aaaab2;--orange:#f28c28;--orange2:#ffab52;--danger:#ff6b6b;--ok:#43d18d}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 80% 0,#342116 0,transparent 32%),var(--bg);color:var(--text);font:16px/1.55 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;min-height:100vh}.shell{width:min(820px,calc(100% - 28px));margin:0 auto;padding:48px 0}.card{background:rgba(23,23,27,.96);border:1px solid var(--line);border-radius:24px;padding:clamp(24px,5vw,48px);box-shadow:0 30px 80px rgba(0,0,0,.4)}.compact{max-width:590px;margin:auto}.brand{font-size:20px;font-weight:800;letter-spacing:-.02em}.brand span{color:var(--orange)}.eyebrow{color:var(--orange2);font-size:12px;font-weight:800;letter-spacing:.14em;margin:34px 0 8px}h1{font-size:clamp(30px,5vw,44px);line-height:1.08;letter-spacing:-.04em;margin:16px 0}p{color:var(--muted)}.status{display:inline-flex;padding:8px 12px;border-radius:999px;font-size:13px;font-weight:750;margin-top:28px}.status.ok{color:#9df0c7;background:#163527}.status.warn{color:#ffd09b;background:#3a2817}.requirements{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;padding:0;margin:28px 0;list-style:none}.requirements li{border:1px solid var(--line);border-radius:12px;padding:10px 12px;font-size:14px}.pass{color:#a3e8c7}.fail{color:#ffaaaa}.error{background:#3b1f24;border:1px solid #71313b;color:#ffd5da;padding:14px 16px;border-radius:14px;margin:20px 0}.error ul{margin:8px 0 0;padding-left:20px}fieldset{border:0;padding:0;margin:30px 0}legend{font-weight:800;font-size:18px;margin-bottom:14px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.wide{grid-column:1/-1}label{display:block;color:#d7d7da;font-size:14px;font-weight:650;margin:14px 0}input{display:block;width:100%;margin-top:7px;padding:13px 14px;border:1px solid #3a3a42;border-radius:11px;background:#101014;color:#fff;font:inherit;outline:none}input:focus{border-color:var(--orange);box-shadow:0 0 0 3px rgba(242,140,40,.15)}.button{display:inline-flex;justify-content:center;align-items:center;border:0;border-radius:12px;padding:13px 18px;background:var(--orange);color:#18120c;text-decoration:none;font:700 15px inherit;cursor:pointer}.button:hover{background:var(--orange2)}.ghost{background:transparent;color:var(--text);border:1px solid var(--line)}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}.help{margin-top:28px;font-size:14px}@media(max-width:600px){.shell{padding:14px 0}.card{border-radius:18px;padding:22px}.grid,.requirements{grid-template-columns:1fr}.wide{grid-column:auto}.button{width:100%}}