:root{--bg:#060816;--surface:#121a31;--cyan:#18e0ff;--violet:#7a4dff;--magenta:#f144ff;--white:#f7faff;--muted:#9ba8c3;--danger:#ff4d6d;--success:#27e0a3;--border:rgba(255,255,255,.09);--gradient:linear-gradient(135deg,#18e0ff,#296bff 42%,#7a4dff 72%,#f144ff)}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 50% 0,rgba(24,224,255,.12),transparent 32%),var(--bg);color:var(--white);font-family:Inter,system-ui,sans-serif;min-height:100vh;padding:28px}.installer-shell{width:min(100%,820px);margin:auto}header{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}header img{width:210px;height:90px;object-fit:contain}.steps{display:flex;gap:8px}.steps span{width:30px;height:30px;border-radius:10px;display:grid;place-items:center;background:#0d1224;color:#65708a;font-size:12px;font-weight:800;border:1px solid var(--border)}.steps span.active{background:var(--gradient);color:#fff}.installer-card{padding:40px;border-radius:30px;background:rgba(18,26,49,.82);border:1px solid var(--border);box-shadow:0 30px 90px rgba(0,0,0,.4)}.eyebrow{font-size:11px;color:var(--cyan);font-weight:900;letter-spacing:.16em;text-transform:uppercase}h1{font-size:38px;letter-spacing:-.04em;margin:10px 0}p{color:var(--muted);line-height:1.6}.requirements{display:grid;gap:10px;margin:28px 0}.requirements>div{display:grid;grid-template-columns:34px 1fr auto;align-items:center;gap:12px;padding:13px;border-radius:14px;background:rgba(255,255,255,.025)}.requirements span{width:30px;height:30px;border-radius:10px;display:grid;place-items:center;font-weight:900}.requirements .ok{background:rgba(39,224,163,.12);color:var(--success)}.requirements .bad{background:rgba(255,77,109,.12);color:var(--danger)}.requirements small{color:var(--muted)}form>button,.button,.actions button{display:inline-flex;justify-content:center;align-items:center;min-height:50px;padding:13px 22px;border:0;border-radius:16px;background:var(--gradient);color:#fff;font-weight:850;cursor:pointer}button:disabled{opacity:.35;cursor:not-allowed}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}.form-grid label{font-size:12px;font-weight:800;color:#dce4f6}.form-grid input{display:block;width:100%;margin-top:8px;padding:14px 15px;border:1px solid var(--border);border-radius:14px;background:#0a0f20;color:#fff;outline:none}.form-grid input:focus{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(24,224,255,.08)}.wide{grid-column:1/-1}.actions{display:flex;justify-content:space-between;align-items:center;margin-top:10px}.actions a{color:var(--muted);text-decoration:none}.alert{padding:14px;border:1px solid rgba(255,77,109,.3);background:rgba(255,77,109,.1);color:#ffc1cc;border-radius:15px;margin-bottom:20px}.complete{text-align:center;padding:20px}.complete>span{width:72px;height:72px;border-radius:24px;display:grid;place-items:center;margin:0 auto 20px;background:rgba(39,224,163,.12);color:var(--success);font-size:34px}.complete .button{text-decoration:none;margin-top:15px}footer{text-align:center;color:#5f6b84;font-size:12px;margin:22px}@media(max-width:640px){body{padding:14px}header img{width:150px}.installer-card{padding:27px 20px}.form-grid{grid-template-columns:1fr}.wide{grid-column:auto}.requirements>div{grid-template-columns:34px 1fr}.requirements small{grid-column:2}h1{font-size:31px}}
