:root{--blue:#4966AB;--green:#82B45A;--ink:#172033;--muted:#7d889b;--line:#e6ebf2;--bg:#f3f6fb;--card:#fff;--danger:#c9425b}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 15% 5%,#eef7ef,transparent 28%),radial-gradient(circle at 90% 10%,#edf2ff,transparent 25%),var(--bg);font:14px/1.5 Inter,system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink)}.installer{width:min(760px,calc(100% - 32px));margin:48px auto}.installer.login{width:min(520px,calc(100% - 32px));margin-top:8vh}.logo{width:190px;display:block;margin:0 auto 24px}.card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:34px;box-shadow:0 22px 60px rgba(38,52,83,.09)}.eyebrow{font-weight:800;letter-spacing:.12em;font-size:11px;color:var(--blue)}h1{font-size:32px;letter-spacing:-.035em;margin:8px 0 6px}h2{font-size:16px;margin:25px 0 10px}.lead{color:var(--muted);margin-top:0}.checks{display:grid;gap:8px;margin:24px 0}.checks>div{display:grid;grid-template-columns:28px 1fr auto;align-items:center;border:1px solid var(--line);border-radius:10px;padding:10px 12px}.checks span{color:var(--green);font-weight:900}.checks em{font-style:normal;color:var(--muted);font-size:12px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}label{display:block;font-weight:650;margin:10px 0}input{width:100%;margin-top:6px;padding:12px 13px;border:1px solid #d8e0ea;border-radius:9px;font:inherit;outline:none}input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(73,102,171,.11)}small{display:block;color:var(--muted);font-weight:400;margin-top:4px}.btn{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--blue),#5c79c3);color:#fff;text-decoration:none;border:0;border-radius:10px;padding:13px 18px;font-weight:800;margin-top:18px;cursor:pointer;box-shadow:0 10px 24px rgba(73,102,171,.22)}form .btn{width:100%}.alert,.success{border-radius:10px;padding:12px 14px;margin:16px 0}.alert{background:#fff1f3;color:#9c2e43;border:1px solid #ffd7de}.success{display:flex;flex-direction:column;background:#effaf0;color:#356c32;border:1px solid #d8f0d5}.link{display:inline-block;margin-top:18px;color:var(--blue);text-decoration:none}.footer{text-align:center;color:var(--muted);font-size:12px}.footer a{color:var(--ink);font-weight:700;text-decoration:none}.footer::first-letter{color:var(--green)}@media(max-width:640px){.grid{grid-template-columns:1fr}.card{padding:24px}.installer{margin-top:24px}h1{font-size:27px}}