:root{--ink:#18233B;--violet:#6558E8;--violet-2:#8B81F5;--muted:#6b7385;--line:#e6e8ef;--bg:#f4f5fa}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;background:radial-gradient(1200px 600px at 50% -10%,#eae8fb 0%,var(--bg) 55%);min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;color:var(--ink)}
.card{width:100%;max-width:400px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px 32px 30px;box-shadow:0 24px 60px -28px rgba(24,35,59,.35)}
.brand{display:flex;flex-direction:column;align-items:center;gap:8px;margin-bottom:8px}
.brand img{height:44px;width:auto}
.brand h1{font-size:20px;margin:4px 0 0;letter-spacing:.2px}
.brand p{margin:0;color:var(--muted);font-size:13px}
h2{font-size:18px;margin:22px 0 4px}
.sub{color:var(--muted);font-size:13.5px;margin:0 0 20px}
label{display:block;font-size:12.5px;font-weight:600;letter-spacing:.3px;margin:0 0 6px;color:#3a4358}
input{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;font-size:15px;background:#fbfbfd;transition:border-color .15s,box-shadow .15s}
input:focus{outline:none;border-color:var(--violet);box-shadow:0 0 0 3px rgba(101,88,232,.14)}
.field{margin-bottom:14px}
button.primary{width:100%;padding:12px;border:0;border-radius:10px;background:linear-gradient(180deg,var(--violet-2),var(--violet));color:#fff;font-size:15px;font-weight:600;cursor:pointer;margin-top:6px;transition:filter .15s}
button.primary:hover{filter:brightness(1.05)}
.error{background:#fdecec;border:1px solid #f5c6c6;color:#a32323;font-size:13px;border-radius:10px;padding:10px 12px;margin:0 0 16px}
.foot{margin-top:22px;text-align:center;color:var(--muted);font-size:12px;line-height:1.5}
.foot b{color:var(--ink)}
.success{background:#e7f4e9;border:1px solid #bfe0c4;color:#256b2f;font-size:13px;border-radius:10px;padding:12px;margin:0 0 16px}
.success a,.foot a{color:#6558E8;text-decoration:none;font-weight:600}
.success a:hover,.foot a:hover{text-decoration:underline}