:root{--brand:#2459f5;--dk:#1b45c4;--ink:#0f172a;--mut:#5b6678;--line:#e4e9f2}
body{font-family:Inter,sans-serif;color:var(--ink);min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:radial-gradient(900px 380px at 85% -10%,#dbe6ff,transparent),#f5f8ff}
.auth-card{width:100%;max-width:420px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:2rem;box-shadow:0 24px 60px -28px rgba(36,89,245,.35)}
.auth-brand{display:flex;align-items:center;justify-content:center;gap:.6rem;font-weight:800;font-size:1.4rem;letter-spacing:-.02em;margin-bottom:.5rem}
.auth-brand img{height:34px}
.auth-card h1{font-size:1.25rem;font-weight:700;text-align:center;margin-bottom:.25rem}
.auth-sub{color:var(--mut);text-align:center;font-size:.9rem;margin-bottom:1.5rem}
.form-label{font-weight:600;font-size:.88rem}
.form-control{border-radius:10px;padding:.7rem .9rem;border-color:var(--line)}
.form-control:focus{border-color:var(--brand);box-shadow:0 0 0 .2rem rgba(36,89,245,.2)}
.btn-brand{background:var(--brand);color:#fff;border:0;border-radius:10px;font-weight:600;padding:.75rem}
.btn-brand:hover{background:var(--dk);color:#fff}
.auth-card a{color:var(--brand);text-decoration:none;font-weight:500}
.auth-card a:hover{color:var(--dk)}
.auth-foot{text-align:center;font-size:.88rem;margin:1.25rem 0 0;color:var(--mut)}