:root{ --bg:#0f172a; --card:#0b1220; --accent:#06b6d4; --muted:#94a3b8; }
*{box-sizing:border-box}
html,body{height:100%;margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial}
body{background:linear-gradient(180deg,#071024 0%, #071733 60%);display:flex;align-items:center;justify-content:center;color:#e6eef6}
.centered{width:100%;max-width:420px;padding:20px}
.card{background:linear-gradient(180deg,rgba(255,255,255,0.03), rgba(255,255,255,0.02));border-radius:14px;padding:28px;box-shadow:0 10px 30px rgba(2,6,23,0.6);backdrop-filter: blur(6px);}
.brand{font-weight:700;color:var(--accent);font-size:14px}
.title{margin:8px 0 4px;font-size:22px}
.muted{color:var(--muted);margin-bottom:12px}
.field{display:block;margin-bottom:12px}
.field input{width:100%;padding:12px 14px;border-radius:10px;border:1px solid rgba(255,255,255,0.08);background:transparent;color:inherit;font-size:15px;outline:none}
.field input:focus{border-color:rgba(255,255,255,0.2)}
.btn{width:100%;padding:12px;border-radius:10px;border:0;background:linear-gradient(90deg,var(--accent),#3b82f6);color:#012;text-transform:uppercase;font-weight:700;letter-spacing:.8px;cursor:pointer}
.errors{background:#63171b;padding:8px;border-radius:8px;color:#ffd6d0;margin-bottom:12px}
.small{font-size:13px;color:var(--muted);margin-top:14px}