:root{--or:#E8620A;--or2:#C94F06;--dk:#111827;--dk2:#182234;--tx:#f8fafc;--mut:#94a3b8;--red:#D63B3B;--green:#1E9B6B;--r:12px}
*{box-sizing:border-box}body{margin:0;min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at top,#263247 0,#111827 48%,#0b1020 100%);font-family:Arial,Helvetica,sans-serif;color:var(--tx);padding:18px}
.card{width:100%;max-width:460px;background:rgba(24,34,52,.96);border:1px solid rgba(255,255,255,.08);border-radius:18px;padding:30px;box-shadow:0 20px 80px rgba(0,0,0,.35)}
.card.wide{max-width:720px}.brand,h1{font-size:1.55rem;font-weight:800;text-align:center;margin:0 0 7px}.sub{text-align:center;color:var(--mut);font-size:.88rem;margin-bottom:24px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{margin-bottom:14px}.label{display:block;font-size:.73rem;text-transform:uppercase;letter-spacing:.08em;color:var(--mut);font-weight:700;margin-bottom:7px}
input{width:100%;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--r);padding:13px 14px;color:#fff;font-size:.95rem;outline:none}input:focus{border-color:var(--or)}
.btn{width:100%;border:0;border-radius:var(--r);padding:13px 14px;background:var(--or);color:#fff;font-weight:800;font-size:.95rem;cursor:pointer}.btn:hover{background:var(--or2)}
.msg{border-radius:var(--r);padding:11px 13px;margin-bottom:14px;font-size:.86rem}.err{background:rgba(214,59,59,.16);border:1px solid rgba(214,59,59,.35);color:#fecaca}.ok{background:rgba(30,155,107,.16);border:1px solid rgba(30,155,107,.35);color:#bbf7d0}.setup,.link{display:block;text-align:center;margin-top:14px;color:#ffb380;text-decoration:none;font-size:.86rem}.hint{margin-top:18px;color:var(--mut);font-size:.78rem;line-height:1.55;text-align:center}
fieldset{border:1px solid rgba(255,255,255,.12);border-radius:14px;margin:0 0 18px;padding:16px}legend{color:#ffb380;font-weight:800;font-size:.9rem;padding:0 8px}@media(max-width:680px){.grid{grid-template-columns:1fr}.card{padding:24px}}