:root{--navy:#0f172a;--blue:#2563eb;--violet:#7c3aed;--ink:#1e293b;--muted:#64748b;--line:#e2e8f0;--bg:#f8fafc;--err:#dc2626;--ok:#16a34a}
*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:#fff;line-height:1.5}
a{color:var(--blue)}
.auth-wrap{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#eef2ff,#f5f3ff);padding:24px}
.auth-card{width:100%;max-width:420px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px;box-shadow:0 10px 30px rgba(15,23,42,.08)}
.auth-card h1{margin:0 0 4px;font-size:1.5rem;color:var(--navy)}.auth-card p.sub{margin:0 0 24px;color:var(--muted)}
label{display:block;font-weight:600;font-size:.9rem;margin:14px 0 6px}
input[type=text],input[type=email],input[type=password],input[type=tel],input[type=number],input[type=url],select,textarea{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;font:inherit}
input:focus,select:focus,textarea:focus{outline:2px solid #c7d2fe;border-color:var(--blue)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;border:0;border-radius:10px;background:linear-gradient(135deg,var(--blue),var(--violet));color:#fff;font-weight:600;cursor:pointer;width:100%;margin-top:20px;font-size:1rem}
.btn[disabled]{opacity:.65;cursor:progress}
.field-error{color:var(--err);font-size:.85rem;margin-top:4px}
.alert{padding:12px 14px;border-radius:10px;margin-bottom:16px;font-size:.92rem}.alert-error{background:#fef2f2;color:var(--err)}.alert-ok{background:#f0fdf4;color:var(--ok)}
.links{margin-top:18px;font-size:.9rem;display:flex;justify-content:space-between}
code.secret{display:block;padding:10px;background:var(--bg);border-radius:8px;font-size:1.05rem;letter-spacing:2px;word-break:break-all}

a.btn{text-decoration:none;color:#fff}
.topbar nav a.btn{color:#fff}
a.btn.btn-ghost{color:var(--navy)}