:root{
  --euclid-bg:#090d16;--euclid-card:#0f172a;--euclid-card2:#111c31;--euclid-line:#334155;
  --euclid-text:#f8fafc;--euclid-muted:#94a3b8;--euclid-primary:#38bdf8;--euclid-primary-dark:#0284c7;--euclid-gold:#fbbf24;
}
*{box-sizing:border-box}body.euclid-auth-page{margin:0;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;background:radial-gradient(circle at top,#14213a 0,#090d16 48%);color:var(--euclid-text);display:grid;place-items:center;padding:24px}.euclid-auth-card{width:min(100%,440px);background:rgba(15,23,42,.96);border:1px solid var(--euclid-line);border-radius:18px;padding:30px;box-shadow:0 18px 60px rgba(0,0,0,.38)}.euclid-auth-brand{font-weight:900;letter-spacing:-.035em;font-size:24px}.euclid-auth-lab{color:var(--euclid-primary);font-weight:700;font-size:12px;letter-spacing:.08em;margin-top:3px;margin-bottom:27px}.euclid-auth-card h1{font-size:25px;margin:0 0 8px}.euclid-auth-card .lead{color:var(--euclid-muted);margin:0 0 22px;line-height:1.65}.euclid-field{display:grid;gap:7px;margin:14px 0}.euclid-field label{font-size:14px;font-weight:750}.euclid-field input{width:100%;border:1px solid var(--euclid-line);border-radius:10px;padding:12px 13px;font-size:15px;background:#111827;color:#fff}.euclid-field input:focus{outline:3px solid rgba(56,189,248,.13);border-color:var(--euclid-primary)}.euclid-button{width:100%;border:0;border-radius:11px;background:var(--euclid-primary-dark);color:#fff;padding:13px 16px;font-size:15px;font-weight:850;cursor:pointer;margin-top:10px}.euclid-button:hover{background:#0369a1}.euclid-button:disabled{opacity:.55;cursor:wait}.euclid-button.danger{background:#7f1d1d}.euclid-button.danger:hover{background:#991b1b}.euclid-message{min-height:22px;margin-top:10px;color:#fca5a5;font-size:13px;line-height:1.5}.euclid-note{font-size:12px;line-height:1.6;color:var(--euclid-muted);margin-top:15px}.euclid-auth-links{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:22px;padding-top:18px;border-top:1px solid #1e293b}.euclid-auth-links a{color:var(--euclid-primary);text-decoration:none;font-size:13px;font-weight:700}.euclid-auth-links a:hover{text-decoration:underline}.euclid-divider{height:1px;background:#1e293b;margin:24px 0}.euclid-danger-zone{border:1px solid rgba(248,113,113,.25);background:rgba(127,29,29,.12);border-radius:12px;padding:16px;margin-top:20px}.euclid-danger-zone h2{font-size:16px;margin:0 0 6px}.euclid-danger-zone p{font-size:13px;color:#cbd5e1;line-height:1.6;margin:0 0 12px}
.euclid-history{margin:26px 0 10px;padding-top:20px;border-top:1px solid rgba(148,163,184,.22)}
.euclid-history h2{font-size:16px;margin:0 0 12px}.euclid-history-list{display:grid;gap:8px}.euclid-history-item{display:block;padding:11px 12px;border:1px solid rgba(148,163,184,.2);border-radius:10px;text-decoration:none;background:rgba(15,23,42,.45)}.euclid-history-item strong{display:block;color:#e2e8f0;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.euclid-history-item span{display:block;color:#94a3b8;font-size:11px;margin-top:4px}.euclid-history-item:hover{border-color:#38bdf8}


.euclid-password-wrap{position:relative;display:flex;align-items:center}
.euclid-password-wrap input{padding-right:72px}
.euclid-password-toggle{position:absolute;right:7px;top:50%;transform:translateY(-50%);border:1px solid rgba(148,163,184,.28);border-radius:8px;background:#1e293b;color:#cbd5e1;padding:6px 9px;font-size:12px;font-weight:800;cursor:pointer}
.euclid-password-toggle:hover{color:#fff;border-color:#38bdf8}
.euclid-message.info{color:#bae6fd;background:rgba(14,116,144,.16);border:1px solid rgba(56,189,248,.25);border-radius:9px;padding:9px 10px}
.euclid-message a{color:#7dd3fc;font-weight:850;text-decoration:underline}
.euclid-button.secondary{background:#1e293b;border:1px solid #334155}.euclid-button.secondary:hover{background:#334155}
.euclid-my-card{width:min(100%,760px)}
.euclid-profile{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0}
.euclid-profile>div{padding:13px 14px;border:1px solid rgba(148,163,184,.18);border-radius:11px;background:rgba(15,23,42,.55)}
.euclid-profile span{display:block;color:#94a3b8;font-size:11px;margin-bottom:4px}.euclid-profile strong{display:block;color:#e2e8f0;font-size:14px;overflow-wrap:anywhere}
.euclid-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:12px 0 6px}.euclid-stat{padding:15px;border:1px solid rgba(56,189,248,.22);border-radius:12px;background:rgba(14,116,144,.08)}.euclid-stat strong{display:block;color:#e0f2fe;font-size:25px;line-height:1.1}.euclid-stat span{display:block;color:#94a3b8;font-size:12px;margin-top:5px}
.euclid-history-head h2{margin-bottom:4px}.euclid-history-head p{margin:0 0 13px;color:#94a3b8;font-size:12px;line-height:1.55}
.euclid-empty-history{padding:18px;border:1px dashed rgba(148,163,184,.28);border-radius:11px;color:#94a3b8;text-align:center;font-size:13px}
@media(max-width:560px){.euclid-auth-card{padding:24px 18px}.euclid-profile,.euclid-stats{grid-template-columns:1fr}.euclid-password-toggle{right:6px}}