:root{--siu-bg:#0b0f17;--siu-surface:#11161f;--siu-surface-2:#161c27;--siu-line:rgba(148,163,184,0.16);--siu-line-strong:rgba(148,163,184,0.3);--siu-ink:#e2e8f0;--siu-ink-muted:#94a3b8;--siu-danger:#ef4444;--siu-danger-soft:rgba(239,68,68,0.1);--siu-good:#22c55e;--siu-radius:8px;--siu-radius-sm:6px;--siu-font:-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif}.siu-shell{width:100%;max-width:380px;margin:0 auto;font-family:var(--siu-font);color:var(--siu-ink)}.siu-card{background:var(--siu-surface);border:1px solid var(--siu-line);border-radius:var(--siu-radius);padding:24px;gap:16px}.siu-brand,.siu-card{display:flex;flex-direction:column}.siu-brand{align-items:center;gap:8px;margin-bottom:8px}.siu-brand-logo{display:flex;align-items:center;gap:10px}.siu-brand-name{font-size:16px;font-weight:700;letter-spacing:-.01em}.siu-brand-tagline{font-size:12px;color:var(--siu-ink-muted);text-align:center}.siu-title{font-size:18px;font-weight:700;margin:0;letter-spacing:-.01em}.siu-subtitle{font-size:13px;color:var(--siu-ink-muted);margin:0;line-height:1.5}.siu-field{display:flex;flex-direction:column;gap:6px}.siu-label{font-size:11px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--siu-ink-muted)}.siu-input{width:100%;box-sizing:border-box;padding:9px 12px;border-radius:var(--siu-radius-sm);border:1px solid var(--siu-line-strong);background:var(--siu-surface-2);color:var(--siu-ink);font-size:13px;font-family:inherit}.siu-input:focus{outline:none;border-color:var(--siu-accent,#6366f1);box-shadow:0 0 0 3px var(--siu-accent-soft,rgba(99,102,241,.18))}.siu-input:disabled{opacity:.6;cursor:not-allowed}.siu-hint{font-size:11.5px;color:var(--siu-ink-muted)}.siu-field-error{font-size:11.5px;color:var(--siu-danger)}.siu-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 14px;border-radius:var(--siu-radius-sm);border:1px solid var(--siu-line-strong);background:var(--siu-surface);color:var(--siu-ink);font-size:13px;font-weight:600;font-family:inherit;cursor:pointer;transition:background .12s,border-color .12s}.siu-button:hover:not(:disabled){background:var(--siu-surface-2)}.siu-button:disabled{opacity:.5;cursor:not-allowed}.siu-button-primary{background:var(--siu-accent,#6366f1);border-color:var(--siu-accent,#6366f1);color:white}.siu-button-primary:hover:not(:disabled){filter:brightness(1.08);background:var(--siu-accent,#6366f1)}.siu-button-block{width:100%}.siu-error-banner{font-size:12.5px;padding:9px 12px;border-radius:var(--siu-radius-sm);background:var(--siu-danger-soft);color:var(--siu-danger);border:1px solid rgba(239,68,68,.25)}.siu-divider{display:flex;align-items:center;gap:10px;font-size:11px;color:var(--siu-ink-muted);letter-spacing:.05em;text-transform:uppercase;margin:4px 0}.siu-divider:after,.siu-divider:before{content:"";flex:1;height:1px;background:var(--siu-line)}.siu-link{color:var(--siu-accent,#6366f1);text-decoration:none;font-size:12.5px;font-weight:500;cursor:pointer;background:none;border:none;padding:0;font-family:inherit}.siu-link:hover{text-decoration:underline}.siu-meta-row{display:flex;justify-content:space-between;align-items:center;font-size:12px}.siu-success{font-size:13px;padding:12px 14px;border-radius:var(--siu-radius-sm);background:rgba(34,197,94,.1);color:var(--siu-good);border:1px solid rgba(34,197,94,.3);line-height:1.5}