:root{color-scheme:light dark;--bg:#ffffff;--bg-subtle:#f6f7f9;--bg-elevated:#ffffff;--text:#1a1d23;--text-muted:#6b7280;--border:#e2e5ea;--border-strong:#c7cbd3;--accent:#4f46e5;--accent-hover:#4338ca;--accent-text:#ffffff;--success:#15803d;--success-bg:#f0fdf4;--success-border:#bbf7d0;--danger:#b91c1c;--danger-bg:#fef2f2;--danger-border:#fecaca;--warning:#92400e;--warning-bg:#fffbeb;--warning-border:#fde68a;--radius:8px;--shadow:0 1px 2px rgba(16,24,40,0.06),0 1px 3px rgba(16,24,40,0.08)}@media (prefers-color-scheme:dark){:root{--bg:#0f1115;--bg-subtle:#161922;--bg-elevated:#1a1e27;--text:#e6e8eb;--text-muted:#9aa1ad;--border:#2a2f3a;--border-strong:#3a4150;--accent:#818cf8;--accent-hover:#a5b0f8;--accent-text:#14162a;--success:#4ade80;--success-bg:#0f2318;--success-border:#1f4a2f;--danger:#f87171;--danger-bg:#2a1414;--danger-border:#522020;--warning:#fbbf24;--warning-bg:#2a2110;--warning-border:#52401d;--shadow:0 1px 2px rgba(0,0,0,0.3),0 1px 3px 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3rem}}.auth-shell{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:1.5rem;background:radial-gradient(circle at 20% 15%,color-mix(in srgb,var(--accent) 12%,transparent),transparent 45%),var(--bg)}.auth-card{width:100%;max-width:360px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);padding:2rem}.auth-card h1{font-size:1.3rem;margin-bottom:.25rem}.auth-card .auth-subtitle{color:var(--text-muted);font-size:.9rem;margin-bottom:1.5rem}.auth-card form{gap:1rem}.auth-card form,.auth-card label{display:flex;flex-direction:column}.auth-card label{gap:.35rem}.auth-card button{margin-top:.25rem;padding:.6rem 1rem}