:root{--bg-primary:#f5f5f5;--bg-secondary:#ffffff;--text-primary:#1f2937;--text-secondary:#6b7280;--text-muted:#9ca3af;--accent:#4f46e5;--accent-hover:#4338ca;--accent-light:#eef2ff;--border:#e5e7eb;--shadow:0 1px 3px rgba(0,0,0,0.1);--shadow-lg:0 4px 6px rgba(0,0,0,0.1)}[data-theme=dark]{--bg-primary:#0f0f12;--bg-secondary:#18181b;--text-primary:#f4f4f5;--text-secondary:#a1a1aa;--text-muted:#71717a;--accent:#6366f1;--accent-hover:#818cf8;--accent-light:#1e1b4b;--border:#27272a;--shadow:0 1px 3px rgba(0,0,0,0.3);--shadow-lg:0 4px 6px rgba(0,0,0,0.4)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.5}.container{max-width:600px;margin:2rem auto;padding:0 1rem}.card{background:var(--bg-secondary);padding:2rem;border-radius:.75rem;box-shadow:var(--shadow)}.title{font-size:1.5rem;font-weight:700;color:var(--text-primary);margin-bottom:.5rem}.subtitle{color:var(--text-secondary);margin-bottom:1rem}.description{color:var(--text-secondary);font-size:.95rem;margin-bottom:1.5rem}.btn{display:inline-block;padding:.75rem 1.5rem;border:none;border-radius:.5rem;cursor:pointer;font-size:1rem;font-weight:500;text-decoration:none;text-align:center;transition:all .2s ease}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-full{width:100%}.loading{text-align:center;padding:3rem;color:var(--text-secondary)}.error{text-align:center;padding:2rem;color:#ef4444}.error-card{background:var(--bg-secondary);border-radius:.75rem;padding:2rem;text-align:center}.text-center{text-align:center}.text-muted{color:var(--text-muted)}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}