:root{--primary:#4f46e5;--primary-hover:#4338ca;--secondary:#f59e0b;--accent:#10b981;--background:#f3f4f6;--surface:#fff;--text-main:#111827;--text-secondary:#4b5563;--text-muted:#9ca3af;--border:#e5e7eb;--danger:#ef4444;--success:#10b981;--warning:#f59e0b;--spacing-xs:.25rem;--spacing-sm:.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;--sidebar-width:280px;--header-height:64px;--radius-sm:.375rem;--radius-md:.5rem;--radius-lg:1rem;--radius-full:9999px;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--background);color:var(--text-main);-webkit-font-smoothing:antialiased;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif}a{color:inherit;text-decoration:none}.container{max-width:1200px;padding:0 var(--spacing-md);margin:0 auto}.btn{border-radius:var(--radius-md);cursor:pointer;border:none;justify-content:center;align-items:center;padding:.5rem 1rem;font-size:.95rem;font-weight:500;transition:all .2s;display:inline-flex}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.card{background:var(--surface);border-radius:var(--radius-lg);padding:var(--spacing-lg);box-shadow:var(--shadow-sm);border:1px solid var(--border)}