:root{--color-bg:#f7fafc;--color-surface:#fff;--color-border:#e2e8f0;--color-text:#2d3748;--color-muted:#718096;--color-primary:#2b6cb0;--color-primary-d:#1a365d;--color-success:#276749;--color-warning:#b7791f;--color-danger:#c53030;--sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-6:24px;--sp-8:32px;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--shadow-card:0 1px 3px #00000014, 0 1px 2px #0000000a;--shadow-elevated:0 4px 12px #0000001a, 0 2px 4px #0000000f;color:var(--color-text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility;font-family:system-ui,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.5}*,:before,:after{box-sizing:border-box}body{background:var(--color-bg);margin:0}#root{flex-direction:column;width:100%;min-height:100vh;display:flex}h1,h2,h3,h4{color:var(--color-primary-d);margin:0;font-weight:600;line-height:1.3}p{margin:0}button{font-family:inherit}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#cbd5e0;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#a0aec0}@keyframes spin{to{transform:rotate(360deg)}}.spinner{border:3px solid #e2e8f0;border-top-color:#2b6cb0;border-radius:50%;width:28px;height:28px;animation:.7s linear infinite spin}.loading-center{color:#718096;flex-direction:column;justify-content:center;align-items:center;gap:.75rem;padding:3rem;font-size:.875rem;display:flex}.empty-state{color:#718096;flex-direction:column;justify-content:center;align-items:center;gap:.5rem;padding:2.5rem 1rem;font-size:.875rem;display:flex}.empty-state-icon{opacity:.45;font-size:2rem}tbody tr{transition:background .1s}tbody tr:hover{background:#f8fafc!important}nav a:hover{color:#fff!important;background:#ffffff1a!important}input:focus,select:focus,textarea:focus{outline:none;border-color:#2b6cb0!important;box-shadow:0 0 0 3px #2b6cb01f!important}button:not(:disabled):active{transform:scale(.98)}button:disabled{opacity:.5;cursor:not-allowed!important}