:root{--color-brand-50: #eff7ff;--color-brand-100: #dbeafe;--color-brand-200: #bfdbfe;--color-brand-300: #93c5fd;--color-brand-400: #60a5fa;--color-brand-500: #3b82f6;--color-brand-600: #2563eb;--color-brand-700: #1d4ed8;--color-brand-800: #1e40af;--color-brand-900: #1e3a8a;--color-admin-500: #ef4444;--color-admin-600: #dc2626;--color-admin-700: #b91c1c;--color-success-500: #10b981;--color-success-600: #059669;--color-success-bg: #ecfdf5;--color-warning-500: #f59e0b;--color-warning-600: #d97706;--color-warning-bg: #fffbeb;--color-error-500: #ef4444;--color-error-600: #dc2626;--color-error-bg: #fef2f2;--color-gray-50: #f9fafb;--color-gray-100: #f3f4f6;--color-gray-200: #e5e7eb;--color-gray-300: #d1d5db;--color-gray-400: #9ca3af;--color-gray-500: #6b7280;--color-gray-600: #4b5563;--color-gray-700: #374151;--color-gray-800: #1f2937;--color-gray-900: #111827;--color-bg-page: var(--color-gray-50);--color-bg-surface: #ffffff;--color-bg-subtle: var(--color-gray-100);--color-fg-primary: var(--color-gray-900);--color-fg-secondary: var(--color-gray-700);--color-fg-muted: var(--color-gray-500);--color-fg-disabled: var(--color-gray-400);--color-border: var(--color-gray-200);--color-border-strong: var(--color-gray-300);--color-primary: var(--color-brand-600);--color-primary-hover: var(--color-brand-700);--color-on-primary: #ffffff;--space-0: 0;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--space-16: 64px;--space-20: 80px;--space-24: 96px;--radius-none: 0;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-2xl: 24px;--radius-full: 9999px;--shadow-none: none;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .08), 0 2px 4px -2px rgb(0 0 0 / .04);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .08), 0 4px 6px -4px rgb(0 0 0 / .04);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .05);--shadow-focus: 0 0 0 3px rgb(37 99 235 / .15);--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: "SF Mono", Monaco, Consolas, "Courier New", monospace;--text-xs: 11px;--text-sm: 13px;--text-base: 14px;--text-md: 16px;--text-lg: 18px;--text-xl: 22px;--text-2xl: 28px;--text-3xl: 36px;--text-4xl: 48px;--leading-tight: 1.2;--leading-normal: 1.5;--leading-relaxed: 1.7;--weight-regular: 400;--weight-medium: 500;--weight-semi: 600;--weight-bold: 700;--transition-fast: .12s ease-out;--transition-base: .2s ease-out;--z-dropdown: 100;--z-sticky: 200;--z-overlay: 300;--z-modal: 400;--z-toast: 500;--z-tooltip: 600}*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0}html{font-size:var(--text-base);line-height:var(--leading-normal);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}body{font-family:var(--font-sans);color:var(--color-fg-primary);background:var(--color-bg-page);min-height:100vh}#root{min-height:100vh}h1,h2,h3,h4,h5,h6{margin:0;font-weight:var(--weight-semi);line-height:var(--leading-tight);color:var(--color-fg-primary)}h1{font-size:var(--text-2xl)}h2{font-size:var(--text-xl)}h3{font-size:var(--text-lg)}h4{font-size:var(--text-md)}p{margin:0}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}a:focus-visible{outline:none;box-shadow:var(--shadow-focus);border-radius:var(--radius-sm)}button{font:inherit;cursor:pointer}button:focus-visible{outline:none;box-shadow:var(--shadow-focus)}button:disabled{cursor:not-allowed;opacity:.6}input,select,textarea{font:inherit;color:inherit}input:focus-visible,select:focus-visible,textarea:focus-visible{outline:none;box-shadow:var(--shadow-focus)}img{max-width:100%;height:auto}ul,ol{margin:0;padding:0;list-style:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.kui-btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);border:1px solid transparent;border-radius:var(--radius-md);font-size:var(--text-base);font-weight:var(--weight-semi);line-height:var(--leading-tight);cursor:pointer;transition:background var(--transition-fast),border-color var(--transition-fast),color var(--transition-fast);text-decoration:none;-webkit-user-select:none;user-select:none}.kui-btn--primary{background:var(--color-primary);color:var(--color-on-primary);border-color:var(--color-primary)}.kui-btn--primary:hover:not(:disabled){background:var(--color-primary-hover);border-color:var(--color-primary-hover)}.kui-btn--secondary{background:var(--color-bg-surface);color:var(--color-fg-primary);border-color:var(--color-border-strong)}.kui-btn--secondary:hover:not(:disabled){background:var(--color-bg-subtle)}.kui-btn--ghost{background:transparent;color:var(--color-fg-secondary);border-color:transparent}.kui-btn--ghost:hover:not(:disabled){background:var(--color-bg-subtle)}.kui-btn--danger{background:var(--color-error-500);color:#fff;border-color:var(--color-error-500)}.kui-btn--danger:hover:not(:disabled){background:var(--color-error-600);border-color:var(--color-error-600)}.kui-btn--sm{padding:var(--space-1) var(--space-3);font-size:var(--text-sm)}.kui-btn--lg{padding:var(--space-3) var(--space-6);font-size:var(--text-md)}.kui-card{background:var(--color-bg-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-6)}.kui-card--elevated{border:none;box-shadow:var(--shadow-md)}.kui-card--flat{border:none;background:var(--color-bg-subtle)}.kui-badge{display:inline-flex;align-items:center;gap:var(--space-1);padding:2px var(--space-2);font-size:var(--text-xs);font-weight:var(--weight-semi);border-radius:var(--radius-full);background:var(--color-bg-subtle);color:var(--color-fg-secondary);border:1px solid var(--color-border)}.kui-badge--success{background:var(--color-success-bg);color:var(--color-success-600);border-color:var(--color-success-500)}.kui-badge--warning{background:var(--color-warning-bg);color:var(--color-warning-600);border-color:var(--color-warning-500)}.kui-badge--error{background:var(--color-error-bg);color:var(--color-error-600);border-color:var(--color-error-500)}.kui-badge--brand{background:var(--color-brand-50);color:var(--color-brand-700);border-color:var(--color-brand-200)}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;min-height:100%;background:#f5f5f7;color:#111;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}button{font-size:1rem;cursor:pointer}a{color:#0366d6}input,select{font:inherit}.app-shell{display:flex;min-height:100vh;background:#f5f5f7}.app-sidebar{width:240px;flex-shrink:0;background:#fff;border-right:1px solid #e0e0e0;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.app-sidebar-brand{display:flex;align-items:center;gap:10px;padding:20px 16px;border-bottom:1px solid #e0e0e0}.app-sidebar-logo{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,#c92a2a,#fa5252);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px}.app-sidebar-brand-name{font-weight:700;font-size:15px;color:#1a1a1a;line-height:1.2}.app-sidebar-brand-sub{font-size:11px;color:#c92a2a;font-weight:600;letter-spacing:.5px;line-height:1.2}.app-sidebar-nav{flex:1;padding:12px 8px;display:flex;flex-direction:column;gap:2px;overflow-y:auto}.app-sidebar-link{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;color:#1a1a1a;text-decoration:none;font-size:14px;font-weight:500;transition:background .12s}.app-sidebar-link:hover{background:#f1f3f5}.app-sidebar-link.is-active{background:#fff5f5;color:#c92a2a;font-weight:600}.app-sidebar-icon{font-size:16px;width:20px;text-align:center}.app-sidebar-footer{padding:12px 8px;border-top:1px solid #e0e0e0}.app-sidebar-user{font-size:11px;color:#666;padding:4px 12px 8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.app-sidebar-logout{display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;border:none;background:none;border-radius:8px;color:#666;font-size:14px;cursor:pointer;text-align:left;transition:background .12s,color .12s}.app-sidebar-logout:hover{background:#fff1f0;color:#c92a2a}.app-main{flex:1;min-width:0;overflow-x:hidden}@media (max-width: 720px){.app-shell{flex-direction:column}.app-sidebar{width:100%;height:auto;position:static;flex-direction:row;border-right:none;border-bottom:1px solid #e0e0e0}.app-sidebar-brand{border-bottom:none;border-right:1px solid #e0e0e0;padding:12px 14px}.app-sidebar-nav{flex-direction:row;overflow-x:auto;overflow-y:hidden;padding:8px;gap:4px}.app-sidebar-link{flex-direction:column;gap:2px;padding:8px 10px;font-size:11px;min-width:64px;text-align:center}.app-sidebar-footer{border-top:none;border-left:1px solid #e0e0e0;padding:8px;display:flex;align-items:center;gap:8px}.app-sidebar-user{display:none}}