:root{--primary-50: #eff6ff;--primary-100: #dbeafe;--primary-200: #bfdbfe;--primary-300: #93c5fd;--primary-400: #60a5fa;--primary-500: #3b82f6;--primary-600: #2563eb;--primary-700: #1d4ed8;--primary-800: #1e40af;--primary-900: #1e3a8a;--neutral-50: #f8fafc;--neutral-100: #f1f5f9;--neutral-200: #e2e8f0;--neutral-300: #cbd5e1;--neutral-400: #94a3b8;--neutral-500: #64748b;--neutral-600: #475569;--neutral-700: #334155;--neutral-800: #1e293b;--neutral-900: #0f172a;--danger-50: #fff1f2;--danger-100: #ffe4e6;--danger-500: #f43f5e;--danger-600: #e11d48;--danger-700: #be123c;--success-500: #10b981;--warning-500: #f59e0b;--radius-sm: .25rem;--radius-md: .375rem;--radius-lg: .5rem;--radius-xl: .75rem;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif}*{box-sizing:border-box}body{margin:0;font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--neutral-50);color:var(--neutral-800)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--neutral-300);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--neutral-400)}::selection{background-color:var(--primary-200);color:var(--primary-900)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .4s ease-out forwards}:root{--primary-50: #eef2ff;--primary-100: #e0e7ff;--primary-500: #6366f1;--primary-600: #4f46e5;--primary-700: #4338ca;--neutral-50: #f8fafc;--neutral-100: #f1f5f9;--neutral-200: #e2e8f0;--neutral-300: #cbd5e1;--neutral-800: #1e293b;--neutral-900: #0f172a;--danger-500: #ef4444;--success-500: #22c55e;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-6: 24px;--space-8: 32px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--radius-md: 6px;--radius-lg: 8px;--radius-xl: 12px;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif}body{font-family:var(--font-sans);background-color:var(--neutral-50);color:var(--neutral-900);line-height:1.5;margin:0}.card{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:var(--space-6);border:1px solid var(--neutral-100)}.message{padding:10px;border-radius:var(--radius-md);margin-bottom:20px;font-size:14px}.success-message{background-color:#dcfce7;color:#166534}.error-message{background-color:#fee2e2;color:#991b1b}.admin-layout{display:flex;height:100vh;width:100vw;background-color:var(--neutral-50);overflow:hidden}.sidebar{width:260px;background-color:#fff;border-right:1px solid var(--neutral-200);display:flex;flex-direction:column;flex-shrink:0;transition:width .3s ease}.sidebar-header{height:64px;display:flex;align-items:center;padding:0 24px;border-bottom:1px solid var(--neutral-100)}.sidebar-header h2{font-size:18px;font-weight:700;color:var(--primary-600);margin:0;display:flex;align-items:center;gap:8px}.sidebar-nav{padding:24px 16px;flex:1;overflow-y:auto}.nav-item{display:flex;align-items:center;gap:12px;padding:12px 16px;color:var(--neutral-800);text-decoration:none;font-size:14px;font-weight:500;border-radius:var(--radius-md);margin-bottom:4px;transition:all .2s}.nav-item:hover{background-color:var(--neutral-50);color:var(--primary-600)}.nav-item.active{background-color:var(--primary-50);color:var(--primary-600)}.sidebar-footer{padding:16px;border-top:1px solid var(--neutral-100)}.user-profile{display:flex;align-items:center;gap:12px;padding:12px;background:var(--neutral-50);border-radius:var(--radius-md);margin-bottom:12px}.user-avatar{width:32px;height:32px;background:var(--primary-100);color:var(--primary-600);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:14px}.user-info{flex:1;overflow:hidden}.username{font-size:14px;font-weight:600;color:var(--neutral-900);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.role-badge{font-size:12px;color:var(--neutral-500)}.logout-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:8px;padding:10px;background:#fff;border:1px solid var(--neutral-200);color:var(--danger-500);border-radius:var(--radius-md);cursor:pointer;font-size:14px;font-weight:500;transition:all .2s}.logout-btn:hover{background:var(--danger-500);color:#fff;border-color:var(--danger-500)}.main-area{flex:1;display:flex;flex-direction:column;overflow:hidden;position:relative}.top-bar{height:64px;background:#fff;border-bottom:1px solid var(--neutral-200);display:flex;align-items:center;justify-content:space-between;padding:0 32px;flex-shrink:0}.page-title h1{font-size:20px;font-weight:600;color:var(--neutral-900);margin:0}.top-actions{display:flex;gap:12px}.content-scroll{flex:1;overflow-y:auto;padding:32px;background-color:var(--neutral-50);display:flex;flex-direction:column}.page-card{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--neutral-200);padding:24px;min-height:400px}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px;margin-bottom:32px}.action-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius-md);font-size:14px;font-weight:500;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:all .2s}.btn-indigo{background-color:var(--primary-600);color:#fff}.btn-indigo:hover{background-color:var(--primary-700)}.btn-white{background-color:#fff;border-color:var(--neutral-200);color:var(--neutral-700)}.btn-white:hover{border-color:var(--neutral-300);background-color:var(--neutral-50)}.btn-danger-ghost{color:var(--danger-500);background:transparent}.btn-danger-ghost:hover{background:#fef2f2}.loading-overlay{position:absolute;inset:0;background:#ffffffb3;display:flex;align-items:center;justify-content:center;z-index:50}.form-container{background:#fff;border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-md);max-width:500px;margin:0 auto;border:1px solid var(--neutral-200)}.form-group{margin-bottom:20px}.form-label{display:block;margin-bottom:8px;font-weight:500;color:var(--neutral-700);font-size:14px}.form-input{width:100%;padding:10px 12px;border:1px solid var(--neutral-300);border-radius:var(--radius-md);font-size:14px;transition:all .2s}.form-input:focus{outline:none;border-color:var(--primary-500);box-shadow:0 0 0 3px var(--primary-100)}.form-actions{display:flex;gap:12px;padding-top:12px}.btn-primary{background-color:var(--primary-600);color:#fff;padding:10px 20px;border-radius:var(--radius-md);border:none;font-weight:500;cursor:pointer;transition:background-color .2s}.btn-primary:hover{background-color:var(--primary-700)}.btn-secondary{background-color:#fff;color:var(--neutral-700);border:1px solid var(--neutral-300);padding:10px 20px;border-radius:var(--radius-md);font-weight:500;cursor:pointer;transition:all .2s}.btn-secondary:hover{background-color:var(--neutral-50)}