:root{--color-primary: #0ea5e9;--color-primary-dark: #0284c7;--color-primary-light: #38bdf8;--color-secondary: #64748b;--color-success: #10b981;--color-warning: #f59e0b;--color-danger: #ef4444;--color-white: #ffffff;--color-gray-50: #f8fafc;--color-gray-100: #f1f5f9;--color-gray-200: #e2e8f0;--color-gray-300: #cbd5e1;--color-gray-400: #94a3b8;--color-gray-500: #64748b;--color-gray-600: #475569;--color-gray-700: #334155;--color-gray-800: #1e293b;--color-gray-900: #0f172a;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--spacing-1: .25rem;--spacing-2: .5rem;--spacing-3: .75rem;--spacing-4: 1rem;--spacing-5: 1.25rem;--spacing-6: 1.5rem;--spacing-8: 2rem;--spacing-10: 2.5rem;--spacing-12: 3rem;--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-full: 9999px;--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);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .35s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);font-size:.9375rem;line-height:1.6;color:var(--color-gray-800);background-color:var(--color-gray-50);min-height:100vh}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3;color:var(--color-gray-900)}h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.25rem}h4{font-size:1.125rem}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-dark)}.app-container{display:flex;min-height:100vh}.main-content{flex:1;padding:var(--spacing-6);margin-left:260px;min-height:100vh}.sidebar{position:fixed;left:0;top:0;width:260px;height:100vh;background:var(--color-white);border-right:1px solid var(--color-gray-200);display:flex;flex-direction:column;z-index:100}.sidebar-header{padding:var(--spacing-6);border-bottom:1px solid var(--color-gray-200)}.sidebar-logo{font-size:1.25rem;font-weight:700;color:var(--color-gray-900);display:flex;align-items:center;gap:var(--spacing-3)}.sidebar-logo svg{color:var(--color-primary)}.sidebar-nav{flex:1;padding:var(--spacing-4);overflow-y:auto}.nav-item{display:flex;align-items:center;gap:var(--spacing-3);padding:var(--spacing-3) var(--spacing-4);border-radius:var(--radius-lg);color:var(--color-gray-600);font-weight:500;transition:all var(--transition-fast);margin-bottom:var(--spacing-1)}.nav-item:hover{background:var(--color-gray-100);color:var(--color-gray-900)}.nav-item.active{background:var(--color-primary);color:var(--color-white)}.nav-item svg{width:20px;height:20px}.sidebar-footer{padding:var(--spacing-4);border-top:1px solid var(--color-gray-200)}.card{background:var(--color-white);border-radius:var(--radius-xl);border:1px solid var(--color-gray-200);box-shadow:var(--shadow-sm);overflow:hidden}.card-header{padding:var(--spacing-5) var(--spacing-6);border-bottom:1px solid var(--color-gray-200);display:flex;align-items:center;justify-content:space-between}.card-title{font-size:1.125rem;font-weight:600;color:var(--color-gray-900)}.card-body{padding:var(--spacing-6)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--spacing-6);margin-bottom:var(--spacing-8)}.stat-card{background:var(--color-white);border-radius:var(--radius-xl);border:1px solid var(--color-gray-200);padding:var(--spacing-6);display:flex;align-items:flex-start;gap:var(--spacing-4)}.stat-icon{width:48px;height:48px;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;flex-shrink:0}.stat-icon.primary{background:#0ea5e91a;color:var(--color-primary)}.stat-icon.success{background:#10b9811a;color:var(--color-success)}.stat-icon.warning{background:#f59e0b1a;color:var(--color-warning)}.stat-icon.secondary{background:#64748b1a;color:var(--color-secondary)}.stat-content h3{font-size:.8125rem;font-weight:500;color:var(--color-gray-500);margin-bottom:var(--spacing-1);text-transform:uppercase;letter-spacing:.05em}.stat-value{font-size:1.75rem;font-weight:700;color:var(--color-gray-900)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-2);padding:var(--spacing-3) var(--spacing-5);font-size:.875rem;font-weight:500;border-radius:var(--radius-lg);border:none;cursor:pointer;transition:all var(--transition-fast);white-space:nowrap}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:var(--color-white)}.btn-primary:hover:not(:disabled){background:var(--color-primary-dark)}.btn-secondary{background:var(--color-gray-100);color:var(--color-gray-700)}.btn-secondary:hover:not(:disabled){background:var(--color-gray-200)}.btn-danger{background:var(--color-danger);color:var(--color-white)}.btn-danger:hover:not(:disabled){background:#dc2626}.btn-ghost{background:transparent;color:var(--color-gray-600)}.btn-ghost:hover:not(:disabled){background:var(--color-gray-100);color:var(--color-gray-900)}.btn-sm{padding:var(--spacing-2) var(--spacing-3);font-size:.8125rem}.btn-lg{padding:var(--spacing-4) var(--spacing-6);font-size:1rem}.form-group{margin-bottom:var(--spacing-5)}.form-label{display:block;font-size:.875rem;font-weight:500;color:var(--color-gray-700);margin-bottom:var(--spacing-2)}.form-input{width:100%;padding:var(--spacing-3) var(--spacing-4);font-size:.9375rem;border:1px solid var(--color-gray-300);border-radius:var(--radius-lg);background:var(--color-white);color:var(--color-gray-900);transition:all var(--transition-fast)}.form-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #0ea5e926}.form-input::placeholder{color:var(--color-gray-400)}.table-container{overflow-x:auto}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:var(--spacing-4);text-align:left;border-bottom:1px solid var(--color-gray-200)}.table th{font-size:.75rem;font-weight:600;color:var(--color-gray-500);text-transform:uppercase;letter-spacing:.05em;background:var(--color-gray-50)}.table tbody tr:hover{background:var(--color-gray-50)}.table td{font-size:.875rem;color:var(--color-gray-700)}.pagination{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-4) var(--spacing-6);border-top:1px solid var(--color-gray-200)}.pagination-info{font-size:.875rem;color:var(--color-gray-500)}.pagination-buttons{display:flex;gap:var(--spacing-2)}.badge{display:inline-flex;align-items:center;padding:var(--spacing-1) var(--spacing-3);font-size:.75rem;font-weight:500;border-radius:var(--radius-full)}.badge-success{background:#10b9811a;color:var(--color-success)}.badge-warning{background:#f59e0b1a;color:var(--color-warning)}.badge-danger{background:#ef44441a;color:var(--color-danger)}.badge-primary{background:#0ea5e91a;color:var(--color-primary)}.upload-area{border:2px dashed var(--color-gray-300);border-radius:var(--radius-xl);padding:var(--spacing-10);text-align:center;transition:all var(--transition-fast);cursor:pointer}.upload-area:hover{border-color:var(--color-primary);background:#0ea5e905}.upload-area.drag-over{border-color:var(--color-primary);background:#0ea5e90d}.upload-icon{width:48px;height:48px;color:var(--color-gray-400);margin:0 auto var(--spacing-4)}.upload-text{color:var(--color-gray-600);margin-bottom:var(--spacing-2)}.upload-hint{font-size:.8125rem;color:var(--color-gray-400)}.search-filters{display:flex;gap:var(--spacing-4);margin-bottom:var(--spacing-6);flex-wrap:wrap}.search-input-wrapper{position:relative;flex:1;min-width:250px}.search-input-wrapper svg{position:absolute;left:var(--spacing-4);top:50%;transform:translateY(-50%);color:var(--color-gray-400);width:18px;height:18px}.search-input{width:100%;padding:var(--spacing-3) var(--spacing-4);padding-left:44px;font-size:.9375rem;border:1px solid var(--color-gray-300);border-radius:var(--radius-lg);background:var(--color-white)}.search-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #0ea5e926}.loading{display:flex;align-items:center;justify-content:center;padding:var(--spacing-10)}.spinner{width:32px;height:32px;border:3px solid var(--color-gray-200);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:var(--spacing-12)}.empty-state svg{width:64px;height:64px;color:var(--color-gray-300);margin-bottom:var(--spacing-4)}.empty-state h3{font-size:1.125rem;color:var(--color-gray-700);margin-bottom:var(--spacing-2)}.empty-state p{color:var(--color-gray-500)}.toast{position:fixed;bottom:var(--spacing-6);right:var(--spacing-6);padding:var(--spacing-4) var(--spacing-6);background:var(--color-gray-900);color:var(--color-white);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);display:flex;align-items:center;gap:var(--spacing-3);z-index:1000;animation:slideIn .3s ease}.toast.success{background:var(--color-success)}.toast.error{background:var(--color-danger)}.toast.warning{background:var(--color-warning)}@keyframes slideIn{0%{transform:translateY(100%);opacity:0}to{transform:translateY(0);opacity:1}}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--color-gray-50) 0%,var(--color-gray-100) 100%)}.login-card{width:100%;max-width:400px;background:var(--color-white);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);padding:var(--spacing-10)}.login-header{text-align:center;margin-bottom:var(--spacing-8)}.login-header h1{font-size:1.5rem;margin-bottom:var(--spacing-2)}.login-header p{color:var(--color-gray-500)}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--spacing-8)}.page-title{font-size:1.5rem;font-weight:700}.actions{display:flex;gap:var(--spacing-2)}@media(max-width:1024px){.sidebar{transform:translate(-100%)}.main-content{margin-left:0}}@media(max-width:640px){.stats-grid{grid-template-columns:1fr}.page-header{flex-direction:column;align-items:flex-start;gap:var(--spacing-4)}}