:root{--primary: #2563eb;--primary-dark: #1e40af;--primary-light: #3b82f6;--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--info: #0ea5e9;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-600: #4b5563;--gray-700: #374151;--gray-800: #1f2937;--gray-900: #111827;--radius: .5rem;--shadow: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1)}body{background:var(--gray-50);color:var(--gray-900)}a{color:var(--primary);text-decoration:none}a:hover{color:var(--primary-dark)}button{cursor:pointer;border:none;border-radius:var(--radius);padding:.5rem 1rem;font-size:.875rem;font-weight:500;transition:all .2s}button:hover{opacity:.9}input,select,textarea{border:1px solid var(--gray-300);border-radius:var(--radius);padding:.5rem .75rem;font-size:.875rem}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 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var(--gray-200)}tr:hover{background:var(--gray-50)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background:#fff;border-radius:var(--radius);max-width:500px;width:90%}.modal-header{padding:1.5rem;border-bottom:1px solid var(--gray-200)}.modal-body{padding:1.5rem}.modal-footer{padding:1rem 1.5rem;border-top:1px solid var(--gray-200);display:flex;gap:.5rem;justify-content:flex-end}