:root{--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-primary-light: #dbeafe;--color-success: #10b981;--color-success-light: #d1fae5;--color-warning: #f59e0b;--color-warning-light: #fef3c7;--color-danger: #ef4444;--color-danger-light: #fee2e2;--color-info: #3b82f6;--color-info-light: #dbeafe;--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;--bg-primary: #ffffff;--bg-secondary: #f9fafb;--bg-sidebar: #1f2937;--text-primary: #111827;--text-secondary: #6b7280;--text-muted: #9ca3af;--border-color: #e5e7eb;--border-radius: .5rem;--border-radius-lg: .75rem;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow: 0 1px 3px 0 rgba(0, 0, 0, .1), 0 1px 2px -1px rgba(0, 0, 0, .1);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -2px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -4px rgba(0, 0, 0, .1);--sidebar-width: 260px;--header-height: 64px;--transition-fast: .15s ease;--transition-normal: .2s 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:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--bg-secondary);color:var(--text-primary);line-height:1.5;min-height:100vh}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font-family:inherit}input,select,textarea{font-family:inherit;font-size:inherit}table{border-collapse:collapse;width:100%}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-1{gap:.25rem}.gap-2{gap:.5rem}.gap-3{gap:.75rem}.gap-4{gap:1rem}.gap-6{gap:1.5rem}.text-sm{font-size:.875rem}.text-lg{font-size:1.125rem}.text-xl{font-size:1.25rem}.text-2xl{font-size:1.5rem}.text-3xl{font-size:1.875rem}.font-medium{font-weight:500}.font-semibold{font-weight:600}.font-bold{font-weight:700}.text-center{text-align:center}.text-muted{color:var(--text-secondary)}.p-2{padding:.5rem}.p-3{padding:.75rem}.p-4{padding:1rem}.p-6{padding:1.5rem}.px-4{padding-left:1rem;padding-right:1rem}.py-2{padding-top:.5rem;padding-bottom:.5rem}.py-3{padding-top:.75rem;padding-bottom:.75rem}.mb-2{margin-bottom:.5rem}.mb-4{margin-bottom:1rem}.mb-6{margin-bottom:1.5rem}.mt-4{margin-top:1rem}.w-full{width:100%}.card{background:var(--bg-primary);border-radius:var(--border-radius-lg);box-shadow:var(--shadow);padding:1.5rem}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem;padding-bottom:1rem;border-bottom:1px solid var(--border-color)}.card-title{font-size:1.125rem;font-weight:600;color:var(--text-primary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.625rem 1rem;font-size:.875rem;font-weight:500;border-radius:var(--border-radius);border:none;transition:all var(--transition-fast)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover)}.btn-success{background:var(--color-success);color:#fff}.btn-success:hover:not(:disabled){background:#059669}.btn-danger{background:var(--color-danger);color:#fff}.btn-danger:hover:not(:disabled){background:#dc2626}.btn-outline{background:transparent;border:1px solid var(--border-color);color:var(--text-primary)}.btn-outline:hover:not(:disabled){background:var(--color-gray-50)}.btn-sm{padding:.375rem .75rem;font-size:.75rem}.btn-lg{padding:.75rem 1.5rem;font-size:1rem}.form-group{margin-bottom:1rem}.form-label{display:block;margin-bottom:.5rem;font-size:.875rem;font-weight:500;color:var(--text-primary)}.form-input{width:100%;padding:.625rem .875rem;font-size:.875rem;border:1px solid var(--border-color);border-radius:var(--border-radius);background:var(--bg-primary);color:var(--text-primary);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.form-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light)}.form-input::placeholder{color:var(--text-muted)}.form-select{appearance:none;background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");background-position:right .5rem center;background-repeat:no-repeat;background-size:1.5em 1.5em;padding-right:2.5rem}.form-error{color:var(--color-danger);font-size:.75rem;margin-top:.25rem}.table-container{overflow-x:auto}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:.75rem 1rem;text-align:left;border-bottom:1px solid var(--border-color)}.table th{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);background:var(--bg-secondary)}.table tbody tr:hover{background:var(--color-gray-50)}.badge{display:inline-flex;align-items:center;padding:.25rem .625rem;font-size:.75rem;font-weight:500;border-radius:9999px}.badge-success{background:var(--color-success-light);color:var(--color-success)}.badge-warning{background:var(--color-warning-light);color:#b45309}.badge-danger{background:var(--color-danger-light);color:var(--color-danger)}.badge-info{background:var(--color-info-light);color:var(--color-info)}.badge-gray{background:var(--color-gray-100);color:var(--color-gray-600)}.stat-card{background:var(--bg-primary);border-radius:var(--border-radius-lg);box-shadow:var(--shadow);padding:1.25rem}.stat-card-icon{width:48px;height:48px;border-radius:var(--border-radius);display:flex;align-items:center;justify-content:center;margin-bottom:.75rem}.stat-card-value{font-size:1.875rem;font-weight:700;color:var(--text-primary);line-height:1;margin-bottom:.25rem}.stat-card-label{font-size:.875rem;color:var(--text-secondary)}.empty-state{text-align:center;padding:3rem 1.5rem;color:var(--text-secondary)}.empty-state-icon{width:64px;height:64px;margin:0 auto 1rem;color:var(--color-gray-300)}.empty-state-title{font-size:1.125rem;font-weight:600;color:var(--text-primary);margin-bottom:.5rem}.spinner{width:24px;height:24px;border:2px solid var(--color-gray-200);border-top-color:var(--color-primary);border-radius:50%;animation:spin .75s linear infinite}.spinner-lg{width:40px;height:40px;border-width:3px}@keyframes spin{to{transform:rotate(360deg)}}.modal-backdrop{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background:var(--bg-primary);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-lg);width:100%;max-width:480px;max-height:90vh;overflow-y:auto}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;border-bottom:1px solid var(--border-color)}.modal-title{font-size:1.125rem;font-weight:600}.modal-close{background:none;border:none;color:var(--text-secondary);padding:.25rem;cursor:pointer}.modal-close:hover{color:var(--text-primary)}.modal-body{padding:1.5rem}.modal-footer{display:flex;justify-content:flex-end;gap:.75rem;padding:1rem 1.5rem;border-top:1px solid var(--border-color)}.alert{padding:1rem;border-radius:var(--border-radius);margin-bottom:1rem}.alert-success{background:var(--color-success-light);color:#065f46;border:1px solid #a7f3d0}.alert-danger{background:var(--color-danger-light);color:#991b1b;border:1px solid #fecaca}.alert-warning{background:var(--color-warning-light);color:#92400e;border:1px solid #fde68a}.alert-info{background:var(--color-info-light);color:#1e40af;border:1px solid #bfdbfe}.grid{display:grid;gap:1.5rem}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-3{grid-template-columns:repeat(3,1fr)}.grid-cols-4{grid-template-columns:repeat(4,1fr)}@media(max-width:1024px){.grid-cols-4{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){.grid-cols-2,.grid-cols-3,.grid-cols-4{grid-template-columns:1fr}}.pagination{display:flex;align-items:center;gap:.5rem}.pagination-btn{padding:.5rem .75rem;border:1px solid var(--border-color);border-radius:var(--border-radius);background:var(--bg-primary);color:var(--text-secondary);font-size:.875rem;cursor:pointer;transition:all var(--transition-fast)}.pagination-btn:hover:not(:disabled){background:var(--color-gray-50);color:var(--text-primary)}.pagination-btn.active{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.pagination-btn:disabled{opacity:.5;cursor:not-allowed}.search-input{position:relative}.search-input input{padding-left:2.5rem}.search-input-icon{position:absolute;left:.875rem;top:50%;transform:translateY(-50%);color:var(--text-muted);pointer-events:none;width:18px;height:18px}.dropdown{position:relative}.dropdown-menu{position:absolute;top:100%;right:0;margin-top:.25rem;min-width:180px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--border-radius);box-shadow:var(--shadow-md);z-index:100}.dropdown-item{display:block;width:100%;padding:.625rem 1rem;text-align:left;font-size:.875rem;color:var(--text-primary);background:none;border:none;cursor:pointer;transition:background var(--transition-fast)}.dropdown-item:hover{background:var(--color-gray-50)}.dropdown-item-danger{color:var(--color-danger)}.dropdown-item-danger:hover{background:var(--color-danger-light)}