:root{--primary:#2563eb;--primary-dark:#1d4ed8;--primary-light:#dbeafe;--danger:#dc2626;--danger-light:#fee2e2;--warning:#d97706;--warning-light:#fef3c7;--success:#16a34a;--success-light:#dcfce7;--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:8px;--shadow:0 1px 3px #0000001a, 0 1px 2px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -2px #0000000d}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--gray-100);color:var(--gray-800);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.5}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.app-layout{min-height:100vh;display:flex}.sidebar{background:var(--gray-900);color:#fff;z-index:100;flex-direction:column;width:260px;display:flex;position:fixed;top:0;bottom:0;left:0}.sidebar-logo{border-bottom:1px solid var(--gray-700);padding:1.5rem}.sidebar-logo h1{color:#fff;font-size:1.1rem;font-weight:700}.sidebar-logo span{color:var(--gray-400);margin-top:.25rem;font-size:.75rem;display:block}.sidebar-nav{flex:1;padding:.75rem 0}.sidebar-link{color:var(--gray-300);border-left:3px solid #0000;align-items:center;gap:.75rem;padding:.75rem 1.5rem;font-size:.9rem;text-decoration:none;transition:all .15s;display:flex}.sidebar-link:hover{background:var(--gray-800);color:#fff;text-decoration:none}.sidebar-link.active{background:var(--gray-800);color:#fff;border-left-color:var(--primary)}.sidebar-link-icon{text-align:center;width:1.5rem;font-size:1.2rem}.sidebar-footer{border-top:1px solid var(--gray-700);padding:1rem 1.5rem}.sidebar-user{color:var(--gray-400);margin-bottom:.5rem;font-size:.85rem}.sidebar-user strong{color:#fff;display:block}.main-content{flex:1;margin-left:260px;padding:2rem}.card{border-radius:var(--radius);box-shadow:var(--shadow);background:#fff;margin-bottom:1.5rem;padding:1.5rem}.card-header{justify-content:space-between;align-items:center;margin-bottom:1rem;display:flex}.card-title{color:var(--gray-900);font-size:1.1rem;font-weight:600}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:1.5rem;display:grid}.stat-card{border-radius:var(--radius);box-shadow:var(--shadow);background:#fff;flex-direction:column;padding:1.25rem;display:flex}.stat-label{color:var(--gray-500);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.25rem;font-size:.8rem}.stat-value{color:var(--gray-900);font-size:1.75rem;font-weight:700}.stat-sub{color:var(--gray-500);margin-top:.25rem;font-size:.8rem}.stat-card.danger .stat-value{color:var(--danger)}.stat-card.warning .stat-value{color:var(--warning)}.stat-card.success .stat-value{color:var(--success)}.stat-card.primary .stat-value{color:var(--primary)}.table-container{overflow-x:auto}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid var(--gray-200);padding:.75rem 1rem;font-size:.875rem}th{color:var(--gray-600);background:var(--gray-50);white-space:nowrap;font-weight:600}tr:hover td{background:var(--gray-50)}.badge{border-radius:9999px;align-items:center;padding:.2rem .6rem;font-size:.75rem;font-weight:600;display:inline-flex}.badge-danger{background:var(--danger-light);color:var(--danger)}.badge-warning{background:var(--warning-light);color:var(--warning)}.badge-success{background:var(--success-light);color:var(--success)}.badge-info{background:var(--primary-light);color:var(--primary)}.btn{border-radius:var(--radius);cursor:pointer;border:none;align-items:center;gap:.5rem;padding:.5rem 1rem;font-size:.875rem;font-weight:500;text-decoration:none;transition:all .15s;display:inline-flex}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#b91c1c}.btn-outline{border:1px solid var(--gray-300);color:var(--gray-700);background:0 0}.btn-outline:hover{background:var(--gray-100)}.btn-sm{padding:.35rem .75rem;font-size:.8rem}.btn:disabled{opacity:.6;cursor:not-allowed}.form-group{margin-bottom:1rem}.form-label{color:var(--gray-700);margin-bottom:.35rem;font-size:.85rem;font-weight:500;display:block}.form-input,.form-select{border:1px solid var(--gray-300);border-radius:var(--radius);width:100%;color:var(--gray-800);background:#fff;padding:.5rem .75rem;font-size:.875rem;transition:border-color .15s}.form-input:focus,.form-select:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light);outline:none}.form-row{grid-template-columns:1fr 1fr;gap:1rem;display:grid}.alert{border-radius:var(--radius);margin-bottom:1rem;padding:.75rem 1rem;font-size:.875rem}.alert-danger{background:var(--danger-light);color:var(--danger);border:1px solid #fecaca}.alert-success{background:var(--success-light);color:var(--success);border:1px solid #bbf7d0}.alert-warning{background:var(--warning-light);color:var(--warning);border:1px solid #fde68a}.login-page{background:linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{box-shadow:var(--shadow-lg);background:#fff;border-radius:12px;width:100%;max-width:400px;padding:2.5rem}.login-logo{text-align:center;margin-bottom:2rem}.login-logo h1{color:var(--gray-900);margin-bottom:.25rem;font-size:1.5rem}.login-logo p{color:var(--gray-500);font-size:.85rem}.filters-bar{flex-wrap:wrap;align-items:flex-end;gap:.75rem;margin-bottom:1.5rem;display:flex}.filters-bar .form-group{min-width:150px;margin-bottom:0}.filters-bar .form-label{text-transform:uppercase;letter-spacing:.05em;font-size:.75rem}.modal-overlay{z-index:200;background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{box-shadow:var(--shadow-lg);background:#fff;border-radius:12px;width:100%;max-width:500px;max-height:90vh;padding:2rem;overflow-y:auto}.modal-title{margin-bottom:1.5rem;font-size:1.15rem;font-weight:600}.modal-actions{border-top:1px solid var(--gray-200);justify-content:flex-end;gap:.75rem;margin-top:1.5rem;padding-top:1rem;display:flex}.loading{color:var(--gray-500);justify-content:center;align-items:center;padding:3rem;display:flex}.spinner{border:3px solid var(--gray-200);border-top-color:var(--primary);border-radius:50%;width:24px;height:24px;margin-right:.75rem;animation:.6s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.page-header{justify-content:space-between;align-items:center;margin-bottom:1.5rem;display:flex}.page-title{color:var(--gray-900);font-size:1.5rem;font-weight:700}@media (width<=768px){.sidebar{width:200px}.main-content{margin-left:200px;padding:1rem}.form-row{grid-template-columns:1fr}.filters-bar{flex-direction:column}.filters-bar .form-group{min-width:100%}}