*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #0066cc;--primary-dark: #004999;--secondary: #6c757d;--success: #28a745;--warning: #ffc107;--danger: #dc3545;--info: #17a2b8;--light: #f8f9fa;--dark: #343a40;--sidebar-width: 260px}.admin-wrapper{min-height:100vh;background:#f0f2f5}.hidden{display:none!important}.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#06c,#004999)}.login-card{background:#fff;border-radius:16px;padding:40px;width:100%;max-width:400px;box-shadow:0 20px 60px #0000004d}.login-header{text-align:center;margin-bottom:30px}.login-logo{height:50px;margin-bottom:20px}.login-header h1{font-size:1.5rem;color:var(--dark);margin-bottom:5px}.login-header p{color:var(--secondary)}.login-form .form-group{margin-bottom:20px}.login-form label{display:block;margin-bottom:8px;font-weight:500;color:var(--dark)}.login-form input{width:100%;padding:12px 16px;border:2px solid #e0e0e0;border-radius:8px;font-size:1rem;transition:border-color .2s}.login-form input:focus{outline:none;border-color:var(--primary)}.btn-login{width:100%;padding:14px;background:var(--primary);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:background .2s}.btn-login:hover{background:var(--primary-dark)}.btn-login:disabled{opacity:.7;cursor:not-allowed}.login-error{background:#f8d7da;color:#721c24;padding:12px;border-radius:8px;margin-bottom:20px;text-align:center;font-size:.9rem}.dashboard{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--dark);color:#fff;display:flex;flex-direction:column;position:fixed;height:100vh;z-index:100}.sidebar-header{padding:20px;display:flex;align-items:center;gap:12px;border-bottom:1px solid rgba(255,255,255,.1)}.sidebar-logo{height:30px;filter:brightness(0) invert(1)}.sidebar-title{font-weight:600;font-size:1.1rem}.sidebar-nav{flex:1;padding:20px 0}.nav-item{display:flex;align-items:center;padding:14px 20px;color:#ffffffb3;text-decoration:none;transition:all .2s;gap:12px}.nav-item:hover{background:#ffffff1a;color:#fff}.nav-item.active{background:var(--primary);color:#fff}.nav-icon{font-size:1.2rem}.nav-text{flex:1}.nav-badge{background:var(--danger);color:#fff;padding:2px 8px;border-radius:10px;font-size:.75rem;font-weight:600}.sidebar-footer{padding:20px;border-top:1px solid rgba(255,255,255,.1)}.btn-logout{width:100%;padding:12px;background:#ffffff1a;color:#fff;border:none;border-radius:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:background .2s}.btn-logout:hover{background:var(--danger)}.main-content{flex:1;margin-left:var(--sidebar-width);display:flex;flex-direction:column}.content-header{background:#fff;padding:20px 30px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #e0e0e0;position:sticky;top:0;z-index:50}.header-left h1{font-size:1.5rem;color:var(--dark)}.header-left p{color:var(--secondary);font-size:.9rem}.header-right{display:flex;align-items:center;gap:20px}.btn-refresh{padding:10px 20px;background:var(--light);border:1px solid #ddd;border-radius:8px;cursor:pointer;transition:all .2s}.btn-refresh:hover{background:#e9ecef}.admin-name{font-weight:500;color:var(--dark)}.content-body{flex:1;padding:30px}.section{display:none}.section.active{display:block}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:30px}.stat-card{background:#fff;border-radius:12px;padding:24px;display:flex;align-items:center;gap:16px;box-shadow:0 2px 8px #00000014}.stat-icon{font-size:2.5rem}.stat-value{display:block;font-size:2rem;font-weight:700;color:var(--dark)}.stat-label{color:var(--secondary);font-size:.9rem}.stat-card.blue{border-left:4px solid var(--primary)}.stat-card.orange{border-left:4px solid var(--warning)}.stat-card.green{border-left:4px solid var(--success)}.stat-card.purple{border-left:4px solid #6f42c1}.recent-activity{background:#fff;border-radius:12px;padding:24px;box-shadow:0 2px 8px #00000014}.recent-activity h3{margin-bottom:20px;color:var(--dark)}.activity-list{max-height:400px;overflow-y:auto}.activity-item{display:flex;align-items:center;gap:16px;padding:16px;border-bottom:1px solid #eee}.activity-item:last-child{border-bottom:none}.activity-icon{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem}.activity-icon.cotizacion{background:#e3f2fd}.activity-icon.reclamo{background:#fff3e0}.activity-icon.mensaje{background:#e8f5e9}.activity-content{flex:1}.activity-title{font-weight:500;color:var(--dark)}.activity-time{font-size:.85rem;color:var(--secondary)}.section-toolbar{display:flex;gap:16px;margin-bottom:20px}.search-box input{padding:10px 16px;border:1px solid #ddd;border-radius:8px;width:300px}.filter-box select{padding:10px 16px;border:1px solid #ddd;border-radius:8px;background:#fff}.btn-export{padding:10px 20px;background:#28a745;color:#fff;border:none;border-radius:8px;cursor:pointer;font-weight:600;font-size:14px;transition:opacity .2s}.btn-export:hover{opacity:.9}.checkbox-label{display:flex;align-items:center;gap:8px;cursor:pointer}.data-table-wrapper{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 2px 8px #00000014}.data-table{width:100%;border-collapse:collapse}.data-table th,.data-table td{padding:14px 16px;text-align:left;border-bottom:1px solid #eee}.data-table th{background:var(--light);font-weight:600;color:var(--dark)}.data-table tbody tr:hover{background:#f8f9fa}.status-badge{padding:4px 12px;border-radius:20px;font-size:.8rem;font-weight:500}.status-pendiente,.status-recibido{background:#fff3cd;color:#856404}.status-en_proceso,.status-en_revision{background:#cce5ff;color:#004085}.status-evaluacion,.status-completada,.status-resuelto{background:#d4edda;color:#155724}.status-rechazada,.status-rechazado{background:#f8d7da;color:#721c24}.btn-action{padding:6px 12px;border:none;border-radius:6px;cursor:pointer;font-size:.85rem;margin-right:4px}.btn-view{background:var(--info);color:#fff}.btn-edit{background:var(--primary);color:#fff}.messages-list{display:flex;flex-direction:column;gap:12px}.message-card{background:#fff;border-radius:12px;padding:20px;box-shadow:0 2px 8px #00000014;display:flex;gap:16px;cursor:pointer;transition:transform .2s}.message-card:hover{transform:translateY(-2px)}.message-card.unread{border-left:4px solid var(--primary)}.message-avatar{width:50px;height:50px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:1.2rem}.message-content{flex:1}.message-header{display:flex;justify-content:space-between;margin-bottom:8px}.message-name{font-weight:600;color:var(--dark)}.message-time{font-size:.85rem;color:var(--secondary)}.message-text{color:var(--secondary);line-height:1.5}.empty-state{text-align:center;padding:40px;color:var(--secondary)}.modal{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center}.modal-overlay{position:absolute;inset:0;background:#00000080}.modal-content{background:#fff;border-radius:16px;width:90%;max-width:600px;max-height:90vh;overflow:hidden;position:relative;display:flex;flex-direction:column}.modal-header{padding:20px 24px;border-bottom:1px solid #eee;display:flex;justify-content:space-between;align-items:center}.modal-header h2{font-size:1.25rem}.modal-close{background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--secondary)}.modal-body{padding:24px;overflow-y:auto;flex:1}.modal-footer{padding:16px 24px;border-top:1px solid #eee;display:flex;justify-content:flex-end;gap:12px}.btn-secondary{padding:10px 20px;background:var(--secondary);color:#fff;border:none;border-radius:8px;cursor:pointer;transition:opacity .2s}.btn-secondary:hover{opacity:.9}.btn-primary{padding:10px 20px;background:var(--primary);color:#fff;border:none;border-radius:8px;cursor:pointer;font-weight:600;transition:opacity .2s}.btn-primary:hover{opacity:.9}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.loading-overlay{position:fixed;inset:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:2000}.loading-spinner{text-align:center;color:#fff}.spinner{width:50px;height:50px;border:4px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 16px}@keyframes spin{to{transform:rotate(360deg)}}.loading-spinner p{font-size:16px;font-weight:500}.editable-field{display:flex;align-items:center;gap:8px}.editable-field select{padding:6px 12px;border:1px solid #ddd;border-radius:6px;font-size:14px;background:#fff;cursor:pointer}.editable-field select:focus{outline:none;border-color:var(--primary)}.detail-row{display:flex;padding:12px 0;border-bottom:1px solid #eee}.detail-label{width:140px;font-weight:600;color:var(--dark)}.detail-value{flex:1;color:var(--secondary)}@media(max-width:768px){.sidebar{width:70px}.sidebar-title,.nav-text{display:none}.main-content{margin-left:70px}.stats-grid{grid-template-columns:1fr 1fr}.section-toolbar{flex-direction:column}.search-box input{width:100%}}.file-section{margin-top:20px;border-top:1px solid #eee;padding-top:20px}.file-list{display:flex;flex-direction:column;gap:10px;margin-bottom:15px}.file-item{display:flex;align-items:center;justify-content:space-between;padding:10px;background:#f8f9fa;border-radius:8px;border:1px solid #e9ecef}.file-info{display:flex;align-items:center;gap:10px}.file-link{color:var(--primary);text-decoration:none;font-weight:500}.file-link:hover{text-decoration:underline}.btn-delete-file{color:var(--danger);background:none;border:none;cursor:pointer;font-size:1.2rem;padding:4px}.upload-container{display:flex;align-items:center;gap:10px}.file-input{display:none}.btn-upload{padding:8px 16px;background:var(--light);border:1px solid #ddd;border-radius:8px;cursor:pointer;display:flex;align-items:center;gap:8px;font-size:.9rem;transition:all .2s}.btn-upload:hover{background:#e9ecef}.upload-progress{font-size:.85rem;color:var(--secondary)}