* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            background-color: #f5f5f5;
            color: #333;
        }

        .app {
            display: flex;
            min-height: 100vh;
        }

        /* Sidebar */
        .sidebar {
            width: 250px;
            background-color: #2c3e50;
            color: white;
            padding: 20px 0;
            display: flex;
            flex-direction: column;
        }

        .sidebar-header {
            padding: 0 20px 20px;
            border-bottom: 1px solid #34495e;
            margin-bottom: 20px;
        }

        .sidebar-header h2 {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
        }

        .sidebar-menu {
            list-style: none;
            flex-grow: 1;
        }

        .sidebar-menu li {
            margin-bottom: 5px;
        }

        .menu-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 20px;
            color: #bdc3c7;
            text-decoration: none;
            transition: all 0.3s;
        }

        .menu-item:hover, .menu-item.active {
            background-color: #34495e;
            color: white;
            border-left: 4px solid #3498db;
        }

        /* Main Content */
        .main-content {
            flex-grow: 1;
            padding: 20px;
            overflow-y: auto;
        }

        .page {
            display: none;
        }

        .page.active {
            display: block;
        }

        .page-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
            padding-bottom: 15px;
            border-bottom: 1px solid #ddd;
        }

        .page-header h1 {
            color: #2c3e50;
            font-size: 1.8rem;
        }

        /* Botões */
        .btn {
            padding: 10px 20px;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.3s;
        }

        .btn-primary {
            background-color: #3498db;
            color: white;
        }

        .btn-primary:hover {
            background-color: #2980b9;
        }

        .btn-secondary {
            background-color: #7f8c8d;
            color: white;
        }

        .btn-secondary:hover {
            background-color: #636e72;
        }

        .btn-warning {
            background-color: #f39c12;
            color: white;
        }

        .btn-warning:hover {
            background-color: #d68910;
        }

        /* Dashboard */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 30px;
        }

        .stat-card {
            background: white;
            border-radius: 8px;
            padding: 20px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .stat-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: white;
        }

        .stat-content h3 {
            font-size: 0.9rem;
            color: #7f8c8d;
            margin-bottom: 5px;
        }

        .stat-number {
            font-size: 1.8rem;
            font-weight: 700;
            color: #2c3e50;
        }

        .success .stat-icon { background-color: #2ecc71; }
        .info .stat-icon { background-color: #3498db; }
        .warning .stat-icon { background-color: #f39c12; }
        .danger .stat-icon { background-color: #e74c3c; }
        .neutral .stat-icon { background-color: #95a5a6; }

        /* Tabelas */
        .table-container {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            margin-top: 20px;
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
        }

        .data-table thead {
            background-color: #34495e;
            color: white;
        }

        .data-table th {
            padding: 15px;
            text-align: left;
            font-weight: 600;
        }

        .data-table td {
            padding: 12px 15px;
            border-bottom: 1px solid #eee;
        }

        .data-table tbody tr:hover {
            background-color: #f8f9fa;
        }

        /* Status badges */
        .status-badge {
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            display: inline-block;
        }

        .status-badge.active {
            background-color: #d4edda;
            color: #155724;
        }

        .status-badge.maintenance {
            background-color: #fff3cd;
            color: #856404;
        }

        .status-badge.stopped {
            background-color: #f8d7da;
            color: #721c24;
        }

        .status-badge.in-progress {
            background-color: #cce5ff;
            color: #004085;
        }

        /* Action buttons */
        .action-buttons {
            display: flex;
            gap: 5px;
        }

        .btn-icon {
            width: 35px;
            height: 35px;
            border-radius: 4px;
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            transition: all 0.3s;
        }

        .btn-icon.edit {
            background-color: #3498db;
        }

        .btn-icon.edit:hover {
            background-color: #2980b9;
        }

        .btn-icon.delete {
            background-color: #e74c3c;
        }

        .btn-icon.delete:hover {
            background-color: #c0392b;
        }

        .btn-icon.end {
            background-color: #f39c12;
        }

        .btn-icon.end:hover {
            background-color: #d68910;
        }

        .btn-icon.complete {
            background-color: #2ecc71;
        }

        .btn-icon.complete:hover {
            background-color: #27ae60;
        }

        /* Modais */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.5);
            z-index: 1000;
            justify-content: center;
            align-items: center;
        }

        .modal.active {
            display: flex;
        }

        .modal-content {
            background: white;
            width: 90%;
            max-width: 600px;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.3);
        }

        .modal-header {
            background-color: #34495e;
            color: white;
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .modal-header h2 {
            font-size: 1.5rem;
        }

        .modal-header .close {
            font-size: 1.8rem;
            cursor: pointer;
            line-height: 1;
        }

        .modal-header .close:hover {
            color: #ecf0f1;
        }

        .modal form {
            padding: 20px;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #2c3e50;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 10px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 1rem;
        }

        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }

        .form-actions {
            display: flex;
            justify-content: flex-end;
            gap: 10px;
            margin-top: 30px;
        }

        /* Reports page */
        .reports-grid {
            display: grid;
            grid-template-columns: 300px 1fr;
            gap: 30px;
            margin-top: 20px;
        }

        .report-options {
            background: white;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .report-options h3 {
            margin-bottom: 15px;
            color: #2c3e50;
            font-size: 1.2rem;
        }

        .report-type-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 25px;
        }

        .report-type {
            display: flex;
            align-items: center;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 4px;
            cursor: pointer;
            transition: all 0.3s;
        }

        .report-type:hover {
            border-color: #3498db;
            background-color: #f8f9fa;
        }

        .report-type input[type="radio"] {
            margin-right: 10px;
        }

        .report-type-content {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .report-type-content i {
            color: #3498db;
            font-size: 1.2rem;
        }

        .period-selector {
            margin-bottom: 25px;
        }

        .period-selector select {
            width: 100%;
        }

        .custom-dates {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 10px;
        }

        .custom-dates input {
            flex: 1;
        }

        .format-options {
            display: flex;
            gap: 20px;
            margin-bottom: 25px;
        }

        .format-options label {
            display: flex;
            align-items: center;
            gap: 5px;
            cursor: pointer;
        }

        .btn-generate {
            width: 100%;
            justify-content: center;
        }

        .report-preview {
            background: white;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .preview-placeholder {
            background: #f8f9fa;
            border: 2px dashed #ddd;
            border-radius: 8px;
            padding: 40px;
            text-align: center;
            color: #7f8c8d;
            margin-bottom: 20px;
        }

        .recent-reports {
            margin-top: 30px;
        }

        .report-item {
            display: flex;
            align-items: center;
            gap: 15px;
            padding: 15px;
            border: 1px solid #eee;
            border-radius: 4px;
            margin-bottom: 10px;
        }

        .report-item i {
            font-size: 1.5rem;
            color: #e74c3c;
        }

        .report-item div {
            flex-grow: 1;
        }

        .report-item small {
            color: #7f8c8d;
            display: block;
            margin-top: 5px;
        }

        /* Responsividade */
        @media (max-width: 1200px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .app {
                flex-direction: column;
            }
            
            .sidebar {
                width: 100%;
                height: auto;
            }
            
            .stats-grid {
                grid-template-columns: 1fr;
            }
            
            .reports-grid {
                grid-template-columns: 1fr;
            }
        }