* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            background: linear-gradient(135deg, #f5f7fa 0%, #e9ecef 100%);
            padding: 20px;
            color: #2c3e50;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        
        .dashboard {
            max-width: 1400px;
            margin: 0 auto;
        }
        
        .header {
            background: white;
            padding: 20px 30px;
            border-radius: 12px;
            margin-bottom: 20px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }
        
        .header h1 {
            font-size: 24px;
            font-weight: 600;
            color: #2c3e50;
        }
        
        .header .subtitle {
            color: #7f8c8d;
            font-size: 14px;
            margin-top: 5px;
        }
        
        .period-selector {
            display: flex;
            gap: 10px;
            align-items: center;
            flex-wrap: wrap;
        }
        
        .period-btn {
            padding: 8px 16px;
            border: 1px solid #e0e0e0;
            background: white;
            border-radius: 6px;
            cursor: pointer;
            transition: all 0.3s;
            font-size: 14px;
            touch-action: manipulation;
        }
        
        .period-btn.active {
            background: #8FD14F;
            color: white;
            border-color: #8FD14F;
        }
        
        .grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 20px;
        }
        
        .card {
            background: white;
            border-radius: 12px;
            padding: 20px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            transition: transform 0.3s, box-shadow 0.3s;
            min-height: 120px;
        }
        
        .card:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 20px rgba(0,0,0,0.1);
        }
        
        .card-title {
            font-size: 12px;
            color: #7f8c8d;
            text-transform: uppercase;
            margin-bottom: 10px;
            font-weight: 600;
        }
        
        .card-value {
            font-size: 32px;
            font-weight: bold;
            color: #2c3e50;
            margin-bottom: 10px;
        }
        
        .card-change {
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 5px;
        }
        
        .positive {
            color: #27ae60;
        }
        
        .negative {
            color: #e74c3c;
        }
        
        .double-card {
            grid-column: span 2;
        }
        
        .chart-container {
            height: 250px;
            position: relative;
            width: 100%;
        }
        
        .gauge-container {
            display: flex;
            justify-content: space-around;
            align-items: center;
            padding: 20px 0;
            flex-wrap: wrap;
            gap: 20px;
        }
        
        .gauge-item {
            text-align: center;
            flex: 1;
            min-width: 100px;
        }
        
        .gauge-label {
            font-size: 14px;
            color: #7f8c8d;
            margin-top: 10px;
        }
        
        .gauge-value {
            font-size: 24px;
            font-weight: bold;
            color: #2c3e50;
            margin-top: 5px;
        }
        
        .table-container {
            overflow-x: scroll;
            -webkit-overflow-scrolling: touch;
        }
        
        table {
            width: 100%;
            border-collapse: collapse;
            min-width: 500px;
        }
        
        th {
            background: #f8f9fa;
            padding: 12px;
            text-align: left;
            font-size: 12px;
            color: #7f8c8d;
            text-transform: uppercase;
            font-weight: 600;
            border-bottom: 2px solid #e0e0e0;
            white-space: nowrap;
        }
        
        td {
            padding: 12px;
            border-bottom: 1px solid #f0f0f0;
            font-size: 14px;
        }
        
        tr:hover {
            background: #f8f9fa;
        }
        
        .progress-bar {
            background: #e0e0e0;
            height: 6px;
            border-radius: 3px;
            overflow: hidden;
            margin-top: 5px;
        }
        
        .progress-fill {
            height: 100%;
            background: #8FD14F;
            border-radius: 3px;
            transition: width 0.3s;
        }
        
        .tooltip {
            position: absolute;
            padding: 10px;
            background: rgba(0, 0, 0, 0.8);
            color: white;
            border-radius: 6px;
            font-size: 12px;
            pointer-events: none;
            opacity: 0;
            transition: opacity 0.3s;
            z-index: 1000;
        }
        
        .legend {
            display: flex;
            gap: 20px;
            justify-content: center;
            margin-top: 10px;
            flex-wrap: wrap;
        }
        
        .legend-item {
            display: flex;
            align-items: center;
            gap: 5px;
            font-size: 12px;
            color: #7f8c8d;
        }
        
        .legend-color {
            width: 12px;
            height: 12px;
            border-radius: 2px;
        }
        
        .metric-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin: 15px 0;
        }
        
        .metric-label {
            font-size: 12px;
            color: #7f8c8d;
        }
        
        .metric-value {
            font-size: 24px;
            font-weight: bold;
        }
        
        .loading {
            opacity: 0.6;
            transition: opacity 0.3s;
        }
        
        /* Tablet styles */
        @media (max-width: 1024px) {
            .grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 15px;
            }
            
            .double-card {
                grid-column: span 2;
            }
            
            .header {
                padding: 15px 20px;
            }
            
            .card {
                padding: 15px;
            }
        }
        
        /* Mobile styles */
        @media (max-width: 768px) {
            body {
                padding: 10px;
            }
            
            .header {
                padding: 15px;
                flex-direction: column;
                align-items: stretch;
            }
            
            .header h1 {
                font-size: 20px;
            }
            
            .header .subtitle {
                font-size: 12px;
            }
            
            .period-selector {
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
                width: 100%;
            }
            
            .period-btn {
                padding: 10px 12px;
                font-size: 13px;
                text-align: center;
            }
            
            .grid {
                grid-template-columns: 1fr;
                gap: 15px;
            }
            
            .double-card {
                grid-column: span 1;
            }
            
            .card-value {
                font-size: 28px;
            }
            
            .card-change {
                font-size: 12px;
            }
            
            .chart-container {
                height: 200px;
            }
            
            .gauge-item svg {
                width: 100px;
                height: 100px;
            }
            
            .gauge-label {
                font-size: 12px;
            }
            
            .gauge-value {
                font-size: 20px;
            }
        }
        
        @media (max-width: 480px) {
            .card-value {
                font-size: 24px;
            }
            
            .metric-value {
                font-size: 20px;
            }
            
            table {
                font-size: 12px;
            }
            
            th, td {
                padding: 8px;
            }
        }

         /* Security Section Styles */
        .security-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 9999;
            transition: opacity 0.5s, visibility 0.5s;
        }
        
        .security-overlay.hidden {
            opacity: 0;
            visibility: hidden;
        }
        
        .security-container {
            background: white;
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 20px 60px rgba(0,0,0,0.3);
            max-width: 400px;
            width: 90%;
            text-align: center;
            animation: slideUp 0.5s ease-out;
        }
        
        @keyframes slideUp {
            from {
                transform: translateY(30px);
                opacity: 0;
            }
            to {
                transform: translateY(0);
                opacity: 1;
            }
        }
        
        .security-icon {
            width: 80px;
            height: 80px;
            margin: 0 auto 20px;
            background: linear-gradient(135deg, #8FD14F 0%, #6db33f 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 40px;
            color: white;
        }
        
        .security-title {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #2c3e50;
        }
        
        .security-subtitle {
            font-size: 14px;
            color: #7f8c8d;
            margin-bottom: 30px;
        }
        
        .security-input {
            width: 100%;
            padding: 15px 20px;
            border: 2px solid #e0e0e0;
            border-radius: 10px;
            font-size: 16px;
            margin-bottom: 20px;
            transition: border-color 0.3s;
            text-align: center;
            letter-spacing: 2px;
        }
        
        .security-input:focus {
            outline: none;
            border-color: #8FD14F;
        }
        
        .security-input.error {
            border-color: #e74c3c;
            animation: shake 0.5s;
        }
        
        @keyframes shake {
            0%, 100% { transform: translateX(0); }
            25% { transform: translateX(-10px); }
            75% { transform: translateX(10px); }
        }
        
        .security-button {
            width: 100%;
            padding: 15px;
            background: linear-gradient(135deg, #8FD14F 0%, #6db33f 100%);
            color: white;
            border: none;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s; }