/* CSS Variables for Theme Switching */
        :root {
            /* Dark Theme (Default) */
            --primary: #00c853;
            --primary-dark: #009624;
            --primary-light: #5efc82;
            
            --bg-primary: #0a0a0a;
            --bg-secondary: #121212;
            --bg-tertiary: #1e1e1e;
            --bg-quaternary: #2a2a2a;
            
            --text-primary: #ffffff;
            --text-secondary: #f5f5f7;
            --text-tertiary: #e5e5ea;
            --text-muted: #8e8e93;
            --text-disabled: #636366;
            
            --border-color: rgba(255, 255, 255, 0.08);
            --border-light: rgba(255, 255, 255, 0.05);
            
            --card-bg: rgba(18, 18, 18, 0.85);
            --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.36);
            
            --success: #34c759;
            --warning: #ff9500;
            --danger: #ff3b30;
            --info: #5ac8fa;
            
            --glass-bg: rgba(18, 18, 18, 0.85);
            --glass-border: rgba(255, 255, 255, 0.08);
            --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.36);
            
            --gradient-primary: linear-gradient(135deg, var(--primary), var(--primary-dark));
            --gradient-text: linear-gradient(135deg, var(--text-primary), var(--primary-light));
            
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

        [data-theme="light"] {
            /* Light Theme */
            --bg-primary: #f8f9fa;
            --bg-secondary: #ffffff;
            --bg-tertiary: #f1f3f5;
            --bg-quaternary: #e9ecef;
            
            --text-primary: #212529;
            --text-secondary: #495057;
            --text-tertiary: #6c757d;
            --text-muted: #adb5bd;
            --text-disabled: #ced4da;
            
            --border-color: rgba(0, 0, 0, 0.08);
            --border-light: rgba(0, 0, 0, 0.05);
            
            --card-bg: rgba(255, 255, 255, 0.85);
            --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
            
            --glass-bg: rgba(255, 255, 255, 0.85);
            --glass-border: rgba(0, 0, 0, 0.08);
            --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
            
            --gradient-text: linear-gradient(135deg, var(--text-primary), var(--primary));
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            transition: background-color 0.3s ease, border-color 0.3s ease;
        }

        html {
            font-size: 16px;
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            transition: var(--transition);
        }

        /* Theme Toggle Button */
        .theme-toggle {
            position: fixed;
            bottom: 32px;
            right: 32px;
            width: 56px;
            height: 56px;
            border-radius: 0;
            background: var(--card-bg);
            backdrop-filter: blur(20px);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            z-index: 1000;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
        }

        .theme-toggle:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(0, 200, 83, 0.2);
            border-color: var(--primary);
        }

        .theme-toggle i {
            font-size: 24px;
            color: var(--primary);
            transition: transform 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55);
        }

        [data-theme="light"] .theme-toggle i.fa-moon {
            display: none;
        }

        [data-theme="light"] .theme-toggle i.fa-sun {
            display: block;
        }

        .theme-toggle i.fa-sun {
            display: none;
        }

        [data-theme="dark"] .theme-toggle i.fa-moon {
            display: block;
        }

        /* Glass Morphism Base */
        .glass {
            background: var(--glass-bg);
            backdrop-filter: blur(20px) saturate(180%);
            -webkit-backdrop-filter: blur(20px) saturate(180%);
            border: 1px solid var(--glass-border);
            box-shadow: var(--glass-shadow);
        }

        .glass-light {
            background: var(--bg-tertiary);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        /* Layout */
        .dashboard-container {
            display: grid;
            grid-template-columns: 280px 1fr;
            min-height: 100vh;
            position: relative;
        }

        /* Sidebar */
        .sidebar {
            position: fixed;
            left: 0;
            top: 0;
            height: 100vh;
            width: 280px;
            z-index: 1000;
            padding: 0;
            border-right: 1px solid var(--border-color);
            background: var(--bg-secondary);
            overflow-y: auto;
            transition: var(--transition);
        }

        .sidebar::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--primary), transparent);
        }

        .logo-container {
            padding: 32px 24px;
            position: relative;
            overflow: hidden;
            background: var(--bg-secondary);
        }

        .logo-container::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 24px;
            right: 24px;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-color), transparent);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 16px;
            transition: var(--transition);
        }

        .logo-icon {
            width: 44px;
            height: 44px;
            background: var(--gradient-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 0;
            font-size: 22px;
            color: white;
            box-shadow: 0 4px 20px rgba(0, 200, 83, 0.3);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { box-shadow: 0 4px 20px rgba(0, 200, 83, 0.3); }
            50% { box-shadow: 0 4px 30px rgba(0, 200, 83, 0.5); }
        }

        .logo-text h1 {
            font-size: 22px;
            font-weight: 800;
            background: var(--gradient-text);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
        }

        .logo-text p {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-top: 4px;
        }

        /* Navigation */
        .nav-menu {
            padding: 24px 16px;
            background: var(--bg-secondary);
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            color: var(--text-muted);
            text-decoration: none;
            border-radius: 0;
            margin-bottom: 8px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            background: var(--bg-secondary);
        }

        .nav-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            height: 100%;
            width: 3px;
            background: var(--primary);
            transform: translateX(-10px);
            transition: var(--transition);
        }

        .nav-item:hover {
            background: var(--bg-tertiary);
            color: var(--text-primary);
            transform: translateX(4px);
        }

        .nav-item:hover::before {
            transform: translateX(0);
        }

        .nav-item.active {
            background: rgba(0, 200, 83, 0.1);
            color: var(--primary);
        }

        .nav-item.active::before {
            transform: translateX(0);
        }

        .nav-item i {
            font-size: 20px;
            width: 24px;
            text-align: center;
        }

        .nav-item span {
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.3px;
        }

        /* Main Content */
        .main-content {
            grid-column: 2;
            padding: 24px 32px;
            animation: fadeIn 0.8s ease-out;
            background: var(--bg-primary);
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* Header */
        .header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 32px;
            padding-bottom: 24px;
            border-bottom: 1px solid var(--border-color);
            position: relative;
            background: var(--bg-primary);
        }

        .header::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            width: 100px;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), transparent);
        }

        .page-title h1 {
            font-size: 32px;
            font-weight: 800;
            background: var(--gradient-text);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -1px;
        }

        .page-title p {
            color: var(--text-muted);
            font-size: 14px;
            margin-top: 6px;
        }

        /* Filter Controls */
        .filter-controls {
            display: flex;
            gap: 16px;
            align-items: center;
            background: var(--bg-primary);
        }

        .filter-group {
            position: relative;
        }

        .filter-group label {
            display: block;
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 6px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .date-input, .select-input {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            padding: 12px 16px;
            font-size: 14px;
            min-width: 180px;
            transition: var(--transition);
        }

        .date-input:focus, .select-input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 200, 83, 0.1);
        }

        .apply-btn {
            background: var(--gradient-primary);
            color: white;
            border: none;
            padding: 12px 28px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            letter-spacing: 0.5px;
            align-self: flex-end;
            margin-top: 20px;
        }

        .apply-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(0, 200, 83, 0.3);
        }

        .apply-btn:active {
            transform: translateY(0);
        }

        .apply-btn i {
            margin-right: 8px;
        }

        /* KPI Cards Grid */
        .kpi-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 24px;
            margin-bottom: 40px;
        }

        .kpi-card {
            padding: 28px;
            border-radius: 0;
            position: relative;
            overflow: hidden;
            transition: var(--transition);
            cursor: pointer;
            animation: cardFloat 3s ease-in-out infinite;
            animation-play-state: paused;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
        }

        .kpi-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
            animation-play-state: running;
            border-color: var(--primary);
        }

        @keyframes cardFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }

        .kpi-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--primary), transparent);
        }

        .kpi-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 24px;
        }

        .kpi-title {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .kpi-icon {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-tertiary);
            font-size: 22px;
            position: relative;
            overflow: hidden;
            color: var(--primary);
        }

        .kpi-icon::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(0, 200, 83, 0.1), transparent);
            opacity: 0;
            transition: var(--transition);
        }

        .kpi-card:hover .kpi-icon::before {
            opacity: 1;
        }

        .kpi-value {
            font-size: 42px;
            font-weight: 800;
            background: var(--gradient-text);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1;
            margin-bottom: 12px;
            letter-spacing: -1px;
        }

        .kpi-trend {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
        }

        .trend-up {
            color: var(--success);
        }

        .trend-down {
            color: var(--danger);
        }

        /* Charts Grid */
        .charts-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
            gap: 32px;
            margin-bottom: 40px;
        }

        .chart-container {
            padding: 32px;
            border-radius: 0;
            position: relative;
            overflow: hidden;
            transition: var(--transition);
            background: var(--card-bg);
            border: 1px solid var(--border-color);
        }

        .chart-container:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
            border-color: var(--primary);
        }

        .chart-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 32px;
            position: relative;
        }

        .chart-header::after {
            content: '';
            position: absolute;
            bottom: -16px;
            left: 0;
            width: 60px;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), transparent);
        }

        .chart-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.5px;
        }

        .chart-actions {
            display: flex;
            gap: 8px;
        }

        .chart-btn {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            padding: 8px 16px;
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
        }

        .chart-btn:hover {
            background: var(--bg-quaternary);
            color: var(--text-primary);
        }

        .chart-btn.active {
            background: var(--primary);
            color: white;
            border-color: var(--primary);
        }

        .chart-wrapper {
            height: 300px;
            position: relative;
        }

        /* Status Cards */
        .status-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 24px;
            margin-top: 32px;
        }

        .status-card {
            padding: 28px;
            border-radius: 0;
            position: relative;
            overflow: hidden;
            transition: var(--transition);
            background: var(--card-bg);
            border: 1px solid var(--border-color);
        }

        .status-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
        }

        .status-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
        }

        .status-title {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .status-icon {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-tertiary);
            font-size: 18px;
            border-radius: 0;
            color: inherit;
        }

        .status-count {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .status-progress {
            height: 4px;
            background: var(--bg-tertiary);
            position: relative;
            overflow: hidden;
        }

        .status-progress::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            height: 100%;
            width: 100%;
            background: linear-gradient(90deg, currentColor, transparent);
            transform: translateX(-100%);
            animation: shimmer 2s infinite;
        }

        @keyframes shimmer {
            100% { transform: translateX(100%); }
        }

        /* Footer */
        .footer {
            text-align: center;
            padding: 32px 0;
            margin-top: 60px;
            border-top: 1px solid var(--border-color);
            position: relative;
            background: var(--bg-primary);
        }

        .footer::before {
            content: '';
            position: absolute;
            top: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 200px;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--primary), transparent);
        }

        .footer p {
            color: var(--text-muted);
            font-size: 14px;
        }

        /* Mobile Responsiveness */
        @media (max-width: 1200px) {
            .charts-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 992px) {
            .dashboard-container {
                grid-template-columns: 1fr;
            }
            
            .sidebar {
                transform: translateX(-100%);
                width: 320px;
                background: var(--bg-secondary);
            }
            
            .sidebar.active {
                transform: translateX(0);
            }
            
            .main-content {
                grid-column: 1;
                padding: 20px;
            }
            
            .header {
                flex-direction: column;
                align-items: flex-start;
                gap: 24px;
            }
            
            .filter-controls {
                flex-wrap: wrap;
                width: 100%;
            }
            
            .theme-toggle {
                bottom: 20px;
                right: 20px;
            }
        }

        @media (max-width: 768px) {
            .kpi-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .charts-grid {
                grid-template-columns: 1fr;
            }
            
            .chart-container {
                padding: 20px;
            }
            
            .kpi-card {
                padding: 20px;
            }
            
            .kpi-value {
                font-size: 32px;
            }
        }

        @media (max-width: 576px) {
            .kpi-grid {
                grid-template-columns: 1fr;
            }
            
            .status-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .filter-controls {
                flex-direction: column;
                align-items: stretch;
            }
            
            .date-input, .select-input {
                min-width: 100%;
            }
            
            .apply-btn {
                width: 100%;
            }
            
            .theme-toggle {
                width: 48px;
                height: 48px;
                bottom: 16px;
                right: 16px;
            }
        }

        /* Mobile Menu Toggle */
        .mobile-menu-toggle {
            display: none;
            position: fixed;
            top: 24px;
            left: 24px;
            z-index: 1001;
            background: var(--primary);
            color: white;
            border: none;
            width: 48px;
            height: 48px;
            border-radius: 0;
            font-size: 20px;
            cursor: pointer;
            transition: var(--transition);
        }

        @media (max-width: 992px) {
            .mobile-menu-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
        }

        /* Loading Animation */
        .loading {
            position: relative;
            overflow: hidden;
        }

        .loading::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(90deg, transparent, var(--border-color), transparent);
            animation: loading 1.5s infinite;
        }

        @keyframes loading {
            0% { transform: translateX(-100%); }
            100% { transform: translateX(100%); }
        }

        /* Custom Scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }

        ::-webkit-scrollbar-track {
            background: var(--bg-tertiary);
        }

        ::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 0;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary-light);
        }

        /* Theme Transition */
        * {
            transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
        }