:root {
            --color-primary: #ff6a00;
            --color-primary-dark: #e55f00;
            --color-success: #10b981;
            --color-warning: #fbbf24;
            --color-danger: #ef4444;
            --color-text: #1f2937;
            --color-text-light: #6b7280;
            --color-border: #e5e7eb;
            --color-bg: #f5f5f5;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.5;
        }
        
        /* Scrollbar */
        ::-webkit-scrollbar {
            width: 10px;
        }
        
        ::-webkit-scrollbar-track {
            background: #f1f1f1;
        }
        
        ::-webkit-scrollbar-thumb {
            background: #888;
            border-radius: 5px;
        }
        
        ::-webkit-scrollbar-thumb:hover {
            background: #555;
        }
        
        /* Global utilities */
        .container {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        a {
            text-decoration: none;
            color: inherit;
        }
        
        button {
            font-family: inherit;
        }
        
        /* Toast Notifications */
        .toast-container {
            position: fixed;
            top: 80px;
            right: 20px;
            z-index: 10000;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        
        .toast {
            min-width: 300px;
            background: #fff;
            padding: 16px 20px;
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            display: flex;
            align-items: center;
            gap: 12px;
            animation: slideIn 0.3s ease;
        }
        
        @keyframes slideIn {
            from {
                transform: translateX(400px);
                opacity: 0;
            }
            to {
                transform: translateX(0);
                opacity: 1;
            }
        }
        
        .toast-success {
            border-left: 4px solid var(--color-success);
        }
        
        .toast-error {
            border-left: 4px solid var(--color-danger);
        }
        
        .toast-warning {
            border-left: 4px solid var(--color-warning);
        }
        
        .toast-icon {
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }
        
        .toast-content {
            flex: 1;
        }
        
        .toast-title {
            font-weight: 600;
            margin-bottom: 4px;
        }
        
        .toast-message {
            font-size: 14px;
            color: var(--color-text-light);
        }
        
        .toast-close {
            background: none;
            border: none;
            cursor: pointer;
            font-size: 20px;
            color: var(--color-text-light);
            padding: 0;
            width: 24px;
            height: 24px;
        }
        
        /* Loading Overlay */
        .loading-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0,0,0,0.5);
            display: none;
            align-items: center;
            justify-content: center;
            z-index: 9999;
        }
        
        .loading-overlay.active {
            display: flex;
        }
        
        .spinner {
            width: 60px;
            height: 60px;
            border: 4px solid rgba(255,255,255,0.3);
            border-top-color: #fff;
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }
        
        @keyframes spin {
            to { transform: rotate(360deg); }
        }