:root {
            --bg-color: #f5f5f5;
            --card-color: #ffffff;
            --text-color: #333333;
            --header-bg: #4dbcd7;
            --header-text: #ffffff;
            --border-color: #eeeeee;
            --secondary-text: #999999;
            --positive-color: #28a745;
            --negative-color: #dc3545;
        }

        .dark-mode {
            --bg-color: #121212;
            --card-color: #1e1e1e;
            --text-color: #e0e0e0;
            --header-bg: #4dbcd7;
            --header-text: #ffffff;
            --border-color: #333333;
            --secondary-text: #aaaaaa;
            --positive-color: #2ecc71;
            --negative-color: #e74c3c;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            transition: background-color 0.3s, color 0.3s;
        }
        
        body {
            background-color: var(--bg-color);
            color: var(--text-color);
            padding: 10px;
            display: flex;
            justify-content: center;
            align-items: flex-start;
            min-height: 100vh;
            margin: 0;
        }
        
        .crypto-container {
            max-width: 1200px;
            margin: 0 auto;
            background-color: var(--card-color);
            border-radius: 8px;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
            overflow: hidden;
            width: 100%;
        }
        
        .crypto-header {
            background-color: var(--header-bg);
            color: var(--header-text);
            padding: 15px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .crypto-content {
            padding: 20px;
        }
        
        .crypto-title {
            font-size: 1.8rem;
            margin-bottom: 20px;
            text-align: center;
        }
        
        .crypto-subtitle {
            color: var(--secondary-text);
            margin-bottom: 30px;
            line-height: 1.6;
            text-align: center;
        }
        
        .crypto-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 20px;
        }
        
        .crypto-table th {
            background-color: var(--header-bg);
            color: var(--header-text);
            padding: 12px 15px;
            text-align: left;
        }
        
        .crypto-table td {
            padding: 12px 15px;
            border-bottom: 1px solid var(--border-color);
        }
        
        .crypto-table tr:hover {
            background-color: rgba(77, 188, 215, 0.1);
        }
        .crypto-icon {
            width: 24px;
            height: 24px;
            margin-left: auto;
            vertical-align: middle;
        }
        .positive {
            color: var(--positive-color);
        }
        
        .negative {
            color: var(--negative-color);
        }
        
        .search-box {
            margin: 20px 0;
            display: flex;
            justify-content: center;
        }
        
        .search-input {
            padding: 10px 15px;
            width: 70%;
            max-width: 500px;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            font-size: 1rem;
            margin-right: 10px;
            background-color: var(--card-color);
            color: var(--text-color);
        }
        
        .search-button {
            padding: 10px 20px;
            background-color: var(--header-bg);
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
        }
        
        .theme-toggle {
            background: none;
            border: none;
            color: var(--header-text);
            cursor: pointer;
            font-size: 16px;
            display: flex;
            align-items: center;
            gap: 5px;
        }
        
        .last-updated {
            margin-top: 20px;
            color: var(--secondary-text);
            font-size: 0.9rem;
            text-align: center;
        }
        
        .loading {
            padding: 20px;
            text-align: center;
            color: var(--secondary-text);
        }
        
        .pagination {
            display: flex;
            justify-content: center;
            margin-top: 20px;
            gap: 10px;
        }
        
        .page-button {
            padding: 8px 16px;
            background-color: var(--card-color);
            color: var(--text-color);
            border: 1px solid var(--border-color);
            border-radius: 4px;
            cursor: pointer;
            text-decoration: none;
        }
        
        .page-button:hover {
            background-color: var(--header-bg);
            color: white;
            border-color: var(--header-bg);
        }
        
        .page-button.active {
            background-color: var(--header-bg);
            color: white;
            border-color: var(--header-bg);
        }
        
        .page-button:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }
        
        .home-button {
            left: 20px;
            padding: 8px 15px;
            background-color: #32afcd;
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            text-decoration: none;
            font-size: 14px;
            transition: background-color 0.3s;
        }

        .home-button:hover {
            background-color: #e0e0e0;
            color: #333;
        }
        
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: var(--secondary-text);
        }
        
        .breadcrumb a {
            color: var(--header-bg);
            text-decoration: none;
        }
        
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        
        .popular-coins {
            margin: 20px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }
        
        .popular-coin {
            padding: 8px 15px;
            background-color: var(--card-color);
            border: 1px solid var(--border-color);
            border-radius: 4px;
            color: var(--text-color);
            text-decoration: none;
            transition: all 0.3s;
        }
        
        .popular-coin:hover {
            background-color: var(--header-bg);
            color: white;
            border-color: var(--header-bg);
        }
        
        .footer {
            margin-top: 40px;
            padding: 20px 0;
            border-top: 1px solid var(--border-color);
            text-align: center;
            color: var(--secondary-text);
            font-size: 0.9rem;
        }
        
        .footer-links {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 15px;
        }
        
        .footer-link {
            color: var(--text-color);
            text-decoration: none;
        }
        
        .footer-link:hover {
            color: var(--header-bg);
            text-decoration: underline;
        }
        
        @media (max-width: 768px) {
            .crypto-table {
                width: 100%;
            }
            
            .crypto-table thead {
                display: none;
            }
            
            .crypto-table tr {
                display: block;
                margin-bottom: 15px;
                border: 1px solid var(--border-color);
                border-radius: 4px;
            }
            
            .crypto-table td {
                display: flex;
                justify-content: space-between;
                align-items: center;
                padding: 8px 15px;
                border-bottom: none;
            }
            
            .crypto-table td::before {
                content: attr(data-label);
                font-weight: bold;
                margin-right: 10px;
                color: var(--secondary-text);
            }
            
            .search-input {
                width: 100%;
                margin-right: 0;
                margin-bottom: 10px;
            }
            
            .search-box {
                flex-direction: column;
                align-items: center;
            }
            
            .pagination {
                flex-wrap: wrap;
            }
            
            .popular-coins {
                flex-direction: column;
                align-items: center;
            }
        }