body {
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            background: linear-gradient(135deg, #007ced, #121212);
            font-family: Arial, sans-serif;
            margin: 0;
            color: #fff;
        }
        .container {
            display: flex;
            width: 90%;
            max-width: 1200px;
        }
        .search-area {
            flex: 2;
            text-align: center;
            padding: 20px;
            border-radius: 10px;
            background: rgba(0, 0, 0, 0.7);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
        }
        .history-area {
            flex: 1;
            margin-left: 20px;
            padding: 20px;
            border-radius: 10px;
            background: rgba(0, 0, 0, 0.7);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
            max-height: 400px;
            overflow-y: auto;
        }
        input[type="number"] {
            padding: 10px;
            border: 2px solid #007ced;
            border-radius: 5px;
            font-size: 1rem;
            width: 80%;
            margin-bottom: 20px;
        }
        button {
            background-color: #007ced;
            color: #fff;
            border: none;
            padding: 10px 20px;
            font-size: 1rem;
            cursor: pointer;
            border-radius: 5px;
            transition: background-color 0.3s;
        }
        button:hover {
            background-color: #005bb5;
        }
        .link-container {
            margin-top: 20px;
        }
        a {
            color: #00ff7f;
            text-decoration: none;
            font-weight: bold;
        }
        a:hover {
            text-decoration: underline;
        }
        .history-area h2 {
            font-size: 1.2rem;
            margin-bottom: 10px;
        }
        .history-item {
            margin-bottom: 10px;
            font-size: 1rem;
            font-weight: bold;
            color: #007ced;
            cursor: pointer;
        }
        .history-item:hover {
            text-decoration: underline;
        }
        .clear-history {
            background-color: red;
            color: white;
            padding: 10px;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            margin-top: 10px;
        }
        .clear-history:hover {
            background-color: darkred;
        }