body {
        background: linear-gradient(120deg, #f6d365 0%, #fda085 100%);
        font-family: 'Segoe UI', Arial, sans-serif;
        min-height: 100vh;
        margin: 0;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .container {
        background: #fff;
        border-radius: 18px;
        padding: 2.5em 2em 2em 2em;
        box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.12);
        max-width: 350px;
        width: 100%;
        text-align: center;
    }
    h1 {
        color: #374151;
        margin-bottom: 1.8em;
        font-size: 1.6em;
        letter-spacing: 1px;
    }
    input[type="text"] {
        padding: 0.65em 1em;
        width: 80%;
        font-size: 1em;
        margin-bottom: 1em;
        border: 1px solid #e0e0e0;
        border-radius: 7px;
        transition: border-color 0.2s;
        box-sizing: border-box;
    }
    input[type="text"]:focus {
        border-color: #fda085;
        outline: none;
    }
    button {
        background: linear-gradient(90deg, #f20072 0%, #fdca40 100%);
        color: #fff;
        font-weight: bold;
        padding: 0.65em 1.2em;
        border: none;
        border-radius: 7px;
        cursor: pointer;
        font-size: 1em;
        transition: background 0.2s, transform 0.1s;
        box-shadow: 0 5px 16px rgba(252, 56, 56, 0.08);
    }
    button:hover {
        background: linear-gradient(90deg, #e6026b 0%, #fdca40 80%);
        transform: translateY(-2px) scale(1.03);
    }
    #result {
        margin-top: 1.5em;
        font-size: 1.15em;
        font-weight: 500;
        color: #f20072;
        min-height: 28px;
    }