:root {
    --background-color: #f0f2f5;
    --container-background: #fff;
    --text-color: #333;
    --button-background: #4CAF50;
    --button-hover: #45a049;
    --number-shadow: rgba(0, 0, 0, 0.2);
    --container-shadow: rgba(0, 0, 0, 0.1);
}

body.dark {
    --background-color: #121212;
    --container-background: #1e1e1e;
    --text-color: #fff;
    --button-background: #bb86fc;
    --button-hover: #9e67e3;
    --number-shadow: rgba(255, 255, 255, 0.2);
    --container-shadow: rgba(255, 255, 255, 0.1);
}

body {
    font-family: 'Arial', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    transition: background-color 0.3s, color 0.3s;
}

.container {
    text-align: center;
    background-color: var(--container-background);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 20px var(--container-shadow);
    transition: background-color 0.3s;
}

h1 {
    color: var(--text-color);
    margin-bottom: 30px;
}

.numbers-container {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
}

.number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    font-size: 24px;
    font-weight: bold;
    box-shadow: 0 4px 8px var(--number-shadow);
    transition: transform 0.3s ease;
}

.number:hover {
    transform: scale(1.1);
}

button {
    background-color: var(--button-background);
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin-top: 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: var(--button-hover);
}

#theme-toggle {
    background-color: var(--button-background);
}

    #theme-toggle:hover {
        background-color: var(--button-hover);
    }

    /* Form Styles */
    h2 {
        color: var(--text-color);
        margin-top: 40px;
        margin-bottom: 20px;
    }

    .contact-form {
        display: flex;
        flex-direction: column;
        gap: 15px;
        width: 100%;
        max-width: 400px;
        margin: 0 auto;
    }

    .form-group {
        display: flex;
        flex-direction: column;
        text-align: left;
    }

    .form-group label {
        margin-bottom: 5px;
        color: var(--text-color);
        font-weight: bold;
    }

    .form-group input[type="text"],
    .form-group input[type="email"],
    .form-group textarea {
        padding: 10px;
        border: 1px solid #ccc;
        border-radius: 5px;
        background-color: var(--container-background);
        color: var(--text-color);
        transition: border-color 0.3s;
    }

    .form-group input[type="text"]:focus,
    .form-group input[type="email"]:focus,
    .form-group textarea:focus {
        border-color: var(--button-background);
        outline: none;
    }

    .contact-form button[type="submit"] {
        margin-top: 20px;
        background-color: var(--button-background);
        color: white;
        padding: 12px 20px;
        border: none;
        border-radius: 8px;
        cursor: pointer;
        transition: background-color 0.3s;
        font-size: 16px;
    }

    .contact-form button[type="submit"]:hover {
        background-color: var(--button-hover);
    }