body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f0f4f8;
    transition: background-color 0.4s ease, color 0.4s ease;
}

.container {
    text-align: center;
    padding: 40px;
    border: 1px solid #ccc;
    border-radius: 15px;
    background-color: #fff;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.counter {
    font-size: 4em;
    font-weight: bold;
    margin-bottom: 30px;
    transition: transform 0.2s ease;
}

.counter.animate {
    transform: scale(1.4);
}

button {
    padding: 12px 24px;
    font-size: 1em;
    margin: 8px;
    cursor: pointer;
    border: none;
    border-radius: 8px;
    background-color: #007bff;
    color: white;
    transition: all 0.2s ease;
}

button:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
}

.clicks {
    font-size: 1.2em;
    margin-top: 15px;
    color: #555;
}

#themeBtn {
    margin-top: 25px;
    padding: 14px 28px;
    font-weight: bold;
    background-color: #6c757d;
}


body.dark-mode {
    background-color: #121212;
    color: #e0e0e0;
}

body.dark-mode .container {
    background-color: #1e1e1e;
    border-color: #444;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

body.dark-mode button {
    background-color: #410610;
    color: #fff;
}

body.dark-mode button:hover {
    background-color: #05361f;
}

body.dark-mode .clicks {
    color: #bbb;
}

body.dark-mode #themeBtn {
    background-color: #495057;
}

body.dark-mode #themeBtn:hover {
    background-color: #6c757d;
}