* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    padding: 1rem;
    overflow: hidden;
}

.container {
    text-align: center;
    background-color: white;
    padding: 2rem 3rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    width: 90%;
    max-width: 400px;
}

h1 {
    color: #333;
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

.counter-display {
    font-size: 2.5rem;
    font-weight: bold;
    color: #007bff;
    margin-bottom: 1.5rem;
}

.big-button {
    background-color: #dc3545;
    color: white;
    border: none;
    width: 150px;
    height: 150px;
    font-size: 3rem;
    font-weight: bold;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 6px 12px rgba(220, 53, 69, 0.3);
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}

.big-button:hover {
    background-color: #c82333;
    transform: scale(1.05);
    box-shadow: 0 8px 16px rgba(220, 53, 69, 0.4);
}

.big-button:active {
    transform: scale(0.95);
}

.qr-container {
    margin-top: 1rem;
    text-align: center;
}

.qr-container img {
    background-color: white;
    padding: 0.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    width: 150px;
    height: 150px;
}