/* General Styles */
body {
    margin: 0;
    padding: 0;
    font-family: 'Arial', sans-serif;
    background-color: #121212;
    color: #fff;
}

/* Container */
.pin-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    text-align: center;
}

/* Header */
header h1 {
    font-size: 28px;
    color: #4caf50;
    margin-bottom: 20px;
}

/* PIN Section */
.pin-section h2 {
    font-size: 20px;
    color: #4caf50;
    margin-bottom: 15px;
}

#pin-input {
    width: 80%;
    max-width: 300px;
    padding: 10px;
    border: 1px solid #4caf50;
    border-radius: 5px;
    background-color: #1f1f1f;
    color: #fff;
    font-size: 18px;
    text-align: center;
    outline: none;
    margin-bottom: 15px;
}

#pin-input::placeholder {
    color: #aaa;
}

.set-pin-btn {
    padding: 10px 20px;
    font-size: 16px;
    background-color: #4caf50;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.set-pin-btn:hover {
    background-color: #66bb6a;
    transform: scale(1.05);
}

#pin-message {
    margin-top: 10px;
    color: #4caf50;
    font-size: 16px;
}

/* Footer */
.footer {
    position: absolute;
    bottom: 10px;
    width: 100%;
    text-align: center;
    color: #aaa;
}