.cashier-interface {
    background-color: #1d1d1d;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
    color: #fff;
    text-align: center;
}

h1 {
    font-size: 40px;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    color: #fff;
}

h2 {
    font-size: 20px;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    color: #cecece;
    margin-top: 20px;
    margin-bottom: 15px;
    font-weight: 500;
    letter-spacing: 1px;
}

ul {
    font-size: 30px;
    list-style: none;
    padding: 0;
    color: #fff;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

li {
    margin-bottom: 10px;
}

button {
    background-color: #5f5f5f;
    color: #fff;
    border: none;
    padding: 15px 30px; /* Increase padding for larger touch area */
    font-size: 18px; /* Increase font size for better readability */
    border-radius: 5px;
    cursor: pointer;
    margin-right: 10px;
    margin-bottom: 10px; /* Add space between buttons */
    transition: background-color 0.3s, transform 0.1s; /* Smooth transition for hover and active states */
}

button:hover {
    background-color: #cecece;
    color: black;
}

button:active {
    transform: scale(0.95); /* Slightly shrink button when pressed */
}

#customer-name {
    padding: 10px;
    font-size: 18px; /* Increase font size for better readability */
    margin-bottom: 10px;
    border-radius: 5px;
    border: 1px solid #ccc;
    margin-right: 10px;
}

.custom-item-input {
    padding: 10px;
    font-size: 18px;
    margin-bottom: 10px;
    border-radius: 5px;
    border: 1px solid #ccc;
    margin-right: 10px;
    background: #fff;
    color: #000;
}

p {
    font-size: 30px;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    color: #fff;
}

body {
    background-color: #1d1d1d;
}

#customer {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    background-color: #5f5f5f;
    color: #fff;
    position: absolute;
    top: 20px;  /* Adjust the top distance */
    right: 20px; /* Adjust the right distance */
}

#customer:hover {
    background-color: #cecece;
    color: black;
}

/* Modal styles */
#confirmation-modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    text-align: center;
    justify-content: center;
    align-items: center;
}

#confirmation-modal-content {
    background-color: #3d3d3d;
    color: #fff; /* Ensure text is visible against the dark background */
    padding: 20px;
    margin: 100px auto;
    border-radius: 10px;
    width: 300px;
    text-align: left;
}

#confirm-button, #cancel-button {
    padding: 15px 25px; /* Increase padding for larger touch area */
    margin: 10px;
    border-radius: 5px;
    cursor: pointer;
    border: none;
    font-size: 18px; /* Increase font size for better readability */
}

#confirm-button {
    background-color: #4CAF50;
    color: white;
}

#cancel-button {
    background-color: #f44336;
    color: white;
}

/* New styles for the tip iframe content */
#tip-modal-iframe {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background-color: #3d3d3d;
    border-radius: 10px;
    border: none;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
    display: none; /* Initially hidden */
}