body {
    font-family: Arial, sans-serif;
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    background-color: #1a1a2e;
}

h1, h2 {
    color: #f472b6;
    text-align: center;
}

.container {
    background-color: #2d2d2d;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    border: 1px solid #3d3d5c;
}

#price-display {
    font-size: 1.2em;
    font-weight: bold;
    text-align: center;
    margin-bottom: 20px;
    color: #f472b6;
}

.input-group {
    margin-bottom: 15px;
}

.input-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #e0e0e0;
}

.input-group input {
    width: 100%;
    padding: 8px;
    border: 1px solid #f472b6;
    border-radius: 4px;
    box-sizing: border-box;
    background-color: #3d3d3d;
    color: #e0e0e0;
}

.input-group input:focus {
    outline: none;
    border-color: #fb7185;
    box-shadow: 0 0 5px rgba(244, 114, 182, 0.3);
}

.input-group input::placeholder {
    color: #888;
}

button {
    background-color: #ec4899;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    width: 100%;
    margin-bottom: 20px;
}

button:hover {
    background-color: #db2777;
}

.change-due {
    margin-top: 20px;
    padding: 10px;
    border-radius: 4px;
    background-color: #2d2d2d;
    border: 1px solid #f472b6;
    min-height: 50px;
    white-space: pre-wrap;
    color: #f472b6;
}

.drawer {
    margin-top: 30px;
    padding: 15px;
    background-color: #2d2d2d;
    border-radius: 4px;
    border: 1px solid #3d3d5c;
}

#drawer-display {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.drawer-item {
    display: flex;
    justify-content: space-between;
    padding: 5px;
    border-bottom: 1px solid #3d3d5c;
    color: #e0e0e0;
}

.drawer-item strong {
    color: #f472b6;
}