body {
    font-family: Arial, sans-serif;
    background: #f0f0f0;
    margin: 0;
    padding: 0;
}
.container {
    max-width: 700px;
    margin: 60px auto;
    padding: 35px;
    background-color: #ffffff;
    border-radius: 14px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}
h1 {
    text-align: center;
    color: #00897b;
}
.intro {
    text-align: center;
    font-size: 1.1em;
    color: #333;
    margin-bottom: 30px;
}
form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.form-group {
    display: flex;
    flex-direction: column;
}
label {
    font-weight: bold;
    color: #004d40;
    margin-bottom: 6px;
}
input[type="text"], input[type="email"], input[type="tel"], input[type="file"] {
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #ccc;
    font-size: 1em;
}
button {
    padding: 15px;
    font-size: 1.1em;
    background-color: #00897b;
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
}
button:hover {
    background-color: #00695c;
}
.payment-info {
    background-color: #e0f2f1;
    padding: 15px;
    border-left: 5px solid #00796b;
    border-radius: 8px;
}
.wallet {
    font-family: monospace;
    background-color: #fafafa;
    padding: 10px;
    border-radius: 6px;
    margin-top: 5px;
    word-break: break-word;
    font-size: 1em;
}
.pending-msg {
    margin-top: 30px;
    text-align: center;
    font-style: italic;
    color: #777;
}
.back-button {
    display: block;
    width: fit-content;
    margin: 20px auto 0;
    padding: 10px 20px;
    background-color: #00796b;
    color: white;
    text-decoration: none;
    border-radius: 6px;
}