body {
    font-family: 'IRANSans', sans-serif;
    background: #f3f3f3;
    margin: 0;
    padding: 0;
}

.container {
    width: 95%;
    max-width: 450px;
    background: #fff;
    padding: 25px;
    margin: 40px auto;
    border-radius: 12px;
    box-shadow: 0 0 15px rgba(0,0,0,.1);
}

h2 {
    text-align: center;
    margin-bottom: 20px;
}

label {
    margin-top: 12px;
    display: block;
    font-size: 14px;
}

input, select {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    border-radius: 8px;
    border: 1px solid #ccc;
}

button {
    width: 100%;
    padding: 12px;
    background: #007bff;
    color: #fff;
    border: none;
    border-radius: 8px;
    margin-top: 20px;
    font-size: 16px;
    cursor: pointer;
}

button:hover {
    background: #0059c1;
}

.courses label {
    display: block;
    margin-top: 5px;
}

.captcha-box {
    display: flex;
    align-items: center;
    gap: 10px;
}

#captcha_code {
    padding: 10px 15px;
    background: #eee;
    border-radius: 8px;
    font-weight: bold;
}