* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f5f5;
}

.register-container {
    display: flex;
    min-height: 100vh;
}

.register-image {
    flex: 1;
    background-color: #2c3e50;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

    .register-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        opacity: 0.9;
    }

.register-form {
    flex: 1;
    padding: 50px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background-color: #ffffff;
    direction: rtl;
}

.logo {
    text-align: center;
    margin-bottom: 30px;
}

    .logo h1 {
        color: #2c3e50;
        font-size: 28px;
        font-weight: 700;
    }

.register-form h2 {
    color: #333;
    margin-bottom: 30px;
    text-align: center;
    font-size: 24px;
}

.form-group {
    margin-bottom: 20px;
}

    .form-group label {
        display: block;
        margin-bottom: 8px;
        color: #555;
        font-size: 14px;
    }

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    transition: border 0.3s;
}

    .form-control:focus {
        border-color: #3498db;
        outline: none;
    }

.btn-register {
    width: 100%;
    padding: 12px;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
    margin-top: 20px;
}

    .btn-register:hover {
        background-color: #2980b9;
    }

.login-link {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
}

    .login-link a {
        color: #3498db;
        text-decoration: none;
        font-weight: 500;
    }

.text-danger {
    color: #e74c3c;
    font-size: 13px;
    margin-top: 5px;
    display: block;
}

.text-success {
    color: #27ae60;
    font-size: 14px;
    margin-top: 15px;
    text-align: center;
}

.password-strength {
    height: 5px;
    background: #eee;
    margin-top: 5px;
    border-radius: 3px;
    overflow: hidden;
}

.strength-meter {
    height: 100%;
    width: 0%;
    transition: width 0.3s, background-color 0.3s;
}
* کپچا */
#imgCaptcha {
    height: 50px;
    cursor: pointer;
    background-color: var(--light-gray);
    padding: 3px;
}
/* موبایل: کپچا زیر هم */
@media (max-width: 768px) {
    /* کانتینر کپچا */
    .captcha-container,
    .d-flex.align-items-center.gap-3 {
        flex-direction: column !important; /* زیر هم */
        align-items: stretch !important; /* پر کردن عرض */
        gap: 8px !important; /* فاصله استاندارد */
    }

    /* TextBox کپچا */
    .captcha-input,
    #txtCaptcha {
        width: 100% !important;
        height: 42px !important;
    }

    /* تصویر کپچا */
    .captcha-image,
    #imgCaptcha {
        width: 100% !important;
        height: 42px !important;
    }
}