body {
    background-color: #f8f9fa;
    font-family: 'Vazir', sans-serif;
}

.response-container {
    max-width: 800px;
    margin: 50px auto;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border-radius: 15px;
    overflow: hidden;
}

#inner-message-header {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 20px;
}

.message-content {
    background-color: white;
    padding: 30px;
    border-left: 4px solid var(--secondary-color);
}

.response-form {
    background-color: white;
    padding: 30px;
    border-top: 1px solid #eee;
}

.avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid rgba(255,255,255,0.3);
}

.btn-send {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border: none;
    padding: 10px 25px;
    font-weight: bold;
}

    .btn-send:hover {
        opacity: 0.9;
    }

.form-control:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.25rem rgba(39, 117, 252, 0.25);
}