.cfs-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
}

.cfs-form {
    background: #ffffff;
    padding: 30px;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
}

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

.cfs-form-group label {
    display: block;
    margin-bottom: 8px;
    color: #000000;
    font-weight: 500;
}

.cfs-form-group input[type="text"],
.cfs-form-group input[type="email"],
.cfs-form-group input[type="tel"],
.cfs-form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #d0d0d0;
    border-radius: 4px;
    font-size: 16px;
    color: #000000;
    background: #ffffff;
    box-sizing: border-box;
    transition: border-color 0.3s ease;
}

.cfs-form-group input:focus,
.cfs-form-group textarea:focus {
    outline: none;
    border-color: #000000;
}

.cfs-form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.cfs-submit-btn {
    width: 100%;
    padding: 14px 24px 14;
    background: #000000;
    color: #ffffff;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
}

.cfs-submit-btn:hover {
    background: #333333;
}

.cfs-submit-btn:disabled {
    background: #cccccc;
    cursor: not-allowed;
}

.cfs-message {
    margin-top: 20px;
    padding: 12px;
    border-radius: 4px;
    text-align: center;
}

.cfs-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.cfs-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

@media (max-width: 768px) {
    .cfs-container {
        padding: 10px;
    }
    
    .cfs-form {
        padding: 20px;
    }
    
    .cfs-form-group input,
    .cfs-form-group textarea {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .cfs-form {
        padding: 15px;
    }
    
    .cfs-form-group {
        margin-bottom: 15px;
    }
}