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

.kcf-form {
    background: #ffffff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.kcf-form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
    font-size: 14px;
}

.kcf-required {
    color: #e74c3c;
}

.kcf-form-group input[type="text"],
.kcf-form-group input[type="email"],
.kcf-form-group input[type="tel"],
.kcf-form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s;
    box-sizing: border-box;
}

.kcf-form-group input:focus,
.kcf-form-group textarea:focus {
    outline: none;
    border-color: #3498db;
}

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

.kcf-submit {
    background: #3498db;
    color: #fff;
    padding: 12px 30px;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

.kcf-submit:hover {
    background: #2980b9;
}

.kcf-submit:disabled {
    background: #95a5a6;
    cursor: not-allowed;
}

.kcf-response {
    margin-top: 20px;
    padding: 15px;
    border-radius: 4px;
    display: none;
}

.kcf-response.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    display: block;
}

.kcf-response.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    display: block;
}

/* Loading state */
.kcf-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.6;
}

.kcf-loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}