/**
 * KurseBuchen Frontend Styles
 */

/* Lead Form */
.kb-lead-form-wrapper {
    max-width: 500px;
    margin: 0 auto;
}

.kb-lead-form {
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.kb-form-title {
    margin: 0 0 1.5rem;
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
}

.kb-form-row {
    margin-bottom: 1rem;
}

.kb-form-row-half {
    display: flex;
    gap: 1rem;
}

.kb-form-row-half .kb-form-field {
    flex: 1;
}

.kb-form-field label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
}

.kb-form-field .required {
    color: #e74c3c;
}

.kb-form-field .optional {
    color: #999;
    font-weight: 400;
}

.kb-form-field input[type="text"],
.kb-form-field input[type="email"],
.kb-form-field input[type="tel"] {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.kb-form-field input:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.kb-form-checkbox {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.kb-form-checkbox label {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-weight: 400;
    cursor: pointer;
}

.kb-form-checkbox input[type="checkbox"] {
    margin-top: 3px;
    flex-shrink: 0;
}

.kb-privacy-link {
    font-size: 0.85rem;
    color: #3498db;
}

.kb-submit-btn {
    width: 100%;
    padding: 1rem 2rem;
    background: #3498db;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

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

.kb-submit-btn:disabled {
    background: #bdc3c7;
    cursor: not-allowed;
}

.kb-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: kb-spin 0.8s linear infinite;
    margin-right: 0.5rem;
    vertical-align: middle;
}

@keyframes kb-spin {
    to { transform: rotate(360deg); }
}

/* Messages */
.kb-form-messages {
    margin-top: 1rem;
}

.kb-message {
    padding: 1rem;
    border-radius: 4px;
    display: none;
}

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

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

/* Demo Banner */
.kb-demo-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #f39c12, #e74c3c);
    color: #fff;
    z-index: 99999;
    padding: 0.75rem 1rem;
    text-align: center;
    font-size: 0.9rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.kb-demo-banner-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.kb-demo-badge {
    background: rgba(0, 0, 0, 0.2);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

.kb-demo-cta {
    background: #fff;
    color: #e74c3c;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s;
}

.kb-demo-cta:hover {
    transform: scale(1.05);
}

/* Body offset when demo banner is present */
body.kb-has-demo-banner {
    margin-top: 50px;
}

/* Mobile */
@media (max-width: 600px) {
    .kb-form-row-half {
        flex-direction: column;
        gap: 0;
    }
    
    .kb-lead-form {
        padding: 1.5rem;
    }
    
    .kb-demo-banner-inner {
        flex-direction: column;
        gap: 0.5rem;
    }
}