/* forms.css - Erweiterte Formular-Styles für B2B-Registrierung und Kontaktformen */

/* Form Container */
.form-container {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--primary-white);
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-medium);
    overflow: hidden;
}

.form-header {
    padding: 2rem;
    background: linear-gradient(135deg, var(--accent-red), #b91c1c);
    color: var(--primary-white);
    text-align: center;
}

.form-header h2 {
    margin: 0 0 0.5rem 0;
    font-size: var(--font-size-2xl);
    font-weight: 600;
}

.form-header p {
    margin: 0;
    opacity: 0.9;
    font-size: var(--font-size-lg);
}

/* Fieldsets */
.form-fieldset {
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    margin: 2rem 0;
    padding: 2px;
    position: relative;
}

.form-fieldset legend {
    background: var(--primary-white);
    padding: 0.5rem 1rem;
    font-weight: 600;
    color: var(--accent-red);
    font-size: var(--font-size-lg);
    margin-left: 1rem;
}

.form-fieldset .form-content {
    padding: 1.5rem;
}

/* Form Rows */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-row .form-group {
    margin-bottom: 0;
}

/* Enhanced Form Groups */
.form-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--dark-gray);
    font-size: var(--font-size-base);
}

.form-label.required::after {
    content: " *";
    color: var(--accent-red);
    font-weight: 700;
}

/* Enhanced Form Controls */
.form-control {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    background: var(--primary-white);
    transition: all var(--transition-fast);
    font-family: var(--font-primary);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-neon);
    box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.15);
    transform: translateY(-1px);
}

.form-control:hover:not(:focus) {
    border-color: var(--medium-gray);
}

.form-control.error {
    border-color: var(--accent-red);
    background-color: rgba(220, 38, 38, 0.05);
}

.form-control.success {
    border-color: var(--accent-neon);
    background-color: rgba(0, 255, 136, 0.05);
}

/* Select Styling */
select.form-control {
    cursor: pointer;
    background-image: url("data:image/svg+xml;charset=utf8,%3Csvg fill='%23666' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.7rem center;
    background-size: 1.5rem;
    padding-right: 2.5rem;
    appearance: none;
}

/* Textarea */
textarea.form-control {
    resize: vertical;
    min-height: 120px;
    font-family: var(--font-primary);
}

/* Form Error & Success Messages */
.form-error {
    color: var(--accent-red);
    font-size: var(--font-size-sm);
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.form-error::before {
    content: "⚠";
    font-size: 1rem;
}

.form-success {
    color: var(--accent-neon);
    font-size: var(--font-size-sm);
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.form-success::before {
    content: "✓";
    font-size: 1rem;
}

/* Checkbox Groups */
.form-checkboxes {
    margin: 2rem 0;
    padding: 1.5rem;
    background: var(--light-gray);
    border-radius: var(--border-radius);
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
    padding: 0.5rem 0;
}

.form-checkbox:last-child {
    margin-bottom: 0;
}

.form-checkbox input[type="checkbox"] {
    width: 1.2rem;
    height: 1.2rem;
    margin-top: 0.1rem;
    cursor: pointer;
    accent-color: var(--accent-neon);
}

.form-checkbox label {
    flex: 1;
    cursor: pointer;
    line-height: 1.4;
    font-size: var(--font-size-sm);
}

.form-checkbox label a {
    color: var(--accent-red);
    text-decoration: underline;
}

.form-checkbox.error {
    border-left: 3px solid var(--accent-red);
    padding-left: 1rem;
}

/* Checkbox Grid */
.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
}

.checkbox-item:hover {
    background: rgba(0, 255, 136, 0.1);
}

.checkbox-item input[type="checkbox"] {
    accent-color: var(--accent-neon);
}

/* Form Actions */
.form-actions {
    text-align: center;
    padding: 2rem;
    background: var(--light-gray);
    border-top: 1px solid var(--border-color);
}

.form-note {
    margin-top: 1rem;
    color: var(--medium-gray);
    font-size: var(--font-size-sm);
    line-height: 1.4;
}

/* Button Enhancements */
.btn-large {
    padding: 1rem 2rem;
    font-size: var(--font-size-lg);
    font-weight: 600;
    min-width: 200px;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
}

/* Success Card */
.success-card {
    text-align: center;
    padding: 3rem 2rem;
    background: var(--primary-white);
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-medium);
    max-width: 600px;
    margin: 2rem auto;
}

.success-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: var(--accent-neon);
}

.success-card h1,
.success-card h2 {
    color: var(--accent-neon);
    margin-bottom: 1rem;
}

.success-card p {
    color: var(--medium-gray);
    font-size: var(--font-size-lg);
    line-height: 1.5;
    margin-bottom: 1.5rem;
}

/* Alert Messages */
.alert {
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    border-left: 4px solid;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-error {
    background: rgba(220, 38, 38, 0.1);
    border-color: var(--accent-red);
    color: #991b1b;
}

.alert-success {
    background: rgba(0, 255, 136, 0.1);
    border-color: var(--accent-neon);
    color: #065f46;
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border-color: #3b82f6;
    color: #1e40af;
}

/* Newsletter Form Specific */
.newsletter-form-container {
    max-width: 600px;
    margin: 0 auto;
}

.newsletter-form {
    background: var(--primary-white);
    padding: 2rem;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-medium);
}

/* Registration Form Specific */
.registration-form {
    padding: 2rem;
}

.registration-form .form-fieldset .form-content {
    padding: 1.5rem;
}

/* Benefits Grid */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.benefit-card {
    background: var(--primary-white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    text-align: center;
    transition: var(--transition-medium);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.benefit-card h3 {
    color: var(--dark-gray);
    margin-bottom: 1rem;
    font-size: var(--font-size-xl);
}

.benefit-card p {
    color: var(--medium-gray);
    line-height: 1.5;
}

/* Form Loading State */
.form-loading {
    position: relative;
}

.form-loading::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
}

/* Responsive Design */
@media (max-width: 768px) {
    .form-container {
        margin: 0rem;
        border-radius: var(--border-radius);
    }
    
    .form-header {
        padding: 1.5rem 1rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .registration-form {
        padding: 1rem;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin: 2rem 0;
    }
    
    .btn-large {
        width: 100%;
        min-width: auto;
    }
    
    .checkbox-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .form-header h2 {
        font-size: var(--font-size-xl);
    }
    
    .form-header p {
        font-size: var(--font-size-base);
    }
    
    .form-fieldset {
        margin: 1rem 0;
        padding: 1px;
    }
    
    .form-fieldset legend {
        font-size: var(--font-size-base);
        margin-left: 0.5rem;
        padding: 0.25rem 0.75rem;
    }
}