/* Form Wrapper */
.form-wrapper {
    background: #f8f9fa;
    padding: 3rem 2rem 4rem;
}

/* Form */
.kaufen-form {
    max-width: 700px;
    margin: 0 auto;
    background: #fff;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.kaufen-form h2 {
    color: #333;
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #c41e3a;
}

.kaufen-form h2:not(:first-child) {
    margin-top: 2rem;
}

/* Form Row */
.form-row {
    margin-bottom: 1.25rem;
}

.form-row.two-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* Form Group */
.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.plz {
    flex: 0 0 120px;
}

.form-group.ort {
    flex: 1;
}

.form-row.two-cols .form-group.plz,
.form-row.two-cols .form-group.ort {
    grid-column: auto;
}

.form-row.two-cols:has(.plz) {
    grid-template-columns: 120px 1fr;
}

/* Labels */
.form-group label {
    color: #555;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.4rem;
}

/* Inputs */
.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #c41e3a;
    box-shadow: 0 0 0 3px rgba(196, 30, 58, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Checkbox Group */
.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.5rem;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 400;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 6px;
    transition: background-color 0.2s;
}

.checkbox-group label:hover {
    background: #f8f9fa;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #c41e3a;
}

/* Submit Button */
.btn-submit {
    width: 100%;
    margin-top: 1rem;
    cursor: pointer;
    border: none;
}

/* Success Message */
.success-message {
    max-width: 500px;
    margin: 0 auto;
    text-align: center;
    background: #fff;
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: #fff;
}

.success-message h2 {
    color: #333;
    margin-bottom: 0.5rem;
}

.success-message p {
    color: #666;
    margin-bottom: 2rem;
}

/* Error Message */
.error-message {
    max-width: 500px;
    margin: 0 auto 2rem;
    text-align: center;
    background: #fff5f5;
    border: 1px solid #f5c6cb;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    color: #721c24;
}

/* Responsive */
@media (max-width: 600px) {
    .kaufen-form {
        padding: 1.5rem;
    }
    
    .form-row.two-cols {
        grid-template-columns: 1fr;
    }
    
    .form-row.two-cols:has(.plz) {
        grid-template-columns: 1fr;
    }
    
    .checkbox-group {
        grid-template-columns: 1fr;
    }
}