/* ============================================
   WEBSITENANFRAGE FORMULAR - EIGENSTÄNDIGES CSS
   ============================================ */

/* CSS-Variablen */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --bg-color: #f9fafb;
    --white: #ffffff;
    --border-color: #e5e7eb;
    --error-color: #ef4444;
    --success-color: #10b981;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    font-size: 16px;
}

/* Container */
.form-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.form-header {
    text-align: center;
    padding: 40px 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: var(--shadow-lg);
}

.form-header h1 {
    font-size: 2rem;
    margin-bottom: 10px;
    font-weight: 700;
}

.form-header p {
    font-size: 1.1rem;
    opacity: 0.95;
}

/* Progress Bar */
.progress-container {
    background: var(--white);
    padding: 25px;
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
}

.progress-steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    margin-bottom: 15px;
}

.progress-step {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 2;
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--border-color);
    color: var(--text-light);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    margin-bottom: 8px;
    transition: all 0.3s ease;
}

.progress-step.active .step-number {
    background: var(--primary-color);
    color: var(--white);
    transform: scale(1.1);
}

.progress-step.completed .step-number {
    background: var(--success-color);
    color: var(--white);
}

/* Hover-Effekt für klickbare Steps */
.progress-step.completed:hover .step-number,
.progress-step.active:hover .step-number {
    transform: scale(1.15);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    transition: all 0.2s ease;
}

.progress-step.completed:hover .step-label,
.progress-step.active:hover .step-label {
    color: var(--primary-color);
    font-weight: 600;
}

.step-label {
    font-size: 0.85rem;
    color: var(--text-light);
    display: block;
}

.progress-step.active .step-label {
    color: var(--primary-color);
    font-weight: 600;
}

.progress-bar-bg {
    position: absolute;
    top: 20px;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--border-color);
    z-index: 1;
}

.progress-bar-fill {
    height: 100%;
    background: var(--primary-color);
    transition: width 0.4s ease;
}

/* Dezente Top-Navigation */
.top-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.top-nav-btn {
    padding: 8px 20px;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    background: var(--white);
    color: var(--text-light);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
}

.top-nav-btn:hover {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.top-nav-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.top-nav-btn:disabled:hover {
    background: var(--white);
    color: var(--text-light);
    border-color: var(--border-color);
}

/* Form Card */
.form-card {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 30px;
    flex: 1;
}

.step-title {
    font-size: 1.75rem;
    color: var(--text-color);
    margin-bottom: 10px;
    font-weight: 700;
}

.step-description {
    color: var(--text-light);
    margin-bottom: 30px;
    font-size: 1.05rem;
}

/* Form Sections */
.form-section {
    margin-bottom: 35px;
}

.section-title {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
    font-weight: 600;
}

/* Form Groups */
.form-group {
    margin-bottom: 25px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.95rem;
}

.form-label.required::after {
    content: " *";
    color: var(--error-color);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
    background: var(--white);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.form-input.error,
.form-textarea.error {
    border-color: var(--error-color);
}

.error-message {
    color: var(--error-color);
    font-size: 0.875rem;
    margin-top: 5px;
    display: none;
}

.error-message.show {
    display: block;
}

/* Validierungsmeldungen für Radio/Checkbox-Gruppen */
.validation-error {
    display: none;
    background: #fee;
    color: var(--error-color);
    padding: 10px 15px;
    border-radius: 6px;
    font-size: 0.9rem;
    margin-bottom: 15px;
    border-left: 4px solid var(--error-color);
}

.validation-warning {
    display: none;
    background: #fffbeb;
    color: #92400e;
    padding: 10px 15px;
    border-radius: 6px;
    font-size: 0.9rem;
    margin-bottom: 15px;
    border-left: 4px solid #f59e0b;
}

.radio-group.error,
.checkbox-group.error {
    border: 2px solid var(--error-color);
    border-radius: 8px;
    padding: 15px;
    background: #fee;
}

.radio-group.warning,
.checkbox-group.warning {
    border: 2px solid #f59e0b;
    border-radius: 8px;
    padding: 15px;
    background: #fffbeb;
}

/* Checkbox & Radio Styles */
.checkbox-group,
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.checkbox-item,
.radio-item {
    display: flex;
    align-items: flex-start;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--white);
}

.checkbox-item:hover,
.radio-item:hover {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.02);
}

.checkbox-item.checked,
.radio-item.checked {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
}

.checkbox-item input[type="checkbox"],
.radio-item input[type="radio"] {
    width: 20px;
    height: 20px;
    margin-right: 12px;
    cursor: pointer;
    flex-shrink: 0;
    margin-top: 2px;
}

.checkbox-label,
.radio-label {
    flex: 1;
    cursor: pointer;
}

.checkbox-label-text,
.radio-label-text {
    display: block;
    font-weight: 500;
    margin-bottom: 4px;
}

.checkbox-label-desc,
.radio-label-desc {
    display: block;
    font-size: 0.875rem;
    color: var(--text-light);
}

/* Text Input with Placeholder */
.input-placeholder {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: 5px;
}

/* Navigation Buttons */
.form-navigation {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 2px solid var(--border-color);
}

.btn {
    padding: 14px 32px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--white);
    color: var(--text-color);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-success {
    background: var(--success-color);
    color: var(--white);
}

.btn-success:hover {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Summary Page */
.summary-section {
    margin-bottom: 30px;
    padding: 20px;
    background: var(--bg-color);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.summary-section h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.summary-item {
    display: flex;
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.summary-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.summary-label {
    font-weight: 600;
    min-width: 200px;
    color: var(--text-color);
}

.summary-value {
    color: var(--text-light);
    flex: 1;
}

.summary-empty {
    color: var(--text-light);
    font-style: italic;
}

.edit-step-btn {
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
    font-size: 0.875rem;
    text-decoration: underline;
    padding: 0;
    margin-left: 10px;
}

.edit-step-btn:hover {
    color: var(--primary-dark);
}

/* Success Message */
.success-container {
    text-align: center;
    padding: 60px 20px;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: var(--success-color);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 40px;
    color: var(--white);
}

.success-container h2 {
    font-size: 2rem;
    color: var(--text-color);
    margin-bottom: 15px;
}

.success-container p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 30px;
}

/* Loading Spinner */
.loading-spinner {
    display: none;
    text-align: center;
    padding: 20px;
}

.loading-spinner.show {
    display: block;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}

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

/* Save Indicator */
.save-indicator {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--success-color);
    color: var(--white);
    padding: 12px 20px;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    display: none;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    z-index: 1000;
}

.save-indicator.show {
    display: flex;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .form-container {
        padding: 10px;
    }

    .form-header {
        padding: 30px 15px;
    }

    .form-header h1 {
        font-size: 1.5rem;
    }

    .form-header p {
        font-size: 1rem;
    }

    .form-card {
        padding: 25px 20px;
    }

    .step-title {
        font-size: 1.4rem;
    }

    .progress-steps {
        flex-wrap: wrap;
    }

    .progress-step {
        flex: 1 1 33%;
        margin-bottom: 15px;
    }

    .step-label {
        font-size: 0.75rem;
    }

    .form-navigation {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .summary-item {
        flex-direction: column;
    }

    .summary-label {
        min-width: auto;
        margin-bottom: 5px;
    }
}

@media (max-width: 480px) {
    .step-number {
        width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 1.1rem;
    }

    .checkbox-item,
    .radio-item {
        padding: 10px;
    }
}

/* Print Styles */
@media print {
    body {
        background: white;
    }

    .form-navigation,
    .btn,
    .edit-step-btn,
    .save-indicator {
        display: none !important;
    }

    .form-card {
        box-shadow: none;
        page-break-inside: avoid;
    }
}