/* 
   Comprehensive Personality Assessment Tool
   Style Sheet
   Evidence-based, privacy-focused personality assessment
*/

/* ===== CSS Variables ===== */
:root {
    /* Color Palette - Professional & Calming */
    --primary-color: #2d6a4f;
    --primary-light: #40916c;
    --primary-dark: #1b4332;
    --primary-fade: rgba(45, 106, 79, 0.1);
    
    --secondary-color: #52796f;
    --secondary-light: #74c69d;
    
    --accent-color: #d4a373;
    --accent-light: #e9c46a;
    
    /* Domain Colors - OCEAN */
    --openness-color: #9d4edd;
    --conscientiousness-color: #2a9d8f;
    --extraversion-color: #e76f51;
    --agreeableness-color: #4ecdc4;
    --neuroticism-color: #f4a261;
    
    /* Neutral Colors */
    --bg-primary: #fefefe;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --text-primary: #212529;
    --text-secondary: #495057;
    --text-muted: #6c757d;
    --border-color: #dee2e6;
    --shadow-color: rgba(0, 0, 0, 0.1);
    
    /* Status Colors */
    --success-color: #28a745;
    --warning-color: #ffc107;
    --error-color: #dc3545;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-heading: 'Georgia', 'Times New Roman', serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 50%;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;
}

/* ===== Reset & Base Styles ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

#app {
    min-height: 100vh;
}

/* ===== Screen Management ===== */
.screen {
    display: none;
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.screen.active {
    display: block;
    opacity: 1;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem; }

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

strong {
    font-weight: 600;
    color: var(--text-primary);
}

/* ===== Buttons ===== */
button {
    font-family: var(--font-primary);
    font-size: 1rem;
    cursor: pointer;
    border: none;
    outline: none;
    transition: all var(--transition-normal);
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    box-shadow: 0 2px 8px var(--shadow-color);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-color);
}

.btn-primary:disabled {
    background-color: var(--text-muted);
    cursor: not-allowed;
    opacity: 0.6;
}

.btn-primary svg {
    width: 20px;
    height: 20px;
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    border: 2px solid var(--primary-color);
}

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

.btn-secondary svg {
    width: 20px;
    height: 20px;
}

/* ===== Welcome Screen ===== */
#welcome-screen {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.welcome-content {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.brain-icon {
    width: 80px;
    height: 80px;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.logo h1 {
    font-size: 1.75rem;
    color: var(--primary-dark);
}

.intro-text {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.intro-text h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.intro-text > p {
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto var(--spacing-2xl);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.feature-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: 0 2px 12px var(--shadow-color);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--shadow-color);
}

.feature-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-md);
    color: var(--primary-color);
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.feature-card h3 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.feature-card p {
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* OCEAN Breakdown */
.about-model {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    box-shadow: 0 2px 12px var(--shadow-color);
}

.about-model h3 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.ocean-breakdown {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.ocean-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

.ocean-item:hover {
    background-color: var(--bg-secondary);
}

.ocean-letter {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.ocean-item.openness .ocean-letter { background-color: var(--openness-color); }
.ocean-item.conscientiousness .ocean-letter { background-color: var(--conscientiousness-color); }
.ocean-item.extraversion .ocean-letter { background-color: var(--extraversion-color); }
.ocean-item.agreeableness .ocean-letter { background-color: var(--agreeableness-color); }
.ocean-item.neuroticism .ocean-letter { background-color: var(--neuroticism-color); }

.ocean-info strong {
    display: block;
    margin-bottom: var(--spacing-xs);
}

.ocean-info p {
    margin: 0;
    font-size: 0.95rem;
}

/* Privacy Notice */
.privacy-notice {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-fade) 0%, rgba(45, 106, 79, 0.05) 100%);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    border-left: 4px solid var(--primary-color);
}

.privacy-notice svg {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
    flex-shrink: 0;
    margin-top: 2px;
}

.privacy-notice strong {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--primary-dark);
}

.privacy-notice p {
    margin: 0;
    font-size: 0.95rem;
}

/* Consent Section */
.consent-section {
    margin-bottom: var(--spacing-xl);
}

.consent-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    cursor: pointer;
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--radius-md);
    border: 2px solid var(--border-color);
    transition: border-color var(--transition-fast);
}

.consent-checkbox:hover {
    border-color: var(--primary-light);
}

.consent-checkbox input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    margin-top: 2px;
}

.consent-checkbox input:checked + .checkmark {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.consent-checkbox input:checked + .checkmark::after {
    content: '✓';
    color: white;
    font-size: 14px;
    font-weight: bold;
}

.consent-text {
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--text-secondary);
}

/* Action Buttons */
.action-buttons {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

footer {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

footer p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
}

/* ===== Assessment Screen ===== */
#assessment-screen {
    min-height: 100vh;
    background: var(--bg-primary);
}

.assessment-header {
    background: white;
    padding: var(--spacing-md) var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 8px var(--shadow-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.progress-container {
    flex: 1;
    max-width: 400px;
}

.progress-bar {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-xs);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-full);
    transition: width var(--transition-normal);
    width: 0%;
}

.progress-text {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.timer-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.timer-container svg {
    width: 20px;
    height: 20px;
}

/* Question Container */
.question-container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-xl);
}

.question-card {
    background: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 16px var(--shadow-color);
}

.question-number {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
}

.question-text {
    font-size: 1.25rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
}

.response-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.response-option {
    display: flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.response-option:hover {
    border-color: var(--primary-light);
    background: var(--primary-fade);
}

.response-option.selected {
    border-color: var(--primary-color);
    background: var(--primary-fade);
}

.response-option input {
    display: none;
}

.radio-indicator {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-full);
    margin-right: var(--spacing-md);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.response-option.selected .radio-indicator {
    border-color: var(--primary-color);
    background: var(--primary-color);
}

.response-option.selected .radio-indicator::after {
    content: '';
    width: 8px;
    height: 8px;
    background: white;
    border-radius: var(--radius-full);
}

.response-label {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* Navigation Buttons */
.navigation-buttons {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-xl);
    display: flex;
    justify-content: space-between;
}

/* Questions Indicator */
.questions-indicator {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-xl) var(--spacing-2xl);
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    justify-content: center;
}

.question-dot {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.question-dot:hover {
    border-color: var(--primary-light);
}

.question-dot.answered {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.question-dot.current {
    border-color: var(--primary-dark);
    transform: scale(1.2);
}

/* ===== Processing Screen ===== */
#processing-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
}

.processing-content {
    text-align: center;
    padding: var(--spacing-2xl);
}

.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--bg-tertiary);
    border-top-color: var(--primary-color);
    border-radius: var(--radius-full);
    margin: 0 auto var(--spacing-xl);
    animation: spin 1s linear infinite;
}

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

.processing-content h2 {
    margin-bottom: var(--spacing-md);
}

.processing-content > p {
    margin-bottom: var(--spacing-2xl);
}

.processing-steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: 300px;
    margin: 0 auto;
}

.step {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.step.active {
    background: var(--primary-fade);
    border-left: 3px solid var(--primary-color);
}

.step.completed {
    background: rgba(40, 167, 69, 0.1);
}

.step-icon {
    font-size: 1.25rem;
    width: 24px;
}

.step.completed .step-icon::after {
    content: '✓';
    color: var(--success-color);
    font-weight: bold;
}

.step.active .step-icon::after {
    content: '→';
    color: var(--primary-color);
}

.step-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* ===== Results Screen ===== */
#results-screen {
    min-height: 100vh;
    background: var(--bg-secondary);
}

.results-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

.results-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 12px var(--shadow-color);
}

.results-header h1 {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
}

.results-header p {
    margin: 0;
    color: var(--text-muted);
}

/* Results Navigation */
.results-nav {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    justify-content: center;
}

.nav-tab {
    padding: var(--spacing-md) var(--spacing-lg);
    background: white;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.nav-tab:hover {
    border-color: var(--primary-light);
    color: var(--primary-color);
}

.nav-tab.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.tab-content {
    display: none;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.tab-content.active {
    display: block;
    opacity: 1;
}

.tab-description {
    margin-bottom: var(--spacing-xl);
    font-size: 1rem;
}

/* Profile Summary */
.profile-summary {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    box-shadow: 0 2px 12px var(--shadow-color);
}

.profile-summary h2 {
    margin-bottom: var(--spacing-lg);
}

.profile-narrative {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.profile-narrative p {
    margin-bottom: var(--spacing-md);
}

/* Top Traits */
.top-traits {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    box-shadow: 0 2px 12px var(--shadow-color);
}

.top-traits h3 {
    margin-bottom: var(--spacing-lg);
}

.traits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.trait-card {
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border-left: 4px solid;
}

.trait-card.high, .trait-card.very-high {
    background: rgba(40, 167, 69, 0.05);
    border-color: var(--success-color);
}

.trait-card.low, .trait-card.very-low {
    background: rgba(220, 53, 69, 0.05);
    border-color: var(--error-color);
}

.trait-card.average {
    background: var(--bg-secondary);
    border-color: var(--text-muted);
}

.trait-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.trait-name {
    font-weight: 600;
    color: var(--text-primary);
}

.trait-percentile {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.trait-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin: 0;
}

/* Radar Chart */
.radar-chart-container {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    box-shadow: 0 2px 12px var(--shadow-color);
}

.radar-chart-container h3 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

#radar-chart {
    max-width: 500px;
    margin: 0 auto;
    display: block;
}

/* Interpretation Guide */
.interpretation-guide {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 12px var(--shadow-color);
}

.interpretation-guide h3 {
    margin-bottom: var(--spacing-lg);
}

.interpretation-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
}

.interp-card {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
}

.interp-card.very-high { background: rgba(40, 167, 69, 0.1); }
.interp-card.high { background: rgba(40, 167, 69, 0.05); }
.interp-card.average { background: var(--bg-secondary); }
.interp-card.low { background: rgba(220, 53, 69, 0.05); }
.interp-card.very-low { background: rgba(220, 53, 69, 0.1); }

.interp-label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.interp-range {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

.interp-card p {
    font-size: 0.9rem;
    margin: 0;
}

/* Domains Detail */
.domains-detail {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.domain-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 2px 12px var(--shadow-color);
}

.domain-header {
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.domain-header:hover {
    background-color: var(--bg-secondary);
}

.domain-letter {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.domain-letter.openness { background-color: var(--openness-color); }
.domain-letter.conscientiousness { background-color: var(--conscientiousness-color); }
.domain-letter.extraversion { background-color: var(--extraversion-color); }
.domain-letter.agreeableness { background-color: var(--agreeableness-color); }
.domain-letter.neuroticism { background-color: var(--neuroticism-color); }

.domain-info {
    flex: 1;
}

.domain-name {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.domain-score {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.score-bar {
    flex: 1;
    max-width: 200px;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.score-fill {
    height: 100%;
    border-radius: var(--radius-full);
    transition: width var(--transition-normal);
}

.score-fill.openness { background: var(--openness-color); }
.score-fill.conscientiousness { background: var(--conscientiousness-color); }
.score-fill.extraversion { background: var(--extraversion-color); }
.score-fill.agreeableness { background: var(--agreeableness-color); }
.score-fill.neuroticism { background: var(--neuroticism-color); }

.score-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    min-width: 100px;
}

.domain-details {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    display: none;
}

.domain-details.expanded {
    display: block;
}

.domain-description {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.domain-description p {
    margin: 0;
}

.facets-list {
    display: grid;
    gap: var(--spacing-md);
}

.facet-item {
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.facet-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.facet-name {
    font-weight: 500;
}

.facet-score {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.facet-bar {
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.facet-fill {
    height: 100%;
    background: var(--primary-color);
    border-radius: var(--radius-full);
}

.facet-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

/* Facets Display */
.facets-selector {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    justify-content: center;
}

.facet-domain-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: white;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.facet-domain-btn:hover {
    border-color: var(--primary-light);
}

.facet-domain-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* Recommendations */
.recommendations-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.rec-section {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 12px var(--shadow-color);
}

.rec-section h3 {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--primary-fade);
}

.rec-content {
    color: var(--text-secondary);
}

.rec-content h4 {
    color: var(--text-primary);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.rec-content h4:first-child {
    margin-top: 0;
}

.rec-content ul {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-xl);
}

.rec-content li {
    margin-bottom: var(--spacing-sm);
}

.rec-content p {
    margin: var(--spacing-md) 0;
}

/* Results Footer */
.results-footer {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    flex-wrap: wrap;
}

/* Disclaimer Section */
.disclaimer-section {
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-lg);
    background: rgba(220, 53, 69, 0.05);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--error-color);
}

.disclaimer-section h4 {
    color: var(--error-color);
    margin-bottom: var(--spacing-md);
}

.disclaimer-section p {
    font-size: 0.9rem;
    margin: 0;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .welcome-content {
        padding: var(--spacing-lg);
    }
    
    .intro-text h2 {
        font-size: 1.25rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .assessment-header {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .progress-container {
        width: 100%;
        max-width: none;
    }
    
    .question-container {
        padding: var(--spacing-lg);
    }
    
    .question-card {
        padding: var(--spacing-lg);
    }
    
    .question-text {
        font-size: 1.1rem;
    }
    
    .results-nav {
        flex-direction: column;
    }
    
    .nav-tab {
        text-align: center;
    }
    
    .interpretation-cards {
        grid-template-columns: 1fr;
    }
    
    .results-footer {
        flex-direction: column;
    }
    
    .results-footer button {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .ocean-item {
        flex-direction: column;
        text-align: center;
    }
    
    .ocean-letter {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }
    
    .question-container {
        padding: var(--spacing-md);
    }
    
    .question-card {
        padding: var(--spacing-md);
    }
    
    .response-option {
        padding: var(--spacing-sm) var(--spacing-md);
    }
}

/* ===== Print Styles ===== */
@media print {
    body {
        background: white;
        color: black;
    }
    
    .screen {
        display: block !important;
        opacity: 1 !important;
    }
    
    #welcome-screen,
    #assessment-screen,
    #processing-screen {
        display: none !important;
    }
    
    .results-nav,
    .results-footer,
    .disclaimer-section {
        display: none;
    }
    
    .tab-content {
        display: block !important;
        opacity: 1 !important;
        page-break-inside: avoid;
    }
    
    .radar-chart-container {
        page-break-inside: avoid;
    }
    
    .profile-summary,
    .top-traits,
    .domains-detail,
    .recommendations-container {
        page-break-inside: avoid;
    }
}

/* ===== Accessibility Enhancements ===== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for keyboard navigation */
:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

button:focus-visible,
input:focus-visible,
.response-option:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #006400;
        --text-primary: #000;
        --text-secondary: #333;
        --border-color: #000;
    }
}

/* ===== Loading Animation ===== */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.loading {
    animation: pulse 1.5s ease-in-out infinite;
}

/* ===== Scrollbar Styling ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}