/* ==========================================================================
   Loneliness Assessment Tool - Stylesheet
   Phase 2: Visual Design Implementation
   ========================================================================== */

/* ==========================================================================
   CSS Custom Properties (Design Tokens)
   ========================================================================== */
:root {
    /* Color Palette - Evidence-based for mental health applications */
    --color-primary: #0F766E;
    --color-primary-hover: #0D9488;
    --color-primary-active: #0B8276;
    --color-secondary: #14B8A6;
    --color-secondary-light: #99F6E4;
    
    /* Background Colors */
    --color-background: #F8FAFC;
    --color-surface: #FFFFFF;
    --color-surface-elevated: #FFFFFF;
    
    /* Text Colors */
    --color-text-primary: #334155;
    --color-text-secondary: #64748B;
    --color-text-muted: #94A3B8;
    --color-text-inverse: #FFFFFF;
    
    /* Border Colors */
    --color-border: #E2E8F0;
    --color-border-focus: var(--color-primary);
    
    /* Status Colors */
    --color-crisis: #BE123C;
    --color-crisis-bg: rgba(190, 18, 60, 0.08);
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-danger: #EF4444;
    
    /* Typography */
    --font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    
    /* 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: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Layout */
    --max-width-card: 680px;
    --max-width-container: 1200px;
    --min-touch-target: 44px;
    
    /* Gauge Chart */
    --gauge-size: 200px;
    --gauge-stroke: 12px;
}

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-background);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   Accessibility Utilities
   ========================================================================== */

/* Skip Link - Keyboard Navigation */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: var(--color-text-inverse);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    z-index: 10000;
    text-decoration: none;
    font-weight: 500;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--spacing-md);
    outline: 3px solid var(--color-secondary);
    outline-offset: 2px;
}

/* Visually Hidden - Screen Reader Only */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

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

/* Reduced Motion Preference */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --color-border: #000000;
        --color-text-secondary: #000000;
        --shadow-sm: none;
        --shadow-md: none;
        --shadow-lg: none;
    }
}

/* ==========================================================================
   Crisis Banner
   ========================================================================== */
.crisis-banner {
    background-color: var(--color-crisis);
    color: var(--color-text-inverse);
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: center;
    font-size: var(--font-size-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-md);
}

.crisis-banner p {
    margin: 0;
    line-height: 1.5;
}

.crisis-banner strong {
    text-decoration: underline;
}

/* ==========================================================================
   Main Layout
   ========================================================================== */
.assessment-container {
    flex: 1;
    width: 100%;
    max-width: var(--max-width-card);
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

/* ==========================================================================
   View Management
   ========================================================================== */
.view {
    display: none;
    animation: fadeIn var(--transition-slow) ease-out;
    width: 100%;
}

.view.active {
    display: flex;
    flex-direction: column;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ==========================================================================
   View Headers
   ========================================================================== */
.view-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.view-header h1,
.view-header h2 {
    color: var(--color-primary);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.view-description {
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
}

.tool-badge {
    display: inline-block;
    background: var(--color-secondary-light);
    color: var(--color-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-top: var(--spacing-sm);
}

/* ==========================================================================
   Welcome View
   ========================================================================== */
.welcome-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.assessment-intro {
    font-size: var(--font-size-lg);
    line-height: 1.7;
    color: var(--color-text-primary);
    text-align: center;
}

.assessment-intro strong {
    color: var(--color-primary);
}

/* Info Card */
.info-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
}

.info-card h2 {
    color: var(--color-primary);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.expectation-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.expectation-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
}

.list-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.expectation-list li span:last-child {
    line-height: 1.6;
}

/* Notice Boxes */
.important-notice,
.privacy-assurance {
    background: var(--color-background);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    border-left: 4px solid var(--color-primary);
}

.important-notice {
    border-left-color: var(--color-warning);
}

.important-notice h3,
.privacy-assurance h3 {
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.important-notice p,
.privacy-assurance p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin: 0;
}

/* Welcome Buttons */
.welcome-content > .response-options {
    margin-top: var(--spacing-lg);
}

.btn-description {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: var(--spacing-sm);
}

/* Resources Navigation */
.resources-nav {
    text-align: center;
    margin-top: var(--spacing-md);
}

.text-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-xs) 0;
    border-bottom: 2px solid transparent;
    transition: border-color var(--transition-fast);
}

.text-link:hover,
.text-link:focus {
    border-bottom-color: var(--color-primary);
}

/* ==========================================================================
   Buttons - Core Styles
   ========================================================================== */
button {
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

.primary-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    background: var(--color-primary);
    color: var(--color-text-inverse);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: var(--font-size-base);
    min-height: var(--min-touch-target);
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

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

.primary-btn:active {
    background: var(--color-primary-active);
    transform: translateY(0);
}

.secondary-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    background: transparent;
    color: var(--color-primary);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: var(--font-size-base);
    min-height: var(--min-touch-target);
    border: 2px solid var(--color-primary);
    transition: all var(--transition-fast);
}

.secondary-btn:hover {
    background: rgba(15, 118, 110, 0.08);
}

.secondary-btn:active {
    background: rgba(15, 118, 110, 0.12);
}

/* ==========================================================================
   Demographics View - Form Styles
   ========================================================================== */
.demographics-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.form-fieldset {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.form-fieldset legend {
    font-weight: 600;
    color: var(--color-primary);
    padding: 0 var(--spacing-sm);
}

.radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.radio-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.radio-label:hover {
    background: var(--color-background);
}

.radio-label input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.radio-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-radius: 50%;
    position: relative;
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.radio-label input[type="radio"]:checked + .radio-custom {
    border-color: var(--color-primary);
    background: var(--color-primary);
}

.radio-label input[type="radio"]:checked + .radio-custom::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
}

.radio-label input[type="radio"]:focus-visible + .radio-custom {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

.form-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.form-actions .primary-btn,
.form-actions .secondary-btn {
    width: 100%;
}

/* ==========================================================================
   Assessment View - Progress & Question Styles
   ========================================================================== */
.progress-container {
    margin-bottom: var(--spacing-xl);
}

.progress-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.progress-bar {
    height: 8px;
    background: var(--color-border);
    border-radius: var(--radius-full);
    overflow: hidden;
}

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

/* Question Card */
.question-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    animation: scaleIn var(--transition-slow) ease-out;
    margin-bottom: var(--spacing-lg);
}

.question-text {
    font-size: var(--font-size-xl);
    font-weight: 500;
    color: var(--color-text-primary);
    line-height: 1.5;
    margin-bottom: var(--spacing-xl);
    text-align: left;
}

/* Response Options */
.response-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.response-btn {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    text-align: left;
    min-height: var(--min-touch-target);
    transition: all var(--transition-fast);
    cursor: pointer;
    width: 100%;
}

.response-btn:hover {
    border-color: var(--color-primary);
    background: rgba(15, 118, 110, 0.04);
    transform: translateX(4px);
}

.response-btn:focus-visible {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.2);
}

.response-btn.selected {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: var(--color-text-inverse);
}

.response-btn.selected .response-description {
    color: rgba(255, 255, 255, 0.85);
}

.response-label {
    font-weight: 600;
    font-size: var(--font-size-base);
}

.response-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: 2px;
    transition: color var(--transition-fast);
}

/* Navigation */
.assessment-nav {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.nav-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 500;
    color: var(--color-text-secondary);
    min-height: var(--min-touch-target);
    transition: all var(--transition-fast);
}

.nav-btn:hover {
    background: var(--color-background);
    color: var(--color-text-primary);
}

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

/* Response Indicator */
.response-indicator {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

#answered-count {
    font-weight: 600;
    color: var(--color-primary);
}

/* ==========================================================================
   Results View
   ========================================================================== */
.results-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

/* Score Section */
.score-section {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
}

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

.score-visual {
    position: relative;
    width: var(--gauge-size);
    height: calc(var(--gauge-size) * 0.6);
    display: flex;
    justify-content: center;
    align-items: flex-end;
}

.score-gauge {
    position: absolute;
    width: 100%;
    height: 100%;
}

.gauge-background {
    opacity: 1;
}

.gauge-fill {
    transition: stroke-dashoffset var(--transition-slow) ease-out;
}

.score-value-container {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: calc(var(--gauge-stroke) + var(--spacing-md));
}

.score-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.score-max {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

.score-range-info {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-align: center;
}

/* Interpretation Section */
.interpretation-section {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
}

.interpretation-section h3 {
    color: var(--color-primary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.interpretation-content {
    line-height: 1.7;
    color: var(--color-text-primary);
}

/* Context Section */
.context-section {
    background: var(--color-background);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    border-left: 4px solid var(--color-secondary);
}

.context-section h3 {
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.context-content p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin: 0;
}

/* Recommendations Section */
.recommendations-section {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
}

.recommendations-section h3 {
    color: var(--color-text-primary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.recommendations-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.recommendations-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    line-height: 1.6;
}

.recommendations-list li::before {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--color-secondary-light);
    color: var(--color-primary);
    border-radius: 50%;
    font-size: var(--font-size-sm);
    font-weight: 700;
    flex-shrink: 0;
}

/* Crisis Resources Section */
.crisis-resources-section {
    margin-top: var(--spacing-md);
}

.crisis-resources-section.hidden {
    display: none;
}

.crisis-card {
    background: var(--color-crisis-bg);
    border: 2px solid var(--color-crisis);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.crisis-card h3 {
    color: var(--color-crisis);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.crisis-card > p {
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.crisis-resources-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.crisis-resources-list li {
    line-height: 1.6;
}

.crisis-resources-list strong {
    color: var(--color-crisis);
}

.crisis-resources-list a {
    color: var(--color-primary);
}

.crisis-note {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-style: italic;
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-md);
    margin-top: var(--spacing-md);
}

/* Results Actions */
.results-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.results-actions .primary-btn,
.results-actions .secondary-btn {
    width: 100%;
}

/* Results Disclaimer */
.results-disclaimer {
    background: var(--color-background);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
}

.results-disclaimer p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-align: center;
    margin: 0;
    line-height: 1.6;
}

/* ==========================================================================
   Resources Section
   ========================================================================== */
.resources-section {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    border: 1px solid var(--color-border);
}

.resources-section h2 {
    color: var(--color-primary);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.resources-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.resource-card {
    background: var(--color-background);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.resource-card h3 {
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.resource-card p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin: 0;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-xl) var(--spacing-md);
    margin-top: var(--spacing-2xl);
}

.footer-content {
    max-width: var(--max-width-card);
    margin: 0 auto;
    text-align: center;
}

.footer-content p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.footer-note {
    font-style: italic;
    color: var(--color-text-muted);
}

/* ==========================================================================
   Print Styles
   ========================================================================== */
@media print {
    .crisis-banner,
    .skip-link,
    .site-footer,
    .resources-section,
    .results-actions,
    .nav-btn,
    .response-indicator {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .assessment-container {
        max-width: 100%;
        padding: 0;
    }
    
    .view {
        display: block !important;
        page-break-inside: avoid;
    }
    
    .view:not(.active) {
        display: none !important;
    }
    
    .question-card,
    .score-section,
    .interpretation-section,
    .recommendations-section {
        box-shadow: none;
        border: 1px solid #ccc;
        page-break-inside: avoid;
    }
    
    .primary-btn,
    .secondary-btn {
        border: 1px solid #333;
        background: white;
        color: black;
    }
    
    .crisis-card {
        border: 2px solid #333;
        background: white;
    }
}

/* ==========================================================================
   Responsive Styles - Mobile First
   ========================================================================== */

/* Small devices (landscape phones, 576px and up) */
@media screen and (min-width: 576px) {
    :root {
        --font-size-base: 17px;
    }
    
    .form-actions {
        flex-direction: row;
        justify-content: center;
    }
    
    .form-actions .primary-btn,
    .form-actions .secondary-btn {
        width: auto;
    }
    
    .results-actions {
        flex-direction: row;
        justify-content: center;
    }
    
    .results-actions .primary-btn,
    .results-actions .secondary-btn {
        width: auto;
    }
}

/* Medium devices (tablets, 768px and up) */
@media screen and (min-width: 768px) {
    .assessment-container {
        padding: var(--spacing-2xl) var(--spacing-xl);
    }
    
    .view-header h1,
    .view-header h2 {
        font-size: var(--font-size-3xl);
    }
    
    .question-text {
        font-size: var(--font-size-2xl);
    }
    
    .assessment-intro {
        font-size: var(--font-size-xl);
    }
    
    .resources-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gauge-fill {
        stroke-dasharray: 251.2;
        stroke-dashoffset: 251.2;
    }
}

/* Large devices (desktops, 992px and up) */
@media screen and (min-width: 992px) {
    .assessment-container {
        padding: var(--spacing-2xl) var(--spacing-md);
    }
    
    .info-card {
        padding: var(--spacing-2xl);
    }
    
    .question-card,
    .score-section,
    .interpretation-section,
    .recommendations-section {
        padding: var(--spacing-2xl);
    }
    
    .welcome-content > .response-options {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .btn-description {
        margin-top: var(--spacing-md);
    }
    
    .response-btn {
        padding: var(--spacing-lg) var(--spacing-xl);
    }
}

/* Extra large devices (large desktops, 1200px and up) */
@media screen and (min-width: 1200px) {
    .assessment-container {
        max-width: 700px;
    }
    
    /* Ensure no horizontal overflow */
    body {
        overflow-x: hidden;
    }
}

/* ==========================================================================
   Mobile Optimizations
   ========================================================================== */
@media screen and (max-width: 480px) {
    :root {
        --font-size-base: 16px;
        --spacing-xl: 1.5rem;
    }
    
    .crisis-banner {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-xs);
    }
    
    .assessment-container {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .question-card {
        padding: var(--spacing-lg);
    }
    
    .question-text {
        font-size: var(--font-size-lg);
    }
    
    .response-btn {
        padding: var(--spacing-md);
    }
    
    .response-label {
        font-size: var(--font-size-base);
    }
    
    .response-description {
        font-size: var(--font-size-xs);
    }
    
    .info-card,
    .form-fieldset,
    .interpretation-section,
    .recommendations-section {
        padding: var(--spacing-md);
    }
    
    .score-visual {
        width: 160px;
        height: calc(160px * 0.6);
    }
    
    .score-number {
        font-size: var(--font-size-2xl);
    }
}

/* ==========================================================================
   Touch Device Optimizations
   ========================================================================== */
@media (hover: none) and (pointer: coarse) {
    .response-btn:hover {
        transform: none;
        background: var(--color-surface);
        border-color: var(--color-border);
    }
    
    .response-btn:active {
        background: var(--color-primary);
        border-color: var(--color-primary);
        color: var(--color-text-inverse);
    }
    
    .nav-btn:hover {
        background: transparent;
    }
    
    .nav-btn:active {
        background: var(--color-background);
    }
    
    .primary-btn:hover {
        transform: none;
    }
}

/* ==========================================================================
   Dark Mode Support (Optional)
   ========================================================================== */
@media (prefers-color-scheme: dark) {
    :root {
        --color-background: #0F172A;
        --color-surface: #1E293B;
        --color-surface-elevated: #334155;
        --color-text-primary: #F1F5F9;
        --color-text-secondary: #94A3B8;
        --color-text-muted: #64748B;
        --color-border: #334155;
        --color-crisis-bg: rgba(190, 18, 60, 0.2);
    }
    
    .crisis-banner {
        background: #7F1D1D;
    }
    
    .important-notice,
    .privacy-assurance,
    .context-section,
    .results-disclaimer,
    .resource-card {
        background: #1E293B;
    }
    
    .response-btn:hover {
        background: rgba(20, 184, 166, 0.1);
    }
}

/* ==========================================================================
   Animation States
   ========================================================================== */
.response-btn.selected {
    animation: pulse var(--transition-base) ease-out;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.02);
    }
    100% {
        transform: scale(1);
    }
}

/* Loading State */
.view.loading::after {
    content: '';
    display: block;
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: var(--spacing-xl) auto;
}

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

/* Error State */
.error-message {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--color-danger);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    color: var(--color-danger);
    text-align: center;
}