/* ===================================
   CSS Reset & Base Styles
   =================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Modern Color Palette - WCAG AA compliant */
    --color-primary: #FF6B35;
    --color-primary-dark: #E85A2A;
    --color-primary-light: #FF8C66;
    --color-secondary: #4ECDC4;
    --color-secondary-dark: #3DB8AF;
    --color-accent: #FFE66D;
    --color-bg: #FFFFFF;
    --color-bg-alt: #F7F9FC;
    --color-bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --color-text: #2D3748;
    --color-text-light: #718096;
    --color-border: #E2E8F0;
    --color-success: #48BB78;
    --color-focus: #4299E1;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #FF6B35 0%, #FF8C66 100%);
    --gradient-secondary: linear-gradient(135deg, #4ECDC4 0%, #3DB8AF 100%);
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-subtle: linear-gradient(135deg, #F7FAFC 0%, #EDF2F7 100%);

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 16px;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.75rem;
    --font-size-2xl: 2.5rem;
    --line-height-base: 1.6;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-bold: 700;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Borders */
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --border-radius-full: 9999px;

    /* Modern Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    --shadow-colored: 0 8px 24px rgba(255, 107, 53, 0.3);

    /* Transitions */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    /* Animation timings (overridden by YAML config after load) */
    /* Fallback values - these match the defaults in script.js */
    --timing-notification-fade: 300ms;
    --timing-auto-advance: 400ms;
    --timing-transition-base: 300ms;
    --timing-transition-slow: 400ms;
}

/* Respect user's motion preferences */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background: var(--color-bg-alt);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===================================
   Skip Link (Accessibility)
   =================================== */

.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--color-focus);
    color: white;
    padding: var(--spacing-sm);
    text-decoration: none;
    z-index: 100;
    border-radius: var(--border-radius);
}

.skip-link:focus {
    top: var(--spacing-sm);
    left: var(--spacing-sm);
}

/* ===================================
   Header
   =================================== */

header {
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-lg) var(--spacing-md);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
    pointer-events: none;
}

.header-content {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.header-text {
    text-align: left;
    flex: 1;
}

header h1 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.02em;
}

header .tagline {
    font-size: var(--font-size-lg);
    opacity: 0.95;
    font-weight: var(--font-weight-normal);
}

/* Language Selector */
.language-selector {
    flex-shrink: 0;
}

#language-select {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius);
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-base);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='white' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    padding-right: 2rem;
}

#language-select:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

#language-select:focus {
    outline: 2px solid white;
    outline-offset: 2px;
    background: rgba(255, 255, 255, 0.3);
}

#language-select option {
    background: var(--color-bg);
    color: var(--color-text);
}

.sr-only {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* ===================================
   Main Content
   =================================== */

main {
    flex: 1;
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
}

/* ===================================
   Views (SPA)
   =================================== */

.view {
    display: none;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--timing-transition-slow) ease, transform var(--timing-transition-slow) ease;
}

.view.active {
    display: block;
    animation: slideInUp 0.5s ease forwards;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fade out animation for leaving views */
.view.fade-out {
    animation: fadeOut var(--timing-notification-fade) ease forwards;
}

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

/* ===================================
   Loading State
   =================================== */

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity var(--timing-notification-fade) ease;
}

.loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.loading-text {
    margin-top: var(--spacing-md);
    color: var(--color-text-light);
    font-size: var(--font-size-lg);
}

/* Error Box */
.error-box {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl) var(--spacing-xl) calc(var(--spacing-xl) - 4px);
    box-shadow: var(--shadow-lg);
    max-width: 500px;
    margin: var(--spacing-md);
    text-align: center;
}

.error-content {
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.error-icon {
    font-size: 28px;
}

.error-message {
    color: var(--color-text);
    font-size: var(--font-size-lg);
}

.error-close-btn {
    display: block;
    margin: 0 auto;
    background: var(--color-primary);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-xl);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all var(--transition-base);
}

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

.error-close-btn:active {
    transform: translateY(0);
}

/* ===================================
   Welcome View
   =================================== */

#welcome-view {
    text-align: center;
}

#welcome-view h2 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

#welcome-view p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-light);
}

.features-list {
    list-style: none;
    margin-bottom: var(--spacing-xl);
    font-size: var(--font-size-lg);
}

.features-list li {
    padding: var(--spacing-xs);
}

/* Info Boxes - Shared Styles */
.info-box,
.disclaimer,
.privacy-badge {
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md) var(--spacing-md) 0.1rem var(--spacing-md);
    margin: var(--spacing-md) 0;
    box-shadow: 4px 4px 12px rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
}

.info-box p,
.disclaimer p,
.privacy-badge p {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.4;
    color: var(--color-text);
    position: relative;
    z-index: 1;
    text-align: left;
}

.info-box strong,
.disclaimer strong,
.privacy-badge strong {
    font-weight: var(--font-weight-bold);
}

/* Info Box - Blue */
.info-box {
    background: linear-gradient(135deg, #E3F2FD 0%, #BBDEFB 100%);
    border: 1px solid #90CAF9;
}

.info-box::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(33, 150, 243, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.info-box strong {
    color: #1565C0;
}

/* Disclaimer - Yellow */
.disclaimer {
    background: linear-gradient(135deg, #FFF8E1 0%, #FFECB3 100%);
    border: 1px solid #FFE082;
}

.disclaimer::before {
    content: '⚠️';
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    font-size: 3rem;
    opacity: 0.12;
    pointer-events: none;
    transform: rotate(-15deg);
}

.disclaimer strong {
    color: #F57C00;
}

/* Privacy Badge - Green */
.privacy-badge {
    background: linear-gradient(135deg, #E8F5E9 0%, #C8E6C9 100%);
    border: 1px solid #A5D6A7;
}

.privacy-badge::before {
    content: '🔒';
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    font-size: 3rem;
    opacity: 0.08;
    pointer-events: none;
    transform: rotate(12deg);
}

.privacy-badge strong {
    color: #2E7D32;
}

/* ===================================
   Questions View
   =================================== */

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

.view-header h2 {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
}

.view-header-buttons {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    flex-wrap: wrap;
}

/* Shared Selections Notification */
.shared-notification {
    background: linear-gradient(135deg, #fff8f6 0%, #ffe8e0 100%);
    border: 2px solid var(--color-primary-light);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    animation: slideInDown var(--timing-transition-slow) cubic-bezier(0.4, 0, 0.2, 1);
}

.shared-notification.fade-out {
    animation: fadeOut var(--timing-notification-fade) ease forwards;
}

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

.shared-notification-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.shared-icon {
    font-size: 1.5rem;
}

.shared-notification-content p {
    flex: 1;
    margin: 0;
    font-weight: 500;
    color: var(--color-text);
    min-width: 200px;
}

.btn-small {
    padding: 0.4rem 0.8rem;
    font-size: 0.875rem;
}

.btn-icon {
    background: transparent;
    border: none;
    color: var(--color-text-light);
    cursor: pointer;
    padding: 0.25rem;
    font-size: 1.2rem;
    line-height: 1;
    transition: color var(--transition-fast);
    margin-left: auto;
}

.btn-icon:hover {
    color: var(--color-text);
}

.btn-icon:focus {
    outline: 2px solid var(--color-focus);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Progress Bar */
.progress-container {
    margin-bottom: var(--spacing-lg);
    background: var(--color-bg-alt);
    border-radius: var(--border-radius-full);
    padding: 4px;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.06);
}

.progress-bar {
    width: 0%;
    height: 12px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-full);
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-xs);
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

.progress-text {
    margin-top: var(--spacing-xs);
    font-size: 0.9rem;
    color: var(--color-text-light);
}

/* Live Count Preview */
.live-count {
    background: linear-gradient(135deg, #F0F9FF 0%, #DBEAFE 100%);
    border: 2px solid var(--color-secondary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.live-count::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(78, 205, 196, 0.1) 0%, transparent 70%);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.count-number {
    display: block;
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-secondary-dark);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
    animation: countUpdate var(--timing-transition-slow) ease;
    position: relative;
    z-index: 1;
}

@keyframes countUpdate {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.15);
    }
    100% {
        transform: scale(1);
    }
}

.count-text {
    font-size: 1rem;
    color: var(--color-text-light);
    font-weight: 500;
}

/* Questions Form */
.question {
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    background: var(--color-bg-alt);
}

/* Show only active question (wizard behavior) */
.question {
    display: none;
}

.question.active {
    display: block;
}

.question legend {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.question-note {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
    font-style: italic;
}

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

.option {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    background: white;
    cursor: pointer;
    transition: all var(--transition-base);
    min-height: 44px; /* Accessibility: minimum touch target */
    position: relative;
    box-shadow: var(--shadow-xs);
}

.option:hover {
    border-color: var(--color-primary-light);
    background: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.option:has(input:checked) {
    border-color: var(--color-primary);
    border-width: 3px;
    background: linear-gradient(135deg, #FFF5F2 0%, #FFE8E0 100%);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.25);
    transform: scale(1.02);
    animation: selectPulse var(--timing-transition-slow) cubic-bezier(0.4, 0, 0.2, 1);
}

.option:has(input:checked)::before {
    content: '✓';
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    width: 24px;
    height: 24px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
    box-shadow: var(--shadow-sm);
}

@keyframes selectPulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1.02);
    }
}

.option:has(input:focus) {
    outline: 3px solid var(--color-focus);
    outline-offset: 2px;
}

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

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

/* Disabled option styling */
.option-disabled {
    opacity: 0.5;
    cursor: not-allowed !important;
    background: #f5f5f5 !important;
    position: relative;
}

.option-disabled:hover {
    transform: none !important;
    border-color: var(--color-border) !important;
    box-shadow: var(--shadow-xs) !important;
}

.option-disabled input {
    cursor: not-allowed;
    pointer-events: none;
}

/* Tooltip for disabled options */
.option-disabled::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-bottom: 8px;
    padding: 8px 12px;
    background: rgba(0, 0, 0, 0.9);
    color: white;
    font-size: 14px;
    border-radius: 6px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
    z-index: 1000;
    max-width: 250px;
    white-space: normal;
    text-align: center;
}

.option-disabled::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-bottom: 2px;
    border: 6px solid transparent;
    border-top-color: rgba(0, 0, 0, 0.9);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
    z-index: 1000;
}

.option-disabled:hover::after,
.option-disabled:hover::before {
    opacity: 1;
}

/* Auto-selected question indicator */
.question[data-auto-selected="true"]::before {
    content: "✓ Only one option available - automatically selected";
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-md);
    background: #e3f2fd;
    border: 1px solid #2196f3;
    border-radius: var(--border-radius);
    color: #1976d2;
    font-size: 14px;
    text-align: center;
}

/* Multi-select options (checkboxes) styling */
.options-multi {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-sm);
}

@media (max-width: 768px) {
    .options-multi {
        grid-template-columns: 1fr;
    }
}

.option-label {
    font-weight: 600;
    font-size: 1.05rem;
    margin-bottom: var(--spacing-xs);
}

.option-desc {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

/* ===================================
   Buttons
   =================================== */

.btn {
    display: inline-block;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: var(--font-weight-medium);
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-base);
    min-height: 44px; /* Accessibility: minimum touch target */
    min-width: 44px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn:focus {
    outline: 3px solid var(--color-focus);
    outline-offset: 3px;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    position: relative;
}

.btn:disabled:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-text);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    white-space: nowrap;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
    box-shadow: var(--shadow-md);
    z-index: 10;
}

.btn:disabled:hover::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--color-text);
    margin-bottom: 2px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-colored);
    font-weight: var(--font-weight-medium);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(255, 107, 53, 0.4);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(-1px);
}

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

.btn-secondary:hover:not(:disabled) {
    background: var(--color-bg-alt);
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Navigation Buttons */
.navigation-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
    margin-top: var(--spacing-lg);
}

.navigation-buttons #prev-btn {
    margin-right: auto;
}

/* ===================================
   Results View
   =================================== */

#results-view h2 {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.results-summary {
    background: var(--gradient-subtle);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.results-container {
    display: grid;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

/* Result Card */
.result-card {
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    background: white;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.result-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.result-card:hover::before {
    transform: scaleX(0);
}

.result-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 107, 53, 0.03), transparent);
    transition: left 0.6s ease;
}

.result-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px) scale(1.01);
    border-color: var(--color-primary-light);
}

.result-card:hover::after {
    left: 100%;
}

.result-card h3 {
    font-size: var(--font-size-xl);
    color: var(--color-text);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-xs);
    position: relative;
    z-index: 1;
}

.result-card .brand {
    font-weight: var(--font-weight-medium);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
    position: relative;
    z-index: 1;
}

.result-details {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin: var(--spacing-sm) 0;
}

.detail-badge {
    display: inline-block;
    padding: 0.4rem 0.9rem;
    background: var(--gradient-subtle);
    border-radius: var(--border-radius-full);
    font-size: 0.875rem;
    color: var(--color-text);
    border: 1px solid var(--color-border);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
    position: relative;
    z-index: 1;
}

.detail-badge:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-xs);
}

.result-card a {
    display: inline-block;
    margin-top: var(--spacing-sm);
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
}

.result-card a:hover {
    text-decoration: underline;
}

/* Ingredients Section */
.ingredients-section {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--color-bg-alt);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
}

.ingredients-section summary {
    cursor: pointer;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    user-select: none;
    padding: var(--spacing-xs);
}

.ingredients-section summary:hover {
    color: var(--color-primary-dark);
}

.ingredients-list {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    font-size: 0.9rem;
    line-height: 1.6;
}

.ingredient-link {
    color: var(--color-secondary);
    text-decoration: none;
    border-bottom: 1px dotted var(--color-secondary);
    transition: all 0.2s ease;
}

.ingredient-link:hover {
    color: var(--color-secondary-dark);
    border-bottom-style: solid;
}

/* Ingredient Classification Badges */
.ingredient-badge {
    display: inline-block;
    font-size: 0.85em;
    padding: 0.1em 0.3em;
    border-radius: 3px;
    margin-right: 0.2em;
    vertical-align: middle;
}

.ingredient-badge-superstar {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #000;
}

.ingredient-badge-goodie {
    background: linear-gradient(135deg, #4CAF50, #45a049);
    color: #fff;
}

.ingredient-badge-icky {
    background: linear-gradient(135deg, #FF6B6B, #EE5A52);
    color: #fff;
}

.no-results {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--color-bg-alt);
    border-radius: var(--border-radius-lg);
}

.no-results-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.no-results h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.no-results > p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.suggestions {
    background: white;
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin: var(--spacing-lg) auto;
    max-width: 500px;
    text-align: left;
}

.suggestions h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.suggestions ul {
    list-style: none;
    padding: 0;
}

.suggestions li {
    padding: var(--spacing-xs) 0;
    padding-left: 1.5rem;
    position: relative;
}

.suggestions li::before {
    content: '💡';
    position: absolute;
    left: 0;
}

.no-results-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
}

/* Share Section */
.share-section {
    background: var(--color-bg-alt);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.share-section h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.share-description {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.share-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
}

.btn-share {
    flex: 1;
    min-width: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    color: white;
    background: var(--btn-bg);
}

.btn-share:hover:not(:disabled) {
    background: var(--btn-hover);
}

.btn-whatsapp {
    --btn-bg: #25D366;
    --btn-hover: #20BA5A;
}

.btn-facebook {
    --btn-bg: #1877F2;
    --btn-hover: #145DBF;
}

.btn-twitter {
    --btn-bg: #1DA1F2;
    --btn-hover: #1A8CD8;
}

.btn-copy {
    --btn-bg: var(--color-secondary);
    --btn-hover: var(--color-secondary-dark);
}

.share-icon {
    font-size: 1.2rem;
}

.copy-confirmation {
    margin-top: var(--spacing-sm);
    color: var(--color-success);
    font-weight: 600;
    min-height: 1.5rem;
}

/* Results Actions */
.results-actions {
    text-align: center;
}

.results-actions-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-lg);
    gap: var(--spacing-md);
}

.results-actions-bottom button:first-child {
    margin-right: auto;
}

.results-actions-bottom button:last-child {
    margin-left: auto;
}

/* ===================================
   Footer
   =================================== */

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

footer p {
    margin: var(--spacing-xs) 0;
    color: var(--color-text-light);
}

footer .privacy-footer {
    color: #4caf50;
    font-weight: 500;
    font-size: 0.95rem;
}

footer a {
    color: var(--color-primary);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

footer a:focus {
    outline: 2px solid var(--color-focus);
    outline-offset: 2px;
}

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 768px) {
    :root {
        --font-size-2xl: 1.75rem;
        --font-size-xl: 1.35rem;
        --font-size-lg: 1.15rem;
    }

    header {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    .header-content {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .language-selector {
        width: 100%;
    }

    #language-select {
        width: 100%;
    }

    main {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    .view-header {
        flex-direction: column;
        align-items: flex-start;
    }

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

    .navigation-buttons .btn {
        width: 100%;
    }

    .share-buttons {
        flex-direction: column;
    }

    .btn-share {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .question {
        padding: var(--spacing-md);
    }

    .option {
        padding: var(--spacing-sm);
    }
}

/* ===================================
   High Contrast Mode Support
   =================================== */

@media (prefers-contrast: high) {
    :root {
        --color-border: #000000;
    }

    .btn {
        border: 2px solid currentColor;
    }

    .option {
        border-width: 3px;
    }
}

/* ===================================
   Utility Classes
   =================================== */

.hidden {
    display: none !important;
}

/* ===================================
   Print Styles
   =================================== */

@media print {
    header,
    footer,
    .navigation-buttons,
    .share-section,
    #restart-btn {
        display: none;
    }

    body {
        font-size: 12pt;
    }

    .result-card {
        page-break-inside: avoid;
        border: 1px solid #000;
    }
}