/* Stemwijzer Leiden - Sleutelstad Theme */

:root {
    /* Leiden Colors */
    --leids-blauw: #0A2540;
    --leids-blauw-light: #1A3A5C;
    --goud: #C9A227;
    --goud-light: #E8C547;
    --goud-pale: #F5E6B8;
    
    /* Neutrals inspired by Leiden's historic buildings */
    --gevel-cream: #FAF7F2;
    --gevel-warm: #F0EBE3;
    --steen-grijs: #8B8680;
    --tekst-donker: #1A1A1A;
    --tekst-licht: #5A5A5A;
    
    /* Semantic colors */
    --eens: #2D8B4E;
    --oneens: #C93545;
    --neutraal: #6B7280;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(10, 37, 64, 0.05);
    --shadow-md: 0 4px 12px rgba(10, 37, 64, 0.08);
    --shadow-lg: 0 12px 32px rgba(10, 37, 64, 0.12);
    --shadow-glow: 0 0 24px rgba(201, 162, 39, 0.15);
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;
}

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

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

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    color: var(--tekst-donker);
    background-color: var(--gevel-cream);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Background Pattern - Subtle canal-inspired waves */
.background-pattern {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
    opacity: 0.4;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(201, 162, 39, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(10, 37, 64, 0.05) 0%, transparent 50%),
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 100px,
            rgba(201, 162, 39, 0.02) 100px,
            rgba(201, 162, 39, 0.02) 101px
        );
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--leids-blauw) 0%, var(--leids-blauw-light) 100%);
    color: white;
    padding: var(--space-lg) var(--space-xl);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-lg);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.key-icon {
    width: 32px;
    height: 32px;
    color: var(--goud);
    filter: drop-shadow(0 0 8px rgba(201, 162, 39, 0.4));
    animation: key-glow 3s ease-in-out infinite;
}

@keyframes key-glow {
    0%, 100% { filter: drop-shadow(0 0 8px rgba(201, 162, 39, 0.4)); }
    50% { filter: drop-shadow(0 0 16px rgba(201, 162, 39, 0.6)); }
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.header-subtitle {
    font-size: 0.9rem;
    opacity: 0.85;
    font-weight: 300;
}

/* Main Content */
.main-content {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--space-xl);
    min-height: calc(100vh - 200px);
}

/* Screens */
.screen {
    display: none;
    animation: fadeIn var(--transition-slow) ease;
}

.screen.active {
    display: block;
}

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

/* Intro Screen */
.intro-container {
    text-align: center;
}

.intro-hero {
    margin-bottom: var(--space-3xl);
}

.intro-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    color: var(--leids-blauw);
    margin-bottom: var(--space-lg);
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.intro-lead {
    font-size: 1.25rem;
    color: var(--tekst-licht);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Feature Cards */
.intro-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-3xl);
}

.feature-card {
    background: white;
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-card.highlight {
    background: linear-gradient(135deg, var(--leids-blauw) 0%, var(--leids-blauw-light) 100%);
    color: white;
}

.feature-card.highlight h3 {
    color: var(--goud);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.feature-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
    color: var(--leids-blauw);
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--tekst-licht);
    line-height: 1.6;
}

.feature-card.highlight p {
    color: rgba(255, 255, 255, 0.85);
}

/* Intro Explanation */
.intro-explanation {
    background: white;
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: left;
    margin-bottom: var(--space-3xl);
    border-left: 4px solid var(--goud);
}

.intro-explanation h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--leids-blauw);
    margin-bottom: var(--space-md);
}

.intro-explanation p {
    color: var(--tekst-licht);
    margin-bottom: var(--space-md);
}

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

.intro-explanation li {
    padding: var(--space-sm) 0;
    padding-left: var(--space-lg);
    position: relative;
}

.intro-explanation li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--goud);
    border-radius: 50%;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--leids-blauw) 0%, var(--leids-blauw-light) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

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

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

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

.btn-secondary:hover {
    background: var(--leids-blauw);
    color: white;
}

.btn-secondary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-secondary:disabled:hover {
    background: white;
    color: var(--leids-blauw);
}

.btn-large {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.125rem;
}

.btn-arrow {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-fast);
}

.btn:hover .btn-arrow {
    transform: translateX(4px);
}

/* Statement Screen */
.statement-container {
    max-width: 700px;
    margin: 0 auto;
}

/* Progress Bar */
.progress-section {
    margin-bottom: var(--space-xl);
}

.progress-bar {
    height: 8px;
    background: var(--gevel-warm);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: var(--space-sm);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--goud) 0%, var(--goud-light) 100%);
    border-radius: 4px;
    transition: width var(--transition-normal);
    box-shadow: var(--shadow-glow);
}

.progress-text {
    text-align: center;
    font-size: 0.9rem;
    color: var(--tekst-licht);
}

/* Statement Card */
.statement-card {
    background: white;
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--space-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.statement-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--leids-blauw) 0%, var(--goud) 100%);
}

.statement-theme {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--gevel-warm);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
}

.theme-icon {
    font-size: 1.25rem;
}

.theme-name {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--leids-blauw);
}

.statement-text {
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 600;
    color: var(--leids-blauw);
    line-height: 1.4;
    margin-bottom: var(--space-lg);
}

.info-toggle {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    background: none;
    border: none;
    color: var(--goud);
    font-size: 0.9rem;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.info-toggle:hover {
    color: var(--leids-blauw);
}

.info-toggle svg {
    width: 18px;
    height: 18px;
}

.statement-explanation {
    display: none;
    margin-top: var(--space-lg);
    padding: var(--space-md);
    background: var(--gevel-warm);
    border-radius: var(--radius-md);
    text-align: left;
    font-size: 0.95rem;
    color: var(--tekst-licht);
    line-height: 1.6;
}

.statement-explanation.visible {
    display: block;
    animation: slideDown var(--transition-normal) ease;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Answer Buttons */
.answer-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.answer-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-lg);
    border: 3px solid transparent;
    border-radius: var(--radius-lg);
    background: white;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.answer-btn:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.answer-icon {
    font-size: 2rem;
    font-weight: 700;
}

.answer-label {
    font-size: 0.95rem;
    font-weight: 500;
}

.answer-disagree:hover,
.answer-disagree.selected {
    border-color: var(--oneens);
    background: rgba(201, 53, 69, 0.05);
}

.answer-disagree .answer-icon {
    color: var(--oneens);
}

.answer-neutral:hover,
.answer-neutral.selected {
    border-color: var(--neutraal);
    background: rgba(107, 114, 128, 0.05);
}

.answer-neutral .answer-icon {
    color: var(--neutraal);
}

.answer-agree:hover,
.answer-agree.selected {
    border-color: var(--eens);
    background: rgba(45, 139, 78, 0.05);
}

.answer-agree .answer-icon {
    color: var(--eens);
}

/* Weight Section */
.weight-section {
    margin-bottom: var(--space-xl);
}

.weight-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--tekst-licht);
}

.weight-checkbox {
    display: none;
}

.weight-checkmark {
    width: 22px;
    height: 22px;
    border: 2px solid var(--steen-grijs);
    border-radius: var(--radius-sm);
    position: relative;
    transition: all var(--transition-fast);
}

.weight-checkbox:checked + .weight-checkmark {
    background: var(--goud);
    border-color: var(--goud);
}

.weight-checkbox:checked + .weight-checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 14px;
    font-weight: 700;
}

/* Navigation Buttons */
.navigation-buttons {
    display: flex;
    justify-content: space-between;
    gap: var(--space-md);
}

.navigation-buttons .btn svg {
    width: 18px;
    height: 18px;
}

/* Results Screen */
.results-container {
    text-align: center;
}

.results-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--leids-blauw);
    margin-bottom: var(--space-sm);
}

.results-subtitle {
    color: var(--tekst-licht);
    margin-bottom: var(--space-2xl);
}

/* Tabs */
.results-tabs {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}

.tab-btn {
    padding: var(--space-sm) var(--space-lg);
    border: 2px solid var(--leids-blauw);
    background: white;
    color: var(--leids-blauw);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tab-btn:hover {
    background: var(--gevel-warm);
}

.tab-btn.active {
    background: var(--leids-blauw);
    color: white;
}

/* Results List */
.results-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.result-item {
    background: white;
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: left;
    transition: transform var(--transition-fast);
}

.result-item:hover {
    transform: translateX(4px);
}

.result-item.rank-1 {
    border: 3px solid var(--goud);
    box-shadow: var(--shadow-glow);
}

.result-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.result-rank {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gevel-warm);
    border-radius: 50%;
    font-weight: 600;
    color: var(--leids-blauw);
}

.result-item.rank-1 .result-rank {
    background: var(--goud);
    color: white;
}

.result-party-info {
    flex: 1;
}

.result-party-name {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--leids-blauw);
}

.result-party-seats {
    font-size: 0.85rem;
    color: var(--tekst-licht);
}

.coalition-badge {
    background: var(--goud-pale);
    color: var(--leids-blauw);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.result-scores {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

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

.score-label {
    width: 120px;
    font-size: 0.85rem;
    color: var(--tekst-licht);
}

.score-bar-container {
    flex: 1;
    height: 12px;
    background: var(--gevel-warm);
    border-radius: 6px;
    overflow: hidden;
}

.score-bar {
    height: 100%;
    border-radius: 6px;
    transition: width var(--transition-slow);
}

.score-bar.match {
    background: linear-gradient(90deg, var(--leids-blauw) 0%, var(--leids-blauw-light) 100%);
}

.score-bar.probability {
    background: linear-gradient(90deg, var(--goud) 0%, var(--goud-light) 100%);
}

.score-bar.combined {
    background: linear-gradient(90deg, var(--leids-blauw) 0%, var(--goud) 100%);
}

.score-value {
    width: 50px;
    font-weight: 600;
    text-align: right;
}

/* Results Legend */
.results-legend {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9rem;
    color: var(--tekst-licht);
}

.legend-bar {
    width: 24px;
    height: 12px;
    border-radius: 6px;
}

.legend-bar.match {
    background: var(--leids-blauw);
}

.legend-bar.probability {
    background: var(--goud);
}

/* Results Actions */
.results-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* Details Screen */
.details-container {
    max-width: 800px;
    margin: 0 auto;
}

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: none;
    border: none;
    color: var(--leids-blauw);
    font-size: 1rem;
    cursor: pointer;
    margin-bottom: var(--space-xl);
    transition: color var(--transition-fast);
}

.back-btn:hover {
    color: var(--goud);
}

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

.details-title {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--leids-blauw);
    margin-bottom: var(--space-xl);
    text-align: center;
}

.party-selector {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.party-selector label {
    font-weight: 500;
    color: var(--tekst-licht);
}

.party-selector select {
    padding: var(--space-sm) var(--space-md);
    border: 2px solid var(--leids-blauw);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    background: white;
    color: var(--leids-blauw);
    cursor: pointer;
}

.details-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.detail-item {
    background: white;
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.detail-statement {
    font-weight: 500;
    color: var(--leids-blauw);
    margin-bottom: var(--space-md);
}

.detail-positions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.detail-position {
    padding: var(--space-md);
    border-radius: var(--radius-md);
    background: var(--gevel-warm);
}

.detail-position-label {
    font-size: 0.85rem;
    color: var(--tekst-licht);
    margin-bottom: var(--space-xs);
}

.detail-position-value {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 500;
}

.position-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
}

.position-icon.agree {
    background: var(--eens);
    color: white;
}

.position-icon.disagree {
    background: var(--oneens);
    color: white;
}

.position-icon.neutral {
    background: var(--neutraal);
    color: white;
}

.detail-explanation {
    margin-top: var(--space-sm);
    font-size: 0.85rem;
    color: var(--tekst-licht);
    font-style: italic;
}

.detail-probability {
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--gevel-warm);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.probability-label {
    font-size: 0.85rem;
    color: var(--tekst-licht);
}

.probability-value {
    font-weight: 600;
    color: var(--goud);
}

/* Footer */
.footer {
    background: var(--leids-blauw);
    color: white;
    padding: var(--space-xl);
    text-align: center;
    margin-top: var(--space-3xl);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.footer-disclaimer {
    margin-top: var(--space-sm);
    font-size: 0.8rem !important;
    opacity: 0.7 !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-content {
        padding: var(--space-md);
    }
    
    .header-content {
        justify-content: center;
        text-align: center;
    }
    
    .answer-buttons {
        grid-template-columns: 1fr;
    }
    
    .answer-btn {
        flex-direction: row;
        justify-content: flex-start;
        padding: var(--space-md);
    }
    
    .detail-positions {
        grid-template-columns: 1fr;
    }
    
    .results-tabs {
        flex-direction: column;
        align-items: stretch;
    }
    
    .results-actions {
        flex-direction: column;
    }
    
    .results-actions .btn {
        width: 100%;
    }
    
    .score-label {
        width: 80px;
        font-size: 0.8rem;
    }
}

/* Toast notifications */
.toast {
    position: fixed;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--leids-blauw);
    color: white;
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    opacity: 0;
    transition: all var(--transition-normal);
}

.toast.visible {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* Loading state */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3xl);
}

.loading::after {
    content: '';
    width: 40px;
    height: 40px;
    border: 4px solid var(--gevel-warm);
    border-top-color: var(--goud);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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