/*
 * קולות נודדים - Dark Theme Styles
 * Israeli Election Vote Transfer Visualization
 */

:root {
    /* Dark theme colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-card: #1e1e2a;
    --bg-hover: #252535;

    --text-primary: #f0f0f5;
    --text-secondary: #a0a0b0;
    --text-muted: #606075;

    --accent-primary: #3b82f6;
    --accent-secondary: #8b5cf6;
    --accent-glow: rgba(99, 102, 241, 0.3);

    --border-color: #2a2a3a;
    --border-light: #35354a;

    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px var(--accent-glow);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;

    /* 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;
}

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

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

body {
    font-family: 'Heebo', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Animated sand dunes background - קולות נודדים / חולות נודדים */
.dunes-container {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 250px;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.dune {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 200%;
    height: 100%;
    background-repeat: repeat-x;
    background-position: bottom;
}

.dune-1 {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%23c9a66b' fill-opacity='0.15' d='M0,224L48,213.3C96,203,192,181,288,181.3C384,181,480,203,576,218.7C672,235,768,245,864,234.7C960,224,1056,192,1152,181.3C1248,171,1344,181,1392,186.7L1440,192L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3E%3C/path%3E%3C/svg%3E");
    background-size: 1440px 180px;
    animation: dune-move-1 30s linear infinite;
    opacity: 0.9;
}

.dune-2 {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%23d4a574' fill-opacity='0.12' d='M0,288L48,272C96,256,192,224,288,213.3C384,203,480,213,576,229.3C672,245,768,267,864,261.3C960,256,1056,224,1152,208C1248,192,1344,192,1392,192L1440,192L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3E%3C/path%3E%3C/svg%3E");
    background-size: 1200px 150px;
    animation: dune-move-2 25s linear infinite;
    opacity: 0.8;
}

.dune-3 {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%23e6c9a8' fill-opacity='0.1' d='M0,256L60,245.3C120,235,240,213,360,218.7C480,224,600,256,720,261.3C840,267,960,245,1080,229.3C1200,213,1320,203,1380,197.3L1440,192L1440,320L1380,320C1320,320,1200,320,1080,320C960,320,840,320,720,320C600,320,480,320,360,320C240,320,120,320,60,320L0,320Z'%3E%3C/path%3E%3C/svg%3E");
    background-size: 1600px 200px;
    animation: dune-move-3 40s linear infinite;
    opacity: 0.7;
}

@keyframes dune-move-1 {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

@keyframes dune-move-2 {
    0% { transform: translateX(-50%); }
    100% { transform: translateX(0); }
}

@keyframes dune-move-3 {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.app-container {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.main-header {
    padding: 1.2rem var(--spacing-lg) 0.8rem;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(180deg, var(--bg-secondary) 0%, transparent 100%);
}

.header-content {
    max-width: 800px;
    margin: 0 auto;
}

.site-title {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.2rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-icon {
    display: inline-block;
    margin-left: var(--spacing-sm);
    -webkit-text-fill-color: initial;
}

.site-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 400;
}

.view-switcher {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: 0.6rem;
    flex-wrap: wrap;
}

.nav-extras {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: 0.35rem;
    padding-bottom: 0.1rem;
}

.nav-extras .view-btn {
    font-size: 0.8rem;
    padding: 0.3rem 0.7rem;
    opacity: 0.7;
    border: none;
    background: transparent;
}

.nav-extras .view-btn:hover {
    opacity: 1;
    background: var(--bg-tertiary);
}

.nav-extras .view-btn.active {
    opacity: 1;
    background: var(--accent-primary);
    border: none;
}

.view-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    transition: var(--transition-fast);
    cursor: pointer;
}

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

.view-btn.active {
    background: var(--accent-primary);
    color: var(--text-primary);
    border-color: var(--accent-primary);
}

/* Navigation */
.election-nav {
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.nav-container {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: nowrap;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.nav-btn:hover {
    background: var(--bg-hover);
    border-color: var(--border-light);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.nav-btn.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
    box-shadow: var(--shadow-glow);
}

.nav-btn.animation-link {
    text-decoration: none;
    font-size: 1.2rem;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, #7c3aed, #3b82f6);
    border-color: #7c3aed;
    color: white;
    margin-inline-start: var(--spacing-md);
    font-weight: 600;
    box-shadow: 0 0 12px rgba(124, 58, 237, 0.3);
}
.nav-btn.animation-link:hover {
    background: linear-gradient(135deg, #6d28d9, #2563eb);
    box-shadow: 0 0 20px rgba(124, 58, 237, 0.5);
    transform: translateY(-1px);
}

.nav-from, .nav-to {
    font-weight: 600;
    font-size: 1.1rem;
}

.nav-arrow {
    opacity: 0.6;
    font-size: 0.9rem;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: var(--spacing-xl) var(--spacing-lg);
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

/* Info Panel */
.info-panel {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.election-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.election-card {
    background: var(--bg-card);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    text-align: center;
    min-width: 160px;
}

.election-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.election-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.election-date {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.election-stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.election-stat {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.election-stat span {
    color: var(--text-secondary);
    font-weight: 500;
}

.arrow-container {
    color: var(--accent-primary);
}

.flow-arrow {
    width: 50px;
    height: 24px;
}

.stats-panel {
    display: flex;
    gap: var(--spacing-xl);
}

.stat-item {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.toggle-item {
    display: flex;
    align-items: center;
}

.percent-toggle {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.5rem 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.percent-toggle:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-primary);
}

.toggle-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.toggle-value {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-primary);
}

.export-btn {
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.export-btn:hover {
    background: var(--border-color);
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

.header-export {
    font-size: 0.8rem;
    padding: 0.35rem 0.8rem;
}

/* Visualization */
.visualization-container {
    display: grid;
    grid-template-columns: 240px 1fr 240px;
    gap: var(--spacing-lg);
    align-items: start;
}

.sankey-wrapper {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    min-height: 1040px;
    overflow: hidden;
}

#sankey-chart {
    width: 100%;
    height: 1040px;
}

/* Legend */
.legend-container {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    position: sticky;
    top: 100px;
}

.legend-container h4 {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.legend-item {
    display: grid;
    grid-template-columns: 16px 1fr auto;
    grid-template-rows: auto auto;
    align-items: center;
    gap: var(--spacing-xs) var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.legend-item:hover {
    background: var(--bg-hover);
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: 4px;
    flex-shrink: 0;
    grid-row: 1 / 3;
}

.legend-name {
    font-size: 0.9rem;
    color: var(--text-primary);
    grid-column: 2;
    grid-row: 1;
}

.legend-votes {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
    grid-column: 2;
    grid-row: 2;
}

.legend-seats {
    font-size: 0.85rem;
    color: var(--accent-primary);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    grid-column: 3;
    grid-row: 1 / 3;
    text-align: left;
    white-space: nowrap;
}

.legend-seats.below {
    color: var(--text-muted);
    font-weight: normal;
    font-size: 0.75rem;
}

.legend-item.below-threshold {
    opacity: 0.6;
}

.legend-item.below-threshold:hover {
    opacity: 0.9;
}

/* Tooltip */
.tooltip {
    position: fixed;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-fast);
    z-index: 1000;
    max-width: calc(100vw - 40px);
    max-width: 320px;
    direction: rtl;
}

.tooltip.visible {
    opacity: 1;
}

.tooltip-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.tooltip-color {
    width: 12px;
    height: 12px;
    border-radius: 3px;
}

.tooltip-title {
    font-weight: 600;
    font-size: 1rem;
}

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

.tooltip-body {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.tooltip-stat {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-xs);
}

.tooltip-stat-label {
    color: var(--text-muted);
}

.tooltip-stat-value {
    font-weight: 600;
    color: var(--text-primary);
}

.tooltip-description {
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Enhanced party tooltip with images */
.tooltip-party {
    min-width: 280px;
}

.tooltip-party-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.tooltip-logo {
    width: 48px;
    height: 48px;
    object-fit: contain;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.1);
    padding: 4px;
}

.tooltip-party-title {
    display: flex;
    flex-direction: column;
}

.tooltip-party-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.tooltip-party-name-en {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.tooltip-leader {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-hover);
    border-radius: var(--radius-sm);
}

.tooltip-leader-image {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 50%;
    border: 2px solid var(--border-light);
}

.tooltip-leader-info {
    display: flex;
    flex-direction: column;
}

.tooltip-leader-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.tooltip-leader-name {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* Flow tooltip */
.tooltip-flow {
    text-align: center;
    white-space: nowrap;
}

.tooltip-flow-parties {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.tooltip-flow-party {
    font-weight: 600;
}

.tooltip-flow-arrow {
    color: var(--text-muted);
}

.tooltip-flow-value,
.tooltip-flow-percent {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0.25rem 0;
}

.tooltip-flow-note {
    color: var(--text-muted);
    font-size: 0.75rem;
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border-color);
}

/* Footer */
.main-footer {
    padding: var(--spacing-xl) var(--spacing-lg);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.footer-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.methodology {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.methodology strong {
    color: var(--text-secondary);
}

.credits {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.credits a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.credits a:hover {
    color: var(--accent-secondary);
    text-decoration: underline;
}

/* Sankey styles */
.sankey-node rect {
    cursor: pointer;
    transition: opacity var(--transition-fast);
}

.sankey-node:hover rect {
    opacity: 0.8;
}

.sankey-node text {
    font-family: 'Heebo', sans-serif;
    font-size: 12px;
    fill: var(--text-primary);
    pointer-events: none;
}

.sankey-link {
    fill: none;
    stroke-opacity: 0.4;
    transition: stroke-opacity var(--transition-fast);
}

.sankey-link:hover {
    stroke-opacity: 0.7;
}

.sankey-link.highlighted {
    stroke-opacity: 0.8;
}

.sankey-link.dimmed {
    stroke-opacity: 0.1;
}

/* Loading state */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 400px;
    color: var(--text-muted);
}

.loading::after {
    content: '';
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: var(--spacing-md);
}

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

/* Mobile controls - hidden on desktop */
.mobile-controls {
    display: none;
}

.bottom-sheet {
    display: none;
}

.legends-overlay {
    display: none;
}

/* Responsive - Tablet */
@media (max-width: 1024px) {
    .visualization-container {
        grid-template-columns: 1fr;
    }

    .legend-container {
        position: static;
        order: -1;
    }

    .legend-grid {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }

    .legend-item {
        flex: 0 0 auto;
    }
}

/* ==================== */
/* MOBILE REDESIGN      */
/* ==================== */

@media (max-width: 768px) {
    /* Hide desktop elements */
    .dunes-container,
    .site-subtitle,
    .election-stats,
    .stats-panel,
    .legend-container,
    .tooltip {
        display: none !important;
    }

    /* Compact header */
    .main-header {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .site-title {
        font-size: 1.4rem;
        gap: var(--spacing-xs);
    }

    .title-icon {
        font-size: 1.3rem;
    }

    /* Compact navigation */
    .election-nav {
        padding: var(--spacing-xs) var(--spacing-sm);
        background: var(--bg-secondary);
    }

    .nav-container {
        gap: var(--spacing-xs);
        justify-content: center;
    }

    .nav-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.85rem;
        min-height: 40px;
        border-radius: var(--radius-sm);
    }

    .nav-from, .nav-to {
        font-size: 1rem;
        font-weight: 700;
    }

    .nav-arrow {
        font-size: 0.8rem;
        margin: 0 2px;
    }

    /* Simplified election info */
    .main-content {
        padding: var(--spacing-sm);
        padding-bottom: 80px; /* Space for mobile controls */
    }

    .info-panel {
        margin-bottom: var(--spacing-sm);
    }

    .election-info {
        flex-direction: row;
        justify-content: center;
        align-items: center;
        gap: var(--spacing-sm);
    }

    .election-card {
        padding: var(--spacing-sm);
        background: transparent;
        border: none;
        text-align: center;
        flex: 0 0 auto;
    }

    .election-label {
        font-size: 0.7rem;
    }

    .election-name {
        font-size: 0.95rem;
    }

    .election-date {
        font-size: 0.7rem;
    }

    .arrow-container {
        flex: 0 0 auto;
        transform: none;
    }

    .flow-arrow {
        width: 30px;
        height: 20px;
    }

    /* Full-width Sankey */
    .visualization-container {
        display: block;
    }

    .sankey-wrapper {
        padding: 0;
        background: transparent;
        border: none;
    }

    #sankey-chart {
        height: calc(100vh - 280px);
        min-height: 400px;
        max-height: 700px;
    }

    /* Mobile controls - fixed bottom bar */
    .mobile-controls {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        border-top: 1px solid var(--border-color);
        padding: var(--spacing-sm);
        gap: var(--spacing-sm);
        z-index: 100;
    }

    .mobile-btn {
        flex: 1;
        padding: var(--spacing-sm) var(--spacing-md);
        background: var(--bg-tertiary);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        color: var(--text-primary);
        font-size: 0.9rem;
        font-weight: 500;
        cursor: pointer;
        min-height: 44px;
        transition: all var(--transition-fast);
    }

    .mobile-btn:active {
        background: var(--bg-hover);
        transform: scale(0.98);
    }

    .mobile-btn.active {
        background: var(--accent-primary);
        border-color: var(--accent-primary);
    }

    /* Bottom sheet */
    .bottom-sheet {
        display: block;
        position: fixed;
        bottom: -100%;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        padding: var(--spacing-sm) var(--spacing-md) var(--spacing-xl);
        padding-bottom: calc(var(--spacing-xl) + 70px); /* Account for mobile controls */
        z-index: 200;
        transition: bottom 0.3s ease;
        max-height: 70vh;
        overflow-y: auto;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5);
    }

    .bottom-sheet.visible {
        bottom: 60px; /* Above mobile controls */
    }

    .bottom-sheet-handle {
        width: 40px;
        height: 4px;
        background: var(--border-light);
        border-radius: 2px;
        margin: 0 auto var(--spacing-md);
    }

    .bottom-sheet-content {
        text-align: center;
    }

    .sheet-parties {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: var(--spacing-md);
        margin-bottom: var(--spacing-md);
        font-size: 1.1rem;
        font-weight: 600;
    }

    .sheet-party {
        display: flex;
        align-items: center;
        gap: var(--spacing-xs);
    }

    .sheet-party-color {
        width: 12px;
        height: 12px;
        border-radius: 50%;
    }

    .sheet-arrow {
        color: var(--text-muted);
    }

    .sheet-percent {
        font-size: 2rem;
        font-weight: 700;
        color: var(--accent-primary);
        margin: var(--spacing-md) 0;
    }

    .sheet-description {
        color: var(--text-secondary);
        font-size: 0.9rem;
        margin-bottom: var(--spacing-sm);
    }

    .sheet-votes {
        color: var(--text-muted);
        font-size: 0.8rem;
        padding-top: var(--spacing-sm);
        border-top: 1px solid var(--border-color);
    }

    /* Party details in bottom sheet */
    .sheet-party-details {
        text-align: center;
    }

    .sheet-party-header {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: var(--spacing-sm);
        margin-bottom: var(--spacing-sm);
    }

    .sheet-party-header .sheet-party-color {
        width: 16px;
        height: 16px;
        border-radius: 4px;
    }

    .sheet-party-name {
        font-size: 1.3rem;
        font-weight: 700;
    }

    .sheet-party-votes {
        font-size: 1.1rem;
        color: var(--accent-primary);
        font-weight: 600;
        margin-bottom: var(--spacing-xs);
    }

    .sheet-party-seats {
        font-size: 0.9rem;
        color: var(--text-secondary);
        margin-bottom: var(--spacing-md);
    }

    .sheet-party-leader {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: var(--spacing-sm);
        margin: var(--spacing-md) 0;
        padding: var(--spacing-sm);
        background: var(--bg-tertiary);
        border-radius: var(--radius-md);
    }

    .sheet-leader-img {
        width: 48px;
        height: 48px;
        border-radius: 50%;
        object-fit: cover;
    }

    .sheet-leader-info {
        text-align: right;
    }

    .sheet-leader-label {
        font-size: 0.75rem;
        color: var(--text-muted);
        display: block;
    }

    .sheet-leader-name {
        font-size: 1rem;
        font-weight: 600;
    }

    .sheet-party-ideology {
        font-size: 0.85rem;
        color: var(--text-secondary);
        margin-bottom: var(--spacing-sm);
    }

    .sheet-party-description {
        font-size: 0.8rem;
        color: var(--text-muted);
        line-height: 1.5;
        padding-top: var(--spacing-sm);
        border-top: 1px solid var(--border-color);
    }

    /* Node info buttons */
    .node-info-btn circle {
        fill: var(--bg-tertiary);
        stroke: var(--border-light);
        transition: all var(--transition-fast);
    }

    .node-info-btn:active circle {
        fill: var(--accent-primary);
        stroke: var(--accent-primary);
    }

    .node-info-btn:active text {
        fill: white;
    }

    /* Legends overlay */
    .legends-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.8);
        z-index: 150;
        padding: var(--spacing-md);
        overflow-y: auto;
    }

    .legends-overlay.visible {
        display: block;
    }

    .legends-overlay-content {
        background: var(--bg-secondary);
        border-radius: var(--radius-lg);
        padding: var(--spacing-md);
        max-width: 400px;
        margin: 0 auto;
    }

    .legends-overlay-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: var(--spacing-md);
        padding-bottom: var(--spacing-sm);
        border-bottom: 1px solid var(--border-color);
    }

    .legends-overlay-title {
        font-size: 1.1rem;
        font-weight: 600;
    }

    .legends-overlay-close {
        background: none;
        border: none;
        color: var(--text-muted);
        font-size: 1.5rem;
        cursor: pointer;
        padding: var(--spacing-xs);
    }

    .legends-section {
        margin-bottom: var(--spacing-lg);
    }

    .legends-section-title {
        font-size: 0.9rem;
        font-weight: 600;
        color: var(--text-secondary);
        margin-bottom: var(--spacing-sm);
    }

    .legends-list {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .legend-row {
        display: flex;
        flex-direction: column;
        padding: var(--spacing-sm);
        border-radius: var(--radius-sm);
        cursor: pointer;
        transition: background var(--transition-fast);
    }

    .legend-row:active {
        background: var(--bg-hover);
    }

    .legend-row-main {
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
    }

    .legend-row-color {
        width: 16px;
        height: 16px;
        border-radius: 4px;
        flex-shrink: 0;
    }

    .legend-row-name {
        flex: 1;
        font-size: 0.9rem;
    }

    .legend-row-votes {
        font-size: 0.8rem;
        color: var(--text-muted);
    }

    .legend-row-chevron {
        color: var(--text-muted);
        font-size: 0.8rem;
        transition: transform var(--transition-fast);
    }

    .legend-row.expanded .legend-row-chevron {
        transform: rotate(180deg);
    }

    .legend-row-details {
        display: none;
        padding-top: var(--spacing-sm);
        margin-top: var(--spacing-sm);
        border-top: 1px solid var(--border-color);
        font-size: 0.8rem;
        color: var(--text-secondary);
    }

    .legend-row.expanded .legend-row-details {
        display: block;
    }

    .legend-row-leader {
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
        margin-bottom: var(--spacing-xs);
    }

    .legend-row-leader-img {
        width: 32px;
        height: 32px;
        border-radius: 50%;
        object-fit: cover;
    }

    .legend-row-leader-name {
        font-weight: 500;
        color: var(--text-primary);
    }

    .legend-row-ideology {
        color: var(--text-muted);
        font-size: 0.75rem;
    }

    .legend-row-description {
        margin-top: var(--spacing-xs);
        line-height: 1.4;
    }

    /* Compact footer */
    .main-footer {
        padding: var(--spacing-md);
        margin-bottom: 60px; /* Space for mobile controls */
    }

    .methodology {
        font-size: 0.75rem;
        line-height: 1.5;
    }

    .credits {
        font-size: 0.7rem;
    }
}