/**
 * main.css - Estilos principales de Babel World
 * 
 * Diseño moderno con tema oscuro inspirado en IDEs
 */

/* ============================================
   Variables CSS
   ============================================ */
:root {
    /* Colores principales */
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --bg-hover: #30363d;
    
    /* Texto */
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    
    /* Acentos */
    --accent-blue: #58a6ff;
    --accent-green: #3fb950;
    --accent-yellow: #d29922;
    --accent-red: #f85149;
    --accent-purple: #a371f7;
    
    /* Islas */
    --island-a: #4BACFF;
    --island-b: #FFC32A;
    --island-c: #F1958F;
    
    /* Bordes */
    --border-default: #30363d;
    --border-muted: #21262d;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.5);
    
    /* Espaciado */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Tipografía */
    --font-sans: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    --font-size-xs: 11px;
    --font-size-sm: 12px;
    --font-size-base: 14px;
    --font-size-lg: 16px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    
    /* Bordes redondeados */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;
    
    /* Transiciones */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--bg-primary);
    min-height: 100vh;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

/* ============================================
   Layout Principal
   ============================================ */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    max-width: 1600px;
    width: 100%;
    margin: 0 auto;
    padding: var(--spacing-md);
    gap: var(--spacing-md);
    overflow-x: hidden;
    box-sizing: border-box;
}

/* Header */
.app-header {
    text-align: center;
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--border-default);
}

.app-header h1 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.app-header h1 .logo-icon {
    width: 28px;
    height: 28px;
    stroke: var(--accent-blue);
    -webkit-text-fill-color: initial;
}

.app-header .subtitle {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

/* Main Content */
.main-content {
    display: flex;
    gap: var(--spacing-md);
    flex: 1;
    justify-content: center;
    align-items: flex-start;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    box-sizing: border-box;
}

/* Center Column (Game + Footer) */
.center-column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    flex-shrink: 1;
    width: 1000px;
    max-width: 100%;
    overflow: hidden;
}

/* ============================================
   Panel de Configuración
   ============================================ */
.config-panel {
    width: 240px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    min-width: 0;
    max-width: 100%;
    overflow: hidden;
    box-sizing: border-box;
}

/* Side Panel (Right) */
.side-panel {
    width: 260px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    min-width: 0;
    max-width: 100%;
    overflow: hidden;
    box-sizing: border-box;
}

.panel-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-muted);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    box-sizing: border-box;
    min-width: 0;
}

.panel-section:hover {
    border-color: var(--border-default);
}

.panel-section-flex {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 250px;
    max-height: 500px;
    overflow: hidden;
}

.panel-section h3 {
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--border-muted);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.panel-section h3 .section-icon {
    width: 16px;
    height: 16px;
    opacity: 0.7;
    flex-shrink: 0;
}

.panel-section h3 .section-icon svg {
    width: 100%;
    height: 100%;
}

/* Controles */
.control-group {
    display: flex;
    gap: var(--spacing-sm);
}

.btn {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.btn .btn-icon-svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue) 0%, #4090e0 100%);
    border-color: var(--accent-blue);
    color: var(--bg-primary);
    box-shadow: 0 2px 4px rgba(88, 166, 255, 0.2);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #79b8ff 0%, var(--accent-blue) 100%);
    border-color: #79b8ff;
    box-shadow: 0 4px 8px rgba(88, 166, 255, 0.3);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(88, 166, 255, 0.2);
}

.btn-primary.active {
    background: linear-gradient(135deg, var(--accent-yellow) 0%, #c08820 100%);
    border-color: var(--accent-yellow);
    box-shadow: 0 2px 4px rgba(210, 153, 34, 0.3);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--bg-hover);
    border-color: var(--text-muted);
    transform: translateY(-1px);
}

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

/* Disabled button state */
.btn-disabled,
.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
    transform: none !important;
    box-shadow: none !important;
}

.btn-primary.btn-disabled,
.btn-primary:disabled {
    background: var(--bg-tertiary);
    border-color: var(--border-muted);
    color: var(--text-muted);
}

/* Slider */
.slider-group {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    gap: var(--spacing-xs) var(--spacing-sm);
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.slider-group:last-child {
    margin-bottom: 0;
}

.slider-group label {
    grid-column: 1;
    grid-row: 1;
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    font-weight: 500;
}

.slider-group .slider-value {
    grid-column: 2;
    grid-row: 1;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--accent-blue);
    background: var(--bg-tertiary);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    min-width: 48px;
    text-align: center;
}

.slider-group input[type="range"] {
    grid-column: 1 / -1;
    grid-row: 2;
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}

.slider-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    background: var(--accent-blue);
    border-radius: 50%;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.2);
}

.slider-group input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.15);
    box-shadow: 0 0 0 5px rgba(88, 166, 255, 0.3);
}

.slider-group input[type="range"]::-moz-range-thumb {
    width: 14px;
    height: 14px;
    background: var(--accent-blue);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.2);
}

.slider-group input[type="range"]::-moz-range-thumb:hover {
    transform: scale(1.15);
    box-shadow: 0 0 0 5px rgba(88, 166, 255, 0.3);
}

/* Legacy span support (for backwards compatibility) */
.slider-group > span:not(.slider-value) {
    grid-column: 2;
    grid-row: 1;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--accent-blue);
    background: var(--bg-tertiary);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    min-width: 48px;
    text-align: center;
}

/* Status */
.status-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-xs);
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--border-muted);
}

.stat-row:last-child {
    border-bottom: none;
}

.stat-row span:first-child {
    color: var(--text-muted);
    font-weight: 500;
}

.stat-row span:last-child {
    font-weight: 600;
    color: var(--text-primary);
}

.badge {
    background: var(--bg-tertiary);
    padding: 2px 10px;
    border-radius: var(--radius-sm);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid var(--border-muted);
}

.badge.badge-running {
    background: rgba(63, 185, 80, 0.15);
    color: var(--accent-green);
    border-color: rgba(63, 185, 80, 0.3);
}

.badge.badge-paused {
    background: rgba(210, 153, 34, 0.15);
    color: var(--accent-yellow);
    border-color: rgba(210, 153, 34, 0.3);
}

.badge.badge-idle {
    background: var(--bg-tertiary);
    color: var(--text-muted);
}

/* Seed Control */
.seed-control {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.seed-input {
    flex: 1;
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-muted);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: var(--font-size-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.seed-input::placeholder {
    color: var(--text-muted);
}

.seed-input:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.15);
}

.btn-icon {
    width: 34px;
    height: 34px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-muted);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--text-secondary);
}

.btn-icon svg {
    width: 16px;
    height: 16px;
}

.btn-icon:hover {
    background: var(--bg-hover);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    transform: translateY(-1px);
}

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

.current-seed {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    padding: var(--spacing-xs) 0;
}

.current-seed code {
    background: var(--bg-tertiary);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    color: var(--accent-green);
    font-size: 10px;
    letter-spacing: 0.5px;
}

/* Checkbox Group */
.checkbox-group {
    margin-bottom: var(--spacing-sm);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
    margin: 0 calc(-1 * var(--spacing-sm));
}

.checkbox-label:hover {
    background: var(--bg-tertiary);
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent-blue);
    cursor: pointer;
}

.checkbox-label span {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.checkbox-label:hover span {
    color: var(--text-primary);
}

/* Nomad Config */
.nomad-config {
    display: none;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-muted);
    margin-top: var(--spacing-sm);
}

.nomad-config.visible {
    display: flex;
}

/* Select group (for dropdowns like nomad language) */
.select-group {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
}

.select-group label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.nomad-language-select {
    flex: 1;
    max-width: 120px;
    padding: 4px 8px;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.nomad-language-select:hover {
    border-color: var(--accent-primary);
}

.nomad-language-select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(88, 166, 255, 0.15);
}

.nomad-language-select option {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    padding: 4px;
}

/* ============================================
   Terrain Settings
   ============================================ */
.terrain-settings .terrain-toggles {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-bottom: var(--spacing-sm);
}

.terrain-settings .checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.terrain-toggle-color {
    width: 12px;
    height: 12px;
    border-radius: 2px;
    flex-shrink: 0;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.terrain-toggle-color.lakes {
    background-color: #2980B9;
}

.terrain-toggle-color.mountains {
    background-color: #5D4037;
}

.terrain-toggle-color.forests {
    background-color: #2E7D32;
}

.terrain-sliders {
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-muted);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* ============================================
   Population Panel - Agents per Region
   ============================================ */
.population-panel .panel-hint {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

.agents-per-region {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    max-height: 200px;
    overflow-y: auto;
}

.agents-per-region::-webkit-scrollbar {
    width: 6px;
}

.agents-per-region::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: 3px;
}

.agents-per-region::-webkit-scrollbar-thumb {
    background: var(--border-default);
    border-radius: 3px;
}

.agents-per-region::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

.agent-region-control {
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-left: 3px solid var(--region-color, var(--accent-blue));
    transition: background var(--transition-fast);
}

.agent-region-control:hover {
    background: var(--bg-hover);
}

.agent-region-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: 4px;
}

.agent-region-color {
    width: 10px;
    height: 10px;
    border-radius: 2px;
    flex-shrink: 0;
}

.agent-region-name {
    font-size: var(--font-size-xs);
    color: var(--text-primary);
    font-weight: 500;
    flex: 1;
}

.agent-region-value {
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--accent-blue);
    background: var(--bg-secondary);
    padding: 1px 6px;
    border-radius: var(--radius-sm);
    min-width: 24px;
    text-align: center;
}

.agent-region-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 4px;
    background: var(--bg-secondary);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

.agent-region-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px;
    height: 12px;
    background: var(--region-color, var(--accent-blue));
    border-radius: 50%;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    box-shadow: 0 0 0 2px rgba(88, 166, 255, 0.2);
}

.agent-region-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 0 4px rgba(88, 166, 255, 0.3);
}

.agent-region-slider::-moz-range-thumb {
    width: 12px;
    height: 12px;
    background: var(--region-color, var(--accent-blue));
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    box-shadow: 0 0 0 2px rgba(88, 166, 255, 0.2);
}

.agent-region-slider::-moz-range-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 0 4px rgba(88, 166, 255, 0.3);
}

.no-languages-hint {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    font-style: italic;
    text-align: center;
    padding: var(--spacing-sm);
}

/* Languages Panel */
.languages-panel {
    max-height: none;
    overflow-y: visible;
    overflow-x: hidden;
}

.language-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    width: 100%;
    overflow: hidden;
}

.language-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition-fast);
    min-width: 0;
    overflow: hidden;
}

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

.language-item input[type="checkbox"] {
    width: 14px;
    height: 14px;
    accent-color: var(--accent-blue);
}

.language-item .lang-color {
    width: 12px;
    height: 12px;
    border-radius: 2px;
}

.language-item .lang-name {
    font-size: var(--font-size-xs);
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Mini sprite preview in language selection */
.language-item .lang-sprite-mini {
    width: 12px;
    height: 12px;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    flex-shrink: 0;
}

.language-actions {
    display: flex;
    gap: var(--spacing-xs);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-muted);
    margin-top: var(--spacing-xs);
}

.btn-small {
    flex: 1;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-muted);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

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

/* Language Warning Message */
.language-warning {
    display: block;
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: rgba(248, 81, 73, 0.1);
    border: 1px solid rgba(248, 81, 73, 0.3);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    color: var(--accent-red);
    text-align: center;
    animation: warningPulse 2s ease-in-out infinite;
}

@keyframes warningPulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* Slider labels - handled in main .slider-group styles */

/* Island Cards */
.islands-panel {
    flex: 1;
}

.island-card {
    background: var(--bg-tertiary);
    border-left: 3px solid var(--island-color, var(--text-muted));
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.island-card:last-child {
    margin-bottom: 0;
}

.island-card h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--island-color, var(--text-primary));
    margin-bottom: var(--spacing-xs);
}

.island-stats {
    font-size: var(--font-size-xs);
}

.island-stats .word {
    color: var(--accent-green);
    font-weight: 600;
}

/* ============================================
   Área del Juego
   ============================================ */
.game-area {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
}

.game-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    width: 1000px;
    max-width: 100%;
    height: 600px;
}

.game-container canvas {
    display: block;
    width: 100%;
    height: 100%;
}

.loading-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    height: 600px;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--bg-tertiary);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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


/* ============================================
   Stats Footer - New Layout
   ============================================ */
.stats-footer {
    background: var(--bg-secondary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    box-sizing: border-box;
}

.stats-row {
    display: flex;
    gap: var(--spacing-md);
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    box-sizing: border-box;
}

.stats-row-full {
    width: 100%;
}

.stats-row-half {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.stats-row-half > * {
    min-width: 0;
    max-width: 100%;
    overflow: hidden;
}


/* ============================================
   Events Panel - New Layout
   ============================================ */
.events-panel-new {
    display: flex;
    flex-direction: column;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    min-height: 0;
    overflow: hidden;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.events-panel-new h3 {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--border-muted);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.events-panel-new h3 .section-icon {
    width: 14px;
    height: 14px;
    opacity: 0.7;
    flex-shrink: 0;
}

.events-panel-new h3 .section-icon svg {
    width: 100%;
    height: 100%;
}

.event-log-new {
    list-style: none;
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    font-size: var(--font-size-sm);
    margin: 0;
    padding: 0;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.event-log-new::-webkit-scrollbar {
    width: 6px;
}

.event-log-new::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 3px;
}

.event-log-new::-webkit-scrollbar-thumb {
    background: var(--border-default);
    border-radius: 3px;
}

.event-log-new::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

.event-entry {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-bottom: 1px solid var(--border-muted);
    animation: fadeIn 0.3s ease;
    font-size: var(--font-size-sm);
    line-height: 1.4;
    overflow: hidden;
    word-break: break-word;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.event-entry:last-child {
    border-bottom: none;
}

.event-entry .word {
    font-weight: 700;
}

.event-entry .event-text {
    color: var(--text-muted);
    margin: 0 var(--spacing-xs);
}

.event-entry .event-text.lang-indicator {
    font-size: 0.9em;
    opacity: 0.85;
    margin: 0 2px;
}

.event-placeholder {
    color: var(--text-muted);
    font-style: italic;
    padding: var(--spacing-md);
    text-align: center;
    font-size: var(--font-size-sm);
}

/* Copy Log Button */
.copy-log-btn {
    margin-left: auto;
    width: 22px;
    height: 22px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-muted);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--text-muted);
    flex-shrink: 0;
}

.copy-log-btn svg {
    width: 12px;
    height: 12px;
}

.copy-log-btn:hover {
    background: var(--bg-hover);
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.copy-log-btn.copied {
    background: rgba(63, 185, 80, 0.2);
    border-color: var(--accent-green);
    color: var(--accent-green);
}

/* ============================================
   Error Message
   ============================================ */
.error-message {
    padding: var(--spacing-xl);
    text-align: center;
    color: var(--accent-red);
}

.error-message h3 {
    margin-bottom: var(--spacing-md);
}

.error-message p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

/* ============================================
   Region Stats Panel - New Layout
   ============================================ */
.region-stats-panel-new {
    display: flex;
    flex-direction: column;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

.region-stats-panel-new h3 {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--border-muted);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.region-stats-panel-new h3 .section-icon {
    width: 14px;
    height: 14px;
    opacity: 0.7;
    flex-shrink: 0;
}

.region-stats-panel-new h3 .section-icon svg {
    width: 100%;
    height: 100%;
}

.region-stats-new {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    overflow-y: auto;
    flex: 1;
    align-content: start;
}

.region-stats-new::-webkit-scrollbar {
    width: 6px;
}

.region-stats-new::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 3px;
}

.region-stats-new::-webkit-scrollbar-thumb {
    background: var(--border-default);
    border-radius: 3px;
}

.region-stat-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
    border-left: 3px solid var(--region-color, var(--accent-blue));
    overflow: hidden;
}

.region-stat-card .region-name {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.region-stat-card .region-language {
    font-size: 10px;
    color: var(--text-muted);
    font-weight: normal;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.region-stat-card .stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3px;
    font-size: 11px;
}

.region-stat-card .stat-item {
    display: flex;
    justify-content: space-between;
    gap: 4px;
}

.region-stat-card .stat-label {
    color: var(--text-muted);
    white-space: nowrap;
}

.region-stat-card .stat-value {
    color: var(--text-primary);
    font-weight: 700;
}

.region-stat-card .most-common-word {
    margin-top: 4px;
    padding-top: 4px;
    border-top: 1px solid var(--border-muted);
    font-size: 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.region-stat-card .most-common-word .word-text {
    color: var(--accent-green);
    font-weight: 700;
}

/* ============================================
   Exchange Stats Panel - New Layout
   ============================================ */
.exchange-stats-panel-new {
    display: flex;
    flex-direction: column;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    flex: 1;
    min-height: 0;
}

.exchange-stats-panel-new h3 {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--border-muted);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.exchange-stats-panel-new h3 .section-icon {
    width: 14px;
    height: 14px;
    opacity: 0.7;
    flex-shrink: 0;
}

.exchange-stats-panel-new h3 .section-icon svg {
    width: 100%;
    height: 100%;
}

.exchange-stats-new {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
}

.exchange-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-muted);
    transition: all var(--transition-fast);
}

.exchange-stat:hover {
    border-color: var(--accent-blue);
    transform: translateY(-2px);
}

.exchange-stat .stat-number {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--accent-blue);
    line-height: 1;
}

.exchange-stat:nth-child(2) .stat-number {
    color: var(--accent-green);
}

.exchange-stat:nth-child(3) .stat-number {
    color: var(--accent-yellow);
}

.exchange-stat:nth-child(4) .stat-number {
    color: var(--accent-purple);
}

.exchange-stat .stat-desc {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

/* ============================================
   Animaciones
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

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

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

/* --- Collapsible Panels for Mobile/Tablet --- */
.panel-collapse-toggle {
    display: none; /* Hidden by default on desktop */
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-muted);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
    align-items: center;
    gap: var(--spacing-sm);
}

.panel-collapse-toggle:hover {
    background: var(--bg-hover);
    border-color: var(--border-default);
}

.panel-collapse-toggle .collapse-chevron {
    width: 14px;
    height: 14px;
    margin-left: auto;
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

.panel-collapse-toggle[aria-expanded="false"] .collapse-chevron {
    transform: rotate(-90deg);
}

/* --- Touch-Friendly Enhancements --- */
@media (pointer: coarse) {
    .slider-group input[type="range"]::-webkit-slider-thumb {
        width: 22px;
        height: 22px;
    }
    
    .slider-group input[type="range"]::-moz-range-thumb {
        width: 22px;
        height: 22px;
    }
    
    .agent-region-slider::-webkit-slider-thumb {
        width: 20px;
        height: 20px;
    }
    
    .agent-region-slider::-moz-range-thumb {
        width: 20px;
        height: 20px;
    }
    
    .checkbox-label {
        padding: var(--spacing-sm) var(--spacing-sm);
        min-height: 44px;
    }
    
    .checkbox-label input[type="checkbox"] {
        width: 20px;
        height: 20px;
    }
    
    .btn {
        min-height: 44px;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .btn-small {
        min-height: 36px;
        padding: var(--spacing-sm);
    }
    
    .btn-icon {
        width: 44px;
        height: 44px;
    }
    
    .language-item {
        min-height: 36px;
        padding: var(--spacing-sm);
    }
    
    .seed-input {
        min-height: 44px;
    }
    
    .divine-input,
    .divine-select,
    .nomad-language-select,
    .evolution-select,
    .evolution-search {
        min-height: 44px;
        font-size: 16px; /* Prevent iOS zoom on focus */
    }
}

/* --- Desktop Large: 1600px --- */
@media (max-width: 1600px) {
    .config-panel {
        width: 220px;
    }
    
    .side-panel {
        width: 240px;
    }
}

/* --- Desktop Medium: 1400px --- */
@media (max-width: 1400px) {
    .game-container {
        width: 100%;
        max-width: 100%;
        height: auto;
        aspect-ratio: 1000 / 600;
    }
    
    .center-column {
        flex: 1;
        min-width: 0;
        width: 100%;
        max-width: 100%;
    }
    
    .loading-placeholder {
        height: auto;
        aspect-ratio: 1000 / 600;
    }
    
    .config-panel,
    .side-panel {
        width: 200px;
        min-width: 0;
    }
}

/* --- Desktop Small / Wide Tablet: 1200px --- */
@media (max-width: 1200px) {
    .main-content {
        flex-wrap: wrap;
    }
    
    .center-column {
        order: 1;
        width: 100%;
        max-width: 100%;
        flex-shrink: 1;
    }
    
    .config-panel {
        order: 2;
        width: calc(50% - var(--spacing-sm));
        min-width: 0;
    }
    
    .side-panel {
        order: 3;
        width: calc(50% - var(--spacing-sm));
        min-width: 0;
    }
    
    .game-container {
        width: 100%;
        max-width: 100%;
    }
    
    /* Ensure language grid doesn't overflow */
    .language-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .language-item .lang-name {
        font-size: var(--font-size-xs);
    }
}

/* --- Narrow Tablet / Small Laptop: 900px --- */
@media (max-width: 900px) {
    .main-content {
        flex-direction: column;
        align-items: stretch;
    }
    
    .center-column {
        order: 0;
        width: 100%;
        max-width: 100%;
    }
    
    .config-panel,
    .side-panel {
        width: 100%;
        flex-direction: row;
        flex-wrap: wrap;
        min-width: 0;
    }
    
    .panel-section {
        flex: 1;
        min-width: 180px;
    }
    
    .islands-panel {
        flex-basis: 100%;
    }
    
    .island-card {
        display: inline-block;
        width: calc(33% - var(--spacing-sm));
        margin-right: var(--spacing-sm);
    }
    
    .game-container {
        width: 100%;
        max-width: 100%;
        height: auto;
        aspect-ratio: 5 / 3;
    }
    
    .loading-placeholder {
        height: auto;
        aspect-ratio: 5 / 3;
    }
    
    .config-panel {
        order: 1;
    }
    
    .side-panel {
        order: 2;
    }
}

/* ============================================
   TABLET BREAKPOINT: 768px
   ============================================ */
@media (max-width: 768px) {
    :root {
        --spacing-md: 12px;
        --spacing-lg: 16px;
        --spacing-xl: 24px;
    }
    
    .app-container {
        padding: var(--spacing-sm);
        gap: var(--spacing-sm);
        max-width: 100%;
    }
    
    .app-header {
        padding: var(--spacing-md) 0;
    }
    
    .app-header h1 {
        font-size: var(--font-size-xl);
    }
    
    /* --- Layout: Stack Everything Vertically --- */
    .main-content {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }
    
    .center-column {
        order: 0;
        width: 100%;
        max-width: 100%;
    }
    
    /* Collapsible panels become visible on tablet */
    .panel-collapse-toggle {
        display: flex;
    }
    
    .config-panel,
    .side-panel {
        width: 100%;
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .config-panel {
        order: 1;
    }
    
    .side-panel {
        order: 2;
    }
    
    /* Panels as a two-column grid within the stacked layout */
    .config-panel,
    .side-panel {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }
    
    .config-panel .panel-collapse-toggle,
    .side-panel .panel-collapse-toggle {
        grid-column: 1 / -1;
    }
    
    /* Full-width sections that shouldn't split */
    .panel-section-flex,
    .divine-word-section,
    .languages-panel,
    .population-panel {
        grid-column: 1 / -1;
    }
    
    .panel-section {
        min-width: 0;
    }
    
    /* --- Game Canvas: Adaptive Height --- */
    .game-container {
        width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
        aspect-ratio: 5 / 3;
        border-radius: var(--radius-md);
    }
    
    .loading-placeholder {
        height: auto;
        aspect-ratio: 5 / 3;
    }
    
    .game-area {
        width: 100%;
        max-width: 100%;
    }
    
    /* --- Info Legend: Single-column phenomena --- */
    .phenomena-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .phenomenon-item {
        padding: var(--spacing-sm);
    }
    
    /* --- Stats Footer --- */
    .stats-footer {
        padding: var(--spacing-sm);
        gap: var(--spacing-sm);
    }
    
    .stats-row-half {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .exchange-stats-new {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .region-stats-new {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* --- Agent Tracker --- */
    .tracker-header-row {
        flex-direction: column;
    }
    
    .tracker-stats {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .tracker-header {
        width: 100%;
    }
    
    /* --- Linguistic Events sidebar --- */
    .panel-section-flex {
        max-height: 350px;
    }
    
    /* --- Language Grid --- */
    .language-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* --- Terrain items --- */
    .info-legend .terrain-items {
        gap: var(--spacing-sm) var(--spacing-md);
    }
    
    /* --- Dominance Chart --- */
    .dominance-chart-container-wide #dominance-chart {
        height: 100px;
    }
    
    /* --- Cladogram --- */
    .cladogram-container {
        max-height: 300px;
        padding: var(--spacing-sm);
    }
    
    .clado-label {
        padding: 6px 10px;
        font-size: var(--font-size-sm);
    }
    
    .clado-children {
        margin-left: 16px;
        padding-left: 12px;
    }
    
    /* --- Word Evolution Wide --- */
    .word-evolution-panel-wide .word-selector {
        flex-direction: column;
        align-items: stretch;
    }
    
    .word-search-wrapper {
        max-width: 100%;
    }
}

/* Tablet Landscape */
@media (max-width: 768px) and (orientation: landscape) {
    .main-content {
        flex-direction: column;
    }
    
    .game-container {
        aspect-ratio: 16 / 9;
        max-height: 55vh;
    }
    
    .loading-placeholder {
        aspect-ratio: 16 / 9;
        max-height: 55vh;
    }
    
    /* Two-column panels for more horizontal space */
    .config-panel,
    .side-panel {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }
    
    .config-panel .panel-collapse-toggle,
    .side-panel .panel-collapse-toggle {
        grid-column: 1 / -1;
    }
    
    .panel-section-flex,
    .divine-word-section,
    .languages-panel,
    .population-panel {
        grid-column: 1 / -1;
    }
    
    .stats-row-half {
        grid-template-columns: 1fr 1fr;
    }
    
    .exchange-stats-new {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .region-stats-new {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ============================================
   MOBILE BREAKPOINT: 480px
   ============================================ */
@media (max-width: 480px) {
    :root {
        --spacing-md: 10px;
        --spacing-lg: 14px;
        --spacing-xl: 20px;
        --font-size-xs: 10px;
        --font-size-sm: 11px;
        --font-size-base: 13px;
    }
    
    .app-container {
        padding: var(--spacing-xs);
        gap: var(--spacing-xs);
    }
    
    .app-header {
        padding: var(--spacing-sm) 0;
    }
    
    .app-header h1 {
        font-size: var(--font-size-lg);
    }
    
    .app-header h1 .logo-icon {
        width: 22px;
        height: 22px;
    }
    
    .app-header .subtitle {
        font-size: 10px;
    }
    
    /* --- Layout: Full-width single column --- */
    .main-content {
        gap: var(--spacing-xs);
    }
    
    .config-panel,
    .side-panel {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    /* --- Game Canvas: Taller on mobile --- */
    .game-container {
        aspect-ratio: 4 / 3;
        border-radius: var(--radius-sm);
        min-height: 240px;
    }
    
    .loading-placeholder {
        aspect-ratio: 4 / 3;
        min-height: 240px;
    }
    
    /* --- Panel Sections --- */
    .panel-section {
        padding: var(--spacing-sm);
        border-radius: var(--radius-md);
        min-width: 100%;
    }
    
    .panel-section h3 {
        font-size: 10px;
        margin-bottom: var(--spacing-xs);
    }
    
    .panel-section h3 .section-icon {
        width: 14px;
        height: 14px;
    }
    
    .panel-section-flex {
        min-height: 180px;
        max-height: 300px;
    }
    
    /* --- Buttons --- */
    .control-group {
        gap: var(--spacing-xs);
    }
    
    .btn {
        padding: var(--spacing-sm);
        font-size: var(--font-size-xs);
        border-radius: var(--radius-sm);
    }
    
    .btn .btn-icon-svg {
        width: 12px;
        height: 12px;
    }
    
    /* --- Info Legend --- */
    .info-legend-toggle {
        padding: var(--spacing-sm);
        font-size: var(--font-size-xs);
    }
    
    .info-legend-content {
        padding: 0 var(--spacing-sm) var(--spacing-sm);
        gap: var(--spacing-sm);
    }
    
    .info-legend .info-description {
        font-size: var(--font-size-xs);
    }
    
    .phenomena-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }
    
    .phenomenon-item {
        padding: var(--spacing-xs);
        gap: var(--spacing-xs);
    }
    
    .phenomenon-icon {
        width: 24px;
        height: 24px;
    }
    
    .phenomenon-name {
        font-size: var(--font-size-xs);
    }
    
    .phenomenon-desc {
        font-size: 10px;
        line-height: 1.3;
    }
    
    .info-legend .terrain-items {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    /* --- Seed Control --- */
    .seed-input {
        font-size: var(--font-size-xs);
    }
    
    /* --- Slider --- */
    .slider-group {
        gap: 2px var(--spacing-xs);
    }
    
    .slider-group label {
        font-size: 10px;
    }
    
    .slider-group input[type="range"] {
        height: 8px;
    }
    
    /* --- Language Grid: Single column on mobile --- */
    .language-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 3px;
    }
    
    .language-item {
        padding: var(--spacing-xs);
    }
    
    .language-item .lang-name {
        font-size: 10px;
    }
    
    .language-item input[type="checkbox"] {
        width: 16px;
        height: 16px;
    }
    
    .language-item .lang-color {
        width: 10px;
        height: 10px;
    }
    
    .language-actions {
        padding-top: var(--spacing-xs);
    }
    
    /* --- Stats Footer --- */
    .stats-footer {
        padding: var(--spacing-xs);
        gap: var(--spacing-xs);
        border-radius: var(--radius-md);
    }
    
    .stats-row {
        gap: var(--spacing-xs);
    }
    
    .stats-row-half {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }
    
    .exchange-stats-new {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xs);
    }
    
    .exchange-stat {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .exchange-stat .stat-number {
        font-size: var(--font-size-lg);
    }
    
    .exchange-stat .stat-desc {
        font-size: 9px;
    }
    
    .region-stats-new {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }
    
    .region-stat-card {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .region-stat-card .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2px;
        font-size: 10px;
    }
    
    /* --- Dominance Chart --- */
    .dominance-chart-container-wide #dominance-chart {
        height: 80px;
    }
    
    .dominance-legend {
        gap: var(--spacing-xs) var(--spacing-sm);
    }
    
    .dominance-legend-item {
        font-size: 9px;
    }
    
    /* --- Agent Tracker --- */
    .tracker-header-row {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .tracker-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 3px;
    }
    
    #tracker-sprite {
        width: 40px;
        height: 40px;
    }
    
    .tracker-name {
        font-size: var(--font-size-sm);
    }
    
    .tracker-language {
        font-size: 9px;
    }
    
    .tracker-stat .stat-label {
        font-size: 7px;
    }
    
    .tracker-stat .stat-value {
        font-size: 10px;
    }
    
    .tracker-vocabulary {
        max-height: 70px;
    }
    
    .tracker-word {
        font-size: var(--font-size-xs);
        padding: 1px 4px;
    }
    
    /* --- History --- */
    .history-tab {
        padding: 4px 6px;
        font-size: 9px;
    }
    
    .history-item {
        padding: 3px var(--spacing-xs);
        font-size: var(--font-size-xs);
    }
    
    .history-word {
        font-size: var(--font-size-xs);
        min-width: 40px;
        max-width: 60px;
    }
    
    .history-cycle {
        font-size: 8px;
    }
    
    /* --- Events Log --- */
    .event-log-sidebar .event-entry {
        padding: 3px var(--spacing-xs);
        font-size: 10px;
    }
    
    /* --- Nomads --- */
    .nomad-config .slider-group label {
        font-size: 10px;
    }
    
    /* --- Divine Word --- */
    .divine-word-form {
        gap: var(--spacing-xs);
    }
    
    .divine-input,
    .divine-select {
        padding: 8px;
        font-size: var(--font-size-sm);
    }
    
    .btn-divine {
        padding: var(--spacing-sm);
        font-size: var(--font-size-xs);
    }
    
    .divine-propagation-list {
        max-height: 150px;
    }
    
    .divine-propagation-entry {
        padding: 3px 6px;
        font-size: 10px;
    }
    
    /* --- Cladogram --- */
    .cladogram-container {
        max-height: 250px;
        padding: var(--spacing-xs);
    }
    
    .clado-label {
        padding: 5px 8px;
        gap: 6px;
    }
    
    .clado-word {
        font-size: var(--font-size-xs);
    }
    
    .clado-lang {
        font-size: 9px;
        padding: 1px 4px;
    }
    
    .clado-meta {
        font-size: 9px;
    }
    
    .clado-children {
        margin-left: 12px;
        padding-left: 10px;
    }
    
    .cladogram-legend {
        gap: var(--spacing-sm);
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 10px;
    }
    
    /* --- Word Evolution Wide --- */
    .word-evolution-panel-wide {
        padding: var(--spacing-sm);
    }
    
    .word-evolution-panel-wide .word-selector {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-xs);
    }
    
    .word-search-wrapper {
        max-width: 100%;
    }
    
    .evolution-view-tabs {
        margin-bottom: var(--spacing-sm);
    }
    
    .view-tab {
        padding: 5px 4px;
        font-size: 9px;
    }
    
    .view-tab svg {
        width: 12px;
        height: 12px;
    }
    
    /* --- Timeline --- */
    .timeline-container {
        padding-left: 20px;
    }
    
    .timeline-marker {
        left: -17px;
        width: 14px;
        height: 14px;
    }
    
    .timeline-word {
        font-size: var(--font-size-xs);
    }
    
    .timeline-meta {
        gap: 3px;
    }
    
    /* --- Heatmap --- */
    .heatmap-region {
        padding: var(--spacing-xs);
    }
    
    .heatmap-word {
        font-size: 10px;
        padding: 1px 4px;
    }
    
    /* --- Passport --- */
    .passport-flags {
        gap: 8px 12px;
    }
    
    /* --- Agent Tooltip --- */
    .agent-tooltip {
        max-width: 260px;
        min-width: 160px;
        padding: var(--spacing-sm);
    }
    
    .agent-tooltip .agent-name {
        font-size: var(--font-size-sm);
    }
    
    .agent-tooltip .tooltip-word {
        font-size: var(--font-size-xs);
    }
}

/* Mobile Landscape */
@media (max-width: 480px) and (orientation: landscape) {
    .game-container {
        aspect-ratio: 16 / 9;
        min-height: 200px;
        max-height: 60vh;
    }
    
    .loading-placeholder {
        aspect-ratio: 16 / 9;
        min-height: 200px;
        max-height: 60vh;
    }
}

/* ============================================
   Very Small Screens: 360px and below
   ============================================ */
@media (max-width: 360px) {
    .app-header h1 {
        font-size: var(--font-size-base);
    }
    
    .app-header h1 .logo-icon {
        width: 18px;
        height: 18px;
    }
    
    .language-grid {
        grid-template-columns: 1fr;
    }
    
    .tracker-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .exchange-stats-new {
        grid-template-columns: 1fr;
    }
    
    .control-group {
        flex-direction: column;
    }
}

/* ============================================
   Agent Tooltip
   ============================================ */
.agent-tooltip {
    position: fixed;
    z-index: 10000;
    background: var(--bg-secondary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    min-width: 180px;
    max-width: 320px;
    box-shadow: var(--shadow-lg);
    pointer-events: none;
    font-family: var(--font-sans);
    animation: tooltipFadeIn 0.15s ease-out;
}

@keyframes tooltipFadeIn {
    from {
        opacity: 0;
        transform: translateY(4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.agent-tooltip .tooltip-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-muted);
}

.agent-tooltip .agent-name {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.3px;
}

.agent-tooltip .agent-language {
    font-size: 10px;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.agent-tooltip .tooltip-vocab-header {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.agent-tooltip .tooltip-vocab {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.agent-tooltip .tooltip-word {
    font-size: var(--font-size-sm);
    font-weight: 500;
    padding: 2px 6px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.agent-tooltip .tooltip-word.compound {
    background: linear-gradient(90deg, 
        rgba(255,255,255,0.05) 0%, 
        rgba(255,255,255,0.1) 50%,
        rgba(255,255,255,0.05) 100%
    );
    border: 1px solid var(--border-muted);
}

.agent-tooltip .tooltip-word.compound .word-part {
    font-weight: 600;
}

.agent-tooltip .tooltip-word.mutation {
    font-style: italic;
}

/* ============================================
   Info Legend Section
   ============================================ */
.info-legend {
    background: var(--bg-secondary);
    border: 1px solid var(--border-muted);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color var(--transition-fast);
}

.info-legend:hover {
    border-color: var(--border-default);
}

.info-legend-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
    text-align: left;
    transition: all var(--transition-fast);
}

.info-legend-toggle:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.info-legend-toggle .toggle-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    color: var(--accent-blue);
}

.info-legend-toggle .chevron-icon {
    width: 14px;
    height: 14px;
    margin-left: auto;
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

.info-legend-toggle[aria-expanded="false"] .chevron-icon {
    transform: rotate(-90deg);
}

.info-legend-content {
    padding: 0 var(--spacing-md) var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    animation: infoLegendSlideDown 0.2s ease-out;
}

.info-legend-content.collapsed {
    display: none;
}

@keyframes infoLegendSlideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.info-legend .info-description {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.info-legend .terrain-key h4 {
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-sm);
}

.info-legend .terrain-items {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm) var(--spacing-lg);
}

.info-legend .key-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.info-legend .key-color {
    width: 16px;
    height: 16px;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.info-legend .key-color.water {
    background-color: #2980B9;
}

.info-legend .key-color.land {
    background-color: #7CB342;
}

.info-legend .key-color.forest {
    background-color: #2E7D32;
}

.info-legend .key-color.mountain {
    background-color: #5D4037;
}

.info-legend .key-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.info-legend .key-desc {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.info-legend .attribution {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin: 0;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-muted);
}

.info-legend .attribution a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.info-legend .attribution a:hover {
    color: var(--accent-purple);
    text-decoration: underline;
}

/* ============================================
   Linguistic Phenomena Legend
   ============================================ */
.linguistic-phenomena {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    border: 1px solid var(--border-muted);
}

.linguistic-phenomena h4 {
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.phenomena-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.phenomenon-item {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--accent-blue);
    transition: all var(--transition-fast);
}

.phenomenon-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.phenomenon-item.borrowing {
    border-left-color: var(--accent-blue);
}

.phenomenon-item.mutation {
    border-left-color: var(--accent-yellow);
}

.phenomenon-item.compound {
    border-left-color: var(--accent-purple);
}

.phenomenon-item.diffusion {
    border-left-color: var(--accent-green);
}

.phenomenon-icon {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    padding: 4px;
}

.phenomenon-item.borrowing .phenomenon-icon {
    color: var(--accent-blue);
}

.phenomenon-item.mutation .phenomenon-icon {
    color: var(--accent-yellow);
}

.phenomenon-item.compound .phenomenon-icon {
    color: var(--accent-purple);
}

.phenomenon-item.diffusion .phenomenon-icon {
    color: var(--accent-green);
}

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

.phenomenon-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

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

.phenomenon-desc {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    line-height: 1.4;
}

/* ============================================
   Language Dominance Chart - Wide Version
   ============================================ */
.dominance-chart-panel-wide {
    width: 100%;
    display: flex;
    flex-direction: column;
}

.dominance-chart-panel-wide h3 {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--border-muted);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.dominance-chart-panel-wide h3 .section-icon {
    width: 14px;
    height: 14px;
    opacity: 0.7;
    flex-shrink: 0;
}

.dominance-chart-panel-wide h3 .section-icon svg {
    width: 100%;
    height: 100%;
}

.dominance-chart-container-wide {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
}

.dominance-chart-container-wide #dominance-chart {
    width: 100%;
    height: 120px;
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
}

.dominance-legend {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs) var(--spacing-md);
    padding-top: var(--spacing-xs);
    border-top: 1px solid var(--border-muted);
}

.dominance-legend-item {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 10px;
    color: var(--text-muted);
}

.dominance-legend-color {
    width: 12px;
    height: 4px;
    border-radius: 2px;
    flex-shrink: 0;
}

.dominance-legend-value {
    font-weight: 600;
    color: var(--text-secondary);
    margin-left: 2px;
}

/* ============================================
   Agent Tracker Panel - New Layout
   ============================================ */
.agent-tracker-container-new {
    display: flex;
    flex-direction: column;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    min-height: 0;
    overflow: hidden;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.agent-tracker-panel {
    height: 100%;
    width: 100%;
    max-width: 100%;
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
    box-sizing: border-box;
}

.agent-tracker-panel h3 {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--border-muted);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.agent-tracker-panel h3 .section-icon {
    width: 14px;
    height: 14px;
    opacity: 0.7;
    flex-shrink: 0;
}

.agent-tracker-panel h3 .section-icon svg {
    width: 100%;
    height: 100%;
}

.tracker-content {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 0;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.tracker-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    padding: var(--spacing-md);
    text-align: center;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    font-style: italic;
}

.tracker-agent {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    flex: 1;
    min-height: 0;
    overflow: hidden;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

/* Tracker Header - Combined with Stats */
.tracker-header-row {
    display: flex;
    align-items: stretch;
    gap: var(--spacing-sm);
    flex-shrink: 0;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    box-sizing: border-box;
}

.tracker-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.tracker-sprite-container {
    flex-shrink: 0;
}

#tracker-sprite {
    width: 48px;
    height: 48px;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-muted);
}

.tracker-identity {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 60px;
}

.tracker-name {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tracker-language {
    font-size: 10px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    width: fit-content;
}

/* Tracker Stats - Inline with Header */
.tracker-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
    flex: 1;
    min-width: 0;
}

.tracker-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-xs);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    min-width: 0;
}

.tracker-stat .stat-label {
    font-size: 8px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.tracker-stat .stat-value {
    font-size: 11px;
    font-weight: 700;
    color: var(--accent-blue);
}

.tracker-stat:nth-child(2) .stat-value {
    color: var(--accent-green);
}

.tracker-stat:nth-child(3) .stat-value {
    color: var(--accent-yellow);
}

.tracker-stat:nth-child(4) .stat-value {
    color: var(--accent-purple);
}

/* Tracker Passport */
.tracker-passport {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    width: 100%;
    box-sizing: border-box;
    margin-bottom: var(--spacing-sm);
}

.tracker-passport h4 {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin: 0;
    flex-shrink: 0;
}

.passport-flags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 16px;
    align-items: flex-end;
    padding: 6px 0;
}

.passport-flag {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: default;
    position: relative;
    transition: transform var(--transition-fast);
}

.passport-flag:hover {
    transform: scale(1.15);
}

.passport-flag .flag-pole {
    width: 2px;
    height: 16px;
    background: linear-gradient(180deg, #4a4a4a 0%, #2a2a2a 100%);
    border-radius: 1px 1px 0 0;
}

.passport-flag .flag-banner {
    width: 18px;
    height: 12px;
    border-radius: 1px;
    position: absolute;
    top: 1px;
    left: 3px;
    box-shadow: 
        1px 1px 2px rgba(0,0,0,0.3),
        inset 0 1px 0 rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.passport-flag .flag-banner::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(90deg, transparent 0%, rgba(0,0,0,0.15) 100%);
    border-radius: 0 1px 1px 0;
}

.passport-flag.home-region .flag-banner {
    box-shadow: 
        0 0 6px var(--flag-color),
        1px 1px 2px rgba(0,0,0,0.3),
        inset 0 1px 0 rgba(255,255,255,0.2);
}

.passport-flag .home-icon {
    font-size: 8px;
    filter: drop-shadow(0 0 1px rgba(0,0,0,0.5));
}

.passport-flags .no-visits {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    font-style: italic;
}

/* Tracker Vocabulary */
.tracker-vocabulary {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    min-height: 70px;
    max-height: 90px;
    overflow: hidden;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.tracker-vocabulary h4 {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin: 0;
    flex-shrink: 0;
}

.tracker-words {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    align-content: flex-start;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.tracker-words::-webkit-scrollbar {
    width: 3px;
}

.tracker-words::-webkit-scrollbar-thumb {
    background: var(--border-default);
    border-radius: 2px;
}

.tracker-word {
    font-size: var(--font-size-sm);
    font-weight: 500;
    padding: 2px 6px;
    background: var(--bg-secondary);
    border-radius: 3px;
    cursor: default;
    transition: background var(--transition-fast);
    word-break: break-word;
    max-width: 100%;
    overflow: hidden;
}

.tracker-word:hover {
    background: var(--bg-hover);
}

.tracker-word.compound {
    background: linear-gradient(90deg, 
        rgba(163, 113, 247, 0.2) 0%, 
        rgba(88, 166, 255, 0.2) 100%
    );
    border: 1px solid var(--border-muted);
}

.tracker-word.mutation {
    font-style: italic;
}

.no-words {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    font-style: italic;
}

/* Tracker History */
.tracker-history {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

.history-tabs {
    display: flex;
    gap: 2px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    padding: 2px;
    flex-shrink: 0;
}

.history-tab {
    flex: 1;
    padding: 5px 10px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    color: var(--text-muted);
    background: transparent;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.history-tab:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.history-tab.active {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.history-content {
    flex: 1;
    overflow: hidden;
    min-height: 0;
}

.history-list {
    list-style: none;
    margin: 0;
    padding: 0;
    height: 100%;
    max-height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    width: 100%;
}

.history-list::-webkit-scrollbar {
    width: 4px;
}

.history-list::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: 2px;
}

.history-list::-webkit-scrollbar-thumb {
    background: var(--border-default);
    border-radius: 2px;
}

.history-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 4px var(--spacing-sm);
    font-size: var(--font-size-sm);
    border-bottom: 1px solid var(--border-muted);
    cursor: default;
    transition: background var(--transition-fast);
    overflow: hidden;
    width: 100%;
    box-sizing: border-box;
}

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

.history-item:last-child {
    border-bottom: none;
}

.history-word {
    font-weight: 700;
    font-size: var(--font-size-sm);
    min-width: 50px;
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.history-type {
    font-size: 11px;
    flex-shrink: 0;
}

.history-type-label {
    font-size: 9px;
    color: var(--text-muted);
    padding: 1px 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    text-transform: uppercase;
    flex-shrink: 0;
}

.history-direction {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.history-direction strong {
    font-weight: 600;
}

.history-lang {
    padding: 1px 5px;
    border-radius: 2px;
    font-size: 9px;
    font-weight: 600;
    flex-shrink: 0;
}

.history-cycle {
    color: var(--accent-blue);
    font-size: 9px;
    font-family: var(--font-mono);
    font-weight: 600;
    flex-shrink: 0;
    margin-left: auto;
    padding: 1px 4px;
    background: rgba(59, 130, 246, 0.15);
    border-radius: 3px;
    cursor: help;
}

.history-empty {
    color: var(--text-muted);
    font-style: italic;
    padding: var(--spacing-md);
    text-align: center;
    font-size: var(--font-size-sm);
}

/* ============================================
   Sidebar Panels (Agent Tracker + Linguistic Events)
   ============================================ */
.agent-tracker-sidebar {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.agent-tracker-sidebar h3 {
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--border-muted);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex-shrink: 0;
}

.agent-tracker-sidebar .tracker-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
}

.agent-tracker-sidebar .tracker-vocabulary {
    max-height: 70px;
    min-height: 50px;
}

.agent-tracker-sidebar .tracker-history {
    flex: 1;
    min-height: 80px;
    overflow: hidden;
}

.agent-tracker-sidebar .history-content {
    flex: 1;
    overflow-y: auto;
}

.agent-tracker-sidebar .history-list {
    max-height: none;
    height: auto;
    overflow-y: auto;
}

.events-panel-sidebar {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.events-panel-sidebar h3 {
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--border-muted);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex-shrink: 0;
}

.events-panel-sidebar h3 .section-icon {
    width: 14px;
    height: 14px;
    opacity: 0.7;
    flex-shrink: 0;
}

.events-panel-sidebar h3 .section-icon svg {
    width: 100%;
    height: 100%;
}

.event-log-sidebar {
    list-style: none;
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    font-size: var(--font-size-sm);
    margin: 0;
    padding: 0;
}

.event-log-sidebar::-webkit-scrollbar {
    width: 4px;
}

.event-log-sidebar::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: 2px;
}

.event-log-sidebar::-webkit-scrollbar-thumb {
    background: var(--border-default);
    border-radius: 2px;
}

.event-log-sidebar .event-entry {
    padding: var(--spacing-xs);
    border-bottom: 1px solid var(--border-muted);
    font-size: 11px;
    line-height: 1.3;
    word-break: break-word;
}

/* Word Evolution Sidebar */
.word-evolution-sidebar {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

/* ============================================
   Word Evolution Panel
   ============================================ */
.word-evolution-panel {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.word-evolution-panel h3 {
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--border-muted);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex-shrink: 0;
}

.word-evolution-panel h3 .section-icon {
    width: 14px;
    height: 14px;
    opacity: 0.7;
    flex-shrink: 0;
}

.word-evolution-panel h3 .section-icon svg {
    width: 100%;
    height: 100%;
}

.evolution-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.evolution-content::-webkit-scrollbar {
    width: 4px;
}

.evolution-content::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: 2px;
}

.evolution-content::-webkit-scrollbar-thumb {
    background: var(--border-default);
    border-radius: 2px;
}

/* Word Selector */
.word-selector {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.word-selector label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    font-weight: 500;
}

.evolution-select {
    width: 100%;
    padding: var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-family: var(--font-sans);
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.evolution-select:hover {
    border-color: var(--accent-blue);
}

.evolution-select:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(88, 166, 255, 0.15);
}

.evolution-select option {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    padding: 4px;
}

.evolution-select optgroup {
    font-weight: 600;
    color: var(--text-secondary);
    background-color: var(--bg-tertiary);
}

/* Placeholder */
.evolution-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    text-align: center;
    color: var(--text-muted);
}

.evolution-placeholder p {
    font-size: var(--font-size-sm);
    margin: 0;
}

.evolution-placeholder .hint {
    font-size: var(--font-size-xs);
    font-style: italic;
    margin-top: var(--spacing-xs);
    opacity: 0.7;
}

/* Evolution Info */
.evolution-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.word-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.selected-word {
    font-size: var(--font-size-lg);
    font-weight: 700;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-left: 3px solid currentColor;
}

.word-stats {
    display: flex;
    gap: var(--spacing-sm);
}

.word-stat {
    display: flex;
    align-items: center;
    gap: 3px;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    padding: 2px 6px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    cursor: help;
}

.word-stat svg {
    opacity: 0.7;
}

.word-stat span:last-child {
    font-weight: 600;
    color: var(--text-secondary);
}

/* Diffusion Display */
.word-diffusion {
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.word-diffusion h4 {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--text-muted);
    margin: 0 0 var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

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

/* Área chart for diffusion */
.diffusion-area-chart {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.diffusion-stacked-bar {
    display: flex;
    height: 24px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--bg-tertiary);
}

.diffusion-segment {
    height: 100%;
    transition: opacity var(--transition-fast);
}

.diffusion-segment:hover {
    opacity: 0.8;
}

.diffusion-legend {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm) var(--spacing-md);
}

.diffusion-legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: var(--font-size-xs);
}

.diffusion-color {
    width: 12px;
    height: 12px;
    border-radius: 2px;
    flex-shrink: 0;
}

.diffusion-lang {
    color: var(--text-secondary);
}

.diffusion-percent {
    color: var(--text-muted);
    font-family: var(--font-mono);
}

/* Evolution Tree */
.evolution-tree-container {
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.evolution-tree-container h4 {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--text-muted);
    margin: 0 0 var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.tree-view {
    font-size: var(--font-size-sm);
}

.tree-node {
    margin-left: calc(var(--depth) * 16px);
    position: relative;
}

.tree-node::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--border-muted);
}

.tree-node:first-child::before {
    top: 50%;
}

.tree-node:last-child::before {
    bottom: 50%;
}

.tree-node:only-child::before {
    display: none;
}

.tree-node-content {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 3px 6px;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.tree-node-content:hover {
    background: var(--bg-tertiary);
}

.tree-node.selected > .tree-node-content {
    background: rgba(88, 166, 255, 0.15);
    border: 1px solid rgba(88, 166, 255, 0.3);
}

.tree-node-toggle {
    width: 16px;
    height: 16px;
    padding: 0;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-fast);
    flex-shrink: 0;
}

.tree-node-toggle:hover {
    color: var(--accent-blue);
}

.tree-node-spacer {
    width: 16px;
    flex-shrink: 0;
}

.tree-node-icon {
    font-size: 12px;
    flex-shrink: 0;
}

.tree-node-word {
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100px;
}

.tree-node-meta {
    display: flex;
    gap: 4px;
    margin-left: auto;
    font-size: 10px;
    color: var(--text-muted);
}

.tree-node-meta span {
    opacity: 0.7;
}

.tree-node-children {
    margin-top: 2px;
}

/* Ancestry Chain */
.evolution-ancestry {
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.evolution-ancestry h4 {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--text-muted);
    margin: 0 0 var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.ancestry-chain {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
}

.ancestry-node {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.ancestry-node.current {
    background: rgba(88, 166, 255, 0.15);
    border: 1px solid rgba(88, 166, 255, 0.3);
}

.ancestry-word {
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.ancestry-lang {
    font-size: 9px;
    font-weight: 600;
    padding: 1px 4px;
    border-radius: 2px;
}

.ancestry-type {
    font-size: 9px;
    color: var(--text-muted);
    font-style: italic;
}

.ancestry-arrow {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.ancestry-compound-note {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px dashed var(--border-muted);
    width: 100%;
}

.compound-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    font-style: italic;
}

/* ============================================
   Word Evolution - View Tabs
   ============================================ */
.evolution-view-tabs {
    display: flex;
    gap: 2px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    padding: 2px;
    margin-bottom: var(--spacing-sm);
}

.view-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 6px 8px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    color: var(--text-muted);
    background: transparent;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.view-tab.active {
    color: var(--accent-blue);
    background: var(--bg-tertiary);
}

.view-tab svg {
    opacity: 0.7;
    flex-shrink: 0;
}

.view-tab.active svg {
    opacity: 1;
}

.view-tab span {
    display: none;
}

@media (min-width: 300px) {
    .view-tab span {
        display: inline;
    }
}

/* Evolution View Panel (shared) */
.evolution-view-panel {
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
}

.evolution-view-panel .view-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--border-muted);
}

.evolution-view-panel .view-header h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.evolution-view-panel .view-hint {
    font-size: 10px;
    color: var(--text-muted);
    font-style: italic;
}

/* ============================================
   Word Evolution - Timeline View
   ============================================ */
.timeline-container {
    position: relative;
    padding-left: 24px;
}

.timeline-line {
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, 
        var(--accent-blue) 0%, 
        var(--accent-purple) 50%,
        var(--accent-green) 100%);
    border-radius: 1px;
    opacity: 0.3;
}

.timeline-event {
    position: relative;
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
    margin-bottom: var(--spacing-xs);
    transition: all var(--transition-fast);
}

.timeline-event:hover {
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    padding-left: var(--spacing-xs);
    margin-left: calc(-1 * var(--spacing-xs));
}

.timeline-event.selected {
    background: rgba(88, 166, 255, 0.1);
    border-radius: var(--radius-sm);
    padding-left: var(--spacing-xs);
    margin-left: calc(-1 * var(--spacing-xs));
}

.timeline-marker {
    position: absolute;
    left: -20px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 0 3px var(--bg-secondary);
    z-index: 1;
}

.timeline-icon {
    font-size: 10px;
    filter: brightness(1.2);
}

.timeline-content {
    flex: 1;
    min-width: 0;
}

.timeline-word {
    font-size: var(--font-size-sm);
    font-weight: 700;
    display: block;
    margin-bottom: 2px;
}

.timeline-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    align-items: center;
}

.timeline-lang {
    font-size: 9px;
    font-weight: 600;
    padding: 1px 4px;
    border-radius: 2px;
}

.timeline-age {
    font-size: 9px;
    color: var(--text-muted);
}

.timeline-count {
    font-size: 9px;
    color: var(--text-muted);
}

.timeline-origin {
    font-size: 10px;
    color: var(--text-muted);
    margin-top: 2px;
}

.timeline-origin strong {
    font-weight: 600;
}

/* ============================================
   Word Evolution - Heatmap View
   ============================================ */
.heatmap-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.heatmap-region {
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
    border-left: 3px solid var(--region-color, var(--accent-blue));
    transition: all var(--transition-fast);
}

.heatmap-region:hover {
    transform: translateX(2px);
    box-shadow: var(--shadow-sm);
}

.heatmap-region-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.heatmap-region-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.heatmap-region-count {
    font-size: 10px;
    color: var(--text-muted);
    background: var(--bg-secondary);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

.heatmap-intensity-bar {
    height: 4px;
    background: var(--bg-secondary);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: var(--spacing-xs);
}

.heatmap-intensity-fill {
    height: 100%;
    border-radius: 2px;
    transition: width 0.5s ease;
    box-shadow: 0 0 4px currentColor;
}

.heatmap-words {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.heatmap-word {
    font-size: var(--font-size-xs);
    font-weight: 500;
    padding: 2px 6px;
    background: var(--bg-secondary);
    border-radius: 3px;
    cursor: default;
    transition: all var(--transition-fast);
}

.heatmap-word:hover {
    background: var(--bg-hover);
    transform: scale(1.05);
}

.heatmap-word.selected {
    background: rgba(88, 166, 255, 0.2);
    border: 1px solid rgba(88, 166, 255, 0.4);
}

.heatmap-more {
    font-size: 10px;
    color: var(--text-muted);
    font-style: italic;
    padding: 2px 6px;
}

.heatmap-empty {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--text-muted);
}

.heatmap-empty p {
    font-size: var(--font-size-sm);
    font-style: italic;
}

.heatmap-legend {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-muted);
}

.heatmap-legend-label {
    font-size: 10px;
    color: var(--text-muted);
    font-weight: 500;
}

.heatmap-legend-bar {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
}

.heatmap-legend-min,
.heatmap-legend-max {
    font-size: 9px;
    color: var(--text-muted);
}

.heatmap-legend-gradient {
    flex: 1;
    height: 6px;
    background: linear-gradient(90deg, 
        rgba(88, 166, 255, 0.2) 0%,
        rgba(88, 166, 255, 0.5) 50%,
        rgba(88, 166, 255, 1) 100%);
    border-radius: 3px;
}

/* ============================================
   Word Evolution - Wide Panel (Center Column)
   ============================================ */
.word-evolution-panel-wide {
    width: 100%;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-default);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    box-sizing: border-box;
}

.word-evolution-panel-wide .word-evolution-panel {
    width: 100%;
    height: auto;
    max-height: none;
}

.word-evolution-panel-wide .word-evolution-panel h3 {
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.word-evolution-panel-wide .evolution-content {
    max-height: none;
    overflow: visible;
}

.word-evolution-panel-wide .word-selector {
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.word-evolution-panel-wide .word-selector label {
    white-space: nowrap;
}

/* Word Search */
.word-search-wrapper {
    position: relative;
    flex: 1;
    max-width: 350px;
}

.evolution-search {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    font-family: var(--font-mono);
}

.evolution-search:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(88, 166, 255, 0.2);
}

.evolution-search::placeholder {
    color: var(--text-muted);
}

.word-search-results {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    max-height: 300px;
    overflow-y: auto;
    background: var(--bg-secondary);
    border: 1px solid var(--border-default);
    border-top: none;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    box-shadow: var(--shadow-md);
    z-index: 100;
}

.search-result-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    cursor: pointer;
    transition: background var(--transition-fast);
}

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

.search-result-icon {
    font-size: 12px;
    flex-shrink: 0;
}

.search-result-word {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.search-result-lang {
    font-size: 10px;
    color: var(--text-muted);
    padding: 2px 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
}

.search-result-type {
    font-size: 10px;
    color: var(--text-muted);
    margin-left: auto;
}

.search-no-results {
    padding: 12px;
    text-align: center;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

/* Refresh Button */
.evolution-refresh-btn {
    width: 36px;
    height: 36px;
    padding: 0;
    border: 1px solid var(--border-default);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.evolution-refresh-btn:hover {
    background: var(--bg-hover);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.evolution-refresh-btn.spinning svg {
    animation: spin 0.5s ease-in-out;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.word-evolution-panel-wide .evolution-view-tabs {
    margin-bottom: var(--spacing-md);
}

/* ============================================
   Cladogram (Vertical Phylogenetic Tree)
   ============================================ */
.cladogram-container {
    width: 100%;
    max-height: 400px;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.cladogram {
    display: flex;
    flex-direction: column;
    width: 100%;
    position: relative;
}

.cladogram-root {
    display: flex;
    flex-direction: column;
    width: 100%;
}

/* Cladogram Node - Vertical Layout */
.clado-node {
    display: flex;
    flex-direction: column;
    position: relative;
    width: 100%;
}

.clado-label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    z-index: 2;
    flex-wrap: wrap;
}

.clado-label:hover {
    background: var(--bg-hover);
    border-color: var(--border-default);
}

.clado-label.selected {
    background: rgba(88, 166, 255, 0.15);
    border-color: var(--accent-blue);
    box-shadow: 0 0 8px rgba(88, 166, 255, 0.3);
}

.clado-label.root {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, rgba(139, 233, 253, 0.1) 100%);
    border-color: var(--accent-cyan);
}

.clado-label.mutation {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, rgba(255, 121, 198, 0.1) 100%);
}

.clado-label.compound {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, rgba(189, 147, 249, 0.1) 100%);
}

.clado-label.more {
    background: var(--bg-secondary);
    border-style: dashed;
    opacity: 0.7;
}

.clado-icon {
    font-size: 14px;
    flex-shrink: 0;
}

.clado-word {
    font-weight: 700;
    font-size: var(--font-size-sm);
    font-family: var(--font-mono);
}

.clado-lang {
    font-size: 10px;
    color: var(--text-muted);
    padding: 2px 6px;
    background: var(--bg-secondary);
    border-radius: 3px;
}

.clado-meta {
    display: flex;
    gap: 6px;
    font-size: 10px;
    color: var(--text-muted);
    margin-left: auto;
}

.clado-meta .meta-agents {
    color: var(--accent-cyan);
}

.clado-meta .meta-cycle {
    color: var(--accent-purple);
    font-family: var(--font-mono);
    background: rgba(189, 147, 249, 0.15);
    padding: 1px 4px;
    border-radius: 3px;
}

/* Vertical Children Container */
.clado-children {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-left: 24px;
    margin-top: 4px;
    padding-left: 16px;
    border-left: 2px solid var(--border-muted);
    position: relative;
}

.clado-child {
    position: relative;
}

/* Horizontal connector from vertical line to child */
.clado-child::before {
    content: '';
    position: absolute;
    left: -16px;
    top: 50%;
    width: 12px;
    height: 2px;
    background: var(--border-muted);
}

/* Empty state */
.cladogram-empty {
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-xl);
    color: var(--text-muted);
}

.cladogram-empty p {
    font-size: var(--font-size-sm);
    margin: 0;
}

.cladogram-empty .hint {
    font-size: var(--font-size-xs);
    font-style: italic;
    margin-top: var(--spacing-xs);
    opacity: 0.7;
}

/* Cladogram Legend */
.cladogram-legend {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-xs);
}

.cladogram-legend-item {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--text-muted);
}

.cladogram-legend-item .icon {
    font-size: 12px;
}

/* Responsive adjustments for new Stats Footer layout */
@media (max-width: 1200px) {
    .stats-row-half {
        grid-template-columns: 1fr;
    }
    
    .exchange-stats-new {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ============================================
   Divine Word Panel
   ============================================ */
.divine-word-section {
    border-top: 1px solid var(--border-muted);
}

.divine-word-section h3 {
    color: var(--accent-yellow);
}

.divine-word-section .section-icon svg {
    color: var(--accent-yellow);
}

.divine-word-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.divine-input-group {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.divine-input-group label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.divine-input {
    padding: 6px 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    font-family: var(--font-mono);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.divine-input:focus {
    outline: none;
    border-color: var(--accent-yellow);
    box-shadow: 0 0 0 2px rgba(210, 153, 34, 0.2);
}

.divine-input::placeholder {
    color: var(--text-muted);
    font-family: var(--font-sans);
}

.divine-select {
    padding: 6px 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.divine-select:focus {
    outline: none;
    border-color: var(--accent-yellow);
}

.btn-divine {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 12px;
    background: linear-gradient(135deg, rgba(210, 153, 34, 0.2) 0%, rgba(210, 153, 34, 0.1) 100%);
    border: 1px solid var(--accent-yellow);
    border-radius: var(--radius-sm);
    color: var(--accent-yellow);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-divine:hover:not(:disabled) {
    background: linear-gradient(135deg, rgba(210, 153, 34, 0.35) 0%, rgba(210, 153, 34, 0.2) 100%);
    box-shadow: 0 0 12px rgba(210, 153, 34, 0.3);
}

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

.btn-divine .btn-icon-svg {
    width: 14px;
    height: 14px;
}

.divine-feedback {
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    text-align: center;
    animation: divine-fade-in 0.3s ease;
}

.divine-feedback.success {
    background: rgba(63, 185, 80, 0.15);
    border: 1px solid rgba(63, 185, 80, 0.3);
    color: var(--accent-green);
}

.divine-feedback.error {
    background: rgba(248, 81, 73, 0.15);
    border: 1px solid rgba(248, 81, 73, 0.3);
    color: var(--accent-red);
}

.divine-feedback.info {
    background: rgba(88, 166, 255, 0.15);
    border: 1px solid rgba(88, 166, 255, 0.3);
    color: var(--accent-blue);
}

@keyframes divine-fade-in {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Divine Word Tracking / Propagation */
.divine-tracking {
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px dashed var(--border-muted);
}

.divine-tracking h4 {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--accent-yellow);
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: 6px;
}

.divine-propagation-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-height: 200px;
    overflow-y: auto;
    scrollbar-width: thin;
}

.divine-propagation-entry {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    border-left: 2px solid var(--accent-yellow);
    animation: divine-fade-in 0.3s ease;
}

.divine-propagation-entry .propagation-icon {
    font-size: 11px;
    flex-shrink: 0;
}

.divine-propagation-entry .propagation-word {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--accent-yellow);
}

.divine-propagation-entry .propagation-arrow {
    color: var(--text-muted);
    font-size: 10px;
}

.divine-propagation-entry .propagation-agent {
    font-weight: 600;
}

.divine-propagation-entry .propagation-lang {
    font-size: 10px;
    padding: 1px 4px;
    background: var(--bg-secondary);
    border-radius: 3px;
    color: var(--text-muted);
}

.divine-propagation-entry .propagation-cycle {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-muted);
    background: rgba(189, 147, 249, 0.15);
    padding: 1px 4px;
    border-radius: 3px;
}

.divine-propagation-empty {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    font-style: italic;
    padding: 4px;
}

/* Divine word indicator in vocabulary displays */
.tracker-word.divine {
    background: rgba(210, 153, 34, 0.25);
    border: 1px solid rgba(210, 153, 34, 0.5);
    box-shadow: 0 0 6px rgba(210, 153, 34, 0.2);
    position: relative;
}

.tracker-word.divine::before {
    content: '✦';
    position: absolute;
    top: -4px;
    right: -2px;
    font-size: 8px;
    color: var(--accent-yellow);
}

/* Divine word in event log */
.event-entry .word.divine-word {
    color: var(--accent-yellow) !important;
    text-shadow: 0 0 6px rgba(210, 153, 34, 0.4);
}

.event-entry .divine-badge {
    display: inline-block;
    font-size: 9px;
    padding: 1px 4px;
    background: rgba(210, 153, 34, 0.2);
    border: 1px solid rgba(210, 153, 34, 0.4);
    border-radius: 3px;
    color: var(--accent-yellow);
    margin-left: 4px;
    vertical-align: middle;
}