:root {
    /* Terrain colors - Slay pastel style */
    --terrain-land: #90B060;
    --terrain-sea: #6090C0;
    --terrain-tree: #408040;

    /* Player colors - Slay pastel palette */
    --player-0: #E08080;
    --player-1: #80A0E0;
    --player-2: #80C080;
    --player-3: #E0E080;
    --player-4: #C080C0;
    --player-5: #E0A060;

    /* UI colors - Light theme (warm parchment) */
    --bg-primary: #F5EDE0;
    --bg-secondary: #FFF9F0;
    --bg-tertiary: #EDE4D4;
    --bg-elevated: #FFFCF5;
    --border-color: #C9B99A;
    --border-light: #DDD4C4;
    --border-accent: #A08060;
    --accent: #B03050;
    --accent-light: #D04070;
    --accent-glow: rgba(176, 48, 80, 0.3);
    --gold: #C4960C;
    --gold-light: #E8C040;
    --gold-glow: rgba(196, 150, 12, 0.4);
    --text-primary: #2C2418;
    --text-secondary: #6B5D4D;
    --text-muted: #9A8A7A;
    --success: #3D7A50;
    --success-light: #5A9A6A;

    /* Shadows - warm tint */
    --shadow-xs: 0 1px 2px rgba(44, 36, 24, 0.08);
    --shadow-sm: 0 2px 4px rgba(44, 36, 24, 0.10), 0 1px 2px rgba(44, 36, 24, 0.06);
    --shadow-md: 0 4px 8px rgba(44, 36, 24, 0.12), 0 2px 4px rgba(44, 36, 24, 0.08);
    --shadow-lg: 0 8px 24px rgba(44, 36, 24, 0.15), 0 4px 8px rgba(44, 36, 24, 0.10);
    --shadow-xl: 0 16px 48px rgba(44, 36, 24, 0.20), 0 8px 16px rgba(44, 36, 24, 0.12);
    --shadow-glow-accent: 0 0 20px var(--accent-glow);
    --shadow-glow-gold: 0 0 16px var(--gold-glow);
    --shadow-inset: inset 0 1px 3px rgba(44, 36, 24, 0.1);

    /* Typography */
    --font-heading: Georgia, 'Times New Roman', serif;
    --font-body: 'Segoe UI', system-ui, -apple-system, sans-serif;

    /* Sizes */
    --header-height: 60px;
    --status-height: 40px;
    --right-panel-width: 340px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Dark theme - warm dark */
[data-theme="dark"] {
    --bg-primary: #1E1A16;
    --bg-secondary: #2A2420;
    --bg-tertiary: #3A332C;
    --bg-elevated: #44382E;
    --border-color: #5A4A3A;
    --border-light: #4A3A2A;
    --border-accent: #8A7A5A;
    --accent: #E06080;
    --accent-light: #F080A0;
    --accent-glow: rgba(224, 96, 128, 0.35);
    --gold: #E0B830;
    --gold-light: #F0D060;
    --gold-glow: rgba(224, 184, 48, 0.4);
    --text-primary: #E8E0D8;
    --text-secondary: #B0A090;
    --text-muted: #807060;
    --success: #60A880;
    --success-light: #80C8A0;

    /* Shadows for dark theme */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.25), 0 1px 2px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.3), 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.35), 0 4px 8px rgba(0, 0, 0, 0.25);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.4), 0 8px 16px rgba(0, 0, 0, 0.3);

    /* Darker terrain colors */
    --terrain-land: #607040;
    --terrain-sea: #405880;
    --terrain-tree: #305030;

    /* Slightly muted player colors for dark mode */
    --player-0: #C06060;
    --player-1: #6080C0;
    --player-2: #60A060;
    --player-3: #C0C060;
    --player-4: #A060A0;
    --player-5: #C08050;
}

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

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
}

#app {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

header {
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 2px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

header h1 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    color: var(--accent);
    text-shadow: 0 1px 0 rgba(255, 255, 255, 0.5);
    letter-spacing: 0.02em;
}

[data-theme="dark"] header h1 {
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

#controls {
    display: flex;
    gap: 1rem;
    align-items: center;
}

button {
    background: linear-gradient(180deg, var(--bg-tertiary) 0%, rgba(0, 0, 0, 0.03) 100%), var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-xs);
}

button:hover:not(:disabled) {
    background: linear-gradient(180deg, var(--accent-light) 0%, var(--accent) 100%);
    border-color: var(--accent);
    color: white;
    box-shadow: var(--shadow-sm), var(--shadow-glow-accent);
    transform: translateY(-1px);
}

button:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: var(--shadow-xs);
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--bg-tertiary);
}

/* Dropdown menu */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    z-index: 100;
    min-width: 150px;
    margin-top: 2px;
}

.dropdown:hover .dropdown-content,
.dropdown.active .dropdown-content {
    display: block;
}

.dropdown-content button {
    display: block;
    width: 100%;
    text-align: left;
    padding: 0.5rem 1rem;
    border-radius: 0;
    background: transparent;
}

.dropdown-content button:hover {
    background: var(--bg-tertiary);
}

.dropdown-content button:first-child {
    border-radius: 4px 4px 0 0;
}

.dropdown-content button:last-child {
    border-radius: 0 0 4px 4px;
}

/* Icon link buttons (rules, etc) */
.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    background: var(--bg-tertiary);
    border-radius: 4px;
    color: var(--text-primary);
    text-decoration: none;
    transition: background var(--transition-fast);
}

.btn-icon:hover {
    background: var(--accent);
    color: white;
}

#btn-theme {
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

#btn-theme svg {
    transition: transform var(--transition-fast);
}

[data-theme="dark"] #btn-theme svg {
    transform: rotate(180deg);
}

/* Primary button (Play/Pause/End Turn) */
button.primary {
    background: var(--accent);
    color: white;
    font-weight: bold;
    min-width: 100px;
}

button.primary:hover:not(:disabled) {
    background: var(--accent-light);
}

button.primary.end-turn {
    background: var(--success);
}

button.primary.end-turn:hover:not(:disabled) {
    background: var(--success-light);
}

/* Unified playback controls */
.playback-controls {
    display: flex;
    align-items: center;
    gap: 3px;
    background: linear-gradient(180deg, var(--bg-tertiary) 0%, rgba(0, 0, 0, 0.05) 100%), var(--bg-tertiary);
    padding: 4px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.playback-controls button {
    padding: 0.45rem 0.65rem;
    font-size: 0.85rem;
    min-width: auto;
    background: transparent;
    border: none;
    border-radius: 5px;
    box-shadow: none;
}

.playback-controls button:hover:not(:disabled) {
    background: var(--bg-secondary);
    box-shadow: var(--shadow-xs);
    transform: none;
}

/* Center play button with turn indicator */
.playback-controls .play-center {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.85rem;
    background: linear-gradient(180deg, color-mix(in srgb, var(--player-bg, var(--accent)) 90%, white) 0%, var(--player-bg, var(--accent)) 100%);
    color: white;
    font-weight: 600;
    min-width: 110px;
    justify-content: center;
    border-radius: 6px;
    border: 1px solid rgba(0, 0, 0, 0.15);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.playback-controls .play-center:hover:not(:disabled) {
    filter: brightness(1.1);
    transform: scale(1.02);
    box-shadow: var(--shadow-md);
}

.playback-controls .play-center:disabled {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    box-shadow: none;
}

.playback-controls .play-center .play-icon {
    font-size: 0.9rem;
}

.playback-controls .play-center.paused .play-icon::before {
    content: '⏸';
}

.playback-controls .play-center.end-turn {
    background: linear-gradient(180deg, var(--success-light, #5A9A6A) 0%, var(--success) 100%);
}

.playback-controls .play-center.end-turn:hover:not(:disabled) {
    background: linear-gradient(180deg, var(--success) 0%, #2D5A40 100%);
}

.playback-controls .play-center.end-turn .play-icon::before {
    content: '✓';
}

#turn-nav {
    font-size: 0.8rem;
    white-space: nowrap;
}

/* Running animation for fast-forward */
.playback-controls .running {
    animation: pulse 0.5s ease-in-out infinite alternate;
}

/* Confirm pending state (double-click required) */
.playback-controls button.confirm-pending {
    background: linear-gradient(180deg, var(--gold-light) 0%, var(--gold) 100%) !important;
    color: var(--text-primary);
    animation: pulse 0.5s ease-in-out infinite alternate;
    box-shadow: var(--shadow-glow-gold);
}

@keyframes pulse {
    from { opacity: 0.7; }
    to { opacity: 1; }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px var(--accent-glow);
    }
    50% {
        box-shadow: 0 0 20px var(--accent-glow), 0 0 30px var(--accent-glow);
    }
}

@keyframes player-glow {
    0%, 100% {
        box-shadow: 0 0 8px var(--player-color), var(--shadow-sm);
    }
    50% {
        box-shadow: 0 0 16px var(--player-color), 0 0 24px var(--player-color), var(--shadow-sm);
    }
}

/* Speed toggle */
.speed-toggle {
    display: flex;
    gap: 2px;
    background: var(--bg-primary);
    padding: 3px;
    border-radius: 6px;
    margin-left: 0.5rem;
    border: 1px solid var(--border-light, var(--border-color));
}

.speed-toggle .speed-btn {
    padding: 0.3rem 0.5rem;
    font-size: 0.9rem;
    background: transparent;
    border-radius: 4px;
    min-width: 32px;
    border: none;
    box-shadow: none;
}

.speed-toggle .speed-btn:hover:not(:disabled) {
    background: var(--bg-tertiary);
    transform: none;
}

.speed-toggle .speed-btn.active {
    background: linear-gradient(180deg, var(--accent-light) 0%, var(--accent) 100%);
    box-shadow: var(--shadow-xs);
}

main {
    flex: 1;
    display: flex;
    overflow: hidden;
}

#game-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 1rem;
    gap: 1rem;
    position: relative;
    overflow: hidden;
    min-height: 0;  /* Important for flex children to respect bounds */
}

#board {
    flex: 1;
    min-height: 300px;
    background:
        linear-gradient(45deg, rgba(0, 0, 0, 0.02) 25%, transparent 25%, transparent 75%, rgba(0, 0, 0, 0.02) 75%),
        linear-gradient(-45deg, rgba(0, 0, 0, 0.02) 25%, transparent 25%, transparent 75%, rgba(0, 0, 0, 0.02) 75%),
        linear-gradient(180deg, var(--bg-tertiary) 0%, color-mix(in srgb, var(--terrain-sea) 15%, var(--bg-tertiary)) 100%);
    background-size: 20px 20px, 20px 20px, 100% 100%;
    border-radius: 12px;
    border: 2px solid var(--border-color);
    box-shadow: var(--shadow-inset), var(--shadow-md);
    touch-action: none;
    user-select: none;
}

[data-theme="dark"] #board {
    background:
        linear-gradient(45deg, rgba(255, 255, 255, 0.02) 25%, transparent 25%, transparent 75%, rgba(255, 255, 255, 0.02) 75%),
        linear-gradient(-45deg, rgba(255, 255, 255, 0.02) 25%, transparent 25%, transparent 75%, rgba(255, 255, 255, 0.02) 75%),
        linear-gradient(180deg, var(--bg-tertiary) 0%, color-mix(in srgb, var(--terrain-sea) 20%, var(--bg-tertiary)) 100%);
    background-size: 20px 20px, 20px 20px, 100% 100%;
}

/* Map overlay button (change map at start) */
.map-overlay-btn {
    display: none;
    position: absolute;
    bottom: 1.5rem;
    right: 1.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    font-size: 0.9rem;
    z-index: 10;
    opacity: 0.85;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.map-overlay-btn:hover {
    opacity: 1;
    transform: scale(1.05);
    background: var(--bg-tertiary);
}

.map-overlay-btn.visible {
    display: block;
}

/* Player cards removed from right panel */

/* Right Panel - Players, Stats Graph, Log */
#right-panel {
    width: var(--right-panel-width);
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    border-left: 2px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: relative;
    transition: transform var(--transition-slow), width var(--transition-slow);
    box-shadow: var(--shadow-lg);
}

#right-panel.collapsed {
    transform: translateX(calc(var(--right-panel-width) - 40px));
}

#right-panel.collapsed .panel-tabs,
#right-panel.collapsed .tab-content {
    opacity: 0;
    pointer-events: none;
}

.panel-toggle {
    position: absolute;
    left: -16px;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 48px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px 0 0 8px;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast), color var(--transition-fast);
    z-index: 10;
}

.panel-toggle:hover {
    background: var(--accent);
    color: white;
}

#right-panel.collapsed .panel-toggle svg {
    transform: rotate(180deg);
}

/* Panel Tabs */
.panel-tabs {
    display: flex;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.panel-tab {
    flex: 1;
    padding: 0.6rem 0.5rem;
    border: none;
    border-radius: 0;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    box-shadow: none;
}

.panel-tab:hover:not(:disabled) {
    color: var(--text-primary);
    background: rgba(0, 0, 0, 0.05);
    transform: none;
    box-shadow: none;
}

.panel-tab.active {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-bottom-color: var(--accent);
    font-weight: 600;
}

.panel-tab.active:hover:not(:disabled) {
    background: var(--bg-secondary);
}

/* Tab Content */
.tab-content {
    display: none;
    flex: 1;
    overflow: hidden;
    flex-direction: column;
}

.tab-content.active {
    display: flex;
}

/* Stats Tab */
#tab-stats {
    padding: 0.6rem;
}

#stats-graph {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

#metric-toggle {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
}

.metric-btn {
    padding: 0.3rem 0.5rem;
    font-size: 0.7rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.metric-btn:hover {
    background: var(--bg-primary);
}

.metric-btn.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.trees-toggle {
    margin-left: auto;
    cursor: pointer;
    opacity: 0.5;
    transition: opacity var(--transition-fast);
}

.trees-toggle:hover,
.trees-toggle:has(input:checked) {
    opacity: 1;
}

.trees-toggle input {
    display: none;
}

#stats-chart {
    flex: 1;
    min-height: 150px;
}

/* Log Tab */
#tab-log {
    overflow: hidden;
}

#log-content {
    flex: 1;
    overflow-y: auto;
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.log-entry {
    padding: 0.6rem 0.75rem;
    border-radius: 6px;
    font-size: 0.85rem;
    line-height: 1.5;
    border-left: 4px solid var(--player-color, #666);
    background: linear-gradient(90deg, color-mix(in srgb, var(--player-color, #666) 8%, var(--bg-tertiary)) 0%, var(--bg-tertiary) 100%);
    box-shadow: var(--shadow-xs);
    animation: slideUp 0.25s var(--ease-out-expo);
    transition: transform var(--transition-fast);
}

.log-entry:hover {
    transform: translateX(2px);
}

.log-entry .player-name {
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 0.25rem;
    opacity: 0.9;
}

.log-entry.thinking {
    font-style: italic;
    color: var(--text-muted, #aaa);
}

.log-entry.tool_call {
    background: rgba(69, 123, 157, 0.2);
    font-family: monospace;
    font-size: 0.8rem;
}

.log-entry.tool_result {
    background: color-mix(in srgb, var(--success) 15%, transparent);
    font-size: 0.8rem;
}

.log-entry.tool_result.error {
    background: color-mix(in srgb, var(--accent) 15%, transparent);
}

.log-entry.action {
    background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.log-entry.summary {
    font-weight: bold;
    background: color-mix(in srgb, var(--gold) 12%, transparent);
    border-left-color: var(--gold) !important;
}

.log-entry .player-name {
    font-weight: bold;
    margin-bottom: 0.25rem;
}

.log-info {
    color: var(--text-muted);
    font-style: italic;
}

#status-bar {
    background: linear-gradient(180deg, var(--bg-tertiary) 0%, color-mix(in srgb, var(--bg-tertiary) 90%, black) 100%);
    padding: 0.5rem 2rem;
    display: flex;
    gap: 2rem;
    font-size: 0.85rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

#connection-status {
    margin-left: auto;
    font-weight: 500;
}

#connection-status.connected {
    color: var(--success);
}

#connection-status.connected::before {
    content: '●';
    margin-right: 0.4em;
    animation: pulse 2s ease-in-out infinite;
}

#connection-status.disconnected {
    color: var(--accent);
}

#connection-status.disconnected::before {
    content: '○';
    margin-right: 0.4em;
}

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

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--border-accent) 0%, var(--border-color) 100%);
    border-radius: 5px;
    border: 2px solid var(--bg-secondary);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--gold) 0%, var(--border-accent) 100%);
}

::-webkit-scrollbar-corner {
    background: var(--bg-secondary);
}

.unit-btn.selected {
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent);
}

#btn-end-turn {
    background: var(--success);
    color: white;
}

#btn-end-turn:hover {
    background: var(--success);
    filter: brightness(0.85);
}

/* Turn indicator */
#turn-indicator {
    position: absolute;
    top: 0.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

#turn-indicator .turn-banner {
    display: inline-block;
    background: var(--accent);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-weight: bold;
    font-size: 0.9rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.help-text {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.75rem;
    text-align: center;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(20, 16, 12, 0.85);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
    animation: fadeIn 0.2s var(--ease-out-expo);
}

.modal-content {
    background: linear-gradient(180deg, var(--bg-elevated, var(--bg-secondary)) 0%, var(--bg-secondary) 100%);
    border-radius: 16px;
    padding: 2rem;
    max-width: 520px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    border: 2px solid var(--border-color);
    box-shadow: var(--shadow-xl);
    animation: scaleIn 0.3s var(--ease-out-expo);
}

.modal-content h2 {
    margin-bottom: 1.5rem;
    color: var(--accent);
    text-align: center;
    font-family: var(--font-heading);
    font-size: 1.3rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    position: relative;
    padding-bottom: 1rem;
}

.modal-content h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    border-radius: 2px;
}

.setup-section {
    margin-bottom: 1.5rem;
}

.setup-section h3 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.player-slot {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem;
    background: var(--bg-tertiary);
    border-radius: 6px;
    margin-bottom: 0.5rem;
}

.player-color {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    flex-shrink: 0;
}

.player-label {
    width: 60px;
    font-weight: bold;
}

.player-slot select {
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.4rem 0.6rem;
    border-radius: 6px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-xs);
}

.player-slot select:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-sm);
}

.player-slot select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-glow);
}

.player-slot .player-type {
    flex: 1;
}

.player-slot .ai-difficulty {
    width: 80px;
}

.map-options {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.map-options label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.map-options select,
.map-options input {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.4rem 0.5rem;
    border-radius: 4px;
    font-size: 0.85rem;
}

.map-options input {
    width: 80px;
}

.map-preview-section {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
    padding: 0.75rem;
    background: var(--bg-primary);
    border-radius: 4px;
}

#setup-map-preview {
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--terrain-sea);
}

#btn-change-map {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.modal-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.modal-buttons button {
    flex: 1;
    padding: 0.75rem;
    font-size: 1rem;
}

#btn-start-game {
    background: var(--success);
}

#btn-start-game:hover {
    background: var(--success);
    filter: brightness(0.85);
}

button.secondary {
    background: var(--bg-tertiary);
}

button.secondary:hover {
    background: var(--bg-tertiary);
    filter: brightness(1.2);
}

/* Region Panel (Slay-style territory manager) */
#region-panel {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--bg-secondary);
    border: 2px solid var(--accent);
    border-radius: 10px;
    padding: 0;
    width: 180px;
    z-index: 100;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.region-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem 0.6rem;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, var(--header-color, var(--bg-tertiary)) 0%, color-mix(in srgb, var(--header-color, var(--bg-tertiary)) 70%, var(--bg-tertiary)) 100%);
    border-radius: 8px 8px 0 0;
    cursor: move;
}

.region-header h3 {
    margin: 0;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    color: white;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

.region-header .close-btn {
    background: none;
    border: none;
    color: rgba(255,255,255,0.7);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.region-header .close-btn:hover {
    color: white;
}

.region-stats {
    padding: 0.5rem 0.6rem;
    display: flex;
    gap: 1rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    font-size: 0.8rem;
}

.region-stats > div {
    display: flex;
    gap: 0.5rem;
}

.region-stats span {
    color: var(--text-secondary);
}

.region-stats strong {
    color: var(--gold);
    font-weight: 700;
    text-shadow: 0 0 8px var(--gold-glow);
}

.region-actions {
    padding: 0.5rem 0.6rem;
}

.region-actions h4 {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
}

.buy-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.35rem;
}

.buy-btn {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.25rem;
    padding: 0.35rem 0.4rem;
    background: var(--bg-tertiary);
    border: 1px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.buy-btn:hover:not(:disabled) {
    background: var(--bg-elevated, var(--bg-secondary));
    border-color: var(--accent);
}

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

.buy-btn .unit-icon {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--accent);
}

.buy-btn .unit-name {
    font-size: 0.7rem;
    color: var(--text-primary);
    flex: 1;
}

.buy-btn .unit-cost {
    font-size: 0.65rem;
    color: var(--gold);
    font-weight: 600;
}

/* Hex info panel styles */
.region-header {
    background: linear-gradient(135deg, var(--header-color, var(--bg-tertiary)) 0%, var(--bg-tertiary) 100%);
}

.region-header h3 {
    color: white;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.hex-details {
    padding: 0.4rem 0.6rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.8rem;
}

.hex-terrain {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    text-transform: capitalize;
}

.hex-coords {
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-family: monospace;
}

.hex-unit {
    padding: 0.4rem 0.6rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-primary);
    font-size: 0.8rem;
}

.hex-unit-icon {
    font-size: 1.1rem;
}

.hex-unit-type {
    text-transform: capitalize;
    font-weight: bold;
}

.hex-moved {
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-style: italic;
}

.hex-region {
    padding: 0.4rem 0.6rem;
    font-size: 0.8rem;
}

.hex-region > div {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.15rem;
}

.hex-region .gold-value {
    color: var(--gold);
}

.hex-capital {
    padding: 0.3rem 0.6rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    background: linear-gradient(90deg, rgba(255, 215, 0, 0.15), transparent);
    border-left: 2px solid var(--gold);
    font-size: 0.8rem;
    font-weight: bold;
}

/* Placement mode banner */
#placement-banner {
    position: absolute;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(180deg, var(--gold-light) 0%, var(--gold) 100%);
    color: #2C2418;  /* Always dark text on gold */
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: bold;
    font-family: var(--font-heading);
    z-index: 50;
    display: none;
    box-shadow: var(--shadow-lg), var(--shadow-glow-gold);
    border: 1px solid rgba(0, 0, 0, 0.15);
}

#placement-banner button {
    margin-left: 1rem;
    padding: 0.25rem 0.75rem;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

#placement-banner button:hover {
    background: var(--accent);
    filter: brightness(0.85);
}

/* Old stats-panel removed - now in right-panel */

/* Games list in load modal */
#games-list {
    max-height: 400px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.game-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border-radius: 8px;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.game-item:hover {
    background: var(--accent);
}

.game-preview {
    width: 80px;
    height: 60px;
    background: var(--bg-primary);
    border-radius: 4px;
    flex-shrink: 0;
}

.game-info {
    flex: 1;
}

.game-info .turn {
    font-weight: bold;
    font-size: 1rem;
}

.game-info .date {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.game-info .players {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

#games-list .empty {
    text-align: center;
    color: var(--text-secondary);
    padding: 2rem;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* Mobile controls - hidden by default */
.mobile-controls {
    display: none;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 280px;
    height: 100%;
    background: var(--bg-secondary);
    padding: 1rem;
    transform: translateX(-100%);
    transition: transform var(--transition-slow) var(--ease-out-expo);
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}

.mobile-menu.active .mobile-menu-content {
    transform: translateX(0);
}

.mobile-menu-section {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.mobile-menu-section:last-child {
    border-bottom: none;
}

.mobile-menu-section button,
.mobile-menu-section .menu-link {
    width: 100%;
    text-align: left;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border: none;
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.95rem;
    cursor: pointer;
    text-decoration: none;
    display: block;
    transition: background var(--transition-fast);
}

.mobile-menu-section button:hover,
.mobile-menu-section .menu-link:hover {
    background: var(--accent);
    color: white;
}

.mobile-nav-controls {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
}

.mobile-nav-controls button {
    flex: 1;
    min-height: 44px;
    font-size: 1rem;
}

.mobile-menu-section .speed-toggle {
    margin: 0.5rem 0 0 0;
    width: 100%;
}

/* Tablet (< 1024px) */
@media (max-width: 1024px) {
    :root {
        --right-panel-width: 280px;
    }

    header {
        padding: 0.75rem 1.5rem;
    }

    #controls {
        gap: 0.5rem;
    }

    .playback-controls {
        gap: 2px;
    }

    .playback-controls button {
        padding: 0.4rem 0.5rem;
        font-size: 0.8rem;
    }

    .playback-controls .play-center {
        padding: 0.45rem 0.7rem;
        min-width: 100px;
    }

    #turn-nav {
        font-size: 0.75rem;
    }
}

/* Mobile (< 768px) */
@media (max-width: 768px) {
    /* Show mobile controls, hide desktop */
    .mobile-controls {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        flex: 1;
        justify-content: space-between;
    }

    .mobile-menu {
        display: block;
    }

    #controls {
        display: none;
    }

    /* Compact header */
    header {
        padding: 0.5rem 0.75rem;
        flex-direction: row;
        align-items: center;
        gap: 0.75rem;
    }

    header h1 {
        font-size: 1.1rem;
        flex-shrink: 0;
    }

    /* Mobile play button */
    .mobile-controls .play-center {
        flex: 1;
        max-width: 140px;
        min-height: 40px;
        padding: 0.4rem 0.75rem;
        font-size: 0.85rem;
    }

    .mobile-controls .btn-icon {
        min-width: 40px;
        min-height: 40px;
        padding: 0.4rem;
        flex-shrink: 0;
    }

    /* Game area - maximize space */
    #game-area {
        padding: 0.5rem;
        gap: 0.5rem;
    }

    #board {
        min-height: 0;
        flex: 1;
        border-radius: 8px;
    }

    /* Right panel as bottom sheet */
    #right-panel {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        top: auto;
        width: 100%;
        height: 60vh;
        max-height: 60vh;
        border-left: none;
        border-top: 2px solid var(--border-color);
        border-radius: 16px 16px 0 0;
        transform: translateY(calc(100% - 0px));
        transition: transform var(--transition-slow) var(--ease-out-expo);
        z-index: 1000;
    }

    #right-panel:not(.collapsed) {
        transform: translateY(0);
    }

    #right-panel .panel-toggle {
        display: none;
    }

    /* Bottom sheet drag handle */
    #right-panel::before {
        content: '';
        position: absolute;
        top: 8px;
        left: 50%;
        transform: translateX(-50%);
        width: 40px;
        height: 4px;
        background: var(--border-color);
        border-radius: 2px;
    }

    .panel-tabs {
        padding-top: 1rem;
    }

    /* Status bar compact */
    #status-bar {
        padding: 0.4rem 0.75rem;
        font-size: 0.75rem;
        gap: 0.75rem;
    }

    #connection-status {
        margin-left: auto;
    }

    /* Region panel */
    #region-panel {
        top: 8px;
        left: 8px;
        width: auto;
        max-width: calc(100vw - 16px);
    }

    /* Modals */
    .modal-content {
        width: 95%;
        max-height: 85vh;
        padding: 1.25rem;
        border-radius: 12px;
    }

    .modal-content h2 {
        font-size: 1.1rem;
        margin-bottom: 1rem;
        padding-bottom: 0.75rem;
    }

    .setup-section h3 {
        font-size: 0.8rem;
        margin-bottom: 0.5rem;
    }

    .player-slot {
        padding: 0.4rem;
        gap: 0.4rem;
        flex-wrap: nowrap;
    }

    .player-slot .player-color {
        width: 16px;
        height: 16px;
    }

    .player-slot .player-label {
        width: auto;
        font-size: 0.8rem;
        min-width: 50px;
    }

    .player-slot select {
        padding: 0.3rem 0.4rem;
        font-size: 0.8rem;
        flex: 1;
        min-width: 0;
    }

    .map-options {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .map-options label {
        font-size: 0.85rem;
        flex: 1;
        min-width: 120px;
    }

    .map-options select,
    .map-options input {
        padding: 0.35rem 0.4rem;
        font-size: 0.85rem;
    }

    .map-preview-section {
        flex-direction: row;
        align-items: center;
        padding: 0.5rem;
        gap: 0.75rem;
    }

    #setup-map-preview {
        width: 120px;
        height: 90px;
        flex-shrink: 0;
    }

    #btn-change-map {
        padding: 0.4rem 0.75rem;
        font-size: 0.85rem;
    }

    .modal-buttons {
        flex-direction: row;
        gap: 0.75rem;
        margin-top: 1rem;
    }

    .modal-buttons button {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }

    /* Map overlay */
    .map-overlay-btn {
        bottom: 0.75rem;
        right: 0.75rem;
        padding: 0.4rem 0.75rem;
        font-size: 0.8rem;
    }

    /* Turn indicator */
    #turn-indicator .turn-banner {
        font-size: 0.8rem;
        padding: 0.4rem 1rem;
    }
}

/* Small mobile (< 480px) */
@media (max-width: 480px) {
    header h1 {
        font-size: 1rem;
    }

    .mobile-controls .play-center {
        max-width: 120px;
        padding: 0.35rem 0.5rem;
        font-size: 0.8rem;
    }

    .mobile-controls .btn-icon {
        min-width: 36px;
        min-height: 36px;
    }

    #game-area {
        padding: 0.25rem;
    }

    #board {
        border-radius: 6px;
        border-width: 1px;
    }

    /* Bottom sheet smaller */
    #right-panel {
        height: 50vh;
        max-height: 50vh;
    }

    .panel-tab {
        padding: 0.5rem 0.25rem;
        font-size: 0.7rem;
    }

    /* Compact region panel */
    #region-panel {
        width: 160px;
    }

    .region-header {
        padding: 0.3rem 0.5rem;
    }

    .region-header h3 {
        font-size: 0.75rem;
    }

    .region-stats {
        padding: 0.4rem 0.5rem;
        font-size: 0.75rem;
        gap: 0.5rem;
    }

    .buy-buttons {
        grid-template-columns: 1fr 1fr;
        gap: 0.25rem;
    }

    .buy-btn {
        padding: 0.25rem 0.3rem;
    }

    .buy-btn .unit-name {
        font-size: 0.65rem;
    }

    /* Log entries */
    .log-entry {
        padding: 0.4rem 0.5rem;
        font-size: 0.75rem;
    }

    /* Stats */
    .metric-btn {
        font-size: 0.6rem;
        padding: 0.2rem 0.35rem;
    }

    #stats-chart {
        min-height: 120px;
    }

    /* Status bar */
    #status-bar {
        font-size: 0.7rem;
        padding: 0.35rem 0.5rem;
    }

    /* Modal adjustments */
    .player-slot .player-label {
        display: none;
    }

    .player-slot .player-color {
        width: 20px;
        height: 20px;
    }

    .modal-content {
        padding: 1rem;
    }

    .modal-content h2 {
        font-size: 1rem;
    }
}

/* Landscape mobile */
@media (max-height: 500px) and (orientation: landscape) {
    header {
        padding: 0.35rem 0.75rem;
    }

    header h1 {
        font-size: 0.95rem;
    }

    #game-area {
        padding: 0.25rem;
    }

    #right-panel {
        height: 70vh;
        max-height: 70vh;
    }

    #status-bar {
        padding: 0.25rem 0.5rem;
        font-size: 0.7rem;
    }

    .modal-content {
        max-height: 95vh;
        padding: 0.75rem;
    }

    .setup-section {
        margin-bottom: 0.75rem;
    }

    .player-slot {
        margin-bottom: 0.25rem;
    }
}