/* Fixed Know-It-All Styles - Simple Layout */

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    /* Enable hardware acceleration for smoother animations */
    -webkit-transform: translateZ(0);
    -moz-transform: translateZ(0);
    -ms-transform: translateZ(0);
    -o-transform: translateZ(0);
    transform: translateZ(0);
}

/* Optimize touch events for mobile */
html {
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

/* Main container - simple centered layout */
.phone-container {
    display: block;
    width: 100%;
    max-width: 400px;
    margin: 50px auto;
    padding: 0 20px;
}

.phone-frame {
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    width: 100%;
}

/* Remove phone-specific styling */
.phone-notch,
.status-bar {
    display: none;
}

/* Screen management */
.screen {
    display: none;
    width: 100%;
}

.screen.active {
    display: block;
}

/* Header styling */
.app-header {
    background: linear-gradient(135deg, #1a73e8 0%, #1557b0 100%);
    color: white;
    padding: 30px 20px;
    text-align: center;
}

.app-title,
.screen-title {
    margin: 0;
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 8px;
}

.app-subtitle,
.screen-subtitle {
    margin: 0;
    font-size: 16px;
    opacity: 0.9;
}

/* Content areas */
.screen-content {
    padding: 30px 20px;
}

/* Card styling */
.action-card,
.form-card,
.info-card {
    background: #f8f9fa;
    padding: 20px;
    margin: 0 0 20px 0;
    border-radius: 10px;
    border: 1px solid #e9ecef;
}

#promptInfo {
    border: 2px solid #007bff;
    border-radius: 8px;
    padding: 15px;
    background: #ffffff;
    margin: 10px 0;
}

.card-icon {
    font-size: 24px;
    margin-bottom: 10px;
}

.card-title {
    margin: 0 0 10px 0;
    font-size: 18px;
    font-weight: 600;
    color: #333;
}

.card-description {
    margin: 0 0 15px 0;
    color: #666;
    font-size: 14px;
    line-height: 1.4;
}

/* Section headers */
.section-header {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.section-icon {
    font-size: 20px;
    margin-right: 10px;
}

.section-title {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin: 0;
}

/* Button styling with mobile accessibility standards */
.btn {
    width: 100%;
    min-height: 44px; /* iOS/Android minimum touch target */
    padding: 15px;
    border: none;
    border-radius: 8px;
    font-size: 16px; /* Minimum readable size on mobile */
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s ease;
    margin: 8px 0 0 0;
    display: block;
    text-decoration: none;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    /* GPU acceleration for smooth touch interactions */
    will-change: transform;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.btn.primary {
    background: linear-gradient(135deg, #1a73e8 0%, #1557b0 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(26, 115, 232, 0.3);
}

.btn.primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(26, 115, 232, 0.4);
}

.btn.secondary {
    background: white;
    color: #1a73e8;
    border: 2px solid #e5e7eb;
}

.btn.secondary:hover {
    background: #f8f9fa;
    border-color: #1a73e8;
    transform: translateY(-1px);
}

/* Form styling */
.form-group {
    margin: 15px 0;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    box-sizing: border-box;
    min-height: 44px; /* Minimum touch target height */
    touch-action: manipulation;
    -webkit-appearance: none; /* Remove iOS default styling */
    -moz-appearance: none;
    appearance: none;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #1a73e8;
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
}

/* Button groups */
.button-group {
    margin-top: 20px;
}

.button-group .btn {
    margin: 8px 0;
}

/* Progress bars */
.progress-card {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 20px;
    margin: 16px 0;
    border: 1px solid #e9ecef;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    font-weight: 600;
    color: #333;
}

.progress-bar {
    height: 8px;
    background: #e9ecef;
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #fbbf24 0%, #f59e0b 100%);
    border-radius: 4px;
    transition: width 0.3s ease;
    width: 0%;
}

/* Cards container */
.cards-container {
    margin: 20px 0;
}

.cards-container h3 {
    margin: 0 0 16px 0;
    font-size: 18px;
    font-weight: 600;
    color: #333;
}

/* Game cards optimized for mobile touch */
.card {
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 50%;
    padding: 15px;
    margin: 8px;
    text-align: center;
    font-weight: 600;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 140px;
    height: 140px;
    font-size: 14px; /* Increased from 13px for mobile readability */
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-direction: column;
    /* Mobile touch optimizations */
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    /* Ensure minimum touch target size */
    min-width: 44px;
    min-height: 44px;
}

.card .card-name {
    font-size: 16px; /* Increased from 14px for better mobile readability */
    margin-bottom: 5px;
    font-weight: 600;
}

.card .card-code {
    font-size: 14px; /* Increased from 12px for mobile readability */
    color: #666;
    font-weight: 500;
    background: rgba(0,0,0,0.1);
    padding: 2px 6px;
    border-radius: 10px;
    margin-top: 3px;
}

.card.revealed {
    background: #dcfce7;
    border-color: #16a34a;
    color: #15803d;
}

.card.wrong {
    background: #fef2f2;
    border-color: #dc2626;
    color: #dc2626;
}

/* Round summary */
.round-summary {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 16px;
    margin: 16px 0 0 0;
    font-size: 14px;
    line-height: 1.5;
}

/* Scores and stats */
.scores-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 12px;
    table-layout: auto;
    font-size: 14px; /* Increased from 12px for mobile readability */
}

.scores-table th,
.scores-table td {
    padding: 12px 8px; /* Increased padding for better touch targets */
    border-bottom: 1px solid #e9ecef;
    vertical-align: top;
}

.scores-table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #333;
    font-size: 16px; /* Increased from 14px for better mobile readability */
}

.scores-table td {
    color: #666;
    font-size: 16px; /* Increased from 14px for better mobile readability */
}

.scores-table th:nth-child(1),
.scores-table td:nth-child(1) {
    width: 40px;
    text-align: center;
}

.scores-table th:nth-child(2),
.scores-table td:nth-child(2) {
    width: 80px;
    text-align: left;
}

.scores-table th:nth-child(3),
.scores-table td:nth-child(3) {
    width: 50px;
    text-align: center;
}

.scores-table th:nth-child(4),
.scores-table td:nth-child(4) {
    width: auto;
    text-align: left;
    font-family: monospace;
    font-size: 11px;
    line-height: 1.2;
}

.scores-table .rank {
    text-align: center;
    font-weight: 600;
}

.scores-table .rank.first {
    color: #fbbf24;
}

.scores-table .rank.second {
    color: #9ca3af;
}

.scores-table .rank.third {
    color: #f59e0b;
}

.player-stat-item {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 15px;
    padding: 12px 0;
    border-bottom: 1px solid #e9ecef;
}

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

.player-stat-name {
    font-weight: 600;
    color: #333;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.player-stat-value {
    color: #666;
    font-size: 14px;
    text-align: right;
    min-width: 80px;
}

.no-scores-message {
    text-align: center;
    padding: 40px 20px;
    color: #666;
    font-style: italic;
}

/* Chip inventory */
.chip-inventory-item {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 15px;
    padding: 12px 16px;
    margin: 8px 0;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #e9ecef;
}

.chip-inventory-player {
    font-weight: 600;
    color: #333;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.chip-inventory-chips {
    display: flex;
    gap: 6px;
    justify-content: flex-end;
    min-width: 120px;
}

.chip-badge {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    color: white;
}

.chip-badge.points-3 {
    background: #059669;
}

.chip-badge.points-5 {
    background: #dc2626;
}

.chip-badge.points-7 {
    background: #7c3aed;
}

/* Bidding interface styles */
.high-bidder-display {
    text-align: center;
    padding: 20px;
    background: linear-gradient(135deg, #ffd700, #ffed4e);
    border-radius: 8px;
    margin: 10px 0;
}

.high-bid-amount {
    font-size: 24px;
    font-weight: bold;
    color: #8b4513;
    margin-bottom: 5px;
}

.high-bid-player {
    font-size: 16px;
    color: #654321;
}

.player-bid-row {
    display: grid;
    grid-template-columns: 1fr auto auto;
    align-items: center;
    gap: 15px;
    padding: 15px;
    margin: 10px 0;
    border: 2px solid #ddd;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.player-active {
    background: #f8f9ff;
    border-color: #4facfe;
}

.high-bidder-row {
    background: linear-gradient(135deg, #fff3cd, #ffeaa7) !important;
    border-color: #ffc107 !important;
    border-width: 3px !important;
}

.player-passed {
    background: #f5f5f5;
    border-color: #ccc;
    opacity: 0.7;
}

.player-info {
    display: flex;
    flex-direction: column;
    min-width: 0; /* Allow text truncation if needed */
}

.player-name {
    font-weight: bold;
    font-size: 14px;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.player-status {
    font-size: 12px;
    font-weight: normal;
    color: #666;
}

.current-bid-display {
    font-size: 12px;
    color: #666;
    text-align: center;
    min-width: 80px;
    padding: 4px 8px;
    background: #f8f9fa;
    border-radius: 4px;
}

.bid-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 120px;
    justify-content: flex-end;
}

.bid-input {
    width: 60px; /* Increased from 50px for better touch targets */
    padding: 10px; /* Increased from 6px for better touch targets */
    border: 1px solid #ddd;
    border-radius: 4px;
    text-align: center;
    font-size: 16px; /* Increased from 12px for mobile readability */
    min-height: 44px; /* Minimum touch target height */
    touch-action: manipulation;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.btn.small {
    padding: 10px 15px; /* Increased for better touch targets */
    font-size: 14px; /* Increased from 11px for mobile readability */
    min-width: 44px; /* Minimum touch target */
    min-height: 44px; /* Minimum touch target height */
    white-space: nowrap;
    touch-action: manipulation;
}

.passed-text {
    color: #999;
    font-style: italic;
    text-align: center;
    min-width: 120px;
}

/* Blocking phase styles */
.turn-indicator {
    background: #e3f2fd;
    padding: 10px;
    border-radius: 5px;
    margin: 10px 0;
    text-align: center;
    font-weight: bold;
    color: #1976d2;
}

.token-selected {
    background: #4caf50 !important;
    border-color: #2e7d32 !important;
    color: white !important;
    transform: scale(1.05);
}

.blocking-actions {
    text-align: center;
    margin-top: 15px;
}

.token-2 {
    border-color: #2196f3;
    color: #1976d2;
}

.token-4 {
    border-color: #ff9800;
    color: #f57c00;
}

.token-6 {
    border-color: #f44336;
    color: #d32f2f;
}

/* Card selection styles */
.card-selectable {
    cursor: pointer;
    transition: all 0.2s ease;
}

.card-selectable:hover {
    background: #e3f2fd;
    border-color: #2196f3;
    transform: translateY(-2px);
}

.card-selected {
    background: #4caf50 !important;
    border-color: #2e7d32 !important;
    color: white !important;
    transform: scale(1.02);
}

/* Owned cards styling */
.owned-card {
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%) !important;
    border: 2px solid #d69e2e !important;
    color: #744210 !important;
    font-weight: bold;
    position: relative;
}

.owned-card:hover {
    background: linear-gradient(135deg, #ffed4e 0%, #ffd700 100%) !important;
    border-color: #b7791f !important;
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
}

.owned-card::before {
    content: "👑";
    position: absolute;
    top: -5px;
    right: -5px;
    font-size: 16px;
    background: white;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #d69e2e;
}
}

.selection-info {
    text-align: center;
    padding: 10px;
    background: #f5f5f5;
    border-radius: 5px;
    margin-top: 10px;
    font-size: 14px;
    color: #666;
}

.btn.disabled {
    background: #ccc !important;
    border-color: #999 !important;
    color: #666 !important;
    cursor: not-allowed !important;
}

/* Ranking interface styles */
.ranking-instructions {
    text-align: center;
    padding: 10px;
    background: #e3f2fd;
    border-radius: 5px;
    margin: 10px 0;
    font-size: 14px;
    color: #1976d2;
}

.ranking-area {
    min-height: 200px;
    border: 2px dashed #ddd;
    border-radius: 8px;
    padding: 15px;
    background: #fafafa;
}

.ranking-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 15px;
    padding: 12px 15px;
    margin: 8px 0;
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    cursor: move;
    transition: all 0.2s ease;
    user-select: none;
}

.ranking-card:hover {
    border-color: #4caf50;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.ranking-card.dragging {
    opacity: 0.5;
    transform: rotate(5deg);
}

.rank-number {
    background: #4caf50;
    color: white;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-right: 15px;
    font-size: 14px;
}

.country-name {
    font-weight: bold;
    font-size: 16px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.drag-handle {
    color: #999;
    font-size: 18px;
    cursor: grab;
}

.drag-handle:active {
    cursor: grabbing;
}

.ranking-actions {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
}

/* Reveal phase styles */
.reveal-container {
    max-width: 500px;
    margin: 20px auto;
    background: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.reveal-container h4 {
    color: #2196f3;
    margin-bottom: 20px;
    text-align: center;
    font-size: 20px;
}

.reveal-card {
    display: flex;
    align-items: center;
    padding: 10px 12px;
    margin: 6px 0;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.reveal-card .rank-number {
    background: #666;
    color: white;
    border-radius: 50%;
    width: 25px;
    height: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-right: 12px;
    font-size: 12px;
}

.country-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.country-name {
    font-weight: bold;
    font-size: 14px;
}

.country-value {
    font-size: 12px;
    color: #666;
}

.status-icon {
    font-size: 18px;
    font-weight: bold;
    margin-left: 10px;
}

.reveal-card.correct {
    border-color: #4caf50;
    background: #e8f5e8;
}

.reveal-card.correct .rank-number {
    background: #4caf50;
}

.reveal-card.correct .status-icon {
    color: #4caf50;
}

.reveal-card.wrong {
    border-color: #f44336;
    background: #ffebee;
}

.reveal-card.wrong .rank-number {
    background: #f44336;
}

.reveal-card.wrong .status-icon {
    color: #f44336;
}

.reveal-card.hidden {
    opacity: 0.5;
    background: #f5f5f5;
}

.reveal-card.hidden .country-name,
.reveal-card.hidden .country-value {
    color: #999;
    font-style: italic;
}

.reveal-card.revealed {
    animation: revealCard 0.5s ease-in-out;
    will-change: transform, opacity;
}

@keyframes revealCard {
    from {
        opacity: 0;
        transform: translate3d(0, -10px, 0);
    }
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
}

@media (max-width: 768px) {
    .reveal-comparison {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

/* Game-specific styles */
.cards-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin: 15px 0;
}

.card-item {
    padding: 15px;
    border: 2px solid #ddd;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 140px;
    height: 140px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 14px; /* Increased from 13px for mobile readability */
    line-height: 1.2;
    font-weight: 600;
    flex-direction: column;
    /* Mobile touch optimizations */
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    /* Ensure minimum touch target size */
    min-width: 44px;
    min-height: 44px;
}

.card-name {
    font-size: 16px; /* Increased from 14px for better mobile readability */
    margin-bottom: 5px;
    font-weight: 600;
}

.card-code {
    font-size: 14px; /* Increased from 12px for mobile readability */
    color: #666;
    font-weight: 500;
    background: rgba(0,0,0,0.1);
    padding: 2px 6px;
    border-radius: 10px;
    margin-top: 3px;
}

.card-item:hover {
    border-color: #4facfe;
    background: #f8f9ff;
}

.card-available {
    background: #fff;
    border-color: #4facfe;
}

.card-blocked {
    background: #ffebee;
    border-color: #f44336;
    cursor: not-allowed;
    opacity: 0.7;
}

.tokens-grid {
    display: flex;
    gap: 10px;
    margin: 15px 0;
    justify-content: center;
}

.token-item {
    padding: 18px 24px; /* Increased padding for better touch targets */
    border: 2px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    font-weight: bold;
    min-width: 80px;
    min-height: 44px; /* Minimum touch target height */
    font-size: 16px; /* Ensure readable font size */
    /* Mobile touch optimizations */
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.token-item:hover {
    border-color: #4facfe;
    background: #f8f9ff;
}

.token-available {
    background: #fff;
    border-color: #4caf50;
    color: #2e7d32;
}

.token-used {
    background: #f5f5f5;
    border-color: #ccc;
    color: #999;
    cursor: not-allowed;
    opacity: 0.6;
}

/* Interim screen styles */
.round-summary-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    margin: 15px 0;
}

.summary-item {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid #e9ecef;
    line-height: 1.6;
}

.summary-item strong {
    color: #333;
    font-weight: 600;
}

.chip-2 {
    background: #059669;
    color: white;
}

.chip-4 {
    background: #dc2626;
    color: white;
}

.chip-6 {
    background: #7c3aed;
    color: white;
}

.chip-empty {
    background: #e5e7eb;
    color: #9ca3af;
    border: 1px solid #d1d5db;
}

/* Results display styles */
.final-ranking-display {
    background: white;
    border-radius: 8px;
    padding: 15px;
    margin: 10px 0;
}

.final-ranking-display h4 {
    color: #2196f3;
    margin-bottom: 15px;
    font-size: 16px;
    border-bottom: 2px solid #e9ecef;
    padding-bottom: 8px;
}

.ranking-item {
    display: flex;
    align-items: center;
    padding: 8px 10px;
    margin: 4px 0;
    border: 1px solid #e0e0e0;
    border-radius: 5px;
    background: #fafafa;
}

.ranking-item.correct-ranking {
    background: #e8f5e9;
    border-color: #4caf50;
}

.ranking-item .rank-number {
    background: #666;
    color: white;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-right: 12px;
    font-size: 11px;
}

.ranking-item.correct-ranking .rank-number {
    background: #4caf50;
}

.ranking-item .country-name {
    flex: 1;
    font-weight: bold;
    font-size: 14px;
    margin-right: 10px;
}

.ranking-item .country-value {
    font-size: 12px;
    color: #666;
    font-weight: normal;
}

/* Console output styles */
.console-output {
    background: #1a1a1a;
    color: #00ff00;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    height: 300px;
    overflow-y: auto;
    padding: 10px;
    border-radius: 5px;
    border: 1px solid #333;
    margin-top: 10px;
}

.console-message {
    margin: 2px 0;
    line-height: 1.4;
    word-wrap: break-word;
}

.console-message.error {
    color: #ff6b6b;
}

.console-message.warning {
    color: #ffd93d;
}

.console-message.success {
    color: #6bcf7f;
}

.console-message.info {
    color: #74c0fc;
}

.console-output::-webkit-scrollbar {
    width: 8px;
}

.console-output::-webkit-scrollbar-track {
    background: #2a2a2a;
}

.console-output::-webkit-scrollbar-thumb {
    background: #555;
    border-radius: 4px;
}

/* Rules Configuration Styles */
.rule-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 10px 0;
    padding: 8px;
    background: #f8f9fa;
    border-radius: 6px;
    border: 1px solid #e9ecef;
    flex-wrap: wrap;
}

.rule-item label {
    font-weight: 500;
    color: #333;
    min-width: 150px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.rule-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin: 0;
}

.rule-item input[type="number"] {
    padding: 4px 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 14px;
}

.rule-description {
    color: #666;
    font-size: 13px;
    font-style: italic;
    flex: 1;
    min-width: 200px;
}

#rulesPreview {
    font-family: 'Courier New', monospace;
    white-space: pre-wrap;
    line-height: 1.6;
}

.rule-category {
    margin: 20px 0;
}

.rule-category h3 {
    color: #2196f3;
    margin-bottom: 15px;
    font-size: 18px;
    border-bottom: 2px solid #e3f2fd;
    padding-bottom: 8px;
}

.preset-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 8px;
    margin: 15px 0;
}

.rules-section {
    margin: 25px 0;
    border: 1px solid #e1e5e9;
    border-radius: 8px;
    overflow: hidden;
}

.rules-section-header {
    background: #f8f9fa;
    padding: 12px 15px;
    border-bottom: 1px solid #e1e5e9;
    font-weight: 600;
    color: #333;
    display: flex;
    align-items: center;
    gap: 8px;
}

.rules-section-content {
    padding: 15px;
}

/* Responsive design for rules */
@media (max-width: 768px) {
    .rule-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .rule-item label {
        min-width: auto;
        width: 100%;
    }
    
    .rule-description {
        min-width: auto;
        width: 100%;
    }
}

.console-output::-webkit-scrollbar-thumb:hover {
    background: #777;
}

/* Player detailed statistics styles */
.player-detailed-stats {
    margin-top: 10px;
    padding: 12px;
    background: #f8f9fa;
    border-radius: 6px;
    border: 1px solid #e9ecef;
}

.player-stats-header {
    font-weight: 600;
    font-size: 14px;
    color: #333;
    margin-bottom: 8px;
    border-bottom: 1px solid #e9ecef;
    padding-bottom: 4px;
}

.player-stats-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    font-size: 12px;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2px 0;
}

.stat-row .stat-label {
    color: #666;
    font-weight: normal;
}

.stat-row .stat-value {
    color: #333;
    font-weight: 600;
}

.stat-row.success-rate .stat-value {
    color: #059669;
}

.stat-row.tokens-gained .stat-value {
    color: #059669;
}

.stat-row.tokens-lost .stat-value {
    color: #dc2626;
}

@media (max-width: 480px) {
    .player-stats-details {
        grid-template-columns: 1fr;
        gap: 4px;
    }
}

/* Mobile-first responsive design */
@media (max-width: 768px) {
    body {
        /* Enable smooth scrolling on mobile */
        -webkit-overflow-scrolling: touch;
        overflow-scrolling: touch;
    }
    
    .phone-container {
        margin: 10px auto;
        padding: 0 15px;
        max-width: none;
        width: 100%;
    }
    
    .phone-frame {
        border-radius: 0;
        box-shadow: none;
        min-height: 100vh;
    }
    
    .app-header {
        padding: 25px 20px;
    }
    
    .screen-content {
        padding: 25px 20px;
    }
    
    /* Improve touch targets for mobile */
    .action-card,
    .form-card,
    .info-card {
        padding: 25px;
        margin-bottom: 25px;
        border-radius: 12px;
    }
    
    .btn {
        padding: 18px;
        font-size: 18px;
        margin: 12px 0 0 0;
        border-radius: 12px;
    }
}

@media (max-width: 480px) {
    .phone-container {
        margin: 0;
        padding: 0;
    }
    
    .app-header {
        padding: 20px 15px;
    }
    
    .screen-content {
        padding: 20px 15px;
    }
    
    .app-title,
    .screen-title {
        font-size: 26px; /* Increased from 24px for better readability */
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    /* Adjust card sizes for small screens but keep readable */
    .card, .card-item {
        width: 140px; /* Kept larger for better touch targets */
        height: 140px;
        font-size: 14px; /* Increased from 12px for readability */
        padding: 15px;
    }
    
    .card-name {
        font-size: 16px; /* Increased from 11px for readability */
    }
    
    .card-code {
        font-size: 14px; /* Increased from 9px for readability */
    }
    
    .tokens-grid {
        flex-direction: column;
        align-items: center;
    }
    
    .console-output {
        height: 200px;
        font-size: 11px;
    }
    
    /* Make scores table even more compact on mobile */
    .scores-table {
        font-size: 10px;
    }
    
    .scores-table th,
    .scores-table td {
        padding: 4px 2px;
    }
    
    .scores-table th:nth-child(4),
    .scores-table td:nth-child(4) {
        font-size: 9px;
    }
    
    /* Statistics table - more compact for mobile */
    .stats-table {
        font-size: 10px;
        table-layout: fixed;
        width: 100%;
    }
    
    .stats-table th,
    .stats-table td {
        padding: 3px 2px;
        font-size: 9px !important;
        text-align: center;
        word-wrap: break-word;
        overflow: hidden;
        font-family: inherit !important;
    }
    
    /* Override all specific column rules for stats table */
    .scores-table.stats-table th:nth-child(1),
    .scores-table.stats-table td:nth-child(1),
    .scores-table.stats-table th:nth-child(2),
    .scores-table.stats-table td:nth-child(2),
    .scores-table.stats-table th:nth-child(3),
    .scores-table.stats-table td:nth-child(3),
    .scores-table.stats-table th:nth-child(4),
    .scores-table.stats-table td:nth-child(4),
    .scores-table.stats-table th:nth-child(5),
    .scores-table.stats-table td:nth-child(5),
    .scores-table.stats-table th:nth-child(6),
    .scores-table.stats-table td:nth-child(6),
    .scores-table.stats-table th:nth-child(7),
    .scores-table.stats-table td:nth-child(7) {
        font-size: 9px !important;
        font-family: inherit !important;
        text-align: center !important;
    }
    
    /* Column widths for stats table */
    .stats-table th:nth-child(1),
    .stats-table td:nth-child(1) {
        width: 18%;
        text-align: left;
    }
    
    .stats-table th:nth-child(2),
    .stats-table td:nth-child(2) {
        width: 12%;
    }
    
    .stats-table th:nth-child(3),
    .stats-table td:nth-child(3) {
        width: 12%;
    }
    
    .stats-table th:nth-child(4),
    .stats-table td:nth-child(4) {
        width: 12%;
        font-size: 9px !important;
        font-family: inherit !important;
        text-align: center !important;
    }
    
    .stats-table th:nth-child(5),
    .stats-table td:nth-child(5) {
        width: 14%;
    }
    
    .stats-table th:nth-child(6),
    .stats-table td:nth-child(6) {
        width: 16%;
    }
    
    .stats-table th:nth-child(7),
    .stats-table td:nth-child(7) {
        width: 16%;
    }
}

/* Ultra-compact for very small screens */
@media (max-width: 375px) {
    .stats-table {
        font-size: 8px;
    }
    
    .stats-table th,
    .stats-table td {
        padding: 2px 1px;
        font-size: 7px !important;
        font-family: inherit !important;
    }
    
    /* Ultra-compact override for all columns */
    .scores-table.stats-table th:nth-child(1),
    .scores-table.stats-table td:nth-child(1),
    .scores-table.stats-table th:nth-child(2),
    .scores-table.stats-table td:nth-child(2),
    .scores-table.stats-table th:nth-child(3),
    .scores-table.stats-table td:nth-child(3),
    .scores-table.stats-table th:nth-child(4),
    .scores-table.stats-table td:nth-child(4),
    .scores-table.stats-table th:nth-child(5),
    .scores-table.stats-table td:nth-child(5),
    .scores-table.stats-table th:nth-child(6),
    .scores-table.stats-table td:nth-child(6),
    .scores-table.stats-table th:nth-child(7),
    .scores-table.stats-table td:nth-child(7) {
        font-size: 7px !important;
        font-family: inherit !important;
        text-align: center !important;
    }
    
    /* Adjust column widths for ultra-small screens */
    .stats-table th:nth-child(1),
    .stats-table td:nth-child(1) {
        width: 20%;
    }
    
    .stats-table th:nth-child(2),
    .stats-table td:nth-child(2),
    .stats-table th:nth-child(3),
    .stats-table td:nth-child(3),
    .stats-table th:nth-child(4),
    .stats-table td:nth-child(4),
    .stats-table th:nth-child(5),
    .stats-table td:nth-child(5) {
        width: 11%;
        font-size: 7px !important;
        font-family: inherit !important;
        text-align: center !important;
    }
    
    .stats-table th:nth-child(6),
    .stats-table td:nth-child(6),
    .stats-table th:nth-child(7),
    .stats-table td:nth-child(7) {
        width: 18%;
    }
}

/* Category Selection Styles */
.category-challenge {
    background: #f8f9fa;
    border: 2px solid #007bff;
    border-radius: 8px;
    padding: 15px;
    margin: 10px 0 15px 0;
    font-size: 14px;
    color: #495057;
    text-align: center;
    font-weight: 500;
}

.category-challenge:empty {
    display: none;
}

/* Category Indicator Styles */
.category-indicator {
    display: flex;
    justify-content: center;
    margin-top: 10px;
}

.category-badge {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 600;
    color: white;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    backdrop-filter: blur(10px);
}

.category-badge.countries {
    background: rgba(34, 139, 34, 0.8);
    border-color: rgba(34, 139, 34, 0.9);
}

.category-badge.movies {
    background: rgba(220, 20, 60, 0.8);
    border-color: rgba(220, 20, 60, 0.9);
}

/* Owned Cards Styling */
.owned-cards-section {
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
}

.owned-cards-section h4 {
    margin: 0 0 10px 0;
    color: #495057;
    font-size: 16px;
}

.owned-cards-player {
    background: #fff;
    border: 1px solid #dee2e6;
    border-radius: 6px;
    padding: 10px;
    margin-bottom: 8px;
    font-size: 14px;
}

.owned-cards-player:last-child {
    margin-bottom: 0;
}

.owned-cards-player strong {
    color: #495057;
}

.owned-count {
    color: #6c757d;
    font-weight: normal;
    font-size: 13px;
}

/* Category-specific owned card badges */
.category-card-badge {
    display: inline-block;
    padding: 2px 6px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    margin-left: 4px;
    margin-right: 2px;
}

.category-card-badge.countries {
    background: rgba(34, 139, 34, 0.1);
    color: #228b22;
    border: 1px solid rgba(34, 139, 34, 0.3);
}

.category-card-badge.movies {
    background: rgba(220, 20, 60, 0.1);
    color: #dc143c;
    border: 1px solid rgba(220, 20, 60, 0.3);
}

/* Live Game Validation Styles */
.reveal-card.current-reveal {
    border-color: #2196f3;
    background: #e3f2fd;
    animation: revealCard 0.5s ease-in-out;
    will-change: transform, opacity;
}

.reveal-card.current-reveal .rank-number {
    background: #2196f3;
}

.validation-success {
    background: #e8f5e8;
    border: 2px solid #4caf50;
    border-radius: 8px;
    padding: 15px;
    margin-top: 15px;
    text-align: center;
}

.validation-success h3 {
    color: #4caf50;
    margin: 0 0 10px 0;
}

.validation-failure {
    background: #ffebee;
    border: 2px solid #f44336;
    border-radius: 8px;
    padding: 15px;
    margin-top: 15px;
    text-align: center;
}

.validation-failure h3 {
    color: #f44336;
    margin: 0 0 10px 0;
}

.live-validation-reveal h3 {
    color: #2196f3;
    margin-bottom: 15px;
}

.reveal-controls {
    text-align: center;
    margin: 20px 0;
}

.status-icon {
    font-size: 20px;
    font-weight: bold;
    margin-left: 10px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.reveal-card.correct .status-icon,
.reveal-card.wrong .status-icon {
    opacity: 1;
    animation: statusPop 0.5s ease-out;
    will-change: transform, opacity;
}

@keyframes statusPop {
    0% { transform: scale3d(0, 0, 1); opacity: 0; }
    50% { transform: scale3d(1.3, 1.3, 1); opacity: 1; }
    100% { transform: scale3d(1, 1, 1); opacity: 1; }
}

/* Exciting reveal animations */
@keyframes shake {
    0%, 100% { transform: translate3d(0, 0, 0); }
    10%, 30%, 50%, 70%, 90% { transform: translate3d(-5px, 0, 0); }
    20%, 40%, 60%, 80% { transform: translate3d(5px, 0, 0); }
}

@keyframes flipCard {
    0% { transform: rotateY(0deg) translateZ(0); }
    50% { transform: rotateY(180deg) translateZ(0); }
    100% { transform: rotateY(0deg) translateZ(0); }
}

@keyframes pulseButton {
    0% { transform: scale3d(1, 1, 1); }
    50% { transform: scale3d(1.1, 1.1, 1); box-shadow: 0 0 20px rgba(255, 107, 107, 0.6); }
    100% { transform: scale3d(1, 1, 1); }
}

@keyframes successFlash {
    0% { background-color: transparent; }
    50% { background-color: #4caf50; color: white; }
    100% { background-color: #e8f5e8; color: inherit; }
}

@keyframes errorFlash {
    0% { background-color: transparent; }
    50% { background-color: #f44336; color: white; }
    100% { background-color: #ffebee; color: inherit; }
}

.just-revealed {
    animation: flipCard 0.6s ease-in-out;
    will-change: transform;
}

.reveal-button-countdown {
    animation: pulseButton 0.5s ease-in-out;
    will-change: transform, box-shadow;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translate3d(0, 0, 0); }
    40% { transform: translate3d(0, -15px, 0); }
    60% { transform: translate3d(0, -7px, 0); }
}

@keyframes confetti-fall {
    0% { transform: translate3d(0, -50px, 0) rotate(0deg); opacity: 1; }
    100% { transform: translate3d(0, 100vh, 0) rotate(360deg); opacity: 0; }
}

/* Performance optimizations for animated elements */
.live-validation-reveal,
.reveal-container,
.ranking-list,
.reveal-card,
.fireworks-container,
.confetti {
    backface-visibility: hidden;
    transform: translateZ(0);
}

.reveal-card {
    will-change: auto; /* Only set to transform/opacity during animations */
}

.reveal-card.animating {
    will-change: transform, opacity, background-color;
}

/* Optimize button interactions */
.btn {
    transform: translateZ(0);
    backface-visibility: hidden;
}

.btn:hover,
.btn:active,
.btn.animating {
    will-change: transform, background-color, box-shadow;
}

/* Optimize status icons */
.status-icon {
    transform: translateZ(0);
    backface-visibility: hidden;
}

.status-icon.animating {
    will-change: transform, opacity;
}

/* Mobile landscape orientation optimizations */
@media (max-width: 768px) and (orientation: landscape) {
    .phone-frame {
        min-height: 100vh;
    }
    
    .app-header {
        padding: 15px 20px; /* Reduced padding for landscape */
    }
    
    .screen-content {
        padding: 15px 20px;
    }
    
    .app-title,
    .screen-title {
        font-size: 22px; /* Smaller for landscape */
    }
    
    .cards-grid {
        grid-template-columns: repeat(3, 1fr); /* More columns in landscape */
        gap: 8px;
    }
    
    .card, .card-item {
        width: 120px;
        height: 120px;
        font-size: 13px;
        padding: 12px;
    }
}

/* Very small screens (older iPhones, small Android) */
@media (max-width: 320px) {
    .app-title,
    .screen-title {
        font-size: 22px;
    }
    
    .btn {
        font-size: 16px;
        padding: 16px;
    }
    
    .card, .card-item {
        width: 120px;
        height: 120px;
        margin: 6px;
    }
    
    .action-card,
    .form-card,
    .info-card {
        padding: 20px;
        margin-bottom: 20px;
    }
}