body {
    margin: 0;
    padding-top: 70px; /* Space for fixed menu bar */
    padding-left: 20px;
    padding-right: 20px;
    padding-bottom: 20px;
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
}

.container {
    display: grid;
    grid-template-columns: minmax(0, 300px) 1fr minmax(0, 300px);
    grid-template-areas: 
        "storage storage storage"
        "team-stats field player-info";
    gap: 20px;
    max-width: 1800px;
    margin: 0 auto;
    padding: 10px;
}

@media (max-width: 1400px) {
    .container {
        grid-template-columns: 1fr;
        grid-template-areas: 
            "storage"
            "field"
            "team-stats"
            "player-info";
    }
}

.field-container {
    background: white;
    padding: 10px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    user-select: none;
    /* Enhanced touch-specific improvements for iPad */
    touch-action: none;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    grid-area: field;
    
    /* iPad-specific optimizations */
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-overflow-scrolling: touch;
}

.field-container svg {
    overflow: visible;
    /* Enhanced touch interaction for iPad */
    touch-action: none;
    max-width: 100%;
    height: auto;
    
    /* Improve rendering performance on iPad */
    will-change: transform;
    transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

/* Enhanced touch targets and interactions */
@media (pointer: coarse) {
    .draggable-element {
        cursor: grab;
        /* Larger touch target for iPad */
        stroke-width: 3;
        filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
    }
    
    .draggable-element.dragging {
        cursor: grabbing;
        filter: drop-shadow(0 4px 8px rgba(0,0,0,0.3));
        transform: scale(1.05);
        transition: transform 0.1s ease-out;
    }
    
    /* Enhanced feedback for selected elements */
    .selectable-element {
        cursor: pointer;
        stroke-width: 2;
        transition: all 0.2s ease;
    }
    
    .selectable-element:hover, 
    .selectable-element:active {
        stroke-width: 3;
        filter: drop-shadow(0 2px 6px rgba(255, 215, 0, 0.5));
    }
}

/* iPad-specific enhancements */
@media (max-width: 1024px) and (orientation: landscape) {
    .field-container {
        padding: 15px;
    }
    
    .draggable-element {
        r: 14; /* Slightly larger touch targets on iPad */
    }
    
    /* Enhanced visual feedback for iPad */
    .draggable-element:active {
        transform: scale(1.1);
        filter: drop-shadow(0 6px 12px rgba(0,0,0,0.4));
    }
}

@media (max-width: 768px) and (orientation: portrait) {
    .field-container {
        padding: 8px;
    }
    
    /* Larger touch targets on smaller screens */
    .draggable-element {
        r: 15;
        stroke-width: 2;
    }
}

.player-info {
    background: white;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    grid-area: player-info;
}

.player-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 10px;
    margin-top: 10px;
}

.player-item {
    background: #f8f9fa;
    padding: 10px;
    border-radius: 5px;
    border-left: 4px solid #007bff;
}

.player-item.team-blue {
    border-left-color: #007bff;
}

.player-item.team-red {
    border-left-color: #dc3545;
}

h1, h2 {
    color: #333;
    text-align: center;
}

.toggle-button {
    background: #007bff;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    margin-bottom: 20px;
    transition: background-color 0.3s;
}

.toggle-button:hover {
    background: #0056b3;
}

.toggle-button.active {
    background: #28a745;
}

.toggle-button.voronoi-button {
    background: #6f42c1;
    margin-left: 10px;
}

.toggle-button.voronoi-button:hover {
    background: #5a359a;
}

.toggle-button.voronoi-button.active {
    background: #e83e8c;
}

.toggle-button.team-stats-button {
    background: #20c997;
}

.toggle-button.team-stats-button:hover {
    background: #1ba085;
}

.toggle-button.team-stats-button.active {
    background: #fd7e14;
}

.toggle-button.player-info-button {
    background: #6c757d;
}

.toggle-button.player-info-button:hover {
    background: #545b62;
}

.toggle-button.player-info-button.active {
    background: #17a2b8;
}

.toggle-button.shadow-button {
    background: #8b0000;
}

.toggle-button.shadow-button.active {
    background: #dc3545;
}

.toggle-button.offside-button {
    background: #ff6b35;
}

.toggle-button.offside-button:hover {
    background: #e55a2b;
}

.toggle-button.offside-button.active {
    background: #ff4500;
}

.toggle-button.pass-button {
    background: #28a745;
}

.toggle-button.pass-button:hover {
    background: #218838;
}

.toggle-button.pass-button.active {
    background: #1e7e34;
}

.toggle-button.storage-toggle-button {
    background: #6f42c1;
    display: flex;
    align-items: center;
    gap: 5px;
}

.toggle-button.storage-toggle-button:hover {
    background: #5a359a;
}

.toggle-button.storage-toggle-button.active {
    background: #e83e8c;
}

.hamburger-icon {
    font-size: 18px;
    font-weight: bold;
}

.team-info {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    height: fit-content;
    grid-area: team-stats;
}

.team-info h2 {
    margin-top: 0;
    color: #333;
    border-bottom: 2px solid #007bff;
    padding-bottom: 10px;
    text-align: center;
}

.team-stat {
    margin-bottom: 20px;
    padding: 15px;
    border-radius: 8px;
    border: 2px solid;
}

.team-stat.team-blue {
    background: rgba(0, 100, 255, 0.1);
    border-color: #0064ff;
}

.team-stat.team-red {
    background: rgba(255, 0, 0, 0.1);
    border-color: #ff0000;
}

.team-stat h3 {
    margin: 0 0 10px 0;
    font-size: 18px;
    text-align: center;
}

.stat-item {
    margin: 8px 0;
    font-size: 14px;
    display: flex;
    justify-content: space-between;
}

.stat-value {
    font-weight: bold;
    font-size: 16px;
}

.buttons-container {
    grid-column: 1 / -1;
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

/* Enhanced cursor styles for drag & drop with iPad optimizations */
.draggable-element {
    cursor: grab;
    transition: all 0.2s ease;
}

.draggable-element:active {
    cursor: grabbing;
}

.selectable-element {
    cursor: pointer;
    transition: all 0.2s ease;
}

.non-selectable {
    cursor: not-allowed;
    opacity: 0.7;
}

.dragging {
    cursor: grabbing !important;
    /* Enhanced visual feedback during drag */
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.3)) !important;
    transform: scale(1.05) !important;
    z-index: 100;
}

/* iPad-specific touch enhancements */
@media (hover: none) and (pointer: coarse) {
    .draggable-element {
        /* Remove cursor styles on touch devices */
        cursor: default;
        /* Enhanced touch feedback */
        transition: all 0.15s ease-out;
    }
    
    .draggable-element:active {
        cursor: default;
        transform: scale(1.08);
        filter: drop-shadow(0 6px 12px rgba(0,0,0,0.4));
    }
    
    .selectable-element {
        cursor: default;
    }
    
    .selectable-element:active {
        transform: scale(1.05);
        filter: drop-shadow(0 3px 6px rgba(255, 215, 0, 0.6));
    }
    
    .non-selectable {
        cursor: default;
    }
    
    .dragging {
        cursor: default !important;
    }
}

/* Performance optimizations for smooth dragging */
.draggable-element,
.selectable-element {
    will-change: transform, filter;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

/* Storage Controls */
.storage-container {
    grid-area: storage;
    background: white;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.storage-container h3 {
    margin: 0 0 15px 0;
    color: #333;
    text-align: center;
    font-size: 18px;
    border-bottom: 2px solid #007bff;
    padding-bottom: 8px;
}

.storage-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
}

.storage-slots {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
}

.storage-button {
    padding: 8px 12px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
    min-width: 80px;
}

.save-button {
    background: #28a745;
    color: white;
}

.save-button:hover {
    background: #218838;
    transform: translateY(-1px);
}

.load-button {
    background: #007bff;
    color: white;
}

.load-button:hover:not(:disabled) {
    background: #0056b3;
    transform: translateY(-1px);
}

.load-button:disabled {
    background: #6c757d;
    cursor: not-allowed;
    opacity: 0.6;
}

.clear-button {
    background: #dc3545;
    color: white;
    margin-top: 10px;
    padding: 10px 20px;
}

.clear-button:hover {
    background: #c82333;
    transform: translateY(-1px);
}

.storage-info {
    margin-top: 15px;
    padding: 10px;
    background: #f8f9fa;
    border-radius: 5px;
    border-left: 4px solid #17a2b8;
}

.storage-info small {
    color: #666;
    font-weight: bold;
}

.storage-info ul {
    margin: 5px 0 0 0;
    padding-left: 20px;
}

.storage-info li {
    font-size: 12px;
    color: #555;
    margin: 2px 0;
}

/* Black Menu Bar Styles */
.top-menu-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    border-bottom: 2px solid #333;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 1000;
    user-select: none;
}

.menu-left {
    flex: 1;
    display: flex;
    align-items: center;
}

.app-title {
    color: #fff;
    font-size: 20px;
    font-weight: bold;
    margin: 0;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.menu-center {
    flex: 2;
    display: flex;
    justify-content: center;
    gap: 8px;
}

.menu-right {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

.menu-button {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: #fff;
    padding: 8px 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 60px;
    font-size: 12px;
    backdrop-filter: blur(10px);
}

.menu-button:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.menu-button.active {
    background: linear-gradient(135deg, #4CAF50 0%, #45a049 100%);
    border-color: #4CAF50;
    box-shadow: 0 0 10px rgba(76, 175, 80, 0.5);
}

.menu-button.info-toggle.active {
    background: linear-gradient(135deg, #2196F3 0%, #1976D2 100%);
    border-color: #2196F3;
    box-shadow: 0 0 10px rgba(33, 150, 243, 0.5);
}

.menu-button.storage-toggle.active {
    background: linear-gradient(135deg, #9C27B0 0%, #7B1FA2 100%);
    border-color: #9C27B0;
    box-shadow: 0 0 10px rgba(156, 39, 176, 0.5);
}

.menu-icon {
    font-size: 18px;
    margin-bottom: 2px;
}

.menu-text {
    font-size: 10px;
    font-weight: 500;
    white-space: nowrap;
}

/* Responsive menu for tablets */
@media (max-width: 1024px) {
    .top-menu-bar {
        padding: 0 10px;
    }
    
    .menu-button {
        min-width: 50px;
        padding: 6px 8px;
    }
    
    .menu-icon {
        font-size: 16px;
    }
    
    .menu-text {
        font-size: 9px;
    }
    
    .app-title {
        font-size: 18px;
    }
}

@media (max-width: 768px) {
    .menu-center {
        gap: 4px;
    }
    
    .menu-right {
        gap: 4px;
    }
    
    .menu-button {
        min-width: 45px;
        padding: 4px 6px;
    }
    
    .menu-text {
        font-size: 8px;
    }
    
    .app-title {
        font-size: 16px;
    }
}

/* PWA and Tablet Optimizations */
html {
    height: 100vh;
    overflow-x: hidden;
}

body {
    margin: 0;
    padding-top: 70px;
    padding-left: 20px;
    padding-right: 20px;
    padding-bottom: 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    background-color: #f0f0f0;
    min-height: calc(100vh - 70px);
    -webkit-overflow-scrolling: touch;
}

/* Hide scrollbars on tablets/mobile for cleaner look */
@media (pointer: coarse) {
    body::-webkit-scrollbar {
        width: 0px;
        background: transparent;
    }
    
    .field-container {
        border-radius: 15px;
        box-shadow: 0 8px 20px rgba(0,0,0,0.15);
    }
    
    .team-info, .player-info {
        border-radius: 15px;
        box-shadow: 0 6px 15px rgba(0,0,0,0.1);
    }
}

/* Tablet landscape optimization */
@media (min-width: 768px) and (max-width: 1024px) and (orientation: landscape) {
    .container {
        grid-template-columns: minmax(0, 280px) 1fr minmax(0, 280px);
        gap: 15px;
        padding: 5px;
    }
    
    body {
        padding-left: 10px;
        padding-right: 10px;
    }
}

/* Tablet portrait optimization */
@media (min-width: 768px) and (max-width: 1024px) and (orientation: portrait) {
    .container {
        grid-template-columns: 1fr;
        grid-template-areas: 
            "storage"
            "field"
            "team-stats"
            "player-info";
        gap: 10px;
        padding: 5px;
    }
    
    .field-container svg {
        width: 100%;
        height: auto;
    }
}

/* iOS-specific optimizations */
@supports (-webkit-touch-callout: none) {
    /* iOS Safari specific styles */
    svg {
        -webkit-touch-callout: none;
        -webkit-user-select: none;
        user-select: none;
        -webkit-tap-highlight-color: transparent;
        touch-action: none;
    }
    
    .field-container {
        -webkit-overflow-scrolling: auto;
        overscroll-behavior: contain;
    }
    
    .draggable-element,
    .selectable-element {
        -webkit-touch-callout: none;
        -webkit-user-select: none;
        user-select: none;
        -webkit-tap-highlight-color: transparent;
        touch-action: none;
    }
    
    /* Prevent iOS zoom on double tap */
    .field-container svg * {
        -webkit-touch-callout: none;
        -webkit-user-select: none;
        user-select: none;
        -webkit-tap-highlight-color: transparent;
    }
}

/* Additional iOS touch improvements */
@media screen and (-webkit-min-device-pixel-ratio: 2) {
    .draggable-element {
        stroke-width: 2;
    }
    
    .draggable-element.dragging {
        stroke-width: 3;
        transform: scale(1.08);
    }
}