body {
    margin: 0;
    overflow: hidden;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
    -webkit-tap-highlight-color: transparent;
}

/* Prevent horizontal scrolling on mobile */
html, body {
    overflow-x: hidden;
    max-width: 100vw;
}

*, *::before, *::after {
    box-sizing: border-box;
}

#canvas-container {
    position: relative;
    width: 100%;
    height: 100vh;
    touch-action: none;
    overscroll-behavior: none;
    /* Ensure canvas can receive mouse events */
    z-index: 1;
}

/* Keep the original UI hidden but in DOM */
#start-screen, .game-ui {
    display: none !important;
}

/* Force hide the original multiplayer HUD */
#multiplayer-hud {
    display: none !important;
}

/* Modern UI overlay */
#react-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    pointer-events: none;
}

#react-overlay > * {
    pointer-events: auto;
}

/* UI Components */
.ui-panel {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.12),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.05);
}

.btn-primary {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    color: white;
    font-weight: 600;
    padding: 1rem 2rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateY(0);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    outline: none;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    opacity: 0;
    transition: opacity 0.3s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.btn-primary span {
    position: relative;
    z-index: 1;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    color: white;
    font-weight: 600;
    padding: 1rem 2rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateY(0);
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.08);
    cursor: pointer;
    outline: none;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.12);
}

.btn-secondary:active {
    transform: translateY(0);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

/* Input styles */
.modern-input {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: all 0.3s;
    outline: none;
    box-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.05);
}

.modern-input:focus {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 
        0 3px 12px rgba(0, 0, 0, 0.12),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.1),
        0 0 0 3px rgba(255, 255, 255, 0.1);
}

/* Dropdown styles */
.modern-input option {
    background: #1a1a1a;
    color: white;
    padding: 0.5rem;
}

.modern-input::-webkit-scrollbar {
    width: 8px;
}

.modern-input::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

.modern-input::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
}

/* Mobile controls */
.mobile-control {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    box-shadow: 
        0 4px 16px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.1);
}

.mobile-control:active {
    transform: scale(0.95);
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.12),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.15);
}

/* Stamina bar */
.stamina-bar {
    width: 100%;
    height: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 0.25rem;
    overflow: hidden;
    position: relative;
}

.stamina-fill {
    height: 100%;
    transition: width 0.3s ease-out;
    background: linear-gradient(90deg, #10b981 0%, #34d399 100%);
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.5);
}

.stamina-fill.low {
    background: linear-gradient(90deg, #ef4444 0%, #f87171 100%);
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.5);
}

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

@keyframes slideUp {
    from { transform: translateY(30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes slideDown {
    from { transform: translateY(-30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes slideInRight {
    from { transform: translateX(30px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes slideInLeft {
    from { transform: translateX(-30px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes pulseGlow {
    0%, 100% { 
        box-shadow: 0 10px 25px -5px rgba(102, 126, 234, 0.4);
        transform: translateY(0);
    }
    50% { 
        box-shadow: 0 20px 40px -5px rgba(102, 126, 234, 0.6);
        transform: translateY(-2px);
    }
}

@keyframes floatAnimation {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-8px) rotate(2deg); }
}



@keyframes titleBounce {
    0%, 100% { 
        transform: translateY(0) rotate(-0.5deg);
    }
    50% { 
        transform: translateY(-5px) rotate(-0.5deg);
    }
}

@keyframes subtitleBounce {
    0%, 100% { 
        transform: translateY(0) rotate(0.5deg);
    }
    50% { 
        transform: translateY(-8px) rotate(0.5deg);
    }
}

/* Loading spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: #667eea;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Shimmer animation for skeleton loader */
@keyframes shimmer {
    0% {
        background-position: -200px 0;
    }
    100% {
        background-position: calc(200px + 100%) 0;
    }
}

/* Skeleton loader fade out */
.skeleton-fade-out {
    animation: fadeOut 0.3s ease-out forwards;
}

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

/* Hover scale utilities */
.hover\:scale-102:hover {
    transform: scale(1.02);
}

/* Mobile joystick override */
#joystick-zone {
    position: fixed !important;
    z-index: 100;
}

/* Safe area handling */
.safe-area-inset {
    padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

/* Mobile safe area improvements - ensure proper top spacing */
@media (max-width: 768px) {
    .safe-area-inset {
        /* Use max() to ensure minimum spacing even on devices without safe areas */
        padding-top: max(env(safe-area-inset-top, 0px), 8rem) !important;
        /* Add extra top padding for mobile browsers and status bars */
        padding-top: calc(max(env(safe-area-inset-top, 0px), 8rem) + 3rem) !important;
    }
    
    /* Ensure modal containers have proper spacing from viewport edges - very aggressive for Android */
    .fixed.inset-0 {
        padding-top: max(env(safe-area-inset-top, 0px), 10rem) !important;
        padding-bottom: max(env(safe-area-inset-bottom, 0px), 3rem) !important;
        /* Force minimum top spacing regardless of safe area */
        padding-top: 10rem !important;
    }
    
    /* Additional spacing for modal content to prevent overlap with browser UI */
    .fixed.inset-0 > div:first-child {
        margin-top: 3rem !important;
        margin-bottom: 3rem !important;
    }
    
    /* Force top spacing on the modal containers */
    .fixed.inset-0.bg-black {
        padding-top: 12rem !important;
    }
    
    /* Target the specific modal container structure */
    .fixed.inset-0.bg-black.bg-opacity-60 {
        padding-top: 14rem !important;
    }
    
    /* Extra protection for very small screens */
    @media (max-height: 700px) {
        .fixed.inset-0 {
            padding-top: 12rem !important;
        }
        
        .fixed.inset-0 > div:first-child {
            margin-top: 4rem !important;
        }
    }
    
    /* Android-specific fixes */
    @media (max-width: 768px) and (orientation: portrait) {
        .fixed.inset-0 {
            padding-top: 15rem !important;
        }
        
        .safe-area-inset {
            padding-top: 15rem !important;
        }
    }
}

/* Prevent zoom */
input, button, select, textarea {
    font-size: 16px;
    -webkit-appearance: none;
    border-radius: 0;
}

/* Leaderboard specific styles */
.leaderboard-table {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.leaderboard-entry {
    transition: all 0.2s ease-in-out;
}

.leaderboard-entry:hover {
    background: rgba(255, 255, 255, 0.08) !important;
    transform: translateY(-1px);
}

.rank-badge {
    min-width: 2rem;
    min-height: 2rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: bold;
    font-size: 0.875rem;
}

.rank-1 {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #000;
    box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
}

.rank-2 {
    background: linear-gradient(135deg, #C0C0C0, #A0A0A0);
    color: #000;
    box-shadow: 0 2px 8px rgba(192, 192, 192, 0.3);
}

.rank-3 {
    background: linear-gradient(135deg, #CD7F32, #B8860B);
    color: #fff;
    box-shadow: 0 2px 8px rgba(205, 127, 50, 0.3);
}

.rank-other {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Player identity setup styles */
.name-option {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.name-option::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.05);
    opacity: 0;
    transition: opacity 0.3s;
}

.name-option:hover::before {
    opacity: 1;
}

.name-option.selected::before {
    opacity: 0.3;
}

/* React overlay */
#react-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    pointer-events: none;
}

/* Ensure all child elements of react-overlay don't block scroll */
#react-overlay * {
    pointer-events: none;
}

/* Only allow pointer events on specific interactive elements */
#react-overlay button,
#react-overlay input,
#react-overlay select,
#react-overlay .btn-primary,
#react-overlay .btn-secondary,
#react-overlay .dog-card,
#react-overlay .mode-button,
#react-overlay .ui-panel,
#react-overlay .cursor-pointer {
    pointer-events: auto;
}

/* Ensure HUD components are visible but don't block scroll */
#react-overlay .game-hud {
    pointer-events: none;
}

/* Make sure start screen elements are clickable */
#react-overlay .fixed.inset-0 > div {
    pointer-events: auto;
}

#react-overlay .ui-panel {
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 8px 16px;
    color: white;
}

#react-overlay .stamina-bar {
    width: 128px;
    height: 8px;
    background: #374151;
    border-radius: 4px;
    overflow: hidden;
}

#react-overlay .stamina-fill {
    height: 100%;
    transition: all 0.3s ease-out;
}
/* Mobile-optimized title text - thinner stroke for better readability */
@media (max-width: 768px) {
    .mobile-title {
        -webkit-text-stroke: 1.5px #0A47A1 !important;
        text-stroke: 1.5px #0A47A1 !important;
    }
    
    .mobile-subtitle {
        -webkit-text-stroke: 1px #FF6B00 !important;
        text-stroke: 1px #FF6B00 !important;
    }
    
    /* Hide dog icons on mobile - too small to be useful */
    .mobile-dog-icon {
        display: none !important;
    }
    
    /* Ensure dog names are perfectly centered when icons are hidden */
    .mobile-dog-icon + p {
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        text-align: center !important;
        width: 100% !important;
        margin: 0 auto !important;
    }
    
    /* Fix button text centering on mobile */
    .btn-primary,
    .btn-secondary {
        justify-content: center !important;
        text-align: center !important;
    }
    
    /* Dog selection component mobile fixes */
    .dog-selection-container {
        max-width: calc(100vw - 1rem) !important;
        padding: 0.5rem !important;
        margin: 0 0.5rem !important;
        box-sizing: border-box !important;
    }
    
    /* Ensure the dog selection title doesn't overflow */
    .dog-selection-container h3 {
        font-size: 1rem !important;
        margin-bottom: 0.5rem !important;
    }
    
    /* Make dog cards stack properly on mobile */
    .dog-selection-container .grid {
        grid-template-columns: 1fr !important;
        gap: 0.375rem !important;
    }
    
    /* Ensure dog cards fit within viewport and are more compact */
    .dog-selection-container .grid > div {
        max-width: 100% !important;
        padding: 0.375rem !important;
    }
    
    /* Hide dog emojis on mobile to save space */
    .dog-selection-container .grid > div > div:first-child {
        display: none !important;
    }
    
    /* Make dog names more prominent when emojis are hidden */
    .dog-selection-container .grid > div h4 {
        font-size: 0.925rem !important;
        margin-bottom: 0.125rem !important;
    }
    
    /* Compact breed text */
    .dog-selection-container .grid > div p:nth-child(3) {
        font-size: 0.65rem !important;
        margin-bottom: 0.375rem !important;
    }
    
    /* Compact description */
    .dog-selection-container .grid > div p:nth-child(4) {
        font-size: 0.65rem !important;
        margin-bottom: 0.5rem !important;
    }
    
    /* Make stats section more compact */
    .dog-selection-container .grid > div > div:last-child {
        padding-top: 0.375rem !important;
        margin-top: 0.375rem !important;
    }
    
    /* Compact stats spacing */
    .dog-selection-container .grid > div > div:last-child > div {
        margin-bottom: 0.125rem !important;
    }
    
    .dog-selection-container .grid > div > div:last-child > div:last-child {
        margin-bottom: 0 !important;
    }
    
    /* Ensure buttons don't overflow viewport */
    .dog-selection-container + div {
        max-width: calc(100vw - 2rem) !important;
        margin: 0 1rem !important;
        box-sizing: border-box !important;
    }
    
    /* Make sure the button container doesn't cause horizontal scroll */
    .dog-selection-container + div .flex {
        flex-wrap: wrap !important;
        gap: 0.75rem !important;
    }
    
    /* Ensure buttons are fully visible and accessible */
    .dog-selection-container + div .btn-primary,
    .dog-selection-container + div .btn-secondary {
        min-width: 0 !important;
        flex: 1 !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        text-align: center !important;
        padding: 0.75rem 0.5rem !important;
        font-size: 0.875rem !important;
        line-height: 1.2 !important;
    }
    
    /* Dog selection wrapper mobile constraints */
    .dog-selection-wrapper {
        max-width: calc(100vw - 2rem) !important;
        width: calc(100vw - 2rem) !important;
        margin: 0 auto !important;
        padding: 0 !important;
    }
    
    /* Dog selection buttons wrapper */
    .dog-selection-buttons {
        max-width: calc(100vw - 1rem) !important;
        margin: 0.375rem auto 0 auto !important;
        padding: 0 0.5rem !important;
        box-sizing: border-box !important;
        gap: 0.375rem !important;
    }
    
    /* Stack buttons vertically on very small screens */
    @media (max-width: 480px) {
        .dog-selection-buttons {
            flex-direction: column !important;
        }
        
        .dog-selection-container + div .btn-primary,
        .dog-selection-container + div .btn-secondary {
            width: 100% !important;
            flex: none !important;
        }
    }
    
    /* Prevent horizontal overflow on the entire screen */
    .fixed.inset-0 {
        padding: 0.5rem !important;
        box-sizing: border-box !important;
        overflow-x: hidden !important;
    }
    
    /* Ensure the start screen content doesn't exceed viewport */
    .max-w-4xl {
        max-width: calc(100vw - 1rem) !important;
        width: calc(100vw - 1rem) !important;
    }
    
    /* Leaderboard mobile styles */
    .leaderboard-table {
        font-size: 0.875rem !important;
    }
    
    .leaderboard-entry {
        padding: 0.75rem !important;
        margin-bottom: 0.5rem !important;
    }
    
    .rank-badge {
        min-width: 1.5rem !important;
        min-height: 1.5rem !important;
        font-size: 0.75rem !important;
    }
    
    /* Hide discriminator on mobile for space */
    .leaderboard-entry .text-xs.text-opacity-50 {
        display: none !important;
    }
    
    /* Make leaderboard tabs scrollable on mobile */
    .leaderboard-tabs {
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch !important;
        scrollbar-width: none !important;
        -ms-overflow-style: none !important;
    }
    
    .leaderboard-tabs::-webkit-scrollbar {
        display: none !important;
    }
    
    /* Player identity setup mobile adjustments */
    .name-option {
        padding: 1rem !important;
        margin-bottom: 0.75rem !important;
    }
    
    .name-option input {
        font-size: 1rem !important;
        padding: 0.75rem !important;
    }
}

/* Mobile zoom slider styles */
@media (max-width: 768px) {
    input[type="range"] {
        -webkit-appearance: none;
        appearance: none;
        background: transparent;
        cursor: pointer;
        height: 30px;
    }
    
    input[type="range"]::-webkit-slider-track {
        background: rgba(255, 255, 255, 0.3);
        height: 8px;
        border-radius: 4px;
        border: 1px solid rgba(255, 255, 255, 0.2);
    }
    
    input[type="range"]::-webkit-slider-thumb {
        -webkit-appearance: none;
        appearance: none;
        background: white;
        height: 24px;
        width: 24px;
        border-radius: 50%;
        margin-top: -8px;
        box-shadow: 0 2px 6px rgba(0,0,0,0.4);
        border: 2px solid rgba(0, 170, 255, 0.5);
    }
    
    input[type="range"]::-moz-range-track {
        background: rgba(255, 255, 255, 0.3);
        height: 8px;
        border-radius: 4px;
        border: 1px solid rgba(255, 255, 255, 0.2);
    }
    
    input[type="range"]::-moz-range-thumb {
        background: white;
        height: 24px;
        width: 24px;
        border-radius: 50%;
        border: 2px solid rgba(0, 170, 255, 0.5);
        box-shadow: 0 2px 6px rgba(0,0,0,0.4);
    }
}