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

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: fixed;
    overscroll-behavior: none;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #0a0a15;
    margin: 0;
    padding: 0;
    -webkit-user-select: none;
    user-select: none;
    touch-action: none;
    display: flex;
    justify-content: center;
    align-items: center;
}

#game-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('images/island_background.png') center center / cover no-repeat;
    overflow: hidden;
    transition: background-image 0.3s ease-in-out;
    /* Support for devices with notches */
    padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

/* ✅ WEBVIEW FIX: Enhanced canvas styles */
#game-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
    cursor: crosshair;
    display: block !important;
    /* ✅ WEBVIEW FIX: Touch optimization */
    touch-action: none;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
    /* ✅ WEBVIEW FIX: Prevent canvas disappearing */
    visibility: visible !important;
    opacity: 1 !important;
    /* ✅ WEBVIEW FIX: Hardware acceleration */
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
    will-change: transform;
    /* ✅ WEBVIEW FIX: Prevent webkit rendering issues */
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-perspective: 1000;
    perspective: 1000;
}

.screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(5px);
    z-index: 10;
    padding: 10px;
    overflow-y: auto;
}

.screen h1 {
    font-size: 3rem;
    color: #fff;
    margin-bottom: 0.1rem;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
}

.subtitle {
    font-size: 1.2rem;
    color: #a8dadc;
    margin-bottom: 2rem;
}

.rules {
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 2rem;
}

.rules p {
    font-size: 1.1rem;
    color: #fff;
    margin: 0.5rem 0;
}

.game-button {
    padding: 1rem 2rem;
    font-size: 1.2rem;
    font-weight: bold;
    color: #fff;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 5px 20px rgba(245, 87, 108, 0.4);
}

.game-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(245, 87, 108, 0.6);
}

.game-button:active {
    transform: translateY(0);
}

#game-hud {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1rem;
    z-index: 5;
    pointer-events: none;
}

.hud-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.score-display,
.level-display {
    background: rgba(0, 0, 0, 0.3);
    padding: 0.5rem 1.5rem;
    border-radius: 10px;
    backdrop-filter: blur(5px);
}

.score-display .label,
.level-display .label {
    display: block;
    font-size: 0.8rem;
    color: #a8dadc;
    margin-bottom: 0.2rem;
}

#score,
#level {
    display: block;
    font-size: 1.8rem;
    font-weight: bold;
    color: #fff;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.lives-display {
    background: rgba(0, 0, 0, 0.3);
    padding: 0.5rem 1rem;
    border-radius: 10px;
    backdrop-filter: blur(5px);
    display: inline-block;
}

.lives-display .label {
    color: #a8dadc;
    font-size: 0.9rem;
    margin-right: 0.5rem;
}

#lives {
    font-size: 1.8rem;
    letter-spacing: 0.2rem;
}

.final-score {
    margin: 0.3rem 0 0.3rem 0;
    background: rgba(255, 215, 0, 0.1);
    border: 3px solid #ffd700;
    border-radius: 15px;
    padding: 1rem 1.5rem;
    text-align: center;
    box-shadow: 0 0 30px rgba(255, 215, 0, 0.4),
                inset 0 0 20px rgba(255, 215, 0, 0.15);
}

.final-score .label {
    font-size: 1.2rem;
    color: #a8dadc;
    margin-bottom: 0.5rem;
}

.score-value {
    font-size: 4rem;
    font-weight: bold;
    color: #ffcc00;
    text-shadow: 0 0 20px rgba(255, 204, 0, 0.8);
    margin: 0;
    letter-spacing: 0.2rem;
}

.stats {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 10px;
    margin-bottom: 0.3rem;
}

.stats p {
    font-size: 1.1rem;
    color: #fff;
    margin: 0.3rem 0;
}

.stats span {
    color: #ffcc00;
    font-weight: bold;
    text-shadow: 0 0 10px rgba(255, 204, 0, 0.6);
}

.hidden {
    display: none !important;
}

.milestone-screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: transparent;
    z-index: 15;
    animation: fadeIn 0.3s ease-in;
}

.milestone-content {
    text-align: center !important;
    background: rgba(0, 0, 0, 0.3) !important;
    padding: 2rem 3rem !important;
    border-radius: 15px !important;
    backdrop-filter: blur(5px) !important;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3) !important;
    border: none !important;
}

#milestone-text {
    font-size: 1.8rem !important;
    font-weight: bold !important;
    color: #fff !important;
    margin-bottom: 1rem !important;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5) !important;
    animation: pulse 1s ease-in-out infinite !important;
}

#milestone-subtext {
    font-size: 1.1rem !important;
    color: #fff !important;
    line-height: 1.4 !important;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.3) !important;
}

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

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .screen h1 {
        font-size: 2rem;
    }
    
    .rules p {
        font-size: 0.9rem;
    }
    
    .game-button {
        padding: 0.8rem 2rem;
        font-size: 1.2rem;
    }
    
    #score,
    #level {
        font-size: 1.5rem;
    }
    
    .score-value {
        font-size: 3rem;
    }
}

@media (max-width: 480px) {
    .screen h1 {
        font-size: 1.5rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .rules {
        padding: 1rem;
    }
    
    .rules p {
        font-size: 0.8rem;
        margin: 0.3rem 0;
    }
}

/* ===== LEADERBOARD STYLES ===== */
.leaderboard-section {
    margin: 0.2rem 0 0.3rem 0;
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(245, 87, 108, 0.3);
}

.username-input {
    margin-bottom: 1.5rem;
}

.username-input input {
    width: 100%;
    max-width: 300px;
    padding: 1rem 1.5rem;
    font-size: 1.1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 25px;
    color: #fff;
    text-align: center;
    backdrop-filter: blur(5px);
    transition: all 0.3s ease;
}

.username-input input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.username-input input:focus {
    outline: none;
    border-color: #f5576c;
    box-shadow: 0 0 20px rgba(245, 87, 108, 0.4);
    background: rgba(255, 255, 255, 0.15);
}

.button-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.button-group-vertical {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    align-items: center;
    width: 100%;
}

.button-group-vertical .game-button {
    width: 400px;
    max-width: 400px;
    min-width: 400px;
    white-space: nowrap;
}

/* Horizontal Button Group */
.button-group-horizontal {
    display: flex;
    flex-direction: row;
    gap: 0.5rem;
    align-items: center;
    justify-content: center;
    width: 100%;
    margin-bottom: 0.5rem;
}

.button-group-single {
    display: flex;
    justify-content: center;
    width: 100%;
}

/* Compact Buttons */
.compact-btn {
    padding: 0.6rem 1.2rem !important;
    font-size: 1rem !important;
    min-width: 80px !important;
    width: auto !important;
    max-width: none !important;
}

.leaderboard-btn {
    background: linear-gradient(135deg, #4ade80 0%, #22c55e 100%);
    box-shadow: 0 5px 20px rgba(74, 222, 128, 0.4);
}

.leaderboard-btn:hover {
    box-shadow: 0 8px 30px rgba(74, 222, 128, 0.6);
}

.leaderboard-btn:disabled {
    background: linear-gradient(135deg, #6b7280 0%, #4b5563 100%);
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none;
}

.secondary-btn {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    box-shadow: 0 5px 20px rgba(59, 130, 246, 0.4);
}

.secondary-btn:hover {
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.6);
}

.share-btn {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    box-shadow: 0 5px 20px rgba(139, 92, 246, 0.4);
}

.share-btn:hover {
    box-shadow: 0 8px 30px rgba(139, 92, 246, 0.6);
}

.restart-btn {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    box-shadow: 0 5px 20px rgba(245, 87, 108, 0.4);
}

.restart-btn:hover {
    box-shadow: 0 8px 30px rgba(245, 87, 108, 0.6);
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 20;
    animation: fadeIn 0.3s ease-in;
}

.modal-content {
    background: linear-gradient(135deg, rgba(10, 10, 21, 0.95) 0%, rgba(30, 30, 50, 0.95) 100%);
    border: 3px solid #f5576c;
    border-radius: 20px;
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 0 50px rgba(245, 87, 108, 0.6);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid rgba(245, 87, 108, 0.3);
    padding-bottom: 1rem;
}

.modal-header h2 {
    color: #fff;
    font-size: 2rem;
    margin: 0;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
}

.close-btn {
    background: none;
    border: none;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.close-btn:hover {
    background: rgba(245, 87, 108, 0.2);
    transform: rotate(90deg);
}

.leaderboard-list {
    color: #fff;
}

.leaderboard-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    margin: 0.5rem 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    border-left: 4px solid #f5576c;
    transition: all 0.3s ease;
}

.leaderboard-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(5px);
}

.leaderboard-item:nth-child(1) {
    border-left-color: #ffd700;
    background: rgba(255, 215, 0, 0.1);
}

.leaderboard-item:nth-child(2) {
    border-left-color: #c0c0c0;
    background: rgba(192, 192, 192, 0.1);
}

.leaderboard-item:nth-child(3) {
    border-left-color: #cd7f32;
    background: rgba(205, 127, 50, 0.1);
}

/* Mobile Responsive for Leaderboard */
@media (max-width: 768px) {
    .screen {
        padding: 3px;
    }
    
    .leaderboard-section {
        padding: 0.6rem;
        margin: 0.1rem 0 0.2rem 0;
    }
    
    .button-group {
        flex-direction: column;
        align-items: center;
    }
    
    .button-group-vertical {
        gap: 1rem;
    }
    
    .button-group-vertical .game-button {
        width: 350px;
        max-width: 350px;
        min-width: 350px;
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
        white-space: nowrap;
    }
    
    .final-score {
        margin: 0.2rem 0 0.2rem 0;
        padding: 0.6rem 1rem;
    }
    
    .stats {
        margin-bottom: 0.2rem;
        padding: 0.4rem 0.6rem;
    }
    
    .modal-content {
        padding: 1.5rem;
        margin: 1rem;
    }
    
    .modal-header h2 {
        font-size: 1.5rem;
    }
    
    .leaderboard-item {
        padding: 0.8rem 1rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .screen {
        padding: 2px;
    }
    
    .screen h1 {
        font-size: 2.2rem;
        margin-bottom: 0.05rem;
    }
    
    .username-input input {
        font-size: 1rem;
        padding: 0.8rem 1.2rem;
    }
    
    .leaderboard-section {
        padding: 0.5rem;
        margin: 0.05rem 0 0.1rem 0;
    }
    
    .button-group-vertical {
        gap: 1.2rem;
    }
    
    .button-group-vertical .game-button {
        width: 320px;
        max-width: 320px;
        min-width: 320px;
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
        white-space: nowrap;
    }
    
    .button-group-horizontal {
        gap: 0.8rem;
    }
    
    .compact-btn {
        padding: 0.5rem 0.8rem !important;
        font-size: 0.85rem !important;
        min-width: 60px !important;
    }
    
    .final-score {
        margin: 0.1rem 0 0.1rem 0;
        padding: 0.5rem 0.7rem;
    }
    
    .score-value {
        font-size: 2rem;
    }
    
    .stats {
        margin-bottom: 0.1rem;
        padding: 0.3rem 0.5rem;
    }
    
    .modal-content {
        padding: 1rem;
        margin: 0.5rem;
    }
    
    .leaderboard-item {
        padding: 0.6rem 0.8rem;
        font-size: 0.8rem;
    }
}

/* Chapter Name Display */
.chapter-name {
    position: fixed !important;
    top: 50% !important;
    left: 50% !important;
    transform: translate(-50%, -50%) !important;
    z-index: 1000 !important;
    opacity: 0 !important;
    transition: opacity 1s ease-in-out !important;
    pointer-events: none !important;
    width: 100% !important;
    height: auto !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
}

.chapter-name.show {
    opacity: 1 !important;
}

.chapter-name h1 {
    font-size: 2rem !important;
    color: #ffffff !important;
    text-align: center !important;
    text-shadow: 
        0 0 10px rgba(255, 255, 255, 0.9),
        0 0 20px rgba(255, 255, 255, 0.7),
        0 0 30px rgba(255, 255, 255, 0.5),
        0 0 40px rgba(255, 255, 255, 0.3),
        2px 2px 8px rgba(0, 0, 0, 0.9) !important;
    font-weight: bold !important;
    letter-spacing: 3px !important;
    margin: 0 !important;
    padding: 20px !important;
    white-space: pre-line !important;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif !important;
}

@media (max-width: 768px) {
    .chapter-name h1 {
        font-size: 1.5rem !important;
        letter-spacing: 1px !important;
    }
}

@media (max-width: 480px) {
    .chapter-name h1 {
        font-size: 1.2rem !important;
        letter-spacing: 0.5px !important;
    }
}

/* Frame-specific styles */
.frame-note {
    font-size: 0.9rem;
    color: #6200EA;
    margin-top: 1rem;
    font-style: italic;
}

.frame-indicator {
    position: fixed;
    top: 10px;
    right: 10px;
    background: rgba(98, 0, 234, 0.9);
    color: white;
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 12px;
    z-index: 1000;
    display: none;
}

.frame-mode .frame-indicator {
    display: block;
}

/* Optimize for Farcaster frame display */
@media (max-width: 600px) {
    .frame-mode #game-container {
        height: 100vh;
        overflow: hidden;
    }
    
    .frame-mode .screen {
        padding: 1rem;
    }
    
    .frame-mode .rules {
        font-size: 0.9rem;
    }
}
/* Wallet Connect Screen */
.profile-section {
    margin: 30px auto;
    text-align: center;
}

.profile-pic {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 3px solid #ffcc00;
    margin-bottom: 15px;
}

.profile-username {
    color: #888;
    font-size: 14px;
    margin-top: 5px;
}

.wallet-section {
    margin-top: 30px;
}

.wallet-status {
    font-size: 16px;
    color: #ffcc00;
    margin-bottom: 20px;
    font-weight: bold;
}

.help-text {
    font-size: 12px;
    color: #aaa;
    margin-top: 15px;
    max-width: 300px;
    margin-left: auto;
    margin-right: auto;
}

.primary-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    font-size: 18px;
    padding: 15px 30px;
}

.primary-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.5);
}