@import url('https://fonts.googleapis.com/css2?family=Bangers&family=Roboto:wght@400;700&display=swap');

body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #1e272e; /* Darker, sophisticated background */
    margin: 0;
    font-family: 'Roboto', sans-serif;
    color: white;
    overflow: hidden; /* Prevent scrollbars if content slightly overflows viewport */
}

.game-container {
    position: relative;
    border: 4px solid #303952; /* Slightly different border */
    box-shadow: 0 0 30px rgba(0,0,0,0.7);
    border-radius: 8px; /* More rounded container */
}

canvas {
    display: block;
}

#ui-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    pointer-events: none;
}

#score, #highScore {
    position: absolute;
    font-size: 48px;
    padding: 20px 25px;
    text-shadow: 3px 3px 5px rgba(0,0,0,0.6);
    font-family: 'Bangers', cursive;
    letter-spacing: 1.5px;
    color: #fbc531; /* Gold-ish color for score */
}

#score { top: 25px; left: 25px; }
#highScore { top: 25px; right: 25px; }

#coinDisplayContainer {
    position: absolute;
    top: 140px;
    left: 25px;
    font-size: 28px;
    padding: 10px 15px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    font-family: 'Bangers', cursive;
    letter-spacing: 1px;
    color: #feca57;
    background-color: rgba(0,0,0,0.3);
    border-radius: 8px;
}

#fuelBarContainer {
    position: absolute;
    bottom: 25px;
    left: 25px;
    font-size: 24px;
    background-color: rgba(0,0,0,0.5);
    padding: 12px 18px;
    border-radius: 10px;
}

#fuelBar {
    width: 220px;
    height: 24px;
    background-color: #e17055;
    border: 2px solid #0d0d0d;
    border-radius: 6px;
    margin-top: 6px;
    transition: width 0.2s ease-out, background-color 0.3s ease;
}


#startScreen, #gameOverScreen {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(44, 62, 80, 0.92);
    padding: 30px 40px;
    border-radius: 20px;
    text-align: center;
    pointer-events: all;
    box-shadow: 0 8px 25px rgba(0,0,0,0.5);
    min-width: 500px;
    max-width: 70%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

#startScreen h1, #gameOverScreen h2 {
    margin-top: 0;
    margin-bottom: 25px;
    color: #ff7f50;
    font-size: 80px;
    font-family: 'Bangers', cursive;
    letter-spacing: 3px;
    line-height: 1;
    text-shadow: 4px 4px 0px rgba(0,0,0,0.25);
}

#startScreen p, #gameOverScreen p {
    margin-bottom: 20px;
    font-size: 20px;
    line-height: 1.6;
}

/* General styling for main action buttons on start/gameover */
#startScreen button, 
#gameOverScreen button#restartButton {
    padding: 15px 30px;
    font-size: 20px;
    background-image: linear-gradient(to bottom, #55efc4, #00b894);
    color: #1e272e;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    margin: 12px 8px;
    transition: all 0.2s ease;
    pointer-events: all;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 1.5px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    font-family: 'Roboto', sans-serif;
}

#startScreen button:hover, 
#gameOverScreen button#restartButton:hover {
    background-image: linear-gradient(to bottom, #69f2d0, #00c9a2);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 6px 12px rgba(0,0,0,0.4);
}

#startScreen button:active, 
#gameOverScreen button#restartButton:active {
    transform: translateY(0px) scale(0.98);
    box-shadow: 0 2px 5px rgba(0,0,0,0.25);
}

/* Special button styles for Shop, Leaderboard, Settings on Start Screen */
#startScreen #shopButton,
#startScreen #leaderboardButton,
#startScreen #settingsButton {
    background-image: linear-gradient(to bottom, #a29bfe, #6c5ce7); /* Purple theme */
    margin-top: 15px; /* Adjusted from 20px */
}
#startScreen #shopButton:hover,
#startScreen #leaderboardButton:hover,
#startScreen #settingsButton:hover {
    background-image: linear-gradient(to bottom, #b1a9ff, #7b6cfb);
    transform: translateY(-2px);
    box-shadow: 0 6px 10px rgba(0,0,0,0.3);
}


/* Game Over Screen Specifics */
#gameOverScreen .score-info-box {
    background-color: rgba(0, 0, 0, 0.25);
    padding: 20px 30px;
    border-radius: 10px;
    margin-bottom: 25px;
    min-width: 250px;
    box-shadow: inset 0 0 10px rgba(0,0,0,0.2);
}
#gameOverScreen .score-info-box p { margin: 8px 0; font-size: 22px; line-height: 1.5; color: #dfe6e9; }
#gameOverScreen .score-info-box p span#coinsEarned,
#gameOverScreen .score-info-box p span#finalScore { font-weight: bold; }
#gameOverScreen .score-info-box p span#coinsEarned { color: #feca57; }
#gameOverScreen .score-info-box p#newHighScoreTextGameOver { color: #fdcb6e; font-family: 'Bangers', cursive; font-size: 28px; letter-spacing: 1px; margin-top: 15px; display: none; }

/* --- Character Shop Screen Styles --- */
#shopScreen {
    position: absolute;
    top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 90%; max-width: 1000px; height: 85vh; max-height: 650px;
    background-color: rgba(30, 39, 46, 0.95);
    padding: 25px; border-radius: 20px; text-align: center;
    pointer-events: all; box-shadow: 0 10px 30px rgba(0,0,0,0.6);
    display: flex; flex-direction: column; color: white;
}
#shopHeader { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; padding-bottom: 15px; border-bottom: 2px solid rgba(255,255,255,0.2); }
#shopHeader h2 { font-size: 60px; color: #ff9f43; font-family: 'Bangers', cursive; margin: 0; text-shadow: 3px 3px 0px rgba(0,0,0,0.2); }
#shopCoinDisplay { font-size: 24px; font-family: 'Bangers', cursive; color: #feca57; background-color: rgba(0,0,0,0.3); padding: 8px 15px; border-radius: 8px; }
#shopContent { display: flex; flex-grow: 1; overflow: hidden; gap: 20px; }
#shopPanelLeft { flex: 1; padding: 15px; background-color: rgba(0,0,0,0.2); border-radius: 10px; overflow-y: auto; display: flex; flex-direction: column; gap: 15px; }
#shopPanelRight { flex: 1.5; padding: 20px; background-color: rgba(0,0,0,0.15); border-radius: 10px; display: flex; flex-direction: column; align-items: center; justify-content: center; }
#shopCharacterPreviewImage { max-width: 80%; max-height: 250px; height: auto; object-fit: contain; margin-bottom: 20px; background-color: rgba(0,0,0,0.1); border-radius: 10px; padding: 10px; border: 1px solid rgba(255,255,255,0.1); }
#shopCharacterPreviewImage.not-ready { background-color: #444; min-height: 200px; display: flex; align-items: center; justify-content: center; color: #aaa; font-style: italic; }
#shopCharacterPreviewImage.not-ready::after { content: "Loading..."; }
#shopCharacterName { font-size: 32px; font-family: 'Bangers', cursive; color: #fff; margin-bottom: 10px; }
#shopCharacterPriceStatus { font-size: 20px; color: #feca57; margin-bottom: 15px; }
#shopCharacterPriceStatus.owned { color: #55efc4; }
#shopPanelLeft .character-slot { background-color: rgba(255,255,255,0.08); border: 2px solid rgba(255,255,255,0.2); border-radius: 8px; padding: 10px; display: flex; align-items: center; gap: 10px; transition: background-color 0.2s ease, border-color 0.2s ease; cursor: pointer; }
#shopPanelLeft .character-slot:hover { background-color: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.4); }
#shopPanelLeft .character-slot.selected-in-shop { border-color: #55efc4; background-color: rgba(85, 239, 196, 0.15); }
#shopPanelLeft .character-slot img { width: 60px; height: 60px; object-fit: contain; background-color: rgba(0,0,0,0.2); border-radius: 5px; border: 1px solid rgba(255,255,255,0.1); flex-shrink: 0; }
#shopPanelLeft .character-slot img.not-ready { background-color: #333; }
.char-info-shop { flex-grow: 1; text-align: left; min-width: 0; overflow: hidden; }
#shopPanelLeft .character-slot .char-name { font-size: 16px; font-weight: bold; color: #fff; margin-bottom: 3px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#shopPanelLeft .character-slot .char-price,
#shopPanelLeft .character-slot .char-status { font-size: 13px; color: #feca57; margin-bottom: 5px; }
#shopPanelLeft .character-slot .char-status { color: #55efc4; }
.shop-button-container { margin-left: auto; flex-shrink: 0; }
#shopPanelLeft .character-slot button { padding: 7px 12px; font-size: 13px; background-image: linear-gradient(to bottom, #74b9ff, #0984e3); color: white; border:none; border-radius: 6px; white-space: nowrap; cursor: pointer; transition: background-image 0.2s ease; }
#shopPanelLeft .character-slot button:hover:not(:disabled) { background-image: linear-gradient(to bottom, #85c4ff, #0a8eff); }
#shopPanelLeft .character-slot button:disabled { background-image: linear-gradient(to bottom, #999, #777); cursor: not-allowed; opacity: 0.7; }

/* Generic "Back to Menu" button style for all screens that use it */
.back-to-menu-button { /* NEW Generic Class */
    padding: 15px 30px;
    font-size: 18px;
    width: fit-content;
    align-self: center; /* Works if parent is flex and column direction */
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 1px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.25);
    font-family: 'Roboto', sans-serif;
    transition: all 0.2s ease;
    margin-top: auto; /* Pushes to bottom in flex container */
    background-image: linear-gradient(to bottom, #ff7675, #d63031); /* Red theme */
}
.back-to-menu-button:hover {
    background-image: linear-gradient(to bottom, #ff8b8a, #e04443);
    transform: translateY(-2px);
    box-shadow: 0 6px 10px rgba(0,0,0,0.3);
}

/* Apply the generic style to all specific back buttons */
#shopScreen #backToMenuButtonFromShop,
#settingsScreen #backToMenuButtonFromSettings,
#leaderboardScreen #backToMenuButtonFromLeaderboard {
    /* They will inherit from .back-to-menu-button if you add this class to them in HTML */
    /* OR, you can keep them separate like this if you prefer ID targeting */
    padding: 15px 30px;
    font-size: 18px;
    width: fit-content;
    align-self: center;
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 1px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.25);
    font-family: 'Roboto', sans-serif;
    transition: all 0.2s ease;
    margin-top: auto; /* This makes it go to the bottom of the flex container */
    background-image: linear-gradient(to bottom, #ff7675, #d63031);
}
#shopScreen #backToMenuButtonFromShop:hover,
#settingsScreen #backToMenuButtonFromSettings:hover,
#leaderboardScreen #backToMenuButtonFromLeaderboard:hover {
    background-image: linear-gradient(to bottom, #ff8b8a, #e04443);
    transform: translateY(-2px);
    box-shadow: 0 6px 10px rgba(0,0,0,0.3);
}


/* --- Settings Screen Styles --- */
#settingsScreen {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    background-color: rgba(44, 62, 80, 0.95);
    padding: 25px 35px; border-radius: 20px; text-align: center;
    pointer-events: all; box-shadow: 0 8px 25px rgba(0,0,0,0.5);
    min-width: 500px; max-width: 700px; width: 90%;
    display: flex; flex-direction: column; align-items: center;
    gap: 20px; color: white; max-height: 90vh; overflow-y: auto;
}
#settingsScreen h2 { margin-top: 0; margin-bottom: 20px; color: #ff9f43; font-size: 60px; font-family: 'Bangers', cursive; letter-spacing: 2px; }
.settings-section { background-color: rgba(0,0,0,0.2); padding: 15px 20px; border-radius: 10px; width: 90%; box-sizing: border-box; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.settings-section h3 { margin-top: 0; margin-bottom: 10px; font-family: 'Bangers', cursive; color: #feca57; font-size: 28px; }
.settings-section label { font-size: 18px; margin-right: 10px; margin-bottom: 5px; width: 100%; text-align: left; padding-left: 5%;}
.settings-section input[type="text"] {
    padding: 10px 15px; font-size: 16px; border-radius: 6px;
    border: 1px solid #555; background-color: #dfe6e9; color: #2d3436;
    width: 90%; /* Relative to parent .settings-section */ box-sizing: border-box; margin-bottom: 10px;
}
.settings-section input[type="range"] { width: 90%; cursor: pointer; margin-bottom: 10px;}
.settings-section button {
    padding: 10px 20px; font-size: 16px;
    background-image: linear-gradient(to bottom, #74b9ff, #0984e3); /* Blue theme for save/action */
    color: white; border: none; border-radius: 8px; cursor: pointer; font-weight: bold;
}
.settings-section button:hover { background-image: linear-gradient(to bottom, #85c4ff, #0a8eff); }
#displayNameStatus { font-size: 14px; min-height: 1.2em; color: #55efc4;}
#displayNameStatus.error { color: #ff7675; }


/* Redeem Code Section inside Settings */
#settingsScreen #redeemCodeSection {
    width: 90%; /* Consistent with other sections */
    /* background-color: transparent; /* Optional: remove distinct background if desired */
    /* box-shadow: none; /* Optional */
}
#settingsScreen #redeemCodeInput { /* Already styled by .settings-section input[type="text"] */
    text-align: center;
}
#settingsScreen #redeemCodeButton { /* Inherits from .settings-section button, adjust if needed */
    background-image: linear-gradient(to bottom, #fd79a8, #e84393); /* Pink theme for redeem */
    color: white;
}
#settingsScreen #redeemCodeButton:hover {
    background-image: linear-gradient(to bottom, #ff8fbc, #f353a3);
}
#settingsScreen #redeemStatusMessage { margin-top: 8px; font-size: 14px; min-height: 1.2em; }
#settingsScreen #redeemStatusMessage.success { color: #55efc4; font-weight: bold; }
#settingsScreen #redeemStatusMessage.error { color: #ff7675; }


/* --- Leaderboard Screen Styles --- */
#leaderboardScreen {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    background-color: rgba(30, 39, 46, 0.97);
    padding: 25px; border-radius: 20px; text-align: center;
    pointer-events: all; box-shadow: 0 10px 30px rgba(0,0,0,0.6);
    min-width: 600px; max-width: 800px; width: 90%;
    height: 85vh; max-height: 700px;
    display: flex; flex-direction: column; color: white;
}
#leaderboardScreen h2 { margin-top: 0; margin-bottom: 20px; color: #ff9f43; font-size: 60px; font-family: 'Bangers', cursive; }
#leaderboardListContainer { flex-grow: 1; overflow-y: auto; background-color: rgba(0,0,0,0.2); border-radius: 10px; padding: 15px; margin-bottom: 15px; }
#leaderboardListContainer .leaderboard-entry { display: flex; justify-content: space-between; padding: 10px 15px; border-bottom: 1px solid rgba(255,255,255,0.1); font-size: 18px; align-items: center;}
#leaderboardListContainer .leaderboard-entry:last-child { border-bottom: none; }
#leaderboardListContainer .leaderboard-entry.user-highlight { background-color: rgba(85, 239, 196, 0.2); border-left: 4px solid #55efc4; padding-left: 11px; font-weight: bold; border-radius: 0 5px 5px 0; }
.leaderboard-rank { width: 12%; text-align: left; color: #bdc3c7; }
.leaderboard-name { width: 58%; text-align: left; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;}
.leaderboard-score { width: 30%; text-align: right; font-weight: bold; color: #feca57; }
#leaderboardLoadingMsg { font-style: italic; color: #95a5a6; margin-top: 20px;}
#leaderboardUserRank { padding: 15px; background-color: rgba(0,0,0,0.3); border-radius: 8px; margin-bottom: 15px; font-size: 18px; text-align: left; }
#leaderboardUserRank p { margin: 5px 0; }
#leaderboardUserRank span { font-weight: bold; }
#leaderboardUserRank button {
    margin-top: 10px; padding: 8px 15px; font-size: 14px;
    background-image: linear-gradient(to bottom, #74b9ff, #0984e3);
    color: white; border: none; border-radius: 6px; cursor: pointer;
    float: right; /* Align button to the right */
}
#leaderboardUserRank button:hover { background-image: linear-gradient(to bottom, #85c4ff, #0a8eff); }
#leaderboardUserRank::after { content: ""; display: table; clear: both; } /* Clear float */


/* --- New World High Score Popup --- */
#newWorldHighScorePopup {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    background-color: rgba(44, 62, 80, 0.97);
    padding: 30px 40px; border-radius: 20px; text-align: center;
    pointer-events: all; box-shadow: 0 8px 25px rgba(0,0,0,0.6);
    min-width: 450px; max-width: 600px; z-index: 1000; color: white;
    border: 3px solid #fdcb6e;
}
#newWorldHighScorePopup h2 { margin-top: 0; margin-bottom: 15px; color: #fdcb6e; font-family: 'Bangers', cursive; font-size: 50px; }
#newWorldHighScorePopup p { font-size: 18px; line-height: 1.6; margin-bottom: 15px; }
#championLaliPopupImage { width: 150px; height: auto; margin: 10px auto; border: 3px solid #feca57; border-radius: 10px; background-color: rgba(0,0,0,0.2); }
#newWorldHighScorePopup button {
    padding: 12px 25px; font-size: 18px;
    background-image: linear-gradient(to bottom, #55efc4, #00b894);
    color: #1e272e; border: none; border-radius: 8px; cursor: pointer; font-weight: bold; margin-top: 10px;
}
#newWorldHighScorePopup button:hover {
    background-image: linear-gradient(to bottom, #69f2d0, #00c9a2);
}

/* ... (your existing CSS) ... */

/* --- General Styles for Game Action Buttons (Pause, Info) --- */
.game-action-button {
    position: absolute;
    bottom: 20px;
    padding: 10px;
    font-size: 20px;
    font-family: 'Bangers', cursive;
    color: white;
    border: 2px solid #feca57;
    background-color: rgba(44, 62, 80, 0.8);
    border-radius: 50%; /* Make them circular */
    width: 50px;
    height: 50px;
    line-height: 1; /* For better vertical centering of text in circle */
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all 0.2s ease;
    z-index: 200; /* Above canvas, below popups if any */
    box-shadow: 0 3px 6px rgba(0,0,0,0.4);
    pointer-events: all; /* Crucial */
}
.game-action-button:hover {
    background-color: #feca57;
    color: #2c3e50;
    transform: scale(1.1);
}

#gamePauseButton {
    right: 20px;
}

#gameInfoButton {
    right: 85px; /* (20px from edge + 50px width of pause + 15px gap) */
}


/* --- Pause Overlay Screen --- */
.game-overlay-screen { /* More generic name than just #pauseOverlay if you add more */
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.75);
    display: flex; /* To center content */
    justify-content: center;
    align-items: center;
    z-index: 500; /* Above game action buttons, below modals */
    pointer-events: all;
    color: white;
    text-align: center;
}

.overlay-content-box { /* For styling the text box within the overlay */
    background-color: rgba(44, 62, 80, 0.9);
    padding: 30px 50px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.overlay-content-box h1 {
    font-family: 'Bangers', cursive;
    font-size: 70px;
    color: #ff7f50;
    margin-top: 0;
    margin-bottom: 15px;
    text-shadow: 3px 3px 0px rgba(0,0,0,0.2);
}
.overlay-content-box p {
    font-size: 22px;
    margin-bottom: 25px;
}
.overlay-content-box button { /* Style for resume button on pause overlay */
    padding: 12px 25px;
    font-size: 18px;
    background-image: linear-gradient(to bottom, #55efc4, #00b894);
    color: #1e272e;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    text-transform: uppercase;
}
.overlay-content-box button:hover {
    background-image: linear-gradient(to bottom, #69f2d0, #00c9a2);
}


/* --- Generic Modal Screen (for Info Page) --- */
.modal-screen {
    display: none; /* Hidden by default */
    position: fixed; /* Stay in place, cover viewport */
    z-index: 1000; /* Above everything else */
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto; /* Enable scroll if content too tall */
    background-color: rgba(0,0,0,0.6); /* Dimmed background */
    pointer-events: all;
}

.modal-content-box {
    background-color: #2c3e50; /* Dark blue-grey, fits theme */
    color: #dfe6e9; /* Light grey text */
    margin: 8% auto; /* Vertically somewhat centered, horizontally centered */
    padding: 25px 35px;
    border: 2px solid #feca57; /* Gold border */
    border-radius: 15px;
    width: 80%;
    max-width: 750px; /* Max width for readability */
    box-shadow: 0 5px 20px rgba(0,0,0,0.5);
    position: relative; /* For positioning close button */
}

.modal-content-box h2 {
    font-family: 'Bangers', cursive;
    color: #ff9f43; /* Orange-gold title */
    font-size: 48px;
    text-align: center;
    margin-top: 0;
    margin-bottom: 20px;
    text-shadow: 2px 2px 0px rgba(0,0,0,0.2);
}

.modal-content-box h3 {
    font-family: 'Bangers', cursive;
    color: #feca57; /* Gold sub-headings */
    font-size: 28px;
    margin-top: 25px;
    margin-bottom: 10px;
    border-bottom: 1px solid rgba(254, 202, 87, 0.5);
    padding-bottom: 5px;
}

.modal-content-box p, .modal-content-box li {
    font-size: 17px;
    line-height: 1.7;
    margin-bottom: 12px;
}
.modal-content-box ul {
    list-style-type: disc;
    padding-left: 30px; /* Indent list */
}
.modal-content-box ul ul { /* Nested lists */
    list-style-type: circle;
    margin-top: 5px;
}
.modal-content-box strong {
    color: #55efc4; /* Mint green for emphasis */
}

.modal-close-button {
    color: #aaa;
    position: absolute;
    top: 15px;
    right: 25px;
    font-size: 32px;
    font-weight: bold;
    transition: color 0.2s;
}
.modal-close-button:hover,
.modal-close-button:focus {
    color: #ff7675; /* Red on hover */
    text-decoration: none;
    cursor: pointer;
}


/* Ensure ui-overlay itself doesn't block pause/info buttons if they were inside it */
/* #ui-overlay { pointer-events: none; } */ /* Already present */
/* #ui-overlay > * { pointer-events: all; } */ /* Already implicitly true for its children */

/* Adjust existing startScreen and gameOverScreen if pause/info buttons overlap */
/* Check z-index values if anything is not appearing correctly */
/* Your existing screens like #startScreen, #gameOverScreen etc. have pointer-events: all; */
/* Make sure their z-index is lower than #infoModal if info can be opened from them, */
/* or ensure info button is not active when those screens are up. */
/* For now, info button is for game screen only. */