/* --- Global Variables (Define your color palette here) --- */
:root {
    /* Base Colors */
    --bg-dark: #1a1a2e; /* Deep dark space blue/purple */
    --card-bg: #2a2a4a; /* Slightly lighter dark for cards */
    --text-light: #e0e0e0; /* Light grey for primary text */
    --text-muted: #a0a0b0; /* Muted grey for secondary text */

    /* Accent Colors (for neon glow/highlights) */
    --accent-cyan: #00ffff; /* Bright cyan */
    --accent-purple: #8a2be2; /* Electric purple */
    --accent-green: #00ff00; /* Bright green for success */
    --accent-red: #ff3333; /* Bright red for errors/loss */

    /* Button Colors */
    --button-primary: var(--accent-purple);
    --hover-primary: #a040e0; /* Slightly lighter purple on hover */
    --button-secondary: #444466; /* Darker grey-blue for secondary */
    --hover-secondary: #666688; /* Lighter grey-blue on hover */

    /* Border & Shadow */
    --border-glow: var(--accent-cyan); /* Default glow border color */
}

/* --- Base Styles --- */
body {
    margin: 0;
    font-family: 'Oxanium', sans-serif;
    color: var(--text-light);
    background-color: var(--bg-dark); /* Ensures entire page background is dark */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    box-sizing: border-box;
    overflow-x: hidden; /* Prevent horizontal scroll */
    transition: background-color 0.5s ease; /* Smooth theme transition */
}

/* Specific theme classes (body will switch these) */
/* Sci-Fi Dark (default) variables are in :root */

.retro-green-theme {
    --bg-dark: #0f1c0f;
    --card-bg: #1a321a;
    --text-light: #e0ffee;
    --text-muted: #aaddaa;
    --accent-cyan: #00ff00; /* Green highlight */
    --accent-purple: #00ee00; /* Another green */
    --button-primary: #00cc00;
    --hover-primary: #00ee00;
    --border-glow: #00ff00;
}

.cyber-punk-theme {
    --bg-dark: #0a0a0a;
    --card-bg: #150515;
    --accent-cyan: #ff00ff; /* Magenta */
    --accent-purple: #00ffff; /* Cyan */
    --button-primary: #ff00ff;
    --hover-primary: #ee00ee;
    --border-glow: #00ffff;
    --text-light: #ffe0ff;
    --text-muted: #a080a0;
}

.galactic-blue-theme {
    --bg-dark: #080820; /* Very dark blue for main background */
    --card-bg: #101030; /* Darker blue for cards/sections */
    --text-light: #d0e0ff; /* Light, slightly desaturated blue-white text */
    --text-muted: #a0b0d0; /* Muted blue-grey text */
    --accent-cyan: #3399ff; /* Bright blue accent */
    --accent-purple: #6633ff; /* Deep blue/purple accent */
    --button-primary: #3399ff; /* Primary button matches bright blue accent */
    --hover-primary: #55bbff; /* Lighter blue on hover */
    --button-secondary: #1a1a40; /* Dark blue for secondary buttons */
    --hover-secondary: #303060; /* Slightly lighter dark blue on hover */
    --border-glow: #3399ff; /* Border glow matches bright blue accent */
}

.lava-red-theme {
    --bg-dark: #200505; /* Very dark red/brown for main background */
    --card-bg: #300a0a; /* Darker red/brown for cards/sections */
    --text-light: #fff0e0; /* Off-white, slightly warm text */
    --text-muted: #e0c0a0; /* Muted orange/brown text */
    --accent-cyan: #ff6600; /* Bright orange accent (simulating lava) */
    --accent-purple: #ff0000; /* Pure red accent */
    --button-primary: #ff6600; /* Primary button matches orange accent */
    --hover-primary: #ff8800; /* Lighter orange on hover */
    --button-secondary: #401010; /* Dark red for secondary buttons */
    --hover-secondary: #602020; /* Slightly lighter dark red on hover */
    --border-glow: #ff6600; /* Border glow matches orange accent */
}


/* --- Game Container & Layout --- */
.game-container {
    width: 95%;
    max-width: 900px;
    margin: 20px auto;
    background-color: var(--bg-dark); /* Primary container background */
    border-radius: 20px;
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.7);
    padding: 30px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: calc(100vh - 40px); /* Fill screen height minus margin */
    position: relative; /* For footer positioning if needed */
}

.game-header {
    text-align: center;
    margin-bottom: 30px;
    width: 100%;
}

.game-header h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 4em;
    color: var(--accent-cyan);
    text-shadow: 0 0 30px var(--accent-cyan), 0 0 50px rgba(0, 255, 255, 0.5);
    margin-bottom: 0.5rem;
    line-height: 1.1;
}

.game-header p {
    font-size: 1.2em;
    color: var(--text-muted);
    margin-top: 0;
}

.top-game-info {
    width: 100%;
    display: flex;
    justify-content: flex-end;
    margin-bottom: 20px;
    padding-right: 10px;
    box-sizing: border-box;
}

.ecp-display {
    background-color: var(--button-secondary);
    padding: 8px 15px;
    border-radius: 20px;
    color: var(--text-light);
    font-size: 1.2em;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-glow);
}

.ecp-display .coin-icon {
    color: var(--accent-cyan);
    text-shadow: 0 0 5px var(--accent-cyan);
}

.bottom-controls {
    display: flex;
    justify-content: center;
    gap: 15px;
    width: 100%;
    margin-top: auto; /* Push to bottom of flex container */
    padding-top: 30px;
}

.game-footer {
    width: 100%;
    text-align: center;
    padding-top: 20px;
    border-top: 1px dashed var(--text-muted);
    margin-top: 40px; /* Space from content above */
    font-size: 0.85em;
    color: var(--text-muted);
}


/* --- General Button Styling --- */
.action-button {
    border: none;
    padding: 14px 30px;
    border-radius: 8px;
    font-size: 1.15em;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    text-decoration: none;
    display: inline-flex; /* Use flex for icon alignment */
    align-items: center;
    justify-content: center;
    gap: 10px; /* Space between text and icon */
    font-family: 'Oxanium', sans-serif;
    min-width: 150px; /* Ensure buttons have a minimum width */
}

.primary-button {
    background-color: var(--button-primary);
    color: white;
    box-shadow: 0 5px 15px rgba(138, 43, 226, 0.4);
}

.primary-button:hover {
    background-color: var(--hover-primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(138, 43, 226, 0.6), 0 0 15px var(--hover-primary);
}

.secondary-button {
    background-color: var(--button-secondary);
    color: var(--text-light);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.secondary-button:hover {
    background-color: var(--hover-secondary);
    transform: translateY(-2px);
    box-shadow: 0 5px 12px rgba(0, 0, 0, 0.3), 0 0 8px var(--border-glow);
}

.back-button {
    /* Inherits from secondary-button */
}

/* --- Disabled Button Style --- */
.action-button.disabled-button {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: var(--button-secondary) !important; /* Override primary/secondary styles */
    box-shadow: none !important;
    transform: none !important;
}


/* --- Game Intro Page Specific Styles --- */
.game-card {
    background-color: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5), 0 0 20px var(--accent-purple);
    border: 3px solid var(--accent-purple);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    animation: neonBorderPulse 1s infinite alternate;
}

.game-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.7), 0 0 30px var(--border-glow);
}

.game-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-bottom: 1px solid var(--border-glow);
}

.game-card h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2em;
    margin: 1.5rem 0.5rem 0.8rem;
    color: var(--accent-cyan);
    text-shadow: 0 0 10px var(--accent-cyan);
}

.game-card p {
    font-size: 1em;
    padding: 0 1.5rem 1rem;
    color: var(--text-muted);
    flex-grow: 1;
}

/* --- Roll & Flip Game Specific Styles --- */

/* Screen management */
.game-screen {
    display: none; /* Hide all game screens by default */
    width: 100%;
    max-width: 800px; /* Adjust as needed for intro content */
    margin: 0 auto; /* Center the screen content */
    flex-direction: column; /* Ensure content stacks vertically */
    align-items: center; /* Center items horizontally */
    gap: 20px; /* Space between major elements */
    padding: 20px;
    box-sizing: border-box; /* Include padding in width */
}

.game-screen.active-screen {
    display: flex; /* Show the active screen */
}

.hidden-screen {
    display: none; /* Explicitly hide screens that are not active */
}

/* Intro Screen specific adjustments */
#gameIntroScreen {
    background-color: var(--card-bg); /* Use card background for intro */
    border-radius: 15px;
    border: 2px solid var(--accent-purple);
    box-shadow: 0 0 40px rgba(138, 43, 226, 0.4), 0 0 20px rgba(0, 255, 255, 0.2); /* Purple/Cyan glow */
    padding: 40px 20px;
}

#gameIntroScreen .game-header h1 {
    font-size: 3.5em;
    text-shadow: 0 0 25px var(--accent-cyan);
    margin-bottom: 10px;
}

#gameIntroScreen .game-subtitle {
    font-family: 'Oxanium', sans-serif;
    font-size: 1.4em;
    color: var(--text-muted);
    margin-top: -10px;
    margin-bottom: 30px;
}

.game-description {
    background-color: var(--bg-dark); /* Dark background for description card */
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
    text-align: left;
    width: 100%;
    box-sizing: border-box;
    margin-bottom: 30px;
}

.game-description .card-title {
    font-size: 1.8em;
    color: var(--accent-purple);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    text-shadow: 0 0 10px rgba(138, 43, 226, 0.5);
}

.game-description p {
    font-size: 1.1em;
    line-height: 1.6;
    color: var(--text-light);
    margin-bottom: 15px;
}

.game-features {
    list-style: none;
    padding: 0;
    margin-top: 25px;
}

.game-features li {
    font-size: 1.1em;
    color: var(--text-light);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.game-features li i {
    color: var(--accent-cyan);
    font-size: 1.3em;
}

.game-controls-group {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
    margin-bottom: 40px;
}

/* Play Screen adjustments */
#gamePlayScreen {
    max-width: 700px;
    padding-top: 20px;
}

#gamePlayScreen .game-header h2 {
    font-size: 2.5em;
    color: var(--accent-cyan);
    text-shadow: 0 0 15px var(--accent-cyan);
    margin-bottom: 10px;
}

/* Staking Input Area */
.stake-input-area,
.guess-input-area {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 15px;
    width: 100%;
    background-color: var(--card-bg); /* Card background for input areas */
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
    margin-bottom: 25px;
    border: 1px solid var(--border-glow);
}

.stake-input-area .input-label,
.guess-input-area .input-label {
    font-size: 1.1em;
    color: var(--accent-purple);
    font-family: 'Oxanium', sans-serif;
    min-width: 80px;
    text-align: right;
}

.stake-input-area .text-input {
    background-color: var(--bg-dark); /* Dark background for input fields */
    border: 2px solid var(--accent-cyan);
    border-radius: 8px;
    color: var(--text-light);
    font-family: 'Oxanium', sans-serif;
    font-size: 1.1em;
    padding: 10px 15px;
    width: 100px;
    box-shadow: 0 0 8px rgba(0, 255, 255, 0.3);
    transition: box-shadow 0.3s ease, border-color 0.3s ease;
    text-align: center;
}

.stake-input-area .text-input:focus {
    outline: none;
    border-color: var(--accent-purple);
    box-shadow: 0 0 12px rgba(138, 43, 226, 0.5);
}

#leverage, #playerChoice {
    background-color: var(--bg-dark); /* Dark background for dropdowns */
    border: 2px solid var(--accent-purple);
    border-radius: 10px;
    color: var(--text-light);
    font-family: 'Oxanium', sans-serif;
    font-size: 1.1em;
    padding: 10px 15px;
    width: 180px;
    box-shadow: 0 0 10px var(--accent-purple);
    transition: box-shadow 0.3s ease, border-color 0.3s ease;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    cursor: pointer;
    text-align: center;
    text-align-last: center;
}

#leverage:focus, #playerChoice:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 15px var(--accent-cyan);
}

#leverage option, #playerChoice option {
    background-color: var(--card-bg); /* Dark background for dropdown options */
    color: var(--text-light);
}

#leverage optgroup, #playerChoice optgroup {
    background-color: var(--bg-dark); /* Dark background for optgroup labels */
    color: var(--accent-cyan);
    font-weight: bold;
    padding: 5px 0;
}

/* Common game play screen elements */
.game-main-content {
    width: 100%;
    max-width: 600px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.roll-flip-display {
    min-height: 120px;
    font-size: 2.2em;
    font-family: 'Orbitron', sans-serif;
    color: var(--accent-cyan);
    text-shadow: 0 0 10px var(--accent-cyan);
    border-color: var(--border-glow);
    animation: pulsateGlow 2s infinite alternate;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    box-sizing: border-box;
    width: 100%;
    margin-top: 25px;
    background-color: var(--bg-dark); /* Dark background for the display area */
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
}

.roll-flip-controls {
    margin-top: 30px;
    margin-bottom: 30px;
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.feedback-message {
    font-size: 1.2em;
    margin-top: 20px;
    min-height: 1.5em;
    color: var(--accent-cyan); /* Default success/info color */
    text-align: center;
}

.feedback-message.error {
    color: var(--accent-red); /* Red for error messages */
}

.feedback-message.success {
    color: var(--accent-green); /* Green for success messages */
}

.ecp-change-message {
    font-size: 1.4em;
    font-weight: bold;
    margin-top: 10px;
    min-height: 1.5em;
    text-shadow: 0 0 5px; /* Will inherit color from positive/negative class */
    text-align: center;
}
.ecp-change-message.positive {
    color: var(--accent-green);
}
.ecp-change-message.negative {
    color: var(--accent-red);
}

/* Bottom controls on game play screen */
.game-play-bottom-controls {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
    width: 100%;
    flex-wrap: wrap;
}

/* --- Theme Screen Styles --- */
#themeScreen .game-header h2 {
    font-size: 2.5em;
    color: var(--accent-purple);
    text-shadow: 0 0 15px var(--accent-purple);
}

.theme-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    width: 100%;
    background-color: var(--bg-dark); /* Darker background for the grid container */
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.2);
}

.theme-option {
    background-color: var(--card-bg); /* Card background for each theme option */
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
    border: 2px solid var(--border-glow);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    text-align: center;
    padding-bottom: 20px;
}

.theme-option:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.6), 0 0 15px var(--accent-cyan);
}

/* Style for the currently selected theme */
.theme-option.active-theme-selected {
    border-color: var(--accent-green); /* A clear indicator */
    box-shadow: 0 0 25px var(--accent-green), 0 0 10px rgba(0, 255, 0, 0.5);
    transform: scale(1.02);
    position: relative;
    z-index: 1; /* Bring to front slightly */
}
.theme-option.active-theme-selected h3 {
    color: var(--accent-green); /* Change text color for selected theme */
}


.theme-option img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-bottom: 1px solid var(--border-glow);
    margin-bottom: 15px;
}

.theme-option h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5em;
    color: var(--accent-cyan);
    text-shadow: 0 0 8px var(--accent-cyan);
    margin-bottom: 15px;
}

.theme-option .apply-theme-button {
    margin-top: 10px;
}


/* --- Achievements Screen Styles --- */
#achievementsScreen .game-header h2 {
    font-size: 2.5em;
    color: var(--accent-green);
    text-shadow: 0 0 15px var(--accent-green);
}

.achievements-list {
    width: 100%;
    background-color: var(--bg-dark); /* Darker background for the list container */
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 0 20px rgba(0, 255, 0, 0.2); /* Green glow */
}

.achievement-item {
    display: flex;
    align-items: center;
    gap: 20px;
    background-color: var(--card-bg); /* Card background for each item */
    border-radius: 10px;
    padding: 15px 20px;
    margin-bottom: 15px;
    border: 1px solid var(--border-glow);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    transition: box-shadow 0.3s ease;
}

.achievement-item:last-child {
    margin-bottom: 0;
}

.achievement-item:hover {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5), 0 0 10px var(--accent-green);
}

.achievement-icon {
    font-size: 3em;
    min-width: 50px;
    text-align: center;
}

/* Styles for locked/unlocked achievement icons */
.achievement-icon.locked {
    color: var(--text-muted);
    filter: grayscale(100%);
    opacity: 0.6;
}

.achievement-icon.unlocked {
    color: var(--accent-green); /* Green for unlocked */
    filter: grayscale(0%);
    opacity: 1;
    text-shadow: 0 0 10px var(--accent-green);
}

/* --- Earning History Screen Styles --- */
#historyScreen .game-header h2 {
    font-size: 2.5em;
    color: var(--accent-purple); /* Or choose another accent color */
    text-shadow: 0 0 15px var(--accent-purple);
}

.history-table-container {
    width: 100%;
    background-color: var(--bg-dark); /* Darker background for the table container */
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 0 20px rgba(138, 43, 226, 0.2); /* Purple glow */
    overflow-x: auto; /* Enable horizontal scrolling for smaller screens */
}

#earningHistoryTable {
    width: 100%;
    border-collapse: collapse; /* Collapse borders for a clean look */
    margin-top: 20px;
    font-size: 0.9em;
    color: var(--text-light);
}

#earningHistoryTable thead th {
    background-color: var(--button-secondary);
    color: var(--accent-cyan);
    padding: 12px 10px;
    text-align: left;
    border-bottom: 2px solid var(--accent-purple);
    font-family: 'Orbitron', sans-serif;
    font-weight: bold;
    text-transform: uppercase;
    white-space: nowrap; /* Prevent headers from wrapping */
}

#earningHistoryTable tbody tr {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: background-color 0.2s ease;
}

#earningHistoryTable tbody tr:nth-child(even) {
    background-color: rgba(0, 0, 0, 0.1); /* Slightly darker stripe */
}

#earningHistoryTable tbody tr:hover {
    background-color: rgba(var(--accent-cyan-rgb), 0.1); /* Subtle highlight on hover */
}

#earningHistoryTable tbody td {
    padding: 10px;
    text-align: left;
    white-space: nowrap; /* Prevent content from wrapping too much */
}

/* Specific styling for the 'Change' column based on win/loss */
#earningHistoryTable tbody td.positive {
    color: var(--accent-green);
    font-weight: bold;
}

#earningHistoryTable tbody td.negative {
    color: var(--accent-red);
    font-weight: bold;
}

#earningHistoryTable tbody td.outcome-win {
    color: var(--accent-green);
}

#earningHistoryTable tbody td.outcome-loss {
    color: var(--accent-red);
}

#noHistoryMessage {
    text-align: center;
    color: var(--text-muted);
    font-style: italic;
    margin-top: 30px;
    font-size: 1.1em;
}

/* Responsive adjustments for table */
@media (max-width: 768px) {
    #earningHistoryTable {
        font-size: 0.8em; /* Shrink font for very small screens */
    }
    #earningHistoryTable thead th,
    #earningHistoryTable tbody td {
        padding: 8px 5px; /* Reduce padding */
    }
}

/* --- Keyframe Animations --- */
@keyframes neonBorderPulse {
    0% {
        box-shadow: 0 0 15px var(--accent-cyan), 0 0 8px var(--accent-purple);
        border-color: var(--accent-cyan);
    }
    100% {
        box-shadow: 0 0 25px var(--accent-cyan), 0 0 12px var(--accent-purple);
        border-color: var(--accent-purple);
    }
}

@keyframes pulsateGlow {
    0% {
        box-shadow: 0 0 10px var(--border-glow), 0 0 15px rgba(0, 255, 255, 0.3);
    }
    50% {
        box-shadow: 0 0 20px var(--border-glow), 0 0 30px rgba(0, 255, 255, 0.6);
    }
    100% {
        box-shadow: 0 0 10px var(--border-glow), 0 0 15px rgba(0, 255, 255, 0.3);
    }
}


/* --- Responsive Adjustments --- */
@media (max-width: 768px) {
    .game-container {
        padding: 20px 10px; /* Reduce padding on smaller screens */
    }
    .game-header h1 {
        font-size: 3em;
    }
    .game-screen {
        padding: 15px;
    }
    #gameIntroScreen .game-header h1 {
        font-size: 2.8em;
    }
    #gameIntroScreen .game-subtitle {
        font-size: 1.2em;
    }
    .game-description .card-title {
        font-size: 1.5em;
    }
    .game-description p, .game-features li {
        font-size: 1em;
    }
    .game-controls-group button {
        width: calc(50% - 10px); /* Two buttons per row */
        max-width: none;
    }
    .stake-input-area,
    .guess-input-area {
        flex-direction: column; /* Stack inputs vertically */
        gap: 10px;
        padding: 15px;
    }
    .stake-input-area .input-label,
    .guess-input-area .input-label {
        width: 100%;
        text-align: center;
    }
    .stake-input-area .text-input,
    #leverage, #playerChoice {
        width: calc(100% - 30px); /* Full width minus padding */
        max-width: 250px; /* Max width to prevent stretching too much */
    }
    .roll-flip-display {
        font-size: 1.8em;
        min-height: 100px;
    }
    .roll-flip-controls button {
        width: calc(50% - 10px);
    }
    .game-play-bottom-controls button {
        width: calc(50% - 10px);
    }
    .theme-grid {
        grid-template-columns: 1fr; /* Single column on small screens */
    }
    .achievement-item {
        flex-direction: column; /* Stack icon and details */
        text-align: center;
        gap: 10px;
    }
    .achievement-icon {
        min-width: auto;
    }
    .achievement-details {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .game-header h1 {
        font-size: 2.5em;
    }
    #gameIntroScreen .game-header h1 {
        font-size: 2.2em;
    }
    .roll-flip-display {
        font-size: 1.5em;
        min-height: 80px;
    }
    .game-controls-group button,
    .roll-flip-controls button,
    .game-play-bottom-controls button {
        width: 100%; /* Full width buttons */
    }
}