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

body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    background: #000;
    font-family: 'Courier New', monospace;
    color: #FFD700;
    touch-action: none;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}

#game-container {
    position: relative;
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #000;
}

#gameCanvas {
    display: block;
    background: #000;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    width: 100%;
    max-width: 1200px;
    height: auto;
    cursor: crosshair;
}

/* Screens */
.screen {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.95);
    border: 4px solid #FFD700;
    padding: 40px;
    text-align: center;
    z-index: 100;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 0 20px #FFD700;
}

.screen.hidden {
    display: none;
}

h1 {
    font-size: 48px;
    color: #FFD700;
    text-shadow: 3px 3px 0 #FF0000, 6px 6px 0 #000;
    margin-bottom: 20px;
    animation: pulse 2s infinite;
}

h2 {
    font-size: 36px;
    color: #FFD700;
    text-shadow: 2px 2px 0 #FF0000;
    margin-bottom: 20px;
}

h3 {
    font-size: 24px;
    color: #FFD700;
    margin: 20px 0 10px 0;
}

.subtitle {
    font-size: 20px;
    color: #FF6600;
    margin-bottom: 20px;
    font-weight: bold;
}

.episode-info {
    margin: 20px 0;
    padding: 20px;
    background: rgba(255, 215, 0, 0.1);
    border: 2px solid #FFD700;
}

.episode-info p {
    margin: 10px 0;
    font-size: 16px;
}

.pixel-btn {
    background: #FFD700;
    color: #000;
    border: 4px solid #FFA500;
    padding: 15px 30px;
    font-size: 20px;
    font-weight: bold;
    font-family: 'Courier New', monospace;
    cursor: pointer;
    margin: 10px;
    transition: all 0.2s;
    text-transform: uppercase;
}

.pixel-btn:hover {
    background: #FFA500;
    border-color: #FFD700;
    transform: scale(1.05);
    box-shadow: 0 0 10px #FFD700;
}

.pixel-btn:active {
    transform: scale(0.95);
}

.instructions {
    margin-top: 30px;
    text-align: left;
    background: rgba(255, 215, 0, 0.05);
    padding: 20px;
    border: 2px solid #FFD700;
}

.instructions p {
    margin: 8px 0;
    font-size: 14px;
}

.story {
    margin-top: 30px;
    text-align: left;
    background: rgba(255, 102, 0, 0.1);
    padding: 20px;
    border: 2px solid #FF6600;
}

.story p {
    margin: 10px 0;
    line-height: 1.6;
    font-size: 14px;
}

/* Level Stats */
#level-stats, #game-stats, #final-stats {
    margin: 20px 0;
    padding: 20px;
    background: rgba(255, 215, 0, 0.1);
    border: 2px solid #FFD700;
    text-align: left;
}

#level-stats p, #game-stats p, #final-stats p {
    margin: 8px 0;
    font-size: 16px;
}

.victory-message {
    margin: 20px 0;
    padding: 20px;
    background: rgba(0, 255, 0, 0.1);
    border: 2px solid #00FF00;
}

.victory-message p {
    margin: 10px 0;
    font-size: 18px;
    color: #00FF00;
}

/* HUD */
#hud {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: rgba(0, 0, 0, 0.9);
    border-top: 4px solid #FFD700;
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 10px 20px;
    z-index: 50;
    font-size: 14px;
}

#hud.hidden {
    display: none;
}

.bar-label {
    font-size: 12px;
    font-weight: bold;
    margin-bottom: 5px;
    color: #FFD700;
}

.bar-container {
    width: 150px;
    height: 20px;
    background: #333;
    border: 2px solid #FFD700;
    position: relative;
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    transition: width 0.3s;
}

#health-fill {
    background: linear-gradient(90deg, #00FF00, #FFFF00, #FF0000);
}

#armor-fill {
    background: linear-gradient(90deg, #0080FF, #00FFFF);
}

.bar-value {
    font-size: 16px;
    font-weight: bold;
    margin-top: 5px;
    text-align: center;
}

#weapon-display {
    text-align: center;
}

#weapon-name {
    font-size: 16px;
    font-weight: bold;
    color: #FFD700;
    margin-bottom: 5px;
}

#ammo-count {
    font-size: 24px;
    font-weight: bold;
    color: #FF6600;
}

#keys-display {
    display: flex;
    gap: 10px;
}

.key {
    width: 30px;
    height: 30px;
    border: 3px solid #000;
    box-shadow: 0 0 5px currentColor;
}

.key.hidden {
    display: none;
}

#yellow-key { background-color: #FFD700; }
#red-key { background-color: #FF0000; }
#blue-key { background-color: #0080FF; }

#level-display {
    text-align: center;
}

#level-name {
    font-size: 14px;
    font-weight: bold;
    color: #FFD700;
}

#face-display {
    font-size: 40px;
    filter: drop-shadow(0 0 5px #FFD700);
}

/* Mobile Controls */
#mobile-controls {
    position: fixed;
    bottom: 100px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    padding: 20px;
    z-index: 60;
    pointer-events: none;
}

#mobile-controls.hidden {
    display: none;
}

#mobile-controls * {
    pointer-events: auto;
}

.move-controls {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.horizontal-controls {
    display: flex;
    gap: 5px;
}

.action-controls {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.control-btn {
    background: rgba(255, 215, 0, 0.7);
    border: 3px solid #FFD700;
    color: #000;
    font-size: 20px;
    font-weight: bold;
    width: 60px;
    height: 60px;
    border-radius: 8px;
    cursor: pointer;
    font-family: 'Courier New', monospace;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.5);
    transition: all 0.1s;
}

.control-btn:active {
    background: #FFA500;
    transform: scale(0.95);
}

.shoot-btn {
    background: rgba(255, 0, 0, 0.7);
    border-color: #FF0000;
    color: #FFF;
    width: 80px;
    height: 80px;
    font-size: 16px;
}

/* Message Display */
#message-display {
    position: fixed;
    top: 100px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.9);
    border: 3px solid #FFD700;
    padding: 20px 40px;
    font-size: 18px;
    font-weight: bold;
    color: #FFD700;
    z-index: 200;
    box-shadow: 0 0 20px #FFD700;
    animation: messageSlide 0.3s;
}

#message-display.hidden {
    display: none;
}

/* Animations */
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes messageSlide {
    from {
        top: -100px;
        opacity: 0;
    }
    to {
        top: 100px;
        opacity: 1;
    }
}

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 32px; }
    h2 { font-size: 24px; }

    .screen {
        padding: 20px;
        max-width: 95%;
    }

    #hud {
        height: auto;
        flex-wrap: wrap;
        padding: 5px 10px;
        font-size: 10px;
    }

    .bar-container {
        width: 80px;
        height: 15px;
    }

    .bar-value {
        font-size: 12px;
    }

    #weapon-name {
        font-size: 12px;
    }

    #ammo-count {
        font-size: 16px;
    }

    .key {
        font-size: 24px;
    }

    #face-display {
        font-size: 30px;
    }

    .control-btn {
        width: 50px;
        height: 50px;
        font-size: 16px;
    }

    .shoot-btn {
        width: 70px;
        height: 70px;
        font-size: 14px;
    }
}

/* Scrollbar styling for screens */
.screen::-webkit-scrollbar {
    width: 8px;
}

.screen::-webkit-scrollbar-track {
    background: #000;
    border: 1px solid #FFD700;
}

.screen::-webkit-scrollbar-thumb {
    background: #FFD700;
}

.screen::-webkit-scrollbar-thumb:hover {
    background: #FFA500;
}