@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=Orbitron:wght@400;700&display=swap');

:root {
    /* Main colors */
    --primary-color: #0ff;
    --secondary-color: #f0f;
    --tertiary-color: #ff0;
    --background-color: #080821;
    --text-color: #fff;
    --wall-color: #2b4cff;
    --wall-glow: #5c71ff;
    
    /* UI elements */
    --button-bg: rgba(8, 8, 33, 0.8);
    --button-hover: rgba(34, 34, 90, 0.9);
    --panel-bg: rgba(10, 10, 40, 0.85);
    
    /* Effects */
    --primary-glow: 0 0 8px var(--primary-color), 0 0 20px var(--primary-color);
    --secondary-glow: 0 0 8px var(--secondary-color), 0 0 20px var(--secondary-color);
    --tertiary-glow: 0 0 8px var(--tertiary-color);
    
    /* Animations */
    --pulse-speed: 2s;
}

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

@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

body {
    background: linear-gradient(135deg, #080821 0%, #161654 50%, #080821 100%);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
    color: var(--text-color);
    font-family: 'Orbitron', sans-serif;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.game-container {
    position: relative;
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
    padding: 25px;
    background: var(--panel-bg);
    border: 2px solid var(--primary-color);
    border-radius: 15px;
    box-shadow: var(--primary-glow);
    backdrop-filter: blur(10px);
    overflow: hidden;
    box-sizing: border-box;
}

.game-container::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color), var(--tertiary-color), var(--primary-color));
    background-size: 400% 400%;
    animation: gradientBG 10s ease infinite;
    z-index: -1;
    border-radius: 17px;
}

.hud {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
    font-size: 1.2em;
    text-shadow: var(--primary-glow);
    font-family: 'Press Start 2P', cursive;
    padding: 10px 15px;
    background: var(--button-bg);
    border-radius: 8px;
    border: 1px solid var(--primary-color);
}

.score-container, .lives-container {
    position: relative;
    padding: 5px 10px;
    border-radius: 4px;
    letter-spacing: 1px;
}

.score-container::after, .lives-container::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--primary-color);
    animation: pulse var(--pulse-speed) infinite;
}

#gameCanvas {
    background: #000;
    border: 2px solid var(--primary-color);
    border-radius: 10px;
    display: block;
    margin: 0 auto;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
    transform-style: preserve-3d;
    transition: all 0.3s ease;
    max-width: 100%;
    height: auto;
}

#gameCanvas:hover {
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.5);
    transform: translateZ(5px);
}

.controls {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 25px;
    perspective: 1000px;
}

.control-btn {
    background: var(--button-bg);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-family: 'Press Start 2P', cursive;
    font-size: 0.9em;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    transform-style: preserve-3d;
    z-index: 1;
}

.control-btn:hover {
    background: var(--button-hover);
    box-shadow: var(--primary-glow);
    transform: translateY(-3px) translateZ(5px);
    color: #fff;
}

.control-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.2), transparent);
    transition: all 0.6s ease;
    z-index: -1;
}

.control-btn:hover::before {
    left: 100%;
}

#playBtn {
    border-color: var(--tertiary-color);
    color: var(--tertiary-color);
}

#playBtn:hover {
    box-shadow: var(--tertiary-glow);
}

#pauseBtn {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

#pauseBtn:hover {
    box-shadow: var(--primary-glow);
}

#restartBtn {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}

#restartBtn:hover {
    box-shadow: var(--secondary-glow);
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(8, 8, 33, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    backdrop-filter: blur(5px);
    perspective: 1000px;
}

.overlay-content {
    text-align: center;
    animation: float 3s ease-in-out infinite;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.overlay h1 {
    font-family: 'Press Start 2P', cursive;
    color: var(--tertiary-color);
    font-size: 3em;
    margin-bottom: 30px;
    text-shadow: var(--tertiary-glow);
    letter-spacing: 5px;
    transform: translateZ(20px);
    position: relative;
}

.overlay h1::before, .overlay h1::after {
    content: 'PACMAN';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.overlay h1::before {
    color: var(--secondary-color);
    transform: translateX(-5px);
    text-shadow: var(--secondary-glow);
}

.overlay h1::after {
    color: var(--primary-color);
    transform: translateX(5px);
    text-shadow: var(--primary-glow);
}

.overlay h2 {
    font-family: 'Press Start 2P', cursive;
    color: var(--primary-color);
    margin-bottom: 20px;
    text-shadow: var(--primary-glow);
    letter-spacing: 2px;
    font-size: 2em;
}

.overlay p {
    font-family: 'Orbitron', sans-serif;
    color: var(--text-color);
    margin-bottom: 30px;
    font-size: 1.2em;
    letter-spacing: 1px;
}

.hidden {
    display: none;
}

/* Scanlines effect */
.game-container::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%);
    background-size: 100% 4px;
    z-index: 2;
    pointer-events: none;
    opacity: 0.15;
}

/* Retro grid background for the game area */
#gameCanvas::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(rgba(0, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 10px 10px;
    z-index: -1;
}

.mobile-controls {
    display: none;
    margin-top: 30px;
}

.d-pad {
    position: relative;
    width: 180px;
    height: 180px;
    margin: 0 auto;
    perspective: 500px;
}

.d-pad-btn {
    position: absolute;
    width: 60px;
    height: 60px;
    background: var(--button-bg);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2em;
    user-select: none;
    transition: all 0.2s ease;
    box-shadow: 0 4px 0 rgba(0, 0, 0, 0.3);
    transform-style: preserve-3d;
}

.d-pad-btn:active {
    background: var(--button-hover);
    box-shadow: var(--primary-glow), 0 2px 0 rgba(0, 0, 0, 0.3);
    transform: translateY(2px);
}

.d-pad-btn.up { 
    top: 0; 
    left: 60px; 
    border-color: var(--tertiary-color);
    color: var(--tertiary-color);
}

.d-pad-btn.down { 
    bottom: 0; 
    left: 60px; 
    border-color: var(--tertiary-color);
    color: var(--tertiary-color);
}

.d-pad-btn.left { 
    left: 0; 
    top: 60px; 
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}

.d-pad-btn.right { 
    right: 0; 
    top: 60px; 
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}

.d-pad-btn:hover {
    transform: translateY(-3px) translateZ(5px);
    box-shadow: 0 7px 0 rgba(0, 0, 0, 0.3);
}

.d-pad-btn:active {
    transform: translateY(2px);
    box-shadow: 0 2px 0 rgba(0, 0, 0, 0.3);
}

@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    .game-container {
        padding: 15px;
    }
    
    .hud {
        font-size: 0.9em;
        margin-bottom: 15px;
    }
    
    .controls {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .control-btn {
        padding: 8px 16px;
        font-size: 0.8em;
    }
    
    .mobile-controls {
        display: block;
        margin-top: 20px;
    }
    
    .overlay h1 {
        font-size: 2em;
    }
    
    .overlay h2 {
        font-size: 1.5em;
    }
}

@media (max-width: 480px) {
    .game-container {
        padding: 10px;
    }
    
    .hud {
        font-size: 0.8em;
    }
    
    .controls {
        gap: 5px;
    }
    
    .control-btn {
        padding: 6px 12px;
        font-size: 0.7em;
    }
    
    .d-pad {
        width: 150px;
        height: 150px;
    }
    
    .d-pad-btn {
        width: 50px;
        height: 50px;
    }
    
    .d-pad-btn.up { top: 0; left: 50px; }
    .d-pad-btn.down { bottom: 0; left: 50px; }
    .d-pad-btn.left { left: 0; top: 50px; }
    .d-pad-btn.right { right: 0; top: 50px; }
}