/* PaddlePulse - Retro Synthwave Arcade Theme */

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

:root {
    /* Synthwave Color Palette */
    --neon-pink: #ff006e;
    --neon-purple: #8338ec;
    --neon-blue: #00d9ff;
    --neon-cyan: #00ffff;
    --neon-yellow: #ffbe0b;
    --dark-purple: #1a0033;
    --dark-blue: #0a0520;
    --grid-color: rgba(255, 0, 110, 0.3);
    --glow-pink: rgba(255, 0, 110, 0.6);
    --glow-blue: rgba(0, 217, 255, 0.6);
    --glass-bg: rgba(26, 0, 51, 0.4);
    --glass-border: rgba(255, 0, 110, 0.3);
}

body {
    font-family: 'Orbitron', 'Exo 2', monospace;
    background: linear-gradient(180deg, var(--dark-blue) 0%, var(--dark-purple) 100%);
    background-attachment: fixed;
    color: var(--neon-cyan);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    will-change: scroll-position;
    transform: translateZ(0);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Static Background Grid */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 0, 110, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 0, 110, 0.08) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
    opacity: 0.5;
    will-change: auto;
    transform: translateZ(0);
}

/* Static Stars */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(1px 1px at 20% 30%, white, transparent),
        radial-gradient(1px 1px at 60% 70%, var(--neon-blue), transparent),
        radial-gradient(1px 1px at 50% 50%, var(--neon-pink), transparent),
        radial-gradient(1px 1px at 80% 10%, var(--neon-cyan), transparent),
        radial-gradient(1px 1px at 90% 60%, white, transparent),
        radial-gradient(1px 1px at 33% 80%, var(--neon-purple), transparent);
    background-size: 100% 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.6;
    will-change: auto;
    transform: translateZ(0);
}

.game-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
    transform: translateZ(0);
}

/* Header Styles */
.game-header {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2.5rem 2rem;
    background: rgba(26, 0, 51, 0.6);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 2px solid var(--neon-pink);
    box-shadow: 
        0 0 20px var(--glow-pink),
        inset 0 0 20px rgba(255, 0, 110, 0.1);
    position: relative;
    overflow: hidden;
}


.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.logo i {
    font-size: 4rem;
    color: var(--neon-pink);
    filter: drop-shadow(0 0 15px var(--glow-pink));
}

.logo h1 {
    font-family: 'Orbitron', monospace;
    font-size: 4rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple), var(--neon-blue));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 15px var(--glow-pink));
    letter-spacing: 0.15em;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--neon-cyan);
    text-transform: uppercase;
    letter-spacing: 0.3em;
    font-weight: 400;
    text-shadow: 0 0 10px var(--glow-blue);
    position: relative;
    z-index: 1;
}

/* Menu Styles */
.game-menu {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.menu-content {
    width: 100%;
    max-width: 700px;
    background: rgba(26, 0, 51, 0.7);
    padding: 3rem;
    border-radius: 20px;
    border: 2px solid var(--neon-purple);
    box-shadow: 
        0 0 30px var(--glow-pink),
        inset 0 0 30px rgba(131, 56, 236, 0.2);
    backdrop-filter: blur(15px);
}

.menu-content h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--neon-pink);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    text-shadow: 0 0 15px var(--glow-pink);
}

.menu-content h2 i {
    margin-right: 1rem;
    color: var(--neon-blue);
}

.menu-content h3 {
    font-size: 1.3rem;
    margin: 2rem 0 1rem;
    color: var(--neon-cyan);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    text-shadow: 0 0 10px var(--glow-blue);
}

.menu-content h3 i {
    margin-right: 0.75rem;
    color: var(--neon-purple);
}

/* Menu Buttons */
.menu-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.menu-btn {
    padding: 2rem 2rem;
    background: linear-gradient(135deg, var(--dark-purple), var(--dark-blue));
    border: 2px solid var(--neon-pink);
    border-radius: 15px;
    color: var(--neon-cyan);
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    box-shadow: 0 0 15px rgba(255, 0, 110, 0.3);
    transform: translateZ(0);
    will-change: transform;
}


.menu-btn:hover {
    transform: translateY(-5px);
    border-color: var(--neon-blue);
    box-shadow: 
        0 0 30px var(--glow-pink),
        0 0 40px var(--glow-blue);
    background: linear-gradient(135deg, rgba(255, 0, 110, 0.2), rgba(0, 217, 255, 0.2));
}

.menu-btn.primary {
    border-color: var(--neon-pink);
}

.menu-btn.secondary {
    border-color: var(--neon-purple);
}

.menu-btn i {
    font-size: 2.5rem;
    color: var(--neon-pink);
    filter: drop-shadow(0 0 10px var(--glow-pink));
}

.menu-btn small {
    font-size: 0.8rem;
    color: var(--neon-cyan);
    opacity: 0.8;
    text-transform: none;
    letter-spacing: 0.05em;
}

/* Difficulty Selector */
.difficulty-selector {
    margin-bottom: 2rem;
}

.difficulty-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
}

.difficulty-btn {
    padding: 1rem;
    background: rgba(10, 5, 32, 0.8);
    border: 2px solid rgba(131, 56, 236, 0.5);
    border-radius: 10px;
    color: var(--neon-purple);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transform: translateZ(0);
}

.difficulty-btn:hover {
    border-color: var(--neon-purple);
    background: rgba(131, 56, 236, 0.2);
    box-shadow: 0 0 15px rgba(131, 56, 236, 0.5);
}

.difficulty-btn.active {
    background: linear-gradient(135deg, var(--neon-purple), var(--neon-pink));
    color: white;
    border-color: var(--neon-pink);
    box-shadow: 0 0 20px var(--glow-pink);
}

/* Settings */
.game-settings {
    margin-bottom: 1rem;
}

.setting-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: rgba(10, 5, 32, 0.6);
    border-radius: 10px;
    border: 1px solid rgba(0, 217, 255, 0.3);
}

.setting-row label {
    color: var(--neon-cyan);
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.setting-row input[type="range"] {
    flex: 1;
    margin: 0 1rem;
    height: 6px;
    background: linear-gradient(90deg, var(--neon-purple), var(--neon-pink));
    border-radius: 5px;
    outline: none;
    cursor: pointer;
}

.setting-row input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--neon-pink);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px var(--glow-pink);
}

.setting-row input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--neon-pink);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: 0 0 10px var(--glow-pink);
}

.setting-row input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--neon-pink);
    cursor: pointer;
}

.setting-row span {
    min-width: 30px;
    text-align: center;
    color: var(--neon-pink);
    font-weight: 700;
    font-size: 1.1rem;
}

/* Game Area */
.game-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
}

.hidden {
    display: none !important;
}

/* Score Display */
.score-display {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 2rem;
    align-items: center;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: rgba(26, 0, 51, 0.7);
    border-radius: 15px;
    border: 2px solid var(--neon-pink);
    box-shadow: 0 0 20px var(--glow-pink);
}

.player-score {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.player-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--neon-cyan);
    font-size: 1.1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.player-info i {
    font-size: 1.5rem;
    color: var(--neon-pink);
}

.score {
    font-size: 3rem;
    font-weight: 900;
    font-family: 'Orbitron', monospace;
    background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 20px var(--glow-pink);
}

.game-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.game-status {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--neon-blue);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    text-shadow: 0 0 15px var(--glow-blue);
}

.countdown {
    font-size: 2.5rem;
    font-weight: 900;
    font-family: 'Orbitron', monospace;
    color: var(--neon-yellow);
    text-shadow: 0 0 20px rgba(255, 190, 11, 0.8);
}

/* Canvas - Much Larger and Responsive */
#gameCanvas {
    width: 100%;
    max-width: 100%;
    height: auto;
    aspect-ratio: 2 / 1;
    margin: 0 auto 2rem;
    background: rgba(10, 5, 32, 0.9);
    border-radius: 15px;
    border: 3px solid var(--neon-blue);
    box-shadow: 
        0 0 30px var(--glow-blue),
        inset 0 0 30px rgba(0, 217, 255, 0.1);
    display: block;
    transform: translateZ(0);
    will-change: auto;
    image-rendering: crisp-edges;
    image-rendering: -moz-crisp-edges;
    image-rendering: -webkit-optimize-contrast;
}

/* Controls Info */
.controls-info {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 2rem;
    align-items: center;
    padding: 1.5rem;
    background: rgba(26, 0, 51, 0.5);
    border-radius: 15px;
    border: 1px solid var(--neon-purple);
}

.control-set {
    text-align: center;
}

.control-set h4 {
    color: var(--neon-pink);
    font-size: 1rem;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-shadow: 0 0 10px var(--glow-pink);
}

.keys {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    color: var(--neon-cyan);
    font-size: 0.95rem;
}

.keys kbd {
    background: linear-gradient(135deg, var(--neon-purple), var(--neon-pink));
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    box-shadow: 0 0 10px var(--glow-pink);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

/* Action Buttons */
.game-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.action-btn {
    padding: 0.75rem 1.5rem;
    background: rgba(10, 5, 32, 0.8);
    border: 2px solid var(--neon-purple);
    border-radius: 10px;
    color: var(--neon-cyan);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transform: translateZ(0);
    will-change: transform;
}

.action-btn:hover {
    background: rgba(131, 56, 236, 0.3);
    border-color: var(--neon-pink);
    box-shadow: 0 0 15px var(--glow-pink);
    transform: translateY(-2px);
}

.action-btn i {
    color: var(--neon-pink);
}

/* Game Over Screen */
.game-over {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 5, 32, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 2rem;
}

.game-over-content {
    max-width: 600px;
    width: 100%;
    background: rgba(26, 0, 51, 0.9);
    padding: 3rem;
    border-radius: 20px;
    border: 3px solid var(--neon-pink);
    box-shadow: 0 0 40px var(--glow-pink);
    text-align: center;
}

.winner-display {
    margin-bottom: 2rem;
}

.winner-display i {
    font-size: 4rem;
    color: var(--neon-yellow);
    filter: drop-shadow(0 0 20px rgba(255, 190, 11, 0.8));
    margin-bottom: 1rem;
}

.winner-display h2 {
    font-size: 2.5rem;
    color: var(--neon-pink);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    text-shadow: 0 0 20px var(--glow-pink);
}

.final-score {
    font-size: 3rem;
    font-weight: 900;
    font-family: 'Orbitron', monospace;
    background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple), var(--neon-pink));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px var(--glow-blue);
}

/* Game Stats */
.game-stats {
    margin: 2rem 0;
}

.game-stats h3 {
    font-size: 1.5rem;
    color: var(--neon-cyan);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    text-shadow: 0 0 15px var(--glow-blue);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-item {
    background: rgba(10, 5, 32, 0.8);
    padding: 1.25rem;
    border-radius: 12px;
    border: 2px solid var(--neon-purple);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--neon-cyan);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.stat-value {
    font-size: 2rem;
    font-weight: 900;
    font-family: 'Orbitron', monospace;
    color: var(--neon-pink);
    text-shadow: 0 0 15px var(--glow-pink);
}

/* Game Over Actions */
.game-over-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

/* Pause Screen */
.pause-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 5, 32, 0.95);
    backdrop-filter: blur(10px);
    z-index: 999;
}

.pause-content {
    background: rgba(26, 0, 51, 0.9);
    padding: 3rem;
    border-radius: 20px;
    border: 3px solid var(--neon-blue);
    box-shadow: 0 0 40px var(--glow-blue);
    text-align: center;
}

.pause-content h2 {
    font-size: 2.5rem;
    color: var(--neon-blue);
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    text-shadow: 0 0 20px var(--glow-blue);
}

.pause-content h2 i {
    margin-right: 1rem;
}

.pause-actions {
    display: flex;
    gap: 1.5rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .logo h1 {
        font-size: 2.5rem;
    }
    
    .logo i {
        font-size: 2.5rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .menu-content {
        padding: 2rem 1.5rem;
    }
    
    .menu-buttons {
        grid-template-columns: 1fr;
    }
    
    .difficulty-buttons {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .score-display {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .controls-info {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .game-actions {
        flex-direction: column;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .game-over-actions,
    .pause-actions {
        flex-direction: column;
    }
    
    .menu-btn,
    .action-btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 2rem;
    }
    
    .menu-content h2 {
        font-size: 1.5rem;
    }
    
    .score {
        font-size: 2rem;
    }
    
    .final-score {
        font-size: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}