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

body {
    font-family: 'Courier New', monospace;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a0a2e 50%, #0a0a0a 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    overflow-x: hidden;
    overflow-y: auto;
    transition: transform 0.05s;
}


body.death-shake {
    animation: deathShake 0.6s ease-in-out;
}


@keyframes deathShake {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    5% { transform: translate(-12px, 6px) rotate(-1.5deg); }
    10% { transform: translate(12px, -6px) rotate(1.5deg); }
    15% { transform: translate(-10px, 8px) rotate(-1deg); }
    20% { transform: translate(10px, -8px) rotate(1deg); }
    25% { transform: translate(-8px, 6px) rotate(-0.8deg); }
    30% { transform: translate(8px, -6px) rotate(0.8deg); }
    35% { transform: translate(-6px, 4px) rotate(-0.6deg); }
    40% { transform: translate(6px, -4px) rotate(0.6deg); }
    45% { transform: translate(-4px, 3px) rotate(-0.4deg); }
    50% { transform: translate(4px, -3px) rotate(0.4deg); }
    60% { transform: translate(-3px, 2px) rotate(-0.2deg); }
    70% { transform: translate(3px, -2px) rotate(0.2deg); }
    80% { transform: translate(-2px, 1px) rotate(-0.1deg); }
    90% { transform: translate(1px, -1px) rotate(0.05deg); }
}

.container {
    transition: none;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(255, 0, 255, 0.1) 0%, transparent 50%);
    animation: pulse 4s ease-in-out infinite;
    pointer-events: none;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.container {
    position: relative;
    text-align: center;
    z-index: 1;
    padding: 20px;
    max-width: 95vw;
    margin: 0 auto;
}

.page-frame {
    position: relative;
    width: 100%;
}

.logo-container {
    display: flex;
    justify-content: center;
    margin-bottom: 10px;
}

.game-logo {
    width: 100px;
    height: 100px;
}

.logo-top-left {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 999;
}

.logo-top-left a {
    cursor: pointer;
    display: block;
}

.game-logo-small {
    width: 60px;
    height: 60px;
    filter: drop-shadow(0 0 15px rgba(0, 255, 255, 0.4)) 
            drop-shadow(0 0 30px rgba(255, 0, 255, 0.2));
    animation: logoFloat 3s ease-in-out infinite;
}

.github-logo {
    animation: none !important;
    transform: none !important;
}

.neon-title {
    font-size: 3.5rem;
    font-weight: bold;
    color: #fff;
    text-shadow: 
        0 0 10px #00ffff,
        0 0 20px #00ffff,
        0 0 30px #00ffff,
        0 0 40px #00ffff,
        0 0 70px #00ffff,
        0 0 80px #00ffff,
        0 0 100px #00ffff;
    animation: flicker 3s infinite alternate;
    margin-bottom: 20px;
    letter-spacing: 8px;
}

@keyframes flicker {
    0%, 18%, 22%, 25%, 53%, 57%, 100% {
        text-shadow: 
            0 0 10px #00ffff,
            0 0 20px #00ffff,
            0 0 30px #00ffff,
            0 0 40px #00ffff,
            0 0 70px #00ffff,
            0 0 80px #00ffff,
            0 0 100px #00ffff;
    }
    20%, 24%, 55% {
        text-shadow: none;
    }
}

.score-board {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.score-item {
    background: rgba(0, 0, 0, 0.5);
    padding: 15px 30px;
    border-radius: 10px;
    border: 2px solid #ff00ff;
    box-shadow: 
        0 0 10px #ff00ff,
        inset 0 0 10px rgba(255, 0, 255, 0.2);
}

.score-item .label {
    display: block;
    font-size: 0.8rem;
    color: #ff00ff;
    margin-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.score-item .value {
    display: block;
    font-size: 2rem;
    font-weight: bold;
    color: #00ffff;
    text-shadow: 0 0 10px #00ffff;
}

.game-container {
    position: relative;
    display: inline-block;
    margin: 0 auto;
    max-width: 90vw;
}

#gameCanvas {
    border: 3px solid #00ffff;
    border-radius: 10px;
    box-shadow: 
        0 0 20px #00ffff,
        0 0 40px #00ffff,
        inset 0 0 20px rgba(0, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.8);
    display: block;
    max-width: 100%;
    height: auto;
}

.neon-text {
    font-size: 3rem;
    color: #fff;
    text-shadow: 
        0 0 10px #ff00ff,
        0 0 20px #ff00ff,
        0 0 30px #ff00ff,
        0 0 40px #ff00ff;
    margin-bottom: 20px;
    letter-spacing: 4px;
}

.neon-button {
    background: transparent;
    border: 3px solid #00ffff;
    color: #00ffff;
    padding: 15px 40px;
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 3px;
    transition: all 0.3s ease;
    font-family: 'Courier New', monospace;
    box-shadow: 
        0 0 10px #00ffff,
        inset 0 0 10px rgba(0, 255, 255, 0.1);
}

.neon-button.small {
    padding: 8px 14px;
    font-size: 0.9rem;
    border-radius: 20px;
}

.neon-button.active {
    background: #00ffff;
    color: #000;
}

.audio-controls {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-bottom: 24px;
    width: 100%;
    margin-top: 20px;
    flex-wrap: wrap;
}

.audio-controls .audio-switches {
    display: flex;
    flex-direction: row;
    gap: 24px;
}

.audio-switch {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
}

.switch-label {
    color: #00ffff;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-shadow: 0 0 5px #00ffff;
}

.audio-switch input[type="checkbox"] {
    display: none;
}

.slider {
    position: relative;
    width: 50px;
    height: 26px;
    background: rgba(0, 0, 0, 0.6);
    border: 2px solid #666;
    border-radius: 26px;
    transition: all 0.3s ease;
}

.slider:before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    left: 2px;
    top: 2px;
    background: #666;
    border-radius: 50%;
    transition: all 0.3s ease;
    box-shadow: 0 0 5px rgba(0,0,0,0.5);
}

.audio-switch input:checked + .slider {
    background: rgba(0, 255, 255, 0.2);
    border-color: #00ffff;
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.audio-switch input:checked + .slider:before {
    transform: translateX(24px);
    background: #00ffff;
    box-shadow: 0 0 10px #00ffff;
}

.neon-button:hover {
    background: #00ffff;
    color: #000;
    box-shadow: 
        0 0 20px #00ffff,
        0 0 40px #00ffff,
        inset 0 0 20px rgba(0, 255, 255, 0.5);
    /*transform: scale(1.05);*/
}

.neon-button:active {
    transform: scale(0.95);
}

.start-screen, .game-over {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border-radius: 10px;
    z-index: 10;
}

.instructions {
    color: #00ffff;
    font-size: 1rem;
    margin-bottom: 30px;
    max-width: 300px;
    line-height: 1.6;
}

.difficulty-selector {
    margin-bottom: 30px;
    padding: 20px;
}

.difficulty-selector h3 {
    color: #ff00ff;
    font-size: 1.2rem;
    margin-bottom: 20px;
    letter-spacing: 2px;
    text-shadow: 0 0 10px #ff00ff;
}

.difficulty-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
}

.difficulty-btn {
    background: rgba(0, 0, 0, 0.7);
    border: 2px solid #666;
    color: #999;
    padding: 15px 25px;
    cursor: pointer;
    border-radius: 10px;
    transition: all 0.3s ease;
    font-family: 'Courier New', monospace;
    display: flex;
    flex-direction: column;
    gap: 5px;
    min-width: 120px;
}

.difficulty-btn .diff-name {
    font-size: 1rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.difficulty-btn .diff-desc {
    font-size: 0.7rem;
    opacity: 0.7;
}

.difficulty-btn:hover {
    border-color: #00ffff;
    color: #00ffff;
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
}

.difficulty-btn.active {
    border-color: #00ffff;
    color: #00ffff;
    background: rgba(0, 255, 255, 0.1);
    box-shadow: 
        0 0 20px rgba(0, 255, 255, 0.5),
        inset 0 0 20px rgba(0, 255, 255, 0.1);
}

.final-score, .final-level {
    font-size: 1.5rem;
    color: #ff00ff;
    margin-bottom: 15px;
    text-shadow: 0 0 10px #ff00ff;
}

.final-score span, .final-level span {
    color: #00ffff;
    font-size: 2rem;
    font-weight: bold;
    text-shadow: 0 0 10px #00ffff;
}

.hidden {
    display: none !important;
}

.controls-info {
    margin-top: 30px;
    color: #666;
    font-size: 0.9rem;
}

.controls-info p {
    background: rgba(0, 0, 0, 0.5);
    padding: 10px 20px;
    border-radius: 20px;
    display: inline-block;
}

.github-link {
    position: absolute;
    right: 0;
    bottom: 20px;
    z-index: 1000;
    margin: 0;
    padding: 0;
    width: auto;
    display: flex;
    align-items: center;
    transition: transform 0.15s ease;
}

.github-link img,
.github-logo {
    display: block;
    margin: 0;
    padding: 0;
}


@media (max-width: 768px) {
    .neon-title {
        font-size: 2.5rem;
    }
    
    .score-board {
        gap: 15px;
    }
    
    .score-item {
        padding: 10px 20px;
    }
    
    .neon-text {
        font-size: 2rem;
    }
    
    .difficulty-buttons {
        flex-direction: column;
    }
    
    .difficulty-btn {
        min-width: 200px;
    }
}