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

body {
    font-family: 'Courier New', monospace;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #e94560;
}

.game-container {
    text-align: center;
    padding: 20px;
    max-width: 500px;
    width: 100%;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    text-shadow: 0 0 10px #e94560, 0 0 20px #e94560;
    letter-spacing: 4px;
}

.score-board {
    display: flex;
    justify-content: space-around;
    margin-bottom: 20px;
    background: rgba(0, 0, 0, 0.3);
    padding: 15px;
    border-radius: 10px;
    border: 2px solid #e94560;
}

.score-item {
    display: flex;
    flex-direction: column;
}

.score-label {
    font-size: 0.8rem;
    color: #888;
    text-transform: uppercase;
}

.score-value {
    font-size: 1.5rem;
    color: #00ff88;
    text-shadow: 0 0 5px #00ff88;
}

.canvas-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: 20px;
}

#game-canvas {
    background: #0a0a0a;
    border: 3px solid #e94560;
    border-radius: 5px;
    box-shadow: 0 0 20px rgba(233, 69, 96, 0.3);
}

.bonus-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: rgba(0, 0, 0, 0.8);
    border-radius: 5px;
    animation: bonusPulse 0.5s ease-in-out;
}

.bonus-overlay.hidden {
    display: none;
}

.bonus-overlay img {
    max-width: 150px;
    max-height: 150px;
    margin-bottom: 15px;
}

.bonus-overlay img.hidden {
    display: none;
}

#bonus-text {
    font-size: 2rem;
    color: #00ff88;
    text-shadow: 0 0 10px #00ff88, 0 0 20px #00ff88;
    animation: textGlow 0.3s ease-in-out infinite alternate;
}

@keyframes bonusPulse {
    0% { transform: scale(0.8); opacity: 0; }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes textGlow {
    from { text-shadow: 0 0 10px #00ff88, 0 0 20px #00ff88; }
    to { text-shadow: 0 0 20px #00ff88, 0 0 40px #00ff88, 0 0 60px #00ff88; }
}

.controls {
    margin-bottom: 20px;
}

.difficulty-selector {
    margin-bottom: 15px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.difficulty-selector label {
    color: #888;
    font-size: 0.9rem;
    text-transform: uppercase;
}

.difficulty-selector select {
    background: rgba(0, 0, 0, 0.5);
    color: #00ff88;
    border: 2px solid #e94560;
    padding: 8px 15px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    border-radius: 5px;
    cursor: pointer;
    outline: none;
    transition: all 0.2s;
}

.difficulty-selector select:hover {
    background: rgba(233, 69, 96, 0.2);
}

.difficulty-selector select:focus {
    box-shadow: 0 0 10px rgba(233, 69, 96, 0.5);
}

.difficulty-selector select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.difficulty-selector select option {
    background: #1a1a2e;
    color: #00ff88;
}

.control-btn {
    background: linear-gradient(180deg, #e94560 0%, #c73e54 100%);
    color: white;
    border: none;
    padding: 15px 50px;
    font-size: 1.2rem;
    font-family: 'Courier New', monospace;
    cursor: pointer;
    border-radius: 5px;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.2s;
    box-shadow: 0 4px 0 #8b2a3a, 0 6px 10px rgba(0, 0, 0, 0.3);
}

.control-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 0 #8b2a3a, 0 8px 15px rgba(0, 0, 0, 0.3);
}

.control-btn:active {
    transform: translateY(2px);
    box-shadow: 0 2px 0 #8b2a3a, 0 4px 5px rgba(0, 0, 0, 0.3);
}

.d-pad {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    margin-bottom: 20px;
}

.d-row {
    display: flex;
    gap: 60px;
}

.d-btn {
    width: 50px;
    height: 50px;
    background: rgba(233, 69, 96, 0.3);
    border: 2px solid #e94560;
    color: #e94560;
    font-size: 1.5rem;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.1s;
    display: flex;
    justify-content: center;
    align-items: center;
}

.d-btn:hover {
    background: rgba(233, 69, 96, 0.5);
}

.d-btn:active {
    background: #e94560;
    color: white;
    transform: scale(0.95);
}

.instructions {
    font-size: 0.9rem;
    color: #888;
    margin-bottom: 20px;
    line-height: 1.5;
}

.back-link {
    color: #e94560;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.back-link:hover {
    color: #00ff88;
    text-decoration: underline;
}

/* Mobile responsiveness */
@media (max-width: 480px) {
    h1 {
        font-size: 1.8rem;
    }

    .score-value {
        font-size: 1.2rem;
    }

    .control-btn {
        padding: 12px 40px;
        font-size: 1rem;
    }

    .d-btn {
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
    }

    .d-row {
        gap: 50px;
    }
}