styles.css

body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    margin: 0;
    background-color: #1a1a1a;
    font-family: Arial, sans-serif;
}
canvas { 
    /* border: 2px solid #333; */
    border-radius: 8px;
    display: none;
    background-color: #fff;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
    max-width: 95vw;
    height: auto;
}
#startBtn {
    padding: 15px 40px;
    font-size: 24px;
    cursor: pointer;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 25px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
}
#startBtn:hover {
    background-color: #45a049;
    transform: translateY(-2px);
}
.game-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    width: 100%;
    padding: 10px;
    box-sizing: border-box;
}
.controls {
    display: grid;
    grid-template-areas:
        '. up .'
        'left down right';
    grid-template-columns: repeat(3, 60px);
    gap: 10px;
    margin-top: 20px;
}
.control-btn {
    width: 60px;
    height: 60px;
    border: none;
    border-radius: 50%;
    background-color: #4CAF50;
    color: white;
    font-size: 24px;
    cursor: pointer;
    touch-action: manipulation;
    user-select: none;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}
.control-btn:active {
    transform: translateY(2px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}
.btn-up { grid-area: up; }
.btn-down { grid-area: down; }
.btn-left { grid-area: left; }
.btn-right { grid-area: right; }
@media (min-width: 768px) {
    .controls {
        display: none;
    }
}
.author {
    position: fixed;
    bottom: 20px;
    right: 20px;
    color: #4CAF50;
    font-size: 16px;
    font-family: Arial, sans-serif;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}
.game-cover {
    width: 280px;
    height: 280px;
    margin-bottom: 20px;
    border-radius: 15px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
    object-fit: cover;
}

@media (max-width: 320px) {
    .game-cover {
        width: 95vw;
        height: auto;
    }
}
.difficulty-select {
    display: flex;
    gap: 15px;
    margin: 20px 0;
    justify-content: center;
}
.difficulty-btn {
    padding: 10px 25px;
    font-size: 18px;
    cursor: pointer;
    border: none;
    border-radius: 15px;
    color: white;
    transition: all 0.3s ease;
}
.easy { background-color: #4CAF50; }
.normal { background-color: #FFA500; }
.hard { background-color: #FF4444; }
.difficulty-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}
.difficulty-btn.selected {
    box-shadow: 0 0 0 3px #fff, 0 0 0 6px currentColor;
}
.music-control {
    position: fixed;
    top: 20px;
    right: 20px;
    background: rgba(76, 175, 80, 0.8);
    padding: 10px;
    border-radius: 50%;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    border: none;
    transition: all 0.3s ease;
}
.music-control:hover {
    transform: scale(1.1);
    background: rgba(76, 175, 80, 1);
}
.fail-overlay {
    position: relative;
    width: 100%;
    max-width: 400px;
    margin-top: -400px;
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.9);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.fail-image {
    width: 200px;
    height: 200px;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.fail-message {
    color: #FF5252;
    font-size: 24px;
    font-weight: bold;
    text-align: center;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
    line-height: 1.5;
}

#gameCanvas {
    position: relative;
    z-index: 1;
}

.game-area {
    position: relative;
    width: 100%;
    max-width: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
}