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

body {
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #90EE90 0%, #7CCD7C 50%, #98FB98 100%);
    background-attachment: fixed;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 5px;
    position: relative;
    overflow: hidden;
}

/* Grass texture overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(0,100,0,0.2), rgba(0,100,0,0) 2px),
        radial-gradient(2px 2px at 60px 70px, rgba(0,100,0,0.1), rgba(0,100,0,0) 2px),
        radial-gradient(1px 1px at 50px 50px, rgba(0,80,0,0.3), rgba(0,80,0,0) 1px),
        radial-gradient(1px 1px at 130px 80px, rgba(0,120,0,0.2), rgba(0,120,0,0) 1px),
        radial-gradient(2px 2px at 90px 10px, rgba(0,100,0,0.2), rgba(0,100,0,0) 2px);
    background-repeat: repeat;
    background-size: 200px 200px;
    pointer-events: none;
    z-index: -1;
}

#game-container {
    text-align: center;
    background-color: #222;
    border-radius: 10px;
    padding: 15px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    max-width: 560px;
    width: 100%;
}

h1 {
    color: #4CAF50;
    margin-bottom: 15px;
    font-size: 1.8em;
}

#gameCanvas {
    border: 3px solid #4CAF50;
    background-color: #0d0d0d;
    display: block;
    margin: 0 auto 15px;
    border-radius: 5px;
    box-shadow: inset 0 0 10px rgba(76, 175, 80, 0.3);
    width: 100%;
    height: auto;
}

#controls {
    color: #4CAF50;
    font-size: 0.9em;
    margin-bottom: 15px;
}

#controls p {
    margin: 10px 0;
}

#button-container {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

button {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 12px 20px;
    font-size: 0.95em;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
    flex: 1;
    min-width: 120px;
}

button:hover:not(:disabled) {
    background-color: #45a049;
}

button:active:not(:disabled) {
    transform: scale(0.98);
}

button:disabled {
    background-color: #999;
    cursor: not-allowed;
    opacity: 0.6;
}

#hintBtn {
    background-color: #FFA500;
}

#hintBtn:hover:not(:disabled) {
    background-color: #FF8C00;
}

#adBtn {
    background-color: #2196F3;
    flex: 0.8;
}

#adBtn:hover {
    background-color: #0b7dda;
}

#giveUpBtn {
    background-color: #FF6B6B;
}

#giveUpBtn:hover {
    background-color: #FF4444;
}

@media (max-width: 600px) {
    #game-container {
        padding: 10px;
        border-radius: 5px;
    }
    
    h1 {
        font-size: 1.5em;
        margin-bottom: 10px;
    }
    
    button {
        padding: 10px 15px;
        font-size: 0.85em;
        min-width: 100px;
    }
}