body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    background: linear-gradient(135deg, #87CEEB 0%, #98FB98 100%);
    background-attachment: fixed;
}

#game-container {
    text-align: center;
    background-color: rgba(255, 255, 255, 0.9);
    padding: 20px;
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.37);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    max-width: 450px;
    width: 100%;
    position: relative;
}

#game-ui {
    position: absolute;
    top: 68%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    z-index: 10;
}

button {
    padding: 12px 24px;
    margin: 5px;
    font-size: 16px;
    cursor: pointer;
    background: linear-gradient(135deg, #4CAF50, #45a049);
    color: white;
    border: none;
    border-radius: 25px;
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
    transition: all 0.3s ease;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
}

button:hover {
    background: linear-gradient(135deg, #45a049, #4CAF50);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
}

button:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(76, 175, 80, 0.3);
}

button:disabled {
    background: #cccccc;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

#start-game-btn {
    background: linear-gradient(135deg, #FF5722, #E64A19);
    box-shadow: 0 4px 15px rgba(255, 87, 34, 0.3);
}

#start-game-btn:hover {
    background: linear-gradient(135deg, #E64A19, #FF5722);
    box-shadow: 0 6px 20px rgba(255, 87, 34, 0.4);
}

#restart-btn {
    background: linear-gradient(135deg, #2196F3, #1976D2);
    box-shadow: 0 4px 15px rgba(33, 150, 243, 0.3);
}

#restart-btn:hover {
    background: linear-gradient(135deg, #1976D2, #2196F3);
    box-shadow: 0 6px 20px rgba(33, 150, 243, 0.4);
}

#play-again-btn {
    background: linear-gradient(135deg, #2196F3, #1976D2);
    box-shadow: 0 4px 15px rgba(33, 150, 243, 0.3);
}

#play-again-btn:hover {
    background: linear-gradient(135deg, #1976D2, #2196F3);
    box-shadow: 0 6px 20px rgba(33, 150, 243, 0.4);
}

#score-display {
    font-size: 18px;
    margin: 10px 0;
}

#game-canvas {
    border: 2px solid #333;
    background-color: #87CEEB;
    aspect-ratio: 400 / 600;
    width: 100%;
    height: auto;
}

#game-over {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(255, 255, 255, 0.9);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

footer {
    margin-top: 20px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 10px;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.9);
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

footer a {
    margin: 0 10px;
    color: #333;
    font-size: 24px;
    text-decoration: none;
}

footer a:hover {
    color: #4CAF50;
}


/* Start Screen */
#start-screen {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    background-color: rgba(255, 255, 255, 0.95);
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.37);
    z-index: 20;
    animation: fadeIn 1s ease-in-out;
}

#start-screen h2 {
    font-size: 2.5em;
    margin-bottom: 20px;
    color: #333;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

#start-screen p {
    font-size: 1.2em;
    margin-bottom: 30px;
    color: #666;
}



/* Game Over Screen Animation */
#game-over {
}

#game-over h2 {
    font-size: 2em;
    margin-bottom: 20px;
    color: #d32f2f;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translate(-50%, -60%); }
    to { opacity: 1; transform: translate(-50%, -50%); }
}

@keyframes slideIn {
    from { opacity: 0; transform: translate(-50%, -60%); }
    to { opacity: 1; transform: translate(-50%, -50%); }
}

@keyframes bounceIn {
    0% { opacity: 0; transform: translate(-50%, -50%) scale(0.3); }
    50% { opacity: 1; transform: translate(-50%, -50%) scale(1.05); }
    70% { transform: translate(-50%, -50%) scale(0.9); }
    100% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

/* Responsiveness */
@media (max-width: 768px) {
    #game-container {
        padding: 10px;
    }

    #game-canvas {
        width: 100%;
        max-width: 400px;
        height: auto;
    }

    button {
        padding: 8px 16px;
        font-size: 20px;
        margin: 5px;
    }

    #score-display {
        font-size: 16px;
    }

    footer {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 10px;
        text-align: center;
    }

    footer a {
        font-size: 20px;
        margin: 0 5px;
    }

    #start-screen {
        padding: 20px;
        width: 90%;
        max-width: 300px;
    }

    #start-screen h2 {
        font-size: 2em;
    }

    #start-screen p {
        font-size: 1em;
    }
}

@media (max-width: 480px) {
    #game-ui {
        flex-direction: row;
        gap: 25px;  /* Increased gap for better spacing */
        top: 68%;  /* Adjusted top position to avoid overlap with canvas */
    }

    button {
        width: 100%;
        max-width: 220px;  /* Increased max-width for better touch targets */
        padding: 12px 24px;  /* Increased padding to meet 50px touch target guidelines */
        font-size: 16px;  /* Increased font-size for readability and usability */
        min-height: 50px;  /* Ensure minimum height for touch targets */
    }

    #score-display {
        font-size: 14px;
    }

    #start-screen {
        padding: 15px;
    }

    #start-screen h2 {
        font-size: 1.8em;
    }

    #settings-panel {
        width: 90%;
        max-width: 250px;
    }
}

@media (max-width: 320px) {
    #game-container {
        padding: 5px;
    }

    #game-ui {
        gap: 10px;
    }

    button {
        padding: 8px 16px;
        font-size: 14px;
        min-height: 40px;
    }

    #score-display {
        font-size: 12px;
    }

    #start-screen {
        padding: 10px;
    }

    #start-screen h2 {
        font-size: 1.5em;
    }

    #start-screen p {
        font-size: 0.9em;
    }

    footer {
        padding: 10px;
    }

    footer a {
        font-size: 18px;
        margin: 0 3px;
    }
}