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

body {
    background-color: #1e1e1e;
    color: #ffffff;
    font-family: 'Arial', sans-serif;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    display: flex;
    flex-direction: column;
    height: 95vh;
    width: 95vw;
    padding: 20px;
    background-color: #2d2d2d;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

#registerForm {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
    background-color: #333;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

#registerForm h2 {
    text-align: center;
    color: #fff;
    margin-bottom: 10px;
}

#registerForm input {
    padding: 10px;
    border: 2px solid #555;
    border-radius: 5px;
    background-color: #444;
    color: #fff;
    font-size: 16px;
    transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

#registerForm input:focus {
    border-color: #00aaff;
    transform: scale(1.02);
    box-shadow: 0 0 10px rgba(0, 170, 255, 0.5);
    outline: none;
}

#registerForm input::placeholder {
    color: #aaa;
}

#registerForm button {
    padding: 10px;
    border: none;
    border-radius: 5px;
    background-color: #555;
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
}

#registerForm button:hover {
    background-color: #666;
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

#registerForm button:active {
    transform: scale(0.95);
}

.controls {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    justify-content: center;
    flex-wrap: wrap;
    background-color: #333;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

#colorPicker {
    width: 50px;
    height: 50px;
    border: none;
    background: none;
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

#colorPicker:hover {
    transform: rotate(15deg) scale(1.1);
}

button {
    padding: 10px 20px;
    background-color: #555;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
    font-size: 16px;
}

button:hover {
    background-color: #666;
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

button:active {
    transform: scale(0.95);
}

#eraserButton.active {
    background-color: #ccc;
    color: #333;
    animation: pulse 1.5s infinite;
}

#drawImageButton.active {
    background-color: #ccc;
    color: #333;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(204, 204, 204, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(204, 204, 204, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(204, 204, 204, 0);
    }
}

#clearWorld:hover {
    animation: shake 0.5s;
}

@keyframes shake {
    0% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    50% { transform: translateX(5px); }
    75% { transform: translateX(-5px); }
    100% { transform: translateX(0); }
}

#drawImageButton:hover {
    animation: float 2s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
    100% { transform: translateY(0); }
}

.canvas-wrapper {
    flex: 1;
    position: relative;
    overflow: hidden;
    background-color: #2d2d2d;
    border-radius: 10px;
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.5);
}

#pixelCanvas {
    position: absolute;
    top: 0;
    left: 0;
    cursor: crosshair;
    image-rendering: pixelated;
}

.info {
    margin-top: 20px;
    text-align: center;
    font-size: 14px;
    background-color: #333;
    padding: 10px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.info p {
    margin: 5px 0;
}

@media (max-width: 768px) {
    .controls {
        flex-direction: column;
        align-items: center;
    }

    #colorPicker {
        width: 40px;
        height: 40px;
    }

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

    .info {
        font-size: 12px;
    }
}