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

body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: #1a1a2e;
    gap: 20px;
}

h1 {
    color: #4682b4;
    font-size: 48px;
    font-family: Arial, sans-serif;
    margin: 0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

#feedBtn {
    padding: 12px 30px;
    font-size: 18px;
    background: #8b4513;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
}

#feedBtn:hover {
    background: #a0522d;
}

#feedBtn:active {
    transform: scale(0.95);
}

#tank {
    position: relative;
    width: 800px;
    height: 600px;
    background: linear-gradient(to bottom, #87ceeb 0%, #4682b4 100%);
    border: 8px solid #8b4513;
    border-radius: 10px;
    overflow: hidden;
    cursor: crosshair;
}

.goldfish {
    position: absolute;
    width: 40px;
    height: 25px;
    font-size: 30px;
    transition: transform 0.3s;
}

.flake {
    position: absolute;
    width: 8px;
    height: 8px;
    background: #8b4513;
    border-radius: 50%;
}

.dead {
    filter: grayscale(100%);
    opacity: 0.5;
}

.fade-out {
    animation: fadeOut 2s forwards;
}

@keyframes fadeOut {
    to {
        opacity: 0;
    }
}

.instructions {
    color: #87ceeb;
    font-size: 16px;
    font-family: Arial, sans-serif;
    max-width: 800px;
    text-align: center;
    margin: 0;
}

#hungerTooltip {
    position: fixed;
    display: none;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 14px;
    pointer-events: none;
    z-index: 1000;
}