body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(to bottom, #f0f0f5, #d0d0e0);
    display: flex;
    justify-content: center;
    padding: 20px;
}

.game-container {
    max-width: 950px;
    width: 100%;
}

header {
    text-align: center;
    margin-bottom: 20px;
}

.cookie-area {
    position: relative;
    text-align: center;
    margin-bottom: 20px;
}

#cookie-btn {
    width: 180px;
    cursor: pointer;
    transition: transform 0.1s;
}

#cookie-btn:active {
    transform: scale(0.9) rotate(-10deg);
}

#floating-text-container {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    pointer-events: none;
}

.panels {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.panel {
    background: linear-gradient(135deg, #fff, #e0e0ff);
    padding: 12px;
    flex: 1 1 220px;
    min-width: 220px;
    border-radius: 12px;
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
    transition: transform 0.2s;
}

.panel:hover {
    transform: translateY(-3px);
}

button {
    cursor: pointer;
    padding: 6px 12px;
    margin: 5px 0;
    border: none;
    border-radius: 6px;
    background-color: #4CAF50;
    color: white;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: transform 0.1s, background-color 0.2s;
}

button:hover {
    background-color: #45a049;
    transform: scale(1.05);
}

#buildings-list button, #upgrades-list button {
    width: 100%;
    margin-bottom: 4px;
}

#achievements-list li, #leaderboard-list li {
    list-style: none;
    margin-bottom: 3px;
}

.floating-text {
    position: absolute;
    font-weight: bold;
    font-size: 18px;
    animation: floatUp 1s ease-out forwards;
}

@keyframes floatUp {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(-60px); opacity: 0; }
}