body {
    background-color: #ffe066;
    background-image:
        radial-gradient(circle, #fffbe6 12px, transparent 14px),
        linear-gradient(135deg, #f7e9b7 0%, #ffe066 100%);
    background-size: 48px 48px, 100% 100%;
    background-position: 0 0, 0 0;
    margin: 0;
    font-family: 'Arial', sans-serif;
    min-height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
}


#game-row {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: flex-start;
    gap: 48px;
    margin-top: 40px;
}

#clicker-ui {
    max-width: 420px;
    background: #fffbe6;
    border-radius: 18px;
    box-shadow: 0 8px 32px #e6c97a;
    padding: 32px 36px 28px 36px;
    color: #8b0000;
    font-size: 20px;
    text-align: center;
    margin-bottom: 0;
    margin-top: 0;
    margin-left: 0;
    margin-right: 0;
    z-index: 2;
    position: relative;
    border: 2px solid #ffe066;
}

#instructions {
    margin: 32px 0 0 0;
    max-width: 600px;
    background: #fffbe6;
    border-radius: 18px;
    box-shadow: 0 8px 32px #e6c97a;
    padding: 32px 40px 24px 40px;
    color: #8b0000;
    font-size: 20px;
    letter-spacing: 0.5px;
    text-align: center;
    z-index: 1;
    position: relative;
    border: 2px solid #ffe066;
}

#upgrades {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 24px;
}

.upgrade-btn {
    background: linear-gradient(90deg, #ffe066 60%, #fffbe6 100%);
    border: 2px solid #e6c97a;
    border-radius: 12px;
    padding: 14px 32px;
    font-size: 18px;
    color: #8b0000;
    cursor: pointer;
    box-shadow: 0 4px 16px #e6c97a;
    transition: background 0.2s, box-shadow 0.2s;
    font-weight: bold;
    letter-spacing: 0.5px;
    outline: none;
    margin: 0 auto;
    width: 220px; 
}
.upgrade-btn:disabled {
    background: #e6c97a;
    color: #aaa;
    cursor: not-allowed;
    border: 2px solid #ffe066;
}

#score {
    font-size: 36px;
    font-weight: bold;
    color: #d2691e;
    margin-bottom: 20px;
    text-shadow: 0 2px 8px #ffe066;
}

#final-message {
    font-size: 28px;
    color: #175398;
    margin-top: 32px;
    font-weight: bold;
    text-shadow: 0 2px 8px #ffe066;
}