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

html, body {
    height: 100%;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Segoe UI', sans-serif;
    background-color: #0f172a;
}

#main {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

#pannel {
    height: 90%;
    width: 90%;
    background-color: #1e293b;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

#toppannel {
    height: 18%;
    width: 100%;
    background-color: #6f95d3;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 30px;
    color: white;
}

.elem {
    width: 30%;
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 10px 20px;
}

.box {
    padding: 10px 20px;
    background-color: white;
    border-radius: 20px;
    color: black;
    font-weight: bold;
}

#btmpannel {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    gap: 10px;
    flex-wrap: wrap;
}

.bubble {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: #f1f5f9;
    font-weight: bold;
    font-size: 1.1rem;
    border-radius: 50%;
    background-color: #38bdf8;
    box-shadow: 0 4px 8px rgba(56, 189, 248, 0.3);
    transition: 0.2s;
    cursor: pointer;
}

.bubble:hover {
    background-color: #16a34a;
    transform: scale(1.1);
}

/* .bubble{
    display: flex; (here you were doing the display flex but you had to do it in the btmplane)
} */
#footer {
    margin-top: 10px;
    color: #94a3b8;
    font-size: 0.9rem;
    text-align: center;
}