.saco-imc-container {
    max-width: 420px;
    margin: auto;
    font-family: 'Poppins', sans-serif;
    background: #ffffff;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.saco-imc-container input {
    width: 100%;
    padding: 10px;
    margin-bottom: 12px;
    border: 1px solid #ccc;
    border-radius: 8px;
}

.saco-imc-container button {
    width: 100%;
    padding: 12px;
    background: #484282;
    border: none;
    color: #fff;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
}

.saco-barra {
    width: 100%;
    height: 18px;
    background: #F0F7FD;
    border-radius: 20px;
    margin-top: 20px;
    position: relative;
}

#saco-indicador {
    height: 100%;
    width: 0%;
    border-radius: 20px;
    transition: 0.5s;
}

.hidden { display: none; }

.saco-leyenda {
    font-size: 14px;
    margin-top: 15px;
    list-style: none;
    padding: 0;
}

.saco-leyenda li {
    display: flex;
    align-items: center;
    margin-bottom: 6px;
}

.saco-leyenda span {
    width: 16px;
    height: 16px;
    margin-right: 8px;
    border-radius: 4px;
}

/* Updated 8-level scale */
.c1 { background: #F0F7FD; }
.c2 { background: #D6E2F4; }
.c3 { background: #B7C7DB; }
.c4 { background: #788BB4; }
.c5 { background: #5D5A99; }
.c6 { background: #484282; }
.c7 { background: #2E2A61; }
.c8 { background: #151438; }