:root {
    --header-color: rgb(85, 96, 255);
    --item-delete-color: rgb(230, 41, 47);
}


body {
    margin: 0;
    font-family: Arial, sans-serif
}

header {
    background-color: var(--header-color);
    color: white;
}

footer {
    background-color: var(--header-color);
    color: white;

    justify-content: center;
    width: 100vw;
    height: 30px;

    position: absolute;
    bottom: 0;
}

.centered-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.centered-vertical-container {
    justify-content: center;
}

.left-right-container {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-evenly;
    height: 600px;
}


.left-right-container > div {
    border: 2px solid rgb(49, 53, 126);
    border-radius: 8px;
    overflow: hidden;
}

#left-side {
    padding: 1rem;
}

#graph-data {
    width: 700px;
    height: 520px;
}


/* Left side -------------------------- */

#equation-list {
    margin: 0;
}


form input {
    height: 2rem;
    font-size: 1.5rem;
    font-weight: lighter;
    width: 11rem;
}

.wave-form-item {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 5px;

    margin: 5px;
}

button {
    background-color: var(--header-color);
    color: white;    
    font-size: 1.2rem;

    border: 0;
    border-radius: 3px;
    height: 2rem;

    cursor: pointer;
    transition: background-color 0.15s
}

button:hover {
    background-color: darkblue;
}

form select {
    height: 2rem;
}

eq-label {
    font-weight: bold;
}

#listen-button {
    display: block;
    margin: 1rem 0;
}

.waveform-item-delete {
    background-color: var(--item-delete-color);
}
.waveform-item-delete:hover {
    background-color: rgb(97, 5, 8);
}