kbd {
    position: relative;
    top: -3px;

    display: inline-block;
    width: fit-content;

    color: var(--text-color);
    background-color: var(--background-color);

    border-radius: 0.25rem;
    border: 1px solid var(--shadow-color);
    padding: 2px 5px;

    box-shadow: 0 2px 0 1px var(--shadow-color);

    font-size: 0.8rem;
    text-align: center;
    line-height: 0.8rem;

    cursor: default;
    user-select: none;
}

kbd:hover {
    top: -1px;
    box-shadow: 0 1px 0 0.5px var(--shadow-color);
}

.input {
    width: 8rem;
    height: 1rem;

    background-color: rgba(0, 0, 0, 0.1);

    padding: 0.4rem 1rem;
    line-height: 1rem;
    font-size: 1rem;
    letter-spacing: 1px;

    border-radius: var(--border-radius);

    overflow: scroll;
    white-space: nowrap;
}

.input[contenteditable=true]:empty:before {
    display: block; /* For Firefox */

    content: attr(placeholder);
    pointer-events: none;
}

.toggle-container {
    width: 50px;
    height: 29px;
    border-radius: 19px;
}

.toggle-container[data-is-on="false"] {
    background-color: rgba(0, 0, 0, 0.1);
}

.toggle-container[data-is-on="true"] {
    background-color: var(--tint-color);
}

.toggle-trigger {
    position: relative;
    top: 1.5px;

    width: 26px;
    height: 26px;
    background-color: var(--background-color);
    box-shadow: 0px 1px 1px var(--shadow-color);

    border-radius: 50%;

    transition: left 0.2s ease-in-out;
}

.toggle-container[data-is-on="false"] > .toggle-trigger {
    left: 1.5px;
}

.toggle-container[data-is-on="true"] > .toggle-trigger {
    left: 22.5px; /* 50px - 1.5px - 26px */
}

.key-reader-container {
    width: 8rem;

    padding: 0.2rem 1rem;

    background-color: rgba(0, 0, 0, 0.1);
    border-radius: var(--border-radius);

    color: transparent;
    caret-color: transparent;

    cursor: pointer;
}

.popup-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;

    backdrop-filter: blur(5px);

    opacity: 0.0;
    z-index: 1002;

    transition: opacity 0.3s;
}

.popup {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1.0rem;

    position: absolute;
    left: 50vw;
    top: 50vh;

    transform: translate(-50%, -50%);

    width: 18rem;
    max-width: 25vw;

    padding: 0.5rem 2rem;
    box-shadow: 0 0 12px var(--shadow-color);
}

.popup-title-label {
    font-size: 1.8rem;
    font-weight: 500;
    letter-spacing: 2px;
}

.popup-button {
    width: 25%;

    background-color: var(--tint-color);
    border: 3px solid var(--tint-color);
    border-radius: var(--border-radius);

    cursor: pointer;
}

.popup-button.disabled {
    opacity: 0.6;
    cursor: default;
}

.popup-button path {
    fill: var(--background-color);
}

.popup-buttons-container {
    display: flex;
    flex-direction: row;
    justify-content: space-around;

    width: 100%;
    height: 1.8rem;

    margin-top: 0.5rem;
}

.popup-component-container {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 0.8rem;

    width: 100%;
}