* {
    box-sizing: border-box;
}


body {
    background-color: #fff;
    color: #000;
    font-family: 'Courier New', Courier, monospace;
}

.hidden {
    display: none;
}

#sidebar {
    white-space: nowrap;
    background-color: #fff;
}

.menu {
    margin: 0;
    padding: 0;
    margin-top: 1.5em;
    margin-left: 0.5em;
    list-style: none;
}

.menu input[type="file"] {
    width: 0;
    height: 0;
    margin: 0;
    padding: 0;
    visibility: hidden;
}

.menu li {
    cursor: pointer;
    display: flex;
    justify-content: start;
    align-items: center;
    margin: 0.4em 0;
}

.menu li:hover {
    opacity: 0.7;
}

.menu li label {
    cursor: pointer;
    display: flex;
    justify-content: start;
    align-items: center;
}

.menu li img {
    height: 1.2em;
    width: auto;
    margin-right: 0.2em;
}

.container {
    display: flex;
    justify-content: center;
    align-items: start;
}

.dices-container,
.history-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-width: 400px;
}

.dices-container {
    margin-top: 1em;
    font-size: 0.8em;
}

.dices {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    min-height: 12em;
}

.dice {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 10em;
    height: 12em;
    margin: 0 0.2em;
    border: 0.3em solid transparent;
}

.dice .label-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 0.2em;
    z-index: 2;
    font-size: 1.3em;
    height: 2em;
}

.dice label {
    font-size: 1em;
    opacity: 0.7;
}

.dice.selected label {
    font-size: 1.2em;
    font-weight: bold;
    opacity: 1;
}

.dice .dice-image-container {
    position: relative;
    width: 8em;
    height: 8em;
    z-index: 1;
    filter: drop-shadow(0.1em 0.1em 0.1em transparent) drop-shadow(-0.1em -0.1em 0.1em transparent);
}

.dice .dice-image {
    position: relative;
    width: 100%;
    height: 100%;
    background-color: #000;
    mask-size: contain;
    mask-repeat: no-repeat;
    mask-position: center;
}

.dice.selected .dice-image-container {
    filter: drop-shadow(0.1em 0.1em 0.1em #333) drop-shadow(-0.1em -0.1em 0.1em #333);
}

.dice .remove {
    cursor: pointer;
    position: absolute;
    top: 0.2em;
    right: 0.2em;
    height: 1.2em;
    width: 1.2em;
    z-index: 5;
}

.dice .remove::before {
    content: ' ';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #DD0000;
    mask-size: contain;
    mask-repeat: no-repeat;
    mask-position: center;
    mask-image: url(./assets/close.svg);
}


.dice .remove:hover {
    filter: brightness(0.5);
}

.dice .dice-image.dice-image-4 {
    mask-image: url(./assets/dices/4.svg);
}

.dice .dice-image.dice-image-6 {
    mask-image: url(./assets/dices/6.svg);
}

.dice .dice-image.dice-image-8 {
    mask-image: url(./assets/dices/8.svg);
}

.dice .dice-image.dice-image-10 {
    mask-image: url(./assets/dices/10.svg);
}

.dice .dice-image.dice-image-12 {
    mask-image: url(./assets/dices/12.svg);
}

.dice .dice-image.dice-image-20 {
    mask-image: url(./assets/dices/20.svg);
}

.dice .dice-image.dice-image-100 {
    mask-image: url(./assets/dices/100.svg);
}

.dice .dice-image.dice-image-custom {
    mask-image: url(./assets/dices/custom.svg);
}

.form-container {
    margin-top: 1em;
    display: grid;
    align-items: center;
    row-gap: 1em;
    grid-template-columns: auto;
}

.form-container .actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.form {
    font-size: 1.2em;
    display: flex;
    flex-wrap: wrap;
    justify-content: start;
    align-items: center;
}

.form input,
.form select {
    font-size: 0.9em;
    width: 5em;
    height: 2.2em;
    background-color: #fff;
    font-family: 'Courier New', Courier, monospace;
    border: 0.15em solid #000;
    outline: none;
    padding: 0.4em;
    box-sizing: border-box;
}

.form #inputText {
    width: 22em;
    max-width: 99vw;
}

.history-container {
    margin: 2em 0;
    max-width: 99vw;
}

.history-container .actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    width: 100%;
}

.history-container .actions button {
    font-size: 1em;
}

.history {
    display: grid;
    grid-template-columns: repeat(4, auto);
    width: 100%;
    margin-top: 2em;
    row-gap: 0.3em;
    column-gap: 0.3em;
}

.history hr {
    width: 100%;
    grid-column: span 4;
}

.history .label {
    font-size: 1.2em;
    display: flex;
    flex-wrap: wrap;
}

.history .result {
    text-align: center;
    font-size: 1.2em;
    font-weight: bold;
}

.history .formula-container {
    display: flex;
    margin: 0 0.5em;
}


.history .formula-container .formula {
    display: flex;
    margin: 0 0.5em;
}

.history .time {
    text-align: right;
}

button {
    font-family: 'Courier New', Courier, monospace;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: transparent;
    color: #000;
    border: none;
    outline: none;
    font-size: 1.3em;
    margin: 0.5em;
}

button:hover {
    opacity: 0.7;
}

button img {
    height: 1.2em;
    width: auto;
    margin-right: 0.2em;
}

button.disabled {
    pointer-events: none;
    opacity: 0.5;
}

body.dark {
    background-color: #000;
    color: #efefef;
}

body.dark #sidebar {
    background-color: #000;
}

body.dark #sidebar-toggle,
body.dark #sidebar-toggle-close,
body.dark .menu li img,
body.dark button img {
    filter: invert();
}

body.dark button {
    color: #fff;
}

body.dark .dice .dice-image {
    background-color: #fff;
}

body.dark .dice.selected .dice-image-container {
    filter: drop-shadow(0.1em 0.1em 0.1em #efefef) drop-shadow(-0.1em -0.1em 0.1em #efefef);
}

body.dark .form input,
body.dark .form select {
    color: #fff;
    background-color: #000;
    border-color: #fff;
}

@media screen and (max-width: 767px) {
    .dices {
        font-size: 0.65em;
    }

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

    .dices-container,
    .history-container {
        min-width: auto;
        width: 100%;
    }
}