@import url('https://fonts.googleapis.com/css2?family=Silkscreen:wght@400;700&display=swap');

:root {
    --main-font: 'Silkscreen', cursive;

    --main-color: #333;
    --secondary-color : #666;
    --background-color: #fff;
    --slider-button-color: #333;
    --slider-background-color: #efefef;
    --button-border-color: #999;
    --button--background-color: #fff;
    --border-color: #efefef;
    --icon-filter: brightness(1) invert(0);
}

[data-theme="dark"] {
    --main-color: #fff;
    --secondary-color : #eee;
    --background-color: rgb(50, 50, 50);
    --slider-button-color: #fff;
    --slider-background-color: #999;
    --button-border-color: #333;
    --button--background-color: #999;
    --border-color: #efefef;
    --icon-filter: brightness(0) invert(1);
}

body {
    max-width: 1400px;
    margin: 12px auto 0;
    color: var(--main-color);
    background: var(--background-color);
}

a {
    color: var(--main-color);
    text-decoration: none;
}

.container {
    width: 90%;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    gap: 20px;
}

.title {
    display: none;
    font-size: 35px;
    font-family: var(--main-font);
    margin-top: 8px;
}

.panel-right .title {
    display: block;
}

.panel-left {
    flex: 2;
    display: flex;
    align-items: center;
    border: 1px solid #999;
}

.canvas {
    width: 100%;
    height: 900px;
}

.panel-right {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.panel-right > div {
    margin-bottom: 24px;
}

.panel-right > div:last-child {
    margin-bottom: 0;
}

fieldset {
    padding: 20px;
    border-color: var(--border-color);
    margin-bottom: 20px;
}

fieldset:last-child {
    margin-bottom: 0;
}

legend {
    display: flex;
    align-items: center;
    gap: 16px;
    
    color: var(--main-color);
    font-size: 20px;
    font-weight: bold;
    letter-spacing: 1px;
}

legend img {
    width: 35px;
    filter: var(--icon-filter);
}

.fieldset-item {
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    gap: 8px;
}

.row {
    flex-direction: row;
}

.custom-style-row {
    width: 100%;
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
}

.custom-style-row span {
    display: flex;
    flex-direction: column;
    align-items: start;
    justify-content: center;
}

.hotkeys-button-row button {
    width: 100%;
    padding: 10px 20px;
    color: var(--main-color);
    background-color: var(--button--background-color);
    border: 1px solid var(--button-border-color);
}

.hotkeys-text-row {
    margin-top: 8px;
    display: flex;
    justify-content: space-around;
    align-items: center;
    color: var(--secondary-color);
}

input[type=range] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 15px;
    background: var(--slider-background-color);
    outline: none;
}

input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 15px;
    height: 15px;
    background: var(--slider-button-color);
    cursor: pointer;
}

input[type=range]::-moz-range-thumb {
    width: 15px;
    height: 15px;
    background: var(--slider-button-color);
    cursor: pointer;
}

@media screen and (max-width: 768px) {
    .title {
        display: block;
        text-align: center;
    }

    .panel-right .title {
        display: none;
    }

    .container {
        flex-direction: column;
    }

    .canvas {
        height: 500px;
    }

    .panel-right {
        flex-direction: column-reverse;
        gap: 8px;
    }

    fieldset:last-child {
        margin-bottom: 24px;
    }

    .custom-style-row span {
        flex-direction: row;
        gap: 16px;
    }
}

@media screen and (max-width: 576px) {
    .title {
        font-size: 30px;
    }

    .canvas {
        height: 540px;
    }

    .panel-right {
        align-items: stretch;
        flex-direction: row-reverse;
        gap: 8px;
        overflow-x: auto;
    }

    .panel-right::-webkit-scrollbar {
        display: none;
    }

    fieldset .fieldset-item {
        width: 280px;
    }

    .custom-style-row span {
        flex-direction: column;
        gap: 0;
    }
}