/* Variables */

:root {
    --color-text: #111;
    --color-error: #db344b;

    --color-brand-blue: #40b1f4;
    
    --color-panel-border: rgba(0, 0, 0, 20%);
    --color-panel-background: #fff;
    --color-shaded-background: rgba(0, 0, 0, 5%);

    --panel-border-radius: 16px;
    --panel-box-shadow: 0 0 0 1px var(--color-panel-border);
    --panel-padding: 12px;
    --dialog-backdrop: rgba(255, 255, 255, 0.5);
}

/* Reset */ 

body {
    margin: 0;
    width: 100vw;
    height: 100vh;

    color: var(--color-text);
    line-height: 1.4;
}

/* Fonts */

@font-face {
    font-family: "Fira Sans";
    src:
        local("Fira Sans Regular"),
        url("font/FiraSans-Regular.ttf");
    font-weight: 400;
}

@font-face {
    font-family: "Fira Sans";
    src:
        local("Fira Sans Italic"),
        url("font/FiraSans-Italic.ttf");
    font-weight: 400;
    font-style: italic;
}

@font-face {
    font-family: "Fira Sans";
    src:
        local("Fira Sans Bold"),
        url("font/FiraSans-Bold.ttf");
    font-weight: 700;
}

@font-face {
    font-family: "Fira Sans";
    src:
        local("Fira Sans Bold Italic"),
        url("font/FiraSans-BoldItalic.ttf");
    font-weight: 700;
    font-style: italic;
}

@font-face {
    font-family: "Fira Code";
    src:
        local("Fira Code"),
        url("font/FiraCode-VariableFont_wght.ttf");
    font-weight: 400;
}

:root {
    font-size: 87.5%;
    font-family: "Fira Sans", sans-serif;
}

button, textarea, input {
    font-size: inherit;
    font-family: inherit;
}

pre, code, textarea {
    font-family: "Fira Code", monospace;    
}

/* Buttons */

button {
    border: 1px solid var(--color-panel-border);
    border-radius: 9999px;
    padding: 0.5rem 1.5rem;
    background-color: var(--color-panel-background);
}

/* Text areas */ 

input {
    border: none;
    border-bottom: 1px solid var(--color-panel-border);
}

*:focus {
    outline: 1px solid #40b1f4;
    outline-offset: 4px;
}

/* Modal dialogs */

dialog:not([open]) {
    /* Weird this doesn't seem to work by default. */
    display: none;
}

dialog::backdrop {
    background-color: var(--dialog-backdrop);
    backdrop-filter: blur(8px);
}

/* Details */

details>summary {
    cursor: pointer;
}

/* Throbbers */

@keyframes rkgk-throbber-loading {
    0% {
        clip-path: inset(0% 100% 0% 0%);
        animation-timing-function: cubic-bezier(0.12, 0, 0.39, 0);
    }

    50% {
        clip-path: inset(0% 0% 0% 0%);
        animation-timing-function: cubic-bezier(0.61, 1, 0.88, 1);
    }

    100% {
        clip-path: inset(0% 0% 0% 100%);
    }
}

rkgk-throbber {
    display: inline;

    &.loading {
        display: block;
        width: 16px;
        height: 16px;
        background-color: var(--color-brand-blue);
        animation: infinite alternate rkgk-throbber-loading;
        /* I wonder how many people will get _that_ reference. */
        animation-duration: calc(60s / 141.98);
    }

    &.error {
        /* This could use an icon. */
        color: var(--color-error);
    }
}

/* Panels */

.rkgk-panel {
    display: block;
    background: var(--color-panel-background);
    padding: var(--panel-border-radius);
    border: none;
    border-radius: 16px;
    box-shadow: var(--panel-box-shadow);
    box-sizing: border-box;
}

/* Horizontal separators */

hr {
    border: none;
    border-bottom: 1px solid var(--color-panel-border);
}

/* Lists */

ul, ol {
    padding-left: 20px;
}

/* Code examples */

pre:has(code) {
    background-color: var(--color-shaded-background);
    border-radius: 8px;
    padding: 1em 1em;
}