/*
 * Mobile overrides at core's responsive.css breakpoint. The core file stays in place
 * (a theme file named responsive.css would replace it); it loads after the theme,
 * hence the `html` prefix on conflicting selectors.
 */

@media screen and (max-width: 899px) {
  /* Top app bar */
  html #header { background-color: var(--md-sys-color-surface-container); color: var(--md-sys-color-on-surface); }
  html #header a.mobile-toggle-button { color: var(--md-sys-color-on-surface-variant); border-inline-start: 0; }
  html #project-jump .drdn-trigger {
    border: 0;
    color: var(--md-sys-color-on-surface);
    font: var(--md-sys-typescale-title-large);
    line-height: 50px;
  }
  html #project-jump.drdn { padding-inline-start: 8px; }
  /* Header icons: Material Symbols masks instead of core's scaled "^" and "≡" text glyphs */
  html #project-jump .drdn-trigger:before {
    content: '';
    inset-block: 0;
    margin-block: auto;
    inline-size: 24px;
    block-size: 24px;
    padding: 0;
    transform: none;
    opacity: 1;
    background-color: var(--md-sys-color-on-surface-variant);
    mask: url(../images/arrow-drop-down.svg) center / 24px no-repeat;
  }
  html #header a.mobile-toggle-button {
    inline-size: 48px;
    block-size: 48px;
    margin-block-start: 8px;
    margin-inline-end: 8px;
    border-radius: var(--md-sys-shape-corner-full);
    line-height: normal;
  }
  html #header a.mobile-toggle-button:hover { background-image: var(--nm-state-hover); }
  html .mobile-toggle-button:after {
    content: '';
    inline-size: 24px;
    block-size: 24px;
    margin: 12px;
    background-color: currentColor;
    mask: url(../images/menu.svg) center / 24px no-repeat;
  }

  /* Flyout: M3 modal navigation drawer. It slides over the page behind a scrim instead of
     core's push, which shoves page and header off screen. Tapping the scrim hits #main,
     which core's responsive.js already binds to close the flyout. */
  html.flyout-is-active :is(#wrapper, #header) { inset-inline-end: 0; }
  html .flyout-menu {
    --nm-drawer-width: min(360px, calc(100vw - 56px)); /* M3 modal drawer; core's 250px squeezes the appearance picker */
    position: fixed;
    inset-block: 0;
    inset-inline-end: calc(-1 * var(--nm-drawer-width));
    inline-size: var(--nm-drawer-width);
    z-index: 10001; /* over core's fixed header (9999) and the scrim */
    block-size: auto;
    overflow-y: auto;
    overscroll-behavior: contain;
    visibility: hidden;
    transition: inset-inline-end 250ms cubic-bezier(0.2, 0, 0, 1), visibility 250ms;
    border-start-start-radius: var(--md-sys-shape-corner-large);
    border-end-start-radius: var(--md-sys-shape-corner-large);
    box-shadow: var(--md-sys-elevation-level1);
    background-color: var(--md-sys-color-surface-container-low);
    color: var(--md-sys-color-on-surface);
    padding-inline: 12px;
    box-sizing: border-box;
  }
  html.flyout-is-active .flyout-menu { inset-inline-end: 0; visibility: visible; }
  html.flyout-is-active #main::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 10000;
    background-color: color-mix(in srgb, var(--md-sys-color-scrim) 32%, transparent);
  }
  html .flyout-menu h3 {
    block-size: auto;
    margin-block: 16px 4px;
    padding-inline: 16px;
    border: 0;
    background-color: transparent;
    color: var(--md-sys-color-on-surface-variant);
    font: var(--md-sys-typescale-title-small);
    letter-spacing: var(--md-sys-typescale-title-small-tracking);
    text-transform: none;
  }
  /* M3 drawer dividers between groups; headings alone look like one more nav item */
  html .flyout-menu > :is(h3, .flyout-menu__sidebar:has(#sidebar-wrapper > *), .nm-appearance) {
    display: block; /* the sidebar group is a span */
    margin-block-start: 8px;
    padding-block-start: 8px;
    border-block-start: 1px solid var(--md-sys-color-outline-variant);
  }
  html .flyout-menu > h3 { padding-block-start: 16px; }
  /* Sidebar forms (e.g. activity filters) line up with the nav labels; a field stacks under
     its label, which is a bare text node, so grid is the only way to put it on its own row */
  html .flyout-menu__sidebar :is(form > p, li:has(> input[type="checkbox"])) { padding-inline: 16px; }
  html .flyout-menu__sidebar p:has(> :is(select, input:not([type="submit"], [type="checkbox"], [type="radio"]))) {
    display: grid;
    gap: 4px;
    color: var(--md-sys-color-on-surface-variant);
    font: var(--md-sys-typescale-label-large);
  }
  html .flyout-menu__sidebar p > :is(select, input:not([type="submit"], [type="checkbox"], [type="radio"])) { inline-size: 100%; box-sizing: border-box; }
  html .flyout-menu__sidebar li:has(> input[type="checkbox"]) { display: flex; align-items: center; gap: 12px; min-block-size: 40px; border: 0; }
  html .flyout-menu .flyout-menu__sidebar li:has(> input[type="checkbox"]) a { block-size: auto; padding: 0; line-height: inherit; }
  html .flyout-menu h4 { color: var(--md-sys-color-on-surface); }
  html .flyout-menu a { color: var(--md-sys-color-on-surface-variant); }
  html .flyout-menu ul li a, html .flyout-menu ul li:first-child a {
    block-size: 48px;
    line-height: 48px;
    margin-inline-start: 0;
    padding-inline: 16px;
    border: 0;
    border-radius: var(--md-sys-shape-corner-full);
    font: var(--md-sys-typescale-label-large);
    line-height: 48px;
  }
  html .flyout-menu ul li a:hover { background-image: var(--nm-state-hover); }
  html .flyout-menu ul li a.selected {
    background-color: var(--md-sys-color-secondary-container);
    color: var(--md-sys-color-on-secondary-container);
  }
  html .flyout-menu #watchers ul li, html .flyout-menu ul.queries li, html .flyout-menu__avatar { border-block-start: 0; }
  html .flyout-menu .icon svg, html .flyout-menu .icon-only svg { color: inherit; stroke: currentColor; }
  html .flyout-menu__search input[type='text'] {
    block-size: 48px;
    border-radius: var(--md-sys-shape-corner-full);
    background-color: var(--md-sys-color-surface-container-highest);
    color: var(--md-sys-color-on-surface);
    padding-inline-start: 52px;
  }
  /* Search pill, avatar row and nav labels share one inline start: the icon and the
     avatar sit where the nav labels begin (drawer padding 12px + item padding 16px) */
  html .flyout-menu .flyout-menu__search { padding-inline: 0; }
  html .search-magnifier--flyout { inset-inline-start: 28px; }
  html .flyout-menu .flyout-menu__avatar { padding-inline-start: 16px; }

  html .cal .week-number { background-color: var(--md-sys-color-surface-container); border-color: var(--md-sys-color-outline-variant); }
  /* Page actions become M3 outlined buttons, like Apply / Clear. The forum topic wraps its
     actions in a quote-reply controller, so core's #content > .contextual misses them. */
  html #content > [data-controller="quote-reply"] > .contextual {
    inline-size: 100%;
    margin-block-end: 8px;
    padding-inline-start: 0;
    white-space: normal;
  }
  html :is(#content > .contextual > a, #content > .contextual .drdn, #content > [data-controller="quote-reply"] > .contextual > a, p.buttons a) {
    display: inline-flex;
    align-items: center;
    block-size: 40px;
    margin-block: 4px;
    margin-inline: 0 4px;
    padding-block: 0;
    padding-inline: 16px;
    border: 1px solid var(--md-sys-color-outline);
    border-radius: var(--md-sys-shape-corner-full);
    box-sizing: border-box;
    font: var(--md-sys-typescale-label-large);
    letter-spacing: var(--md-sys-typescale-label-large-tracking);
  }

  /* A scrolling table takes its natural width instead of squeezing text columns to a
     word per line; it scrolls inside its card */
  html .autoscroll > table.list { inline-size: max-content; min-inline-size: 100%; }
  /* Tables core does not wrap scroll themselves, so they no longer push the whole content
     area sideways; thead and tbody share one anonymous table, so columns stay aligned.
     ponytail: a table narrower than the screen would leave a gap inside its border, so small
     summary tables are excluded by class; add others here if one shows a gap */
  html #content table.list:not(.autoscroll > table, .issue-report) { display: block; overflow-x: auto; max-inline-size: 100%; }

  /* Form fields run full width; a select keeps room for the icon button after it */
  html form .attributes select { inline-size: 100%; }
  html form .attributes select:has(+ .icon-only) { inline-size: calc(100% - 36px); }
  html .tabular input[type="radio"] { inline-size: auto; }

  /* Wiki toolbar: buttons wrap instead of being cut off */
  html #content .jstTabs.tabs { clear: both; block-size: auto; overflow: visible; } /* below the floated field label */
  html #content .jstTabs.tabs ul { position: static; display: flex; flex-wrap: wrap; inline-size: auto; min-inline-size: 0; }
  html #content .jstTabs.tabs li.tab-elements { flex: 1 1 auto; min-inline-size: 0; block-size: auto; }
  html #content .jstTabs .jstElements { display: flex; flex-wrap: wrap; white-space: normal; }
  html #content .jstTabs.tabs li.tab-elements::before { display: none; } /* core's full-height strut for vertical centring */

  /* Subtasks and related issues: the progress bar fits its cell, the subject leaves room
     for both icon buttons */
  html :is(#issue_tree, #relations) td.done_ratio table.progress { inline-size: 100%; }
  html :is(#issue_tree, #relations):not(.with-related-issues-table-headers) .issue:has(.buttons a) > td.subject { padding-inline-end: 72px; }

  html div#version-summary { margin-block-start: 16px; }

  /* Core gives the current, previous and next page a third of the row each */
  html .pagination ul.pages li:is(.current, .previous, .next) { inline-size: auto; overflow: visible; }

  /* The desktop sidebar card has no place on mobile; its content moves into the flyout */
  #sidebar { margin: 0; border-radius: 0; }
}