/* Document root */

@property --box-opacity {
  /* This property rule doesn't actually do anything in practice.
   * It just lets us see the effective value of --box-opacity
   * in browser CSS inspectors.
   */
  syntax: "<number>";
  inherits: true;
  initial-value: 0.6;
}

:root {
  color-scheme: dark;

  --initial-wallpaper-opacity: 0.5;
  --wallpaper-brightness: var(--initial-wallpaper-opacity);
  --box-opacity: calc(0.6 + 0.3 * (clamp(0.75, var(--wallpaper-brightness), 0.95) - 0.75) / (0.95 - 0.75));
}

/* Body */

@layer layout {
  body {
    position: relative;
    margin: 0;
    padding: 10px;
    overflow-y: scroll;
  }

  body::before {
    content: "";
  }
}

/* Wallpaper */

@layer layout {
  body::before, .wallpaper-part {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;

    /* NB: these are 100 LVW, "largest view width", etc.
     * Stabilizes background on viewports with modal dimensions,
     * e.g. expanding/shrinking tab bar or collapsible find bar.
     * 100% dimensions are kept above for browser compatibility.
     */
    width: 100lvw;
    height: 100lvh;
  }
}

@layer material {
  body {
    background: black;
  }

  body::before {
    /* This is where the basic background-image rule
     * gets applied... but the path *to* that media file
     * isn't part of the CSS itself anymore!
     */
  }

  body::before, .wallpaper-part {
    background-position: center;
    background-size: cover;
    opacity: var(--initial-wallpaper-opacity);
  }
}

/* Page container */

@layer layout {
  #page-container {
    max-width: 1100px;

    margin: 0 auto 40px;
    padding: calc(15px - var(--page-border-width)) 0;

    --page-border-width: 0;
    border: var(--page-border-width) solid transparent;
    box-sizing: border-box;
  }

  #page-container > * {
    margin-left: calc(15px - var(--page-border-width));
    margin-right: calc(15px - var(--page-border-width));
  }

  .layout-columns {
    display: flex;
    align-items: stretch;
  }
}

@layer material {
  #page-container {
    background-color: var(--bg-color, rgba(35, 35, 35, 0.8));

    --adjust-page-opacity: calc(alpha * (1.0 + 0.55 * (var(--box-opacity, 0.6) - 0.6)));

    background-color:
      color-mix(in oklab,
        rgb(from var(--bg-color, rgba(35, 35, 35, 0.8))
          r g b / var(--adjust-page-opacity)),
        rgb(from var(--bg-color, rgba(35, 35, 35, 0.8))
          0 0 0 / var(--adjust-page-opacity))
        calc((var(--box-opacity, 0.6) - 0.6) * 40%));

    color: #ffffff;

    --page-border-width: 0.5px;
    border-bottom-width: 1px;
    border-radius: 4px 4px 5px 5px;

    --page-border-color: rgba(
      144, 144, 144,
      calc(0.4 + 0.5 * (var(--box-opacity) - 0.6) / 0.4));
    border-color: var(--page-border-color);

    box-shadow:
      0 0 40px #0008,
      0 20px 15px -4px #0002,
      0 6px 15px -3px #2221,
      0 4px 6px 2px #1113,
      0 1px 4px 1px #1114;
  }
}

/* Skippers */

@layer layout {
  #skippers > * {
    display: inline-block;
  }
}

@layer construction {
  #skippers > .skipper-list:not(:last-child)::after {
    display: inline-block;
    content: "\00a0";
    margin-left: 2px;
    margin-right: -2px;
    border-left: 1px dotted;
  }

  #skippers .skipper-list > .skipper:not(:last-child)::after {
    content: " \00b7 ";
    font-weight: 800;
  }
}

@layer interaction {
  #skippers {
    position: absolute;
    left: -10000px;
    top: auto;
    width: 1px;
    height: 1px;
  }

  #skippers:focus-within {
    position: static;
    width: unset;
    height: unset;
  }

  #page-container:not(.showing-sidebar-left) #skippers .skipper[data-for=sidebar-left],
  #page-container:not(.showing-sidebar-right) #skippers .skipper[data-for=sidebar-right] {
    display: none;
  }
}

/* Banner */

@property --banner-shine {
  syntax: '<percentage>';
  initial-value: 0%;
  inherits: false;
}

@layer interactivity {
  #banner::before, #banner::after {
    pointer-events: none;
  }
}

@layer layout {
  #banner {
    position: relative;
  }

  /* Used for top border */
  #banner::before {
    content: "";
    position: absolute;
    top: -1px;
    left: var(--page-border-width);
    right: var(--page-border-width);
    bottom: 0;
  }

  /* Used for inset shadow */
  #banner::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
  }

  #banner {
    margin: 10px calc(-1 * var(--page-border-width));
  }

  #banner img {
    display: block;
    width: 100%;
    height: auto;
  }

  #banner.short, #banner.short img {
    /* 1100px -> 72.5px, 900px -> 60px
     * 12.5px height per 200px width
     * Viewport maxes at 1124px, so:
     *   Start from 72.5px
     *   Get width below maximum:
     *     (1124px - min(1124px, 100vw))
     *   Multiply by rate of change:
     *     (12.5 / 200)
     */
    max-height: calc(72.5px - (1124px - min(1124px, 100vw)) * (12.5 / 200));
  }

  #banner.short img {
    object-position: 0 var(--short-banner-alignment, 50%);
  }
}

@layer material {
  #banner {
    background-color: var(--abyss-color);
    border-bottom: 1px solid var(--primary-color);
  }

  #banner::before {
    border-top: 1px dashed var(--page-border-color);
  }

  #banner::after {
    box-shadow:
      inset 0 -2px 3px rgba(0, 0, 0, 0.35),
      inset 0 1px 4px 2px rgba(0, 0, 0, 0.15);
  }

  #banner.dim img {
    opacity: 0.32;
  }
}

/* Banner - shine effect */

@supports (-webkit-box-reflect: below) {
  @layer material {
    #banner {
      -webkit-box-reflect: below -12px linear-gradient(transparent, color-mix(in srgb, transparent, var(--banner-shine, 0%) white));
    }
  }

  @layer interaction {
    #banner {
      transition: --banner-shine 0.8s;
    }

    #banner:not(.dim, .collapsed) {
      --banner-shine: 4%;
    }

    #banner:not(.dim, .collapsed):hover {
      --banner-shine: 35%;
      transition-delay: 0.3s;
    }
  }
}

/* Boxes (in general) */

@layer layout {
  #skippers,
  #header,
  #secondary-nav,
  #footer {
    padding: 5px;
  }

  #skippers,
  #header,
  #secondary-nav {
    margin-bottom: 10px;
  }

  #footer {
    margin-top: 10px;
  }
}

@layer material {
  #skippers,
  #header,
  #secondary-nav,
  #content,
  #footer,
  .sidebar {
    background-color: rgba(0, 0, 0, var(--box-opacity, 0.6));
    border: 1px dotted var(--primary-color);
    border-radius: 3px;
  }
}

@layer print {
  #skippers,
  #header,
  #secondary-nav,
  #footer,
  .sidebar {
    font-size: 0.85em;
  }
}

/* Header and navigation links */

@layer layout {
  #header { display: grid; }

  .nav-main-links { grid-area: main-links; }
  .nav-content { grid-area: content; }
  .nav-bottom-row { grid-area: bottom-row; }

  #header.nav-has-main-links.nav-has-content {
    grid-template-columns: 2.5fr 3fr;
    grid-template-rows: min-content 1fr;
    grid-template-areas:
      "main-links content"
      "bottom-row content";
  }

  #header.nav-has-main-links:not(.nav-has-content) {
    grid-template-columns: 1fr;
    grid-template-areas:
      "main-links"
      "bottom-row";
  }

  .nav-main-links {
    margin-right: 20px;
  }

  .nav-bottom-row {
    align-self: start;
  }
}

@layer print {
  .nav-link {
    display: inline-block;
  }

  .nav-main-links .nav-link.current > span.nav-link-content > a {
    font-weight: 800;
  }

  .nav-main-links .nav-link-accent {
    display: inline-block;
  }

  .series-nav-links {
    display: inline-block;
  }
}

@layer construction {
  .nav-links-index .nav-link:not(:first-child)::before,
  .nav-links-groups .nav-link:not(:first-child)::before {
    content: "\0020\00b7\0020";
    font-weight: 800;
  }

  .nav-links-hierarchical .nav-link + .nav-link::before,
  .nav-links-hierarchical .nav-link + .blockwrap .nav-link::before {
    content: "\0020/\0020";
  }

  .group-with-series .group-nav-links + .series-nav-links::before {
    content: "\00a0»\00a0";
    font-weight: normal;
  }

  .group-with-series .series-nav-links:not(:last-child)::after {
    content: ",\00a0";
    font-weight: normal;
  }

  .group-with-series .series-nav-links + .series-nav-links::before {
    content: "";
  }
}

@layer interaction {
  .inert-previous-next-link {
    opacity: 0.7;
  }
}

/* Secondary nav */

@layer layout {
  #secondary-nav {
    text-align: center;
  }

  #secondary-nav.album-secondary-nav {
    display: flex;
    justify-content: space-around;
    padding-left: 7.5% !important;
    padding-right: 7.5% !important;
    flex-wrap: wrap;
  }

  #secondary-nav.album-secondary-nav.with-previous-next .group-with-series {
    width: 100%;
  }

  #secondary-nav.album-secondary-nav.with-previous-next > * {
    margin-left: 5px;
    margin-right: 5px;
  }
}

@layer print {
  #secondary-nav.album-secondary-nav {
    line-height: 1.4;
  }

  #secondary-nav.album-secondary-nav .group-nav-links .dot-switcher,
  #secondary-nav.album-secondary-nav .series-nav-links .dot-switcher {
    white-space: nowrap;
  }
}

/* Sidebar column */

@layer layout {
  .sidebar-column {
    flex: 1 1 35%;
    min-width: 150px;
    max-width: 250px;
    align-self: flex-start;
  }

  .sidebar-column.wide {
    max-width: 350px;
    flex-basis: 300px;
    flex-shrink: 0;
    flex-grow: 1;
  }

  .sidebar-column.always-content-column {
    /* duplicated in thin & medium media query */
    position: static !important;
    max-width: unset !important;
    flex-basis: unset !important;
    margin-right: 0 !important;
    margin-left: 0 !important;
    width: 100%;
  }

  .sidebar-multiple {
    display: flex;
    flex-direction: column;
  }

  .sidebar-multiple .sidebar:not(:first-child) {
    margin-top: 15px;
  }
}

@layer interaction {
  .sidebar-column.initially-hidden {
    display: none;
  }

  .sidebar-column.search-showing-results {
    position: sticky;
    top: 5px;
    align-self: flex-start !important; /* pls */
  }
}

/* Sidebar boxes */

@layer layout {
  .sidebar {
    --content-padding: 5px;
    padding: var(--content-padding);
  }

  #sidebar-left {
    margin-right: 10px;
  }

  #sidebar-right {
    margin-left: 10px;
  }

  .sidebar-box-joiner {
    height: 10px;
  }

  .sidebar-box-joiner + .sidebar {
    margin-top: 0 !important;
  }
}

@layer material {
  .sidebar-box-joiner {
    width: 0;
    margin-left: auto;
    margin-right: auto;
    border-right: 1px dashed var(--primary-color);
  }
}

@layer print {
  .sidebar > h1,
  .sidebar > h2,
  .sidebar > h3,
  .sidebar > p {
    text-align: center;
    padding-left: 4px;
    padding-right: 4px;
  }

  .sidebar h1 {
    font-size: 1.25em;
  }

  .sidebar h2 {
    font-size: 1.1em;
    margin: 0;
  }

  .sidebar h2:first-child {
    margin-top: 0.5em;
    margin-bottom: 0.5em;
  }

  .sidebar h3 {
    font-size: 1.1em;
    font-style: oblique;
    font-variant: small-caps;
    margin-top: 0.3em;
    margin-bottom: 0em;
  }

  .sidebar > p {
    margin: 0.5em 0;
    padding: 0 5px;
  }

  .sidebar hr {
    color: #555;
    margin: 10px 5px;
  }

  .sidebar > ol,
  .sidebar > ul {
    padding-left: 30px;
    padding-right: 15px;
  }

  .sidebar > dl {
    padding-right: 15px;
    padding-left: 0;
  }

  .sidebar > dl dt {
    padding-left: 10px;
    margin-top: 0.5em;
  }

  .sidebar > dl dt.current {
    font-weight: 800;
  }

  .sidebar > dl dd {
    margin-left: 0;
  }

  .sidebar > dl dd ul {
    padding-left: 30px;
    margin-left: 0;
  }

  .sidebar > dl .side {
    padding-left: 10px;
  }

  .sidebar details.has-tree-list[open] summary {
    font-weight: 800;
  }

  .sidebar dl.tree-list {
    margin-top: 0.25em;
    line-height: 1.25em;
    padding-left: 15px;
  }

  .sidebar dl.tree-list dt {
    display: list-item;
    list-style-type: disc;
    padding-left: 0;
    margin-left: 20px;
  }

  .sidebar dl.tree-list dl {
    padding-left: 15px;
  }

  .sidebar dl.tree-list dd {
    margin-left: 0;
  }

  .sidebar dl.tree-list dt.current a {
    font-weight: 800;
    border-bottom: 1px solid;
  }

  .sidebar .times-used {
    opacity: 0.7;
    font-size: 0.9em;
    cursor: default;
  }

  .sidebar li.current {
    font-weight: 800;
  }

  .sidebar li {
    overflow-wrap: break-word;
    padding-right: 3px;
  }

  .sidebar li.structured {
    margin-bottom: 3px;
  }

  .sidebar > details.current summary {
    font-weight: 800;
  }

  .sidebar > details summary {
    margin-top: 0.5em;
    padding-left: 5px;
  }

  .sidebar > details.current summary span b {
    font-weight: 800;
  }

  .sidebar > details ul,
  .sidebar > details ol {
    margin-top: 0;
    margin-bottom: 0;
  }

  .sidebar > details:last-child {
    margin-bottom: 10px;
  }

  .sidebar > details[open] {
    margin-bottom: 1em;
  }

  .sidebar article {
    text-align: left;
    margin: 5px 5px 15px 5px;
  }

  .sidebar article:last-child {
    margin-bottom: 5px;
  }

  .sidebar article h2,
  .news-index h2 {
    border-bottom: 1px dotted;
  }

  .sidebar article h2 time,
  .news-index time {
    float: right;
    font-weight: normal;
  }

  .group-chronology-link,
  .series-chronology-link {
    font-style: oblique;
  }

  .group-chronology-link a,
  .series-chronology-link a {
    font-style: normal;
  }
}

/* Track release sidebar box */

@layer layout {
  .track-release-sidebar-box {
    --content-padding: 3px;
  }

  .track-release-sidebar-box h1 {
    margin: 0;
  }

  .track-release-sidebar-box + .track-release-sidebar-box,
  .track-release-sidebar-box + .track-list-sidebar-box,
  .track-list-sidebar-box + .track-release-sidebar-box {
    margin-top: 5px !important;
    border-top-left-radius: 0 !important;
    border-top-right-radius: 0 !important;
  }

  .track-release-sidebar-box:has(+ .track-list-sidebar-box),
  .track-list-sidebar-box:has(+ .track-release-sidebar-box) {
    border-bottom-right-radius: 0 !important;
    border-bottom-left-radius: 0 !important;
  }
}

@layer print {
  .track-release-sidebar-box h1 {
    font-weight: normal;
    font-size: 0.9em;
    font-style: oblique;
  }
}

/* Track list sidebar box */

@layer print {
  .track-list-sidebar-box summary {
    padding-left: 20px !important;
    text-indent: -15px !important;
  }

  .track-list-sidebar-box .track-section-range {
    white-space: nowrap;
  }
}

/* Content area */

@layer layout {
  #content {
    flex-grow: 1;
    flex-shrink: 3;

    position: relative;
    box-sizing: border-box;

    --content-padding: 20px;
    padding: var(--content-padding);
  }
}

@layer print {
  #content {
    overflow-wrap: anywhere;
  }

  #content h1 {
    font-size: 1.5em;
  }

  #content li {
    margin-bottom: 4px;
  }

  #content li i {
    white-space: nowrap;
  }

  #content li.divider {
    list-style-type: none;
    max-width: 220px;
    margin-top: 0.6em;
    margin-bottom: 0.6em;
  }

  #content li.divider hr {
    color: #888;
    border: none;
    border-bottom: 1px solid;
  }

  #content details {
    margin-top: 0.25em;
    margin-bottom: 0.25em;
  }

  #content.top-index h1,
  #content.flash-index h1 {
    text-align: center;
    font-size: 2em;
  }

  #content.flash-index h2 {
    text-align: center;
    font-size: 2.5em;
    font-variant: small-caps;
    font-style: oblique;
    margin-bottom: 0;
    text-align: center;
    width: 100%;
  }

  #content.flash-index h2 .flash-act-title,
  #content.flash-index h1 .flash-act-title {
    display: block;
  }

  #content.flash-index h2 .flash-act-title {
    text-transform: uppercase;
  }

  #content.top-index h2 {
    text-align: center;
    font-size: 2em;
    font-weight: normal;
    margin-bottom: 0.25em;
  }

  #content.top-index.has-subtitle h1 {
    margin-bottom: 0.35em;
  }

  #content.top-index h2.page-subtitle {
    font-size: 1.8em;
    margin-top: 0.35em;
    margin-bottom: 0.5em;
  }
}

/* Footer */

@layer layout {
  .footer-content {
    margin: 5px 12%;
  }

  .footer-content > :first-child {
    margin-top: 0;
  }

  .footer-content > :last-child {
    margin-bottom: 0;
  }

  .footer-localization-links {
    margin: 5px 12%;
  }
}

@layer print {
  footer {
    text-align: center;
    font-style: oblique;
  }
}

@layer construction {
  .footer-localization-links > span:not(:last-child)::after {
    content: " \00b7 ";
    font-weight: 800;
  }
}

/* Content (main box) */

@layer layout {
  main {
    --responsive-padding-ratio: 0.10;
  }

  main.long-content {
    --long-content-padding-ratio: var(--responsive-padding-ratio);
  }

  main.long-content .main-content-container,
  main.long-content > h1 {
    padding-left: calc(var(--long-content-padding-ratio) * 100%);
    padding-right: calc(var(--long-content-padding-ratio) * 100%);
  }

  #content.top-index section {
    margin-bottom: 1.5em;
  }
}