/*
 * mobile.css — phone layout
 *
 * Loaded last. Everything here is scoped to Skeleton's "all mobile
 * sizes" breakpoint so the desktop sidebar layout is untouched.
 */

/* ===== Shared fixes ====================================== */
@media only screen and (max-width: 767px) {

  /* Fluid column instead of Skeleton's fixed 300px / 420px */
  .container {
    width: auto;
    padding: 0 20px;
  }
  .container .sidebar.columns,
  .container .twelve.columns {
    display: block;  /* Skeleton columns are inline when unfloated */
    width: auto;
    float: none;
  }
  div.container {
    padding-top: 16px;
  }
  .sidebar > br {
    display: none;
  }

  /* polish.css sets header h1 without a breakpoint, which wins over
     jk.css's mobile size; restore a phone-sized heading */
  header h1 {
    font-size: 36px;
    letter-spacing: -0.5px;
  }
  h2 {
    font-size: 26px;
  }
  .article-title {
    margin-top: 0.4em;
  }

  .article-content {
    font-size: 16px;
    line-height: 1.75;
  }

  /* Nothing in the article should be wider than the screen */
  .article-content img,
  .article-content figure {
    max-width: 100%;
    height: auto;
  }

  /* Wide content scrolls inside itself, not the page */
  table {
    display: block;
    overflow-x: auto;
  }
  /* ...or inside its focusable scroll-table wrapper, when it has one */
  .table-scroll {
    overflow-x: auto;
  }
  .table-scroll table {
    display: table;
    overflow: visible;
  }
}

/* ===== Option B: sticky bar + menu ======================= */
/* Small photo, name, and a "menu" button in a sticky top bar.
   The button reveals the desktop sidebar contents as a panel. */

/* Desktop: the bar and menu-only bits stay hidden */
.nav-name,
.nav-toggle,
nav .nav-label {
  display: none;
}
.nav-toggle .when-open {
  display: none;
}

/* Desktop: #navpanel is a popover only on phones. Undo the browser's
   popover styles so it stays in the sidebar, always shown. Browsers
   without popover support ignore the attribute and get this anyway. */
#navpanel[popover] {
  display: block;
  position: static;
  inset: auto;
  width: auto;
  height: auto;
  margin: 0;
  padding: 0;
  border: 0;
  overflow: visible;
  color: inherit;
  background: none;
}

/* Site menu, shared by the desktop sidebar and the phone panel */
nav ul#sitenav {
  float: none;
  width: auto;
  margin: 0;
  padding: 0;
}
nav ul#sitenav li {
  margin: 0 0 10px;
}
nav ul#sitenav li a {
  font-size: 20px;
  line-height: 1.4;
}
nav ul#sitenav li a.current {
  color: var(--color-teal);
}

/* Pages in the current section (e.g. blog posts) */
nav ul#sitenav ul.section-pages {
  float: none;
  margin: 8px 0 14px 2px;
  padding-left: 14px;
  border-left: 2px solid var(--color-border);
  font-size: 100%;
}
nav ul#sitenav ul.section-pages li {
  margin: 0 0 8px;
  line-height: 1.35;
}
nav ul#sitenav ul.section-pages li a,
nav ul#sitenav ul.section-pages li a:visited {
  font-size: 15px;
  line-height: 1.35;
}
nav ul#sitenav ul.section-pages li.current {
  margin-left: -16px;
  padding-left: 14px;
  border-left: 2px solid var(--color-accent);
}
nav ul#sitenav ul.section-pages li.current a {
  color: var(--color-teal);
}
nav ul#sitenav ul.section-pages li.more a {
  font-style: italic;
  font-weight: normal;
  color: var(--color-teal);
}

/* Fill the sidebar rather than jk.css's fixed width, so a scrollbar
   (below) doesn't push the pills sideways */
nav ul#external {
  float: none;
  width: auto;
}

/* Desktop: the sidebar is position: fixed, so when a section's pages
   make it taller than the window it scrolls inside itself. 64px is
   the container's top padding (polish.css). */
@media only screen and (min-width: 768px) {
  nav {
    box-sizing: border-box;
    max-height: calc(100vh - 64px);
    padding-bottom: 16px;
    overflow-y: auto;
  }
}

/* Narrow desktop: jk.css shrinks the sidebar to 124px */
@media only screen and (min-width: 768px) and (max-width: 959px) {
  nav ul#sitenav li a {
    font-size: 15px;
  }
  nav ul#sitenav ul.section-pages li a,
  nav ul#sitenav ul.section-pages li a:visited {
    font-size: 12px;
  }
  /* "WOODWORKING" is wider than a 124px pill at the desktop size */
  nav ul#external li a,
  nav ul#external li a:visited {
    padding: 6px 8px;
    font-size: 14px;
  }
}

@media only screen and (max-width: 767px) {

  div.container {
    padding-top: 0;
  }

  /* Anchors (headings, footnotes) land below the sticky bar, not under it */
  html {
    scroll-padding-top: 72px;
  }

  .container .sidebar.columns {
    position: sticky;
    top: 0;
    z-index: 10;
    margin: 0 -20px 12px;
    padding: 0 20px;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
  }

  nav {
    position: static;
    width: auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
  }

  nav img#jon {
    display: block;
    width: 36px;
    margin: 0;
    padding: 0;
    float: none;
  }

  nav .nav-name,
  nav .nav-name:visited {
    display: block;
    flex: 1;
    font-size: 19px;
    font-weight: bold;
    color: #181818;
    letter-spacing: -0.2px;
  }

  nav .nav-toggle {
    display: block;
    border: 0;
    border-radius: 0;
    margin: 0;
    padding: 6px 12px;
    background: #767676;
    color: #fff;
    font-family: Azuro, sans-serif;
    font-size: 13px;
    font-weight: bold;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    line-height: 1.4;
    cursor: pointer;
  }
  nav:has(#navpanel:popover-open) .nav-toggle {
    background: var(--color-primary);
  }
  nav:has(#navpanel:popover-open) .nav-toggle .when-closed {
    display: none;
  }
  nav:has(#navpanel:popover-open) .nav-toggle .when-open {
    display: inline;
  }

  /* The panel: a popover the button opens (Esc or a tap outside
     closes it). It sits just under the sticky bar, which is 57px:
     10px padding + 36px photo + 10px padding + 1px border. */
  #navpanel[popover]:not(:popover-open) {
    display: none;
  }
  #navpanel:popover-open {
    position: fixed;
    inset: 57px 0 auto;
    padding: 8px 20px 16px;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    /* A long menu scrolls inside itself */
    max-height: calc(100vh - 57px);
    max-height: calc(100dvh - 57px);
    overflow-y: auto;
  }

  nav ul#external {
    margin: 0;
    padding: 0;
  }

  /* Other sites get their own labelled group */
  nav .nav-label {
    display: block;
    margin: 16px 0 8px;
    padding-top: 14px;
    border-top: 1px solid var(--color-border);
  }

  nav ul#external {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
  }
  nav ul#external li {
    margin: 0;
  }
  nav ul#external li a,
  nav ul#external li a:visited {
    display: block;
  }
}