zeyn 0.0.8

/**
 * Site shell: a top bar with the brand, a horizontal menu (disclosure navigation) and actions,
 * the screen in a centered column, and a footer. Below 800px the menu folds behind a button.
 * Colors come from the theme tokens of zeyn.css, so both themes work.
 */

.z-app.z-site {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  --z-site-gutter: max(16px, calc((100% - 1200px) / 2));
}

.z-site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 8px 24px;
  min-height: 56px;
  padding: 0 var(--z-site-gutter);
  background: var(--z-surface);
  border-bottom: 1px solid var(--z-border);
}

.z-site-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-width: 0;
}

.z-site-brand {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--z-text);
  text-decoration: none;
  overflow-wrap: anywhere;
}

.z-site-brand:hover { color: var(--z-accent); }

.z-site-nav {
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
  min-width: 0;
}

.z-site-menu,
.z-site-sub,
.z-site-column ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.z-site-menu {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px;
}

.z-site-menu > li { position: relative; }

.z-site-menu a,
.z-site-group-button {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 40px;
  padding: 0 12px;
  border: 0;
  border-radius: var(--z-radius);
  background: none;
  color: var(--z-text);
  font: inherit;
  text-decoration: none;
  cursor: pointer;
}

.z-site-menu a:hover,
.z-site-group-button:hover { background: var(--z-hover); }

.z-site-menu a[aria-current="page"],
.z-site-group-button[data-current] {
  color: var(--z-accent);
  font-weight: 600;
}

.z-site-menu > li > a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--z-accent); }

.z-site-caret {
  width: 0.45em;
  height: 0.45em;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
}

.z-site-group-button[aria-expanded="true"] .z-site-caret { transform: translateY(1px) rotate(-135deg); }

.z-site-sub {
  position: absolute;
  top: calc(100% + 4px);
  inset-inline-start: 0;
  min-width: 200px;
  padding: 4px;
  background: var(--z-surface);
  border: 1px solid var(--z-border);
  border-radius: var(--z-radius-lg);
  box-shadow: var(--z-shadow-2);
}

.z-site-sub[hidden] { display: none; }

.z-site-sub a { white-space: nowrap; }

.z-site-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
}

.z-site-actions .z-locale {
  flex-direction: row;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
}

.z-site-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--z-border);
  border-radius: var(--z-radius);
  background: var(--z-surface);
  color: var(--z-text);
  cursor: pointer;
}

.z-site-toggle[hidden] { display: none; }

.z-site-toggle:hover { background: var(--z-hover); }

.z-site-burger,
.z-site-burger::before,
.z-site-burger::after {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
}

.z-site-burger { position: relative; }

.z-site-burger::before,
.z-site-burger::after {
  content: "";
  position: absolute;
  inset-inline-start: 0;
}

.z-site-burger::before { top: -6px; }
.z-site-burger::after { top: 6px; }

.z-site-toggle[aria-expanded="true"] .z-site-burger { background: transparent; }
.z-site-toggle[aria-expanded="true"] .z-site-burger::before { top: 0; transform: rotate(45deg); }
.z-site-toggle[aria-expanded="true"] .z-site-burger::after { top: 0; transform: rotate(-45deg); }

.z-main.z-site-main {
  flex: 1;
  width: 100%;
  padding: 24px var(--z-site-gutter) 48px;
}

.z-site-footer {
  padding: 32px var(--z-site-gutter);
  background: var(--z-surface-2);
  border-top: 1px solid var(--z-border);
  color: var(--z-text-muted);
}

.z-site-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr));
  gap: 24px;
}

.z-site-column h2 {
  margin: 0 0 8px;
  font-size: var(--z-font-size);
  font-weight: 600;
  color: var(--z-text);
}

.z-site-column a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  color: var(--z-text-muted);
  text-decoration: none;
}

.z-site-column a:hover { color: var(--z-accent); text-decoration: underline; }

.z-site-note {
  margin: 24px 0 0;
  font-size: var(--z-font-size-sm);
}

.z-site-columns + .z-site-note {
  padding-top: 16px;
  border-top: 1px solid var(--z-border);
}

/* Header slots (SiteHeader::start, center, end, bottom) -------------------------------------- */

.z-site-header { flex-wrap: wrap; }

.z-site-slot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.z-site-slot > .z-node { min-width: 0; }

.z-site-slot-center {
  flex: 1 1 280px;
  justify-content: center;
  max-width: 560px;
  margin-inline: auto;
}

.z-site-slot-center > .z-node { flex: 1 1 auto; }

.z-site-slot .z-search { margin: 0; }

.z-site-header:has(> .z-site-slot-center) .z-site-nav { flex: 0 1 auto; }

.z-site-slot-bottom {
  flex: 0 0 100%;
  padding-bottom: 8px;
}

@media (min-width: 801px) {
  .z-site-toggle { display: none; }
}

@media (max-width: 800px) {
  .z-site-header {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .z-site-bar { min-height: 56px; }
  .z-site-nav {
    flex-direction: column;
    align-items: stretch;
    padding-bottom: 12px;
  }
  .z-site-header[data-zeyn-collapsible] .z-site-nav:not([data-open]) { display: none; }
  .z-site-menu {
    flex-direction: column;
    align-items: stretch;
  }
  .z-site-menu > li > a[aria-current="page"] { box-shadow: inset calc(2px * var(--z-dir)) 0 0 var(--z-accent); }
  .z-site-group-button { width: 100%; justify-content: space-between; }
  .z-site-sub {
    position: static;
    min-width: 0;
    padding: 0;
    padding-inline-start: 12px;
    border: 0;
    box-shadow: none;
    background: none;
  }
  .z-site-sub a { white-space: normal; }
  .z-site-actions { padding-top: 8px; border-top: 1px solid var(--z-border); }
  .z-site-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    column-gap: 8px;
  }
  .z-site-bar { grid-area: 1 / 1; justify-content: flex-start; }
  .z-site-brand { margin-inline-end: auto; }
  .z-site-slot-end { grid-area: 1 / 2; }
  .z-site-slot-center { grid-area: 2 / 1 / 3 / -1; max-width: none; margin: 0; padding-bottom: 8px; }
  .z-site-nav { grid-area: 3 / 1 / 4 / -1; }
  .z-site-actions { grid-area: 4 / 1 / 5 / -1; padding-bottom: 12px; }
  .z-site-slot-bottom { grid-area: 5 / 1 / 6 / -1; }
  .z-site-header[data-zeyn-collapsible]:not([data-open]) .z-site-actions { display: none; }
  .z-site-header[data-center-phone="icon"][data-zeyn-collapsible] .z-site-slot-center:not([data-open]) { display: none; }
}

/* With script the phone layout is set by CSS before the script runs, so nothing moves. */
@media (max-width: 800px) and (scripting: enabled) {
  .z-site-header .z-site-toggle[hidden] { display: inline-flex; }
  .z-site-header:not([data-open]) .z-site-nav,
  .z-site-header:not([data-open]) .z-site-actions { display: none; }
  .z-site-header[data-center-phone="icon"] .z-site-slot-center:not([data-open]) { display: none; }
}

@media (prefers-reduced-motion: no-preference) {
  .z-site-caret,
  .z-site-burger::before,
  .z-site-burger::after { transition: transform 0.15s ease; }
}

@media (forced-colors: active) {
  .z-site-menu > li > a[aria-current="page"] { outline: 2px solid Highlight; outline-offset: -2px; }
  .z-site-sub { border-color: CanvasText; }
}

/* Bottom bar of phones (SiteShell::bottom_nav) ---------------------------------------------- */

.z-site-bottom { display: none; }

@media (max-width: 800px) {
  .z-site:has(> .z-site-bottom) { padding-bottom: calc(60px + env(safe-area-inset-bottom, 0px)); }

  body:has(.z-site-bottom) .z-assistant-launch { inset-block-end: calc(72px + env(safe-area-inset-bottom, 0px)); }

  body:has(.z-site-bottom) .z-toasts { bottom: calc(76px + env(safe-area-inset-bottom, 0px)); }

  .z-site-bottom {
    position: fixed;
    inset-inline: 0;
    bottom: 0;
    z-index: 30;
    display: block;
    padding-bottom: env(safe-area-inset-bottom, 0px);
    border-top: 1px solid var(--z-border);
    background: var(--z-surface);
  }

  .z-site-bottom ul {
    display: flex;
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .z-site-bottom li { flex: 1 1 0; min-width: 0; }

  .z-site-bottom a {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    min-height: 60px;
    padding: 4px;
    color: var(--z-text-muted);
    font-size: var(--z-font-size-xs);
    font-weight: 600;
    text-decoration: none;
  }

  .z-site-bottom-label {
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .z-site-bottom a:hover { color: var(--z-text); }

  .z-site-bottom a:focus-visible {
    outline: 2px solid var(--z-focus);
    outline-offset: -4px;
  }

  .z-site-bottom a[aria-current="page"] {
    color: var(--z-primary);
    box-shadow: inset 0 3px 0 var(--z-primary);
  }
}

@media (max-width: 800px) and (forced-colors: active) {
  .z-site-bottom a[aria-current="page"] { outline: 2px solid Highlight; outline-offset: -4px; }
}