/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * base.css — structure only. No literal colours: every colour is a `--fb-*`
 * custom property a theme supplies. A theme that sets only the documented tokens
 * yields a complete UI (docs/theming.md). System font stacks; no web fonts. */

:root {
  --fb-font-sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
  --fb-font-mono: ui-monospace, "SF Mono", "JetBrains Mono", "Fira Code",
    Menlo, Consolas, monospace;
  --fb-radius: 6px;
  --fb-gap: 1rem;
  --fb-topbar-h: 3rem;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: var(--fb-color-scheme, dark);
}

body {
  margin: 0;
  font-family: var(--fb-font-sans);
  font-size: 14px;
  line-height: 1.5;
  color: var(--fb-fg);
  background: var(--fb-bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--fb-accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

h1, h2, h3, h4 {
  line-height: 1.25;
  margin: 0 0 0.5em;
}

code, pre, .mono {
  font-family: var(--fb-font-mono);
}

/* Inline icons inherit colour and scale to the current font size. */
.icon {
  width: 1em;
  height: 1em;
  flex: none;
  vertical-align: -0.125em;
}

/* Accessibility: visible focus, skip link. */
:focus-visible {
  outline: 2px solid var(--fb-accent);
  outline-offset: 2px;
}
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 100;
  padding: 0.5rem 1rem;
  background: var(--fb-bg-raised);
  border: 1px solid var(--fb-border);
}
.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

/* ---- Top bar ---- */
.topbar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  height: var(--fb-topbar-h);
  padding: 0 0.75rem;
  border-bottom: 1px solid var(--fb-border);
  background: var(--fb-bg-raised);
  position: sticky;
  top: 0;
  z-index: 20;
}
.topbar .slug {
  font-weight: 600;
}
.topbar .slug a {
  color: var(--fb-fg);
}
.topbar .tabs {
  display: flex;
  gap: 0.25rem;
  margin: 0 auto;
  overflow-x: auto;
}
.topbar .tabs a {
  padding: 0.35rem 0.7rem;
  border-radius: var(--fb-radius);
  color: var(--fb-fg-muted);
  white-space: nowrap;
}
.topbar .tabs a:hover {
  background: var(--fb-bg-inset);
  text-decoration: none;
}
.topbar .tabs a[aria-current="page"] {
  color: var(--fb-fg);
  background: var(--fb-bg-inset);
}

/* The create menu and search group at the right of the top bar. Both carry
   `margin-left: auto` so the group hugs the right edge whether or not the create
   menu is present (when signed out it is absent, so the search keeps its place). */
.topbar-create {
  margin-left: auto;
  position: relative;
}
.topbar-search {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex: 0 1 28rem;
  margin-left: auto;
}
/* When the create menu is present it owns the right-alignment, so the search
   must not add a second auto margin (two would split the free space and float
   the create menu into the middle). */
.topbar-create ~ .topbar-search {
  margin-left: 0;
}
.topbar-search input[type="search"] {
  width: 100%;
  padding: 0.3rem 0.6rem;
  background: var(--fb-bg-inset);
  border: 1px solid var(--fb-border);
  border-radius: var(--fb-radius);
  color: var(--fb-fg);
}

/* Create (+) popover in the top bar. */
.topbar-create > summary {
  list-style: none;
  cursor: pointer;
}
.topbar-create > summary::-webkit-details-marker {
  display: none;
}
.menu-popover {
  position: absolute;
  right: 0;
  top: calc(100% + 0.35rem);
  z-index: 30;
  min-width: 13rem;
  padding: 0.35rem;
  background: var(--fb-bg-raised);
  border: 1px solid var(--fb-border);
  border-radius: var(--fb-radius);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
}
.menu-item {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 0.6rem;
  border-radius: var(--fb-radius);
  color: var(--fb-fg);
  white-space: nowrap;
}
/* Multi-label dropdown on the new-issue form. */
.new-issue-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}
.label-dropdown {
  display: inline-block;
  position: relative;
  margin-bottom: 0.5rem;
}
.new-issue-actions .label-dropdown {
  margin-bottom: 0;
}
.label-dropdown > summary {
  list-style: none;
  width: auto;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.label-dropdown-label {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.3rem;
}
.label-dropdown > summary::-webkit-details-marker {
  display: none;
}
.label-menu {
  left: 0;
  right: auto;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  max-height: 16rem;
  overflow-y: auto;
}
.label-menu .checkbox {
  margin: 0;
}
.menu-item:hover {
  background: var(--fb-bg-inset);
  text-decoration: none;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: none;
  border-radius: var(--fb-radius);
  background: transparent;
  color: var(--fb-fg);
  cursor: pointer;
}
.icon-btn:hover {
  background: var(--fb-bg-inset);
}
.icon-btn .icon {
  width: 1.15rem;
  height: 1.15rem;
}

/* ---- Drawer (off-canvas nav) ---- */
.drawer-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 30;
}
.drawer {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 16rem;
  max-width: 85vw;
  transform: translateX(-100%);
  transition: transform 0.15s ease;
  background: var(--fb-bg-raised);
  border-right: 1px solid var(--fb-border);
  z-index: 40;
  padding: 1rem;
  overflow-y: auto;
}
body.drawer-open .drawer {
  transform: translateX(0);
}
body.drawer-open .drawer-backdrop {
  display: block;
}
.drawer h2 {
  font-size: 1rem;
}
.drawer nav a,
.drawer .drawer-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.4rem 0.5rem;
  border-radius: var(--fb-radius);
  color: var(--fb-fg);
  font: inherit;
  text-align: left;
}
.drawer .drawer-item {
  border: none;
  background: none;
  cursor: pointer;
}
.drawer nav a .icon,
.drawer .drawer-item .icon {
  color: var(--fb-fg-muted);
}
.drawer nav a:hover,
.drawer .drawer-item:hover {
  background: var(--fb-bg-inset);
  text-decoration: none;
}
.drawer hr {
  border: none;
  border-top: 1px solid var(--fb-border);
  margin: 0.75rem 0;
}

/* ---- Layout ---- */
.page {
  max-width: 76rem;
  margin: 0 auto;
  /* Extra breathing room below the fixed-height top bar. */
  padding: calc(var(--fb-gap) * 1.75) var(--fb-gap) calc(var(--fb-gap) * 2);
}

.card {
  background: var(--fb-bg-raised);
  border: 1px solid var(--fb-border);
  border-radius: var(--fb-radius);
  padding: 1rem;
}
/* The first/last child sits against the card padding, so its own top/bottom
   margin would double the gap — most visibly on a card holding only an
   empty-state note ("No open issues."), which would otherwise sit off-centre. */
.card > :first-child {
  margin-top: 0;
}
.card > :last-child {
  margin-bottom: 0;
}

.muted {
  color: var(--fb-fg-muted);
}

/* ---- Buttons & forms ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--fb-border);
  border-radius: var(--fb-radius);
  background: var(--fb-bg-inset);
  color: var(--fb-fg);
  font: inherit;
  cursor: pointer;
}
.btn:hover {
  border-color: var(--fb-accent);
  text-decoration: none;
}
.btn-primary {
  background: var(--fb-accent);
  border-color: var(--fb-accent);
  color: var(--fb-accent-fg, #fff);
}
.btn-danger {
  border-color: var(--fb-danger);
  color: var(--fb-danger);
}
.btn-danger:hover {
  background: var(--fb-danger);
  color: var(--fb-accent-fg, #fff);
  border-color: var(--fb-danger);
}

/* Repo settings: Save changes + Archive on one row. */
.settings-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1.25rem;
}
.settings-actions form {
  display: inline;
}

/* Labels. */
.label-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.1rem 0.55rem;
  border-radius: 999px;
  font-size: 0.85em;
  font-weight: 600;
  color: #fff;
  background: var(--label-color, #888);
  border: 1px solid rgba(0, 0, 0, 0.25);
}
/* Scoped label (`scope: value`): the scope sits on a neutral theme background,
   the value in the label colour. The pill clips the two segments. */
.label-chip-scoped {
  padding: 0;
  overflow: hidden;
}
.label-chip-scoped .label-scope,
.label-chip-scoped .label-value {
  padding: 0.1rem 0.55rem;
}
.label-chip-scoped .label-scope {
  background: var(--fb-bg-inset);
  color: var(--fb-fg);
}
.label-chip-scoped .label-value {
  background: var(--label-color, #888);
  color: #fff;
}
.label-list {
  margin-bottom: 1.5rem;
}
.label-list .entry-row {
  padding: 0.85rem 0;
}
.label-list .entry-row:first-child {
  padding-top: 0;
}
.label-list .entry-row-body {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.label-list .entry-row-meta {
  margin: 0;
  font-size: 0.95em;
}
.label-add {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: stretch;
  padding-top: 1.25rem;
  border-top: 1px solid var(--fb-border);
}
.label-add input[type="text"] {
  flex: 1;
  min-width: 10rem;
}
.label-add input[type="color"] {
  width: 2.8rem;
  height: 2.4rem;
  padding: 0;
  border: 1px solid var(--fb-border);
  border-radius: var(--fb-radius);
  background: var(--fb-bg-inset);
  cursor: pointer;
}
.label-add input[type="color"]::-webkit-color-swatch-wrapper {
  padding: 3px;
}
.label-add input[type="color"]::-webkit-color-swatch {
  border: none;
  border-radius: 3px;
}
.label-add input[type="color"]::-moz-color-swatch {
  border: none;
  border-radius: 3px;
}
.label-add button {
  flex: none;
}

/* ---- Issues & pull requests ---- */
.issues-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}
.issues-head .subnav {
  margin: 0;
  justify-content: flex-start;
}
.state-open {
  color: var(--fb-success);
  display: inline-flex;
}
.state-closed {
  color: var(--fb-danger);
  display: inline-flex;
}
.issue-title-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.badge-state-open {
  color: var(--fb-success);
  border-color: var(--fb-success);
}
.badge-state-closed {
  color: var(--fb-danger);
  border-color: var(--fb-danger);
}
.badge-state-merged {
  color: var(--fb-accent);
  border-color: var(--fb-accent);
}

/* Pull requests: compare form, merge panel, and change list. */
.compare-refs {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.compare-refs label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.compare-refs select {
  width: auto;
}
.compare-arrow {
  font-size: 1.25rem;
  color: var(--fb-muted);
}
.merge-panel {
  border-left: 3px solid var(--fb-border);
  padding: 0.85rem 1rem;
}
.merge-panel > p {
  margin: 0;
}
.merge-panel.clean {
  border-left-color: var(--fb-success);
}
.merge-panel.conflicts {
  border-left-color: var(--fb-danger);
}
.merge-panel.merged {
  border-left-color: var(--fb-accent);
}
.merge-form {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.65rem;
}
.merge-form label {
  margin: 0;
}
.merge-form select {
  width: auto;
}
.pr-changes {
  margin-top: 1.5rem;
}
.pr-changes h2 {
  margin-bottom: 0.85rem;
}
.entry-list.pr-commits {
  margin-bottom: 1.25rem;
}
.issue-header {
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--fb-border);
}
.issue-header h1 {
  margin: 0;
}
.issue-title-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
}
.issue-edit > summary,
.comment-edit > summary {
  cursor: pointer;
  list-style: none;
}
.issue-edit > summary::-webkit-details-marker,
.comment-edit > summary::-webkit-details-marker {
  display: none;
}
/* Edit / Cancel label swap on the toggle. */
.issue-edit:not([open]) .edit-close,
.comment-edit:not([open]) .edit-close {
  display: none;
}
.issue-edit[open] .edit-open,
.comment-edit[open] .edit-open {
  display: none;
}
/* When closed, the Edit toggle sits at the right; the editor bits are hidden. */
.issue-edit {
  margin-left: auto;
}
.title-edit-form,
.title-save {
  display: none;
}
/* Title editor (GitHub-style): a full-width input, then Cancel (the toggle) and
   Save. The three are siblings of the title, revealed via :has. */
.issue-title-line:has(.issue-edit[open]) h1 {
  display: none;
}
.issue-title-line:has(.issue-edit[open]) .issue-edit {
  order: 2;
  margin-left: 0;
}
.issue-title-line:has(.issue-edit[open]) .title-edit-form {
  display: block;
  order: 1;
  flex: 1;
}
.issue-title-line:has(.issue-edit[open]) .title-save {
  display: inline-flex;
  order: 3;
}
.title-edit-form input[type="text"] {
  width: 100%;
}
/* Comment editor: the toggle sits in the header; when open the rendered body is
   replaced by the textarea. */
.comment-edit {
  margin-left: auto;
}
.comment-edit > summary {
  font-size: 0.9em;
  color: var(--fb-accent);
}
.comment-editor {
  display: none;
  padding: 0.85rem;
}
.comment:has(.comment-edit[open]) .comment-editor {
  display: block;
}
.comment:has(.comment-edit[open]) .comment-body {
  display: none;
}
.comment-editor textarea {
  width: 100%;
  font-family: inherit;
}
.comment-editor-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 0.5rem;
}
.issue-sub {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.issue-main {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}
.issue-thread {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.issue-side {
  flex: none;
  width: 16rem;
}
.issue-side section {
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--fb-border);
}
.issue-side section:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}
.issue-side h3 {
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}
.comment {
  padding: 0;
  overflow: hidden;
}
.comment-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding: 0.5rem 0.85rem;
  border-bottom: 1px solid var(--fb-border);
  font-size: 0.9em;
}
.comment-body {
  padding: 0.85rem;
}
.comment-form textarea {
  margin-bottom: 0.5rem;
}
.comment-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  align-items: center;
}
.inline-form {
  display: inline;
}
.side-form {
  margin-top: 0.5rem;
  display: flex;
  gap: 0.4rem;
  align-items: stretch;
  flex-wrap: wrap;
}
.side-form select {
  flex: 1;
}
.label-set {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}
/* Existing-issue label editor: the dropdown fills the sidebar width, its toggle
   shows the applied labels as chips, and Apply sits at the foot of the popover
   (the column popover stretches it full width). */
.side-form .label-dropdown {
  flex: 1;
  margin-bottom: 0;
}
.side-form .label-dropdown > summary {
  width: 100%;
  justify-content: space-between;
}
.label-apply {
  margin-top: 0.5rem;
}
.label-swatch {
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 3px;
  background: var(--label-color, #888);
  display: inline-block;
  flex: none;
}

/* Repo settings danger zone. */
.danger-zone {
  border-color: var(--fb-danger);
}
.danger-zone p {
  margin-top: 0;
}
/* When the card holds only an explanatory paragraph (no delete form), drop the
   trailing margin so the card doesn't carry extra bottom padding. */
.danger-zone p:last-child {
  margin-bottom: 0;
}

/* Collaborators: a bordered list inside the card, then an add row. Each row is
   [avatar] [name] [role] on the left, remove button on the right. */
.collab-list {
  margin-bottom: 1rem;
}
.collab-list .entry-row {
  padding-left: 0;
  padding-right: 0;
}
/* The first row abuts the card padding; drop its own top padding so the list
   doesn't sit with a doubled gap at the top of the card. */
.collab-list .entry-row:first-child {
  padding-top: 0;
}
.collab-ident {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  min-width: 0;
  /* Tight line boxes so the name and the role pill centre on each other. */
  line-height: 1;
}
.collab-ident .entry-row-title {
  display: inline;
}
.collab-perm {
  font-size: 0.8em;
  color: var(--fb-fg-muted);
  border: 1px solid var(--fb-border);
  border-radius: 999px;
  padding: 0.05rem 0.55rem;
  text-transform: capitalize;
}
.collab-list .entry-row-actions .btn {
  padding: 0.25rem 0.6rem;
  font-size: 0.85em;
}
.collab-add {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: stretch;
}
.collab-add input[type="text"] {
  flex: 1;
  min-width: 12rem;
}
.collab-add select {
  width: auto;
}
.collab-add button {
  flex: none;
}

/* Repository language breakdown bar (a collapsible <details>). */
.lang-bar-wrap {
  margin: 0 0 1rem;
}
.lang-bar-summary {
  /* `display: block` drops the default disclosure triangle (and the indent it
     reserves) in Chromium; the list-style/marker resets cover other engines. */
  display: block;
  list-style: none;
  cursor: pointer;
}
.lang-bar-summary::-webkit-details-marker {
  display: none;
}
.lang-bar-summary::marker {
  content: "";
}
.lang-bar {
  display: flex;
  height: 0.6rem;
  border-radius: 999px;
  overflow: hidden;
  background: var(--fb-bg-inset);
}
.lang-seg {
  height: 100%;
}
.lang-seg:not(:last-child) {
  margin-right: 2px;
}
.lang-legend {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
  margin: 0.75rem 0 0;
}
.lang-legend li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9em;
}
.lang-dot {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  flex: none;
}
.lang-legend .lang-name {
  font-weight: 600;
}

/* License summary banner shown above a LICENSE file. */
.license-banner {
  margin-bottom: 1rem;
}
.license-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.license-head > .icon {
  width: 2rem;
  height: 2rem;
  flex: none;
  color: var(--fb-fg-muted);
}
.license-head h3 {
  margin: 0;
}
.license-eyebrow {
  margin: 0;
  font-size: 0.85em;
}
.license-desc {
  margin: 0.75rem 0;
}
.license-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--fb-border);
}
.license-col h4 {
  margin: 0 0 0.5rem;
  font-size: 0.9rem;
}
.license-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.license-col li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.license-col li .icon {
  width: 0.95rem;
  height: 0.95rem;
  flex: none;
}
.license-col li.ok .icon {
  color: var(--fb-success);
}
.license-col li.no .icon {
  color: var(--fb-danger);
}
.license-col li.cond .icon {
  color: var(--fb-accent);
}
.license-note {
  margin: 0.75rem 0 0;
  font-size: 0.82em;
}
@media (max-width: 40rem) {
  .license-cols {
    grid-template-columns: 1fr;
  }
}

/* Issue/PR dependency lists in the sidebar. */
.dep-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin: 0 0 0.75rem;
}
.dep-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.9em;
  padding: 0.3rem 0.5rem;
  border-radius: var(--fb-radius);
}
.dep-row:hover {
  background: var(--fb-bg-inset);
}
.dep-row > .icon {
  flex: none;
}
.dep-row > a {
  flex: 1;
  min-width: 0;
  color: var(--fb-fg);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.dep-row > a:hover {
  text-decoration: none;
  color: var(--fb-accent);
}
.dep-row .icon-btn {
  width: 1.4rem;
  height: 1.4rem;
  flex: none;
  color: var(--fb-fg-muted);
}
.dep-row .icon-btn:hover {
  color: var(--fb-danger);
}
.dep-add {
  display: flex;
  gap: 0.4rem;
  margin-top: 0.25rem;
}
.dep-add input {
  flex: 1;
  min-width: 0;
}

/* Pagination controls for long lists. */
.pagination {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}
.pagination .btn.disabled {
  opacity: 0.5;
  pointer-events: none;
}
.pagination .per-page {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.pagination .per-page label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0;
  font-weight: 400;
  color: var(--fb-fg-muted);
}
.pagination .per-page select {
  width: auto;
}
.pagination-page {
  margin-left: auto;
}

/* Admin dashboard: stat grid and management lists. */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(11rem, 1fr));
  gap: 0.75rem;
}
.stat-card {
  padding: 1rem;
  background: var(--fb-bg-raised);
  border: 1px solid var(--fb-border);
  border-radius: var(--fb-radius);
}
.stat-value {
  font-size: 1.6rem;
  font-weight: 600;
}
.stat-label {
  font-size: 0.85em;
}
.admin-actions {
  flex-wrap: wrap;
  gap: 0.35rem;
}
/* The card already pads its edges, so admin list rows drop their own side
   padding and align with the create form below them. */
.admin-list .entry-row {
  padding-left: 0;
  padding-right: 0;
}
/* Separate a populated list from the create form directly beneath it. */
.admin-list:not(:empty) + form {
  margin-top: 1rem;
}
.admin-form-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}
.admin-form-row input,
.admin-form-row select {
  flex: 1;
  min-width: 9rem;
}
/* Give every control the same explicit height so inputs, selects, and the
   inline submit button line up exactly (native selects render taller than a
   button would otherwise, so flex `stretch` alone is not enough). */
.admin-form-row > input,
.admin-form-row > select,
.admin-form-row > button {
  height: 2.4rem;
}
/* A control row that is the last thing in its form carries no trailing gap. */
.admin-form-row-last {
  margin-bottom: 0;
}
/* A bottom row pairing option toggles/checkboxes with the submit button. */
.admin-form-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}
.admin-form-actions label.checkbox {
  margin: 0;
}
/* Stacked label + control groups (admin settings). */
.form-field {
  margin-bottom: 0.9rem;
}
.form-field label {
  margin-top: 0;
}
/* Empty-state line above a create form: keep it snug against the form. */
.empty-note {
  margin: 0 0 0.75rem;
}
/* Mirror settings: the last-error text on a configured mirror. */
.mirror-error {
  color: var(--fb-danger);
}
/* Separate the "Add a push mirror" sub-form from the list of configured mirrors. */
.mirror-add {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--fb-border);
}
.mirror-add h3 {
  margin-top: 0;
}
.mirror-add .admin-form-actions {
  margin-top: 1rem;
}

/* Settings: a left tab rail and the active tab's content. */
.settings-layout {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
}
.settings-nav {
  flex: none;
  width: 13rem;
  position: sticky;
  top: calc(var(--fb-topbar-h) + 1rem);
}
.settings-nav h1 {
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
}
.settings-nav nav {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.settings-nav nav a {
  padding: 0.4rem 0.7rem;
  border-radius: var(--fb-radius);
  color: var(--fb-fg-muted);
}
.settings-nav nav a:hover {
  background: var(--fb-bg-inset);
  text-decoration: none;
}
.settings-nav nav a[aria-current="page"] {
  background: var(--fb-bg-inset);
  color: var(--fb-fg);
  font-weight: 600;
}
.settings-content {
  flex: 1;
  min-width: 0;
}
.settings-content .listing:first-child {
  margin-top: 0;
}
.email-list {
  margin-bottom: 0;
}
.badge-verified {
  color: var(--fb-success);
  border-color: var(--fb-success);
}
.badge-unverified {
  color: var(--fb-fg-muted);
  border-color: var(--fb-border);
}
.email-visibility {
  margin: 0;
  padding: 0.85rem 0;
  border-top: 1px solid var(--fb-border);
  border-bottom: 1px solid var(--fb-border);
}
.email-visibility label.checkbox {
  margin: 0;
}
.email-add {
  margin-top: 1rem;
}
.email-add label {
  margin-top: 0;
}
.email-add-row {
  display: flex;
  gap: 0.5rem;
  align-items: stretch;
}
.email-add-row input {
  flex: 1;
  min-width: 12rem;
}
@media (max-width: 48rem) {
  /* Stack the rail above the content. align-items must reset to stretch or the
     content column shrinks to its widest child and overflows the viewport. */
  .settings-layout {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }
  .settings-content {
    width: 100%;
  }
  .settings-nav {
    width: 100%;
    position: static;
  }
  /* The tab rail scrolls horizontally (like the repo tabs) instead of wrapping
     onto several rows. */
  .settings-nav nav {
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .settings-nav nav a {
    flex: 0 0 auto;
  }
  /* Stat cards fill the width in as many columns as fit. */
  .stat-grid {
    grid-template-columns: repeat(auto-fill, minmax(8rem, 1fr));
  }
}

label {
  display: block;
  margin: 0.75rem 0 0.25rem;
  font-weight: 600;
}
/* The first label in a card form abuts the card padding — drop its top margin so
   the form doesn't sit with a doubled gap at the top. The CSRF hidden input is
   usually the real first child, so also match the label right after it. */
.card form > label:first-child,
.card form > input[type="hidden"]:first-child + label {
  margin-top: 0;
}
input[type="text"],
input[type="password"],
input[type="email"],
input[type="search"],
input[type="url"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: 0.5rem 0.75rem;
  font: inherit;
  color: var(--fb-fg);
  background: var(--fb-bg-inset);
  border: 1px solid var(--fb-border);
  border-radius: var(--fb-radius);
}
/* Replace the native select arrow (which ignores padding and hugs the border)
   with a token-coloured caret drawn from two gradients — no literal colours,
   and given breathing room from the edge. */
select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 2rem;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--fb-fg-muted) 50%),
    linear-gradient(135deg, var(--fb-fg-muted) 50%, transparent 50%);
  background-position: right 1.05rem center, right 0.7rem center;
  background-size: 0.35rem 0.35rem;
  background-repeat: no-repeat;
}
select:disabled {
  background-image: none;
}
input:disabled,
textarea:disabled,
select:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
input:focus,
textarea:focus,
select:focus {
  border-color: var(--fb-accent);
  outline: none;
}

/* Submit buttons in a card form get breathing room from the last field —
   except buttons that sit inline in a control row (they must not be nudged
   down out of alignment with their input). */
.card form button[type="submit"]:not(.inline-btn) {
  margin-top: 1.1rem;
}
.field-hint {
  margin: 0.25rem 0 0.5rem;
  font-size: 0.85em;
}

/* API token settings. */
.token-secret {
  margin: 0.5rem 0 0;
  padding: 0.6rem 0.85rem;
  overflow-x: auto;
  background: var(--fb-bg-inset);
  border-radius: var(--fb-radius);
}
.token-list {
  margin-bottom: 1rem;
}
.key-list {
  margin-bottom: 1.25rem;
}
.key-list .entry-row {
  align-items: center;
}
.key-list .entry-row-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.key-list .entry-row-meta {
  margin-top: 0.2rem;
  font-size: 0.85em;
}
.key-verify {
  margin-top: 0.5rem;
}
.key-verify > summary {
  cursor: pointer;
  color: var(--fb-accent);
  font-size: 0.9em;
}
.key-verify textarea {
  font-family: var(--fb-font-mono);
  font-size: 0.85em;
}
.key-challenge {
  padding: 0.6rem 0.75rem;
  background: var(--fb-bg-inset);
  border-radius: var(--fb-radius);
  overflow-x: auto;
  white-space: pre-wrap;
}
.key-add {
  padding-top: 1rem;
  border-top: 1px solid var(--fb-border);
}
.key-add textarea {
  font-family: var(--fb-font-mono);
  font-size: 0.88em;
}
.key-add-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 0.6rem;
}
.key-add-row label {
  margin: 0;
}
.key-add-row select {
  width: auto;
}
.key-add-row input {
  flex: 1;
  min-width: 12rem;
}
.token-scopes {
  margin: 0.75rem 0 0;
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--fb-border);
  border-radius: var(--fb-radius);
}
.token-scopes legend {
  padding: 0 0.35rem;
  font-size: 0.9em;
  font-weight: 600;
}
input[type="checkbox"],
input[type="radio"] {
  accent-color: var(--fb-accent);
  width: 1.05rem;
  height: 1.05rem;
  cursor: pointer;
}
label.checkbox {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0 1rem 0 0;
  font-weight: 400;
  cursor: pointer;
}
label.checkbox input {
  width: 1.05rem;
  flex: none;
}
/* Link slots stack full-width; the Add button sits beside the last one. */
.link-fields {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 0.5rem;
}
.link-slot {
  flex: 1 1 100%;
}
/* Concrete basis (not auto) so the global input width:100% doesn't claim the
   whole row and wrap the Add button below. */
.link-slot.last-visible {
  flex: 1 1 12rem;
}
.link-add {
  flex: 0 0 auto;
}

/* Inline form rows (links, avatar upload, collaborators): every control gets
   the same explicit height so inputs, selects, and buttons line up exactly. */
.collab-add > input,
.collab-add > select,
.collab-add > button,
.avatar-upload-row > input[type="file"],
.avatar-upload-row > button,
.link-slot,
.link-add {
  height: 2.4rem;
}
.avatar-upload-row input[type="file"] {
  padding-top: 0;
  padding-bottom: 0;
}
/* Without JS every slot shows; the enhancement hides empties behind Add. */
[hidden] {
  display: none !important;
}

/* New-repository form: a comfortably narrow, centered column. */
.new-repo {
  max-width: 40rem;
  margin: 0 auto;
}

/* Centered auth card (sign in, invite activation). */
.auth-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - var(--fb-topbar-h) - 4rem);
  padding: 1rem 0;
}
.auth-card {
  width: 100%;
  max-width: 22rem;
  background: var(--fb-bg-raised);
  border: 1px solid var(--fb-border);
  border-radius: var(--fb-radius);
  padding: 1.75rem;
}
.auth-card h1 {
  text-align: center;
  margin-bottom: 1rem;
}
.auth-card form .btn {
  width: 100%;
  justify-content: center;
  margin-top: 1.25rem;
}
.auth-alt {
  margin: 1rem 0 0;
  text-align: center;
  font-size: 0.9em;
}

/* ---- Flash / notices ---- */
.notice {
  padding: 0.6rem 0.8rem;
  border-radius: var(--fb-radius);
  border: 1px solid var(--fb-border);
  background: var(--fb-bg-inset);
  margin-bottom: 0.75rem;
}
.notice-error {
  border-color: var(--fb-danger);
}
.notice-success {
  border-color: var(--fb-success);
}

/* ---- Badges ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.05rem 0.45rem;
  font-size: 0.8em;
  border-radius: var(--fb-radius);
  border: 1px solid var(--fb-border);
}
.badge-verified {
  color: var(--fb-success);
  border-color: var(--fb-success);
}
.badge-unverified {
  color: var(--fb-warning);
  border-color: var(--fb-warning);
}
.badge-private {
  color: var(--fb-fg-muted);
  /* An explicit muted border: Carbon's --fb-border equals --fb-bg-inset, so the
     default badge border vanishes against a hovered inset row. */
  border-color: var(--fb-fg-muted);
}
.badge-default {
  color: var(--fb-accent);
  border-color: var(--fb-accent);
}
.badge-archived {
  color: var(--fb-warning);
  border-color: var(--fb-warning);
}
/* Sign-up invite status: unused is neutral; used (redeemed) reads as done. */
.badge-unused {
  color: var(--fb-fg-muted);
  border-color: var(--fb-fg-muted);
}
.badge-used {
  color: var(--fb-success);
  border-color: var(--fb-success);
}

/* Inline search row: input grows, button sits to its right with margin. */
.search-row {
  display: flex;
  align-items: stretch;
  gap: 0.6rem;
  margin: 0.75rem 0 1.25rem;
}
.search-row input[type="search"] {
  flex: 1;
}
.search-row .btn {
  flex: none;
}

/* ---- Repo/list rows ---- */
.listing {
  margin-bottom: 1.5rem;
}
.repo-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.repo-list li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--fb-border);
}
.repo-list .name {
  font-weight: 600;
  font-size: 1.05em;
}

/* Listing card: bordered rows inside a single card. */
.repo-list.card {
  padding: 0;
  overflow: hidden;
}
.repo-list.card li {
  padding: 0;
  border-bottom: 1px solid var(--fb-border);
}
.repo-list.card li:last-child {
  border-bottom: none;
}
.repo-row {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.75rem 1rem;
  color: var(--fb-fg);
}
.repo-row:hover {
  background: var(--fb-bg-inset);
  text-decoration: none;
}
.repo-row-name {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 600;
  max-width: 100%;
}
/* Truncate a long repo/group path so it never pushes past the card width; the
   trailing visibility/archived badges stay put (they are not the name span). */
.repo-row-name > span:not(.badge) {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}
.repo-row-name > .icon,
.repo-row-name > .badge {
  flex: none;
}
.repo-row-name .icon {
  color: var(--fb-fg-muted);
}
.repo-row-desc {
  font-size: 0.9em;
}
.repo-row-meta {
  font-size: 0.82em;
}

/* User directory rows (Explore → Users). */
.user-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  color: var(--fb-fg);
}
.user-row:hover {
  background: var(--fb-bg-inset);
  text-decoration: none;
}
.user-row .avatar {
  width: 2.5rem;
  height: 2.5rem;
  flex: none;
}
.user-row-main {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.user-row-name {
  font-weight: 600;
}
.user-row-meta {
  font-size: 0.85em;
}

/* ---- Dashboard (activity + repo sidebar) ---- */
.dashboard {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}
.dashboard-main {
  flex: 1;
  min-width: 0;
}
.dashboard-side {
  flex: none;
  width: 20rem;
}
.dashboard-side .search-row {
  margin-top: 0;
}

/* Contribution heatmap. */
.heatmap-wrap {
  overflow-x: auto;
  padding-bottom: 0.25rem;
}
.heatmap {
  display: block;
  width: 100%;
  height: auto;
}
.hm-label {
  fill: var(--fb-fg-muted);
  font-size: 9px;
  font-family: var(--fb-font-sans);
}
.hm-cell {
  fill: var(--fb-bg-inset);
}
.hm-cell[data-level="1"] {
  fill: color-mix(in srgb, var(--fb-accent) 30%, var(--fb-bg-inset));
}
.hm-cell[data-level="2"] {
  fill: color-mix(in srgb, var(--fb-accent) 55%, var(--fb-bg-inset));
}
.hm-cell[data-level="3"] {
  fill: color-mix(in srgb, var(--fb-accent) 78%, var(--fb-bg-inset));
}
.hm-cell[data-level="4"] {
  fill: var(--fb-accent);
}
.heatmap-caption {
  margin: 0.25rem 0 1.5rem;
  font-size: 0.85em;
}

/* Recent-activity feed. */
.activity-feed {
  list-style: none;
  margin: 0;
  padding: 0;
}
.activity-item {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--fb-border);
}
.activity-item:last-child {
  border-bottom: none;
}
.activity-head {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
  font-size: 0.9em;
}
.activity-time {
  margin-left: auto;
}
.activity-commit {
  display: flex;
  gap: 0.6rem;
  margin-top: 0.35rem;
  align-items: baseline;
  color: var(--fb-fg);
}
.activity-commit:hover {
  color: var(--fb-accent);
  text-decoration: none;
}
.commit-sha {
  flex: none;
  color: var(--fb-fg-muted);
  font-size: 0.85em;
}
.commit-summary {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---- Avatars & profile header ---- */
.avatar {
  border-radius: 6px;
  object-fit: cover;
  background: var(--fb-bg-inset);
  border: 1px solid var(--fb-border);
}
.avatar-sm {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 5px;
}
.avatar-lg {
  width: 5rem;
  height: 5rem;
  border-radius: 8px;
}
.avatar-xl {
  width: 100%;
  max-width: 16rem;
  aspect-ratio: 1;
  height: auto;
  border-radius: 10px;
}
/* Two-column profile: info sidebar on the left, repositories on the right. */
.profile-layout {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}
.profile-sidebar {
  flex: none;
  width: 19rem;
}
.profile-main {
  flex: 1;
  min-width: 0;
}
.profile-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.profile-card .avatar-xl {
  align-self: center;
}
.profile-name {
  margin: 0.5rem 0 0;
  font-size: 1.5rem;
  text-align: center;
}
.profile-handle {
  margin: 0;
  text-align: center;
}
/* Follower/following counts and the follow button in the profile sidebar. */
.profile-follow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  margin: 0.5rem 0 0;
  font-size: 0.9em;
}
.profile-follow a {
  color: inherit;
}
.profile-follow a:hover strong {
  color: var(--fb-accent);
}
.profile-follow-btn {
  display: block;
  text-align: center;
  margin: 0.75rem 0 0.25rem;
}
/* A list of users (followers/following) as follow-cards. */
.user-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.user-row {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--fb-border);
}
.user-row:last-child {
  border-bottom: none;
}
.user-row .avatar {
  width: 3rem;
  height: 3rem;
  flex: none;
}
.user-row-body {
  flex: 1;
  min-width: 0;
}
.user-row-name {
  font-weight: 600;
  color: var(--fb-fg);
}
.user-row-bio,
.user-row-loc {
  margin: 0.2rem 0 0;
  font-size: 0.9em;
}
.user-row-bio > :first-child {
  margin-top: 0;
}
.user-row-bio > :last-child {
  margin-bottom: 0;
}
.user-row > .btn {
  flex: none;
  align-self: center;
}
.profile-pronouns {
  padding: 0.05rem 0.5rem;
  border: 1px solid var(--fb-border);
  border-radius: var(--fb-radius);
  font-size: 0.82em;
}
.profile-bio {
  margin: 0.5rem 0;
  padding-top: 0.75rem;
  border-top: 1px solid var(--fb-border);
}
.profile-bio :first-child {
  margin-top: 0;
}
.profile-bio :last-child {
  margin-bottom: 0;
}
.profile-links {
  list-style: none;
  margin: 0;
  padding: 0.75rem 0 0;
  border-top: 1px solid var(--fb-border);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.profile-links li {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
}
.profile-links li .icon {
  flex: none;
  color: var(--fb-fg-muted);
}
.profile-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
  color: var(--fb-accent);
}
.profile-links a span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.profile-joined {
  margin: 0;
  padding-top: 0.75rem;
  border-top: 1px solid var(--fb-border);
  font-size: 0.9em;
}
.avatar-settings {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}
.avatar-form {
  flex: 1;
  min-width: 15rem;
}
.avatar-upload-row {
  display: flex;
  align-items: stretch;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 0.6rem;
}
.avatar-form input[type="file"] {
  flex: 0 1 auto;
  min-width: 0;
  max-width: 100%;
  padding: 0.4rem;
  background: var(--fb-bg-inset);
  border: 1px solid var(--fb-border);
  border-radius: var(--fb-radius);
  color: var(--fb-fg);
}
.avatar-upload-row button[type="submit"] {
  flex: none;
}

/* ---- Search hits ---- */
.search-repo {
  margin: 1.5rem 0 0.6rem;
  font-family: var(--fb-font-mono);
  font-size: 0.95rem;
}
.search-repo a {
  color: var(--fb-fg);
}
.search-repo a:hover {
  color: var(--fb-accent);
}
.search-hit {
  padding: 0;
  overflow: hidden;
  margin-bottom: 0.75rem;
}
.search-hit-path {
  padding: 0.55rem 0.85rem;
  font-weight: 600;
  border-bottom: 1px solid var(--fb-border);
}
.search-hit-lines {
  margin: 0;
  padding: 0.4rem 0;
  background: var(--fb-bg-inset);
  font-family: var(--fb-font-mono);
  font-size: 0.85rem;
  overflow-x: auto;
}
.search-hit-line {
  display: flex;
  gap: 1rem;
  padding: 0 0.85rem;
  white-space: pre;
}
.search-hit-line .lineno {
  flex: none;
  min-width: 2.5rem;
  text-align: right;
  color: var(--fb-fg-muted);
  user-select: none;
}
.search-hit-line code {
  white-space: pre;
}

/* ---- Tables ---- */
table.list {
  width: 100%;
  border-collapse: collapse;
}
table.list th,
table.list td {
  text-align: left;
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid var(--fb-border);
}
table.list th {
  color: var(--fb-fg-muted);
  font-weight: 600;
}

/* ---- Code ---- */
pre.code {
  margin: 0;
  padding: 0.75rem 1rem;
  overflow-x: auto;
  background: var(--fb-bg-inset);
  border-radius: var(--fb-radius);
}

/* ---- Rendered markdown (README, bios) ---- */
.markdown {
  overflow-wrap: break-word;
}
.markdown > :first-child {
  margin-top: 0;
}
.markdown > :last-child {
  margin-bottom: 0;
}
.markdown h1,
.markdown h2 {
  padding-bottom: 0.3em;
  border-bottom: 1px solid var(--fb-border);
  margin: 1.5em 0 1rem;
}
.markdown h3,
.markdown h4 {
  margin: 1.4em 0 0.8rem;
}
.markdown p,
.markdown ul,
.markdown ol,
.markdown blockquote,
.markdown table,
.markdown pre {
  margin: 0 0 1rem;
}
.markdown ul,
.markdown ol {
  padding-left: 1.5rem;
}
.markdown a {
  text-decoration: underline;
}
.markdown blockquote {
  padding: 0 1rem;
  color: var(--fb-fg-muted);
  border-left: 3px solid var(--fb-border);
}
/* Inline code: a subtle chip. */
.markdown code {
  padding: 0.15em 0.4em;
  font-size: 0.9em;
  background: var(--fb-bg-inset);
  border: 1px solid var(--fb-border);
  border-radius: 5px;
}
/* Fenced blocks: a clearly delimited panel; the inner code resets the chip. */
.markdown pre {
  padding: 0.85rem 1rem;
  overflow-x: auto;
  background: var(--fb-bg-inset);
  border: 1px solid var(--fb-border);
  border-radius: var(--fb-radius);
  line-height: 1.45;
}
.markdown pre code {
  padding: 0;
  font-size: 0.9em;
  background: none;
  border: none;
  border-radius: 0;
}
.markdown table {
  border-collapse: collapse;
}
.markdown th,
.markdown td {
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--fb-border);
}
.markdown th {
  background: var(--fb-bg-inset);
}
.markdown img {
  max-width: 100%;
}
.markdown hr {
  border: none;
  border-top: 1px solid var(--fb-border);
  margin: 1.5rem 0;
}
.readme {
  margin-top: 1rem;
}

/* Highlight classes — coloured entirely by the theme's --fb-hl-* tokens. */
.hl-keyword { color: var(--fb-hl-keyword); }
.hl-function { color: var(--fb-hl-function); }
.hl-type { color: var(--fb-hl-type); }
.hl-string { color: var(--fb-hl-string); }
.hl-number { color: var(--fb-hl-number); }
.hl-comment { color: var(--fb-hl-comment); font-style: italic; }
.hl-constant { color: var(--fb-hl-constant); }
.hl-variable { color: var(--fb-hl-variable); }
.hl-operator { color: var(--fb-hl-operator); }
.hl-punctuation { color: var(--fb-hl-punctuation); }
.hl-attribute { color: var(--fb-hl-attribute); }
.hl-tag { color: var(--fb-hl-tag); }

/* ---- Error page ---- */
.error-page {
  text-align: center;
  padding: 5rem 1rem;
}
.error-page .code {
  font-size: 4rem;
  font-weight: 700;
  color: var(--fb-fg-muted);
}
.error-page .req-id {
  font-size: 0.85em;
  color: var(--fb-fg-muted);
}

/* ---- Repo views ---- */
.repo-head {
  margin-bottom: 1.25rem;
}
/* Group listing header: slug on the left, admin actions on the right. */
.group-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}
.group-head-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
/* Icon-only buttons (e.g. the settings gear) must match the height of the
   text buttons beside them: a bare 1em icon is shorter than a text line box, so
   pin both the icon and the button's line-height to the same value. */
.group-head-actions .btn {
  line-height: 1.25rem;
}
.group-head-actions .btn .icon {
  width: 1.25rem;
  height: 1.25rem;
}
/* "forked from owner/repo" line under the repo slug. */
.fork-note {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.9em;
  margin: 0.2rem 0 0;
}
.repo-slug {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
  font-size: 1.4rem;
  font-weight: 400;
  /* Tight line-height so the small private pill centres on the text's optical
     centre rather than the tall default line box. */
  line-height: 1;
}
.repo-slug a {
  color: var(--fb-accent);
}
.slug-sep {
  color: var(--fb-fg-muted);
}
.repo-slug .badge {
  font-size: 0.7rem;
  padding: 0.12rem 0.55rem;
  align-self: center;
  /* Nudge down: flex-centring sits on the em-box centre, which is above the
     optical centre of the lowercase slug text. */
  position: relative;
  top: 0.12rem;
}
/* Tab strips (repo sub-nav, explore sub-nav): active-pill style. */
.repo-tabs,
.profile-tabs,
.subnav {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 0.75rem 0 1.25rem;
}
.profile-tabs {
  margin-top: 0;
}
/* Active toggle button (e.g. a bookmarked repo). */
.btn-active {
  color: var(--fb-accent);
  border-color: var(--fb-accent);
}
/* Inline #n / @user references in rendered markdown. */
.issue-ref,
.user-ref {
  font-weight: 600;
}
/* "View all N repositories" link under the dashboard sidebar list. */
.dashboard-viewall {
  margin: 0.6rem 0 0;
  font-size: 0.9em;
}
/* Releases. */
.releases-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}
.back-link {
  font-size: 0.9em;
}
/* Breadcrumb (Releases / name / Edit). */
.crumbs {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
  font-size: 0.95em;
}
.crumbs a {
  color: var(--fb-accent);
}
.crumb-current {
  color: var(--fb-fg-muted);
}
.release {
  margin-bottom: 1.25rem;
}
.release-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}
.release-title {
  margin: 0;
  font-size: 1.4rem;
}
.release-title a {
  color: var(--fb-fg);
}
.release-meta {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
  margin-top: 0.35rem;
  font-size: 0.9em;
}
.release-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: none;
}
/* The Delete button sits in a card form, so it would otherwise inherit the
   stacked-form top margin and float below the Edit link. Specificity here must
   beat `.card form button[type="submit"]:not(.inline-btn)`. */
.card .release-actions form button[type="submit"]:not(.inline-btn) {
  margin-top: 0;
}
/* Asset management sits below the edit form; give it room to breathe. */
.release-assets-editor {
  margin-top: 1.5rem;
}
.release-notes {
  margin: 1rem 0;
  padding-top: 1rem;
  border-top: 1px solid var(--fb-border);
}
.release-assets h3 {
  margin: 1rem 0 0.5rem;
}
.asset-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid var(--fb-border);
  border-radius: var(--fb-radius);
}
.asset-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.85rem;
  border-bottom: 1px solid var(--fb-border);
}
.asset-row:last-child {
  border-bottom: none;
}
.asset-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 600;
}
.asset-row.source .asset-name {
  font-weight: 400;
}
.asset-size {
  flex: none;
  font-size: 0.85em;
}
.asset-upload {
  margin-top: 0.75rem;
}
/* A dashed drop target that also opens the file picker on click (the file input
   is visually hidden inside the label but stays keyboard- and click-reachable). */
.dropzone {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1.5rem;
  border: 1px dashed var(--fb-border);
  border-radius: var(--fb-radius);
  color: var(--fb-fg-muted);
  text-align: center;
  cursor: pointer;
}
.dropzone:hover,
.dropzone.drag {
  border-color: var(--fb-accent);
  color: var(--fb-fg);
}
.dropzone-input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  opacity: 0;
  pointer-events: none;
}
.asset-upload .btn {
  margin-top: 0.75rem;
}
/* The per-asset delete button sits in a card form; kill the stacked-form top
   margin so it centres in the row, and keep it compact. Specificity beats
   `.card form button[type="submit"]:not(.inline-btn)`. */
.card .asset-list .asset-row form button[type="submit"] {
  margin-top: 0;
}
.asset-row .icon-btn {
  width: 1.75rem;
  height: 1.75rem;
}
.release-form-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
}
/* Notifications inbox. */
.notif-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}
.notif-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.notif-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--fb-border);
}
.notif-row:last-child {
  border-bottom: none;
}
.notif-row.unread {
  background: var(--fb-bg-inset);
}
.notif-icon {
  flex: none;
  color: var(--fb-fg-muted);
}
.notif-row.unread .notif-icon {
  color: var(--fb-accent);
}
.notif-body {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex: 1;
  min-width: 0;
  color: var(--fb-fg);
}
.notif-text {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.notif-time {
  flex: none;
  font-size: 0.85em;
}
.repo-tabs a,
.profile-tabs a,
.subnav a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.9rem;
  border-radius: var(--fb-radius);
  color: var(--fb-fg-muted);
}
.repo-tabs a:hover,
.profile-tabs a:hover,
.subnav a:hover {
  color: var(--fb-fg);
  background: var(--fb-bg-inset);
  text-decoration: none;
}
.repo-tabs a[aria-current="page"],
.profile-tabs a[aria-current="page"],
.subnav a[aria-current="page"] {
  color: var(--fb-fg);
  background: var(--fb-bg-inset);
  font-weight: 600;
}
.subnav {
  justify-content: center;
}
/* Tabs share their line with the branch/commits/clone actions. */
.repo-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.repo-nav .repo-tabs {
  margin: 0.75rem 0 0;
  flex: 1;
}
.repo-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.repo-codesearch {
  margin: 1rem 0 1.25rem;
}

/* Clone dropdown: a no-JS details/summary popover. */
.clone-menu {
  position: relative;
}
.clone-menu > summary {
  list-style: none;
  cursor: pointer;
}
.clone-menu > summary::-webkit-details-marker {
  display: none;
}
.clone-pop {
  position: absolute;
  right: 0;
  top: calc(100% + 0.35rem);
  z-index: 30;
  width: 24rem;
  max-width: 88vw;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
}
.clone-field-label {
  display: block;
  margin-bottom: 0.3rem;
  font-size: 0.78em;
  font-weight: 600;
}
.clone-input {
  display: flex;
  gap: 0.4rem;
}
.clone-input input {
  font-family: var(--fb-font-mono);
  font-size: 0.8em;
}

/* Branch switcher dropdown. */
.branch-menu {
  position: relative;
}
.branch-menu > summary {
  list-style: none;
  cursor: pointer;
}
.branch-menu > summary::-webkit-details-marker {
  display: none;
}
.branch-menu > summary .icon:last-child {
  margin-left: 0.1rem;
}
.branch-pop {
  position: absolute;
  left: 0;
  top: calc(100% + 0.35rem);
  z-index: 30;
  width: 17rem;
  max-width: 88vw;
  max-height: 20rem;
  overflow-y: auto;
  padding: 0.35rem;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
}
.branch-pop-head {
  padding: 0.3rem 0.5rem;
  font-size: 0.78em;
  font-weight: 600;
}
.branch-pop a {
  display: block;
  padding: 0.35rem 0.5rem;
  border-radius: var(--fb-radius);
  color: var(--fb-fg);
  font-family: var(--fb-font-mono);
  font-size: 0.88em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.branch-pop a:hover {
  background: var(--fb-bg-inset);
  text-decoration: none;
}
.branch-pop a[aria-current="page"] {
  color: var(--fb-accent);
  font-weight: 600;
}
.branch-pop-all {
  margin-top: 0.25rem;
  border-top: 1px solid var(--fb-border);
  color: var(--fb-accent) !important;
  font-family: var(--fb-font-sans) !important;
}
.breadcrumb {
  margin-bottom: 0.75rem;
  font-family: var(--fb-font-mono);
}

/* File tree: a bordered card of compact rows. */
.file-tree {
  padding: 0;
  overflow: hidden;
}
.file-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 0.85rem;
  color: var(--fb-fg);
  border-bottom: 1px solid var(--fb-border);
}
.file-row:last-child {
  border-bottom: none;
}
.file-row:hover {
  background: var(--fb-bg-inset);
  text-decoration: none;
}
.file-icon {
  display: inline-flex;
  color: var(--fb-fg-muted);
}
.file-row.is-dir .file-icon {
  color: var(--fb-accent);
}
.file-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
/* A small pill beside a tree entry's name (LFS-tracked file, submodule). */
.tree-pill {
  flex: none;
  padding: 0.02rem 0.4rem;
  font-size: 0.72em;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--fb-fg-muted);
  border: 1px solid var(--fb-border);
  border-radius: 999px;
}
.lfs-pill {
  color: var(--fb-accent);
  border-color: var(--fb-accent);
}
/* Blob header left group: file size with an optional LFS pill beside it. */
.blob-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.file-row.is-submodule .file-icon {
  color: var(--fb-accent);
}

.blob-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 0.5rem 0.75rem;
  background: var(--fb-bg-raised);
  border: 1px solid var(--fb-border);
  border-bottom: none;
  border-radius: var(--fb-radius) var(--fb-radius) 0 0;
}
.blob-actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}
.blob-header .btn {
  padding: 0.3rem 0.6rem;
  font-size: 0.85em;
}
.blob-header .btn.active {
  border-color: var(--fb-accent);
  color: var(--fb-accent);
}

/* Rendered markdown preview continues the blob-header box (no seam). */
.blob-preview {
  padding: 1.25rem 1.5rem;
  background: var(--fb-bg-raised);
  border: 1px solid var(--fb-border);
  border-top: none;
  border-radius: 0 0 var(--fb-radius) var(--fb-radius);
}
/* Inline image preview: flush under the header (no baseline gap), clipped to the
   rounded bottom corners. */
.blob-image {
  background: var(--fb-bg-inset);
  border: 1px solid var(--fb-border);
  border-top: none;
  border-radius: 0 0 var(--fb-radius) var(--fb-radius);
  overflow: hidden;
  line-height: 0;
}
.blob-image img {
  display: block;
  max-width: 100%;
  margin: 0 auto;
}

/* The blob box: border, rounded bottom, scroll, and vertical breathing room. */
.blob-code {
  border: 1px solid var(--fb-border);
  border-top: none;
  border-radius: 0 0 var(--fb-radius) var(--fb-radius);
  background: var(--fb-bg-inset);
  overflow-x: auto;
  padding: 0.5rem 0;
}
table.blob {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--fb-font-mono);
  font-size: 0.85rem;
}
table.blob td.lineno {
  width: 1%;
  min-width: 3rem;
  text-align: right;
  padding: 0 0.75rem;
  color: var(--fb-fg-muted);
  user-select: none;
  vertical-align: top;
}
table.blob td.lineno a {
  color: inherit;
}
table.blob td.code-line {
  padding: 0 0.75rem;
  white-space: pre;
  tab-size: 4;
}
table.blob tr:target {
  background: var(--fb-diff-add-bg);
}

/* ---- Entry rows (commits, branches, tags) ---- */
.entry-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.entry-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--fb-border);
}
.entry-row:last-child {
  border-bottom: none;
}
.entry-row-body {
  min-width: 0;
}
.entry-row-title {
  display: block;
  font-weight: 600;
  color: var(--fb-fg);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.entry-row-title:hover {
  color: var(--fb-accent);
}
.entry-row-meta {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-top: 0.15rem;
  font-size: 0.85em;
}
.entry-row-meta .ahead {
  color: var(--fb-success);
}
/* Branch list meta: bullet-separate the segments (counts · updated · author).
   Ahead/behind stay grouped in `.branch-counts`, so they read as one segment. */
.branch-meta > * + *::before {
  content: "·";
  margin-right: 0.4rem;
  color: var(--fb-fg-muted);
}
.branch-counts {
  display: inline-flex;
  gap: 0.35rem;
}
.entry-row-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: none;
}
/* Action-row submit buttons must not inherit the stacked-form top margin, or
   they float out of vertical alignment with the row. This selector is kept more
   specific than `.card form button[type="submit"]:not(.inline-btn)`. */
.card .entry-row .entry-row-actions form button[type="submit"] {
  margin-top: 0;
}
.commit-sha-pill {
  padding: 0.1rem 0.45rem;
  background: var(--fb-bg-inset);
  border: 1px solid var(--fb-border);
  border-radius: 5px;
  font-size: 0.82em;
  color: var(--fb-fg);
}
.commit-sha-pill:hover {
  border-color: var(--fb-accent);
  text-decoration: none;
}
.commit-copy {
  width: 1.75rem;
  height: 1.75rem;
}

/* Verified-signature hover popover in the commits list. */
.sig-pop-wrap {
  position: relative;
  display: inline-flex;
}
.sig-pop {
  position: absolute;
  right: 0;
  top: calc(100% + 0.35rem);
  z-index: 40;
  width: 21rem;
  max-width: 88vw;
  display: none;
  text-align: left;
  white-space: normal;
  cursor: default;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
}
.sig-pop-wrap:hover .sig-pop,
.sig-pop-wrap:focus-within .sig-pop {
  display: block;
}
.sig-pop-title {
  font-weight: 600;
  margin-bottom: 0.6rem;
}
.sig-pop-signer {
  margin-bottom: 0.6rem;
}
.sig-pop-fp {
  font-size: 0.85em;
  color: var(--fb-fg-muted);
  margin-bottom: 0.4rem;
}
.sig-pop-fp .mono {
  display: block;
  margin-top: 0.15rem;
  color: var(--fb-fg);
  word-break: break-all;
}
.sig-pop-when {
  font-size: 0.85em;
}

/* Commit signature detail bar. */
.sig-detail {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.5rem 0.85rem;
  margin-bottom: 1rem;
  border: 1px solid var(--fb-border);
  border-radius: var(--fb-radius);
  font-size: 0.9em;
}
.sig-verified {
  border-color: var(--fb-success);
}
.sig-verified .sig-signer {
  color: var(--fb-success);
}
.sig-unverified {
  border-color: var(--fb-warning);
}
.sig-fp {
  color: var(--fb-fg-muted);
  word-break: break-all;
}

/* ---- Commit view & diffs ---- */
.commit-meta {
  margin-bottom: 1rem;
}
.commit-title-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.commit-title {
  margin: 0;
  min-width: 0;
}
.commit-title-meta {
  margin: 0;
  font-size: 0.85em;
  text-align: right;
}
.commit-body {
  margin: 0.5rem 0;
  padding: 0.5rem 0.75rem;
  background: var(--fb-bg-inset);
  border-radius: var(--fb-radius);
  white-space: pre-wrap;
  font-family: var(--fb-font-mono);
  font-size: 0.85rem;
}
.diff-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}
.diff-toggle {
  display: inline-flex;
  gap: 0.5rem;
}
.diff-toggle .btn {
  padding: 0.2rem 0.6rem;
}
.diff-toggle .btn.active {
  border-color: var(--fb-accent);
  color: var(--fb-accent);
}
.changed-files {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.5rem 0.75rem;
  margin-bottom: 1rem;
  background: var(--fb-bg-raised);
  border: 1px solid var(--fb-border);
  border-radius: var(--fb-radius);
  font-family: var(--fb-font-mono);
  font-size: 0.85rem;
}
.diff-file {
  margin-bottom: 1rem;
  border: 1px solid var(--fb-border);
  border-radius: var(--fb-radius);
  overflow: hidden;
}
.diff-file > summary {
  padding: 0.5rem 0.75rem;
  background: var(--fb-bg-raised);
  cursor: pointer;
}

table.diff {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--fb-font-mono);
  font-size: 0.82rem;
  background: var(--fb-bg-inset);
}
table.diff td {
  padding: 0 0.5rem;
  white-space: pre-wrap;
  word-break: break-word;
  vertical-align: top;
}
table.diff td.lineno {
  width: 1%;
  min-width: 2.5rem;
  text-align: right;
  color: var(--fb-fg-muted);
  user-select: none;
  white-space: nowrap;
}
table.diff td.diff-marker {
  width: 1ch;
  text-align: center;
  user-select: none;
}
tr.diff-add,
td.diff-add {
  background: var(--fb-diff-add-bg);
}
tr.diff-add td.diff-marker,
tr.diff-add td.code-line {
  color: var(--fb-diff-add-fg);
}
tr.diff-del,
td.diff-del {
  background: var(--fb-diff-del-bg);
}
tr.diff-del td.diff-marker,
tr.diff-del td.code-line {
  color: var(--fb-diff-del-fg);
}
tr.hunk-header td {
  background: var(--fb-bg-raised);
  color: var(--fb-fg-muted);
}
.diff-expander td {
  background: var(--fb-bg-raised);
  text-align: center;
  padding: 0.15rem;
}
.expand-btn {
  background: none;
  border: none;
  color: var(--fb-accent);
  cursor: pointer;
  font: inherit;
}
td.diff-empty {
  background: var(--fb-bg-raised);
}

@media (max-width: 48rem) {
  /* Force unified on narrow screens (§9.6). */
  table.diff-split {
    display: block;
    overflow-x: auto;
  }
}

/* ---- Responsive: single breakpoint at 48rem ---- */
@media (max-width: 48rem) {
  .topbar .tabs {
    margin: 0;
  }
  .page {
    padding: 0.75rem;
  }
  /* The body never scrolls horizontally; wide content scrolls within itself. */
  body {
    overflow-x: hidden;
  }
  /* Comfortable touch targets (>= 44px) for the primary interactive elements. */
  .topbar .tabs a,
  .repo-tabs a,
  .drawer nav a,
  .drawer .drawer-item,
  .btn,
  .icon-btn {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }
  .icon-btn {
    justify-content: center;
    min-width: 44px;
  }
  /* Stack the repo sub-nav: the tab strip scrolls horizontally on its own row
     (rather than wrapping into a tall column), with the branch/clone actions
     on the row below instead of crowding the tabs. */
  .repo-nav {
    flex-direction: column;
    align-items: stretch;
  }
  /* min-width:0 lets the strip shrink below its content so overflow-x:auto
     actually scrolls, instead of the tabs pushing the whole page wider than
     the viewport. The specificity matches the base `.repo-nav .repo-tabs`. */
  .repo-nav .repo-tabs {
    flex: 1 1 auto;
    min-width: 0;
    max-width: 100%;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .repo-tabs a {
    flex: 0 0 auto;
  }
  /* Branch switcher and Clone split the row 50/50, full width. */
  .repo-actions {
    width: 100%;
  }
  .repo-actions > * {
    flex: 1;
    min-width: 0;
  }
  .repo-actions summary.btn,
  .repo-actions > a.btn {
    width: 100%;
    justify-content: center;
  }
  /* List rows stack so a wide action cluster drops below the body instead of
     squeezing it to an unreadable sliver (admin users, keys, emails, commits). */
  .entry-row,
  .key-list .entry-row {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }
  .entry-row-actions {
    flex-wrap: wrap;
  }
  /* Long unbroken meta (key fingerprints, emails) wraps rather than overflowing. */
  .entry-row-meta {
    overflow-wrap: anywhere;
  }
  /* Diff tables scroll within their own box (the blob wrapper already does). */
  table.diff {
    display: block;
    overflow-x: auto;
  }
  /* Stack the profile, dashboard, and issue columns on narrow screens. The
     containers use align-items other than stretch when side-by-side, so reset
     it here or the main column shrinks to its content and overflows. */
  .profile-layout,
  .dashboard,
  .issue-main {
    flex-direction: column;
    align-items: stretch;
  }
  .profile-sidebar,
  .dashboard-side,
  .issue-side,
  .profile-main,
  .dashboard-main {
    width: 100%;
    min-width: 0;
  }
}