/* ═══════════════════════════════════════════════════════════════════════════
   styles/settings-menu.css
   ─────────────────────────────────────────────────────────────────────────
   V3 settings menu · two-pane (sidebar nav · detail pane) overlay that
   takes over .mushaf-shell when the wrench is tapped. Ports the chosen
   variant from Deferred/preview-v3-settings-variants.html.
   Ships v185.
   ═══════════════════════════════════════════════════════════════════════════ */

.mushaf-shell .mu-settings-menu {
  position: absolute;
  inset: 0;
  background: var(--bg-1, #0f1418);
  z-index: 50;
  display: none;
  flex-direction: column;
  animation: muSettingsIn .22s ease-out;
}
.mushaf-shell.is-settings-on .mu-settings-menu { display: flex; }

@keyframes muSettingsIn {
  from { transform: translateY(6px); opacity: 0; }
  to   { transform: translateY(0);   opacity: 1; }
}

/* When settings is open, hide the chrome rows underneath (top bar +
   page paper + memo attach). The overlay covers them but we also opt
   out of paint-cost on the obscured tree. */
.mushaf-shell.is-settings-on > .ed-row,
.mushaf-shell.is-settings-on > .mushaf-host,
.mushaf-shell.is-settings-on > .mu-mz-attach {
  visibility: hidden;
}

.mu-settings-head {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--hair, rgba(232,228,216,.10));
  flex-shrink: 0;
}
.mu-settings-head .mu-settings-back {
  background: none; border: none;
  color: var(--ink-1, #c6c0b0);
  font: 200 24px Manrope, sans-serif;
  cursor: pointer; padding: 4px 8px;
  border-radius: 6px;
  line-height: 1;
}
.mu-settings-head .mu-settings-back:hover {
  background: var(--bg-2, #141a1f);
  color: var(--gilt, #d5b157);
}
.mu-settings-head .mu-settings-title {
  font: 700 13px Manrope, sans-serif;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--gilt, #d5b157);
}

/* Legacy two-pane body · kept for back-compat callers that may still
   reach for `.mu-settings-body`. The card-hub layout (v193+) uses
   `.mu-settings-body-card` below. */
.mu-settings-body {
  display: grid;
  grid-template-columns: 304px 1fr;
  flex: 1; overflow: hidden;
}

/* ═══════════════════════════════════════════════════════════════════
   v193 · 2026-05-18 · Card-grid hub (preview-settings-simplified-5
   variants pick #3). Replaces the sidebar list with a 2×2 launcher
   grid. Tap a card → detail page (full width); back arrow returns to
   the hub.
   ═══════════════════════════════════════════════════════════════════ */
.mu-settings-body-card {
  flex: 1; overflow-y: auto; overflow-x: hidden;
  background: var(--bg-1, #0f1418);
}
.mu-card-hub {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 16px;
  padding: 22px;
  min-height: 100%;
}
.mu-hub-card {
  display: flex; flex-direction: column;
  gap: 10px;
  padding: 26px;
  background: var(--bg-2, #141a1f);
  border: 1px solid var(--hair, rgba(232,228,216,.10));
  border-radius: 16px;
  text-align: left;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: border-color .15s, background .15s, transform .12s;
  font: inherit; color: inherit;
  min-height: 180px;
}
.mu-hub-card:hover {
  border-color: var(--gilt, #d5b157);
  background: rgba(213, 177, 87, .04);
  transform: translateY(-2px);
}
.mu-hub-card:active { transform: translateY(0); }
.mu-hub-card:focus-visible {
  outline: 2px solid var(--gilt, #d5b157);
  outline-offset: 3px;
}
.mu-hub-icn {
  font: 200 36px Manrope, sans-serif;
  color: var(--gilt, #d5b157);
  line-height: 1;
}
.mu-hub-nm {
  font: 700 19px Manrope, sans-serif;
  color: var(--ink-0, #e9e4d6);
  letter-spacing: .01em;
}
.mu-hub-desc {
  font: 400 13px/1.55 Manrope, sans-serif;
  color: var(--ink-2, #8d8779);
  flex: 1;
  max-width: 340px;
}
.mu-hub-meta {
  font: 500 10.5px Manrope, sans-serif;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-3, #5a5447);
  margin-top: 4px;
}

/* Detail mode · full-width pane (no nav rail in the card-hub layout) */
.mu-settings-detail-pane {
  padding: 24px 36px 36px;
  max-width: 920px;
  margin: 0 auto;
}
.mu-detail-sec-h {
  font: 600 10px Manrope, sans-serif;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-3, #5a5447);
  margin: 18px 0 12px;
}
.mu-detail-sec-h:first-child { margin-top: 4px; }

/* ── Theme picker (Display section) ── */
.mu-theme-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 8px;
}
.mu-theme-grp-h {
  grid-column: 1 / -1;
  font: 600 10px Manrope, sans-serif;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-3, #5a5447);
  margin: 16px 0 4px;
}
.mu-theme-grp-h:first-of-type { margin-top: 0; }
.mu-theme-row {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  min-height: 44px;
  background: var(--bg-2, #141a1f);
  border: 1px solid var(--hair, rgba(232,228,216,.10));
  border-radius: 8px;
  cursor: pointer;
  font: inherit; color: inherit;
  -webkit-tap-highlight-color: transparent;
  transition: border-color .12s, background .12s;
}
.mu-theme-row:hover { border-color: var(--hair-2, rgba(232,228,216,.18)); }
.mu-theme-row.is-on {
  border-color: var(--gilt, #d5b157);
  background: rgba(213, 177, 87, .08);
}
.mu-theme-row.is-on .mu-theme-nm {
  color: var(--gilt, #d5b157);
  font-weight: 600;
}
.mu-theme-sw {
  width: 24px; height: 24px;
  border-radius: 6px;
  border: 1px solid rgba(0, 0, 0, .30);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .04);
  flex-shrink: 0;
}
/* Per-theme swatch colors · mirror what data-ui produces on <html>.
   We render the swatch independent of the page's data-ui so the picker
   shows every theme's color regardless of which one is currently
   active. Hex literals stay here only — single source of truth. */
.mu-theme-sw[data-theme-sw="mushaf"]       { background: #f3eedd; }
.mu-theme-sw[data-theme-sw="medina"]       { background: #fafafa; }
.mu-theme-sw[data-theme-sw="notion"]       { background: #ffffff; border-color: #ccc; }
.mu-theme-sw[data-theme-sw="tarteel"]      { background: #f5e6c8; }
.mu-theme-sw[data-theme-sw="qcom-light"]   { background: #fff8e7; }
.mu-theme-sw[data-theme-sw="arc"]          { background: #fafbfb; }
.mu-theme-sw[data-theme-sw="material"]     { background: #eeeeee; }
.mu-theme-sw[data-theme-sw="ia"]           { background: #fafafa; }
.mu-theme-sw[data-theme-sw="madinah"]      { background: #f3e8d0; }
.mu-theme-sw[data-theme-sw="ottoman"]      { background: #ece4cf; }
.mu-theme-sw[data-theme-sw="alhambra"]     { background: #f1ddc4; }
.mu-theme-sw[data-theme-sw="zamzam"]       { background: #e8e0c2; }
.mu-theme-sw[data-theme-sw="qcom-dark"]    { background: #0f1418; }
.mu-theme-sw[data-theme-sw="ramadan"]      { background: #1a0f1a; }
.mu-theme-sw[data-theme-sw="vision"]       { background: #0a0a0a; }
.mu-theme-sw[data-theme-sw="muslimpro"]    { background: #1a1a2e; }
.mu-theme-sw[data-theme-sw="linear"]       { background: #0d0d0d; }
.mu-theme-sw[data-theme-sw="vercel"]       { background: #000; }
.mu-theme-sw[data-theme-sw="terminal"]     { background: #0a0e0a; }
.mu-theme-sw[data-theme-sw="notion-dark"]  { background: #191919; }
.mu-theme-sw[data-theme-sw="kiswah"]       { background: #0e0e0e; }
.mu-theme-sw[data-theme-sw="cosmic"]       { background: linear-gradient(135deg,#1a1530,#5b3a8a); }
.mu-theme-sw[data-theme-sw="cosmic-warm"]  { background: linear-gradient(135deg,#3a1810,#a8542a); }
.mu-theme-sw[data-theme-sw="cosmic-cool"]  { background: linear-gradient(135deg,#0d1830,#2a5a8a); }
.mu-theme-sw[data-theme-sw="cosmic-bal"]   { background: linear-gradient(135deg,#1d2440,#6a4090); }
.mu-theme-sw[data-theme-sw="ambient-soft"] { background: #1a1f25; }
.mu-theme-sw[data-theme-sw="ambient-lit"]  { background: linear-gradient(135deg,#2a2a40,#403048); }
.mu-theme-sw[data-theme-sw="ambient-deep"] { background: #0a0d12; }
.mu-theme-nm {
  font: 500 12.5px Manrope, sans-serif;
  color: var(--ink-1, #c6c0b0);
  letter-spacing: .01em;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.mu-theme-ck {
  color: var(--gilt, #d5b157);
  font: 600 12px Manrope, sans-serif;
  opacity: 0;
}
.mu-theme-row.is-on .mu-theme-ck { opacity: 1; }

/* ── About section ── */
.mu-about {
  text-align: center;
  padding: 12px 0 0;
}
.mu-about-logo {
  font: italic 600 36px "Cormorant Garamond", "Georgia", serif;
  color: var(--gilt, #d5b157);
  letter-spacing: .01em;
  margin-bottom: 4px;
}
.mu-about-tag {
  font: 500 13px Manrope, sans-serif;
  color: var(--ink-2, #8d8779);
  margin-bottom: 28px;
}
.mu-about .mu-stx-row {
  max-width: 540px;
  margin: 0 auto;
  text-align: left;
}
.mu-about-credits {
  margin-top: 32px;
  font: 400 12.5px/1.6 Manrope, sans-serif;
  color: var(--ink-3, #5a5447);
  max-width: 460px;
  margin-left: auto;
  margin-right: auto;
  font-style: italic;
}
.mu-settings-nav {
  background: var(--bg-0, #0b0f12);
  border-right: 1px solid var(--hair, rgba(232,228,216,.10));
  overflow-y: auto;
  padding: 8px 0;
}
.mu-settings-nav .mu-nav-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px;
  font: 500 13.5px Manrope, sans-serif;
  color: var(--ink-1, #c6c0b0);
  cursor: pointer;
  border-left: 3px solid transparent;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.mu-settings-nav .mu-nav-item:hover { background: var(--bg-2, #141a1f); }
.mu-settings-nav .mu-nav-item.is-on {
  color: var(--gilt, #d5b157);
  border-left-color: var(--gilt, #d5b157);
  background: rgba(213, 177, 87, .06);
  font-weight: 600;
}
.mu-settings-nav .mu-nav-item .mu-nav-chev {
  color: var(--ink-3, #5a5447);
  font: 500 16px Manrope, sans-serif;
}
.mu-settings-nav .mu-nav-badge {
  background: var(--gilt, #d5b157);
  color: #0f1418;
  font: 800 8.5px Manrope, sans-serif;
  padding: 2px 6px;
  border-radius: 99px;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-left: 6px;
}

.mu-settings-detail {
  padding: 24px 36px 36px;
  overflow-y: auto;
}
.mu-settings-detail h3 {
  display: flex; align-items: baseline; justify-content: space-between;
  font: 600 20px Manrope, sans-serif;
  color: var(--ink-0, #e9e4d6);
  margin: 0 0 18px;
}
.mu-settings-detail h3 .mu-h3-meta {
  font: 500 11px Manrope, sans-serif;
  color: var(--ink-2, #8d8779);
  letter-spacing: .04em;
}

/* Generic settings row primitives */
.mu-stx-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 11px 0;
  border-bottom: 1px solid var(--hair, rgba(232,228,216,.10));
  min-height: 44px;
}
.mu-stx-row:last-child { border-bottom: 0; }
.mu-stx-row .mu-k {
  font: 500 13px Manrope, sans-serif;
  color: var(--ink-0, #e9e4d6);
}
.mu-stx-row .mu-v {
  font: 500 12.5px Manrope, sans-serif;
  color: var(--ink-2, #8d8779);
  display: flex; align-items: center; gap: 6px;
}
.mu-stx-row .mu-v.is-gilt { color: var(--gilt, #d5b157); font-weight: 600; }
.mu-stx-row .mu-chev {
  color: var(--ink-3, #5a5447);
  font: 500 15px Manrope, sans-serif;
}
.mu-stx-section {
  padding: 12px 0;
}
.mu-stx-section + .mu-stx-section { border-top: 1px solid var(--hair, rgba(232,228,216,.10)); }
.mu-stx-sec-h {
  font: 600 9.5px Manrope, sans-serif;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--ink-3, #5a5447);
  margin-bottom: 8px;
}

/* iOS-style toggle */
.mu-toggle {
  width: 38px; height: 22px;
  background: var(--bg-3, #1a2128);
  border-radius: 99px;
  position: relative; cursor: pointer;
  border: 1px solid var(--hair, rgba(232,228,216,.10));
  flex-shrink: 0;
  transition: background .15s, border-color .15s;
}
.mu-toggle::after {
  content: ""; position: absolute; top: 1px; left: 1px;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--ink-2, #8d8779);
  transition: all .15s;
}
.mu-toggle.is-on {
  background: var(--gilt, #d5b157);
  border-color: var(--gilt, #d5b157);
}
.mu-toggle.is-on::after { background: #0f1418; left: 17px; }

/* Placeholder section · "Coming soon" */
.mu-stx-placeholder {
  margin-top: 18px;
  padding: 28px 24px;
  text-align: center;
  background: var(--bg-2, #141a1f);
  border: 1px dashed var(--hair-2, rgba(232,228,216,.18));
  border-radius: 12px;
  color: var(--ink-2, #8d8779);
}
.mu-stx-placeholder .mu-ph-icon {
  font: 200 32px Manrope, sans-serif;
  color: var(--gilt, #d5b157);
  margin-bottom: 10px;
}
.mu-stx-placeholder .mu-ph-ti {
  font: 600 14px Manrope, sans-serif;
  color: var(--ink-0, #e9e4d6);
  margin-bottom: 6px;
}
.mu-stx-placeholder .mu-ph-bd {
  font: 400 12.5px/1.55 Manrope, sans-serif;
  color: var(--ink-2, #8d8779);
  max-width: 420px; margin: 0 auto;
}

/* ─────── Offline section · downloader ─────── */
.mu-off-card {
  background: var(--bg-2, #141a1f);
  border: 1px solid var(--hair, rgba(232,228,216,.10));
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 18px;
}
.mu-off-card.is-dashed {
  background: var(--bg-2, #141a1f);
  border-style: dashed;
  border-color: var(--hair-2, rgba(232,228,216,.18));
}
.mu-off-card .mu-off-card-row {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 14px;
}
.mu-off-card-title {
  font: 600 13px Manrope, sans-serif;
  color: var(--ink-0, #e9e4d6);
  margin-bottom: 4px;
}
.mu-off-card-tag {
  font: 600 9px Manrope, sans-serif;
  color: var(--gilt, #d5b157);
  letter-spacing: .18em;
  text-transform: uppercase;
  margin-left: 6px;
}
.mu-off-card-body {
  font: 400 11.5px/1.5 Manrope, sans-serif;
  color: var(--ink-2, #8d8779);
  max-width: 480px;
}

.mu-off-sec-h {
  font: 600 9.5px Manrope, sans-serif;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-3, #5a5447);
  margin: 0 0 10px;
}

.mu-off-presets {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  gap: 6px;
  margin-bottom: 14px;
}
.mu-off-presets button {
  padding: 11px 0;
  border: 1px solid var(--hair, rgba(232,228,216,.10));
  background: var(--bg-3, #1a2128);
  border-radius: 7px;
  color: var(--ink-1, #c6c0b0);
  font: 600 11px Manrope, sans-serif;
  cursor: pointer;
  transition: border-color .12s, color .12s;
}
.mu-off-presets button:hover { border-color: var(--gilt, #d5b157); color: var(--gilt, #d5b157); }
.mu-off-presets button.is-active {
  border-color: var(--gilt, #d5b157);
  background: rgba(213, 177, 87, .10);
  color: var(--gilt, #d5b157);
  font-weight: 700;
}

.mu-off-range {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 8px; margin-bottom: 10px;
}
.mu-off-range label { display: block; }
.mu-off-range .mu-off-lbl {
  font: 500 9px Manrope, sans-serif;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--ink-3, #5a5447);
  margin-bottom: 4px;
}
.mu-off-range select {
  padding: 9px 24px 9px 10px;
  background: var(--bg-3, #1a2128) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path d='M1 1l4 4 4-4' stroke='%238d8779' stroke-width='1.4' fill='none' stroke-linecap='round'/></svg>") no-repeat right 9px center;
  border: 1px solid var(--hair, rgba(232,228,216,.10));
  border-radius: 6px;
  color: var(--ink-0, #e9e4d6);
  font: 600 12px Manrope, sans-serif;
  cursor: pointer;
  width: 100%;
  -webkit-appearance: none; appearance: none;
}
.mu-off-range select:focus { border-color: var(--gilt, #d5b157); outline: none; }

.mu-off-estimate {
  background: var(--bg-2, #141a1f);
  border: 1px dashed var(--hair-2, rgba(232,228,216,.18));
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 14px;
  display: flex; justify-content: space-between; align-items: center;
  font: 500 12px Manrope, sans-serif;
  color: var(--ink-2, #8d8779);
  flex-wrap: wrap; gap: 8px;
}
.mu-off-estimate .mu-off-legend {
  display: flex; gap: 10px;
  font: 500 10px Manrope, sans-serif;
  color: var(--ink-3, #5a5447);
  letter-spacing: .1em; text-transform: uppercase;
}
.mu-off-estimate .mu-off-legend span span.dot { color: var(--gilt, #d5b157); margin-right: 2px; }
.mu-off-estimate .mu-off-legend span.is-off span.dot { color: var(--ink-3, #5a5447); }

.mu-off-download-btn {
  width: 100%; padding: 14px;
  border: none; border-radius: 8px;
  background: linear-gradient(180deg, var(--gilt, #d5b157), var(--gilt-soft, #a78840));
  color: #0f1418;
  font: 800 12px Manrope, sans-serif;
  letter-spacing: .22em; text-transform: uppercase;
  cursor: pointer;
  margin-bottom: 8px;
  transition: filter .15s, transform .08s;
}
.mu-off-download-btn:hover { filter: brightness(1.04); }
.mu-off-download-btn:active { transform: translateY(1px); }
.mu-off-download-btn:disabled {
  background: var(--bg-3, #1a2128); color: var(--ink-3, #5a5447);
  cursor: not-allowed;
}
.mu-off-download-meta {
  font: 400 10.5px Manrope, sans-serif;
  color: var(--ink-3, #5a5447);
  text-align: center; margin-bottom: 24px;
}

/* Progress card */
.mu-off-progress-card {
  background: var(--bg-2, #141a1f);
  border: 1px solid var(--hair, rgba(232,228,216,.10));
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 14px;
}
.mu-off-progress-head {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 8px;
}
.mu-off-progress-head .mu-off-pti {
  font: 600 12.5px Manrope, sans-serif;
  color: var(--ink-0, #e9e4d6);
}
.mu-off-progress-head .mu-off-ppct {
  font: 500 11px Manrope, sans-serif;
  color: var(--gilt, #d5b157);
}
.mu-off-bar {
  height: 5px;
  background: var(--bg-3, #1a2128);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 8px;
}
.mu-off-bar > div {
  height: 100%;
  background: linear-gradient(90deg, var(--gilt, #d5b157), var(--gilt-soft, #a78840));
  border-radius: 3px;
  transition: width .25s ease-out;
}
.mu-off-progress-foot {
  display: flex; justify-content: space-between;
  font: 500 10.5px Manrope, sans-serif;
  color: var(--ink-2, #8d8779);
}
.mu-off-cancel {
  background: none; border: none;
  color: var(--ink-2, #8d8779);
  font: 600 9.5px Manrope, sans-serif;
  letter-spacing: .16em; text-transform: uppercase;
  cursor: pointer;
}
.mu-off-cancel:hover { color: var(--rust, #c97a5a); }

/* Cached list */
.mu-off-cached-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 11px 14px;
  background: var(--bg-2, #141a1f);
  border-bottom: 1px solid var(--hair, rgba(232,228,216,.10));
}
.mu-off-cached-row:first-of-type { border-radius: 8px 8px 0 0; }
.mu-off-cached-row:last-of-type  { border-radius: 0 0 8px 8px; border-bottom: 0; }
.mu-off-cached-row .mu-k {
  font: 500 12.5px Manrope, sans-serif;
  color: var(--ink-0, #e9e4d6);
}
.mu-off-cached-row .mu-v {
  display: flex; align-items: center; gap: 10px;
  font: 500 11.5px Manrope, sans-serif;
  color: var(--ink-3, #5a5447);
}
.mu-off-cached-row .mu-v .mu-ready {
  color: var(--mint, #9fb89c);
  font: 600 10px Manrope, sans-serif;
  letter-spacing: .14em; text-transform: uppercase;
}
.mu-off-cached-row .mu-v .mu-rm {
  background: none; border: none;
  color: var(--ink-3, #5a5447); cursor: pointer; font-size: 18px;
  line-height: 1; padding: 0 2px;
}
.mu-off-cached-row .mu-v .mu-rm:hover { color: var(--rust, #c97a5a); }

.mu-off-cached-empty {
  padding: 24px;
  text-align: center;
  background: var(--bg-2, #141a1f);
  border: 1px dashed var(--hair, rgba(232,228,216,.10));
  border-radius: 8px;
  font: 500 12px Manrope, sans-serif;
  color: var(--ink-3, #5a5447);
}

.mu-off-actions {
  display: flex; gap: 8px;
  margin-top: 18px;
}
.mu-off-actions button {
  flex: 1; padding: 11px;
  border: 1px solid var(--hair, rgba(232,228,216,.10));
  background: var(--bg-2, #141a1f);
  border-radius: 7px;
  color: var(--ink-1, #c6c0b0);
  font: 600 10.5px Manrope, sans-serif;
  letter-spacing: .16em; text-transform: uppercase;
  cursor: pointer;
  transition: border-color .12s, color .12s;
}
.mu-off-actions button.is-danger {
  border-color: rgba(201, 122, 90, .40);
  background: rgba(201, 122, 90, .06);
  color: var(--rust, #c97a5a);
}
.mu-off-actions button.is-danger:hover {
  background: rgba(201, 122, 90, .12);
}

/* Narrow viewport · keep usable on iPad portrait when shell is the full
   width of the viewport (memo sidebar stays hidden during settings). */
@media (max-width: 700px) {
  .mu-settings-body { grid-template-columns: 1fr; }
  .mu-settings-nav { border-right: 0; border-bottom: 1px solid var(--hair); padding: 4px 0; }
  .mu-settings-nav .mu-nav-item { padding: 11px 16px; }
  .mu-settings-detail { padding: 16px 18px 26px; }
}