/* Settings page (pages/settings.js). */

.settings-layout {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: var(--s-8);
  align-items: start;
}
.settings-nav {
  position: sticky;
  top: calc(var(--topbar-h) + var(--s-6));
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.settings-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 36px;
  padding: 0 12px;
  border-radius: var(--r-sm);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 550;
  text-align: left;
  transition: background-color var(--dur-1) ease, color var(--dur-1) ease;
}
.settings-nav-item .icon { color: var(--text-muted); }
.settings-nav-item:hover { background: var(--surface-3); color: var(--text-primary); }
.settings-nav-item:focus-visible { outline: none; box-shadow: var(--ring); }

.settings-sections { display: flex; flex-direction: column; gap: var(--s-8); }
.settings-section { display: flex; flex-direction: column; gap: var(--s-3); scroll-margin-top: calc(var(--topbar-h) + var(--s-5)); }
.settings-section-head h2 { font-size: 18px; letter-spacing: -0.015em; }
.settings-section-head h2:focus { outline: none; }
.settings-section-head p { margin-top: 2px; color: var(--text-secondary); font-size: 14px; }
.settings-section.is-highlight .settings-card {
  border-color: color-mix(in srgb, var(--brand) 35%, transparent);
  box-shadow: var(--shadow-2), 0 0 0 4px var(--brand-soft);
}
.settings-section.is-danger .settings-card { border-color: color-mix(in srgb, var(--danger) 35%, transparent); }
.settings-section.is-danger h2 { color: var(--danger-text); }

.settings-form { display: flex; flex-direction: column; }
.settings-inline { display: flex; align-items: flex-start; gap: var(--s-3); }
.settings-inline .field { flex: 1; }
.settings-inline .btn { margin-top: 26px; min-height: 42px; }
.settings-actions { display: flex; justify-content: flex-end; margin-top: var(--s-5); }
.settings-password { max-width: 460px; }

.settings-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--s-4);
  margin-top: var(--s-5);
  padding-top: var(--s-5);
  border-top: 1px solid var(--border);
}
.settings-facts dt { color: var(--text-muted); font-size: 12.5px; font-weight: 550; }
.settings-facts dd { margin: 4px 0 0; font-size: 14.5px; font-weight: 550; overflow-wrap: anywhere; }

.settings-rows { display: flex; flex-direction: column; }
.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-5);
  padding-block: var(--s-4);
}
.settings-row:first-child { padding-top: 0; }
.settings-row + .settings-row { border-top: 1px solid var(--border); }
.settings-row-text h3 { font-size: 14.5px; font-weight: 650; }
.settings-row-text p { margin-top: 2px; color: var(--text-muted); font-size: 13px; max-width: 420px; }
.settings-toggles { padding-block: var(--s-2); }

/* ---------- v2: input method, keyboard layout and listening (SPEC 15.6) ---------- */
.settings-row-stack { flex-direction: column; align-items: stretch; gap: var(--s-3); }
.settings-row-stack .settings-row-text p { max-width: 560px; }
.settings-seg-label { display: inline-flex; align-items: center; gap: 8px; }
.settings-seg-label .icon { flex: none; }
.settings-methods { display: flex; align-self: stretch; }
.settings-methods .segmented-item { flex: 1; min-height: 40px; }
.settings-group { padding-top: var(--s-4); border-top: 1px solid var(--border); }
.settings-group + .settings-group { margin-top: var(--s-2); }
.settings-group-title {
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.settings-group .settings-toggles { padding-block: 0 var(--s-2); }
.settings-practice .settings-row:has(+ .settings-group) { padding-bottom: var(--s-5); }

.settings-voice-row { display: flex; gap: var(--s-3); align-items: center; }
.settings-voice { flex: 1; min-width: 0; }
.settings-voice-row .btn { flex: none; min-height: 42px; }
.settings-voice-note {
  display: flex;
  gap: var(--s-3);
  padding: var(--s-3) var(--s-4);
  border-radius: var(--r-md);
  background: var(--warning-soft);
  color: var(--warning-text);
  font-size: 13.5px;
  line-height: 1.5;
}
.settings-voice-note .icon { flex: none; margin-top: 2px; }
.settings-voice-note p { margin-top: 2px; color: var(--text-secondary); }

.settings-rate-row { display: flex; align-items: center; gap: var(--s-3); }
.settings-rate-end { flex: none; color: var(--text-muted); font-size: 12.5px; font-weight: 550; }
.settings-rate-value {
  flex: none;
  min-width: 58px;
  padding: 4px 8px;
  border-radius: var(--r-sm);
  background: var(--surface-3);
  font-size: 13.5px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  text-align: center;
}
.settings-rate {
  --fill: 50%;
  flex: 1;
  min-width: 0;
  height: 28px;
  margin: 0;
  background: transparent;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}
.settings-rate:focus-visible { outline: none; }
.settings-rate::-webkit-slider-runnable-track {
  height: 6px;
  border-radius: var(--r-pill);
  background: linear-gradient(to right, var(--brand) var(--fill), var(--surface-3) var(--fill));
}
.settings-rate::-moz-range-track { height: 6px; border-radius: var(--r-pill); background: var(--surface-3); }
.settings-rate::-moz-range-progress { height: 6px; border-radius: var(--r-pill); background: var(--brand); }
.settings-rate::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  margin-top: -7px;
  border: 2px solid var(--brand);
  border-radius: 50%;
  background: var(--surface-1);
  box-shadow: var(--shadow-1);
  transition: transform var(--dur-1) ease;
}
.settings-rate::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border: 2px solid var(--brand);
  border-radius: 50%;
  background: var(--surface-1);
}
.settings-rate:hover::-webkit-slider-thumb { transform: scale(1.08); }
.settings-rate:focus-visible::-webkit-slider-thumb { box-shadow: var(--ring); }
.settings-rate:focus-visible::-moz-range-thumb { box-shadow: var(--ring); }

.segmented-fonts .segmented-item { min-height: 40px; }
.font-option { display: inline-flex; align-items: center; gap: 8px; }
.font-option-sample { font-size: 18px; font-weight: 600; line-height: 1; color: var(--text-primary); }
.font-textbook { font-family: "Klee One", var(--font-jp); }
.font-gothic { font-family: var(--font-jp); font-weight: 500; }
.settings-font-preview {
  margin-top: var(--s-2);
  padding: var(--s-4) var(--s-5);
  border-radius: var(--r-md);
  border: 1px dashed var(--border-strong);
  background: var(--surface-2);
  font-size: 26px;
  letter-spacing: .02em;
  text-align: center;
  color: var(--text-primary);
  overflow-wrap: anywhere;
}

.settings-upgrade .auth-form > .btn { margin-top: var(--s-5); }
.settings-callout {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  margin-bottom: var(--s-5);
  padding: var(--s-3) var(--s-4);
  border-radius: var(--r-md);
  background: var(--brand-soft);
  color: var(--brand-text);
  font-size: 14px;
  font-weight: 550;
}
.settings-callout .icon { flex: none; }

@media (max-width: 900px) {
  .settings-layout { grid-template-columns: minmax(0, 1fr); gap: var(--s-5); }
  .settings-nav {
    position: static;
    flex-direction: row;
    overflow-x: auto;
    margin-inline: calc(var(--s-4) * -1);
    padding-inline: var(--s-4);
    scrollbar-width: none;
  }
  .settings-nav::-webkit-scrollbar { display: none; }
  .settings-nav-item { flex: none; border: 1px solid var(--border); background: var(--surface-1); border-radius: var(--r-pill); }
}
@media (max-width: 640px) {
  .settings-row { flex-direction: column; align-items: stretch; gap: var(--s-3); }
  .settings-row .segmented { align-self: stretch; }
  .settings-row .segmented-item { flex: 1; }
  .danger-row .btn { align-self: flex-start; }
  .settings-facts { grid-template-columns: 1fr 1fr; }
  .settings-facts > :first-child { grid-column: 1 / -1; }
  .settings-inline { flex-direction: column; align-items: stretch; }
  .settings-inline .btn { margin-top: 0; }
  .settings-font-preview { font-size: 21px; }
  .settings-methods .segmented-item { padding-inline: 6px; font-size: 12.5px; }
  .settings-methods .settings-seg-label { flex-direction: column; gap: 2px; }
  .settings-voice-row { flex-direction: column; align-items: stretch; }
  .settings-rate-end { display: none; }
}