/* Settings extends the learner platform's shared surfaces and controls. */
html:root .settings-layout {
  display: grid;
  grid-template-columns: 244px minmax(0, 1fr);
  gap: 36px;
  max-width: 1200px;
  min-height: calc(var(--app-vh) - 68px);
  margin: 0 auto;
  padding: 40px 28px 64px;
}

html:root .settings-rail {
  align-self: start;
  background: transparent;
  color: var(--theme-text);
  min-height: 0;
  padding: 0;
  position: sticky;
  top: 96px;
}
html:root .settings-identity {
  background: transparent;
  border-bottom: 1px solid var(--theme-border);
  gap: 12px;
  grid-template-columns: 42px minmax(0, 1fr);
  min-height: 0;
  padding: 0 8px 24px;
}
html:root .settings-identity > span {
  background: var(--studio-blue);
  border: 0;
  color: var(--theme-link);
  font-size: 1rem;
  height: 42px;
  width: 42px;
}
html:root .settings-identity strong { font-size: .95rem; font-weight: 650; }
html:root .settings-identity small { color: var(--theme-muted); font-size: .75rem; }
html:root .settings-rail nav { gap: 5px; padding: 20px 0; }
html:root .settings-rail nav button {
  border: 0;
  border-radius: 9px;
  color: var(--theme-muted);
  min-height: 64px;
  padding: 12px 14px;
  transition: background-color 160ms, color 160ms;
}
html:root .settings-rail nav button::after { display: none; }
html:root .settings-rail nav button:hover { background: var(--theme-surface); color: var(--theme-text); }
html:root .settings-rail nav button[aria-current="page"] { background: var(--studio-blue); color: var(--theme-link); }
html:root .settings-rail nav button strong { font-size: .9rem; font-weight: 600; }
html:root .settings-rail nav button small { color: var(--theme-muted); font-size: .73rem; margin-top: 3px; }
html:root .settings-rail > a { border: 0; color: var(--theme-link); font-size: .8rem; font-weight: 550; margin: 4px 14px 0; padding: 12px 0; }
html:root .settings-rail > a:hover { text-decoration: underline; text-underline-offset: 4px; }

html:root .settings-workbench {
  background: var(--theme-surface);
  border: 1px solid var(--theme-border);
  border-radius: 14px;
  align-self: start;
}
html:root .settings-workbench-header {
  background: transparent;
  border-bottom: 1px solid var(--theme-border);
  min-height: 0;
  padding: 28px 32px;
}
html:root .settings-workbench-header h1 { font-size: 1.65rem; font-weight: 650; line-height: 1.3; letter-spacing: -.025em; }
html:root .settings-workbench-header p { font-size: .82rem; margin-top: 6px; }
html:root .settings-section { animation: none; background: transparent; min-height: 0; padding: 30px 32px 36px; }
html:root .settings-section > header { border: 0; display: block; padding-bottom: 0; }
html:root .settings-section > header h2 { font-size: 1.25rem; font-weight: 650; line-height: 1.4; letter-spacing: -.02em; max-width: none; text-wrap: pretty; }
html:root .settings-section > header p { font-size: .9rem; line-height: 1.65; margin-top: 8px; max-width: 64ch; }
html:root .settings-section form { margin-top: 28px; }
html:root :is(.settings-field-row, .settings-field-grid) { gap: 22px; }
html:root :is(.settings-field-row, .settings-field-grid) > label:nth-child(n) { border: 0; gap: 8px; padding: 0; }
html:root :is(.settings-field-row, .settings-field-grid, .settings-delete) label > span,
html:root .settings-mobile-select > span { color: var(--theme-text); font-size: .8rem; font-weight: 550; }
html:root :is(.settings-field-row input, .settings-field-grid select, .settings-delete input, .settings-mobile-select select) {
  background: var(--theme-canvas);
  border: 1px solid var(--theme-border);
  border-radius: 8px;
  color: var(--theme-text);
  font-size: 1rem;
  min-height: 48px;
  padding: 10px 14px;
}
html:root :is(.settings-field-grid, .settings-mobile-select) select { appearance: auto; padding-right: 12px; }
html:root .settings-mobile-select::after { display: none; }
html:root .settings-field-row input[readonly] { background: var(--theme-surface); color: var(--theme-muted); }
html:root .settings-record-row { border: 0; gap: 18px; margin-top: 28px; padding: 20px 0; }
html:root .settings-record-row > div { border: 0; padding: 0; }
html:root :is(.settings-record-row, .settings-plan-ledger) span { color: var(--theme-muted); font-size: .75rem; }
html:root .settings-record-row strong { font-size: .85rem; font-weight: 550; line-height: 1.5; margin-top: 6px; }
html:root .settings-help { font-size: .8rem; line-height: 1.65; margin: 24px 0; }
html:root .settings-primary {
  background: var(--cobalt);
  border-radius: 9px;
  color: white;
  font-size: .85rem;
  font-weight: 600;
  min-height: 48px;
  padding: 12px 20px;
}
html:root .settings-primary:hover { background: var(--cobalt-deep); }
html:root .settings-actions { gap: 16px 24px; margin-top: 28px; }
html:root .settings-actions > a:not(.settings-primary) { border: 0; color: var(--theme-link); font-size: .8rem; font-weight: 550; padding: 10px 0; }
html:root .settings-actions > a:not(.settings-primary):hover { text-decoration: underline; text-underline-offset: 4px; }

html:root :is(.settings-path-choice, .settings-size-choice) { gap: 14px; }
html:root :is(.settings-path-choice, .settings-size-choice) legend { font-size: .9rem; font-weight: 600; margin-bottom: 12px; }
html:root :is(.settings-path-choice, .settings-size-choice) > label:nth-child(n) {
  background: var(--theme-surface);
  border: 1px solid var(--theme-border);
  border-radius: 10px;
  color: var(--theme-text);
  min-height: 0;
  padding: 20px;
}
html:root :is(.settings-path-choice, .settings-size-choice) > label::before {
  border: 1px solid var(--theme-muted);
  border-radius: 50%;
  content: "";
  display: block;
  height: 17px;
  margin-bottom: 14px;
  width: 17px;
}
html:root :is(.settings-path-choice, .settings-size-choice) label:has(input:checked) { background: var(--studio-blue); border-color: var(--theme-link); color: var(--theme-text); }
html:root :is(.settings-path-choice, .settings-size-choice) label:has(input:checked)::before { background: var(--cobalt); border: 4px solid var(--studio-blue); outline: 1px solid var(--theme-link); }
html:root .settings-path-choice label:has(input:checked)::after { display: none; }
html:root .settings-path-choice strong { font-size: 1rem; font-weight: 600; line-height: 1.5; }
html:root .settings-path-choice small, html:root .settings-path-choice label:has(input:checked) small { color: var(--theme-muted); font-size: .8rem; line-height: 1.6; margin-top: 8px; }
html:root .settings-size-choice { margin-top: 28px; }
html:root .settings-size-choice strong { line-height: 1.8; }
html:root .settings-size-choice small { font-size: .8rem; font-weight: 550; }
html:root .settings-toggle-list { border-top: 0; }
html:root .settings-toggle-list > label { gap: 24px; grid-template-columns: minmax(0, 1fr) 48px; min-height: 88px; padding: 20px 0; }
html:root .settings-toggle-list strong { font-size: .95rem; font-weight: 600; line-height: 1.5; }
html:root .settings-toggle-list small { font-size: .8rem; line-height: 1.6; margin-top: 4px; }
html:root .settings-toggle-list input { background: var(--theme-border); border: 1px solid var(--theme-muted); border-radius: 20px; height: 28px; width: 48px; }
html:root .settings-toggle-list input::after { border: 0; border-radius: 50%; height: 20px; left: 3px; top: 3px; width: 20px; }
html:root .settings-toggle-list input:checked { background: var(--cobalt); border-color: var(--cobalt); }
html:root .settings-toggle-list input:checked::after { transform: translateX(20px); }
html:root .settings-email-timing { margin-top: 28px; }

html:root .settings-plan-ledger { background: var(--studio-blue); border: 1px solid var(--theme-border); border-radius: 10px; color: var(--theme-text); margin-top: 28px; }
html:root .settings-plan-ledger > div { border-color: var(--theme-border); min-height: 0; padding: 22px; }
html:root .settings-plan-ledger strong { color: var(--theme-text); font-size: 1.15rem; font-weight: 600; line-height: 1.5; margin-top: 10px; }
html:root .settings-membership-note { gap: 12px; grid-template-columns: 1fr; padding: 24px 0; }
html:root .settings-membership-note strong { font-size: .95rem; font-weight: 600; line-height: 1.5; }
html:root .settings-membership-note p { font-size: .85rem; line-height: 1.65; }
html:root .settings-privacy-row { gap: 16px; grid-template-columns: 1fr; min-height: 0; padding: 24px 0; }
html:root :is(.settings-privacy-row, .settings-delete) h3 { font-size: 1rem; font-weight: 600; line-height: 1.5; }
html:root :is(.settings-privacy-row, .settings-delete) p { font-size: .85rem; line-height: 1.65; }
html:root :is(.settings-privacy-row > a, .settings-privacy-row button, .settings-policy-links a) { background: var(--theme-surface); border: 1px solid var(--theme-border); border-radius: 9px; color: var(--theme-text); font-size: .8rem; font-weight: 550; justify-self: start; min-height: 44px; padding: 10px 14px; }
html:root :is(.settings-privacy-row > a, .settings-privacy-row button, .settings-policy-links a):hover { background: var(--studio-blue); color: var(--theme-link); }
html:root .settings-privacy-row > div:last-child:not(:first-child) { flex-wrap: wrap; }
html:root .settings-policy-links { justify-content: flex-start; max-width: none; }
html:root .settings-delete { background: #fff7f6; border: 1px solid #e6bbb7; border-radius: 10px; margin: 28px 0 0; padding: 24px; }
html:root .settings-delete h3 { color: #922e24; }
html:root .settings-delete button { border-radius: 8px; font-size: .8rem; font-weight: 600; }
html[data-theme="dark"] .settings-delete { background: #302224; border-color: #694247; }
html[data-theme="dark"] .settings-delete h3 { color: #ffaaa2; }
html:root .settings-notice { border-radius: 10px; font-size: .85rem; }
html:root .settings-notice button { border-radius: 6px; min-height: 40px; }
html:root .settings-shell :is(button, a, input, select):focus-visible,
html:root :is(.settings-path-choice, .settings-size-choice) label:has(input:focus-visible) { outline: 3px solid var(--theme-link); outline-offset: 4px; }
html:root .settings-loading { background: var(--theme-canvas); color: var(--theme-text); min-height: 60vh; padding: 48px max(24px, calc((100vw - 1000px) / 2)); }
html:root .settings-loading strong { font-size: 1.65rem; font-weight: 650; line-height: 1.4; }
html:root .settings-loading p { color: var(--theme-muted); line-height: 1.65; }
html:root .settings-loading a { color: var(--theme-link); font-size: .9rem; padding: 12px 0; }

@media (max-width: 1000px) {
  html:root .settings-layout { grid-template-columns: 214px minmax(0, 1fr); gap: 24px; padding-inline: 24px; }
  html:root .settings-workbench-header, html:root .settings-section { padding-inline: 24px; }
  html:root .settings-plan-ledger { grid-template-columns: 1fr; }
  html:root .settings-plan-ledger > div { border: 0; border-bottom: 1px solid var(--theme-border); }
  html:root .settings-plan-ledger > div:last-child { border: 0; }
}
@media (max-width: 820px) {
  html:root .settings-layout { display: block; padding: 24px 20px calc(36px + var(--mobile-app-bar, 0px)); }
  html:root .settings-rail { display: none; }
  html:root .settings-workbench-header { align-items: center; background: var(--theme-surface); border-radius: 14px 14px 0 0; gap: 24px; padding: 24px; position: static; }
  html:root .settings-mobile-select { display: grid; gap: 8px; min-width: 210px; }
  html:root .settings-section { padding: 24px 24px 30px; }
}
@media (max-width: 580px) {
  html:root .settings-layout { padding: 16px 12px calc(28px + var(--mobile-app-bar, 0px)); }
  html:root .settings-workbench-header { display: grid; grid-template-columns: minmax(0, 1fr); gap: 18px; padding: 22px 20px; }
  html:root .settings-mobile-select { min-width: 0; }
  html:root .settings-section { padding: 24px 20px 28px; }
  html:root :is(.settings-field-row, .settings-field-grid, .settings-record-row) { grid-template-columns: 1fr; gap: 20px; }
  html:root .settings-record-row { background: var(--theme-canvas); border-radius: 9px; padding: 18px; }
  html:root :is(.settings-path-choice, .settings-size-choice) { grid-template-columns: 1fr; gap: 12px; }
  html:root .settings-toggle-list > label { gap: 16px; }
  html:root .settings-actions { align-items: stretch; flex-direction: column; }
  html:root .settings-primary { width: 100%; }
  html:root .settings-privacy-row > div:last-child:not(:first-child) { align-items: stretch; flex-direction: column; }
  html:root .settings-privacy-row > .settings-policy-links:last-child:not(:first-child) { display: grid; grid-template-columns: 1fr 1fr; }
  html:root .settings-delete { padding: 20px; }
  html:root .settings-notice { bottom: calc(var(--mobile-app-bar, 0px) + 14px); gap: 14px; width: calc(100% - 28px); }
}