/* BrainOff settings workspace — loaded after the shared workspace styles. */
#appShell .main > .settings-center {
  width: 100%;
  max-width: 1380px;
  gap: 26px;
}

/* Quiet, document-like navigation with a clear current section. */
#appShell .settings-center .settings-tabs {
  display: flex;
  width: 100%;
  min-height: 54px;
  padding: 0;
  gap: 30px;
  overflow-x: auto;
  border: 0;
  border-bottom: 1px solid var(--workspace-line);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  scrollbar-width: none;
}

#appShell .settings-center .settings-tabs::-webkit-scrollbar { display: none; }

#appShell .settings-center .settings-tab {
  position: relative;
  flex: 0 0 auto;
  min-width: 0;
  min-height: 54px;
  padding: 4px 2px 14px;
  gap: 8px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--workspace-muted);
  box-shadow: none;
  white-space: nowrap;
}

#appShell .settings-center .settings-tab::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  background: transparent;
}

#appShell .settings-center .settings-tab span {
  display: none;
  color: #8a968e;
  font-size: 10px;
  font-weight: 650;
  letter-spacing: .06em;
}

#appShell .settings-center .settings-tab b {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .01em;
}

#appShell .settings-center .settings-tab:hover {
  background: transparent;
  color: var(--workspace-ink);
}

#appShell .settings-center .settings-tab.active {
  background: transparent;
  color: var(--workspace-green);
}

#appShell .settings-center .settings-tab.active::after { background: var(--workspace-mint-deep); }
#appShell .settings-center .settings-tab.active span { color: var(--workspace-mint-deep); }

#appShell .settings-center .settings-tab-panel { min-width: 0; }

/* Every settings area uses the same restrained section treatment. */
#appShell .settings-center .settings-panel {
  min-width: 0;
  padding: clamp(20px, 2.4vw, 30px);
  gap: 22px;
  overflow: visible;
  border: 1px solid var(--workspace-line);
  border-radius: 16px;
  background: var(--workspace-surface);
  box-shadow: 0 10px 30px rgb(9 18 15 / 4%);
}

#appShell .settings-center .settings-panel::before { display: none; }

#appShell .settings-center .section-head {
  align-items: flex-start;
  gap: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--workspace-line);
}

#appShell .settings-center .section-head h3 {
  margin: 0;
  color: var(--workspace-green);
  font-size: 19px;
  font-weight: 650;
  line-height: 1.35;
}

#appShell .settings-center .section-copy {
  max-width: 720px;
  margin-top: 7px;
  font-size: 13px;
  line-height: 1.65;
}

#appShell .settings-center .section-head > .badge { flex: 0 0 auto; }

/* API setup: compact guidance beside a roomy, single-column credential form. */
#appShell #settingsPanelApi { width: min(100%, 1120px); }

#appShell #settingsPanelApi .api-connect-layout {
  display: grid;
  grid-template-columns: minmax(270px, .82fr) minmax(380px, 1.18fr);
  align-items: stretch;
  gap: clamp(20px, 3vw, 36px);
}

#appShell #settingsPanelApi .api-guide-summary {
  display: grid;
  grid-template-columns: 136px minmax(0, 1fr);
  align-content: center;
  align-items: center;
  min-height: 148px;
  padding: 16px;
  gap: 15px;
  border: 1px solid var(--workspace-line);
  border-radius: 13px;
  background: #f1f5f1;
  color: var(--workspace-ink);
  box-shadow: none;
}

#appShell #settingsPanelApi .api-guide-summary:hover {
  border-color: var(--workspace-mint-deep);
  background: #eaf1eb;
  box-shadow: none;
}

#appShell #settingsPanelApi .api-guide-thumbnail {
  width: 136px;
  height: 94px;
  border-color: #c6cbbb;
  border-radius: 9px;
  box-shadow: none;
}

#appShell #settingsPanelApi .api-guide-summary-copy b { font-size: 14px; font-weight: 650; }
#appShell #settingsPanelApi .api-guide-summary-copy small { line-height: 1.6; }
#appShell #settingsPanelApi .api-guide-summary > strong {
  grid-column: 2;
  margin-top: -8px;
  color: #4c6e5a;
  font-weight: 600;
}

#appShell #settingsPanelApi #apiForm {
  grid-template-columns: 1fr;
  align-content: center;
  gap: 16px;
  padding: 3px 0;
}

#appShell .settings-center .setting-field { gap: 8px; }
#appShell .settings-center .setting-field > span { color: #4f5e55; font-size: 12px; font-weight: 600; }
#appShell .settings-center .setting-field input {
  min-height: 46px;
  padding: 11px 13px;
  border-radius: 10px;
  background: #fff;
  font-size: 14px;
  font-weight: 500;
}

#appShell .settings-center .permission-strip { gap: 7px; }
#appShell .settings-center .permission-strip span {
  min-height: 30px;
  padding-inline: 10px;
  border: 1px solid #cbd8ce;
  border-radius: 8px;
  background: #f1f5f0;
  color: #496253;
  font-size: 11px;
  font-weight: 600;
}

#appShell .settings-center .permission-strip .muted-pill {
  border-color: #dfcfad;
  background: #faf5e9;
  color: #735e34;
}

#appShell .settings-center .security-note { font-size: 12px; line-height: 1.65; }
#appShell .settings-center .settings-foot {
  min-height: 58px;
  padding-top: 18px;
  border-top: 1px solid var(--workspace-line);
}

/* Primary save actions share one calm, high-contrast treatment. */
#appShell .settings-center :is(.api-save-btn, #saveStrategyBtn, #saveAutoLendingBtn, #saveLineNotificationBtn) {
  min-width: 160px;
  min-height: 44px;
  padding: 10px 18px;
  border: 1px solid #173a2c;
  border-radius: 10px;
  background: #173a2c;
  color: #f7f6ee;
  box-shadow: none;
  font-size: 13px;
  font-weight: 650;
}

#appShell .settings-center :is(.api-save-btn, #saveStrategyBtn, #saveAutoLendingBtn, #saveLineNotificationBtn):hover {
  border-color: #234d3b;
  background: #234d3b;
  color: #fff;
}

#appShell .settings-center button:disabled { opacity: .62; cursor: not-allowed; }

/* Lending sections remain full-width, with internal two-column layouts. */
#appShell .settings-center .settings-panel-grid,
#appShell .settings-center .settings-account-grid { gap: 22px; }

#appShell #settingsPanelLending .mode-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

#appShell #settingsPanelLending .mode-row {
  min-height: 92px;
  padding: 15px;
  gap: 7px;
  border-radius: 11px;
  background: #fbfcf8;
}

#appShell #settingsPanelLending .mode-row.active {
  border-color: #729080;
  background: #eef4ef;
  box-shadow: inset 3px 0 0 #527665;
}
#appShell #settingsPanelLending .mode-row:last-child:nth-child(odd) { grid-column: 1 / -1; }

#appShell #settingsPanelLending .mode-row b { font-weight: 650; }
#appShell #settingsPanelLending .mode-row span { font-size: 12px; line-height: 1.55; }
#appShell #settingsPanelLending .strategy-actions { padding-top: 18px; }

#appShell #settingsPanelLending .auto-lending-form > .settings-form {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 18px;
}

#appShell .settings-center .period-picker { gap: 8px; }
#appShell .settings-center .period-picker label {
  min-height: 44px;
  border-color: var(--workspace-line);
  border-radius: 10px;
  background: #fafbf7;
  font-weight: 600;
}

#appShell .settings-center .switch-row {
  min-height: 64px;
  padding: 14px;
  border-color: var(--workspace-line);
  border-radius: 11px;
  background: #fafbf7;
}

#appShell .settings-center .switch-row input { width: 20px; height: 20px; }
#appShell .settings-center .auto-save-row,
#appShell .settings-center .auto-power-area { padding-top: 18px; }
#appShell .settings-center .auto-power-btn { min-height: 44px; border-radius: 10px; }

/* Account, notification and language controls use matching rows and spacing. */
#appShell #settingsPanelAccount {
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, .85fr);
  align-items: start;
}

#appShell #settingsPanelAccount .line-notification-panel { grid-column: auto; }
#appShell #settingsPanelAccount .account-connection-list { border-top: 0; }
#appShell #settingsPanelAccount .account-connection-row {
  padding: 15px 0;
  grid-template-columns: 44px minmax(0, 1fr) auto auto;
  gap: 12px;
  border: 0;
  border-bottom: 1px solid var(--workspace-line);
  border-radius: 0;
  background: transparent;
}

#appShell #settingsPanelAccount .account-connection-row:first-child { padding-top: 0; }
#appShell #settingsPanelAccount .account-provider-mark { border-radius: 10px; }
#appShell #settingsPanelAccount .account-link-action { min-height: 44px; border-radius: 10px; }
#appShell #settingsPanelAccount .account-connection-note { padding: 12px 0; }

#appShell #settingsPanelAccount .language-preference-row {
  min-height: 64px;
  margin-top: 0;
  padding: 15px 0 0;
  border-top-color: var(--workspace-line);
}

#appShell #settingsPanelAccount .line-notification-form { gap: 18px; }

@media (max-width: 1100px) {
  #appShell #settingsPanelApi .api-connect-layout { grid-template-columns: 1fr; }
  #appShell #settingsPanelApi .api-guide-summary { grid-template-columns: 112px minmax(0, 1fr); }
  #appShell #settingsPanelApi .api-guide-thumbnail { width: 112px; }
  #appShell #settingsPanelAccount { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  #appShell .main > .settings-center { gap: 20px; }
  #appShell .settings-center .settings-tabs { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 8px; overflow: visible; }
  #appShell .settings-center .settings-tab { width: 100%; min-height: 58px; padding: 8px 2px 14px; white-space: normal; text-wrap: balance; line-height: 1.45; }
  #appShell .settings-center .settings-panel { padding: 20px; gap: 18px; border-radius: 14px; }
  #appShell .settings-center .section-head { padding-bottom: 15px; }
  #appShell #settingsPanelApi { width: 100%; }
  #appShell #settingsPanelApi .api-connect-layout { grid-template-columns: 1fr; gap: 20px; }
  #appShell #settingsPanelApi .api-guide-summary { grid-template-columns: 118px minmax(0, 1fr); min-height: 136px; }
  #appShell #settingsPanelApi .api-guide-thumbnail { width: 118px; height: 86px; }
  #appShell .settings-center .settings-panel-grid,
  #appShell .settings-center .settings-account-grid,
  #appShell #settingsPanelAccount { grid-template-columns: 1fr; }
  #appShell #settingsPanelLending .mode-list { grid-template-columns: 1fr; }
  #appShell #settingsPanelLending .mode-row { min-height: 0; }
  #appShell #settingsPanelLending .auto-lending-form > .settings-form { grid-template-columns: 1fr; }
  #appShell .settings-center .strategy-actions,
  #appShell .settings-center .auto-save-row { grid-template-columns: 1fr; }
  #appShell .settings-center .strategy-actions button,
  #appShell .settings-center .auto-save-row button { width: 100%; }
  #appShell .settings-center .settings-foot { align-items: stretch; flex-direction: column; }
  #appShell .settings-center .settings-foot .api-save-btn { width: 100%; }
}

@media (max-width: 520px) {
  #appShell .settings-center .settings-tabs { gap: 6px; }
  #appShell .settings-center .settings-tab span { display: none; }
  #appShell .settings-center .settings-tab b { font-size: 13px; }
  #appShell .settings-center .settings-panel { padding: 17px 15px; }
  #appShell #settingsPanelApi .api-guide-summary {
    grid-template-columns: 76px minmax(0,1fr);
    min-height: 0;
    padding: 13px;
  }
  #appShell #settingsPanelApi .api-guide-thumbnail { width: 76px; height: 64px; }
  #appShell #settingsPanelApi .api-guide-summary-copy b { font-size: 13px; }
  #appShell #settingsPanelApi .api-guide-summary > strong { grid-column: 2; margin-top: 0; font-size: 12px; }
  #appShell .settings-center .period-picker { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  #appShell #settingsPanelAccount .account-connection-row {
    grid-template-columns: 42px minmax(0, 1fr) auto;
    gap: 9px;
  }
  #appShell #settingsPanelAccount .account-link-action {
    grid-column: 1 / -1;
    width: 100%;
  }
  #appShell .settings-center :is(button, input, .period-picker label, .language-preference-row) { min-height: 44px; }
}

@media (prefers-reduced-motion: reduce) {
  #appShell .settings-center .settings-tab-panel { animation: none; }
}