/* ============================================================
   SETTINGS OVERLAY — modal (not sidebar)
   ============================================================ */
#settingsOverlay {
  position: fixed;
  inset: 0;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9000;
  backdrop-filter: blur(6px);
  padding: 20px;
}

#settingsOverlay.active {
  display: flex;
}

@keyframes settingsModalIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

#settingsPanel {
  width: min(820px, 95vw);
  height: min(88vh, 780px);
  background: var(--bg-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  border-radius: var(--r-lg);
  overflow: hidden;
  animation: settingsModalIn 0.2s ease forwards;
}

#settingsHeader {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: transparent;
  flex-shrink: 0;
}

#settingsHeader h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0;
  text-transform: none;
  text-shadow: none;
}

#settingsCloseBtn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text-3);
  cursor: pointer;
  font-size: 0.9rem;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--tr), color var(--tr);
}

#settingsCloseBtn:hover {
  border-color: var(--accent-text);
  color: var(--accent-text);
  box-shadow: none;
}

#settingsContent {
  flex: 1;
  overflow-y: auto;
  padding: 18px 20px;
}

/* ============================================================
   TAB BAR — the row of tab buttons above settingsContent
   ============================================================ */
#settingsTabs {
  display: flex;
  gap: 0;
  padding: 0 12px;
  border-bottom: 1px solid var(--border);
  background: transparent;
  flex-shrink: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
#settingsTabs::-webkit-scrollbar {
  display: none;
}

.settingsTab {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  color: var(--text-3);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0;
  padding: 11px 14px;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: color var(--tr), border-color var(--tr);
  text-transform: none;
}
.settingsTab:hover {
  color: var(--text);
  background: transparent;
}
.settingsTab.active {
  color: var(--accent-text);
  background: transparent;
  border-bottom-color: var(--accent);
  text-shadow: none;
}

/* ── TAB PANES — hide all, show only .active ── */
.settingsTabPane {
  display: none;
}
.settingsTabPane.active {
  display: block;
}

.settingsSection {
  margin-bottom: 22px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.settingsSection:last-child {
  border-bottom: none;
}

.settingsSection h3 {
  margin: 0 0 4px 0;
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--accent-text);
  letter-spacing: 0.13em;
  text-transform: uppercase;
  text-shadow: none;
}

.settingsSection label {
  display: block;
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--text-3);
  margin-top: 12px;
  margin-bottom: 5px;
  letter-spacing: 0.02em;
  text-transform: none;
}

.settingsSection select {
  width: 100%;
  margin-bottom: 6px;
  background: var(--bg-inset);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--r-sm);
  padding: 8px 10px;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  outline: none;
  cursor: pointer;
  transition: border-color var(--tr);
}

.settingsSection select:focus {
  border-color: var(--accent-text);
  box-shadow: none;
}

.settingsSection input[type="range"] {
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
  margin-bottom: 6px;
  height: 4px;
  padding: 0;
  border: none;
  outline: none;
  cursor: pointer;
  border-radius: var(--r-full);
  background: var(--bg-inset);
}
.settingsSection input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  background: var(--accent);
  border: none;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  border-radius: 50%;
}
.settingsSection input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: var(--accent);
  border: none;
  cursor: pointer;
  border-radius: 50%;
}

.sliderHintRow {
  display: flex;
  justify-content: space-between;
  font-size: 0.65rem;
  color: var(--text-3);
}

/* TOGGLES */
.toggleRow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 14px;
  font-size: 0.8rem;
  font-family: var(--font-sans);
  color: var(--text);
  letter-spacing: 0;
}

.toggleBtn {
  min-width: 52px;
  padding: 5px 12px;
  border: 1px solid var(--border);
  background: var(--bg-inset);
  color: var(--text-3);
  cursor: pointer;
  font-size: 0.68rem;
  font-weight: 600;
  font-family: var(--font-sans);
  letter-spacing: 0.04em;
  border-radius: var(--r-full);
  flex-shrink: 0;
  transition: background var(--tr), border-color var(--tr), color var(--tr);
}

.toggleBtn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: none;
}

/* PERSONALITY BUTTONS */
#personalityList {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.personalityBtn {
  flex: 1 1 45%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  background: var(--bg-inset);
  color: var(--text-2);
  cursor: pointer;
  font-size: 0.75rem;
  font-family: var(--font-sans);
  text-align: center;
  letter-spacing: 0;
  text-transform: none;
  border-radius: var(--r-full);
  transition: background var(--tr), border-color var(--tr), color var(--tr);
}

.personalityBtn:hover {
  border-color: var(--accent-text);
  color: var(--accent-text);
  box-shadow: none;
  background: var(--bg-inset);
}

.personalityBtn.active {
  border-color: var(--accent-text);
  background: var(--accent-bg);
  color: var(--accent-text);
  box-shadow: none;
}

/* SETTINGS FOOTER */
#settingsFooter {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  background: transparent;
  flex-shrink: 0;
}

/* Mobile — full screen */
@media (max-width: 600px) {
  #settingsOverlay {
    padding: 0;
    align-items: flex-end;
  }
  #settingsPanel {
    width: 100vw !important;
    height: 90dvh !important;
    border-radius: var(--r-lg) var(--r-lg) 0 0;
    border-bottom: none !important;
  }
}

/* ── Settings ▸ Keys (js/keysPanel.js) ── */
.keysGroup + .keysGroup {
  margin-top: 18px;
}
.keysGroupTitle {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 6px;
}
.keyRow {
  padding: 10px 0;
  border-top: 1px solid var(--border);
}
.keyHead {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.keyLabel {
  font-weight: 600;
  color: var(--text);
}
.keyStatus {
  font-size: 0.72rem;
  padding: 1px 7px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-3);
  font-variant-numeric: tabular-nums;
}
.keyStatus.keySet {
  color: var(--success-text, #4ade80);
  border-color: currentColor;
}
.keyGet {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--text-2);
}
.keyHint {
  font-size: 0.75rem;
  color: var(--text-3);
  margin-top: 3px;
}
.keyEdit {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}
.keyEdit .keyInput {
  flex: 1;
  min-width: 0;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--bg-inset);
  color: var(--text);
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: 0.8rem;
}
.keyEdit .keyInput:focus {
  outline: none;
  border-color: var(--accent-text);
}
.keyEdit button {
  padding: 6px 12px;
  font-size: 0.8rem;
}
.keyMsg {
  min-height: 0;
  font-size: 0.75rem;
  color: var(--danger-text);
  margin-top: 4px;
}
.keyMsg:empty {
  display: none;
}