/* ──────────────────────────────────────────────────────────────────────
     Settings view (Cluster 5)
     Two-column grid: left has Environment / Demo Data / Decision Records;
     right has Authentication / Runtime Context / Danger Zone. Every
     destructive action is disabled with a "not wired yet" tooltip — no
     fake mutations, no invented backend.
     ────────────────────────────────────────────────────────────────────── */

  .settings-view { padding: 24px; }

  .settings-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
    align-items: start;
  }
  .settings-col-main,
  .settings-col-side {
    display: flex;
    flex-direction: column;
    gap: 24px;
  }

  .settings-card {
    background: var(--surface-container-low);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-panel);
    padding: 22px;
  }
  .settings-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
    gap: 12px;
  }
  .settings-card-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    font-family: var(--font-display);
    letter-spacing: -0.01em;
    color: var(--on-surface);
    margin: 0;
  }
  .settings-card-title-glyph {
    color: var(--primary);
    font-size: 16px;
    width: 18px;
    text-align: center;
  }
  .settings-version-chip {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--slate-500);
    background: var(--surface-container-highest);
    padding: 4px 10px;
    border-radius: 4px;
  }

  .settings-env-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
  }
  .settings-env-cell {
    background: var(--surface-container-lowest);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 4px;
    padding: 14px;
  }
  .settings-env-cell-label {
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.10em;
    color: var(--slate-500);
    margin-bottom: 6px;
  }
  .settings-env-cell-value {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--on-surface);
    text-transform: uppercase;
    letter-spacing: 0.04em;
  }
  .settings-env-cell-value.ok        { color: var(--secondary); }
  .settings-env-cell-value.primary   { color: var(--primary); }
  .settings-env-cell-value.tertiary  { color: var(--tertiary); }
  .settings-env-cell-value.warn      { color: #fcd34d; }
  .settings-env-cell-value.muted     { color: var(--slate-500); font-style: italic; text-transform: none; }
  .settings-env-cell-row {
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .settings-counts {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px 16px;
    margin-bottom: 22px;
  }
  .settings-count-item {
    border-left: 2px solid var(--primary);
    padding: 4px 0 4px 12px;
    display: flex;
    flex-direction: column;
    gap: 2px;
  }
  .settings-count-value {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    color: var(--on-surface);
    letter-spacing: -0.01em;
    line-height: 1.1;
  }
  .settings-count-label {
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--slate-500);
    font-weight: 700;
  }

  .settings-explanatory {
    font-size: 13px;
    color: var(--on-surface-variant);
    margin-bottom: 18px;
    line-height: 1.55;
  }

  .settings-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
  }
  .btn-error {
    background: transparent;
    border: 1px solid var(--error);
    color: var(--error);
  }
  .btn-error:hover:not(:disabled) {
    background: rgba(255, 180, 171, 0.08);
  }
  .btn-danger {
    width: 100%;
    background: var(--error);
    color: var(--on-error);
    font-size: 12px;
  }
  .btn-danger:disabled {
    background: rgba(255, 180, 171, 0.18);
    color: var(--error);
    border-color: rgba(255, 180, 171, 0.20);
  }

  .settings-warning {
    margin-top: 16px;
    padding: 12px 14px;
    background: rgba(255, 180, 171, 0.06);
    border-left: 3px solid var(--error);
    border-radius: 0 4px 4px 0;
    display: flex;
    gap: 12px;
    align-items: flex-start;
  }
  .settings-warning-glyph {
    color: var(--error);
    font-size: 16px;
    flex-shrink: 0;
  }
  .settings-warning-text {
    font-size: 11px;
    color: var(--error);
    opacity: 0.92;
    line-height: 1.55;
  }
  .settings-warning-text strong {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-right: 4px;
  }

  .settings-records-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 20px;
  }
  .settings-records-stat {
    background: var(--surface-container);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 4px;
    padding: 18px 14px;
    text-align: center;
  }
  .settings-records-stat-value {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    color: var(--on-surface);
    letter-spacing: -0.01em;
    display: block;
    margin-bottom: 4px;
    line-height: 1.1;
  }
  .settings-records-stat-label {
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.10em;
    color: var(--slate-500);
  }

  .settings-last-update {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 700;
    color: var(--slate-300);
    background: var(--surface-container);
    border: 1px solid var(--outline-variant);
    padding: 4px 10px;
    border-radius: 999px;
  }
  .settings-last-update-glyph { color: var(--secondary); }

  .settings-records-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .settings-records-actions .btn-ghost {
    width: 100%;
    text-align: center;
    font-size: 11px;
  }

  .settings-auth-rows {
    display: flex;
    flex-direction: column;
    margin-bottom: 22px;
  }
  .settings-auth-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
  }
  .settings-auth-row:last-child { border-bottom: 0; }
  .settings-auth-key {
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 0.10em;
    color: var(--slate-500);
    font-weight: 700;
  }
  .settings-auth-val {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--on-surface);
  }
  .settings-auth-val.ok    { color: var(--secondary); }
  .settings-auth-val.muted { color: var(--slate-500); font-style: italic; }
  .settings-auth-val.warn  { color: #fcd34d; }

  .settings-signout {
    width: 100%;
    padding: 11px 0;
    background: var(--surface-container-highest);
    color: var(--slate-500);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.10em;
    font-size: 11px;
    border: 1px solid var(--outline-variant);
    border-radius: 4px;
    cursor: not-allowed;
    font-family: inherit;
  }
  .settings-signout:not(:disabled) {
    color: var(--on-surface);
    background: var(--surface-container-high);
    cursor: pointer;
  }
  .settings-signout:not(:disabled):hover {
    background: var(--surface-bright);
  }
  .settings-signout-note {
    margin-top: 10px;
    font-size: 10px;
    text-align: center;
    color: var(--slate-500);
    font-style: italic;
  }

  .settings-danger {
    border-color: rgba(255, 180, 171, 0.25);
    background: rgba(255, 180, 171, 0.04);
  }
  .settings-danger .settings-card-title         { color: var(--error); }
  .settings-danger .settings-card-title-glyph   { color: var(--error); }
  .settings-danger-copy {
    font-size: 12px;
    color: var(--error);
    opacity: 0.88;
    margin-bottom: 18px;
    line-height: 1.55;
  }

  /* Make runtime-card look at home inside the Runtime Context card */
  .settings-card .runtime-card {
    border: 0;
    background: var(--surface-container-lowest);
    padding: 12px 14px;
  }

  @media (max-width: 1280px) {
    .settings-counts { grid-template-columns: repeat(3, 1fr); }
  }
  @media (max-width: 1100px) {
    .settings-grid { grid-template-columns: 1fr; }
    .settings-records-stats { grid-template-columns: 1fr; }
    .settings-records-actions { grid-template-columns: 1fr; }
  }
  @media (max-width: 720px) {
    .settings-env-grid { grid-template-columns: 1fr 1fr; }
    .settings-counts   { grid-template-columns: 1fr 1fr; }
  }

  /* ──────────────────────────────────────────────────────────────────
     D27j-ui-theme-6 — Settings appearance / theme toggle.
     Compact segmented control matching existing settings card
     chrome. Uses theme-2 shape tokens for sharp corners + hairline
     border. Both dark and light modes are readable because every
     value reads from theme-aware tokens that flip via
     :root[data-theme="light"] in tokens.css.
     ────────────────────────────────────────────────────────────── */
  .settings-appearance-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
  }
  .settings-appearance-copy {
    font-size: 12px;
    color: var(--on-surface-variant);
    margin: 0;
  }
  .settings-theme-toggle {
    display: inline-flex;
    border: var(--border-hairline);
    border-radius: var(--radius-tight);
    background: var(--surface-container-lowest);
    overflow: hidden;
    width: fit-content;
  }
  .settings-theme-option {
    background: transparent;
    border: 0;
    padding: 6px 14px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-family: inherit;
    color: var(--on-surface-variant);
    cursor: pointer;
    line-height: 1.2;
  }
  .settings-theme-option:hover:not(.is-active) {
    background: var(--surface-container);
    color: var(--on-surface);
  }
  .settings-theme-option.is-active {
    background: var(--primary-container);
    color: var(--on-primary-container);
  }
  .settings-theme-option:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: -2px;
  }
  .settings-theme-option + .settings-theme-option {
    border-left: 1px solid var(--outline-variant);
  }