/* ============================================================
   AEROTWIN — UI COMPONENTS & MODALS
   ============================================================ */

    .badge,
    .tag {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      font-family: var(--mono);
      font-size: var(--text-micro);
      font-weight: 600;
      letter-spacing: normal;
      text-transform: none;
      padding: 2px 7px;
      border-radius: var(--radius-xs); /* small rectangle 4px */
      border: 1px solid var(--line);
      line-height: 1.4;
      white-space: nowrap;
      opacity: 1;
      transition: background-color var(--motion-base) var(--ease-standard),
        border-color var(--motion-base) var(--ease-standard),
        color var(--motion-base) var(--ease-standard);
    }

    .badge::before,
    .tag::before {
      content: "";
      width: 4px;
      height: 4px;
      border-radius: 50%;
      flex-shrink: 0;
    }

    /* ── Variant 1: .badge-neutral (informational, non-semantic) ── */
    .badge-neutral,
    .tag-neutral,
    .badge-synthetic,
    .tag-synthetic {
      background: var(--panel-raise);
      border: 1px solid var(--line);
      color: var(--ink);
    }
    html[data-theme="dark"] .badge-neutral,
    html[data-theme="dark"] .tag-neutral,
    html[data-theme="dark"] .badge-synthetic,
    html[data-theme="dark"] .tag-synthetic {
      background: rgba(255, 255, 255, 0.06);
      border-color: var(--line);
      color: #FAF9F6;
    }
    .badge-neutral::before,
    .tag-neutral::before,
    .badge-synthetic::before,
    .tag-synthetic::before {
      background: var(--line-strong);
    }

    /* ── Variant 2: .badge-info (model/system state) ── */
    .badge-info,
    .tag-info,
    .badge-simulation,
    .tag-simulation,
    .badge-prototype,
    .tag-prototype {
      background: var(--teal-soft);
      border: 1px solid var(--teal);
      color: var(--ink);
    }
    html[data-theme="dark"] .badge-info,
    html[data-theme="dark"] .tag-info,
    html[data-theme="dark"] .badge-simulation,
    html[data-theme="dark"] .tag-simulation,
    html[data-theme="dark"] .badge-prototype,
    html[data-theme="dark"] .tag-prototype {
      background: rgba(56, 189, 248, 0.15);
      border-color: var(--teal);
      color: #FAF9F6;
    }
    .badge-info::before,
    .tag-info::before,
    .badge-simulation::before,
    .tag-simulation::before,
    .badge-prototype::before,
    .tag-prototype::before {
      background: var(--teal);
    }

    /* ── Variant 3: .badge-nominal (healthy/normal status) ── */
    .badge-nominal,
    .tag-nominal,
    .badge-live,
    .tag-live {
      background: var(--status-normal-bg);
      border: 1px solid var(--status-normal);
      color: var(--ink);
    }
    html[data-theme="dark"] .badge-nominal,
    html[data-theme="dark"] .tag-nominal,
    html[data-theme="dark"] .badge-live,
    html[data-theme="dark"] .tag-live {
      background: var(--status-normal-bg);
      border-color: var(--status-normal);
      color: #FAF9F6;
    }
    .badge-nominal::before,
    .tag-nominal::before,
    .badge-live::before,
    .tag-live::before {
      background: var(--status-normal);
    }

    /* ── Variant 4: .badge-warning (advisory/degrading) ── */
    .badge-warning,
    .tag-warning,
    .badge-notvalidated,
    .tag-notvalidated {
      background: var(--status-warn-bg);
      border: 1px solid var(--status-warn);
      color: var(--ink);
    }
    html[data-theme="dark"] .badge-warning,
    html[data-theme="dark"] .tag-warning,
    html[data-theme="dark"] .badge-notvalidated,
    html[data-theme="dark"] .tag-notvalidated {
      background: var(--status-warn-bg);
      border-color: var(--status-warn);
      color: #FAF9F6;
    }
    .badge-warning::before,
    .tag-warning::before,
    .badge-notvalidated::before,
    .tag-notvalidated::before {
      background: var(--status-warn);
    }

    /* ── Variant 5: .badge-critical (critical/fault) ── */
    .badge-critical,
    .tag-critical,
    .badge-benchmark,
    .tag-benchmark,
    .badge-pending,
    .tag-pending {
      background: var(--status-crit-bg);
      border: 1px solid var(--status-crit);
      color: var(--ink);
    }
    html[data-theme="dark"] .badge-critical,
    html[data-theme="dark"] .tag-critical,
    html[data-theme="dark"] .badge-benchmark,
    html[data-theme="dark"] .tag-benchmark,
    html[data-theme="dark"] .badge-pending,
    html[data-theme="dark"] .tag-pending {
      background: var(--status-crit-bg);
      border-color: var(--status-crit);
      color: #FAF9F6;
    }
    .badge-critical::before,
    .tag-critical::before,
    .badge-benchmark::before,
    .tag-benchmark::before,
    .badge-pending::before,
    .tag-pending::before {
      background: var(--status-crit);
    }

    .badge-row {
      display: flex;
      gap: 6px;
      flex-wrap: wrap;
      margin: 8px 0;
    }

    /* ---------- BUTTONS / FORM CONTROLS ---------- */
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-family: var(--sans);
      font-weight: 600;
      font-size: calc(13px * var(--text-scale));
      padding: 8px 16px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      border: 1px solid transparent;
      text-decoration: none;
      transition: background .15s, border-color .15s, color .15s;
      line-height: 1.2;
    }

    .btn-primary {
      background: var(--teal);
      color: #fff;
      border-color: var(--teal);
    }

    .btn-primary:hover {
      background: var(--teal-strong);
      border-color: var(--teal-strong);
    }

    .btn-primary:disabled {
      background: var(--line-strong);
      border-color: var(--line-strong);
      cursor: not-allowed;
      opacity: 0.6;
    }

    .btn-outline {
      background: var(--panel);
      border-color: var(--line-strong);
      color: var(--ink);
    }

    .btn-outline:hover {
      border-color: var(--teal);
      color: var(--teal);
      background: var(--teal-soft);
    }

    .btn-outline:disabled {
      color: var(--ink-faint);
      cursor: not-allowed;
      border-color: var(--line);
      background: transparent;
    }

    .btn-ghost {
      background: var(--panel-raise);
      border-color: var(--line);
      color: var(--ink-soft);
      font-size: max(12px, calc(12px * var(--text-scale)));
      padding: 6px 12px;
    }

    .btn-ghost:hover {
      border-color: var(--teal);
      color: var(--teal);
    }

    .btn-maroon {
      background: #B91C1C;
      color: #fff;
      border: 1px solid #991B1B;
    }

    .btn-maroon:hover {
      background: #4E0E30;
    }

    .btn-sm {
      padding: 5px 10px;
      font-size: var(--text-micro);
    }

    .btn-row {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }

    .ctrl-btn {
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      color: var(--ink-soft);
      font-family: var(--mono);
      font-size: var(--text-micro);
      font-weight: 600;
      padding: 4px 6px;
      cursor: pointer;
      transition: .15s;
      text-align: center;
    }

    .ctrl-btn:hover {
      border-color: var(--teal);
      color: var(--ink);
    }

    .field {
      margin-bottom: 14px;
    }

    .field label {
      display: flex;
      justify-content: space-between;
      align-items: baseline;
      font-size: var(--text-micro);
      font-weight: 600;
      color: var(--ink-faint);
      margin-bottom: 5px;
      text-transform: uppercase;
      letter-spacing: .05em;
      font-family: var(--mono);
    }

    .field label .live-val {
      font-family: var(--mono);
      font-weight: 700;
      color: var(--ink);
      text-transform: none;
      letter-spacing: 0;
    }

    .field select,
    .field input[type="number"] {
      width: 100%;
      padding: 8px 10px;
      border: 1px solid var(--line-strong);
      border-radius: var(--radius-sm);
      background: var(--panel);
      color: var(--ink);
      font-size: calc(13px * var(--text-scale));
      font-family: var(--mono);
    }

    .field select:focus,
    .field input:focus {
      outline: 2px solid var(--teal);
      outline-offset: 1px;
    }

    .field input[type="range"] {
      width: 100%;
      accent-color: var(--teal);
      height: 18px;
    }

    .field-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .field-note {
      font-size: var(--text-micro);
      color: var(--ink-faint);
      margin-top: -8px;
      margin-bottom: 12px;
    }

    fieldset {
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      padding: 12px 14px 4px;
      margin: 0 0 16px;
      background: var(--panel);
    }

    fieldset legend {
      font-family: var(--mono);
      font-size: var(--text-micro);
      text-transform: uppercase;
      letter-spacing: .06em;
      color: var(--teal);
      padding: 0 6px;
    }

    /* ---------- COMMAND CENTER ---------- */
    [data-mode-only] {
      display: none;
    }

    body[data-usermode="operator"] [data-mode-only~="operator"] {
      display: revert;
    }

    body[data-usermode="maintenance"] [data-mode-only~="maintenance"] {
      display: revert;
    }

    body[data-usermode="engineer"] [data-mode-only~="engineer"] {
      display: revert;
    }

    body[data-usermode="operator"] [data-mode-only~="operator"].fx-grid {
      display: grid;
    }

    body[data-usermode="maintenance"] [data-mode-only~="maintenance"].fx-grid {
      display: grid;
    }

    body[data-usermode="engineer"] [data-mode-only~="engineer"].fx-grid {
      display: grid;
    }

    body[data-usermode="engineer"] .cc-engineer-bar[data-mode-only~="engineer"] {
      display: flex;
    }

    /* ---------- TELEMETRY GRID ---------- */
    .timeline-filters {
      display: flex;
      gap: 6px;
      margin-bottom: 12px;
      flex-wrap: wrap;
    }

    .tl-filter {
      border: 1px solid var(--line-strong);
      background: var(--panel);
      color: var(--ink-soft);
      font-family: var(--mono);
      font-size: var(--text-micro);
      font-weight: 600;
      padding: 4px 10px;
      border-radius: var(--radius-xs);
      cursor: pointer;
      text-transform: uppercase;
      letter-spacing: .04em;
      transition: all .12s;
    }

    .tl-filter:hover {
      border-color: var(--teal);
      color: var(--teal);
      background: var(--teal-soft);
    }

    .tl-filter.active {
      background: var(--teal);
      border-color: var(--teal);
      color: #fff;
    }

    html[data-theme="dark"] .tl-filter.active {
      background: var(--teal);
      border-color: var(--teal);
      color: #080808;
      font-weight: 700;
    }

    .timeline {
      max-height: 360px;
      overflow-y: auto;
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      background: var(--panel);
    }

    .tl-item {
      display: grid;
      grid-template-columns: 84px 64px 1fr;
      gap: 10px;
      padding: 8px 12px;
      border-bottom: 1px solid var(--line);
      font-size: max(12px, calc(12px * var(--text-scale)));
      align-items: baseline;
      transition: background .12s;
    }

    .tl-item:last-child {
      border-bottom: none;
    }

    .tl-item:hover {
      background: var(--paper);
    }

    .tl-time {
      font-family: var(--mono);
      font-size: var(--text-micro);
      color: var(--ink-faint);
      font-weight: 600;
    }

    .tl-sev {
      font-family: var(--mono);
      font-size: var(--text-micro);
      font-weight: 700;
      letter-spacing: .04em;
      padding: 2px 6px;
      border-radius: var(--radius-sm);
      text-align: center;
      height: fit-content;
      text-transform: uppercase;
      border: 1px solid transparent;
      width: fit-content;
    }

    .tl-sev[data-sev="info"] {
      background: var(--status-idle-bg);
      color: var(--ink-soft);
      border-color: var(--line);
    }

    .tl-sev[data-sev="warn"] {
      background: var(--status-warn-bg);
      color: var(--status-warn);
      border-color: var(--status-warn);
    }

    .tl-sev[data-sev="high"] {
      background: var(--status-crit-bg);
      color: var(--status-crit);
      border-color: var(--status-crit);
    }

    html[data-theme="dark"] .tl-sev[data-sev="info"] {
      background: rgba(134, 134, 132, 0.18);
      color: var(--ink);
      border-color: var(--line-strong);
    }

    html[data-theme="dark"] .tl-sev[data-sev="warn"] {
      background: rgba(229, 152, 25, 0.18);
      color: var(--status-warn);
      border-color: var(--status-warn);
    }

    html[data-theme="dark"] .tl-sev[data-sev="high"] {
      background: rgba(229, 72, 77, 0.18);
      color: var(--status-crit);
      border-color: var(--status-crit);
    }

    .tl-msg {
      color: var(--ink);
      line-height: 1.4;
    }

    .tl-evidence {
      display: block;
      font-family: var(--mono);
      font-size: var(--text-micro);
      color: var(--ink-faint);
      margin-top: 2px;
    }

    .tl-empty {
      padding: 20px;
      text-align: center;
      color: var(--ink-faint);
      font-size: max(12px, calc(12.5px * var(--text-scale)));
      font-family: var(--mono);
    }

    /* ---------- COMPARISON TABLE ---------- */
    .tab-list {
      display: flex;
      gap: 4px;
      border-bottom: 1px solid var(--line);
      overflow-x: auto;
      margin-bottom: 18px;
      padding-bottom: 2px;
    }

    .tab-btn {
      background: transparent;
      border: 1px solid transparent;
      padding: 7px 16px;
      font-size: var(--text-micro);
      font-weight: 600;
      color: var(--ink-soft);
      cursor: pointer;
      border-radius: var(--radius-sm);
      white-space: nowrap;
      font-family: var(--sans-cond);
      text-transform: none;
      letter-spacing: normal;
      transition: background .12s, color .12s, border-color .12s;
    }

    .tab-btn:hover {
      color: var(--ink);
      background: var(--panel-raise);
    }

    .tab-btn.active {
      color: var(--ink);
      background: var(--teal-soft);
      border-color: var(--teal-soft);
      font-weight: 700;
    }

    html[data-theme="dark"] .tab-btn.active {
      color: var(--ink);
      background: var(--teal-soft);
      border-color: var(--teal-soft);
      font-weight: 700;
    }

    .tab-panel {
      display: none;
    }

    .tab-panel.active {
      display: block;
    }

    .tab-panel h4 {
      font-size: calc(16px * var(--text-scale));
      margin-bottom: 10px;
    }

    .tab-panel ul {
      margin: 0;
      padding-left: 18px;
      color: var(--ink-soft);
      font-size: calc(13.5px * var(--text-scale));
    }

    .tab-panel li {
      margin-bottom: 6px;
    }

    /* ---------- FLOW DIAGRAMS & NODES ---------- */
    /* =========================================================
       AEROTWIN - ADMINISTRATOR LOCKDOWN / PASSKEY SYSTEM
       ========================================================= */
    #aero-admin-lockdown {
      position: fixed;
      inset: 0;
      z-index: 999999;
      display: none;
      align-items: center;
      justify-content: center;
      background: rgba(9, 12, 17, 0.96);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      color: white;
      font-family: var(--sans, Arial, sans-serif);
    }

    #aero-admin-lockdown.active {
      display: flex;
    }

    .aero-lock-panel {
      width: min(440px, 90%);
      padding: 35px;
      text-align: center;
      background: #151a22;
      border: 1px solid #4a5363;
      border-radius: 18px;
      box-shadow: 0 6px 12px rgba(0, 0, 0, .45);
      animation: popUpSlideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .aero-lock-icon {
      font-size: 55px;
      margin-bottom: 12px;
    }

    .aero-lock-panel h1 {
      margin: 0;
      font-size: 26px;
      letter-spacing: 1px;
      color: #ff5d5d;
      font-family: var(--sans-cond, Arial, sans-serif);
      font-weight: 700;
    }

    .aero-lock-panel .lock-subtitle {
      margin: 10px 0 22px;
      color: #aeb7c5;
      font-size: 13px;
      line-height: 1.5;
    }

    .aero-lock-warning {
      padding: 12px;
      margin-bottom: 20px;
      border-radius: 9px;
      background: #321b1b;
      border: 1px solid #743434;
      color: #ff9292;
      font-size: 12px;
      line-height: 1.45;
    }

    .aero-passkey-label {
      display: block;
      text-align: left;
      margin-bottom: 7px;
      font-size: var(--text-micro);
      font-weight: bold;
      color: #aeb7c5;
      font-family: var(--mono, monospace);
    }

    #aero-admin-passkey {
      width: 100%;
      box-sizing: border-box;
      padding: 13px;
      border-radius: 9px;
      border: 1px solid #505968;
      background: #0e1218;
      color: white;
      outline: none;
      font-size: 16px;
      letter-spacing: 4px;
      text-align: center;
      font-family: var(--mono, monospace);
      transition: border-color 0.15s, box-shadow 0.15s;
    }

    #aero-admin-passkey:focus {
      border-color: #ff5d5d;
      box-shadow: 0 0 0 2px rgba(255, 93, 93, 0.25);
    }

    #aero-unlock-button {
      width: 100%;
      margin-top: 14px;
      padding: 13px;
      border: none;
      border-radius: 9px;
      background: #b42323;
      color: white;
      font-weight: bold;
      cursor: pointer;
      font-size: 13px;
      transition: background 0.15s;
    }

    #aero-unlock-button:hover {
      background: #951d1d;
    }

    #aero-unlock-button:disabled {
      background: #4a2222;
      color: #8a7070;
      cursor: not-allowed;
    }

    #aero-lock-message {
      min-height: 18px;
      margin-top: 14px;
      font-size: 12px;
      color: #ff7777;
      font-family: var(--mono, monospace);
    }

    .aero-lock-info {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 8px;
      margin-top: 22px;
    }

    .aero-lock-info div {
      padding: 10px;
      border-radius: 8px;
      background: #1d232d;
      font-size: var(--text-micro);
      font-family: var(--mono, monospace);
    }

    .aero-lock-info span {
      display: block;
      color: #7f8998;
      margin-bottom: 4px;
    }

    .aero-lock-info strong {
      color: #e8ecf2;
    }

    /* =========================================================
       DOCUMENTATION CARDS
       ========================================================= */
    .doc-cards {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-bottom: 24px;
    }

    @media (max-width:900px) {
      .doc-cards {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width:560px) {
      .doc-cards {
        grid-template-columns: 1fr;
      }
    }

    .doc-card {
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      padding: 12px 14px;
      background: var(--paper);
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
      transition: border-color .15s;
    }

    .doc-card:hover {
      border-color: var(--teal-soft);
    }

    .doc-card .dc-tag {
      font-family: var(--mono);
      font-size: var(--text-micro);
      color: var(--teal-strong);
      letter-spacing: .06em;
      text-transform: uppercase;
      font-weight: 700;
      margin-bottom: 4px;
    }

    html[data-theme="dark"] .doc-card .dc-tag {
      color: var(--ink-soft);
    }

    .doc-card .dc-title {
      font-family: var(--sans-cond);
      font-weight: 700;
      font-size: calc(13.5px * var(--text-scale));
      margin-bottom: 4px;
      color: var(--ink);
    }

    .doc-card .dc-desc {
      font-size: var(--text-micro);
      color: var(--ink-faint);
      line-height: 1.45;
    }

    /* ---------- NOTICE BOX ---------- */
    .notice-box {
      border: 1px solid var(--maroon);
      background: var(--maroon-soft);
      border-radius: var(--radius-md);
      padding: 16px 18px;
      margin-bottom: 22px;
    }

    .notice-box .nb-title {
      font-family: var(--mono);
      font-size: var(--text-micro);
      letter-spacing: .06em;
      text-transform: uppercase;
      color: var(--maroon);
      font-weight: 700;
      margin-bottom: 6px;
    }

    .notice-box p {
      font-size: max(12px, calc(12.5px * var(--text-scale)));
      color: var(--ink-soft);
      margin-bottom: 8px;
      line-height: 1.5;
      max-width: 65ch;
    }

    .notice-box p:last-child {
      margin-bottom: 0;
    }

    /* ---------- ROADMAP TABLE & CHECKLIST ---------- */
    .roadmap-table {
      width: 100%;
      border-collapse: separate;
      border-spacing: 0;
      font-size: max(12px, calc(12px * var(--text-scale)));
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      overflow: hidden;
      background: var(--panel);
    }

    .roadmap-table th {
      text-align: left;
      font-family: var(--mono);
      font-size: var(--text-micro);
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: .05em;
      color: var(--ink);
      background: var(--panel-raise);
      border-bottom: 1px solid var(--line-strong);
      padding: 8px 12px;
    }

    .roadmap-table td {
      padding: 8px 12px;
      border-bottom: 1px solid var(--line);
      color: var(--ink-soft);
      font-size: max(12px, calc(12px * var(--text-scale)));
      line-height: 1.4;
    }

    .roadmap-table td:first-child {
      font-family: var(--mono);
      color: var(--ink);
      font-weight: 700;
    }

    html[data-theme="dark"] .roadmap-table td:first-child {
      color: var(--ink);
    }

    .roadmap-table tr:last-child td {
      border-bottom: none;
    }

    .roadmap-table tr:nth-child(even) td {
      background: var(--paper);
    }

    .roadmap-table tr:hover td {
      background: var(--panel-raise);
    }

    .phase-tag {
      font-family: var(--mono);
      font-size: var(--text-micro);
      font-weight: 700;
      padding: 2px 7px;
      border-radius: var(--radius-sm);
      letter-spacing: .03em;
      border: 1px solid transparent;
      text-transform: uppercase;
      display: inline-block;
    }

    .phase-tag.core {
      background: var(--status-normal-bg);
      color: var(--status-normal);
      border-color: var(--status-normal);
    }

    .phase-tag.ext {
      background: var(--navy-soft);
      color: var(--navy);
      border-color: var(--navy);
    }

    .checklist {
      list-style: none;
      margin: 0;
      padding: 0;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 8px 18px;
    }

    @media (max-width:600px) {
      .checklist {
        grid-template-columns: 1fr;
      }
    }

    .checklist li {
      font-size: max(12px, calc(12px * var(--text-scale)));
      color: var(--ink-soft);
      padding-left: 16px;
      position: relative;
      line-height: 1.45;
      font-family: var(--sans);
    }

    .checklist li::before {
      content: "\2713";
      position: absolute;
      left: 0;
      color: var(--status-normal);
      font-weight: 700;
      font-family: var(--mono);
      font-size: var(--text-micro);
    }

    /* Module Status columns */
    .mod-status-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-top: 6px;
    }

    @media (max-width:860px) {
      .mod-status-grid {
        grid-template-columns: 1fr;
      }
    }

    .mod-status-col {
      background: var(--paper);
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      padding: 12px 14px;
    }

    .mod-status-col b {
      font-family: var(--mono);
      font-size: var(--text-micro);
      font-weight: 700;
      letter-spacing: .06em;
      text-transform: uppercase;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .mod-status-col ul {
      margin: 8px 0 0 16px;
      padding: 0;
      font-size: max(12px, calc(12px * var(--text-scale)));
      color: var(--ink-soft);
      line-height: 1.6;
    }

    .kbd-note {
      font-family: var(--mono);
      font-size: var(--text-micro);
      color: var(--ink-faint);
    }

    #mlWindowStatus {
      border: 1px solid var(--line-strong);
      border-radius: var(--radius-tag);
      padding: 3px 10px;
      background: var(--paper);
    }

    #mlWindowStatus[data-full="1"] {
      color: var(--status-normal);
      border-color: var(--status-normal);
    }

    .visually-hidden {
      position: absolute;
      width: 1px;
      height: 1px;
      overflow: hidden;
      clip: rect(0 0 0 0);
    }

    /* ============================================================
       AEROTWIN ESCALATION BANNER, ROLE WORKSPACES & COMPONENT STYLES
       ============================================================ */

    /* ── Persistent Role Escalation & Handoff Banner ── */
    .case-escalation-banner {
      display: none;
      flex-direction: column;
      background: var(--panel);
      border-bottom: 1px solid var(--line);
      box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
      position: sticky;
      top: 0;
      z-index: 90;
      transition: background var(--motion-base) var(--ease-standard), border-color var(--motion-base) var(--ease-standard), opacity 0.2s ease;
      box-sizing: border-box;
    }

    body.has-active-escalation .case-escalation-banner {
      display: flex;
    }

    .case-escalation-banner.is-collapsed {
      padding: 4px 18px;
    }

    .case-escalation-banner.is-expanded {
      padding: 6px 18px 8px;
    }

    .ce-summary-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      width: 100%;
      min-height: 20px;
      flex-wrap: wrap;
    }

    .ce-left {
      display: flex;
      align-items: center;
      gap: 8px;
      flex: 1 1 auto;
      min-width: 0;
      flex-wrap: wrap;
    }

    .ce-right {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-shrink: 0;
    }

    .ce-case-chip {
      font-family: var(--mono);
      font-weight: 700;
      font-size: var(--text-micro);
      padding: 1px 6px;
      border-radius: var(--radius-xs);
      background: var(--panel-raise);
      border: 1px solid var(--line);
      color: var(--ink);
      letter-spacing: normal;
      white-space: nowrap;
      flex-shrink: 0;
    }

    .ce-status-badge {
      font-family: var(--mono);
      font-size: var(--text-micro);
      font-weight: 600;
      letter-spacing: normal;
      white-space: nowrap;
      display: inline-flex;
      align-items: center;
      flex-shrink: 0;
    }

    .ce-status-badge[data-state="idle"] {
      background: transparent;
      color: var(--ink-soft);
      border: none;
      padding: 0 2px;
    }

    .ce-status-badge[data-state="active"] {
      background: var(--maroon-soft);
      color: var(--maroon);
      border: 1px solid var(--maroon);
      font-weight: 800;
      padding: 1px 6px;
      border-radius: var(--radius-xs);
      text-transform: uppercase;
    }

    .ce-status-badge[data-state="verified"] {
      background: var(--teal-soft);
      color: var(--ink);
      border: 1px solid var(--teal);
      font-weight: 800;
      padding: 1px 6px;
      border-radius: var(--radius-xs);
      text-transform: uppercase;
    }

    html[data-theme="dark"] .ce-status-badge[data-state="verified"] {
      background: var(--teal-soft);
      color: var(--teal);
      border-color: var(--teal);
    }

    .ce-status-badge[data-state="action_confirmed"] {
      background: var(--teal-soft);
      color: var(--ink);
      border: 1px solid var(--teal);
      font-weight: 800;
      padding: 1px 6px;
      border-radius: var(--radius-xs);
      text-transform: uppercase;
    }

    #ceCaseTitle {
      font-size: var(--text-micro);
      font-weight: 600;
      color: var(--ink);
      white-space: normal;
      word-break: break-word;
      line-height: 1.4;
      display: inline-block;
      vertical-align: middle;
      min-width: 200px;
      flex: 1 1 auto;
    }

    .ce-toggle-btn {
      background: transparent;
      border: 1px solid var(--line);
      border-radius: var(--radius-xs);
      color: var(--ink-soft);
      font-family: var(--mono);
      font-size: var(--text-micro);
      padding: 2px 7px;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 4px;
      transition: all 0.15s ease;
      line-height: 1.2;
    }

    .ce-toggle-btn:hover {
      background: var(--panel-raise);
      color: var(--ink);
      border-color: var(--teal);
    }

    .ce-toggle-chevron {
      font-size: var(--text-micro);
      transition: transform 0.2s ease;
    }

    .case-escalation-banner.is-collapsed .ce-pipeline {
      display: none !important;
    }

    /* Stepper Pipeline (Horizontal Inline Flow) */
    .ce-pipeline {
      display: flex;
      align-items: center;
      gap: 6px;
      background: var(--panel-raise);
      padding: 4px 10px;
      border-radius: var(--radius-xs);
      border: 1px solid var(--line);
      flex-shrink: 0;
      flex-wrap: wrap;
    }

    .ce-pipeline .badge {
      font-family: var(--mono);
      font-size: var(--text-micro);
      font-weight: 600;
      white-space: nowrap;
      transition: all var(--motion-fast) var(--ease-standard);
    }

    .ce-step-arrow {
      color: var(--ink-faint);
      font-size: var(--text-micro);
      font-weight: 700;
      display: inline-flex;
      align-items: center;
      user-select: none;
    }

    #ceBannerActionBtn {
      font-family: var(--mono);
      font-weight: 700;
      font-size: var(--text-micro);
      letter-spacing: 0.02em;
      white-space: nowrap;
      padding: 2px 9px;
    }

    /* Escalation Action Buttons */
    .ce-actions {
      display: flex;
      align-items: center;
      gap: 6px;
      flex-shrink: 0;
    }

    .ce-btn {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      font-family: var(--sans);
      font-size: var(--text-micro);
      font-weight: 600;
      padding: 5px 11px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--line);
      background: var(--panel);
      color: var(--ink);
      cursor: pointer;
      transition: all 0.15s ease;
      text-decoration: none;
      line-height: 1.2;
    }

    .ce-btn:hover {
      border-color: var(--teal);
      color: var(--ink);
      background: var(--teal-soft);
    }

    .ce-btn-primary {
      background: var(--teal);
      color: #fff;
      border-color: var(--teal);
      font-weight: 700;
    }

    .ce-btn-primary:hover {
      background: var(--teal-strong);
      border-color: var(--teal-strong);
      color: #fff;
    }

    .ce-btn-accent {
      background: var(--teal);
      color: #fff;
      border-color: var(--teal-strong);
      font-weight: 700;
    }

    .ce-btn-accent:hover {
      background: var(--teal-strong);
      border-color: var(--teal-strong);
      color: #fff;
    }

    .ce-btn-warning {
      background: #D97706;
      color: #fff;
      border-color: #B45309;
      font-weight: 700;
    }

    .ce-btn-warning:hover {
      background: #B45309;
      border-color: #92400E;
      color: #fff;
    }

    /* ── Top Bar Role Switcher Refinement ── */
    .mode-title {
      font-family: var(--mono);
      font-size: var(--text-micro);
      font-weight: 700;
      letter-spacing: normal;
      line-height: 1.1;
      display: block;
    }

    .mode-sub {
      font-family: var(--sans);
      font-size: var(--text-micro);
      font-weight: 500;
      opacity: 0.8;
      line-height: 1;
      margin-top: 1px;
      display: block;
    }

    /* ── HUD Bar Workspace Identity Badge ── */
    .ws-identity-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-family: var(--mono);
      font-size: var(--text-micro);
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.02em;
      padding: 2px 9px;
      border-radius: var(--radius-xs);
      background: var(--panel);
      border: 1px solid var(--line);
      color: var(--ink-soft);
      white-space: nowrap;
      margin-left: 6px;
      line-height: 1.4;
    }

    .ws-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--teal);
      display: inline-block;
    }

    /* ── Operator Mission Command Hero ── */
    .op-mission-command-hero {
      margin-bottom: 18px;
    }

    .op-hero-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr;
      gap: 14px;
      margin-bottom: 14px;
    }

    .op-decision-card {
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      padding: 16px 18px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .op-decision-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 8px;
    }

    .op-decision-label {
      font-family: var(--mono);
      font-size: var(--text-micro);
      font-weight: 700;
      text-transform: none;
      letter-spacing: normal;
      color: var(--ink-faint);
      line-height: 1.4;
    }

    .op-decision-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-family: var(--mono);
      font-size: calc(13px * var(--text-scale));
      font-weight: 800;
      padding: 5px 12px;
      border-radius: var(--radius-sm);
      border: 1px solid transparent;
      text-transform: uppercase;
      letter-spacing: 0.03em;
      white-space: nowrap;
    }

    .op-decision-badge[data-decision="continue"] {
      background: var(--panel-raise);
      color: var(--ink);
      border: 1px solid var(--status-normal);
    }
    html[data-theme="dark"] .op-decision-badge[data-decision="continue"] {
      background: rgba(15, 23, 42, 0.6);
      color: #FFFFFF;
      border-color: #34D399;
    }
    .op-decision-badge[data-decision="continue"] #opDecisionDot {
      color: var(--status-normal);
    }
    html[data-theme="dark"] .op-decision-badge[data-decision="continue"] #opDecisionDot {
      color: #34D399;
    }

    .op-decision-badge[data-decision="monitor"] {
      background: var(--panel-raise);
      color: var(--ink);
      border: 1px solid var(--status-warn);
    }
    html[data-theme="dark"] .op-decision-badge[data-decision="monitor"] {
      background: rgba(15, 23, 42, 0.6);
      color: #FFFFFF;
      border-color: #FBBF24;
    }
    .op-decision-badge[data-decision="monitor"] #opDecisionDot {
      color: var(--status-warn);
    }
    html[data-theme="dark"] .op-decision-badge[data-decision="monitor"] #opDecisionDot {
      color: #FBBF24;
    }

    .op-decision-badge[data-decision="reduce_load"],
    .op-decision-badge[data-decision="reduce"],
    .op-decision-badge[data-decision="return"],
    .op-decision-badge[data-decision="abort"] {
      background: var(--panel-raise);
      color: var(--ink);
      border: 1px solid var(--maroon);
    }
    html[data-theme="dark"] .op-decision-badge[data-decision="reduce_load"],
    html[data-theme="dark"] .op-decision-badge[data-decision="reduce"],
    html[data-theme="dark"] .op-decision-badge[data-decision="return"],
    html[data-theme="dark"] .op-decision-badge[data-decision="abort"] {
      background: rgba(15, 23, 42, 0.6);
      color: #FFFFFF;
      border-color: #F87171;
    }
    .op-decision-badge[data-decision="reduce_load"] #opDecisionDot,
    .op-decision-badge[data-decision="reduce"] #opDecisionDot,
    .op-decision-badge[data-decision="return"] #opDecisionDot,
    .op-decision-badge[data-decision="abort"] #opDecisionDot {
      color: var(--maroon);
    }
    html[data-theme="dark"] .op-decision-badge[data-decision="reduce_load"] #opDecisionDot,
    html[data-theme="dark"] .op-decision-badge[data-decision="reduce"] #opDecisionDot,
    html[data-theme="dark"] .op-decision-badge[data-decision="return"] #opDecisionDot,
    html[data-theme="dark"] .op-decision-badge[data-decision="abort"] #opDecisionDot {
      color: #F87171;
    }

    .op-why-chain {
      background: var(--panel-raise);
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      padding: 10px 12px;
      margin-top: 10px;
    }

    .op-why-title {
      font-family: var(--mono);
      font-size: var(--text-micro);
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.02em;
      color: var(--ink-soft);
      margin-bottom: 8px;
    }

    .op-why-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 8px;
    }

    .op-why-item {
      display: flex;
      flex-direction: column;
      gap: 2px;
    }

    .ow-lbl {
      font-size: var(--text-micro);
      color: var(--ink-faint);
      font-family: var(--mono);
      text-transform: uppercase;
      letter-spacing: 0.03em;
      white-space: nowrap;
    }

    .ow-val {
      font-size: var(--text-micro);
      font-weight: 700;
      font-family: var(--mono);
      color: var(--ink);
    }

    /* Operator Flight Segment Timeline */
    .op-timeline-card {
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      padding: 14px 18px;
      box-shadow: var(--shadow-sm);
      margin-top: 14px;
    }

    .op-timeline-head {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 14px;
    }

    .op-timeline-track {
      position: relative;
      margin: 18px 24px 22px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .op-timeline-line {
      position: absolute;
      left: 0;
      right: 0;
      top: 50%;
      height: 3px;
      background: var(--line);
      transform: translateY(-50%);
      z-index: 1;
    }

    .op-timeline-line-progress {
      position: absolute;
      left: 0;
      top: 50%;
      height: 3px;
      background: var(--teal);
      transform: translateY(-50%);
      z-index: 2;
      transition: opacity 0.4s ease;
    }

    .op-segment-node {
      position: relative;
      z-index: 3;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 6px;
    }

    .op-segment-dot {
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: var(--panel);
      border: 2px solid var(--line);
      transition: all 0.2s;
    }

    .op-segment-name {
      font-family: var(--mono);
      font-size: var(--text-micro);
      font-weight: 600;
      color: var(--ink-faint);
      white-space: nowrap;
    }

    .op-segment-node.is-passed .op-segment-dot {
      background: var(--teal);
      border-color: var(--teal);
    }

    .op-segment-node.is-passed .op-segment-name {
      color: var(--ink);
      font-weight: 700;
    }

    .op-segment-node.is-current .op-segment-dot {
      background: var(--panel);
      border: 3px solid var(--teal);
      box-shadow: 0 0 0 4px var(--teal-soft);
      transform: scale(1.15);
    }

    .op-segment-node.is-current .op-segment-name {
      color: var(--ink);
      font-weight: 700;
    }

    /* ── Maintenance Workbench Suite ── */
    .maint-workbench-suite {
      margin-bottom: 18px;
    }

    .maint-workbench-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .maint-hero-card,
    .maint-work-order-card {
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      padding: 16px 18px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .maint-subsystem-list {
      display: flex;
      flex-direction: column;
      gap: 8px;
      margin: 10px 0;
    }

    .maint-subsystem-row {
      display: grid;
      grid-template-columns: 130px 1fr 40px;
      align-items: center;
      gap: 10px;
      font-size: var(--text-micro);
    }

    .maint-subsystem-name {
      font-weight: 600;
      color: var(--ink);
      white-space: nowrap;
    }

    .maint-subsystem-bar-wrap {
      height: 7px;
      background: var(--panel-raise);
      border-radius: 999px;
      overflow: hidden;
      border: 1px solid var(--line);
    }

    .maint-subsystem-bar {
      height: 100%;
      border-radius: 999px;
      transition: opacity 0.3s ease;
    }

    .maint-subsystem-val {
      font-family: var(--mono);
      font-weight: 700;
      text-align: right;
      color: var(--ink);
      font-size: var(--text-micro);
    }

    .maint-wo-meta-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 8px;
      background: var(--panel-raise);
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      padding: 10px;
      margin: 10px 0;
    }

    /* ── Digital Twin Lab Suite ── */
    .eng-lab-suite {
      margin-bottom: 18px;
    }

    .eng-lab-layout {
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      gap: 14px;
    }

    .eng-model-state-card,
    .eng-sandbox-card {
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      padding: 16px 18px;
      box-shadow: var(--shadow-sm);
    }

    .eng-sandbox-form {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
      margin-bottom: 12px;
    }

    .eng-input-group {
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .eng-input-group label {
      font-family: var(--mono);
      font-size: var(--text-micro);
      font-weight: 600;
      text-transform: uppercase;
      color: var(--ink-faint);
    }

    .eng-input-group input,
    .eng-input-group select {
      padding: 6px 8px;
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      background: var(--panel);
      color: var(--ink);
      font-family: var(--mono);
      font-size: max(12px, calc(12px * var(--text-scale)));
    }

    .eng-results-table {
      width: 100%;
      border-collapse: collapse;
      font-size: var(--text-micro);
      margin-top: 8px;
    }

    .eng-results-table th {
      text-align: left;
      padding: 6px 8px;
      font-family: var(--mono);
      font-size: var(--text-micro);
      text-transform: uppercase;
      color: var(--ink-faint);
      border-bottom: 1px solid var(--line);
      background: var(--panel-raise);
    }

    .eng-results-table td {
      padding: 6px 8px;
      border-bottom: 1px solid var(--line);
      font-family: var(--mono);
    }

    .val-delta-pos {
      color: var(--status-crit) !important;
      font-weight: 700;
    }

    .val-delta-neg {
      color: var(--status-normal) !important;
      font-weight: 700;
    }

    .val-delta-zero {
      color: var(--status-normal) !important;
      font-weight: 700;
    }

    .btn-accent {
      background: var(--teal);
      color: #fff;
      border-color: var(--teal-strong);
    }

    .btn-accent:hover {
      background: var(--teal-strong);
      border-color: var(--teal-strong);
    }

    /* ── Miscellaneous Helpers ── */
    .lc-arrow {
      color: var(--teal);
      margin: 0 4px;
      font-weight: 700;
    }

    .lc-node {
      font-weight: 600;
      font-family: var(--mono);
      color: var(--ink);
    }

    .cc-top-diag-panel {
      margin-bottom: 16px;
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      background: var(--panel);
      padding: 14px 18px;
    }

    .residual-subpanel-head {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 10px;
      font-family: var(--mono);
      font-size: var(--text-micro);
    }

    .sensorq-heatmap-wrap {
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      padding: 10px;
      margin-top: 8px;
    }

    .sq-heat-cells {
      display: flex;
      gap: 2px;
      height: 10px;
      border-radius: 2px;
      overflow: hidden;
    }

    .sy-text {
      font-family: var(--mono);
      font-size: var(--text-micro);
      font-weight: 600;
    }

    .user-avatar {
      font-size: 13px;
      margin-right: 2px;
    }

    /* ── Responsive adjustments ── */
    @media (max-width: 1100px) {
      .case-escalation-banner {
        flex-wrap: wrap;
        gap: 8px;
        padding: 8px 14px;
      }
      .ce-pipeline {
        order: 3;
        width: 100%;
        overflow-x: auto;
        justify-content: flex-start;
      }
      .op-hero-grid,
      .maint-workbench-layout,
      .eng-lab-layout {
        grid-template-columns: 1fr;
      }
      .op-why-grid {
        grid-template-columns: repeat(3, 1fr);
      }
    }

    @media (max-width: 700px) {
      .op-why-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .maint-wo-meta-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }


    .screen-title {
      font-family: var(--sans-cond);
      font-size: calc(22px * var(--text-scale));
      font-weight: 700;
      color: var(--ink);
      letter-spacing: -0.01em;
    }

    .nav-status {
      font-family: var(--mono);
      font-weight: 700;
      font-size: var(--text-micro);
      letter-spacing: .05em;
      padding: 3px 10px;
      border-radius: var(--radius-tag);
      text-transform: uppercase;
      white-space: nowrap;
      border: 1px solid transparent;
      flex-shrink: 0;
    }

    .tb-group-state {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* Telemetry File Ingestion Dropzone & Card Styles */
    .telemetry-dropzone {
      border: 1px dashed var(--line-strong);
      border-radius: var(--radius-sm, 2px);
      background: var(--panel-raise);
      padding: 16px 14px;
      text-align: center;
      cursor: pointer;
      transition: border-color 0.18s ease, background-color 0.18s ease;
      position: relative;
    }

    .telemetry-dropzone:hover,
    .telemetry-dropzone.dropzone-dragover {
      border-color: var(--teal);
      background: rgba(18, 110, 104, 0.07);
    }

    .telemetry-dropzone input[type="file"] {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      opacity: 0;
      cursor: pointer;
    }

    .dropzone-icon {
      font-size: 20px;
      color: var(--teal);
      margin-bottom: 6px;
      line-height: 1;
    }

    .dropzone-label {
      font-weight: 700;
      font-size: max(12px, calc(12px * var(--text-scale)));
      color: var(--ink);
      margin-bottom: 3px;
    }

    .dropzone-hint {
      font-family: var(--mono);
      font-size: var(--text-micro);
      color: var(--ink-soft);
    }

    /* Master Reset / Clear All Button & Toast Feedback */
    .btn-master-reset {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-family: var(--mono);
      font-size: var(--text-micro);
      font-weight: 700;
      color: var(--ink) !important;
      border-color: var(--teal) !important;
      background: var(--teal-soft) !important;
      cursor: pointer;
      padding: 4px 8px !important;
      overflow: hidden;
      white-space: nowrap;
      transition: all var(--motion-fast);
    }

    .btn-master-reset .btn-reset-icon {
      font-size: 13px;
      line-height: 1;
      display: inline-block;
      transition: transform 0.3s ease;
    }

    .btn-master-reset .btn-reset-label {
      max-width: 0;
      opacity: 0;
      overflow: hidden;
      white-space: nowrap;
      margin-left: 0;
      display: inline-block;
      transition: opacity 0.2s ease, transform 0.2s ease;
      vertical-align: middle;
    }

    .btn-master-reset:hover .btn-reset-label,
    .btn-master-reset:focus-visible .btn-reset-label,
    .btn-master-reset:active .btn-reset-label {
      max-width: 110px;
      opacity: 1;
      margin-left: 6px;
    }

    .btn-master-reset:hover .btn-reset-icon,
    .btn-master-reset:active .btn-reset-icon {
      transform: rotate(-180deg);
    }

    .btn-master-reset:hover,
    .btn-master-reset:focus-visible {
      background: var(--teal) !important;
      color: #ffffff !important;
      padding: 4px 10px !important;
      box-shadow: none;
    }

    .reset-cockpit-toast {
      position: fixed;
      bottom: 24px;
      right: 24px;
      z-index: 9999;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 10px 18px;
      border-radius: var(--radius-md);
      background: var(--panel-raise);
      border: 1px solid var(--teal);
      color: var(--ink);
      font-family: var(--mono);
      font-size: 12px;
      font-weight: 600;
      box-shadow: var(--shadow-lg), 0 4px 12px rgba(43, 89, 209, 0.2);
      opacity: 0;
      transform: translateY(12px);
      transition: opacity 0.25s ease, transform 0.25s ease;
      pointer-events: none;
    }

    .reset-cockpit-toast.is-visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* ============================================================
       AVIONICS TARGETED RED BORDER & FAULT PULSE ALERT SYSTEM
       ============================================================ */
    @keyframes pulseFaultBorder {
      0% {
        border-color: #ef4444;
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);
      }
      50% {
        border-color: #dc2626;
        box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.4);
      }
      100% {
        border-color: #ef4444;
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);
      }
    }

    .fault-alert-border,
    .tc[data-status="crit"],
    .cc-cell[data-tone="crit"],
    .aero-sec-expandable-card.has-attack,
    .flow-node[data-status="crit"],
    .panel.is-alert-fault,
    .diag-evidence-card.is-active-fault {
      border-color: var(--status-crit) !important;
      animation: pulseFaultBorder 2s infinite ease-in-out !important;
    }

    /* ============================================================
       SHARED SETTINGS POPOVER & PREFERENCES PANEL
       ============================================================ */
    /* Settings — fixed dropdown, no backdrop overlay */
    .settings-popover {
      position: fixed;
      top: calc(var(--topbar-h, 58px) + 6px);
      right: 16px;
      z-index: 99999;
      display: none;
    }

    .settings-popover.is-open {
      display: block;
      animation: dropdownFadeIn 0.18s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .settings-popover-card {
      width: 310px;
      max-width: calc(100vw - 24px);
      max-height: calc(100vh - var(--topbar-h, 58px) - 20px);
      background: var(--panel);
      border: 1px solid var(--line-strong);
      border-radius: var(--radius-md);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
      overflow-y: auto;
      display: flex;
      flex-direction: column;
      box-sizing: border-box;
    }

    .settings-popover-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 14px;
      border-bottom: 1px solid var(--line);
      background: var(--panel-raise);
    }

    .settings-popover-title-row {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .settings-popover-title {
      font-family: var(--sans-cond);
      font-size: calc(13px * var(--text-scale));
      font-weight: 700;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      color: var(--ink);
      margin: 0;
    }

    .settings-close-btn {
      background: transparent;
      border: 1px solid transparent;
      border-radius: var(--radius-xs);
      color: var(--ink-faint);
      font-size: 13px;
      width: 24px;
      height: 24px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: all 0.15s ease;
      line-height: 1;
      padding: 0;
    }

    .settings-close-btn:hover {
      background: var(--panel);
      color: var(--ink);
      border-color: var(--line);
    }

    .settings-popover-body {
      padding: 12px 14px;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .settings-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .settings-group-label {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-family: var(--mono);
      font-size: var(--text-micro);
      font-weight: 700;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      color: var(--ink-soft);
    }

    .settings-current-val {
      font-family: var(--mono);
      font-size: var(--text-micro);
      font-weight: 600;
      color: var(--ink-soft);
    }

    .settings-segment-row {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(70px, 1fr));
      gap: 4px;
      background: var(--panel-raise);
      padding: 3px;
      border-radius: var(--radius-xs);
      border: 1px solid var(--line);
    }

    .settings-segment-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 5px 8px;
      font-family: var(--mono);
      font-size: var(--text-micro);
      font-weight: 600;
      letter-spacing: 0.03em;
      color: var(--ink-soft);
      background: transparent;
      border: 1px solid transparent;
      border-radius: var(--radius-xs);
      cursor: pointer;
      transition: all 0.15s ease;
      text-transform: uppercase;
    }

    .settings-segment-btn:hover {
      color: var(--ink);
      background: rgba(0, 210, 255, 0.06);
    }

    .settings-segment-btn.active,
    .settings-segment-btn[aria-pressed="true"] {
      background: var(--teal);
      color: #ffffff;
      font-weight: 700;
      border-color: var(--teal-strong);
      box-shadow: var(--shadow-sm);
    }
    html[data-theme="dark"] .settings-segment-btn.active,
    html[data-theme="dark"] .settings-segment-btn[aria-pressed="true"] {
      color: #0F172A;
    }

    .settings-action-btn {
      width: 100%;
      display: inline-flex;
      align-items: center;
      justify-content: space-between;
      padding: 7px 10px;
      font-family: var(--mono);
      font-size: var(--text-micro);
      font-weight: 600;
      letter-spacing: 0.02em;
      color: var(--ink);
      background: var(--panel-raise);
      border: 1px solid var(--line);
      border-radius: var(--radius-xs);
      cursor: pointer;
      transition: all 0.15s ease;
    }

    .settings-action-btn:hover {
      border-color: var(--teal);
      background: var(--teal-soft);
      color: var(--teal-strong);
    }

    .settings-session-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 6px;
    }

    .settings-nav-action-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 6px 10px;
      border-radius: var(--radius-xs);
      background: var(--panel-raise);
      border: 1px solid var(--line);
      color: var(--ink);
      font-family: var(--mono);
      font-size: var(--text-micro);
      font-weight: 600;
      letter-spacing: 0.03em;
      text-decoration: none;
      cursor: pointer;
      transition: all 0.15s ease;
    }

    .settings-nav-action-btn:hover {
      border-color: var(--teal);
      background: var(--teal-soft);
      color: var(--teal-strong);
    }

    .settings-nav-action-btn.settings-logout-btn {
      color: var(--status-crit);
      border-color: var(--line);
    }

    .settings-nav-action-btn.settings-logout-btn:hover {
      background: var(--status-crit-bg);
      border-color: var(--status-crit);
      color: var(--status-crit);
    }

    .settings-popover-footer {
      padding: 7px 14px;
      background: var(--panel-raise);
      border-top: 1px solid var(--line);
      text-align: center;
    }

    .settings-popover-hint {
      font-family: var(--mono);
      font-size: var(--text-micro);
      color: var(--ink-faint);
      letter-spacing: normal;
    }

    /* ── App-shell settings icon button with hover-reveal label ── */
    .settings-icon-btn {
      display: inline-flex;
      align-items: center;
      gap: 0;
      padding: 4px 7px;
      overflow: hidden;
    }

    .settings-icon-btn .settings-gear-icon {
      flex-shrink: 0;
      vertical-align: middle;
    }

    .settings-icon-btn .settings-btn-label {
      font-family: var(--mono);
      font-size: var(--text-micro);
      font-weight: 700;
      letter-spacing: normal;
      white-space: nowrap;
      max-width: 0;
      overflow: hidden;
      opacity: 0;
      transition: opacity 0.18s ease, transform 0.18s ease;
      margin-left: 0;
    }

    .settings-icon-btn:hover .settings-btn-label,
    .settings-icon-btn[aria-expanded="true"] .settings-btn-label {
      max-width: 72px;
      opacity: 1;
      margin-left: 5px;
    }

    /* Role-based control disabling (Systematic RBAC) */
    .is-role-disabled,
    button[data-role-disabled="true"],
    input[data-role-disabled="true"],
    select[data-role-disabled="true"],
    textarea[data-role-disabled="true"] {
      opacity: 0.42 !important;
      cursor: not-allowed !important;
      pointer-events: none !important;
      filter: grayscale(0.55);
    }

    .screen-read-only-badge {
      display: inline-flex;
      align-items: center;
      margin-bottom: 12px;
    }