:root {
      --bg-page: #F3F6FA;
      --bg-surface: #FFFFFF;
      --bg-subtle: #EDF2F8;
      --bg-navy: #183B65;
      --bg-navy-mid: #214876;
      --bg-navy-soft: #E8F0F8;
      --text-primary: #0F233C;
      --text-secondary: #3B526E;
      --text-muted: #5C728D;
      --border-hairline: #D4DFEC;
      --border-strong: #B4C6DC;
      --accent-green: #15803D;
      --accent-green-bg: #DCFCE7;
      --accent-amber: #B45309;
      --accent-amber-bg: #FEF3C7;
      --accent-red: #B91C1C;
      --accent-red-bg: #FEE2E2;
      --accent-blue: #1D4ED8;
      --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
      --font-mono: 'JetBrains Mono', 'Cascadia Mono', 'SFMono-Regular', Consolas, monospace;
      --radius-sm: 6px;
      --radius-md: 10px;
      --shadow-card: 0 1px 3px rgba(15, 35, 60, 0.06), 0 1px 2px rgba(15, 35, 60, 0.04);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    body {
      font-family: var(--font-sans);
      background-color: var(--bg-page);
      color: var(--text-primary);
      line-height: 1.5;
      font-variant-numeric: tabular-nums;
      -webkit-font-smoothing: antialiased;
    }

    /* Epistemic Honesty Compliance Banner */
    .compliance-ribbon {
      background-color: #7F1D1D;
      color: #FEF2F2;
      font-family: var(--font-mono);
      font-size: 0.78rem;
      padding: 0.55rem 1.25rem;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 0.75rem;
      border-bottom: 2px solid #991B1B;
    }

    .compliance-ribbon strong {
      color: #FCA5A5;
      letter-spacing: 0.03em;
    }

    .compliance-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
    }

    .compliance-pill {
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(254, 202, 202, 0.35);
      border-radius: 4px;
      padding: 0.15rem 0.5rem;
      font-size: 0.73rem;
    }

    /* Top Engineering Header */
    .workbench-header {
      background: linear-gradient(135deg, var(--bg-navy) 0%, var(--bg-navy-mid) 100%);
      color: #FFFFFF;
      padding: 1.25rem 1.5rem;
      border-bottom: 1px solid #0F2947;
    }

    .header-inner {
      max-width: 1440px;
      margin: 0 auto;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: flex-start;
      gap: 1rem;
    }

    .brand-eyebrow {
      font-family: var(--font-mono);
      font-size: 0.74rem;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: #93C5FD;
      margin-bottom: 0.25rem;
    }

    .brand-title {
      font-size: 1.35rem;
      font-weight: 700;
      letter-spacing: -0.015em;
      margin-bottom: 0.25rem;
    }

    .brand-subtitle {
      font-size: 0.86rem;
      color: #DBEAFE;
      max-width: 78ch;
    }

    .header-meta-box {
      background: rgba(15, 35, 60, 0.45);
      border: 1px solid rgba(147, 197, 253, 0.3);
      border-radius: var(--radius-sm);
      padding: 0.65rem 0.9rem;
      font-family: var(--font-mono);
      font-size: 0.76rem;
      color: #E0F2FE;
      min-width: 280px;
    }

    .header-meta-row {
      display: flex;
      justify-content: space-between;
      gap: 1rem;
      padding: 0.12rem 0;
    }

    .header-meta-row span:first-child {
      color: #93C5FD;
    }

    /* Main Container */
    .workbench-main {
      max-width: 1440px;
      margin: 0 auto;
      padding: 1.25rem 1.5rem 3rem;
      display: flex;
      flex-direction: column;
      gap: 1.25rem;
    }

    /* Card Shell */
    .panel {
      background: var(--bg-surface);
      border: 1px solid var(--border-hairline);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-card);
      overflow: hidden;
    }

    .panel-header {
      background: var(--bg-subtle);
      padding: 0.75rem 1.15rem;
      border-bottom: 1px solid var(--border-hairline);
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 0.75rem;
    }

    .panel-title {
      font-size: 0.92rem;
      font-weight: 700;
      color: var(--bg-navy);
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .panel-tag {
      font-family: var(--font-mono);
      font-size: 0.72rem;
      font-weight: 600;
      padding: 0.15rem 0.5rem;
      border-radius: 4px;
      background: var(--bg-navy-soft);
      color: var(--bg-navy);
      border: 1px solid var(--border-strong);
    }

    .panel-body {
      padding: 1.15rem;
    }

    /* Scenario Switcher Grid */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 0.75rem;
    }

    .scenario-btn {
      appearance: none;
      text-align: left;
      background: var(--bg-surface);
      border: 1.5px solid var(--border-hairline);
      border-radius: var(--radius-sm);
      padding: 0.85rem 1rem;
      cursor: pointer;
      transition: border-color 0.15s ease, background-color 0.15s ease, transform 0.1s ease;
      display: flex;
      flex-direction: column;
      gap: 0.35rem;
    }

    .scenario-btn:hover {
      border-color: var(--bg-navy-mid);
      background: #F8FBFF;
    }

    .scenario-btn[aria-pressed="true"] {
      border-color: var(--bg-navy);
      background: var(--bg-navy-soft);
      box-shadow: inset 0 0 0 1px var(--bg-navy);
    }

    .scenario-btn-top {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 0.5rem;
      font-family: var(--font-mono);
      font-size: 0.74rem;
      color: var(--text-secondary);
    }

    .scenario-btn-title {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-primary);
    }

    .scenario-btn-desc {
      font-size: 0.78rem;
      color: var(--text-secondary);
    }

    .badge {
      display: inline-flex;
      align-items: center;
      font-family: var(--font-mono);
      font-size: 0.7rem;
      font-weight: 700;
      padding: 0.12rem 0.45rem;
      border-radius: 4px;
      text-transform: uppercase;
    }

    .badge-pass {
      background: var(--accent-green-bg);
      color: var(--accent-green);
      border: 1px solid #86EFAC;
    }

    .badge-warn {
      background: var(--accent-amber-bg);
      color: var(--accent-amber);
      border: 1px solid #FCD34D;
    }

    .badge-fault {
      background: var(--accent-red-bg);
      color: var(--accent-red);
      border: 1px solid #FCA5A5;
    }

    /* Replay Toolbar */
    .replay-toolbar {
      margin-top: 1rem;
      padding-top: 0.9rem;
      border-top: 1px solid var(--border-hairline);
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
    }

    .replay-controls {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 0.5rem;
    }

    .btn {
      appearance: none;
      border: 1px solid var(--border-strong);
      background: var(--bg-surface);
      color: var(--text-primary);
      font-family: var(--font-sans);
      font-size: 0.8rem;
      font-weight: 600;
      padding: 0.42rem 0.8rem;
      border-radius: var(--radius-sm);
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
    }

    .btn:hover {
      background: var(--bg-subtle);
      border-color: var(--bg-navy-mid);
    }

    .btn-primary {
      background: var(--bg-navy);
      color: #FFFFFF;
      border-color: var(--bg-navy);
    }

    .btn-primary:hover {
      background: var(--bg-navy-mid);
      color: #FFFFFF;
    }

    .scrubber-wrap {
      flex: 1;
      min-width: 240px;
      display: flex;
      align-items: center;
      gap: 0.65rem;
      font-family: var(--font-mono);
      font-size: 0.78rem;
    }

    .scrubber-wrap input[type="range"] {
      flex: 1;
      accent-color: var(--bg-navy);
      cursor: pointer;
    }

    .control-select {
      font-family: var(--font-mono);
      font-size: 0.78rem;
      padding: 0.38rem 0.6rem;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-strong);
      background: var(--bg-surface);
      color: var(--text-primary);
    }

    /* KPI Strip */
    .kpi-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(205px, 1fr));
      gap: 0.85rem;
    }

    .kpi-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-hairline);
      border-radius: var(--radius-md);
      padding: 0.9rem 1rem;
      box-shadow: var(--shadow-card);
      display: flex;
      flex-direction: column;
      gap: 0.25rem;
    }

    .kpi-label {
      font-size: 0.74rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.04em;
      color: var(--text-muted);
    }

    .kpi-value {
      font-family: var(--font-mono);
      font-size: 1.32rem;
      font-weight: 700;
      color: var(--bg-navy);
    }

    .kpi-sub {
      font-size: 0.76rem;
      color: var(--text-secondary);
      font-family: var(--font-mono);
    }

    /* Dual Canvas Layout */
    .charts-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 1rem;
    }

    .canvas-card {
      border: 1px solid var(--border-hairline);
      border-radius: var(--radius-sm);
      background: #FAFCFF;
      padding: 0.75rem;
    }

    .canvas-card-header {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 0.5rem;
      margin-bottom: 0.5rem;
    }

    .canvas-title {
      font-size: 0.84rem;
      font-weight: 700;
      color: var(--text-primary);
    }

    .legend-row {
      display: flex;
      flex-wrap: wrap;
      gap: 0.85rem;
      font-family: var(--font-mono);
      font-size: 0.73rem;
      color: var(--text-secondary);
    }

    .legend-item {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
    }

    .legend-swatch {
      width: 12px;
      height: 4px;
      border-radius: 2px;
      display: inline-block;
    }

    canvas.telemetry-canvas {
      width: 100%;
      height: 250px;
      display: block;
      background: #FFFFFF;
      border: 1px solid var(--border-hairline);
      border-radius: 4px;
      cursor: crosshair;
    }

    /* Two-Column Split for Anomalies + UART Inspector */
    .split-two {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(460px, 1fr));
      gap: 1.25rem;
    }

    @media (max-width: 980px) {
      .split-two {
        grid-template-columns: 1fr;
      }
    }

    .anomaly-list {
      display: flex;
      flex-direction: column;
      gap: 0.65rem;
    }

    .anomaly-item {
      border: 1px solid var(--border-hairline);
      border-left: 4px solid var(--accent-red);
      border-radius: var(--radius-sm);
      padding: 0.75rem 0.9rem;
      background: #FFFDFD;
    }

    .anomaly-item-head {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 0.5rem;
      font-family: var(--font-mono);
      font-size: 0.78rem;
      font-weight: 700;
      color: var(--accent-red);
      margin-bottom: 0.35rem;
    }

    .anomaly-diag {
      font-size: 0.82rem;
      color: var(--text-primary);
      margin-bottom: 0.25rem;
    }

    .anomaly-action {
      font-size: 0.78rem;
      color: var(--text-secondary);
      font-family: var(--font-mono);
    }

    /* UART Inspector */
    .uart-toolbar {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 0.65rem;
    }

    .uart-stream-box {
      font-family: var(--font-mono);
      font-size: 0.76rem;
      background: #0B192C;
      color: #E2E8F0;
      border-radius: var(--radius-sm);
      padding: 0.75rem;
      max-height: 250px;
      overflow-y: auto;
      border: 1px solid #1E3A5F;
    }

    .uart-line {
      padding: 0.18rem 0.35rem;
      border-radius: 3px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      gap: 0.75rem;
      white-space: nowrap;
    }

    .uart-line:hover {
      background: rgba(59, 130, 246, 0.22);
    }

    .uart-line.anom-frame {
      background: rgba(239, 68, 68, 0.2);
      color: #FCA5A5;
    }

    .uart-verifier {
      margin-top: 0.75rem;
      padding: 0.7rem;
      background: var(--bg-subtle);
      border: 1px solid var(--border-hairline);
      border-radius: var(--radius-sm);
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
      align-items: center;
      font-family: var(--font-mono);
      font-size: 0.76rem;
    }

    .uart-verifier input {
      flex: 1;
      min-width: 240px;
      font-family: var(--font-mono);
      font-size: 0.76rem;
      padding: 0.38rem 0.55rem;
      border: 1px solid var(--border-strong);
      border-radius: 4px;
      background: #FFFFFF;
    }

    /* Responsive Data Table (modern-web-guidance: responsive-table) */
    .table-wrapper {
      overflow: auto;
      max-inline-size: 100%;
      max-block-size: min(500px, 80vh);
      container-type: inline-size;
      border: 1px solid var(--border-hairline);
      border-radius: var(--radius-sm);
    }

    table.dmrv-table {
      width: 100%;
      border-collapse: separate;
      border-spacing: 0;
      font-size: 0.81rem;
      font-variant-numeric: tabular-nums;
      --label-1: "QR Bag Code";
      --label-2: "Bag Class";
      --label-3: "Net Mass (kg)";
      --label-4: "Tare / Gross (kg)";
      --label-5: "Stored C_org (kg)";
      --label-6: "Net CO2e (kg)";
      --label-7: "Ultisol Plot ID";
      --label-8: "Coverage (2 t/ha)";
      --label-9: "dMRV Stage";
    }

    table.dmrv-table caption {
      text-align: left;
      padding: 0.6rem 0.85rem;
      font-weight: 700;
      font-size: 0.82rem;
      color: var(--bg-navy);
      background: #F8FAFC;
      border-bottom: 1px solid var(--border-hairline);
    }

    table.dmrv-table thead {
      position: sticky;
      inset-block-start: 0;
      z-index: 1;
    }

    table.dmrv-table th,
    table.dmrv-table td {
      padding: 0.55rem 0.75rem;
      border-bottom: 1px solid var(--border-hairline);
      text-align: left;
      white-space: nowrap;
    }

    table.dmrv-table thead th {
      background: var(--bg-subtle);
      color: var(--bg-navy);
      font-weight: 700;
      font-size: 0.75rem;
      text-transform: uppercase;
      letter-spacing: 0.03em;
    }

    table.dmrv-table tbody th {
      position: sticky;
      inset-inline-start: 0;
      background: #FFFFFF;
      font-family: var(--font-mono);
      font-weight: 700;
      color: var(--bg-navy);
      border-right: 1px solid var(--border-hairline);
    }

    table.dmrv-table tbody tr:hover td,
    table.dmrv-table tbody tr:hover th {
      background: #F4F8FD;
    }

    table.dmrv-table tfoot td,
    table.dmrv-table tfoot th {
      background: var(--bg-subtle);
      font-family: var(--font-mono);
      font-weight: 700;
      border-top: 2px solid var(--border-strong);
    }

    @container (width < 600px) {
      table.dmrv-table,
      table.dmrv-table thead,
      table.dmrv-table tbody,
      table.dmrv-table tr,
      table.dmrv-table th,
      table.dmrv-table td {
        display: block;
        white-space: normal;
      }

      table.dmrv-table thead {
        display: none;
      }

      table.dmrv-table tbody tr {
        margin-block-end: 1rem;
        border: 1px solid var(--border-strong);
        border-radius: var(--radius-sm);
      }

      table.dmrv-table tbody th {
        position: sticky;
        inset-block-start: 0;
        z-index: 2;
        background: var(--bg-subtle);
      }

      table.dmrv-table td:nth-child(2)::before { content: var(--label-2) ": "; font-weight: 700; }
      table.dmrv-table td:nth-child(3)::before { content: var(--label-3) ": "; font-weight: 700; }
      table.dmrv-table td:nth-child(4)::before { content: var(--label-4) ": "; font-weight: 700; }
      table.dmrv-table td:nth-child(5)::before { content: var(--label-5) ": "; font-weight: 700; }
      table.dmrv-table td:nth-child(6)::before { content: var(--label-6) ": "; font-weight: 700; }
      table.dmrv-table td:nth-child(7)::before { content: var(--label-7) ": "; font-weight: 700; }
      table.dmrv-table td:nth-child(8)::before { content: var(--label-8) ": "; font-weight: 700; }
      table.dmrv-table td:nth-child(9)::before { content: var(--label-9) ": "; font-weight: 700; }
    }

    /* Export Preview Box */
    .report-preview {
      font-family: var(--font-mono);
      font-size: 0.76rem;
      background: #0F172A;
      color: #E2E8F0;
      padding: 0.9rem;
      border-radius: var(--radius-sm);
      max-height: 320px;
      overflow: auto;
      white-space: pre-wrap;
      border: 1px solid #1E293B;
    }

    .mono {
      font-family: var(--font-mono);
    }