.mac-calc-host { width: 100%; }

    .mac-calc-host .field-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      background: var(--ys-bg-soft);
      padding: 18px;
      border-radius: 10px;
      margin-bottom: 16px;
    }
    @media (max-width: 600px) { .mac-calc-host .field-grid { grid-template-columns: 1fr; } }
    .mac-calc-host .field-grid .full { grid-column: 1 / -1; }

    .mac-calc-host label {
      display: block;
      font-family: var(--ys-font-display);
      text-transform: uppercase;
      letter-spacing: 0.1em;
      font-size: 0.7rem;
      color: var(--ys-navy);
      margin-bottom: 6px;
    }
    .mac-calc-host .row { display: flex; align-items: stretch; }
    .mac-calc-host input[type="number"],
    .mac-calc-host select {
      width: 100%;
      padding: 10px 12px;
      border: 1.5px solid var(--ys-line);
      border-radius: 6px;
      font-size: 0.96rem;
      font-family: var(--ys-font-body);
      background: #fff;
      color: var(--ys-navy);
      box-sizing: border-box;
      transition: border-color 0.15s ease, box-shadow 0.15s ease;
    }
    .mac-calc-host input:focus,
    .mac-calc-host select:focus {
      outline: none;
      border-color: var(--wf-coral);
      box-shadow: 0 0 0 3px rgba(250, 119, 60, 0.18);
    }
    .mac-calc-host .row input { border-radius: 6px 0 0 6px; }
    .mac-calc-host .row .unit {
      padding: 0 12px;
      background: var(--ys-navy); color: #fff;
      font-family: var(--ys-font-display);
      letter-spacing: 0.06em; font-size: 0.74rem;
      display: flex; align-items: center;
      border-radius: 0 6px 6px 0;
      min-width: 50px; justify-content: center;
    }
    .mac-calc-host .field-help {
      font-size: 0.78rem; color: var(--ys-muted); margin-top: 6px;
    }

    .mac-calc-host .unit-toggle {
      display: flex; align-items: center; gap: 12px;
      margin-bottom: 14px;
      font-family: var(--ys-font-display);
      letter-spacing: 0.1em; text-transform: uppercase;
      font-size: 0.72rem; color: var(--ys-muted);
    }
    .mac-calc-host .unit-toggle .switch {
      display: inline-flex;
      border: 1.5px solid var(--ys-line);
      border-radius: 6px; overflow: hidden;
    }
    .mac-calc-host .unit-toggle .switch button {
      background: #fff; border: 0; padding: 6px 12px;
      font-family: var(--ys-font-display);
      letter-spacing: 0.1em; text-transform: uppercase;
      font-size: 0.7rem; font-weight: 600;
      color: var(--ys-muted); cursor: pointer;
    }
    .mac-calc-host .unit-toggle .switch button.active {
      background: var(--ys-navy); color: #fff;
    }

    .mac-calc-host .err {
      color: #c93939;
      background: rgba(201, 57, 57, 0.08);
      border-left: 4px solid #c93939;
      padding: 10px 14px;
      margin-top: 12px;
      border-radius: 6px;
      font-size: 0.92rem;
      display: none;
    }
    .mac-calc-host .err.active { display: block; }

    .mac-calc-host .totals-row {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
      margin-top: 18px;
    }
    @media (max-width: 600px) { .mac-calc-host .totals-row { grid-template-columns: 1fr; } }
    .mac-calc-host .total-tile {
      background: var(--ys-navy);
      color: #fff;
      border-radius: 10px;
      padding: 16px;
      text-align: center;
    }
    .mac-calc-host .total-tile.featured {
      background: var(--wf-coral);
    }
    .mac-calc-host .total-label {
      display: block;
      font-family: var(--ys-font-display);
      text-transform: uppercase;
      letter-spacing: 0.12em;
      font-size: 0.7rem;
      color: rgba(255,255,255,0.7);
      margin-bottom: 6px;
    }
    .mac-calc-host .total-value {
      display: block;
      font-family: var(--ys-font-display);
      font-weight: 700;
      font-size: 1.6rem;
      color: #fff;
      letter-spacing: 0.02em;
    }
    .mac-calc-host .total-aux {
      display: block;
      font-size: 0.78rem;
      color: rgba(255,255,255,0.7);
      margin-top: 4px;
    }

    /* TDEE breakdown bar */
    .mac-calc-host .breakdown {
      margin-top: 22px;
      padding: 18px;
      background: var(--ys-bg-soft);
      border-radius: 10px;
    }
    .mac-calc-host .breakdown h4 {
      font-family: var(--ys-font-display);
      letter-spacing: 0.1em; text-transform: uppercase;
      font-size: 0.78rem;
      color: var(--ys-navy);
      margin: 0 0 12px;
    }
    .mac-calc-host .h-bar {
      height: 36px;
      border-radius: 8px;
      overflow: hidden;
      display: flex;
      box-shadow: inset 0 1px 3px rgba(0,0,0,0.1);
    }
    .mac-calc-host .h-bar .seg {
      display: flex; align-items: center; justify-content: center;
      color: #fff;
      font-family: var(--ys-font-display);
      letter-spacing: 0.06em;
      font-size: 0.74rem;
      font-weight: 700;
      transition: width 0.4s ease;
      overflow: hidden; white-space: nowrap;
    }
    .mac-calc-host .seg-rmr  { background: var(--ys-navy); }
    .mac-calc-host .seg-tef  { background: #f4b942; color: #2F2D56; }
    .mac-calc-host .seg-neat { background: #6B8FB5; }
    .mac-calc-host .seg-eat  { background: var(--wf-coral); }
    .mac-calc-host .h-legend {
      display: flex; flex-wrap: wrap; gap: 12px 18px;
      margin-top: 12px;
      font-size: 0.85rem;
      color: var(--ys-navy);
    }
    .mac-calc-host .h-legend-item {
      display: inline-flex; align-items: center; gap: 6px;
    }
    .mac-calc-host .h-legend-swatch {
      width: 14px; height: 14px;
      border-radius: 3px;
    }

    /* Macro scenario card */
    .mac-calc-host .scenario {
      margin-top: 22px;
      padding: 18px;
      background: #fff;
      border: 1px solid var(--ys-line);
      border-radius: 10px;
    }
    .mac-calc-host .scenario-head {
      display: flex; justify-content: space-between; align-items: baseline;
      flex-wrap: wrap; gap: 12px;
      margin-bottom: 14px;
      padding-bottom: 10px;
      border-bottom: 1px solid var(--ys-line);
    }
    .mac-calc-host .scenario-name {
      font-family: var(--ys-font-display);
      letter-spacing: 0.04em;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--ys-navy);
    }
    .mac-calc-host .scenario-prot {
      font-family: var(--ys-font-display);
      letter-spacing: 0.06em;
      font-size: 0.82rem;
      color: var(--wf-coral);
    }
    .mac-calc-host .macro-bar {
      height: 30px;
      border-radius: 6px;
      overflow: hidden;
      display: flex;
      margin-bottom: 14px;
      box-shadow: inset 0 1px 3px rgba(0,0,0,0.1);
    }
    .mac-calc-host .macro-bar .mseg {
      display: flex; align-items: center; justify-content: center;
      color: #fff;
      font-family: var(--ys-font-display);
      letter-spacing: 0.06em;
      font-size: 0.72rem;
      font-weight: 700;
      transition: width 0.3s ease;
    }
    .mac-calc-host .mseg-carb    { background: #6B8FB5; }
    .mac-calc-host .mseg-protein { background: var(--ys-navy); }
    .mac-calc-host .mseg-fat     { background: var(--wf-coral); }

    .mac-calc-host table.scen-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 0.92rem;
    }
    .mac-calc-host table.scen-table th {
      background: var(--ys-bg-soft);
      color: var(--ys-navy);
      font-family: var(--ys-font-display);
      letter-spacing: 0.06em; text-transform: uppercase;
      font-size: 0.72rem;
      font-weight: 600;
      padding: 8px 10px;
      text-align: center;
    }
    .mac-calc-host table.scen-table td {
      padding: 10px;
      text-align: center;
      border-top: 1px solid var(--ys-line);
      color: var(--ys-navy);
    }
    .mac-calc-host table.scen-table td:first-child {
      text-align: left;
      font-family: var(--ys-font-display);
      letter-spacing: 0.04em;
      font-weight: 600;
    }
    .mac-calc-host table.scen-table td.macro-carb    { color: #6B8FB5; }
    .mac-calc-host table.scen-table td.macro-protein { color: var(--ys-navy); }
    .mac-calc-host table.scen-table td.macro-fat     { color: var(--wf-coral); }