.calc-form {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr auto;
      gap: 12px;
      align-items: end;
    }

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

    .input-group label {
      font-size: 0.8rem;
      font-weight: 600;
      color: var(--color-text-secondary);
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }

    .adorned-input {
      position: relative;
      display: flex;
      align-items: center;
    }

    .adorned-input .input-prefix {
      position: absolute;
      left: 16px;
      font-size: 1rem;
      font-weight: 600;
      color: var(--color-text-muted);
      pointer-events: none;
    }

    .adorned-input input {
      padding: 14px 16px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      font-family: var(--font-body);
      font-size: 1.1rem;
      font-weight: 600;
      color: var(--color-text);
      background: var(--color-surface);
      transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
      outline: none;
      width: 100%;
      -moz-appearance: textfield;
    }

    .adorned-input input::-webkit-inner-spin-button,
    .adorned-input input::-webkit-outer-spin-button {
      -webkit-appearance: none;
      margin: 0;
    }

    .adorned-input input:focus {
      border-color: var(--color-primary);
      box-shadow: 0 0 0 3px var(--color-primary-light);
    }

    .adorned-input input::placeholder {
      color: var(--color-text-muted);
      font-weight: 400;
    }

    .adorned-input.has-prefix input {
      padding-left: 34px;
    }

    .calc-input {
      padding: 14px 16px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      font-family: var(--font-body);
      font-size: 1.1rem;
      font-weight: 600;
      color: var(--color-text);
      background: var(--color-surface);
      transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
      outline: none;
      width: 100%;
      -moz-appearance: textfield;
    }

    .calc-input::-webkit-inner-spin-button,
    .calc-input::-webkit-outer-spin-button {
      -webkit-appearance: none;
      margin: 0;
    }

    .calc-input:focus {
      border-color: var(--color-primary);
      box-shadow: 0 0 0 3px var(--color-primary-light);
    }

    .calc-input::placeholder {
      color: var(--color-text-muted);
      font-weight: 400;
    }

    .btn-add {
      padding: 14px 24px;
      background: var(--color-primary);
      color: #fff;
      border: none;
      border-radius: var(--radius-sm);
      font-family: var(--font-body);
      font-size: 0.9rem;
      font-weight: 600;
      cursor: pointer;
      white-space: nowrap;
      transition: background var(--transition-fast), box-shadow var(--transition-fast);
    }

    .btn-add:hover {
      background: var(--color-primary-hover, var(--color-primary));
      box-shadow: 0 2px 8px rgba(0,0,0,0.12);
    }

    /* Items table */
    .items-table-wrapper {
      margin-top: 24px;
      overflow-x: auto;
    }

    .items-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 0.95rem;
    }

    .items-table thead th {
      text-align: left;
      font-size: 0.75rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.06em;
      color: var(--color-text-muted);
      padding: 10px 12px;
      background: var(--color-bg);
      border-bottom: 2px solid var(--color-border-light);
    }

    .items-table thead th:last-child {
      text-align: center;
      width: 60px;
    }

    .items-table tbody td {
      padding: 12px;
      border-bottom: 1px solid var(--color-border-light);
      color: var(--color-text);
    }

    .items-table tbody tr:nth-child(even) {
      background: var(--color-bg);
    }

    .items-table .col-qty,
    .items-table .col-cost,
    .items-table .col-total {
      text-align: right;
      font-family: var(--font-mono);
      font-weight: 600;
    }

    .items-table .col-remove {
      text-align: center;
    }

    .btn-remove {
      background: none;
      border: 1px solid #fecaca;
      color: #dc2626;
      border-radius: var(--radius-sm);
      padding: 4px 10px;
      cursor: pointer;
      font-size: 0.82rem;
      font-weight: 600;
      transition: background var(--transition-fast);
    }

    .btn-remove:hover {
      background: #fef2f2;
    }

    .empty-state {
      text-align: center;
      padding: 32px 16px;
      color: var(--color-text-muted);
      font-size: 0.92rem;
    }

    /* Adjustments row */
    .adjustments-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
      margin-top: 24px;
      padding-top: 20px;
      border-top: 1px solid var(--color-border-light);
    }

    .input-with-affix {
      position: relative;
    }

    .input-with-affix input {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      font-family: var(--font-body);
      font-size: 0.98rem;
      color: var(--color-text);
      background: var(--color-surface);
      outline: none;
      transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
      -moz-appearance: textfield;
    }

    .input-with-affix input:focus {
      border-color: var(--color-primary);
      box-shadow: 0 0 0 3px var(--color-primary-light);
    }

    .input-with-affix input::-webkit-inner-spin-button,
    .input-with-affix input::-webkit-outer-spin-button {
      -webkit-appearance: none;
      margin: 0;
    }

    .affix {
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      color: var(--color-text-muted);
      font-weight: 600;
      pointer-events: none;
    }

    .affix.right { right: 12px; }
    .input-with-affix.suffix input { padding-right: 28px; }

    /* Results section */
    .results-section {
      margin-top: 28px;
      padding-top: 24px;
      border-top: 1px solid var(--color-border-light);
    }

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

    .result-card {
      padding: 16px;
      background: var(--color-bg);
      border: 1px solid var(--color-border-light);
      border-radius: var(--radius-md);
      text-align: center;
    }

    .result-card .result-card-label {
      font-size: 0.75rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.06em;
      color: var(--color-text-muted);
      margin-bottom: 6px;
    }

    .result-card .result-card-value {
      font-size: 1.3rem;
      font-weight: 700;
      color: var(--color-text);
      font-family: var(--font-mono);
    }

    .result-card.grand-total {
      grid-column: 1 / -1;
      background: linear-gradient(135deg, #ecfdf5, #d1fae5);
      border-color: #a7f3d0;
      padding: 24px;
    }

    .result-card.grand-total .result-card-label {
      color: #047857;
      font-size: 0.8rem;
    }

    .result-card.grand-total .result-card-value {
      font-size: 2.2rem;
      color: #047857;
    }

    @media (max-width: 900px) {
      .calc-form {
        grid-template-columns: 1fr;
      }
      .adjustments-row {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 600px) {
      .results-grid {
        grid-template-columns: 1fr;
      }
      .result-card.grand-total .result-card-value {
        font-size: 1.8rem;
      }
    }