.calc-form {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

    .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;
    }

    .input-group label .optional-tag {
      font-weight: 500;
      text-transform: none;
      letter-spacing: 0;
      color: var(--color-text-muted);
      font-size: 0.75rem;
    }

    .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;
    }

    /* Entry form row */
    .entry-form {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr auto;
      gap: 12px;
      align-items: end;
      padding-top: 8px;
      border-top: 1px solid var(--color-border-light);
    }

    .duration-row {
      display: flex;
      gap: 8px;
      align-items: center;
    }

    .duration-row input {
      width: 100%;
    }

    .add-btn {
      padding: 14px 24px;
      background: var(--color-primary);
      color: #fff;
      border: none;
      border-radius: var(--radius-sm);
      font-family: var(--font-body);
      font-size: 0.92rem;
      font-weight: 600;
      cursor: pointer;
      transition: background var(--transition-fast), transform var(--transition-fast);
      white-space: nowrap;
    }

    .add-btn:hover {
      background: var(--color-primary-hover, #4338ca);
      transform: translateY(-1px);
    }

    .add-btn:active {
      transform: translateY(0);
    }

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

    .entries-title {
      font-size: 0.85rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.06em;
      color: var(--color-text-muted);
      margin-bottom: 12px;
    }

    .entries-list {
      border: 1px solid var(--color-border-light);
      border-radius: var(--radius-sm);
      background: var(--color-surface);
      overflow: hidden;
    }

    .entry-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      padding: 12px 14px;
      border-bottom: 1px solid var(--color-border-light);
      font-size: 0.92rem;
    }

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

    .entry-item .entry-name {
      font-weight: 600;
      color: var(--color-text);
      flex: 1;
      min-width: 0;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .entry-item .entry-duration {
      font-family: var(--font-mono);
      font-size: 0.88rem;
      color: var(--color-text-secondary);
      white-space: nowrap;
    }

    .entry-item .entry-amount {
      font-family: var(--font-mono);
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--color-text);
      white-space: nowrap;
      min-width: 70px;
      text-align: right;
    }

    .remove-btn {
      background: var(--color-error-bg);
      color: var(--color-error);
      border: 1px solid #fecaca;
      border-radius: var(--radius-sm);
      padding: 6px 10px;
      font-size: 0.78rem;
      cursor: pointer;
      white-space: nowrap;
      transition: background var(--transition-fast);
    }

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

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

    /* Results grid */
    .results-grid {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 12px;
      margin-top: 20px;
    }

    .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);
    }

    @media (max-width: 768px) {
      .entry-form {
        grid-template-columns: 1fr;
      }

      .results-grid { grid-template-columns: 1fr; }
    }

    @media (max-width: 480px) {
      .entry-item {
        flex-wrap: wrap;
        gap: 8px;
      }

      .entry-item .entry-name {
        flex-basis: 100%;
      }
    }