/* Discount Calculator — Custom Styles */

    .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;
    }

    /* Prefixed / suffixed input wrappers */
    .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-suffix {
      position: absolute;
      right: 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;
    }

    .adorned-input.has-suffix input {
      padding-right: 34px;
    }

    /* Discount Presets */
    .discount-presets {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      margin-top: 8px;
    }

    .discount-preset-btn {
      padding: 8px 16px;
      border: 2px solid var(--color-border);
      border-radius: var(--radius-sm);
      background: var(--color-surface);
      font-family: var(--font-body);
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--color-text);
      cursor: pointer;
      transition: all var(--transition-fast);
    }

    .discount-preset-btn:hover {
      border-color: var(--color-primary);
      background: var(--color-primary-light);
    }

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

    /* Results Grid */
    .results-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 28px;
      padding-top: 28px;
      border-top: 1px solid var(--color-border-light);
    }

    .result-card {
      padding: 20px;
      background: var(--color-bg);
      border: 1px solid var(--color-border-light);
      border-radius: var(--radius-md);
      text-align: center;
      transition: border-color var(--transition-fast);
    }

    .result-card.savings {
      background: var(--color-success-bg);
      border-color: #a7f3d0;
    }

    .result-card.final-price {
      background: linear-gradient(135deg, #ecfdf5, #d1fae5);
      border-color: #6ee7b7;
    }

    .result-card.tax-card {
      background: var(--color-bg);
      border: 1px dashed var(--color-border);
    }

    .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: 8px;
    }

    .result-card .result-card-value {
      font-size: 2rem;
      font-weight: 700;
      color: var(--color-text);
      font-family: var(--font-mono);
      letter-spacing: -0.02em;
    }

    .result-card.savings .result-card-value {
      color: var(--color-success);
    }

    .result-card.final-price .result-card-value {
      color: #047857;
      font-size: 2.4rem;
    }

    .result-card .result-card-note {
      font-size: 0.78rem;
      color: var(--color-text-muted);
      margin-top: 4px;
    }

    .result-card .result-card-strikethrough {
      font-size: 1rem;
      color: var(--color-text-muted);
      text-decoration: line-through;
      font-family: var(--font-mono);
      margin-top: 4px;
    }

    /* Full width row */
    .results-grid .full-width {
      grid-column: 1 / -1;
    }

    /* Tax row visibility */
    .tax-row {
      display: none;
    }

    .tax-row.visible {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      grid-column: 1 / -1;
    }

    /* Responsive */
    @media (max-width: 600px) {
      .results-grid {
        grid-template-columns: 1fr;
      }

      .tax-row.visible {
        grid-template-columns: 1fr;
      }

      .discount-presets {
        gap: 6px;
      }

      .discount-preset-btn {
        padding: 8px 12px;
        font-size: 0.82rem;
      }

      .result-card .result-card-value {
        font-size: 1.6rem;
      }

      .result-card.final-price .result-card-value {
        font-size: 2rem;
      }
    }