/* Loan Calculator — Custom Styles */

    .calc-form {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }

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

    .calc-form .input-group.full-width {
      grid-column: 1 / -1;
    }

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

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

    .input-with-prefix,
    .input-with-suffix {
      position: relative;
      display: flex;
      align-items: center;
    }

    .input-prefix,
    .input-suffix {
      position: absolute;
      font-size: 1rem;
      font-weight: 600;
      color: var(--color-text-muted);
      pointer-events: none;
      z-index: 1;
    }

    .input-prefix {
      left: 14px;
    }

    .input-suffix {
      right: 14px;
    }

    .calc-form input[type="number"],
    .calc-form input[type="text"] {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      font-family: var(--font-body);
      font-size: 1rem;
      color: var(--color-text);
      background: var(--color-surface);
      transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
      outline: none;
      -moz-appearance: textfield;
    }

    .calc-form .input-with-prefix input {
      padding-left: 30px;
    }

    .calc-form .input-with-suffix input {
      padding-right: 30px;
    }

    .calc-form input[type="number"]::-webkit-inner-spin-button,
    .calc-form input[type="number"]::-webkit-outer-spin-button {
      -webkit-appearance: none;
      margin: 0;
    }

    .calc-form input[type="number"]:focus,
    .calc-form input[type="text"]:focus {
      border-color: var(--color-primary);
      box-shadow: 0 0 0 3px var(--color-primary-light);
    }

    .calc-form input[type="number"]::placeholder,
    .calc-form input[type="text"]::placeholder {
      color: var(--color-text-muted);
    }

    .calc-form select {
      padding: 12px 16px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      font-family: var(--font-body);
      font-size: 1rem;
      color: var(--color-text);
      background: var(--color-surface);
      transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
      outline: none;
      cursor: pointer;
    }

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

    .term-row {
      display: flex;
      gap: 10px;
    }

    .term-row input {
      flex: 1;
    }

    .term-row select {
      width: 120px;
      flex-shrink: 0;
    }

    /* Results Section */
    .results-section {
      display: none;
      margin-top: 32px;
      padding-top: 28px;
      border-top: 1px solid var(--color-border-light);
      animation: fadeInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) both;
    }

    .results-section.visible {
      display: block;
    }

    .results-header {
      text-align: center;
      margin-bottom: 28px;
    }

    .payment-display {
      display: inline-flex;
      flex-direction: column;
      align-items: center;
      gap: 8px;
      padding: 28px 48px;
      border-radius: var(--radius-lg);
      background: var(--color-primary-light);
      border: 1px solid var(--color-primary-subtle);
      min-width: 260px;
    }

    .payment-display .payment-label {
      font-size: 0.75rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--color-primary);
      opacity: 0.85;
    }

    .payment-display .payment-value {
      font-size: 3rem;
      font-weight: 700;
      line-height: 1;
      color: var(--color-primary);
      font-family: var(--font-body);
      letter-spacing: -0.03em;
    }

    .payment-display .payment-period {
      font-size: 0.88rem;
      color: var(--color-primary);
      opacity: 0.7;
    }

    /* Result Cards Grid */
    .result-cards {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-top: 24px;
    }

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

    .result-card .card-label {
      font-size: 0.7rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      color: var(--color-text-muted);
      margin-bottom: 6px;
    }

    .result-card .card-value {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--color-text);
      font-family: var(--font-mono);
    }

    .result-card.interest .card-value {
      color: #dc2626;
    }

    /* Amortization Schedule */
    .amort-section {
      margin-top: 28px;
    }

    .amort-toggle {
      width: 100%;
      padding: 14px 20px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      background: var(--color-surface);
      cursor: pointer;
      font-family: var(--font-body);
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--color-text-secondary);
      display: flex;
      align-items: center;
      justify-content: space-between;
      transition: border-color var(--transition-fast), background var(--transition-fast);
    }

    .amort-toggle:hover {
      border-color: var(--color-primary);
      background: var(--color-primary-light);
      color: var(--color-primary);
    }

    .amort-toggle .toggle-arrow {
      transition: transform 0.3s ease;
    }

    .amort-toggle.open .toggle-arrow {
      transform: rotate(180deg);
    }

    .amort-table-wrapper {
      display: none;
      margin-top: 12px;
      max-height: 500px;
      overflow-y: auto;
      border: 1px solid var(--color-border-light);
      border-radius: var(--radius-sm);
    }

    .amort-table-wrapper.visible {
      display: block;
    }

    .amort-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 0.85rem;
    }

    .amort-table thead {
      position: sticky;
      top: 0;
      z-index: 1;
    }

    .amort-table th {
      padding: 10px 12px;
      background: var(--color-bg);
      border-bottom: 2px solid var(--color-border);
      font-size: 0.7rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      color: var(--color-text-muted);
      text-align: right;
    }

    .amort-table th:first-child {
      text-align: center;
    }

    .amort-table td {
      padding: 8px 12px;
      border-bottom: 1px solid var(--color-border-light);
      text-align: right;
      font-family: var(--font-mono);
      font-size: 0.82rem;
      color: var(--color-text);
    }

    .amort-table td:first-child {
      text-align: center;
      color: var(--color-text-muted);
    }

    .amort-table tbody tr:hover {
      background: var(--color-primary-light);
    }

    .amort-table tbody tr:last-child td {
      font-weight: 600;
    }

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

      .result-cards {
        grid-template-columns: 1fr 1fr;
      }

      .payment-display {
        padding: 24px 36px;
      }

      .payment-display .payment-value {
        font-size: 2.2rem;
      }

      .term-row {
        flex-direction: column;
      }

      .term-row select {
        width: 100%;
      }
    }

    @media (max-width: 480px) {
      .result-cards {
        grid-template-columns: 1fr;
      }

      .amort-table {
        font-size: 0.75rem;
      }

      .amort-table th,
      .amort-table td {
        padding: 6px 8px;
      }
    }