.modal-overlay { position: fixed; inset: 0; background: rgba(70, 55, 95, 0.35); display: flex; align-items: center; justify-content: center; padding: 16px; z-index: 50; }
  .modal { background: var(--paper); border-radius: 12px; width: 100%; max-width: 400px; max-height: 88vh; overflow-y: auto; padding: 20px; }
  .modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
  .modal-title { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 17px; }
  .close-btn { background: transparent; border: none; color: var(--muted); cursor: pointer; padding: 4px; display: flex; }
  .error-banner { background: var(--badge-overdue-bg); color: var(--badge-overdue-text); font-size: 12.5px; padding: 8px 10px; border-radius: 6px; margin-bottom: 12px; }
  .receipt-preview-img { width: 100%; max-height: 160px; object-fit: cover; border-radius: 8px; margin-bottom: 14px; }
  .form-body { display: flex; flex-direction: column; gap: 4px; }
  .field-label { font-size: 11.5px; font-weight: 600; color: var(--muted); margin-top: 10px; margin-bottom: 4px; letter-spacing: 0.02em; text-transform: uppercase; }
  .field-input { border: 1px solid var(--border); border-radius: 8px; padding: 12px 11px; font-size: 16px; font-family: 'Inter', sans-serif; background: #FFFFFF; color: var(--ink); outline: none; width: 100%; }
  .field-input:focus { border-color: var(--primary); }
  .cat-grid { display: flex; flex-wrap: wrap; gap: 6px; }
  .cat-chip { display: flex; align-items: center; gap: 5px; border: 1px solid var(--border); background: #FFFFFF; border-radius: 20px; padding: 6px 11px; font-size: 12.5px; cursor: pointer; color: var(--ink); }
  .cat-chip.active { background: var(--primary); color: var(--primary-text); border-color: var(--primary); }
  .form-actions { display: flex; gap: 8px; margin-top: 18px; position: sticky; bottom: -20px; background: var(--paper); padding: 10px 0 20px; margin-bottom: -20px; }
  .cancel-btn { flex: 1; background: transparent; border: 1px solid var(--border); border-radius: 8px; padding: 11px 8px; font-size: 13.5px; font-weight: 600; color: var(--ink); cursor: pointer; }
  .save-btn { flex: 1; display: flex; align-items: center; justify-content: center; gap: 6px; background: var(--save); border: none; border-radius: 8px; padding: 11px 8px; font-size: 13.5px; font-weight: 600; color: var(--save-text); cursor: pointer; }

  @keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
  .spin { animation: spin 1s linear infinite; }