/* Deliberately scoped: no effects on the existing prepare/slope UI. */
#packingChecklist {
  background: var(--panel, #fff);
  color: var(--ink, #172538);
  border: 1px solid var(--line, #c8d3df);
  border-radius: 14px;
  padding: 20px;
  margin-block: 20px;
  min-width: 0;
  max-width: 100%;
  font: 15px/1.5 "Segoe UI", sans-serif;
  overflow-wrap: anywhere;
}
#packingChecklist *, #packingChecklist *::before, #packingChecklist *::after { box-sizing: border-box; }
#packingChecklist [hidden] { display: none !important; }
#packingChecklist h1 { margin: 0 0 12px; font-size: clamp(28px, 5vw, 40px); line-height: 1.15; letter-spacing: -.6px; }
#packingChecklist h3 { margin: 0 0 8px; font-size: 1rem; }
#packingChecklist p { margin: 0 0 10px; }
#packingChecklist .packing-muted { color: var(--muted, #526275); font-size: .92em; }
#packingChecklist a { color: var(--accent, #175d9c); display: inline-flex; align-items: center; min-height: 44px; text-underline-offset: 3px; }
#packingChecklist .packing-config { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-block: 16px; }
#packingChecklist fieldset { display: flex; flex-wrap: wrap; gap: 4px 12px; margin: 0; padding: 8px 12px; border: 1px solid var(--line, #c8d3df); border-radius: 10px; min-width: 0; }
#packingChecklist .packing-config .packing-choice { flex: 1 1 100px; }
#packingChecklist legend { padding-inline: 4px; font-weight: 600; }
#packingChecklist .packing-choice { display: flex; align-items: center; gap: 8px; min-height: 44px; min-width: 0; }
#packingChecklist .packing-choice label { display: flex; align-items: center; min-height: 44px; cursor: pointer; flex: 1; }
#packingChecklist input[type="radio"], #packingChecklist input[type="checkbox"] { margin: 0; width: 20px; height: 20px; flex: 0 0 20px; accent-color: var(--accent, #175d9c); cursor: pointer; }
#packingChecklist input:disabled { cursor: default; }
#packingChecklist input:disabled + label { color: var(--muted, #526275); cursor: default; }
#packingChecklist .packing-progress { font-weight: 600; border-block: 1px solid var(--line, #c8d3df); padding-block: 12px; margin-block: 12px 16px; }
#packingChecklist .packing-notice, #packingChecklist .packing-confirmation { border: 1px solid var(--line, #c8d3df); border-radius: 10px; padding: 12px; background: var(--bg, #f3f6fa); }
#packingChecklist .packing-categories { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; gap: 20px; }
#packingChecklist .packing-category { min-width: 0; padding: 16px; border: 1px solid var(--line, #c8d3df); border-radius: 12px; background: var(--bg, #f3f6fa); }
#packingChecklist .packing-category h3 { margin-bottom: 12px; font-size: 18px; line-height: 1.3; }
#packingChecklist .packing-category > summary { min-height: 48px; cursor: pointer; }
#packingChecklist .packing-category > summary::marker { color: var(--accent); }
#packingChecklist .packing-category > summary h3 { display: inline; margin: 0; }
#packingChecklist .packing-category > summary .packing-progress { display: block; margin: 6px 0 0; padding: 0; border: 0; color: var(--muted); font-size: 14px; font-weight: 400; }
#packingChecklist .packing-category[open] > summary { margin-bottom: 12px; }
#packingChecklist .packing-category > summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; border-radius: 4px; }
#packingChecklist .packing-category:has(> ul:empty) { display: none; }
#packingChecklist ul { list-style: none; margin: 0; padding: 0; }
#packingChecklist .packing-row { padding-block: 10px; border-top: 1px solid var(--line, #c8d3df); min-width: 0; }
#packingChecklist .packing-item-label { margin: 0; }
#packingChecklist .packing-row[data-status="done"] .packing-item-label { text-decoration: line-through; color: var(--muted, #526275); }
#packingChecklist .packing-row[data-status="skipped"] .packing-item-label { color: var(--muted, #526275); }
#packingChecklist .packing-row-controls { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 10px; }
#packingChecklist button { font: inherit; color: var(--ink, #172538); background: var(--bg, #f3f6fa); border: 1px solid var(--line, #c8d3df); border-radius: 8px; padding: 8px 12px; min-height: 44px; max-width: 100%; white-space: normal; overflow-wrap: anywhere; cursor: pointer; }
#packingChecklist button:hover { border-color: var(--accent, #175d9c); }
#packingChecklist button[aria-pressed="true"] { border-color: var(--accent, #175d9c); }
#packingChecklist :is(button, input, a):focus-visible { outline: 3px solid var(--accent, #175d9c); outline-offset: 3px; }
#packingChecklist .packing-custom-form { display: flex; flex-wrap: wrap; align-items: start; gap: 8px; margin-block: 20px; }
#packingChecklist .packing-custom-form > label, #packingChecklist .packing-custom-form > p { flex-basis: 100%; margin: 0; }
#packingChecklist input[type="text"] { min-width: 0; width: 100%; flex: 1 1 180px; min-height: 44px; padding: 8px 10px; font: inherit; color: var(--ink, #172538); background: var(--bg, #f3f6fa); border: 1px solid var(--line, #c8d3df); border-radius: 8px; }
#packingChecklist input[aria-invalid="true"] { outline: 2px solid var(--accent, #175d9c); }
#packingChecklist .packing-error { font-weight: 600; }
#packingChecklist .packing-confirmation { margin-top: 12px; }
#packingChecklist .packing-confirmation button { margin: 4px 8px 0 0; }
@media (max-width: 620px) {
  #packingChecklist .packing-config, #packingChecklist .packing-categories { grid-template-columns: minmax(0, 1fr); }
}