.field { display: block; }
.field + .field { margin-top: var(--s-7); }
.field__label { display: block; font-size: 20px; line-height: 1.3; letter-spacing: -.01em; font-weight: 500; max-width: var(--measure); }
.field__help { margin-top: var(--s-2); font-size: 14px; color: var(--ink-2); max-width: var(--measure); }
.field__body { margin-top: var(--s-4); max-width: var(--measure); }
.field--wide .field__body { max-width: none; }
.field__foot { margin-top: var(--s-3); display: flex; gap: var(--s-4); align-items: center; font-size: 13px; color: var(--ink-2); }
/* A skipped field shows its text in the second ink and its option marks in the stronger line; nothing else changes. */
.field.is-skipped .field__body { color: var(--ink-2); }
.field.is-skipped .opt__mark { border-color: var(--line-2); }

.opts { display: flex; flex-direction: column; }
.opt {
  position: relative; display: flex; align-items: flex-start; gap: var(--s-3);
  min-height: 52px; padding: 15px var(--s-4); margin-top: -1px;
  border: 1px solid var(--line); background: var(--surface); cursor: pointer;
  transition: border-color var(--dur) var(--ease);
}
.opt:first-child { margin-top: 0; }
.opt:hover { border-color: var(--ink-3); z-index: 1; }
.opt__input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.opt__mark {
  flex: none; display: grid; place-items: center;
  width: 16px; height: 16px; margin-top: 3px;
  border: 1px solid var(--ink); background: var(--surface);
}
.opt__mark::after { content: ""; width: 8px; height: 8px; background: var(--accent); transform: scale(0); transition: transform var(--dur) var(--ease); }
.opt__input[type="radio"] + .opt__mark, .opt__input[type="radio"] + .opt__mark::after { border-radius: 50%; }
.opt__input:checked + .opt__mark::after { transform: scale(1); }
.opt:has(.opt__input:checked) { border-color: var(--ink); z-index: 2; }
.opt:has(.opt__input:focus-visible) { outline: 2px solid var(--accent); outline-offset: 2px; z-index: 3; }
.opt:has(.opt__input:disabled) { pointer-events: none; }
.opt:has(.opt__input:disabled) > .opt__mark, .opt:has(.opt__input:disabled) > .opt__text { opacity: .3; }
button.opt:disabled { pointer-events: none; }
button.opt:disabled > .opt__mark, button.opt:disabled > .opt__text { opacity: .3; }
.opt__text { font-size: 16px; line-height: 1.4; }
.opt--optout { margin-top: var(--s-3); background: transparent; }
.opt--optout + .opt--optout { margin-top: -1px; }
.opt--optout .opt__text { color: var(--ink-2); }
.opt__extra { margin: var(--s-3) 0 var(--s-4) 28px; }
/* A long list: one list within the measure, and from 1024 px two columns of equal width that overlap by a hairline,
   so that where they meet the line is single. */
.opts--cols { max-width: var(--measure); }
.opts__col { display: flex; flex-direction: column; }
.opts__col + .opts__col { margin-top: -1px; }
@media (min-width: 1024px) {
  .opts--cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; max-width: none; padding-right: 1px; }
  .opts--cols > * { margin-right: -1px; }
  .opts--cols > :not(.opts__col) { grid-column: 1 / -1; }
  .opts__col + .opts__col { margin-top: 0; }
}

.seg { display: flex; flex-wrap: wrap; }
.seg__item { position: relative; flex: 1 1 0; min-width: max-content; margin-left: -1px; }
.seg__item:first-child { margin-left: 0; }
.seg__item input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.seg__item span {
  position: relative; display: flex; align-items: center; justify-content: center;
  height: 44px; padding: 0 var(--s-4);
  border: 1px solid var(--line-2); background: var(--surface);
  font-size: 14px; white-space: nowrap; cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.seg__item:hover span { border-color: var(--ink); z-index: 1; }
.seg__item input:checked + span { background: var(--ink); border-color: var(--ink); color: var(--paper); z-index: 2; }
.seg__item input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; z-index: 3; }
.seg__item--optout span { color: var(--ink-2); }

.input, .textarea {
  display: block; width: 100%; height: var(--control); padding: 0 14px;
  border: 1px solid var(--ink-3); background: var(--surface);
  font-size: 16px; appearance: none;
  transition: border-color var(--dur) var(--ease);
}
.textarea { height: auto; min-height: 200px; padding: 14px; line-height: 1.5; resize: vertical; }
.input:hover, .textarea:hover { border-color: var(--ink-2); }
.input:focus, .textarea:focus { border-color: var(--ink); outline: 2px solid var(--accent); outline-offset: 2px; }
.input::placeholder, .textarea::placeholder { color: var(--placeholder); }
.input--num { width: 96px; text-align: right; font-variant-numeric: tabular-nums; }

.chips { display: flex; flex-wrap: wrap; gap: var(--s-2); }
.chip {
  position: relative; display: inline-flex; align-items: center; gap: var(--s-2);
  min-height: 36px; max-width: 100%; padding: 6px 14px;
  border: 1px solid var(--line-2); background: var(--surface);
  font-size: 14px; line-height: 1.3; text-align: left; overflow-wrap: anywhere; cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.chip input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.chip:hover { border-color: var(--ink); }
.chip:has(input:checked), .chip.is-on { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.chip:has(input:focus-visible) { outline: 2px solid var(--accent); outline-offset: 2px; }
.chip--optout { color: var(--ink-2); background: transparent; }
.chip__x { width: 20px; height: 20px; margin-right: -6px; padding: 0; border: 0; background: none; font-size: 16px; line-height: 1; color: inherit; opacity: .6; }
.chip__x:hover { opacity: 1; }

.split { border-top: 1px solid var(--line); }
.split__row { display: flex; align-items: center; justify-content: space-between; gap: var(--s-4); padding: var(--s-3) 0; border-bottom: 1px solid var(--line); }
.split__total { display: flex; justify-content: space-between; padding-top: var(--s-3); font-size: 14px; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.split__total.is-ok { color: var(--ink); }

.plain { border-top: 1px solid var(--line); }
.plain li { padding: var(--s-4) 0; border-bottom: 1px solid var(--line); font-size: 18px; line-height: 1.4; }
.card { background: var(--surface); border: 1px solid var(--line); padding: var(--s-5); }
.card + .card { margin-top: -1px; }
.card__head { display: flex; justify-content: space-between; align-items: baseline; gap: var(--s-4); padding-bottom: var(--s-4); margin-bottom: var(--s-5); border-bottom: 1px solid var(--line); }
.note { font-size: 14px; color: var(--ink-2); }
.error { font-size: 14px; color: var(--accent); }

.gridq { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--line); }
.gridq th, .gridq td { position: relative; border-bottom: 1px solid var(--line); padding: 12px 8px; text-align: center; vertical-align: middle; }
.gridq thead th { font-size: 11px; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-2); vertical-align: bottom; line-height: 1.3; padding-bottom: 10px; }
.gridq tbody th { width: 36%; padding-left: var(--s-4); text-align: left; font-weight: 400; font-size: 15px; line-height: 1.35; }
.gridq td > label { display: grid; place-items: center; min-height: 32px; cursor: pointer; }
.gridq td > label > input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.gridq td .opt__mark { margin: 0; }
.gridq td input:focus-visible + .opt__mark { outline: 2px solid var(--accent); outline-offset: 2px; }
.gridq tbody tr:hover > * { background: var(--hover); }
.gridq .col-optout { border-left: 1px solid var(--line); }
.gridq__sub > td { padding: 0 var(--s-4) var(--s-4); text-align: left; background: var(--hover); }
.gridq__sub .label { display: block; margin-bottom: var(--s-2); }

.rail { font-size: 14px; }
.rail__group + .rail__group { margin-top: var(--s-5); }
.rail__group > .label { display: block; margin-bottom: var(--s-2); }
.rail__item { display: flex; align-items: center; gap: var(--s-3); width: 100%; padding: 6px 0; border: 0; background: none; text-align: left; color: var(--ink-2); font-size: 14px; line-height: 1.35; }
.rail__mark { flex: none; width: 10px; height: 10px; border: 1px solid var(--ink-3); }
.rail__item.is-done { color: var(--ink); }
.rail__item.is-done .rail__mark { background: var(--ink); border-color: var(--ink); }
.rail__item.is-current { color: var(--ink); font-weight: 500; }
.rail__item.is-current .rail__mark { background: var(--accent); border-color: var(--accent); }
button.rail__item:hover { color: var(--ink); }
.bar { height: 2px; background: var(--line); }
.bar__fill { height: 100%; background: var(--ink); transition: width var(--dur) var(--ease); }

.ta { position: relative; }
.ta__list { position: absolute; z-index: 10; left: 0; right: 0; top: calc(100% - 1px); max-height: 280px; overflow: auto; border: 1px solid var(--ink); background: var(--surface); }
.ta__opt { padding: 10px 14px; font-size: 15px; cursor: pointer; }
.ta__opt:hover { background: var(--paper); }
.ta__opt[aria-selected="true"] { background: var(--ink); color: var(--paper); }
.ta .input:disabled { opacity: .3; pointer-events: none; }

@media (max-width: 640px) {
  .field__label { font-size: 18px; }
  .seg__item { flex: 1 1 50%; }
}