/* Apartment unit selection. Scoped to step 02; other journeys retain their styles. */
.unit-selection-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.9fr) minmax(285px, 1fr);
  gap: 24px;
  align-items: start;
  color: #192f57;
}
.unit-selection-main { min-width: 0; }
.unit-complex-card {
  display: grid;
  grid-template-columns: minmax(165px, .85fr) minmax(0, 1.3fr);
  gap: 22px;
  padding: 15px;
  border: 1px solid #deebfc;
  border-radius: 12px;
  background: #fff;
  align-items: center;
  margin-bottom: 17px;
}
.unit-complex-card > img {
  display: block;
  width: 100%;
  height: 143px;
  object-fit: cover;
  border-radius: 8px;
}
.unit-complex-card > div { min-width: 0; }
.unit-complex-card h3 {
  font-size: 21px;
  line-height: 1.4;
  letter-spacing: -.045em;
  color: #172c52;
  font-weight: 700;
  margin: 0 0 7px;
}
.unit-complex-card p {
  font-size: 14px;
  color: #526174;
  line-height: 1.75;
  margin: 0;
}
.unit-complex-facts { display: flex; flex-wrap: wrap; gap: 12px 0; margin-top: 20px; }
.unit-complex-facts > span {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 0 13px;
  border-right: 1px solid #e0eafa;
  min-width: 0;
}
.unit-complex-facts > span:first-child { padding-left: 0; }
.unit-complex-facts > span:last-child { padding-right: 0; border-right: 0; }
.unit-complex-facts strong { font-size: 14px; color: #284975; font-weight: 650; line-height: 1.4; }
.unit-complex-facts small { font-size: 14px; color: #526174; line-height: 1.4; }
.unit-detail-workspace { display: grid; grid-template-columns: 140px minmax(0, 1fr); gap: 13px; align-items: stretch; }
.unit-stage-rail {
  padding: 12px 8px;
  border: 1px solid #e1ecfc;
  border-radius: 11px;
  background: linear-gradient(110deg, #f3f9ff, #f8fbff);
}
.unit-stage-rail > div { padding: 17px 10px; border-radius: 10px; margin-bottom: 10px; }
.unit-stage-rail > div:last-child { margin-bottom: 0; }
.unit-stage-rail > div.active { background: #e1efff; }
.unit-stage-rail strong { display: block; font-size: 14px; color: #456799; line-height: 1.7; font-weight: 650; }
.unit-stage-rail p { font-size: 14px; line-height: 1.8; color: #526174; margin: 4px 0 0; overflow-wrap: anywhere; }
.unit-stage-rail .active strong { color: #0874ff; font-weight: 750; }
.unit-stage-rail .active p { color: #526174; }
.unit-stage-rail > div > span {
  display: inline-grid;
  place-items: center;
  width: 27px;
  height: 27px;
  border-radius: 50%;
  background: #e4edf9;
  color: #526174;
  font-size: 14px;
  font-weight: 650;
  margin-bottom: 8px;
}
.unit-stage-rail > div.active > span { background: #0874ff; color: #fff; }
.unit-stage-rail > div.complete > span { background: #d7eaff; color: #0874ff; }
.unit-selector-content { min-width: 0; }
.unit-type-section,
.unit-choice-section { padding: 17px 14px; border: 1px solid #e0ebfc; border-radius: 10px; background: #fff; min-width: 0; }
.unit-type-section { margin-bottom: 10px; }
.unit-section-heading {
  display: grid;
  grid-template-columns: 29px minmax(0, 1fr);
  gap: 0 9px;
  align-items: start;
  margin-bottom: 15px;
}
.unit-section-heading > span {
  display: grid;
  place-items: center;
  grid-column: 1;
  grid-row: 1 / span 2;
  width: 29px;
  height: 29px;
  border-radius: 50%;
  background: #dfedff;
  color: #0874ff;
  font-size: 16px;
  font-weight: 650;
}
.unit-section-heading h3 { grid-column: 2; margin: 1px 0 0; font-size: 14px; line-height: 1.55; letter-spacing: -.025em; color: #233f6b; font-weight: 700; }
.unit-section-heading p { grid-column: 2; margin: 4px 0 0; color: #526174; font-size: 14px; line-height: 1.8; }
.unit-type-buttons { display: flex; flex-wrap: wrap; gap: 7px; }
.unit-type-buttons > button { flex: 1 1 93px; }
.unit-selector-columns { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 9px; align-items: stretch; }
.unit-building-grid,
.unit-line-grid,
.unit-unit-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; align-content: start; }
.unit-type-buttons > button,
.unit-building-grid > button,
.unit-line-grid > button,
.unit-unit-grid > button {
  min-width: 0;
  min-height: 36px;
  padding: 9px 7px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 5px;
  border: 1px solid #dce8fb;
  background: #fff;
  color: #354e77;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  cursor: pointer;
  transition: background .15s, border-color .15s;
}
.unit-type-buttons > button:hover,
.unit-building-grid > button:hover,
.unit-line-grid > button:hover,
.unit-unit-grid > button:hover { background: #edf5ff; border-color: #8ebaff; }
.unit-type-buttons > button.selected,
.unit-building-grid > button.selected,
.unit-line-grid > button.selected,
.unit-unit-grid > button.selected { border-color: #0874ff; background: #0874ff; color: #fff; box-shadow: 0 3px 9px #0874ff0d; }
.unit-type-buttons > button:focus-visible,
.unit-building-grid > button:focus-visible,
.unit-line-grid > button:focus-visible,
.unit-unit-grid > button:focus-visible { outline: 3px solid #9bc4ff; outline-offset: 2px; }
.unit-selection-layout button:disabled { opacity: .45; cursor: not-allowed; }
.unit-selection-layout button .icon { width: 13px; height: 13px; }
.unit-choice-summary { position: sticky; top: 24px; min-width: 0; }
.unit-summary-note { padding: 22px; border-radius: 12px; background: linear-gradient(115deg, #e9f4ff, #e4f0ff); margin-bottom: 16px; }
.unit-summary-note h3 { font-size: 14px; color: #0874ff; line-height: 1.5; margin: 0 0 11px; font-weight: 700; }
.unit-summary-note p { color: #526174; font-size: 14px; line-height: 1.8; margin: 0; word-break: keep-all; }
.unit-summary-card { border: 1px solid #dfebfc; border-radius: 12px; background: linear-gradient(115deg, #f0f7ff, #eef6ff); padding: 22px 19px; }
.unit-summary-card h3 { font-size: 19px; color: #1d3967; font-weight: 700; margin: 0 0 17px; line-height: 1.4; letter-spacing: -.04em; }
.unit-summary-plan { min-height: 175px; padding: 10px; display: flex; align-items: center; justify-content: center; background: #fff; border-radius: 9px; margin-bottom: 13px; overflow: hidden; }
.unit-summary-plan > img { display: block; width: 100%; max-height: 180px; object-fit: contain; }
.unit-summary-plan .floorplan-image-view { width: 100%; max-width: 246px; flex: 0 1 246px; margin: 0 auto; }
.unit-summary-plan .plan-north { display: none; }
.unit-summary-plan .image-room-label { font-size: 14px; padding: 2px; }
.unit-summary-plan .image-room-label strong { font-size: 14px; }
.unit-summary-plan .image-room-label small { font-size: 14px; }
.unit-summary-plan .image-room-check { width: 15px; height: 15px; font-size: 14px; margin-bottom: 2px; }
.unit-summary-card dl { margin: 0; }
.unit-summary-card dl > div { display: grid; grid-template-columns: 91px minmax(0, 1fr); gap: 12px; padding: 11px 0; border-bottom: 1px solid #dce8fa; align-items: start; line-height: 1.6; }
.unit-summary-card dl > div:last-child { border-bottom: 0; }
.unit-summary-card dt { font-size: 14px; color: #526174; }
.unit-summary-card dd { font-size: 14px; font-weight: 650; color: #284975; margin: 0; overflow-wrap: anywhere; }
.unit-summary-card .button.primary { display: flex; width: 100%; min-height: 46px; background: #0874ff; border: 1px solid #0874ff; color: #fff; border-radius: 24px; padding: 12px 15px; margin-top: 18px; font-size: 14px; gap: 14px; }
.unit-summary-card .button.primary:hover { background: #0065e5; border-color: #0065e5; }
.unit-summary-card > p { text-align: center; font-size: 14px; color: #526174; line-height: 1.8; margin: 14px 0 0; }
.unit-mapping-notice { grid-column: 1 / -1; display: flex; align-items: center; gap: 13px; padding: 16px 18px; border: 1px solid #deebfc; border-radius: 10px; background: #f6faff; margin-top: 1px; }
.unit-mapping-notice > .icon { width: 32px; height: 32px; padding: 6px; border-radius: 50%; color: #0874ff; background: #e2f0ff; flex-shrink: 0; }
.unit-mapping-notice strong { display: block; font-size: 14px; font-weight: 650; color: #2c548b; line-height: 1.6; }
.unit-mapping-notice p { font-size: 14px; color: #526174; line-height: 1.7; margin: 4px 0 0; }
.unit-mapping-notice > a,
.unit-mapping-notice > button { margin-left: auto; color: #0874ff; font-size: 14px; background: none; border: 0; white-space: nowrap; padding: 7px; display: inline-flex; align-items: center; gap: 7px; }
@media (max-width: 1180px) {
  .unit-selection-layout { grid-template-columns: minmax(0, 1.9fr) minmax(260px, 1fr); gap: 18px; }
  .unit-detail-workspace { grid-template-columns: 109px minmax(0, 1fr); gap: 10px; }
  .unit-stage-rail { padding: 8px 5px; }
  .unit-stage-rail > div { padding: 15px 8px; }
  .unit-stage-rail strong { font-size: 14px; }
  .unit-stage-rail p { font-size: 14px; }
  .unit-complex-card { grid-template-columns: minmax(130px, .75fr) minmax(0, 1.2fr); gap: 15px; }
  .unit-complex-card > img { height: 132px; }
  .unit-complex-card h3 { font-size: 18px; }
  .unit-complex-facts { margin-top: 15px; }
  .unit-complex-facts > span { padding: 0 9px; }
  .unit-complex-facts strong { font-size: 14px; }
  .unit-complex-facts small { font-size: 14px; }
  .unit-choice-section { padding: 15px 10px; }
  .unit-section-heading { grid-template-columns: 25px minmax(0, 1fr); gap: 0 7px; }
  .unit-section-heading > span { width: 25px; height: 25px; font-size: 14px; }
  .unit-section-heading h3 { font-size: 14px; }
  .unit-section-heading p { font-size: 14px; }
  .unit-summary-note { padding: 20px 18px; }
  .unit-summary-card { padding: 21px 17px; }
}
@media (max-width: 950px) {
  .unit-selection-layout { grid-template-columns: 1fr; gap: 18px; }
  .unit-detail-workspace { grid-template-columns: 128px minmax(0, 1fr); }
  .unit-stage-rail strong { font-size: 14px; }
  .unit-stage-rail p { font-size: 14px; }
  .unit-section-heading h3 { font-size: 14px; }
  .unit-section-heading p { font-size: 14px; }
  .unit-type-buttons > button,
  .unit-building-grid > button,
  .unit-line-grid > button,
  .unit-unit-grid > button { min-height: 41px; font-size: 14px; }
  .unit-choice-summary { position: static; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; align-items: start; }
  .unit-summary-note { margin: 0; }
  .unit-summary-card { padding: 22px; }
  .unit-mapping-notice { margin-top: 0; }
}
@media (max-width: 620px) {
  .unit-complex-card { grid-template-columns: 104px minmax(0, 1fr); padding: 12px; gap: 13px; margin-bottom: 14px; }
  .unit-complex-card > img { height: 121px; }
  .unit-complex-card h3 { font-size: 17px; }
  .unit-complex-card p { font-size: 14px; }
  .unit-complex-facts { gap: 9px 0; margin-top: 12px; }
  .unit-complex-facts > span { padding: 0 8px; }
  .unit-complex-facts strong { font-size: 14px; }
  .unit-complex-facts small { font-size: 14px; }
  .unit-detail-workspace { grid-template-columns: 1fr; gap: 12px; }
  .unit-stage-rail { display: flex; gap: 4px; overflow-x: auto; padding: 7px; scrollbar-width: thin; }
  .unit-stage-rail > div { flex: 1 0 95px; padding: 10px 8px; margin: 0; text-align: center; }
  .unit-stage-rail strong { font-size: 14px; }
  .unit-stage-rail p { display: none; }
  .unit-stage-rail > div > span { width: 23px; height: 23px; font-size: 14px; margin-bottom: 5px; }
  .unit-selector-columns { grid-template-columns: 1fr; gap: 11px; }
  .unit-type-section,
  .unit-choice-section { padding: 17px 15px; }
  .unit-section-heading { grid-template-columns: 29px minmax(0, 1fr); gap: 0 10px; margin-bottom: 14px; }
  .unit-section-heading > span { width: 29px; height: 29px; font-size: 16px; }
  .unit-section-heading h3 { font-size: 14px; }
  .unit-section-heading p { font-size: 14px; line-height: 1.7; }
  .unit-building-grid,
  .unit-line-grid,
  .unit-unit-grid { display: flex; flex-wrap: wrap; gap: 8px; }
  .unit-building-grid > button,
  .unit-line-grid > button,
  .unit-unit-grid > button { flex: 1 0 68px; max-width: calc(25% - 6px); min-height: 43px; font-size: 14px; }
  .unit-type-buttons > button { min-height: 44px; font-size: 14px; flex-basis: 95px; }
  .unit-choice-summary { grid-template-columns: 1fr; gap: 14px; }
  .unit-summary-note { padding: 19px; }
  .unit-summary-note h3 { font-size: 14px; }
  .unit-summary-note p { font-size: 14px; }
  .unit-summary-plan { min-height: 174px; }
  .unit-summary-card h3 { font-size: 19px; }
  .unit-summary-card dt { font-size: 14px; }
  .unit-summary-card dd { font-size: 14px; }
  .unit-summary-card .button.primary { min-height: 47px; font-size: 14px; }
  .unit-summary-card > p { font-size: 14px; }
  .unit-mapping-notice { padding: 15px; gap: 10px; align-items: start; }
  .unit-mapping-notice strong { font-size: 14px; }
  .unit-mapping-notice p { font-size: 14px; }
  .unit-mapping-notice > a,
  .unit-mapping-notice > button { display: none; }
}
@media (max-width: 390px) {
  .unit-complex-card { grid-template-columns: 83px minmax(0, 1fr); gap: 10px; }
  .unit-complex-card > img { height: 112px; }
  .unit-complex-card h3 { font-size: 15px; }
  .unit-complex-facts > span { padding: 0 6px; }
  .unit-complex-facts strong { font-size: 14px; }
  .unit-building-grid > button,
  .unit-line-grid > button,
  .unit-unit-grid > button { max-width: calc(33.333% - 6px); min-width: 63px; }
}
@media (prefers-reduced-motion: reduce) {
  .unit-selection-layout button { transition: none; }
}

/* Step 02 readability: every supporting label remains at least 14px. */
.unit-selection-layout { font-size: 16px; line-height: 1.75; }
.unit-selection-layout p { color: #526174; font-size: 15px; line-height: 1.8; }
.unit-complex-card h3 { font-size: 23px; line-height: 1.5; overflow-wrap: anywhere; }
.unit-complex-card p { font-size: 15px; color: #526174; }
.unit-complex-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 15px 18px; }
.unit-complex-facts > span { padding: 0; border: 0; min-width: 0; gap: 5px; }
.unit-complex-facts strong { font-size: 16px; color: #243b56; line-height: 1.5; }
.unit-complex-facts small { font-size: 14px; color: #526174; line-height: 1.65; overflow-wrap: anywhere; }
.unit-stage-rail strong { font-size: 15px; color: #334a66; line-height: 1.6; overflow-wrap: anywhere; }
.unit-stage-rail p, .unit-stage-rail .active p { font-size: 14px; color: #526174; line-height: 1.8; }
.unit-stage-rail > div > span { font-size: 14px; color: #526174; width: 29px; height: 29px; }
.unit-stage-rail .active strong { color: #065cbf; }
.unit-section-heading h3 { font-size: 17px; line-height: 1.55; color: #223a57; }
.unit-section-heading p { font-size: 14px; color: #526174; line-height: 1.8; overflow-wrap: anywhere; }
.unit-type-buttons > button, .unit-building-grid > button, .unit-line-grid > button, .unit-unit-grid > button { font-size: 16px; color: #33465d; min-height: 47px; padding: 11px 8px; line-height: 1.5; white-space: normal; overflow-wrap: anywhere; }
.unit-type-buttons > button { flex-basis: 140px; }
.unit-type-buttons > button.selected, .unit-building-grid > button.selected, .unit-line-grid > button.selected, .unit-unit-grid > button.selected { color: #fff; background: #0866d8; border-color: #0866d8; }
.unit-line-grid > button { flex-direction: column; gap: 2px; }
.unit-line-grid > button small { font-size: 14px; line-height: 1.5; }
.unit-selection-layout .unit-line-note { font-size: 14px; color: #526174; line-height: 1.8; overflow-wrap: anywhere; }
.unit-summary-note h3 { font-size: 18px; color: #0866d8; }
.unit-summary-note p { font-size: 15px; color: #526174; line-height: 1.85; }
.unit-summary-card h3 { font-size: 22px; line-height: 1.5; color: #233951; }
.unit-summary-card dt { font-size: 14px; color: #526174; line-height: 1.75; }
.unit-summary-card dd { font-size: 15px; color: #2c4059; line-height: 1.75; font-weight: 600; }
.unit-summary-card dl > div { grid-template-columns: 88px minmax(0, 1fr); gap: 12px; }
.unit-summary-card > small, .unit-summary-card > p { display: block; font-size: 14px; color: #526174; line-height: 1.85; margin-top: 15px; }
.unit-summary-card .button.primary { font-size: 16px; min-height: 49px; background: #0866d8; border-color: #0866d8; }
.unit-mapping-notice { display: block; }
.unit-mapping-notice strong { font-size: 16px; color: #29486e; line-height: 1.75; }
.unit-mapping-notice p { font-size: 15px; color: #526174; line-height: 1.8; margin-top: 8px; }
@media (max-width: 1180px) {
 .unit-selector-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); }
 .unit-selector-columns > .unit-choice-section:last-child { grid-column: 1 / -1; }
 .unit-selector-columns > .unit-choice-section:last-child .unit-unit-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
 .unit-detail-workspace { grid-template-columns: 120px minmax(0, 1fr); }
 .unit-complex-card h3 { font-size: 21px; }
 .unit-stage-rail strong { font-size: 15px; }
}
@media (max-width: 950px) {
 .unit-selector-columns { grid-template-columns: repeat(3, minmax(0, 1fr)); }
 .unit-selector-columns > .unit-choice-section:last-child { grid-column: auto; }
 .unit-selector-columns > .unit-choice-section:last-child .unit-unit-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
 .unit-detail-workspace { grid-template-columns: 132px minmax(0, 1fr); }
}
@media (max-width: 620px) {
 .unit-complex-card { grid-template-columns: 1fr; padding: 17px; gap: 16px; }
 .unit-complex-card > img { height: 145px; width: 100%; }
 .unit-complex-card h3 { font-size: 21px; }
 .unit-complex-card p { font-size: 15px; }
 .unit-complex-facts { gap: 13px 15px; margin-top: 17px; }
 .unit-complex-facts > span { padding: 0; }
 .unit-complex-facts strong { font-size: 16px; }
 .unit-complex-facts small { font-size: 14px; }
 .unit-detail-workspace { grid-template-columns: 1fr; }
 .unit-stage-rail > div { flex: 1 0 115px; min-width: 0; padding: 12px 9px; }
 .unit-stage-rail strong { font-size: 14px; }
 .unit-stage-rail > div > span { width: 29px; height: 29px; font-size: 14px; }
 .unit-selector-columns { grid-template-columns: 1fr; }
 .unit-selector-columns > .unit-choice-section:last-child { grid-column: auto; }
 .unit-type-section, .unit-choice-section { padding: 19px 16px; }
 .unit-section-heading h3 { font-size: 17px; }
 .unit-section-heading p { font-size: 14px; }
 .unit-building-grid, .unit-line-grid, .unit-unit-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
 .unit-selector-columns > .unit-choice-section:last-child .unit-unit-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
 .unit-building-grid > button, .unit-line-grid > button, .unit-unit-grid > button { min-width: 0; max-width: none; flex: initial; font-size: 15px; min-height: 46px; padding: 11px 7px; }
 .unit-type-buttons > button { font-size: 15px; flex: 1 1 130px; min-height: 47px; }
 .unit-summary-note h3 { font-size: 18px; }
 .unit-summary-note p { font-size: 15px; }
 .unit-summary-card h3 { font-size: 22px; }
 .unit-summary-card dt { font-size: 14px; }
 .unit-summary-card dd { font-size: 15px; }
 .unit-summary-card .button.primary { font-size: 16px; min-height: 49px; }
 .unit-summary-card > small, .unit-summary-card > p { font-size: 14px; }
 .unit-mapping-notice strong { font-size: 16px; }
 .unit-mapping-notice p { font-size: 15px; }
}
@media (max-width: 390px) {
 .unit-complex-card { grid-template-columns: 1fr; gap: 15px; }
 .unit-complex-card h3 { font-size: 20px; }
 .unit-complex-facts strong { font-size: 16px; }
 .unit-building-grid > button, .unit-line-grid > button, .unit-unit-grid > button { min-width: 0; max-width: none; font-size: 15px; }
}