/* Transit Portal — Mobbin-informed Horizon redesign (2026) */

:root {
  --container-max: var(--page-max);
  --transit-panel-inline: var(--space-5);
}

.transit-body {
  min-width: 20rem;
  overflow-x: hidden;
  background: var(--background);
  color: var(--foreground);
  font-family: 'Noto Sans KR', var(--font-family);
}

.transit-product-header {
  --block-product-shell-max: var(--container-max);
  --block-product-shell-padding: var(--transit-panel-inline);
}

.transit-product-header .block-product-brand-label {
  font-family: 'Instrument Sans', var(--font-family);
  letter-spacing: -0.02em;
}

.transit-header-time {
  color: var(--foreground);
  font-size: var(--fs-xs);
  white-space: nowrap;
}

.transit-shell,
.transit-section {
  width: min(100%, var(--container-max));
  margin-inline: auto;
  padding-inline: var(--transit-panel-inline);
}

.transit-search-section {
  margin-top: 0;
  padding-block: var(--space-8);
  background: var(--background);
  border-bottom: 1px solid var(--border);
}

.transit-booking-wrap {
  margin-top: 0;
}

.transit-booking {
  display: grid;
  gap: var(--space-5);
  padding: var(--space-6);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--card);
}

.booking-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-6);
}

.booking-head h1,
.transit-section-head h2 {
  margin: 0;
  font-family: 'Instrument Sans', 'Noto Sans KR', var(--font-family);
  font-size: var(--fs-h1);
  line-height: var(--lh-h1);
  letter-spacing: -0.025em;
}

.rich-booking-tabs {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  background: var(--background);
}

.booking-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: var(--control-h-m);
  padding-inline: var(--control-px-m);
  border: 0;
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--foreground);
  font-size: var(--control-font-s);
  font-weight: 600;
  cursor: pointer;
}

.booking-tab:hover {
  color: var(--foreground);
}

.booking-tab[aria-pressed="true"],
.booking-tab.is-active {
  background: var(--primary);
  color: var(--primary-foreground);
}

.booking-options {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
}

.trip-type {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1);
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  background: var(--background);
}

.trip-type button {
  min-height: var(--control-h-s);
  padding-inline: var(--control-px-s);
  border: 0;
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--foreground);
  font-size: var(--control-font-s);
  font-weight: 600;
  cursor: pointer;
}

.trip-type button[aria-pressed="true"],
.trip-type button.is-active {
  background: var(--primary);
  color: var(--primary-foreground);
}

.toolbar-dropdown {
  min-width: 0;
}

.toolbar-toggle {
  gap: var(--space-2);
  white-space: nowrap;
}

.toolbar-chevron {
  font-size: var(--control-icon-s);
  transition: transform 160ms ease;
}

.toolbar-toggle[aria-expanded="true"] .toolbar-chevron {
  transform: rotate(180deg);
}

.rich-search-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--control-h-m) minmax(0, 1fr) minmax(11rem, 0.72fr) auto;
  align-items: end;
  gap: var(--space-2);
  min-width: 0;
}

.rich-input-group {
  display: grid;
  gap: var(--space-2);
  min-width: 0;
}

.rich-input-group label,
.input-label {
  color: var(--foreground);
  font-size: var(--fs-xs);
  font-weight: 600;
  line-height: var(--lh-xs);
}

.rich-input-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  min-width: 0;
  min-height: var(--control-h-l);
  padding-inline: var(--control-px-m);
  border: 1px solid var(--input);
  border-radius: var(--radius-md);
  background: var(--background);
  color: var(--foreground);
  text-align: left;
  transition: border-color 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.rich-input-wrapper:hover {
  border-color: var(--border-strong);
}

.rich-input-wrapper:focus-within,
.rich-input-wrapper:focus-visible {
  border-color: var(--ring);
  outline: 0;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--ring) 18%, transparent);
}

.rich-input-wrapper .hz-icon {
  flex: 0 0 auto;
  color: var(--primary);
  font-size: var(--control-icon-m);
}

.rich-input-wrapper input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--foreground);
  font: inherit;
  font-size: var(--control-font-m);
  font-weight: 500;
}

.rich-input-wrapper input::placeholder {
  color: var(--muted-foreground);
  font-weight: 400;
}

.date-toggle {
  cursor: pointer;
}

.date-toggle [data-date-value] {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.swap-slot {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-bottom: var(--space-1);
}

.swap-btn {
  width: var(--control-h-m);
  min-width: var(--control-h-m);
  padding: 0;
}

.btn-search {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-width: 8rem;
  white-space: nowrap;
}

.booking-foot {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(12rem, 0.48fr);
  align-items: start;
  gap: var(--space-4);
  min-width: 0;
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
}

.route-shortcuts {
  display: grid;
  gap: var(--space-2);
  min-width: 0;
}

.shortcut-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
}

.shortcut-row[hidden] {
  display: none;
}

.quick-label {
  flex: 0 0 auto;
  min-width: 4.5rem;
  color: var(--foreground);
  font-size: var(--fs-xs);
  font-weight: 600;
}

.quick-links {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: thin;
}

.quick-link {
  flex: 0 0 auto;
  min-height: var(--control-h-s);
  padding-inline: var(--control-px-s);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  background: var(--background);
  color: var(--foreground);
  font-size: var(--fs-xs);
  font-weight: 600;
  cursor: pointer;
}

.quick-link:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.recent-clear {
  flex: 0 0 auto;
  min-height: var(--control-h-s);
  padding-inline: var(--space-2);
  border: 0;
  background: transparent;
  color: var(--foreground);
  font-size: var(--fs-xs);
  font-weight: 600;
  cursor: pointer;
}

.recent-clear:hover {
  color: var(--foreground);
  text-decoration: underline;
}

.booking-status {
  min-width: 0;
  margin: var(--space-2) 0 0;
  color: var(--foreground);
  font-size: var(--fs-xs);
  line-height: var(--lh-xs);
  text-align: right;
}

.booking-status.is-error {
  color: var(--destructive);
}

.dropdown-panel {
  --transit-panel-left: var(--space-4);
  --transit-panel-top: var(--space-4);
  --transit-panel-width: 20rem;
  position: fixed;
  top: var(--transit-panel-top);
  left: var(--transit-panel-left);
  z-index: var(--z-popover);
  width: var(--transit-panel-width);
  max-width: calc(100vw - var(--space-8));
  max-height: min(32rem, calc(100dvh - var(--space-8)));
  overflow: auto;
  padding: var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--card);
  color: var(--card-foreground);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(calc(var(--space-1) * -1)) scale(0.98);
  pointer-events: none;
  visibility: hidden;
  transition: opacity 160ms ease, transform 160ms ease, visibility 0ms linear 160ms;
}

.dropdown-panel[aria-hidden="false"] {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
  visibility: visible;
  transition-delay: 0ms;
}

.panel-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-1) var(--space-1) var(--space-3);
  border-bottom: 1px solid var(--border);
}

.panel-heading strong {
  font-size: var(--fs-sm);
}

.panel-heading span {
  color: var(--muted-foreground);
  font-size: var(--fs-xs);
}

.passenger-panel {
  --transit-panel-width: 20rem;
}

.passenger-stack {
  display: grid;
}

.stepper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-1);
  border-bottom: 1px solid var(--border);
}

.stepper .label {
  display: grid;
  gap: var(--space-1);
}

.stepper .label strong {
  font-size: var(--fs-sm);
}

.stepper .label span {
  color: var(--muted-foreground);
  font-size: var(--fs-xs);
}

.stepper .controls {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.stepper .controls button {
  width: var(--control-h-s);
  height: var(--control-h-s);
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  background: var(--background);
  color: var(--foreground);
  font-size: var(--fs-body-lg);
  cursor: pointer;
}

.stepper .controls button:hover:not(:disabled) {
  border-color: var(--primary);
  color: var(--primary);
}

.stepper .controls button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.stepper .count {
  min-width: var(--space-6);
  font-size: var(--fs-sm);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  text-align: center;
  white-space: nowrap;
}

.passenger-summary {
  margin: var(--space-3) var(--space-1) var(--space-1);
  color: var(--muted-foreground);
  font-size: var(--fs-xs);
}

.seat-panel {
  --transit-panel-width: 15rem;
}

.seat-list {
  display: grid;
  gap: var(--space-1);
}

.seat-option,
.suggest-item {
  width: 100%;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--foreground);
  cursor: pointer;
}

.seat-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  min-height: var(--control-h-m);
  padding-inline: var(--control-px-s);
  text-align: left;
}

.seat-option:hover {
  border-color: var(--border);
  background: var(--muted);
}
.suggest-item:hover {
  border-color: var(--border);
}

.seat-option[aria-pressed="true"],
.seat-option.is-active {
  background: color-mix(in srgb, var(--primary) 10%, var(--background));
  color: var(--primary);
  font-weight: 600;
}

.seat-option .check {
  opacity: 0;
}

.seat-option[aria-pressed="true"] .check,
.seat-option.is-active .check {
  opacity: 1;
}

.suggest-panel {
  --transit-panel-width: 20rem;
}

.suggest-list {
  display: grid;
  gap: var(--space-1);
}

.suggest-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  text-align: left;
}

.suggest-item .meta {
  display: grid;
  min-width: 0;
}

.suggest-item .label {
  overflow: hidden;
  font-size: var(--fs-sm);
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.suggest-item .hint,
.suggest-code,
.suggest-empty {
  color: var(--muted-foreground);
  font-size: var(--fs-xs);
}

.suggest-empty {
  margin: 0;
  padding: var(--space-3);
}

.date-panel {
  --transit-panel-width: 42rem;
}

.date-range-calendar {
  display: grid;
  gap: var(--space-4);
}

.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-1) var(--space-1) var(--space-3);
  border-bottom: 1px solid var(--border);
}

.calendar-header > div:first-child {
  display: grid;
  gap: var(--space-1);
}

.calendar-header strong {
  font-size: var(--fs-sm);
}

.calendar-header span {
  color: var(--muted-foreground);
  font-size: var(--fs-xs);
}

.calendar-nav {
  display: flex;
  gap: var(--space-1);
}

.calendar-nav button {
  width: var(--control-h-s);
  height: var(--control-h-s);
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  background: var(--background);
  color: var(--foreground);
  cursor: pointer;
}

.calendar-months {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
}

.calendar-month-title {
  margin-bottom: var(--space-3);
  font-size: var(--fs-sm);
  font-weight: 700;
  text-align: center;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: var(--space-1);
}

.calendar-weekdays {
  margin-bottom: var(--space-2);
  color: var(--muted-foreground);
  font-size: var(--fs-2xs);
  text-align: center;
}

.date-cell {
  aspect-ratio: 1;
  border: 0;
  border-radius: var(--radius);
  background: transparent;
  color: var(--foreground);
  font-size: var(--fs-xs);
  cursor: pointer;
}

.date-cell:hover {
  background: var(--muted);
}

.date-cell.is-in-range {
  background: color-mix(in srgb, var(--primary) 10%, var(--background));
  border-radius: var(--radius-sm);
}

.date-cell.is-selected {
  background: var(--primary);
  color: var(--primary-foreground);
  font-weight: 700;
}

.date-cell.is-today:not(.is-selected) {
  box-shadow: inset 0 0 0 1px var(--primary);
  color: var(--primary);
  font-weight: 700;
}

.transit-section {
  padding-block: var(--space-10);
}

.transit-section + .transit-section {
  border-top: 1px solid var(--border);
}

.transit-section-head {
  margin-bottom: var(--space-5);
}

.airport-directory {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.airport-row {
  display: grid;
  grid-template-columns: 4rem minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-4);
  min-width: 0;
  padding: var(--space-5);
  color: var(--foreground);
}

.airport-row:nth-child(odd) {
  border-right: 1px solid var(--border);
}

.airport-row:nth-child(n + 3) {
  border-top: 1px solid var(--border);
}

.airport-code {
  color: var(--primary);
  font-family: 'Instrument Sans', var(--font-family);
  font-size: var(--fs-h3);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.airport-row > span:nth-child(2) {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  min-width: 0;
}

.airport-row strong {
  font-size: var(--fs-body-lg);
}

.airport-row small {
  color: var(--foreground);
  font-size: var(--fs-xs);
}

.airport-row > .hz-icon {
  color: var(--foreground);
  transition: color 160ms ease, transform 160ms ease;
}

.airport-row:hover > .hz-icon {
  color: var(--primary);
  transform: translateX(var(--space-1));
}

.transit-footer {
  border-top: 1px solid var(--border);
  background: var(--background);
}

.footer-compact {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-6);
  padding-block: var(--space-6);
  color: var(--foreground);
  font-size: var(--fs-xs);
}

.footer-logo img {
  display: block;
  width: auto;
  height: var(--space-5);
}

.footer-legal {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  min-width: 0;
}

.footer-legal a {
  color: var(--foreground);
}

.footer-compact > span {
  white-space: nowrap;
}

.transit-overlay-root {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  pointer-events: none;
}

.transit-overlay-scrim {
  position: absolute;
  inset: 0;
  display: none;
  width: 100%;
  height: 100%;
  border: 0;
  background: color-mix(in srgb, var(--foreground) 34%, transparent);
  cursor: default;
}

.transit-overlay-root.is-sheet-open {
  pointer-events: auto;
}

.transit-overlay-root.is-sheet-open .transit-overlay-scrim {
  display: block;
}

body.transit-sheet-open {
  overflow: hidden;
}

@media (max-width: 1024px) {
  .booking-head {
    align-items: start;
    flex-direction: column;
  }

  .rich-search-grid {
    grid-template-columns: minmax(0, 1fr) var(--control-h-m) minmax(0, 1fr);
  }

  .date-group {
    grid-column: 1 / span 2;
  }

  .btn-search {
    grid-column: 3;
  }

  .booking-foot {
    grid-template-columns: minmax(0, 1fr);
  }

  .booking-status {
    margin: 0;
    text-align: left;
  }
}

@media (max-width: 760px) {
  :root {
    --transit-panel-inline: var(--space-4);
  }

  .footer-compact {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .footer-legal {
    justify-content: flex-end;
  }

  .footer-compact > span {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .transit-booking {
    gap: var(--space-4);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
  }

  .booking-head h1,
  .transit-section-head h2 {
    font-size: var(--fs-h2);
  }

  .rich-booking-tabs {
    width: 100%;
    overflow-x: auto;
    border-radius: var(--radius-lg);
  }

  .booking-tab {
    flex: 1 0 auto;
    min-width: 6rem;
    padding-inline: var(--control-px-s);
  }

  .booking-options {
    flex-wrap: wrap;
  }

  .trip-type {
    width: 100%;
  }

  .trip-type button {
    flex: 1;
  }

  .rich-search-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .swap-slot,
  .date-group,
  .btn-search {
    grid-column: 1;
  }

  .swap-slot {
    justify-content: flex-end;
    padding: 0;
  }

  .swap-btn .hz-icon {
    transform: rotate(90deg);
  }

  .btn-search {
    width: 100%;
  }

  .booking-foot {
    grid-template-columns: minmax(0, 1fr);
  }

  .shortcut-row {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .quick-links {
    width: 100%;
    padding-bottom: var(--space-1);
  }

  .recent-clear {
    margin-left: auto;
  }

  .booking-status {
    width: 100%;
    margin: 0;
    text-align: left;
  }

  .dropdown-panel.is-transit-sheet {
    top: auto;
    right: var(--space-4);
    bottom: var(--space-4);
    left: var(--space-4);
    z-index: var(--z-popover);
    width: auto;
    max-width: none;
    max-height: calc(100dvh - 8rem);
    border-radius: var(--radius-xl);
    transform: translateY(var(--space-4));
  }

  .dropdown-panel.is-transit-sheet[aria-hidden="false"] {
    transform: translateY(0);
  }

  .calendar-months {
    grid-template-columns: minmax(0, 1fr);
  }

  .calendar-month:last-child {
    display: none;
  }

  .transit-section {
    padding-block: var(--space-8);
  }

  .airport-directory {
    grid-template-columns: minmax(0, 1fr);
  }

  .airport-row {
    grid-template-columns: 3.5rem minmax(0, 1fr) auto;
    padding-inline: 0;
  }

  .airport-row:nth-child(odd) {
    border-right: 0;
  }

  .airport-row + .airport-row {
    border-top: 1px solid var(--border);
  }

  .airport-row > span:nth-child(2) {
    align-items: flex-start;
    flex-direction: column;
    gap: 0;
  }

  .footer-compact {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
  }

  .footer-legal {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .footer-compact > span {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .toolbar-chevron,
  .dropdown-panel,
  .airport-row > .hz-icon {
    transition: none;
  }
}