/* ── Buttons ── */
.btn-primary {
  display: block;
  width: 100%;
  padding: 14px 24px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s, opacity 0.2s;
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-back {
  background: none;
  border: 1px solid var(--color-border);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: background 0.2s;
}

.btn-back:hover {
  background: var(--color-bg-subtle);
}

.btn-small {
  padding: 8px 16px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}

/* ── Stepper (+/- control) ── */
.stepper {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.stepper-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  font-size: 1.1rem;
  cursor: pointer;
  color: var(--color-text);
  transition: background 0.15s;
  font-weight: 600;
}

.stepper-btn:hover {
  background: var(--color-border);
}

.stepper-value {
  min-width: 32px;
  text-align: center;
  font-weight: 600;
  font-size: 0.95rem;
  user-select: none;
}

/* ── Chips ── */
.chip-container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--color-primary-bg);
  color: var(--color-primary);
  border: 1px solid var(--color-primary-light);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
}

.chip-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  border: none;
  font-size: 0.7rem;
  cursor: pointer;
  line-height: 1;
  padding: 0;
}

.chip-remove:hover {
  background: var(--color-primary-dark);
}

/* ── Autocomplete dropdown ── */
.input-wrapper {
  position: relative;
}

.autocomplete-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  z-index: 100;
  max-height: 240px;
  overflow-y: auto;
  display: none;
}

.autocomplete-dropdown.show {
  display: block;
}

.autocomplete-item {
  padding: 10px 14px;
  cursor: pointer;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--color-bg-subtle);
  transition: background 0.1s;
}

.autocomplete-item:hover {
  background: var(--color-primary-bg);
}

.autocomplete-item:last-child {
  border-bottom: none;
}

.autocomplete-item-main {
  font-weight: 500;
  color: var(--color-text);
}

.autocomplete-item-sub {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  margin-top: 2px;
}

/* ── Pills (hotel type selector) ── */
.pill-group {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.pill {
  padding: 6px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-bg);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.15s;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.pill:hover {
  border-color: var(--color-primary-light);
  color: var(--color-primary);
}

.pill.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* ── Timeline connector ── */
.timeline-connector {
  width: 2px;
  height: 24px;
  background: var(--color-border);
  margin: 0 auto;
  position: relative;
}

.timeline-connector::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 50%;
  transform: translateX(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-border);
}

/* ── Loading overlay ── */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.loading-content {
  text-align: center;
  max-width: 320px;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto var(--space-lg);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-steps {
  text-align: left;
}

.loading-step {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  transition: color 0.3s;
}

.loading-step.active {
  color: var(--color-primary);
  font-weight: 500;
}

.loading-step.done {
  color: var(--color-savings);
}

.loading-step-icon {
  width: 20px;
  text-align: center;
  font-size: 0.85rem;
}

/* ── Card base ── */
.timeline-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow 0.2s;
}

.timeline-card:hover {
  box-shadow: var(--shadow-sm);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  user-select: none;
}

.card-icon {
  font-size: 1.3rem;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-bg-subtle);
  flex-shrink: 0;
}

.card-title {
  flex: 1;
  min-width: 0;
}

.card-title h4 {
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.3;
}

.card-subtitle {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
}

.card-schedule {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: 2px;
}

.card-cost {
  text-align: right;
  font-weight: 700;
  color: var(--color-primary);
  font-size: 0.9rem;
  white-space: nowrap;
}

.expand-arrow {
  font-size: 0.7rem;
  color: var(--color-text-light);
  transition: transform 0.2s;
}

.card-header.expanded .expand-arrow {
  transform: rotate(180deg);
}

.card-body {
  padding: 0 16px 16px;
  display: none;
  border-top: 1px solid var(--color-bg-subtle);
}

.card-body.expanded {
  display: block;
  padding-top: 14px;
}

.card-detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  font-size: 0.85rem;
}

.card-detail-label {
  color: var(--color-text-secondary);
}

.card-detail-value {
  font-weight: 500;
}

/* ── Transfer option details ── */
.transfer-option {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  font-size: 0.85rem;
}

.transfer-option .cost {
  font-weight: 600;
  color: var(--color-primary);
}

.transfer-duration {
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-left: auto;
}

.fare-badge {
  font-size: 0.65rem;
  padding: 1px 6px;
  border-radius: var(--radius-full);
  font-weight: 600;
  vertical-align: middle;
}

.fare-badge.live {
  background: #e8f5e9;
  color: #2e7d32;
}

.fare-badge.est {
  background: var(--color-bg-subtle);
  color: var(--color-text-light);
}

/* ── Mode overview tabs (deprecated, kept for compat) ── */
.mode-tabs { display: none; }

/* ── Transfer mode sections (selectable) ── */
.transfer-mode-section {
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: 6px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.transfer-mode-section:last-child {
  margin-bottom: 0;
}

.transfer-mode-section:hover {
  background: var(--color-bg-subtle);
  border-color: var(--color-primary-light);
}

.transfer-mode-section.selected {
  border-left: 3px solid var(--color-primary);
  background: var(--color-primary-bg);
}

.transfer-mode-check {
  font-size: 0.85rem;
  color: var(--color-primary);
  flex-shrink: 0;
}

.transfer-mode-header {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
}

.transfer-mode-cost {
  margin-left: auto;
  font-weight: 700;
  color: var(--color-primary);
  font-size: 0.9rem;
}

.transfer-mode-meta {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  margin-top: 4px;
  padding-left: 22px;
}

/* ── Transit route options ── */
.transit-routes-list {
  margin-top: 8px;
}

.transit-route-option {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: 6px;
  overflow: hidden;
}

.route-option-header {
  padding: 8px 12px;
  cursor: pointer;
  transition: background 0.15s;
}

.route-option-header:hover {
  background: var(--color-bg-subtle);
}

.route-option-header.expanded {
  background: var(--color-bg-subtle);
  border-bottom: 1px solid var(--color-border);
}

.route-option-summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
}

.route-time {
  font-weight: 500;
  color: var(--color-text);
}

.route-duration {
  font-weight: 600;
  color: var(--color-primary);
}

.route-option-detail {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 3px;
}

.route-summary-text {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.route-cost {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ── Step-by-step timeline ── */
.route-steps-timeline {
  padding: 12px 12px 8px;
}

.route-step {
  display: flex;
  gap: 10px;
  min-height: 40px;
}

.step-icon-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 16px;
  flex-shrink: 0;
}

.step-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid #999;
  background: #fff;
  flex-shrink: 0;
  z-index: 1;
}

.step-dot.walk-dot {
  border-color: #999;
  width: 10px;
  height: 10px;
}

.step-dot.transit-dot {
  border-width: 3px;
  width: 14px;
  height: 14px;
}

.step-line {
  width: 3px;
  flex: 1;
  min-height: 20px;
}

.step-line.walk-line {
  background: repeating-linear-gradient(
    to bottom,
    #bbb 0px, #bbb 4px,
    transparent 4px, transparent 8px
  );
}

.step-line.transit-line {
  background: #4285F4;
  border-radius: 2px;
}

.step-content {
  flex: 1;
  padding-bottom: 10px;
  min-width: 0;
}

.step-label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text);
}

.step-meta {
  font-size: 0.72rem;
  color: var(--color-text-secondary);
  margin-top: 2px;
}

.step-departure,
.step-arrival {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-text);
}

.step-transit-info {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 4px 0;
  flex-wrap: wrap;
}

.transit-badge {
  display: inline-block;
  padding: 1px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.3px;
  white-space: nowrap;
}

.step-headsign {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

/* ── Meal costs section (in city cards) ── */
.meal-costs-section {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--color-border);
}

.meal-section-header {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  margin-bottom: 10px;
}

.meal-breakdown {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.meal-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 0;
  font-size: 0.82rem;
  color: var(--color-text-secondary);
}

.meal-row.total {
  border-top: 1px solid var(--color-border);
  margin-top: 4px;
  padding-top: 8px;
  font-weight: 600;
  color: var(--color-text);
  font-size: 0.85rem;
}

/* ── Layover meals section (in flight cards) ── */
.layover-meals-section {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--color-border);
}

.layover-meal-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 6px 0;
  font-size: 0.82rem;
  gap: 12px;
}

.layover-meal-info {
  display: flex;
  align-items: center;
  gap: 6px;
}

.layover-airport {
  font-weight: 600;
  color: var(--color-text);
}

.layover-duration {
  color: var(--color-text-secondary);
  font-size: 0.78rem;
}

.layover-meal-detail {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
  color: var(--color-text-secondary);
}

.layover-meal-cost {
  font-weight: 600;
  color: var(--color-primary);
}

/* ── Confidence badges ── */
.confidence-badge {
  display: inline-block;
  font-size: 0.65rem;
  padding: 1px 6px;
  border-radius: var(--radius-full);
  font-weight: 600;
  vertical-align: middle;
  letter-spacing: 0.2px;
}

.confidence-badge.city {
  background: #e3f2fd;
  color: #1565c0;
}

.confidence-badge.country {
  background: #fff8e1;
  color: #f57f17;
}

.confidence-badge.default {
  background: var(--color-bg-subtle);
  color: var(--color-text-light);
}

.confidence-badge.live {
  background: #e8f5e9;
  color: #2e7d32;
}

/* ── Source note ── */
.source-note {
  font-size: 0.7rem;
  font-style: italic;
  color: var(--color-text-light);
  margin-top: 6px;
}

/* ── Transport mode toggle (flight card header) ── */
.transport-mode-toggle {
  display: flex;
  gap: 4px;
  margin-left: auto;
  flex-shrink: 0;
}

.mode-pill {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.15s;
  padding: 0;
  line-height: 1;
}

.mode-pill:hover {
  border-color: var(--color-primary-light);
  background: var(--color-bg-subtle);
}

.mode-pill.active {
  border-color: var(--color-primary);
  background: var(--color-primary-bg);
  box-shadow: 0 0 0 1px var(--color-primary);
}

.mode-pill[title] {
  position: relative;
}

/* ── Ground route card body (non-flight modes) ── */
.ground-route-body {
  padding: 12px 16px 16px;
}

.ground-route-summary {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.ground-route-icon {
  font-size: 1.5rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-bg-subtle);
  flex-shrink: 0;
}

.ground-route-info {
  flex: 1;
}

.ground-route-info .route-label {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text);
}

.ground-route-info .route-meta {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  margin-top: 2px;
}

.ground-route-cost {
  text-align: right;
  flex-shrink: 0;
}

.ground-route-cost .cost-amount {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary);
}

.ground-route-cost .cost-label {
  font-size: 0.68rem;
  color: var(--color-text-secondary);
}

/* Transit route inside ground card */
.ground-transit-routes {
  margin-top: 8px;
}

@media (max-width: 520px) {
  .transport-mode-toggle {
    gap: 3px;
  }
  .mode-pill {
    width: 28px;
    height: 28px;
    font-size: 0.85rem;
  }
}

/* ── Flight card (Google Flights style) ── */
.flight-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px 10px;
}

.flight-card-header .card-icon {
  font-size: 1.3rem;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-bg-subtle);
  flex-shrink: 0;
}

.flight-card-header .card-title {
  flex: 1;
  min-width: 0;
}

.flight-card-header h4 {
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.3;
  margin: 0;
}

.flight-date {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

/* ── Flight option rows ── */
.flight-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 0 16px 12px;
}

.flight-option {
  display: flex;
  align-items: center;
  gap: 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  cursor: pointer;
  transition: box-shadow 0.15s, border-color 0.15s, background 0.15s;
}

.flight-option:hover {
  box-shadow: var(--shadow-sm);
  border-color: var(--color-primary-light);
}

.flight-option.selected {
  border-left: 3px solid var(--color-primary);
  background: var(--color-primary-bg);
}

/* Airline column */
.flight-option-airline {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 64px;
  flex-shrink: 0;
  gap: 4px;
}

.airline-logo {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: #fff;
  font-weight: 700;
  font-size: 0.7rem;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.5px;
}

.airline-name {
  font-size: 0.7rem;
  color: var(--color-text-secondary);
  text-align: center;
  line-height: 1.2;
  max-width: 64px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Route column */
.flight-option-route {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.flight-option-times {
  display: flex;
  align-items: center;
  gap: 8px;
}

.dep-time,
.arr-time {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}

.flight-option-duration {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  min-width: 60px;
}

.duration-text {
  font-size: 0.7rem;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.duration-line {
  width: 100%;
  height: 0;
  border-top: 1px solid var(--color-border);
}

.stops-text {
  font-size: 0.7rem;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.stops-direct {
  color: var(--color-savings);
  font-weight: 600;
}

.flight-option-codes {
  display: flex;
  justify-content: center;
  font-size: 0.72rem;
  color: var(--color-text-light);
}

/* Price column */
.flight-option-price {
  text-align: right;
  flex-shrink: 0;
  min-width: 70px;
}

.price-amount {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary);
}

.price-label {
  font-size: 0.68rem;
  color: var(--color-text-secondary);
}

/* More options toggle */
.flight-more-toggle {
  padding: 6px 16px 10px;
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  user-select: none;
  transition: color 0.15s;
}

.flight-more-toggle:hover {
  color: var(--color-primary);
}

.flight-more-list {
  display: none;
  flex-direction: column;
  gap: 8px;
  padding: 0 16px 12px;
}

.flight-more-list.expanded {
  display: flex;
}

/* Layover area inside flight card */
.flight-layover-area {
  padding: 0 16px;
}

.flight-layover-area:empty {
  display: none;
}

.flight-layover-area .layover-meals-section {
  margin-top: 0;
  padding: 10px 0 14px;
  border-top: 1px solid var(--color-bg-subtle);
}

/* ── Responsive: stack flight option on narrow screens ── */
@media (max-width: 520px) {
  .flight-option {
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px 12px;
  }
  .flight-option-airline {
    flex-direction: row;
    width: auto;
    gap: 6px;
  }
  .airline-logo {
    width: 28px;
    height: 28px;
    font-size: 0.6rem;
  }
  .flight-option-route {
    flex-basis: 100%;
    order: 3;
  }
  .flight-option-price {
    margin-left: auto;
  }
  .dep-time, .arr-time {
    font-size: 0.95rem;
  }
}