/* ==========================================================================
   Travel Insight - Flights & Hotels Route Planner Styles (planner.css)
   Clean, modern, responsive, dark/light mode compatible
   ========================================================================== */

/* Page Container & Layout */
.planner-page {
  padding-bottom: 4rem;
}

/* Header navigation styles inherited from index.css */

/* Hero Search Console */
.planner-hero {
  position: relative;
  padding: 2.5rem 0 2rem;
  text-align: center;
}

.planner-hero-tagline {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-primary);
  background: var(--accent-primary-glow);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.planner-hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1.15;
  margin-bottom: 0.85rem;
}

.planner-hero-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

/* Route Search Form Card */
.route-search-card {
  background: var(--bg-glass-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 1.85rem;
  box-shadow: var(--shadow-lg);
  max-width: 1060px;
  margin: 0 auto 2.5rem;
  text-align: left;
}

.route-inputs-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr 180px 140px;
  gap: 0.85rem;
  align-items: flex-end;
}

.route-inputs-grid .form-input,
.route-search-card .form-input {
  padding-left: 1rem !important;
  padding-right: 1rem !important;
}

@media (max-width: 992px) {
  .route-inputs-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .route-inputs-grid {
    grid-template-columns: 1fr;
  }
}

.swap-btn-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-bottom: 0.35rem;
}

.swap-route-btn {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-xs);
}

.swap-route-btn:hover {
  transform: rotate(180deg);
  background: var(--accent-primary);
  color: #fff;
  border-color: var(--accent-primary);
}

/* Quick Route Chips */
.quick-route-chips {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

.quick-chip-btn {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.quick-chip-btn:hover {
  background: var(--accent-primary-glow);
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

/* Route Metrics Banner */
.route-metrics-banner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
}

@media (max-width: 640px) {
  .route-metrics-banner {
    grid-template-columns: repeat(2, 1fr);
    padding: 1rem;
    gap: 0.75rem;
  }
}

@media (max-width: 420px) {
  .route-metrics-banner {
    grid-template-columns: 1fr;
  }
}

.metric-tile {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.metric-tile-lbl {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.metric-tile-val {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* Month Preference Section */
.month-preference-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow-md);
}

.month-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.month-legend {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.8rem;
  font-weight: 600;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
}

.dot-best { background: #10b981; }
.dot-moderate { background: #f59e0b; }
.dot-peak { background: #ef4444; }

/* Day-by-Day Preference Matrix Grid */
.calendar-days-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

@media (max-width: 768px) {
  .calendar-days-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 480px) {
  .calendar-days-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.calendar-weekday-header {
  text-align: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding-bottom: 0.4rem;
}

.day-cell {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.65rem 0.5rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 86px;
  position: relative;
  text-align: left;
}

.day-cell:hover {
  transform: translateY(-2px);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-sm);
}

.day-cell.selected {
  border-color: var(--accent-primary);
  background: var(--accent-primary-glow);
  box-shadow: 0 0 0 2px var(--accent-primary);
}

.day-cell.tier-best {
  border-left: 3px solid #10b981;
}

.day-cell.tier-moderate {
  border-left: 3px solid #f59e0b;
}

.day-cell.tier-peak {
  border-left: 3px solid #ef4444;
}

.day-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.35rem;
}

.day-num {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.day-name-tag {
  font-size: 0.68rem;
  color: var(--text-muted);
  font-weight: 600;
}

.day-score-pill {
  font-size: 0.68rem;
  font-weight: 800;
  padding: 1px 5px;
  border-radius: 4px;
}

.tier-best .day-score-pill {
  background: rgba(16, 185, 129, 0.15);
  color: #059669;
}

.tier-moderate .day-score-pill {
  background: rgba(245, 158, 11, 0.15);
  color: #d97706;
}

.tier-peak .day-score-pill {
  background: rgba(239, 68, 68, 0.15);
  color: #dc2626;
}

.day-price-wrap {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.day-flight-price {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-primary);
}

.day-hotel-price {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Smart Insights Box */
.month-insights-box {
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  border-left: 4px solid var(--accent-primary);
}

.month-insights-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.5rem;
}

.month-insights-list {
  margin: 0;
  padding-left: 1.2rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Flights & Hotels Split Grid */
.details-split-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

@media (max-width: 1024px) {
  .details-split-grid {
    grid-template-columns: 1fr;
  }
}

/* Flight Cards */
.flight-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1rem;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.flight-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-highlight);
}

.flight-card-badge {
  position: absolute;
  top: 10px;
  right: 12px;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: var(--accent-teal-subtle);
  color: var(--accent-teal);
  border: 1px solid rgba(13, 148, 136, 0.3);
}

.flight-header-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.airline-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: var(--shadow-xs);
}

.airline-info {
  display: flex;
  flex-direction: column;
}

.airline-name {
  font-weight: 700;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.flight-number {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.flight-times-track {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  padding: 0.75rem 1rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
}

.time-col {
  text-align: center;
}

.time-val {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
}

.airport-tag {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
}

.route-arrow-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
}

.duration-lbl {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.arrow-line {
  width: 100%;
  height: 2px;
  background: var(--border-subtle);
  position: relative;
  margin: 4px 0;
}

.arrow-line::after {
  content: '✈';
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.75rem;
  color: var(--accent-primary);
}

.stops-tag {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-teal);
}

.flight-bottom-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.flight-amenities-pills {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.amenity-pill {
  font-size: 0.72rem;
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.flight-price-box {
  text-align: right;
}

.price-total {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent-primary);
}

.price-sublabel {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* Hotel Cards */
.hotel-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 1.25rem;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.hotel-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-highlight);
}

.hotel-img-wrapper {
  position: relative;
  height: 180px;
  overflow: hidden;
}

.hotel-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.hotel-card:hover .hotel-img {
  transform: scale(1.04);
}

.hotel-tier-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: rgba(15, 23, 42, 0.85);
  color: #fff;
  backdrop-filter: blur(8px);
}

.hotel-body {
  padding: 1.25rem;
}

.hotel-name-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.hotel-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.hotel-rating-box {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--accent-primary-glow);
  color: var(--accent-primary);
  font-weight: 800;
  font-size: 0.82rem;
  padding: 2px 7px;
  border-radius: var(--radius-sm);
}

.hotel-meta-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.hotel-perks-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.hotel-perk-item {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.hotel-bottom-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-subtle);
}

/* Trip Package Budget Estimator */
.trip-budget-card {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(13, 148, 136, 0.08));
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  margin-bottom: 2.5rem;
}

.budget-items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-top: 1rem;
}

.budget-item-box {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.budget-val {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent-primary);
}

/* Mobile Adjustments */
@media (max-width: 680px) {
  .planner-hero {
    padding: 1.5rem 0 1rem;
  }
  .planner-hero-title {
    font-size: clamp(1.65rem, 5.5vw, 2.2rem);
    margin-bottom: 0.5rem;
  }
  .planner-hero-desc {
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
  }
  .route-search-card {
    padding: 1.15rem 0.95rem;
    margin-bottom: 1.75rem;
    border-radius: var(--radius-lg);
  }
  .flight-card {
    padding: 1rem 0.95rem;
    border-radius: var(--radius-lg);
  }
  .trip-budget-card {
    padding: 1.15rem 0.95rem;
    border-radius: var(--radius-lg);
  }
  .route-metrics-banner {
    grid-template-columns: 1fr 1fr;
    gap: 0.65rem;
    padding: 1rem;
  }
  .metric-value {
    font-size: 1.25rem;
  }
}