/* ===== Search Page CSS ===== */

.search-panel {
  background: var(--navy);
  padding: 20px 0 0;
  position: sticky;
  top: calc(var(--header-h) + var(--subheader-h));
  z-index: 100;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.search-bar {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.sb-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  min-width: 140px;
}
.sb-field label { font-size: 11px; font-weight: 700; color: rgba(255,255,255,0.65); text-transform: uppercase; letter-spacing: 0.5px; }
.sb-date { max-width: 160px; }
.sb-class { max-width: 150px; }

.sb-search-btn { flex-shrink: 0; padding: 12px 24px; align-self: flex-end; }

.swap-btn {
  align-self: flex-end;
  width: 36px; height: 38px;
  border: 1.5px solid rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.1);
  border-radius: 6px;
  color: #fff;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
}
.swap-btn:hover { background: rgba(255,255,255,0.25); }

/* Date strip */
.date-strip {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.date-strip::-webkit-scrollbar { display: none; }

.date-tab {
  flex-shrink: 0;
  padding: 10px 20px;
  color: rgba(255,255,255,0.65);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all 0.15s;
  text-align: center;
}
.date-tab:hover { color: #fff; background: rgba(255,255,255,0.08); }
.date-tab.active { color: var(--amber-light); border-bottom-color: var(--amber); font-weight: 700; }
.date-tab .day { font-size: 11px; opacity: 0.7; }

/* ---- Results Layout ---- */
.results-section { padding: 24px 0 60px; }
.results-layout { display: grid; grid-template-columns: 240px 1fr; gap: 20px; align-items: start; }

/* ---- Filters ---- */
.filters-panel { padding: 20px; position: sticky; top: 160px; }
.filter-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.filter-header h3 { font-size: 16px; font-weight: 800; color: var(--navy); }

.filter-group { margin-bottom: 20px; border-bottom: 1px solid var(--border); padding-bottom: 16px; }
.filter-group:last-child { border: none; margin: 0; padding: 0; }
.filter-group h4 { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); margin-bottom: 10px; }

.filter-check {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--text); cursor: pointer;
  padding: 5px 0;
  transition: color 0.15s;
}
.filter-check:hover { color: var(--navy); }
.filter-check input { accent-color: var(--navy); }

/* ---- Results Meta ---- */
.results-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
}
.meta-left { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.route-summary { font-size: 18px; font-weight: 800; color: var(--navy); }
.results-count { font-size: 13px; color: var(--text-muted); }
.meta-right { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-muted); }
.sort-select { border: 1.5px solid var(--border); border-radius: 6px; padding: 6px 10px; font-size: 13px; font-family: inherit; cursor: pointer; outline: none; }

/* ---- Class Legend ---- */
.class-legend {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 12px;
  color: var(--text-muted);
  flex-wrap: wrap;
}
.avail-chip {
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
}
.avail { background: #e8f5e9; color: #2e7d32; }
.rac { background: #fff3e0; color: #e65100; }
.wl { background: #fce4ec; color: #c62828; }
.na { background: #f5f5f5; color: #9e9e9e; }

/* ---- Train Card ---- */
.train-card {
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow 0.2s, border-color 0.2s;
}
.train-card:hover { border-color: var(--navy); box-shadow: var(--shadow); }

.train-card-header {
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  border-bottom: 1px solid var(--border);
}

.train-name-wrap { display: flex; align-items: center; gap: 12px; }
.train-num {
  background: var(--navy);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 6px;
  letter-spacing: 0.3px;
}
.train-name { font-size: 16px; font-weight: 800; color: var(--navy); }
.train-type-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(26,35,126,0.08);
  color: var(--navy);
}

.train-route {
  display: flex;
  align-items: center;
  gap: 20px;
}
.route-time { font-size: 22px; font-weight: 900; color: var(--text); }
.route-station { font-size: 11px; color: var(--text-muted); font-weight: 600; }
.route-mid { text-align: center; }
.route-dur { font-size: 12px; font-weight: 700; color: var(--text-muted); }
.route-line {
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, var(--navy), var(--red));
  margin: 4px 0;
  position: relative;
}
.route-line::before, .route-line::after {
  content: ''; position: absolute; top: -3px;
  width: 8px; height: 8px; border-radius: 50%;
}
.route-line::before { left: 0; background: var(--navy); }
.route-line::after { right: 0; background: var(--red); }
.route-stops { font-size: 11px; color: var(--text-light); }

.train-days { display: flex; gap: 4px; }
.day-dot {
  width: 24px; height: 24px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 10px;
  font-weight: 700;
}
.day-dot.run { background: var(--navy); color: #fff; }
.day-dot.off { background: var(--bg); color: var(--text-light); }

/* Class availability row */
.train-card-classes {
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  background: var(--bg);
}

.class-avail-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
  cursor: pointer;
  min-width: 90px;
  transition: all 0.2s;
}
.class-avail-item:hover { border-color: var(--navy); box-shadow: var(--shadow-sm); }
.class-avail-item.selected { border-color: var(--navy); background: rgba(26,35,126,0.04); }
.ca-label { font-size: 12px; font-weight: 800; color: var(--navy); margin-bottom: 2px; }
.ca-avail { font-size: 11px; font-weight: 700; }
.ca-avail.a { color: #2e7d32; }
.ca-avail.r { color: #e65100; }
.ca-avail.w { color: var(--red); }
.ca-avail.n { color: var(--text-light); }
.ca-fare { font-size: 12px; font-weight: 700; color: var(--text); margin-top: 3px; }

.train-card-footer {
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.tc-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.tc-tag {
  font-size: 11px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 8px;
  color: var(--text-muted);
}
.book-btn { padding: 10px 24px; font-size: 14px; }

/* Empty / loading */
.results-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}
.results-empty .empty-icon { font-size: 64px; margin-bottom: 16px; }
.results-empty h3 { font-size: 20px; font-weight: 800; color: var(--navy); margin-bottom: 8px; }

/* Responsive */
@media (max-width: 1024px) {
  .results-layout { grid-template-columns: 1fr; }
  .filters-panel { position: static; }
  .filter-group { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
  .filter-group h4 { width: 100%; }
}

@media (max-width: 768px) {
  .search-bar { gap: 8px; }
  .sb-date, .sb-class { max-width: 100%; min-width: 120px; }
  .train-card-header { flex-direction: column; align-items: flex-start; }
  .train-route { gap: 12px; }
  .route-time { font-size: 18px; }
}