:root {
  --bg: #0f172a;
  --card: #111827;
  --accent: #38bdf8;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --border: #1f2937;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: radial-gradient(circle at 10% 20%, #0b1224, #0f172a 35%);
  color: var(--text);
}
a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.logo {
  font-weight: 700;
  letter-spacing: 0.5px;
}
.nav {
  display: flex;
  gap: 1rem;
}
.nav a {
  padding: 0.35rem 0.6rem;
  border-radius: 6px;
}
.nav a:hover,
.nav a.active {
  background: var(--border);
}
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.25);
}
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.5rem;
  align-items: center;
}
.hero img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
}
.search-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  align-items: end;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0b1220;
  color: var(--text);
}
.label-inline {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
button,
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #2563eb);
  color: white;
  border: none;
  border-radius: 10px;
  padding: 0.8rem 1rem;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
button:hover,
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(56, 189, 248, 0.3);
}
.hint {
  color: var(--muted);
  font-size: 0.9rem;
}
.schedule-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.75rem;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border-radius: 999px;
  padding: 0.25rem 0.65rem;
  background: var(--border);
  color: var(--muted);
  font-size: 0.85rem;
}
.badge.success {
  color: var(--success);
}
.badge.warning {
  color: var(--warning);
}
.badge.danger {
  color: var(--danger);
}
.table-responsive {
  width: 100%;
  overflow-x: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
}
th,
td {
  padding: 0.75rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
}
th {
  cursor: pointer;
}
tr:hover {
  background: rgba(255, 255, 255, 0.02);
}
.schedule-list {
  display: none;
  flex-direction: column;
  gap: 0.75rem;
}
.list-item {
  border: 1px solid var(--border);
  padding: 0.75rem;
  border-radius: 10px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}
.grid-full {
  grid-column: 1/-1;
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.chip {
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  background: var(--border);
  color: white;
  transition: transform 0.2s;
}
.chip:hover {
  transform: translateY(-2px);
}
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer {
  padding: 1rem 2rem;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--muted);
}
.result {
  margin-top: 1rem;
  padding: 1rem;
  border: 1px dashed var(--border);
  border-radius: 10px;
  color: var(--text);
}
.suggestions {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}
.suggestions li {
  background: #0b1220;
  border: 1px solid var(--border);
  padding: 0.5rem;
  cursor: pointer;
}
.suggestions li:hover {
  background: rgba(56, 189, 248, 0.08);
}
.station-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}
.station-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  padding: 1rem;
  border-radius: 10px;
}
.iframe-map {
  width: 100%;
  height: 240px;
  border: 0;
  border-radius: 10px;
}
.traffic {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.5rem;
}
.traffic-bar {
  height: 12px;
  border-radius: 6px;
  background: linear-gradient(90deg, #22c55e, #f59e0b, #ef4444);
  opacity: 0.8;
}
.badge-sm {
  padding: 0.15rem 0.45rem;
  border-radius: 6px;
  background: var(--border);
  font-size: 0.8rem;
}
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
  }
  table {
    display: none;
  }
  .schedule-list {
    display: flex;
  }
}