body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  background: #0f172a;
  color: #e2e8f0;
}

main {
  max-width: 1240px;
  margin: 0 auto;
  padding: 24px;
}

button,
input,
select {
  border: 1px solid #475569;
  border-radius: 8px;
  padding: 8px 10px;
  background: #1e293b;
  color: #e2e8f0;
}

button {
  cursor: pointer;
}

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

label {
  display: grid;
  gap: 6px;
  color: #94a3b8;
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 20px;
  align-items: stretch;
  margin-bottom: 16px;
}

.hero h1 {
  max-width: 780px;
  margin: 4px 0 10px;
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1;
}

.eyebrow,
.hero-copy,
.muted-text,
.empty-state,
.model-card small,
.board-caption {
  color: #94a3b8;
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 12px;
}

.hero-copy {
  max-width: 640px;
  margin: 0;
  font-size: 16px;
}

.demo-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(320px, 0.8fr);
  gap: 16px;
}

.card {
  background: #111827;
  border: 1px solid #334155;
  border-radius: 12px;
  padding: 16px;
}

.card h2,
.model-card h2 {
  margin: 0 0 12px;
}

.wide-card {
  grid-row: span 3;
}

.model-card {
  background: linear-gradient(135deg, #172554, #111827 68%);
  border: 1px solid #38bdf8;
  border-radius: 16px;
  padding: 18px;
  box-shadow: 0 18px 60px rgba(14, 165, 233, 0.18);
}

.status-pill,
.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 4px 8px;
  background: #1e293b;
  color: #bae6fd;
  font-size: 12px;
  font-weight: 700;
}

.action-text {
  min-height: 44px;
  margin: 0 0 12px;
  color: #f8fafc;
  font-size: 22px;
  font-weight: 800;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0;
  align-items: center;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.board-wrap {
  display: grid;
  gap: 12px;
}

.dispatch-board {
  width: 100%;
  min-height: 360px;
  border-radius: 16px;
  background:
    radial-gradient(circle at top left, rgba(14, 165, 233, 0.2), transparent 30%),
    #020617;
}

.dispatch-board line {
  stroke: #334155;
  stroke-width: 2;
}

.board-node circle {
  fill: #0f172a;
  stroke: #64748b;
  stroke-width: 2;
}

.board-node text,
.courier-marker text,
.order-marker text {
  fill: #e2e8f0;
  font-size: 12px;
  font-weight: 700;
  text-anchor: middle;
}

.muted-text {
  font-size: 10px;
  font-weight: 500;
}

.order-marker rect {
  fill: #475569;
  stroke: #cbd5e1;
}

.order-marker.ready rect {
  fill: #a16207;
  stroke: #fde68a;
  animation: pulse 1.2s ease-in-out infinite;
}

.order-marker.picked rect {
  fill: #0e7490;
  stroke: #67e8f9;
}

.order-marker.delivered rect {
  fill: #15803d;
  stroke: #86efac;
}

.order-marker.expired rect {
  fill: #991b1b;
  stroke: #fca5a5;
}

.courier-marker circle {
  fill: #2563eb;
  stroke: #bfdbfe;
  stroke-width: 2;
  filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.65));
  transition: transform 0.25s ease;
}

.courier-marker.to_pickup circle,
.courier-marker.to_dropoff circle,
.courier-marker.repositioning circle {
  animation: pulse 1s ease-in-out infinite;
}

.board-caption {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
}

.nodes {
  display: flex;
  gap: 16px;
  align-items: center;
}

.node {
  border: 1px solid #64748b;
  border-radius: 999px;
  padding: 16px;
  min-width: 84px;
  text-align: center;
}

.event-feed {
  display: grid;
  gap: 10px;
  max-height: 392px;
  margin: 0;
  padding: 0;
  overflow: auto;
  list-style: none;
}

.event-feed li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 2px 10px;
  padding: 10px;
  border: 1px solid #334155;
  border-left: 4px solid #64748b;
  border-radius: 10px;
  background: #0f172a;
}

.event-feed li:first-child {
  animation: slide-in 0.28s ease-out;
}

.event-feed span {
  grid-row: span 2;
  color: #38bdf8;
  font-weight: 800;
}

.event-feed small {
  color: #94a3b8;
}

.event-feed .received,
.event-feed .ready,
.event-feed .model {
  border-left-color: #facc15;
}

.event-feed .delivered {
  border-left-color: #22c55e;
}

.event-feed .expired {
  border-left-color: #ef4444;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.metrics div {
  padding: 12px;
  border-radius: 10px;
  background: #020617;
}

.metrics span {
  display: block;
  color: #94a3b8;
  font-size: 12px;
}

.metrics strong {
  display: block;
  margin-top: 4px;
  font-size: 24px;
}

table {
  border-collapse: collapse;
  width: 100%;
}

td {
  border-bottom: 1px solid #334155;
  padding: 8px;
}

pre {
  white-space: pre-wrap;
  max-height: 260px;
  overflow: auto;
  background: #020617;
  padding: 12px;
  border-radius: 8px;
}

.badge.ready {
  background: #713f12;
  color: #fde68a;
}

.badge.picked {
  background: #164e63;
  color: #a5f3fc;
}

.badge.delivered {
  background: #14532d;
  color: #bbf7d0;
}

.badge.expired {
  background: #7f1d1d;
  color: #fecaca;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.72;
  }
  50% {
    opacity: 1;
  }
}

@keyframes slide-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 860px) {
  .hero,
  .demo-layout {
    grid-template-columns: 1fr;
  }

  .wide-card {
    grid-row: auto;
  }
}