* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: #0f172a;
  color: #e2e8f0;
}

.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

h1 { margin: 0; font-size: 26px; }
h3 { margin: 0 0 10px; }
p { margin: 4px 0 0; color: #cbd5e1; }

.badges { display: flex; gap: 8px; }
.badge {
  background: #1e293b;
  color: #a5b4fc;
  padding: 6px 10px;
  border-radius: 14px;
  font-size: 12px;
  border: 1px solid #334155;
}
.badge-accent { color: #f472b6; }

.controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 12px;
}

.card {
  background: #111827;
  border: 1px solid #1f2937;
  border-radius: 10px;
  padding: 14px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
}
.hint { color: #94a3b8; font-size: 12px; }

label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  margin: 6px 0;
}
input[type="number"] {
  width: 90px;
  padding: 6px;
  background: #0b1220;
  border: 1px solid #1f2937;
  border-radius: 6px;
  color: #e2e8f0;
}
.checkbox { gap: 8px; justify-content: flex-start; }

button {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  border: none;
  color: #fff;
  border-radius: 8px;
  padding: 8px 12px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 10px 20px rgba(99,102,241,0.25);
}
button.secondary {
  background: #1f2937;
  border: 1px solid #334155;
  box-shadow: none;
}
button:active { transform: translateY(1px); }

.actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  justify-content: space-between;
}
.status-line {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #cbd5e1;
}
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  background: #94a3b8;
}
.dot.live { background: #22c55e; }
.dot.paused { background: #f97316; }

.viz-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 12px;
}
.wide { grid-column: 1 / -1; }

.timeline {
  height: 240px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.timeline-item {
  padding: 8px;
  border-radius: 8px;
  border: 1px solid #1f2937;
  background: #0b1220;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
}
.timeline-item .tag {
  padding: 3px 8px;
  border-radius: 8px;
  border: 1px solid #334155;
  font-weight: 600;
}
.tag.tx { color: #34d399; border-color: #34d39966; }
.tag.jam { color: #f472b6; border-color: #f472b666; }

.state-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 8px;
}
.state-tile {
  background: #0b1220;
  border: 1px solid #1f2937;
  border-radius: 8px;
  padding: 10px;
}
.state-tile h4 { margin: 0 0 8px; }
.state-tile .value { font-weight: 700; color: #a5b4fc; }
.state-tile small { color: #94a3b8; display: block; margin-top: 4px; }

canvas { background: #0b1220; border-radius: 8px; }

@media (max-width: 720px) {
  .controls { grid-template-columns: 1fr; }
  .viz-grid { grid-template-columns: 1fr; }
  .wide { grid-column: 1 / 2; }
}