:root {
  --bg: #0b0d10;
  --bg2: #131720;
  --line: #232936;
  --fg: #e6ebf2;
  --muted: #8892a0;
  --accent: #5ee0a1;
  --accent2: #46cbff;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0; height: 100%;
  background: var(--bg);
  color: var(--fg);
  font: 14px/1.5 ui-sans-serif, system-ui, -apple-system, "Inter", sans-serif;
}

header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center; gap: 18px;
  padding: 10px 18px; border-bottom: 1px solid var(--line);
  background: linear-gradient(to bottom, #10151c, #0b0d10);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand h1 { font-size: 14px; font-weight: 600; letter-spacing: 0.02em; margin: 0; }
.dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(94,224,161,0.18);
}
.meta { color: var(--muted); font-size: 12px; }

/* Backfill tracker in the header */
.tracker {
  display: flex; flex-direction: column; gap: 4px;
  max-width: 720px;
}
.tracker-row {
  display: flex; align-items: center; gap: 10px;
  font-size: 11px;
}
.tracker .state {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 999px;
  background: #1a212c;
  color: var(--muted);
  border: 1px solid var(--line);
}
.tracker .state.running {
  color: #04120b;
  background: var(--accent);
  border-color: var(--accent);
  animation: pulse 1.6s infinite;
}
.tracker .state.completed {
  color: var(--accent);
  border-color: var(--accent);
  background: transparent;
}
.tracker .state.errored,
.tracker .state.stalled,
.tracker .state.interrupted {
  color: #ff8b9b;
  border-color: #6b2933;
  background: #2a1318;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(94,224,161,0.55); }
  50%      { box-shadow: 0 0 0 6px rgba(94,224,161,0); }
}
.tracker .meta-text {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.tracker-bar {
  position: relative;
  height: 14px;
  background: #14191f;
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
}
.tracker-bar .fill {
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 0%;
  background: linear-gradient(90deg, rgba(94,224,161,0.18), rgba(70,203,255,0.18));
  transition: width 0.4s ease-out;
  z-index: 1;
}
.tracker-bar .workers {
  position: absolute; inset: 0;
  z-index: 2;
}
.tracker-bar .workers .w {
  position: absolute;
  top: 0; bottom: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-right: 1px solid #0b0d10;
  transition: left 0.4s ease-out, width 0.4s ease-out;
}
.tracker-bar .workers .w.done {
  background: var(--accent);
  opacity: 0.45;
}
.tracker-labels {
  display: flex;
  justify-content: space-between;
  font-size: 9px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  margin-top: 2px;
}

main {
  display: grid;
  grid-template-columns: 280px 1fr;
  height: calc(100vh - 49px);
}

aside {
  border-right: 1px solid var(--line);
  padding: 16px;
  overflow-y: auto;
  background: var(--bg2);
}

.picker {
  margin-bottom: 12px;
  display: flex; flex-direction: column; gap: 4px;
}
.picker label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.picker select {
  background: #0e1218;
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 6px 8px;
  font: inherit;
}
.picker select:focus { outline: none; border-color: var(--accent2); }

button#reload {
  width: 100%;
  padding: 8px 10px;
  background: var(--accent);
  color: #04120b;
  border: 0;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 4px;
}
button#reload:hover { filter: brightness(1.06); }
button#reload:active { transform: translateY(1px); }

.indexed-h {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 14px;
  margin-top: 18px;
}
.indexed-list {
  font-size: 12px;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 40vh;
  overflow-y: auto;
}
.indexed-list .row {
  display: flex; justify-content: space-between;
  padding: 4px 6px;
  border-radius: 4px;
  cursor: pointer;
}
.indexed-list .row:hover { background: #1b2230; color: var(--fg); }
.indexed-list .row .t { font-weight: 600; color: var(--fg); }

#chart-area {
  position: relative;
  display: flex;
  flex-direction: column;
}
#chart {
  flex: 1;
  min-height: 0;
}
#legend {
  position: absolute;
  top: 12px; left: 16px;
  pointer-events: none;
  font-variant-numeric: tabular-nums;
  z-index: 5;
}
#legend .ticker {
  font-size: 18px; font-weight: 600; color: var(--fg);
  letter-spacing: 0.02em;
}
#legend .price {
  font-size: 28px; font-weight: 700; color: var(--accent);
  margin-top: 2px;
}
#legend .sub {
  font-size: 11px; color: var(--muted); margin-top: 2px;
}