/* /live-op — cross-product timeline narrative. */
.lo-body {
  --focus-accent: #d4d2cb;
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  min-height: 100vh;
}

.lo-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 56px;
  border-bottom: 1px solid var(--rule);
  background: rgba(10,10,10,0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: sticky; top: 0; z-index: 10;
}
.lo-mark { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; }
.lo-mark-square {
  width: 10px; height: 10px;
  background: var(--focus-accent);
  box-shadow: 0 0 8px currentColor;
  animation: lo-mark-pulse 3s ease-in-out infinite;
}
@keyframes lo-mark-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.45; } }
.lo-mark-name { font-family: var(--sans); font-size: 14px; letter-spacing: 0.04em; }
.lo-mark-name b { font-weight: 600; color: var(--ink); }
.lo-mark-name span { color: var(--muted); margin-left: 3px; font-weight: 400; }
.lo-mark-page {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.22em; color: var(--focus-accent);
  margin-left: 14px;
}
.lo-header-right { display: flex; align-items: center; gap: 8px; }
.lo-tab {
  --accent: var(--accent);
  display: inline-flex;
  padding: 5px 12px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted-2);
  border: 1px solid var(--rule-2);
  text-decoration: none;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.lo-tab:hover { color: var(--accent); border-color: var(--accent); }
.lo-tab.is-active {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  border-color: var(--accent);
}
.lo-back {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--muted);
  text-decoration: none;
  margin-left: 6px;
}
.lo-back:hover { color: var(--focus-accent); }

.lo-main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 56px 32px 80px;
}
@media (max-width: 720px) { .lo-main { padding: 36px 22px 56px; } }

.lo-intro {
  margin-bottom: 48px;
  max-width: 800px;
}
.lo-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--focus-accent);
  margin-bottom: 18px;
  text-transform: uppercase;
}
.lo-title {
  font-family: var(--sans);
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 300;
  letter-spacing: -0.028em;
  line-height: 1.05;
  margin: 0 0 18px 0;
}
.lo-title em {
  font-style: italic;
  color: var(--focus-accent);
}
.lo-sub {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 720px;
  margin: 0;
}

/* Timeline of events */
.lo-timeline {
  position: relative;
  margin: 0;
}

.lo-event {
  --accent: var(--accent);
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 24px;
  padding: 26px 0;
  border-bottom: 1px solid var(--rule);
  position: relative;
  opacity: 0;
  transform: translateY(12px);
  animation: lo-event-in 0.55s cubic-bezier(0.2, 0.7, 0.3, 1) calc(var(--i, 0) * 60ms + 200ms) forwards;
  transition: background 0.3s ease;
}
.lo-event:last-of-type { border-bottom: none; }
@keyframes lo-event-in {
  to { opacity: 1; transform: translateY(0); }
}
@media (max-width: 720px) {
  .lo-event { grid-template-columns: 1fr; gap: 14px; }
  .lo-event-left { display: flex; align-items: center; gap: 12px; }
}

.lo-event.is-focus {
  background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 8%, transparent) 0%, transparent 80%);
  padding-left: 18px;
  margin-left: -18px;
  border-bottom-color: var(--rule-2);
}

.lo-event-left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  position: relative;
  padding-top: 4px;
}
.lo-event-time {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  position: relative;
  z-index: 1;
}
.lo-event-rail {
  position: absolute;
  left: 26px; top: 0; bottom: -52px;
  width: 1px;
  background: var(--rule);
}
.lo-event:last-of-type .lo-event-rail { bottom: 50%; }
.lo-event:first-of-type .lo-event-rail { top: 24px; }
.lo-event-node {
  position: absolute;
  left: 22px;
  top: 22px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--accent);
}
.lo-event.is-focus .lo-event-node {
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
}

.lo-event-body { min-width: 0; }
.lo-event-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.lo-chip {
  --accent: var(--accent);
  display: inline-flex;
  padding: 3px 9px;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.24em;
  flex-shrink: 0;
}
.lo-event-title {
  font-family: var(--sans);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.014em;
  color: var(--ink);
  margin: 0;
  line-height: 1.25;
}
.lo-event-detail {
  font-family: var(--sans);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0 0 14px 0;
  max-width: 800px;
}
.lo-event-code {
  background: var(--bg-soft);
  border: 1px solid var(--rule);
  padding: 10px 14px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.02em;
  white-space: pre-wrap;
  word-break: break-all;
  margin: 0;
  line-height: 1.6;
}

.lo-foot {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--muted-2);
  text-transform: uppercase;
}

@media (prefers-reduced-motion: reduce) {
  .lo-event { animation: none; opacity: 1; transform: none; }
  .lo-mark-square { animation: none; }
}