/* ============================================================
   pulse.css — Live Pulse section (real-time system telemetry)
   ============================================================ */

/* ---------- Pulse Section Layout ---------- */
.pulse-header { text-align: center; margin-bottom: 48px; }

.pulse-status-row {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  margin-bottom: 32px;
}

.pulse-beacon {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 8px rgba(45,212,191,0.5);
  animation: pulseBeacon 2s ease-in-out infinite;
}
.pulse-beacon.offline { background: var(--faint); box-shadow: none; animation: none; }
.pulse-beacon.stale { background: var(--amber); box-shadow: 0 0 8px rgba(251,191,36,0.4); }

@keyframes pulseBeacon {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.pulse-status-text {
  font-size: 0.82rem; font-weight: 600; color: var(--teal);
  font-family: var(--mono); letter-spacing: 0.3px;
}
.pulse-status-text.offline { color: var(--faint); }
.pulse-status-text.stale { color: var(--amber); }

.pulse-updated {
  font-size: 0.7rem; color: var(--faint); text-align: center;
  margin-top: -20px; margin-bottom: 32px;
  font-family: var(--mono);
}

/* ---------- Pulse Stat Grid ---------- */
.pulse-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
  margin-bottom: 32px;
}

.pulse-stat {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px 16px;
  text-align: center; position: relative; overflow: hidden;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}
.pulse-stat:hover {
  border-color: rgba(45,212,191,0.3);
  transform: translateY(-3px);
  box-shadow: var(--glow);
}

.pulse-stat-value {
  font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800;
  letter-spacing: -1px; line-height: 1;
  background: linear-gradient(135deg, var(--teal), var(--blue));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  margin-bottom: 6px;
}

.pulse-stat-label {
  font-size: 0.75rem; font-weight: 600; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.5px;
}

.pulse-stat-sub {
  font-size: 0.7rem; color: var(--faint); margin-top: 4px;
  font-family: var(--mono);
}

/* ---------- Activity Feed & Agent Grid ---------- */
.pulse-bottom {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
}

.pulse-panel {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px;
  overflow: hidden;
}
.pulse-panel-title {
  font-size: 0.78rem; font-weight: 700; color: var(--text);
  text-transform: uppercase; letter-spacing: 0.6px;
  margin-bottom: 16px; display: flex; align-items: center; gap: 8px;
}
.pulse-panel-title .panel-icon {
  font-size: 0.9rem;
}

/* Activity Feed */
.pulse-feed { list-style: none; }

.pulse-feed-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(99,179,237,0.06);
  font-size: 0.8rem;
}
.pulse-feed-item:last-child { border-bottom: none; }

.feed-dot {
  width: 7px; height: 7px; border-radius: 50%;
  flex-shrink: 0;
}
.feed-dot.completed { background: var(--teal); }
.feed-dot.failed { background: var(--red); }
.feed-dot.running { background: var(--amber); animation: pulseBeacon 1.5s ease-in-out infinite; }

.feed-text { color: var(--muted); flex: 1; }
.feed-text .feed-agent { color: var(--text); font-weight: 600; }

.feed-time {
  font-size: 0.7rem; color: var(--faint); font-family: var(--mono);
  flex-shrink: 0;
}

/* Agent Breakdown */
.agent-bars { display: flex; flex-direction: column; gap: 12px; }

.agent-bar-row {
  display: flex; align-items: center; gap: 12px;
}

.agent-bar-label {
  font-size: 0.78rem; font-weight: 600; color: var(--text);
  min-width: 90px; font-family: var(--mono);
}

.agent-bar-track {
  flex: 1; height: 6px; background: var(--surface2);
  border-radius: 3px; overflow: hidden; position: relative;
}

.agent-bar-fill {
  height: 100%; border-radius: 3px;
  background: linear-gradient(90deg, var(--teal), var(--blue));
  transition: width 0.6s ease;
}

.agent-bar-count {
  font-size: 0.72rem; color: var(--faint); font-family: var(--mono);
  min-width: 55px; text-align: right;
}

.agent-bar-rate {
  font-size: 0.68rem; color: var(--teal); font-family: var(--mono);
  min-width: 40px; text-align: right;
}

/* ---------- Tokens / Cost Badge ---------- */
.pulse-token-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(45,212,191,0.08); border: 1px solid rgba(45,212,191,0.2);
  border-radius: 100px; padding: 4px 12px;
  font-size: 0.72rem; font-weight: 600; color: var(--teal);
  font-family: var(--mono);
}

/* ---------- Empty / Loading States ---------- */
.pulse-loading {
  text-align: center; padding: 48px 0; color: var(--faint);
  font-size: 0.85rem;
}

.pulse-empty {
  text-align: center; padding: 24px 0; color: var(--faint);
  font-size: 0.8rem; font-style: italic;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .pulse-stats { grid-template-columns: repeat(2, 1fr); }
  .pulse-bottom { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .pulse-stats { grid-template-columns: 1fr 1fr; gap: 10px; }
  .pulse-stat { padding: 14px 10px; }
  .pulse-stat-value { font-size: 1.4rem; }
  .pulse-panel { padding: 16px; }
}