/* lw-status — Day 4. Heartbeat grid + counters + sparkline.
   Vanilla CSS. NO filter: drop-shadow() anywhere. */

.lw-status {
  --teal: #5EEAD4;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  margin: 0;
  padding: 22px 24px;
  width: 100%;
  max-width: 720px;
  margin-inline: auto;
  background: var(--bg-elev-1);
  border: 1px solid var(--line-2);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  position: relative;
}

/* ============== Header (replaces fake-numeric counters) ============== */
.lw-status__header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--line-2);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.lw-status__live {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--teal) 18%, transparent);
  animation: lw-status-live-pulse 1.6s ease-in-out infinite;
  flex-shrink: 0;
}
@keyframes lw-status-live-pulse {
  0%, 100% { box-shadow: 0 0 0 4px color-mix(in srgb, var(--teal) 18%, transparent); }
  50%      { box-shadow: 0 0 0 8px color-mix(in srgb, var(--teal) 6%, transparent); }
}
.lw-status__header-label {
  color: var(--text-emphasis);
  letter-spacing: 0.1em;
}
.lw-status__header-meta {
  margin-left: auto;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
}
@media (max-width: 560px) {
  .lw-status__header { flex-wrap: wrap; }
  .lw-status__header-meta { margin-left: 0; flex-basis: 100%; padding-left: 18px; }
}

/* ============== Grid ============== */
.lw-status__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.lw-status__node {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--bg-elev-2);
  border: 1px solid var(--line-2);
  border-radius: 6px;
  min-height: 40px;
  min-width: 0;
}
.lw-status__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ok);
  flex-shrink: 0;
  position: relative;
  /* Glow without filter: layered radial via box-shadow */
  box-shadow:
    0 0 0 0 color-mix(in srgb, var(--ok) 0%, transparent),
    0 0 0 0 color-mix(in srgb, var(--ok) 0%, transparent);
  animation: lw-status-pulse var(--node-period, 2.6s) ease-in-out infinite;
  animation-delay: var(--node-delay, 0s);
  transition: background 200ms ease, box-shadow 200ms ease;
}
@keyframes lw-status-pulse {
  0%, 100% { opacity: 0.6; box-shadow: 0 0 0 0 color-mix(in srgb, var(--ok) 30%, transparent); }
  50%      { opacity: 1.0; box-shadow: 0 0 6px 1px color-mix(in srgb, var(--ok) 45%, transparent); }
}
.lw-status__name {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-body);
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
  flex: 1;
}

/* Node states (set by JS) */
.lw-status__node[data-state="warn"] .lw-status__dot {
  background: var(--warn);
  box-shadow: 0 0 8px 1px color-mix(in srgb, var(--warn) 50%, transparent);
  animation: lw-status-warn 600ms ease-in-out infinite;
}
@keyframes lw-status-warn {
  0%, 100% { opacity: 0.7; }
  50%      { opacity: 1; }
}
.lw-status__node[data-state="crit"] .lw-status__dot {
  background: var(--crit);
  box-shadow: 0 0 10px 2px color-mix(in srgb, var(--crit) 55%, transparent);
  animation: lw-status-crit 500ms ease-in-out infinite;
}
@keyframes lw-status-crit {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.65; }
}

/* ============== Sparkline ============== */
.lw-status__spark-wrap {
  width: 100%;
  height: 56px;
  position: relative;
}
.lw-status__spark-label {
  position: absolute;
  top: -16px;
  left: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.lw-status__spark {
  width: 100%;
  height: 100%;
  display: block;
  color: var(--text-secondary);
  transition: color 360ms ease;
}
.lw-status__spark polyline {
  stroke-width: 1.4;
  stroke-linejoin: round;
  stroke-linecap: round;
  fill: none;
  stroke: currentColor;
  transition: stroke 360ms ease;
}
.lw-status[data-spark-state="warn"] .lw-status__spark { color: var(--warn); }
.lw-status[data-spark-state="crit"] .lw-status__spark { color: var(--crit); }

/* ============== Responsive ============== */
@media (max-width: 720px) {
  .lw-status__grid { grid-template-columns: repeat(3, 1fr); }
  .lw-status__counter-val { font-size: 22px; }
  .lw-status__counter-unit { font-size: 13px; }
}
@media (max-width: 480px) {
  .lw-status__grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .lw-status__node { padding: 8px 10px; gap: 8px; }
  .lw-status__name { font-size: 11px; }
  .lw-status__counters { grid-template-columns: 1fr 1fr; }
  .lw-status__counter:nth-child(3) { grid-column: 1 / -1; }
}

/* ============== Reduced motion ============== */
@media (prefers-reduced-motion: reduce) {
  .lw-status__dot { animation: none !important; opacity: 1; box-shadow: none; }
  .lw-status__spark polyline { transition: none; }
}