:root {
  --bg: #0a0c10;
  --surface: #12151c;
  --surface2: #1a1f2b;
  --border: rgba(255, 255, 255, 0.06);
  --text: #e8ecf4;
  --muted: #8b95a8;
  --accent: #6ee7b7;
  --accent-dim: rgba(110, 231, 183, 0.12);
  --blue: #60a5fa;
  --yellow: #fbbf24;
  --red: #f87171;
  --purple: #a78bfa;
  --orange: #fb923c;
  --font: "Plus Jakarta Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --radius: 16px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --iface-row-h: 37px;
  --iface-visible-rows: 6;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; overflow-x: clip; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(110, 231, 183, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(110, 231, 183, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black, transparent);
  pointer-events: none;
}

.app {
  position: relative;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: 28px 24px 64px;
}

.header {
  margin-bottom: 0;
  flex-wrap: wrap;
}

.sticky-top {
  position: sticky;
  top: 0;
  z-index: 100;
  margin: -28px -24px 28px;
  padding: 28px 24px 0;
  background: linear-gradient(180deg, var(--bg) 70%, transparent);
  transition: box-shadow 0.25s ease, background 0.25s ease;
}

.sticky-top.is-scrolled {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
  background: rgba(10, 12, 16, 0.92);
  backdrop-filter: blur(12px);
}

.header-main {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  width: 100%;
}

.header-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 16px;
  width: 100%;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(18, 21, 28, 0.92) 0%, rgba(12, 14, 18, 0.88) 100%);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}

.header-vrule {
  width: 1px;
  height: 36px;
  background: rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
}

.header-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 12px;
  min-width: 0;
  flex: 1;
}

.header-status-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-start;
  gap: 10px 12px;
}

.status-group {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 8px 10px;
  flex-shrink: 0;
}

.brand { display: flex; gap: 12px; align-items: center; flex-shrink: 0; }

.brand-icon {
  width: 48px; height: 48px;
  background: var(--accent-dim);
  border: 1px solid rgba(110, 231, 183, 0.2);
  border-radius: 14px;
  display: grid; place-items: center;
  color: var(--accent);
}
.brand-icon svg { width: 24px; height: 24px; }

.brand h1 { font-size: 1.32rem; font-weight: 700; letter-spacing: -0.02em; line-height: 1.2; }
.subtitle { color: var(--muted); font-size: 0.8rem; margin-top: 2px; line-height: 1.35; }

.summary-pills {
  display: inline-flex;
  gap: 0;
  flex-wrap: wrap;
  align-items: center;
  padding: 3px;
  border-radius: 99px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.28);
}

.summary-pill {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 99px;
  border: none;
  background: transparent;
  color: var(--muted);
}

.summary-pill + .summary-pill {
  border-left: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 0;
}

.summary-pill strong { color: var(--text); font-family: var(--mono); }

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 12px;
  border-radius: 99px;
  font-size: 0.78rem;
  font-weight: 500;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.3);
  white-space: nowrap;
  width: 17.5rem;
  min-width: 17.5rem;
  max-width: 17.5rem;
  flex-shrink: 0;
  overflow: hidden;
  transition:
    border-color 0.55s ease,
    color 0.55s ease,
    background 0.55s ease,
    box-shadow 0.55s ease;
}

.status-pill.healthy {
  border-color: rgba(110, 231, 183, 0.35);
  color: var(--accent);
  background: rgba(110, 231, 183, 0.07);
  box-shadow: 0 0 20px rgba(110, 231, 183, 0.06);
}

.status-text-stack {
  flex: 1;
  min-width: 0;
  display: block;
  overflow: hidden;
}

#statusText {
  display: block;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: opacity 0.22s ease, transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

#statusText.is-swapping {
  opacity: 0;
  transform: translateY(5px);
}

#statusText.is-settled {
  animation: statusTextIn 0.42s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes statusTextIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.status-pill.syncing {
  border-color: rgba(96, 165, 250, 0.35);
  color: var(--blue);
  background: rgba(96, 165, 250, 0.07);
}

.status-pill.warning {
  border-color: rgba(251, 191, 36, 0.35);
  color: var(--yellow);
  background: rgba(251, 191, 36, 0.06);
}

.status-pill.stopped,
.status-pill.error {
  border-color: rgba(248, 113, 113, 0.35);
  color: var(--red);
  background: rgba(248, 113, 113, 0.06);
}

.status-pill.syncing .status-dot {
  background: var(--blue);
  box-shadow: 0 0 8px var(--blue);
}

.status-pill.warning .status-dot {
  background: var(--yellow);
  box-shadow: 0 0 8px var(--yellow);
}

.status-pill.stopped .status-dot,
.status-pill.error .status-dot {
  background: var(--red);
  box-shadow: 0 0 8px var(--red);
  animation: none;
}

.status-dot, .live-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s ease-in-out infinite;
  flex-shrink: 0;
  transition: background 0.55s ease, box-shadow 0.55s ease;
}

.live-dot.offline {
  background: var(--red);
  box-shadow: 0 0 8px var(--red);
  animation: none;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.updated {
  font-size: 0.72rem;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
  margin: 0;
}

.panel {
  background: linear-gradient(135deg, var(--surface) 0%, rgba(26, 31, 43, 0.95) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: visible;
  z-index: 2;
}

.panel::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(ellipse 60% 80% at 100% 0%, rgba(110, 231, 183, 0.05), transparent);
  pointer-events: none;
  z-index: 0;
}

.panel-head,
.metric-grid,
.detail-grid,
.chart-row,
.nodes-grid {
  position: relative;
  z-index: 1;
}

.panel-head {
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 18px;
  flex-wrap: wrap;
  position: relative;
}

.panel-head-main {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.panel-head h2 {
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  user-select: none;
  -webkit-user-select: none;
}

.panel-sub {
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 4px;
  user-select: none;
  -webkit-user-select: none;
}
.panel-meta {
  font-size: 0.76rem;
  color: var(--muted);
  font-family: var(--mono);
  text-align: left;
  line-height: 1.45;
  margin-top: 2px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  margin-bottom: 18px;
  position: relative;
  align-items: stretch;
}

@media (max-width: 1100px) { .metric-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 600px) { .metric-grid { grid-template-columns: repeat(2, 1fr); } }

.metric-card {
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 14px 12px;
  min-height: 140px;
  height: auto;
  contain: layout style;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.35s ease;
}

.metric-card.net,
.metric-card.disk-io {
  min-height: 156px;
}

.metric-card.has-tip { z-index: 1; }
.metric-card.has-tip:hover,
.metric-card.has-tip:focus-visible,
.metric-card.has-tip.tip-active { z-index: 60; }

.metric-card:hover,
.metric-card:focus-visible {
  outline: none;
}

.metric-card.cpu:hover, .metric-card.cpu:focus-visible { border-color: rgba(96, 165, 250, 0.35); box-shadow: 0 12px 32px rgba(0,0,0,0.35), 0 0 20px rgba(96,165,250,0.1); }
.metric-card.ram:hover, .metric-card.ram:focus-visible { border-color: rgba(167, 139, 250, 0.35); box-shadow: 0 12px 32px rgba(0,0,0,0.35), 0 0 20px rgba(167,139,250,0.1); }
.metric-card.swap:hover, .metric-card.swap:focus-visible { border-color: rgba(251, 191, 36, 0.35); }
.metric-card.net:hover, .metric-card.net:focus-visible { border-color: rgba(110, 231, 183, 0.35); box-shadow: 0 12px 32px rgba(0,0,0,0.35), 0 0 20px rgba(110,231,183,0.1); }
.metric-card.disk-io:hover, .metric-card.disk-io:focus-visible { border-color: rgba(251, 191, 36, 0.3); }
.metric-card.temp:hover, .metric-card.temp:focus-visible { border-color: rgba(248, 113, 113, 0.35); }

.metric-glow {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.metric-card:hover .metric-glow, .metric-card:focus-visible .metric-glow { opacity: 1; }
.metric-card.cpu .metric-glow { background: radial-gradient(circle at 30% 20%, rgba(96,165,250,0.15), transparent 60%); }
.metric-card.ram .metric-glow { background: radial-gradient(circle at 30% 20%, rgba(167,139,250,0.15), transparent 60%); }
.metric-card.net .metric-glow { background: radial-gradient(circle at 30% 20%, rgba(110,231,183,0.15), transparent 60%); }

.live-val.flash { animation: valFlash 0.55s ease; }

@keyframes valFlash {
  0% { color: var(--text); }
  40% { color: var(--accent); }
  100% { color: var(--text); }
}

.metric-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.metric-icon {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 7px;
  border-radius: 6px;
}

.metric-card.cpu .metric-icon { background: rgba(96, 165, 250, 0.15); color: var(--blue); }
.metric-card.ram .metric-icon { background: rgba(167, 139, 250, 0.15); color: var(--purple); }
.metric-card.swap .metric-icon { background: rgba(251, 191, 36, 0.12); color: var(--yellow); }
.metric-card.net .metric-icon { background: rgba(110, 231, 183, 0.15); color: var(--accent); }
.metric-card.disk-io .metric-icon { background: rgba(251, 191, 36, 0.12); color: var(--yellow); }
.metric-card.temp .metric-icon { background: rgba(248, 113, 113, 0.12); color: var(--red); }

.metric-head strong {
  font-family: var(--mono);
  font-size: 1.05rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  min-width: 4.8rem;
  text-align: right;
  white-space: nowrap;
  flex-shrink: 0;
}

.metric-bar {
  position: relative;
  height: 8px;
  background: var(--surface2);
  border-radius: 99px;
  overflow: hidden;
  margin-bottom: 8px;
}

.metric-fill {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 0%;
  border-radius: 99px;
  transition: none;
}

.metric-grid-wrap {
  position: relative;
  margin-bottom: 18px;
}

.metric-grid-wrap .metric-grid {
  margin-bottom: 0;
}

.metric-sync-slot {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  height: 22px;
  margin: -4px 0 8px;
  pointer-events: none;
}

.metric-sync-svg {
  width: 20px;
  height: 20px;
  display: block;
  overflow: visible;
}

.metric-sync-track {
  fill: none;
  stroke: rgba(255, 255, 255, 0.1);
  stroke-width: 2;
}

.metric-sync-arc {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 62.83;
  stroke-dashoffset: 62.83;
  transform-origin: 50% 50%;
  transform: rotate(-90deg);
  animation: metricSyncFill var(--metric-cycle-ms, 10s) linear infinite;
}

@keyframes metricSyncFill {
  from { stroke-dashoffset: 62.83; }
  to { stroke-dashoffset: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .metric-sync-arc {
    animation: none;
    stroke-dashoffset: 31.4;
    opacity: 0.55;
  }
}

.metric-grid-wrap.is-tweening .metric-fill,
.metric-grid-wrap.is-tweening .metric-io-fill {
  transition: width 1.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.metric-card.cpu .metric-fill { background: linear-gradient(90deg, var(--blue), #93c5fd); }
.metric-card.ram .metric-fill { background: linear-gradient(90deg, var(--purple), #c4b5fd); }
.metric-card.swap .metric-fill { background: linear-gradient(90deg, var(--yellow), #fcd34d); }
.metric-card.net .metric-fill.down { background: linear-gradient(90deg, var(--blue), #93c5fd); }
.metric-card.net .metric-fill.up { background: linear-gradient(90deg, var(--accent), #34d399); }
.metric-card.disk-io .metric-fill.read { background: linear-gradient(90deg, var(--yellow), #fcd34d); }
.metric-card.disk-io .metric-fill.write { background: linear-gradient(90deg, var(--orange), var(--accent)); }
.metric-card.temp .metric-fill { background: linear-gradient(90deg, var(--accent), var(--red)); }

.metric-bar-stacked {
  display: flex;
  gap: 2px;
  background: transparent;
  overflow: visible;
}

.metric-bar-stacked .metric-fill {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  border-radius: 99px;
}

.metric-card.crit {
  border-color: rgba(248, 113, 113, 0.4);
}

.metric-card.crit .live-val { color: var(--red); }

.metric-foot {
  font-size: 0.74rem;
  color: var(--muted);
  line-height: 1.4;
  margin-top: auto;
  white-space: normal;
  overflow: visible;
  word-break: break-word;
}

.metric-foot-sub {
  font-size: 0.68rem;
  color: var(--muted);
  margin-top: 4px;
  white-space: normal;
  overflow: visible;
  word-break: break-word;
  opacity: 0.85;
}

.metric-split-foot {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-top: auto;
}

.metric-split-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.metric-split-item span {
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  line-height: 1.2;
}

.metric-split-item strong {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  white-space: normal;
  overflow: visible;
  line-height: 1.3;
  min-width: 0;
  display: block;
}

.metric-split-item.down strong { color: var(--blue); }
.metric-split-item.up strong { color: var(--accent); }
.metric-split-item.read strong { color: var(--yellow); }
.metric-split-item.write strong { color: var(--orange); }

/* Stable dual-track I/O bars (NET / DISK) */
.metric-io-bars {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 8px;
  flex-shrink: 0;
}

.metric-io-row {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 12px;
}

.metric-io-tag {
  font-size: 0.58rem;
  font-weight: 700;
  width: 11px;
  flex-shrink: 0;
  text-align: center;
  color: var(--muted);
  line-height: 1;
}

.metric-io-tag.down { color: var(--blue); }
.metric-io-tag.up { color: var(--accent); }
.metric-io-tag.read { color: var(--yellow); }
.metric-io-tag.write { color: var(--orange); }

.metric-io-track {
  flex: 1;
  height: 5px;
  background: var(--surface2);
  border-radius: 99px;
  overflow: hidden;
  position: relative;
}

.metric-io-fill {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0%;
  border-radius: 99px;
  transition: none;
  will-change: width;
}

.metric-io-fill.down { background: linear-gradient(90deg, var(--blue), #93c5fd); }
.metric-io-fill.up { background: linear-gradient(90deg, var(--accent), #34d399); }
.metric-io-fill.read { background: linear-gradient(90deg, var(--yellow), #fcd34d); }
.metric-io-fill.write { background: linear-gradient(90deg, var(--orange), #fb923c); }

.metric-card.net .live-val,
.metric-card.disk-io .live-val {
  min-width: 6.75rem;
  width: 6.75rem;
  text-align: right;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 18px;
  position: relative;
  align-items: stretch;
}

@media (max-width: 960px) { .detail-grid { grid-template-columns: 1fr; } }

.detail-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 960px) { .detail-grid-2 { grid-template-columns: 1fr; } }

.iface-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.detail-block-ifaces {
  position: relative;
  z-index: 2;
  overflow: visible;
}

.detail-block-ifaces .iface-list {
  min-height: calc(var(--iface-row-h) * var(--iface-visible-rows));
}

.detail-block {
  background: rgba(0, 0, 0, 0.18);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  position: relative;
  overflow: hidden;
  min-height: 0;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.detail-block.has-tip { z-index: 1; }

.detail-block-ifaces.has-tip:hover,
.detail-block-ifaces.has-tip:focus-visible,
.detail-block-ifaces.has-tip.tip-active { z-index: 60; }

.detail-block-ifaces.has-tip.tip-active { z-index: 65; }
.detail-block.has-tip:hover,
.detail-block.has-tip:focus-visible,
.detail-block.has-tip.tip-active { z-index: 55; }

.detail-block:hover,
.detail-block:focus-visible {
  outline: none;
  border-color: rgba(110, 231, 183, 0.25);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.detail-block h3 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 10px;
}

.mount-row, .iface-row, .agg-row {
  display: block;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 0.8rem;
}

.mount-row:last-child, .iface-row:last-child { border-bottom: none; }

.mount-row-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 6px;
}

.mount-row-top span {
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.mount-row-top strong,
.iface-row strong, .agg-row strong {
  font-family: var(--mono);
  font-size: 0.74rem;
  white-space: nowrap;
  flex-shrink: 0;
}

.iface-row strong {
  min-width: 12.5rem;
  width: 12.5rem;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.mount-free {
  display: block;
  font-size: 0.7rem;
  color: var(--muted);
  margin-top: 6px;
  padding-top: 2px;
  line-height: 1.2;
}

.iface-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  height: var(--iface-row-h);
  min-height: var(--iface-row-h);
  box-sizing: border-box;
}

.iface-row-placeholder {
  visibility: hidden;
  pointer-events: none;
}

.iface-row.iface-active .iface-name { color: var(--text); }
.iface-row.iface-idle .iface-name { color: var(--muted); opacity: 0.75; }

.iface-tag {
  font-style: normal;
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  opacity: 0.7;
}

.mount-bar {
  height: 10px;
  background: var(--surface2);
  border-radius: 99px;
  margin-top: 4px;
  overflow: hidden;
}

.mount-bar-fill {
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--accent), var(--blue));
  transition: width 0.4s ease;
}

.metric-card.temp.warn .metric-fill { background: linear-gradient(90deg, var(--yellow), var(--red)); }

.metric-card.warn {
  border-color: rgba(251, 191, 36, 0.35);
}

.metric-card.swap.warn .metric-fill { background: linear-gradient(90deg, var(--yellow), var(--red)); }
.metric-card.swap.warn .live-val { color: var(--yellow); }

.chart-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  position: relative;
}

@media (max-width: 1100px) {
  .chart-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  .chart-row { grid-template-columns: 1fr; gap: 10px; }
}

.mount-row-main { flex: 1; min-width: 0; }

.hover-row {
  border-radius: 8px;
  padding: 6px 8px;
  margin: 0 -8px;
  transition: background 0.2s ease;
}

.hover-row:hover { background: rgba(110, 231, 183, 0.05); }

.chart-card {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px 8px;
  position: relative;
  overflow: visible;
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.chart-card.has-tip { z-index: 1; }
.chart-card.has-tip:hover,
.chart-card.has-tip:focus-visible { z-index: 50; }

.chart-card:hover,
.chart-card:focus-visible {
  outline: none;
  border-color: rgba(110, 231, 183, 0.28);
  transform: translateY(-1px);
}

.chart-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.chart-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  flex-shrink: 0;
}

.chart-current {
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--text);
  text-align: right;
  white-space: nowrap;
}

.chart-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 10px;
  margin-bottom: 8px;
}

.chart-stat {
  display: flex;
  align-items: baseline;
  gap: 5px;
  min-width: 0;
  font-size: 0.72rem;
  color: var(--muted);
}

.chart-stat em {
  font-style: normal;
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  opacity: 0.85;
  flex-shrink: 0;
}

.chart-stat strong {
  font-family: var(--mono);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chart-range {
  display: block;
  font-size: 0.62rem;
  color: rgba(139, 149, 168, 0.65);
  margin-top: 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.chart-card canvas { width: 100%; height: 72px; display: block; }

.nodes-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  position: relative;
  align-items: stretch;
}

@media (max-width: 1100px) {
  .nodes-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .nodes-grid { grid-template-columns: 1fr; }
}

.node-card.warn {
  border-color: rgba(251, 191, 36, 0.4) !important;
  box-shadow: 0 0 0 1px rgba(251, 191, 36, 0.08);
}

.node-card.crit {
  border-color: rgba(248, 113, 113, 0.45) !important;
  box-shadow: 0 0 20px rgba(248, 113, 113, 0.08);
}

.node-card {
  contain: layout style;
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

@media (max-width: 440px) { .nodes-grid { grid-template-columns: 1fr; } }

.node-card {
  text-decoration: none;
  color: inherit;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px 18px 16px;
  transition: border-color 0.3s ease, transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.35s ease;
  cursor: pointer;
  position: relative;
}

.node-card.has-tip { z-index: 1; }
.node-card.has-tip.tip-active { z-index: 70; }

@media (hover: hover) and (pointer: fine) {
  .node-card.has-tip:hover,
  .node-card.has-tip:focus-visible { z-index: 2; }
}

.node-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
}

.node-card.pulse:hover { border-color: rgba(110, 231, 183, 0.45); box-shadow: 0 16px 40px rgba(0,0,0,0.45), 0 0 24px rgba(110,231,183,0.1); }
.node-card.eth:hover { border-color: rgba(167, 139, 250, 0.45); box-shadow: 0 16px 40px rgba(0,0,0,0.45), 0 0 24px rgba(167,139,250,0.1); }
.node-card.indexer:hover { border-color: rgba(251, 146, 60, 0.45); box-shadow: 0 16px 40px rgba(0,0,0,0.45), 0 0 24px rgba(251,146,60,0.1); }

.node-card.offline { opacity: 0.65; border-style: dashed; }

.node-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
}

.node-identity h3 { font-size: 1.05rem; font-weight: 700; letter-spacing: -0.02em; line-height: 1.3; }
.node-identity p { font-size: 0.78rem; color: var(--muted); margin-top: 5px; line-height: 1.4; }

.node-badge {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 9px;
  border-radius: 99px;
  white-space: nowrap;
}

.node-badge.healthy { background: rgba(110, 231, 183, 0.15); color: var(--accent); }
.node-badge.syncing { background: rgba(96, 165, 250, 0.15); color: var(--blue); }
.node-badge.warning { background: rgba(251, 191, 36, 0.12); color: var(--yellow); }
.node-badge.stopped, .node-badge.offline { background: rgba(248, 113, 113, 0.12); color: var(--red); }

.node-sync-ring {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 18px;
  padding-right: 2px;
}

.ring-column {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  width: 80px;
}

.ring-wrap {
  position: relative;
  width: 80px;
  height: 80px;
  flex-shrink: 0;
}
.ring-wrap svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring-bg { fill: none; stroke: var(--surface2); stroke-width: 7; }
.ring-fg { fill: none; stroke-width: 7; stroke-linecap: round; transition: stroke-dashoffset 0.6s ease; }
.node-card.pulse .ring-fg { stroke: var(--accent); }
.node-card.eth .ring-fg { stroke: var(--purple); }
.node-card.indexer .ring-fg { stroke: var(--orange); }

.ring-center {
  position: absolute;
  inset: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.ring-pct {
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
}

.ring-lbl {
  font-size: 0.58rem;
  text-transform: uppercase;
  color: var(--muted);
  letter-spacing: 0.05em;
  line-height: 1.2;
  text-align: center;
  width: 100%;
  max-width: 80px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sync-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-left: 4px;
}
.sync-stage {
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.sync-msg {
  font-size: 0.72rem;
  color: var(--muted);
  line-height: 1.55;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  word-break: break-word;
  margin-top: 2px;
}

.node-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
  flex: 1;
}

@media (max-width: 480px) { .node-stats { grid-template-columns: repeat(2, 1fr); } }

.node-foot .open-link .arrow {
  display: inline-block;
  transition: transform 0.25s ease;
}

.node-card:hover .open-link .arrow { transform: translateX(4px); }

.node-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 10px;
  padding: 10px 12px;
  min-height: 54px;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.node-card:hover .node-stat {
  border-color: rgba(255, 255, 255, 0.07);
}

.node-stat span {
  display: block;
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  line-height: 1.3;
}

.node-stat strong {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 600;
  line-height: 1.35;
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.node-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  font-size: 0.74rem;
  color: var(--muted);
  margin-top: auto;
  line-height: 1.4;
}

.node-foot .open-link {
  color: var(--accent);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  padding: 0;
}

.node-card.eth .open-link { color: var(--purple); }
.node-card.indexer .open-link { color: var(--orange); }

.health-dots { display: flex; gap: 4px; align-items: center; }
.health-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--red); }
.health-dot.ok { background: var(--accent); }

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px 20px;
  color: var(--muted);
  font-size: 0.9rem;
}

/* ── Entrance animations ── */
.anim-panel { animation: panelIn 0.55s ease both; }
.nodes-panel { animation-delay: 0.08s; }

.anim-card {
  animation: cardIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) both;
  animation-delay: calc(var(--i, 0) * 0.04s + 0.05s);
}

@keyframes panelIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes cardIn {
  from { opacity: 0; transform: translateY(10px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.brand-icon { animation: iconFloat 4s ease-in-out infinite; }

@keyframes iconFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

.summary-pill {
  position: relative;
  transition: border-color 0.25s ease, transform 0.25s ease, background 0.25s ease;
}

.summary-pill.has-tip:hover,
.summary-pill.has-tip:focus-visible {
  border-color: rgba(110, 231, 183, 0.3);
  transform: translateY(-1px);
  background: rgba(110, 231, 183, 0.06);
}

.status-pill.has-tip {
  position: relative;
  cursor: help;
  transition: transform 0.2s ease, box-shadow 0.25s ease;
}

.status-pill.has-tip:hover { transform: translateY(-1px); }

.sys-panel:has(.metric-card:hover),
.sys-panel:has(.detail-block:hover),
.sys-panel:has(.chart-card:hover) { z-index: 50; }

.sys-panel .metric-card,
.sys-panel .detail-block,
.sys-panel .chart-card {
  isolation: isolate;
}

/* Only one tooltip visible in system panel at a time */
.sys-panel:has(.has-tip:hover) .has-tip:not(:hover) > .tip-popover {
  opacity: 0 !important;
  visibility: hidden !important;
}

::selection {
  background: rgba(110, 231, 183, 0.25);
  color: var(--text);
}

/* ── Tooltips ── */
.has-tip { position: relative; }

.tip-popover {
  position: absolute;
  min-width: 220px;
  max-width: min(320px, calc(100vw - 48px));
  padding: 12px 14px;
  background: rgb(18, 21, 28);
  border: 1px solid rgba(110, 231, 183, 0.22);
  border-radius: 12px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.55);
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--muted);
  z-index: 400;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.28s cubic-bezier(0.34, 1.56, 0.64, 1), visibility 0.22s;
  white-space: normal;
}

.tip-popover strong {
  display: block;
  color: var(--text);
  font-weight: 600;
  font-size: 0.8rem;
  margin-bottom: 6px;
}

.tip-popover .tip-line {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  padding: 3px 0;
}

.tip-popover .tip-line span:first-child { flex: 1; min-width: 0; line-height: 1.35; }
.tip-popover .tip-line span:last-child {
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.74rem;
  text-align: right;
  flex-shrink: 0;
}

.tip-popover p {
  margin: 6px 0 0;
  padding-top: 6px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.72rem;
  line-height: 1.45;
}

.tip-popover.tip-below {
  bottom: auto;
  top: calc(100% + 10px);
  left: 50%;
  right: auto;
  transform: translateX(-50%) translateY(-8px) scale(0.96);
}

.tip-popover.tip-above {
  top: auto;
  bottom: calc(100% + 10px);
  left: 50%;
  right: auto;
  transform: translateX(-50%) translateY(8px) scale(0.96);
}

.tip-popover.tip-wide { max-width: min(360px, calc(100vw - 32px)); }

.has-tip:hover > .tip-popover.tip-below {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0) scale(1);
}

.has-tip:hover > .tip-popover.tip-above {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0) scale(1);
}

/* Desktop: hover-only tooltips — no sticky focus popovers */
@media (hover: hover) and (pointer: fine) {
  .sys-panel .has-tip:focus-visible > .tip-popover,
  .nodes-panel .node-card:focus-visible > .tip-popover {
    opacity: 0;
    visibility: hidden;
  }

  .node-card > .tip-popover { display: none !important; }
}

.tip-popover.tip-header {
  top: calc(100% + 10px);
  bottom: auto;
  left: auto;
  right: 0;
  transform: translateY(-6px) scale(0.96);
}

.has-tip:hover > .tip-popover.tip-header,
.has-tip:focus-visible > .tip-popover.tip-header {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.tip-popover.tip-pill {
  top: calc(100% + 8px);
  right: 50%;
  transform: translateX(50%) translateY(-6px) scale(0.96);
  min-width: 160px;
  text-align: center;
}

.summary-pill.has-tip:hover > .tip-popover.tip-pill {
  transform: translateX(50%) translateY(0) scale(1);
}

.detail-block .tip-popover.tip-above,
.chart-card .tip-popover.tip-above {
  max-height: min(260px, 45vh);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.metric-card .tip-popover.tip-above,
.detail-block .tip-popover.tip-above,
.chart-card .tip-popover.tip-above,
.node-card .tip-popover.tip-below { z-index: 450; }

.has-tip:focus-visible:not(:hover) > .tip-popover { opacity: 0; visibility: hidden; }

.mobile-hint {
  display: none;
  width: 100%;
  font-size: 0.74rem;
  color: var(--muted);
  text-align: center;
  margin-top: 4px;
}

.mobile-hint.hidden { display: none !important; }

/* ── Mobile tip sheet ── */
.mobile-tip-backdrop {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 12px;
  padding-bottom: max(12px, env(safe-area-inset-bottom));
  background: rgba(0, 0, 0, 0);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: background 0.34s ease, opacity 0.34s ease, visibility 0.34s;
}

.mobile-tip-backdrop.is-visible {
  background: rgba(0, 0, 0, 0.62);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mobile-tip-backdrop.is-closing {
  background: rgba(0, 0, 0, 0);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.mobile-tip-backdrop.hidden { display: none !important; }

.mobile-tip-sheet {
  width: 100%;
  max-width: 480px;
  max-height: min(70vh, 520px);
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid rgba(110, 231, 183, 0.2);
  border-radius: 20px 20px 16px 16px;
  padding: 20px 18px 24px;
  transform: translateY(100%);
  transition: transform 0.34s cubic-bezier(0.34, 1.56, 0.64, 1);
  -webkit-overflow-scrolling: touch;
}

.mobile-tip-backdrop.is-visible .mobile-tip-sheet { transform: translateY(0); }
.mobile-tip-backdrop.is-closing .mobile-tip-sheet { transform: translateY(100%); }

.mobile-tip-close {
  position: absolute;
  top: 12px;
  right: 14px;
  width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.3);
  color: var(--muted);
  font-size: 0.9rem;
  cursor: pointer;
}

.mobile-tip-content strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 12px;
  padding-right: 36px;
}

.mobile-tip-content .tip-line {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.85rem;
}

.mobile-tip-content .tip-line span:last-child {
  font-family: var(--mono);
  color: var(--text);
}

.mobile-tip-content p {
  margin-top: 12px;
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.45;
}

body.tip-open { overflow: hidden; }

/* ── Mobile responsive ── */
@media (max-width: 768px) {
  .mobile-hint { display: block; }

  .app {
    padding: max(14px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) max(36px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
  }

  .header-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding: 12px 14px;
  }

  .header-vrule { display: none; }

  .header-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .summary-pills {
    justify-content: center;
    width: 100%;
  }

  .status-group {
    justify-content: space-between;
    width: 100%;
  }

  .status-pill {
    width: auto;
    min-width: 0;
    max-width: none;
    flex: 1;
  }

  .iface-row strong {
    min-width: 9.5rem;
    width: 9.5rem;
    font-size: 0.68rem;
  }

  .header {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    margin-bottom: 16px;
    position: sticky;
    top: 0;
    z-index: 90;
    padding: 10px 0 14px;
    background: rgba(10, 12, 16, 0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    margin-left: -12px;
    margin-right: -12px;
    padding-left: 12px;
    padding-right: 12px;
  }

  .header-right { align-items: stretch; text-align: left; }
  .summary-pills { justify-content: flex-start; }
  .brand h1 { font-size: 1.15rem; }
  .subtitle { font-size: 0.76rem; word-break: break-word; }

  .panel { padding: 14px 12px; border-radius: 14px; overflow: hidden; }
  .panel-head { flex-direction: column; gap: 6px; }
  .panel-meta { text-align: left; }

  .metric-grid { gap: 10px; }
  .metric-card { min-height: 140px; height: auto; padding: 12px; }
  .metric-card.net,
  .metric-card.disk-io { min-height: 152px; }
  .metric-head strong { font-size: 0.95rem; }

  .detail-block { padding: 12px; }
  .mount-row, .iface-row, .agg-row { font-size: 0.74rem; }
  .iface-row { grid-template-columns: 1fr; gap: 4px; }
  .mount-row strong, .iface-row strong { white-space: normal; text-align: left; }

  .chart-row { gap: 10px; }
  .chart-card {
    padding: 12px 14px 10px;
  }
  .chart-current { font-size: 0.9rem; }
  .chart-stat { font-size: 0.76rem; }
  .chart-stat strong { font-size: 0.76rem; }
  .chart-card canvas { height: 88px; }

  .nodes-grid { grid-template-columns: 1fr; gap: 12px; }
  .node-card { padding: 14px; }
  .node-sync-ring { flex-direction: column; align-items: flex-start; gap: 10px; }
  .sync-stage { font-size: 0.78rem; }
  .sync-msg { font-size: 0.7rem; word-break: break-word; }
  .node-foot { flex-wrap: wrap; gap: 6px; }
  .node-foot .open-link { margin-left: auto; }

  .has-tip > .tip-popover { display: none !important; }

  .metric-card:hover,
  .metric-card:focus-visible,
  .detail-block:hover,
  .chart-card:hover,
  .node-card:hover {
    transform: none;
    box-shadow: none;
  }

  .metric-card.has-tip.tip-active,
  .detail-block.has-tip.tip-active,
  .node-card.has-tip.tip-active {
    border-color: rgba(110, 231, 183, 0.4) !important;
    box-shadow: 0 0 0 2px rgba(110, 231, 183, 0.12);
  }

  .node-card.pulse.has-tip.tip-active { border-color: rgba(110, 231, 183, 0.45) !important; }
  .node-card.eth.has-tip.tip-active { border-color: rgba(167, 139, 250, 0.45) !important; }
  .node-card.indexer.has-tip.tip-active { border-color: rgba(251, 146, 60, 0.45) !important; }

  .metric-glow, .node-shine { display: none; }

  .node-card:hover {
    transform: none;
    box-shadow: none;
  }
}

@media (max-width: 400px) {
  .metric-grid { grid-template-columns: 1fr 1fr; }
  .node-stats { grid-template-columns: 1fr 1fr; }
  .summary-pill { font-size: 0.68rem; padding: 3px 8px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .mobile-tip-backdrop, .mobile-tip-sheet { transition-duration: 0.01ms !important; }
}