:root {
  --bg: #0a0e14;
  --bg-soft: #0d1219;
  --surface: #111822;
  --surface-2: #16202c;
  --border: rgba(148, 175, 205, 0.12);
  --border-strong: rgba(148, 175, 205, 0.22);
  --ink: #e7eef7;
  --muted: #8fa0b5;
  --muted-2: #64748b;
  --mint: #3dffa8;
  --mint-dim: rgba(61, 255, 168, 0.14);
  --blue: #5b9dff;
  --blue-dim: rgba(91, 157, 255, 0.14);
  --violet: #a78bfa;
  --warm: #ffb454;
  --warm-dim: rgba(255, 180, 84, 0.14);
  --danger: #ff6b8a;
  --danger-dim: rgba(255, 107, 138, 0.14);
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
  --font: "Inter", "SF Pro Display", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", "Cascadia Code", "Consolas", ui-monospace, monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
}

body {
  overflow-x: hidden;
}

code {
  font-family: var(--mono);
  font-size: 0.92em;
  color: var(--mint);
}

.mono {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 175, 205, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 175, 205, 0.045) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at top, #000 20%, transparent 75%);
  pointer-events: none;
}

.bg-glow {
  position: fixed;
  top: -180px;
  left: 50%;
  width: 900px;
  height: 420px;
  transform: translateX(-50%);
  background:
    radial-gradient(circle at 30% 40%, rgba(61, 255, 168, 0.12), transparent 55%),
    radial-gradient(circle at 70% 30%, rgba(91, 157, 255, 0.12), transparent 50%);
  filter: blur(10px);
  pointer-events: none;
}

.app {
  position: relative;
  width: min(1440px, calc(100% - 32px));
  margin: 0 auto;
  padding: 22px 0 40px;
}

/* Top bar */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

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

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: var(--mint);
  background:
    linear-gradient(160deg, rgba(61, 255, 168, 0.16), rgba(91, 157, 255, 0.08));
  border: 1px solid rgba(61, 255, 168, 0.22);
}

.brand-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-sub {
  color: var(--muted);
  font-size: 12px;
  margin-top: 1px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--muted-2);
  box-shadow: 0 0 0 0 rgba(143, 160, 181, 0.4);
}

.status-dot.ok {
  background: var(--mint);
  box-shadow: 0 0 0 4px rgba(61, 255, 168, 0.12);
  animation: pulse 2s ease-out infinite;
}

.status-dot.warn {
  background: var(--warm);
  box-shadow: 0 0 0 4px rgba(255, 180, 84, 0.12);
}

.status-dot.err {
  background: var(--danger);
  box-shadow: 0 0 0 4px rgba(255, 107, 138, 0.12);
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(61, 255, 168, 0.28); }
  70% { box-shadow: 0 0 0 8px rgba(61, 255, 168, 0); }
  100% { box-shadow: 0 0 0 0 rgba(61, 255, 168, 0); }
}

.meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  font-size: 12px;
  color: var(--muted);
}

.meta-label {
  color: var(--muted-2);
}

.btn {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 9px 14px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: 0.18s ease;
  color: var(--ink);
  background: transparent;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn.primary {
  background: linear-gradient(180deg, #52ffb4, #2fe090);
  color: #062016;
  box-shadow: 0 10px 24px rgba(61, 255, 168, 0.18);
}

.btn.ghost {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--border);
  color: var(--ink);
}

.btn.ghost:hover {
  border-color: var(--border-strong);
  background: rgba(255, 255, 255, 0.05);
}

.btn.sm {
  padding: 7px 11px;
  font-size: 12px;
  border-radius: 10px;
}

/* Cards */
.card {
  position: relative;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.025), transparent 28%),
    var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.hero-main {
  padding: 22px;
  overflow: hidden;
}

.hero-main::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--mint), var(--blue), transparent);
  opacity: 0.85;
}

.card-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.eyebrow {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--mint);
  background: var(--mint-dim);
  border: 1px solid rgba(61, 255, 168, 0.22);
}

.chip.demo {
  color: var(--warm);
  background: var(--warm-dim);
  border-color: rgba(255, 180, 84, 0.25);
}

.uptime-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin: 8px 0 18px;
}

.uptime-value {
  font-size: clamp(42px, 6vw, 64px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  background: linear-gradient(180deg, #ffffff, #9dffd0 120%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.uptime-side {
  min-width: 150px;
  text-align: right;
}

.side-label {
  color: var(--muted-2);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.side-value {
  color: var(--ink);
  font-size: 13px;
  margin-top: 2px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.stat-label {
  color: var(--muted-2);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.stat-value {
  margin-top: 4px;
  font-size: 15px;
  font-weight: 650;
}

.hero-kpis {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.kpi {
  padding: 16px 16px 12px;
  min-height: 118px;
  overflow: hidden;
}

.kpi-label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.kpi-value {
  margin-top: 8px;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}

.kpi-unit {
  margin-top: 4px;
  color: var(--muted-2);
  font-size: 11px;
}

.spark {
  width: 100%;
  height: 42px;
  margin-top: 8px;
  display: block;
  opacity: 0.95;
}

.meter {
  margin-top: 12px;
  height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.meter-fill {
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, #2fe090, #7dffcb);
  transition: width 0.4s ease;
}

.meter-fill.warm {
  background: linear-gradient(90deg, #ff9f43, #ffd28a);
}

/* Panels */
.grid-2 {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 16px;
}

.panel {
  padding: 18px;
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.panel-head h2 {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.panel-head p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--muted);
  font-size: 11px;
}

.legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.swatch {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.swatch.mint { background: var(--mint); }
.swatch.blue { background: var(--blue); }
.swatch.violet { background: var(--violet); }
.swatch.warm { background: var(--warm); }

.chart {
  width: 100%;
  height: 280px;
  display: block;
}

.chart.short {
  height: 180px;
  margin-top: 8px;
}

/* Latency */
.latency-card {
  padding: 18px;
}

.latency-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 8px 0 14px;
}

.latency-num {
  margin-top: 4px;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.bar-list {
  display: grid;
  gap: 8px;
}

.bar-row {
  display: grid;
  grid-template-columns: 54px 1fr 48px;
  gap: 8px;
  align-items: center;
  color: var(--muted);
  font-size: 11px;
}

.bar-track {
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, rgba(91, 157, 255, 0.55), var(--mint));
}

.bar-fill.warm {
  background: linear-gradient(90deg, rgba(255, 159, 67, 0.7), var(--warm));
}

/* Table */
.table-wrap {
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
}

.table {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
}

.table th,
.table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.table th {
  color: var(--muted-2);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.02);
}

.table td {
  color: var(--ink);
  font-size: 13px;
}

.table tr:last-child td {
  border-bottom: 0;
}

.table .empty {
  text-align: center;
  color: var(--muted);
  padding: 28px 12px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
}

.badge.ok {
  color: var(--mint);
  background: var(--mint-dim);
  border: 1px solid rgba(61, 255, 168, 0.2);
}

.badge.warn {
  color: var(--warm);
  background: var(--warm-dim);
  border: 1px solid rgba(255, 180, 84, 0.2);
}

.badge.err {
  color: var(--danger);
  background: var(--danger-dim);
  border: 1px solid rgba(255, 107, 138, 0.2);
}

.badge.muted {
  color: var(--muted);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
}

/* Token summary */
.token-summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 4px 0 8px;
}

.token-block {
  padding: 14px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border);
}

.big-num {
  margin-top: 6px;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.03em;
}

/* Health */
.raw-panel {
  margin-bottom: 16px;
}

.health-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.health-item {
  padding: 14px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border);
  min-height: 82px;
}

.health-line {
  margin-top: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
}

/* Footer */
.footer {
  display: flex;
  justify-content: center;
  gap: 8px;
  color: var(--muted-2);
  font-size: 12px;
  padding: 8px 0 4px;
}

.footer .sep {
  opacity: 0.5;
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(4, 8, 12, 0.62);
  backdrop-filter: blur(8px);
  display: grid;
  place-items: center;
  z-index: 50;
  padding: 20px;
}

.modal[hidden] {
  display: none;
}

.modal-card {
  width: min(480px, 100%);
  padding: 20px;
}

.field {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.field input[type="text"],
.field input[type="number"] {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--ink);
  padding: 11px 12px;
  font: inherit;
  outline: none;
}

.field input:focus {
  border-color: rgba(61, 255, 168, 0.4);
  box-shadow: 0 0 0 3px rgba(61, 255, 168, 0.1);
}

.field.checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  grid-template-columns: none;
}

.field.checkbox input {
  width: 16px;
  height: 16px;
  accent-color: var(--mint);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 8px;
}

/* Responsive */
@media (max-width: 1100px) {
  .hero,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

  .health-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .app {
    width: min(100% - 20px, 1440px);
    padding-top: 14px;
  }

  .topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .topbar-actions {
    justify-content: flex-start;
  }

  .hero-kpis {
    grid-template-columns: 1fr;
  }

  .uptime-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .uptime-side {
    text-align: left;
  }

  .hero-stats,
  .token-summary,
  .health-grid {
    grid-template-columns: 1fr;
  }

  .latency-values {
    grid-template-columns: 1fr;
  }
}

/* ===== Multi-instance ===== */
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 8px 2px 12px;
}

.section-head h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.fleet {
  padding: 20px 22px;
  margin-bottom: 18px;
  overflow: hidden;
}

.fleet::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--mint), var(--blue), transparent);
}

.fleet-stats {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  margin-top: 8px;
}

.fleet-num {
  margin-top: 6px;
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}

.instance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.instance-card {
  padding: 16px;
  cursor: pointer;
  transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.instance-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-strong);
}

.instance-card.selected {
  border-color: rgba(61, 255, 168, 0.45);
  box-shadow: 0 0 0 1px rgba(61, 255, 168, 0.2), var(--shadow);
}

.instance-card.selected::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--mint), var(--blue));
}

.inst-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.inst-name {
  font-size: 15px;
  font-weight: 700;
  max-width: 65%;
}

.inst-uptime {
  margin-top: 12px;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.03em;
  background: linear-gradient(180deg, #fff, #b8ffe0);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.inst-status {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.inst-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.inst-metrics span {
  display: block;
  color: var(--muted-2);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.inst-metrics strong {
  display: block;
  margin-top: 3px;
  font-size: 14px;
  font-weight: 650;
}

.inst-foot {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-top: 12px;
  color: var(--muted-2);
  font-size: 11px;
}

.empty-panel {
  padding: 28px 22px;
  color: var(--muted);
  grid-column: 1 / -1;
}

.empty-panel strong {
  display: block;
  color: var(--ink);
  font-size: 15px;
  margin-bottom: 8px;
}

.empty-panel p {
  margin: 0;
  line-height: 1.7;
}

.empty-panel code {
  font-size: 12px;
}

.detail-layout {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

@media (max-width: 1100px) {
  .fleet-stats {
    grid-template-columns: repeat(3, 1fr);
  }
  .detail-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .fleet-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .inst-metrics {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== GPU ===== */
.gpu-fleet {
  padding: 18px 22px;
  margin-bottom: 14px;
}

.gpu-charts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.chart-label {
  color: var(--muted);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.gpu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.gpu-card {
  padding: 16px;
  overflow: hidden;
}

.gpu-card .gpu-name {
  font-size: 14px;
  font-weight: 700;
  margin-top: 2px;
}

.gpu-card .gpu-idx {
  color: var(--muted-2);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.gpu-util-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-top: 12px;
}

.gpu-util-num {
  font-family: var(--mono);
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}

.gpu-stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 14px;
}

.gpu-stat {
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border);
}

.gpu-stat .val {
  margin-top: 3px;
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 650;
}

.gpu-bar {
  margin-top: 12px;
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.gpu-bar > i {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, #2fe090, #7dffcb);
  transition: width 0.35s ease;
}

.gpu-bar > i.hot {
  background: linear-gradient(90deg, #ff9f43, #ffd28a);
}

.gpu-bar > i.crit {
  background: linear-gradient(90deg, #ff6b8a, #ffa0b0);
}

.gpu-foot {
  margin-top: 10px;
  display: flex;
  justify-content: space-between;
  color: var(--muted-2);
  font-size: 11px;
}

.health-grid {
  grid-template-columns: repeat(5, 1fr);
}

@media (max-width: 1100px) {
  .gpu-charts {
    grid-template-columns: 1fr;
  }
  .health-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 720px) {
  .health-grid {
    grid-template-columns: 1fr 1fr;
  }
}