:root {
  --bg: #0a0e14;
  --surface: #121820;
  --surface-2: #1a2230;
  --border: #2a3548;
  --text: #e8edf5;
  --muted: #8b9bb4;
  --accent: #5eead4;
  --accent-2: #818cf8;
  --accent-3: #fbbf24;
  --danger: #f87171;
  --success: #4ade80;
  --slot-0: #5eead4;
  --slot-1: #818cf8;
  --slot-2: #fbbf24;
  --slot-3: #f472b6;
  --radius: 14px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

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

body {
  font-family: "Outfit", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(94, 234, 212, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(94, 234, 212, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 80%);
}

.app {
  position: relative;
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.header-left {
  display: flex;
  gap: 16px;
  align-items: center;
}

.logo {
  font-size: 2.4rem;
  line-height: 1;
  filter: drop-shadow(0 0 12px rgba(94, 234, 212, 0.4));
}

h1 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.subtitle {
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  margin-top: 2px;
}

.header-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 0.9rem;
  font-weight: 500;
}

.status-pill .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--muted);
}

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

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

.last-update {
  color: var(--muted);
  font-size: 0.82rem;
  font-family: "JetBrains Mono", monospace;
}

.metrics-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.metric-card {
  background: linear-gradient(145deg, var(--surface) 0%, var(--surface-2) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
}

.metric-card .label {
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

.metric-card .value {
  font-size: 1.38rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

.metric-card .sub {
  color: var(--muted);
  font-size: 0.8rem;
  margin-top: 4px;
}

.charts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.panel.wide {
  grid-column: span 2;
}

.panel-head {
  padding: 16px 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.panel-head h2 {
  font-size: 1rem;
  font-weight: 600;
}

.panel-head .hint {
  color: var(--muted);
  font-size: 0.78rem;
}

.chart-wrap {
  padding: 12px 16px 16px;
  height: 240px;
  position: relative;
}

.section-title {
  font-size: 1.1rem;
  margin-bottom: 14px;
  font-weight: 600;
}

.slots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 16px;
}

.slot-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  transition: border-color 0.2s;
}

.slot-card.processing {
  border-color: rgba(94, 234, 212, 0.45);
}

.slot-card.idle {
  border-color: var(--border);
}

.slot-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.slot-id {
  font-size: 1.1rem;
  font-weight: 700;
}

.badge {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: 999px;
}

.badge.processing {
  background: rgba(94, 234, 212, 0.15);
  color: var(--accent);
}

.badge.idle {
  background: rgba(139, 155, 180, 0.15);
  color: var(--muted);
}

.progress-block {
  margin-bottom: 16px;
}

.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 6px;
}

.progress-bar {
  height: 8px;
  background: var(--surface-2);
  border-radius: 999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.4s ease;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.stat {
  background: var(--surface-2);
  border-radius: 10px;
  padding: 10px 12px;
}

.stat .k {
  color: var(--muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat .v {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.95rem;
  font-weight: 600;
  margin-top: 2px;
}

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

  .panel.wide {
    grid-column: span 1;
  }
}