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

body {
  background: #0b1120;
  color: #e2e8f0;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  min-height: 100vh;
  padding: 2rem 1rem;
}

.container {
  max-width: 960px;
  margin: 0 auto;
}

/* Header */
.header {
  text-align: center;
  margin-bottom: 2rem;
}

.header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: #f1f5f9;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.header .subtitle {
  font-size: 0.95rem;
  color: #64748b;
  font-weight: 400;
}

.header .subtitle span {
  color: #94a3b8;
}

.header .subtitle .sep {
  margin: 0 0.4rem;
  color: #334155;
}

/* Summary Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.card {
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 10px;
  padding: 1rem 1.25rem;
  text-align: center;
}

.card .label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #64748b;
  margin-bottom: 0.35rem;
}

.card .value {
  font-size: 1.35rem;
  font-weight: 700;
  color: #f1f5f9;
}

.card .value.green { color: #34d399; }
.card .value.red { color: #f87171; }
.card .value.blue { color: #60a5fa; }
.card .value.yellow { color: #fbbf24; }

/* Table */
.table-wrapper {
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.table-wrapper h2 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #94a3b8;
  padding: 1rem 1.25rem 0.75rem;
  border-bottom: 1px solid #334155;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th {
  background: #162032;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #64748b;
  padding: 0.65rem 1rem;
  text-align: center;
  font-weight: 600;
}

td {
  padding: 0.7rem 1rem;
  text-align: center;
  font-size: 0.9rem;
  border-top: 1px solid #1a2640;
  font-variant-numeric: tabular-nums;
}

tr:hover td {
  background: #162032;
}

td.green { color: #34d399; }
td.red { color: #f87171; }

/* Footer */
.footer {
  text-align: center;
  font-size: 0.75rem;
  color: #475569;
}

.footer .dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: #34d399;
  border-radius: 50%;
  margin-right: 0.4rem;
  vertical-align: middle;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* Empty state */
.empty {
  text-align: center;
  padding: 4rem 2rem;
}

.empty h2 {
  color: #475569;
  font-size: 1.1rem;
  font-weight: 500;
}

.empty p {
  color: #334155;
  font-size: 0.85rem;
  margin-top: 0.5rem;
}

/* Responsive */
@media (max-width: 600px) {
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }

  table {
    font-size: 0.8rem;
  }

  th, td {
    padding: 0.5rem 0.6rem;
  }
}