* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f8fafc;
  color: #1f2937;
}

header {
  background: #1d3557;
  color: #fff;
  padding: 16px 24px;
}

h1,
h2 {
  margin: 0 0 8px;
}

.header-actions {
  display: flex;
  gap: 10px;
  margin: 8px 0;
}

.header-actions a {
  color: #fff;
  text-decoration: none;
  background: #457b9d;
  padding: 8px 12px;
  border-radius: 6px;
}

.meta {
  margin: 8px 0 0;
  opacity: 0.9;
}

main {
  padding: 20px;
  display: grid;
  gap: 16px;
}

.chart-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.card {
  background: #fff;
  border-radius: 10px;
  padding: 16px;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.06);
}

canvas {
  width: 100% !important;
  height: 320px !important;
}

.status-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.status-links a {
  text-decoration: none;
  color: #1d3557;
  padding: 6px 10px;
  border: 1px solid #d1d5db;
  border-radius: 20px;
}

.status-links a.active {
  background: #1d3557;
  color: #fff;
}

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

th,
td {
  border-bottom: 1px solid #e5e7eb;
  text-align: left;
  padding: 10px 8px;
  vertical-align: top;
}

.empty {
  text-align: center;
  color: #6b7280;
}

.error-wrap {
  padding: 24px;
}

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