:root {
  --bg: #f9fafb;
  --text: #111;
  --primary: #2563eb;
}

.dark {
  --bg: #111827;
  --text: #f9fafb;
}

* {
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

header {
  padding: 16px;
  display: flex;
  justify-content: space-between;
  background: white;
}

.container {
  padding: 20px;
}

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

th, td {
  padding: 12px;
  border-bottom: 1px solid #ddd;
  cursor: pointer;
}

tr:hover {
  background: rgba(0,0,0,0.05);
}

.chart-box {
  margin: 20px 0;
}

.filters button {
  margin-right: 6px;
}

.filters .active {
  background: var(--primary);
  color: white;
}

.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
}

.modal-content {
  background: white;
  margin: 10% auto;
  padding: 20px;
  max-width: 400px;
}

#closeModal {
  float: right;
  cursor: pointer;
}