* { box-sizing: border-box; }

body {
  font-family: system-ui, sans-serif;
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem;
  color: #222;
  background: #fff;
}

nav {
  display: flex;
  gap: 1rem;
  align-items: center;
  border-bottom: 1px solid #ccc;
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}

nav a {
  text-decoration: none;
  color: #06c;
}

nav form {
  margin-left: auto;
}

table {
  border-collapse: collapse;
  width: 100%;
  margin-bottom: 1.5rem;
}

th, td {
  border: 1px solid #ddd;
  padding: 0.4rem 0.6rem;
  text-align: left;
}

th {
  background: #f2f2f2;
}

tr:nth-child(even) {
  background: #fafafa;
}

.neg {
  color: #b00;
}

.warning {
  background: #fff3cd;
  border: 1px solid #e0c26b;
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  border-radius: 4px;
}

.total-balance {
  font-size: 1.5rem;
  font-weight: bold;
  margin-bottom: 1rem;
}

fieldset {
  margin-bottom: 1.5rem;
}

form.filter-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: end;
  margin-bottom: 1rem;
}

form.filter-form label {
  display: flex;
  flex-direction: column;
  font-size: 0.85rem;
}

iframe.grafana {
  width: 100%;
  height: 480px;
  border: 1px solid #ccc;
}

button {
  cursor: pointer;
}