body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f5f7fb;
  color: #1f2937;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  background: #fff;
  border: 1px solid #dde3ed;
  border-radius: 10px;
  padding: 10px 12px;
}

.nav a {
  margin-right: 10px;
  text-decoration: none;
  color: #0a66c2;
  font-weight: 600;
}

.nav a.active {
  color: #111827;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 14px 0;
}

.tabs a {
  margin-right: 8px;
  text-decoration: none;
  color: #0a66c2;
}

.tabs a.active {
  color: #111827;
  font-weight: 700;
}

.card {
  background: #fff;
  border: 1px solid #dde3ed;
  border-radius: 10px;
  padding: 18px;
}

.card.narrow {
  max-width: 420px;
  margin: 60px auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid #dde3ed;
  border-radius: 8px;
  overflow: hidden;
}

th, td {
  text-align: left;
  padding: 10px;
  border-bottom: 1px solid #edf2f7;
}

th {
  background: #f8fafc;
}

label {
  display: block;
  margin-bottom: 12px;
}

input[type="text"],
input[type="password"],
input[type="number"] {
  width: 100%;
  box-sizing: border-box;
  margin-top: 5px;
  padding: 10px;
  border: 1px solid #c7d0db;
  border-radius: 8px;
}

.btn {
  display: inline-block;
  text-decoration: none;
  border: 1px solid #8ea0b6;
  border-radius: 8px;
  padding: 8px 12px;
  background: #fff;
  color: #1f2937;
  cursor: pointer;
  margin-right: 6px;
}

.btn-primary {
  background: #0a66c2;
  border-color: #0a66c2;
  color: #fff;
}

.btn-danger {
  background: #bf1d1d;
  border-color: #bf1d1d;
  color: #fff;
}

.btn-outline {
  background: #fff;
}

.inline-form {
  display: inline;
}

.form-actions {
  margin-top: 14px;
}

.flash {
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 12px;
}

.flash-success {
  background: #e9f9ef;
  border: 1px solid #8fd7a5;
}

.flash-warning {
  background: #fff7db;
  border: 1px solid #f0d98a;
}

.flash-error {
  background: #feecec;
  border: 1px solid #f2b1b1;
}

.error {
  color: #b91c1c;
  margin-bottom: 12px;
}

.checkbox-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 8px;
}

.checkbox-item {
  margin: 0;
}

.list {
  display: grid;
  gap: 10px;
}

.list-item {
  display: block;
  text-decoration: none;
  color: #0a66c2;
}

.pill {
  font-size: 12px;
  background: #eef2f7;
  border-radius: 999px;
  padding: 2px 8px;
}

.muted {
  color: #5b6574;
}