body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f6f7fb;
  color: #1f2532;
}

.site-header {
  background: #1f344e;
  color: white;
  padding: 16px;
}

.brand {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.nav a {
  color: #d8e8ff;
  margin-right: 12px;
  text-decoration: none;
}

.main {
  padding: 16px;
}

.panel {
  background: white;
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}

.card {
  border: 1px solid #d4dae2;
  border-radius: 10px;
  padding: 12px;
  background: #fbfcff;
}

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

th,
td {
  border: 1px solid #d4dae2;
  padding: 8px;
  text-align: left;
}

input,
textarea {
  display: block;
  width: 100%;
  margin: 6px 0 12px;
  padding: 8px;
  border-radius: 6px;
  border: 1px solid #cbd3e0;
}

button {
  padding: 8px 12px;
  background: #215ca1;
  border: 0;
  border-radius: 6px;
  color: white;
}

.banner {
  background: #fff1bf;
  color: #3f2b00;
  padding: 8px;
  border-bottom: 1px solid #f7dc7c;
}

.hash-preview {
  border: 1px dashed #b7becc;
  padding: 8px;
  margin: 12px;
  background: #fdfdff;
}

.warning {
  color: #7c3000;
  background: #ffe7d4;
  padding: 8px;
  border-radius: 6px;
  border: 1px solid #ffc9a0;
}

.kb-item {
  border-bottom: 1px solid #e6ebf2;
  padding: 8px 0;
}

.kb-body {
  margin-top: 6px;
  color: #2c3445;
}