:root {
  color-scheme: light dark;
  --bg: #f6f8f7;
  --surface: #ffffff;
  --text: #16241d;
  --muted: #4b5d54;
  --primary: #1f6b4f;
  --border: #d6e0da;
  --danger: #b3261e;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101714;
    --surface: #17211c;
    --text: #d9e5dd;
    --muted: #a3b8ac;
    --primary: #74bd9c;
    --border: #2e4a3c;
    --danger: #f2b8b5;
  }
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font:
    17px/1.6 system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    'Noto Sans Bengali',
    'Noto Sans',
    sans-serif;
}
a {
  color: var(--primary);
}
.site-header,
main,
.site-footer {
  max-width: 760px;
  margin: 0 auto;
  padding: 16px;
}
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand {
  font-weight: 700;
  font-size: 20px;
  text-decoration: none;
  color: var(--text);
}
h1 {
  font-size: 28px;
  line-height: 1.25;
  margin: 16px 0 8px;
}
h2 {
  font-size: 20px;
  margin: 28px 0 8px;
}
.lead {
  font-size: 20px;
  color: var(--muted);
}
.updated,
.soon {
  color: var(--muted);
}
.table-wrap {
  overflow-x: auto;
}
table {
  border-collapse: collapse;
  width: 100%;
  font-size: 15px;
}
th,
td {
  border: 1px solid var(--border);
  padding: 8px;
  text-align: start;
  vertical-align: top;
}
th {
  background: var(--surface);
}
li {
  margin: 6px 0;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin: 24px 0;
}
label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
}
input {
  width: 100%;
  font: inherit;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
}
button {
  font: inherit;
  margin-top: 12px;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 10px;
  border: 0;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}
button.danger {
  background: var(--danger);
}
button.link {
  background: none;
  color: var(--primary);
  padding: 0 8px;
}
button:disabled {
  opacity: 0.6;
  cursor: wait;
}
#status {
  min-height: 1.6em;
  margin: 12px 0 0;
}
#status.error {
  color: var(--danger);
}
.site-footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 15px;
}