:root {
  color-scheme: light;
  --ink: #17202a;
  --muted: #5f6c77;
  --line: #d8e0e7;
  --soft: #f5f8fa;
  --brand: #0f766e;
  --warn: #a15c00;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: #ffffff;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 32px;
  border-bottom: 1px solid var(--line);
}

header strong {
  display: block;
  font-size: 22px;
}

header span,
.muted {
  color: var(--muted);
}

nav {
  display: flex;
  gap: 14px;
}

a {
  color: var(--brand);
  text-decoration: none;
}

main {
  max-width: 1040px;
  margin: 0 auto;
  padding: 32px;
}

section {
  margin-bottom: 28px;
}

.notice,
.panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
  background: var(--soft);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.metric {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}

.metric b {
  display: block;
  font-size: 28px;
}

form {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: end;
  margin-bottom: 18px;
}

label {
  display: grid;
  gap: 5px;
  font-size: 14px;
  color: var(--muted);
}

input,
select,
button {
  font: inherit;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #ffffff;
}

button {
  color: #ffffff;
  background: var(--brand);
  border-color: var(--brand);
  cursor: pointer;
}

.inline-form {
  display: inline;
  margin: 0;
}

.link-button {
  padding: 0;
  color: var(--brand);
  background: transparent;
  border: 0;
  border-radius: 0;
  cursor: pointer;
}

table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--line);
}

th,
td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

th {
  background: var(--soft);
}

code {
  background: #eef3f5;
  padding: 2px 5px;
  border-radius: 4px;
}

footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  padding: 18px 32px;
  text-align: center;
}