:root {
  --bg: #f7f7f8;
  --surface: #fff;
  --text: #1b1b1f;
  --muted: #66666e;
  --border: #dcdce0;
  --accent: #2b59c3;
  --danger: #b42318;
  --ok: #1a7f37;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141417;
    --surface: #1d1d21;
    --text: #ececf0;
    --muted: #9a9aa3;
    --border: #34343a;
    --accent: #7aa2ff;
    --danger: #ff7b72;
    --ok: #56d364;
    color-scheme: dark;
  }
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font:
    14px/1.5 system-ui,
    sans-serif;
}
header {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  align-items: baseline;
  justify-content: space-between;
  padding: 16px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
h1 {
  font-size: 20px;
  margin: 0;
}
h2 {
  font-size: 16px;
  margin: 0 0 8px;
}
nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
a {
  color: var(--accent);
}
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px;
}
section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
}
.muted {
  color: var(--muted);
}
.error {
  color: var(--danger);
  border: 1px solid var(--danger);
  border-radius: 6px;
  padding: 8px 12px;
}
form {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: end;
}
label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-weight: 500;
}
label:first-child {
  flex: 1 1 320px;
}
input,
select,
button,
.button {
  font: inherit;
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}
input[name='hardware_id'] {
  font-family: ui-monospace, monospace;
}
button,
.button {
  cursor: pointer;
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  text-decoration: none;
  display: inline-block;
}
button.secondary {
  background: transparent;
  color: var(--accent);
}
button.danger {
  background: transparent;
  color: var(--danger);
  border-color: var(--danger);
}
#filter {
  width: 100%;
  margin-bottom: 8px;
}
.scroll {
  overflow-x: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
}
th,
td {
  text-align: left;
  padding: 6px 8px;
  border-top: 1px solid var(--border);
  vertical-align: top;
}
th {
  color: var(--muted);
  font-weight: 500;
  border-top: 0;
}
td.mono {
  font-family: ui-monospace, monospace;
  word-break: break-all;
  min-width: 160px;
}
td.actions {
  white-space: nowrap;
  display: flex;
  gap: 6px;
}
.valid {
  color: var(--ok);
}
.expired {
  color: var(--danger);
}
table.kv th {
  width: 260px;
}
table.kv td {
  font-family: ui-monospace, monospace;
  word-break: break-all;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
.blocked {
  color: var(--danger);
  font-weight: 600;
}
label.check {
  flex-direction: row;
  align-items: center;
}