:root {
  --bg: #f7f7f5;
  --fg: #1d1d1b;
  --muted: #5d5d58;
  --panel: #ffffff;
  --border: #dcdcd6;
  --ok: #1d6b3a;
  --ok-bg: #e6f2ea;
  --warn: #7a5200;
  --warn-bg: #fbf1dc;
  --bad: #9b1c1c;
  --bad-bg: #fbe7e7;
  --accent: #2b5ea7;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161615;
    --fg: #ececea;
    --muted: #a3a39d;
    --panel: #1f1f1e;
    --border: #3a3a37;
    --ok: #7fd09a;
    --ok-bg: #18301f;
    --warn: #f0c46b;
    --warn-bg: #352a12;
    --bad: #f29b9b;
    --bad-bg: #3a1818;
    --accent: #8db4f0;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0 auto;
  max-width: 72rem;
  padding: 1.5rem 1rem 3rem;
  background: var(--bg);
  color: var(--fg);
  font:
    15px/1.5 system-ui,
    sans-serif;
}

h1 {
  margin: 0 0 0.5rem;
  font-size: 1.6rem;
}

h2 {
  margin: 2rem 0 0.6rem;
  font-size: 1.1rem;
}

.lede,
.note {
  max-width: 60rem;
  margin: 0.3rem 0;
}

.note,
.tag,
dt {
  color: var(--muted);
}

.tag {
  font-size: 0.8rem;
  font-weight: normal;
  margin-left: 0.4rem;
}

.tag.ok {
  color: var(--ok);
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.8rem 1rem;
  overflow-wrap: anywhere;
}

.panel:empty {
  display: none;
}

form#settings {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 0.7rem 1rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.9rem;
}

label.wide,
.actions {
  grid-column: 1 / -1;
}

label.check {
  flex-direction: row;
  align-items: center;
  gap: 0.5rem;
}

input,
textarea,
button {
  font: inherit;
  color: inherit;
}

input:not([type='checkbox']),
textarea {
  width: 100%;
  padding: 0.4rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg);
  font-family: ui-monospace, monospace;
  font-size: 0.85rem;
}

button {
  padding: 0.45rem 1rem;
  border: 1px solid var(--accent);
  border-radius: 4px;
  background: var(--accent);
  color: var(--panel);
  cursor: pointer;
}

button[type='button'] {
  background: transparent;
  color: var(--accent);
}

.actions {
  display: flex;
  gap: 0.6rem;
}

form.inline {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: 0.4rem 1rem;
  margin: 0;
}

dt {
  font-size: 0.8rem;
}

dd {
  margin: 0 0 0.4rem;
  font-family: ui-monospace, monospace;
}

.verdict {
  font-weight: 600;
  margin: 0 0 0.4rem;
}

.ok-box {
  border-color: var(--ok);
  background: var(--ok-bg);
}

.ok-box .verdict {
  color: var(--ok);
}

.warn-box {
  border-color: var(--warn);
  background: var(--warn-bg);
}

.warn-box .verdict {
  color: var(--warn);
}

.bad-box {
  border-color: var(--bad);
  background: var(--bad-bg);
}

.bad-box .verdict {
  color: var(--bad);
}

pre {
  margin: 0.4rem 0 0;
  white-space: pre-wrap;
  font-size: 0.8rem;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  font-size: 0.85rem;
}

table:empty {
  display: none;
}

th,
td {
  text-align: left;
  padding: 0.35rem 0.6rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  overflow-wrap: anywhere;
}

th {
  color: var(--muted);
  font-weight: 600;
}

td.mono {
  font-family: ui-monospace, monospace;
}