:root {
  color-scheme: light dark;
  --bg: #f4f5f7;
  --card: #ffffff;
  --text: #16181d;
  --muted: #5b6270;
  --border: #d9dce3;
  --accent: #1f5fd1;
  --halt: #c8102e;
  --halt-hover: #a50d26;
  --halt-text: #ffffff;
  --ok-bg: #e6f4ea;
  --ok-text: #135c2a;
  --bad-bg: #fde7ea;
  --bad-text: #8f0b21;
  --warn-bg: #fff4d6;
  --warn-text: #6b4a00;
  --unknown-bg: #eceef2;
  --unknown-text: #3c4250;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101216;
    --card: #191c22;
    --text: #e8eaee;
    --muted: #a0a7b4;
    --border: #2d323b;
    --accent: #7aa7ff;
    --halt: #e5243f;
    --halt-hover: #ff3d57;
    --ok-bg: #12301c;
    --ok-text: #8fdca6;
    --bad-bg: #3a1218;
    --bad-text: #ff9aa8;
    --warn-bg: #3a2e0c;
    --warn-text: #f5d27a;
    --unknown-bg: #232730;
    --unknown-text: #c3c9d4;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

h1 {
  font-size: 1.6rem;
  margin: 0 0 8px;
}

h2 {
  font-size: 1.15rem;
  margin: 0;
}

h3 {
  font-size: 1rem;
  margin: 16px 0 4px;
}

.lede,
.hint {
  color: var(--muted);
}

.hint {
  font-size: 0.9rem;
  margin: 4px 0 0;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-top: 16px;
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
}

.endpoint {
  display: flex;
  gap: 8px;
  align-items: center;
  color: var(--muted);
  font-size: 0.9rem;
  max-width: 100%;
}

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

select,
textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  max-width: 100%;
}

.endpoint select {
  min-width: 0;
}

.field {
  display: block;
  margin-top: 16px;
}

.field > span {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
}

.field select,
.field textarea {
  width: 100%;
}

textarea {
  resize: vertical;
}

.status {
  margin: 16px 0;
  padding: 16px;
  border-radius: 10px;
  font-size: 1.25rem;
  font-weight: 700;
  text-align: center;
}

.status-unknown {
  background: var(--unknown-bg);
  color: var(--unknown-text);
}

.status-running {
  background: var(--ok-bg);
  color: var(--ok-text);
}

.status-halted {
  background: var(--bad-bg);
  color: var(--bad-text);
}

.facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 8px 16px;
  margin: 0;
}

.facts dt {
  color: var(--muted);
  font-size: 0.85rem;
}

.facts dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.last-halt .facts {
  grid-template-columns: 1fr;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9rem;
  overflow-wrap: anywhere;
}

.notice {
  padding: 12px;
  border-radius: 8px;
  margin: 12px 0 0;
}

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

.wallet {
  margin-top: 12px;
}

button {
  cursor: pointer;
  border-radius: 10px;
  border: 1px solid transparent;
  padding: 10px 16px;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

button:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.secondary {
  background: transparent;
  border-color: var(--border);
}

.secondary:hover:not(:disabled) {
  border-color: var(--accent);
}

.halt {
  display: block;
  width: 100%;
  margin-top: 20px;
  padding: 20px;
  background: var(--halt);
  color: var(--halt-text);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.halt:hover:not(:disabled) {
  background: var(--halt-hover);
}

.halt.small {
  display: inline-block;
  width: auto;
  margin: 0;
  padding: 10px 20px;
  font-size: 1rem;
}

.confirm {
  margin-top: 16px;
  padding: 16px;
  border: 2px solid var(--halt);
  border-radius: 10px;
}

.confirm p {
  margin: 0 0 12px;
}

.confirm .row {
  justify-content: flex-start;
}

.role-guardian {
  color: var(--ok-text);
}

.role-other {
  color: var(--bad-text);
}

.log {
  margin: 16px 0 0;
  padding-left: 20px;
}

.log:empty {
  display: none;
}

.log li {
  margin: 4px 0;
  overflow-wrap: anywhere;
}

.log .error {
  color: var(--bad-text);
  font-weight: 600;
}

.log .success {
  color: var(--ok-text);
  font-weight: 600;
}

.guardians {
  margin: 12px 0 0;
  padding-left: 20px;
}

.guardians li {
  margin: 4px 0;
}

.about {
  margin: 12px 0 0;
  padding-left: 20px;
}

.about li {
  margin: 6px 0;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
}