:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --surface: #ffffff;
  --line: #d8dde6;
  --text: #172033;
  --muted: #5f6b7a;
  --green: #137a4b;
  --green-bg: #e6f5ee;
  --red: #a13030;
  --red-bg: #fbe8e8;
  --orange: #95620f;
  --orange-bg: #fff3d7;
  --gray-bg: #edf0f4;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

.app-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  padding: 24px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 4px;
  font-size: 28px;
}

h2 {
  font-size: 18px;
}

h3 {
  font-size: 15px;
}

.key-badges,
.actions,
.card-header {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.key-badges span,
.badge {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 13px;
  background: var(--gray-bg);
  color: var(--muted);
}

.badge-green {
  background: var(--green-bg);
  color: var(--green);
}

.badge-red {
  background: var(--red-bg);
  color: var(--red);
}

.badge-orange {
  background: var(--orange-bg);
  color: var(--orange);
}

.shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px;
  padding: 16px;
}

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

.card-header {
  justify-content: space-between;
  margin-bottom: 12px;
}

.auth-card,
.card:has(.form-grid),
.card:has(details),
.card:has(.event-log) {
  grid-column: 1 / -1;
}

.facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
}

.facts.compact {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.facts div,
.mini-card,
.response-box,
.notice {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  background: #fbfcfd;
}

dt {
  color: var(--muted);
  font-size: 12px;
}

dd {
  margin: 4px 0 0;
  overflow-wrap: anywhere;
}

button,
select,
textarea {
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
}

button {
  min-height: 36px;
  padding: 0 12px;
  color: #ffffff;
  background: #224f8f;
  cursor: pointer;
}

button.secondary {
  color: var(--text);
  background: #ffffff;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.access-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 160px 120px;
  gap: 12px;
  align-items: end;
}

.form-grid label:first-child {
  grid-column: 1 / -1;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
}

textarea,
select {
  width: 100%;
  padding: 8px;
  color: var(--text);
  background: #ffffff;
}

.response-box,
.notice {
  margin-top: 12px;
  white-space: pre-wrap;
}

.error {
  border-color: #efb4b4;
  background: var(--red-bg);
}

.warning {
  color: var(--orange);
}

.boundary-list,
.event-log {
  margin-bottom: 0;
}

.event-log {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 760px) {
  .app-header,
  .shell,
  .facts,
  .facts.compact,
  .access-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .app-header {
    display: grid;
  }
}