:root {
  color-scheme: light;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f3efe7;
  color: #15231d;
}

body {
  margin: 0;
}

.page-shell {
  max-width: 960px;
  margin: 0 auto;
  padding: 48px 24px 72px;
}

.page-header {
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #6a5b42;
}

.lede {
  max-width: 60ch;
  color: #41514b;
}

.card {
  background: #fffdf8;
  border: 1px solid #d9d1c1;
  border-radius: 18px;
  box-shadow: 0 12px 32px rgba(21, 35, 29, 0.08);
  overflow: hidden;
}

.readings-table {
  width: 100%;
  border-collapse: collapse;
}

.readings-table th,
.readings-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid #ece6d8;
}

.readings-table th {
  background: #f7f1e5;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #5f5a4c;
}

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px 24px;
  background: #15231d;
}

.nav-brand {
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: #f3efe7;
  text-decoration: none;
}

.nav-link {
  font-size: 0.9rem;
  color: #b8c4be;
  text-decoration: none;
}

.nav-link:hover {
  color: #f3efe7;
}

.breadcrumbs {
  margin: 0 0 8px;
  font-size: 0.85rem;
  color: #6a5b42;
}

.breadcrumbs a {
  color: #6a5b42;
  text-decoration: underline;
}

.identity-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0 16px;
  padding: 0;
  list-style: none;
}

.identity-list li {
  padding: 4px 10px;
  font-size: 0.8rem;
  font-family: ui-monospace, monospace;
  background: #f7f1e5;
  border: 1px solid #ece6d8;
  border-radius: 6px;
  color: #5f5a4c;
}

.gateway-group {
  margin-bottom: 24px;
}

.gateway-group-header {
  padding: 12px 16px;
  background: #f7f1e5;
  border-bottom: 1px solid #ece6d8;
  font-weight: 600;
  font-size: 0.9rem;
  color: #15231d;
}

.trace-detail {
  padding: 16px;
  background: #faf8f3;
  border-top: 1px solid #ece6d8;
}

.trace-detail summary {
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  color: #6a5b42;
}

.raw-payload {
  margin: 12px 0;
  padding: 12px;
  font-family: ui-monospace, monospace;
  font-size: 0.8rem;
  background: #15231d;
  color: #b8c4be;
  border-radius: 8px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

.trace-section {
  margin-top: 12px;
}

.trace-section h4 {
  margin: 0 0 6px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #6a5b42;
}

.meta-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
  font-size: 0.85rem;
}

.meta-grid dt {
  font-weight: 600;
  color: #5f5a4c;
}

.meta-grid dd {
  margin: 0;
  color: #15231d;
}

a {
  color: #6a5b42;
}

.login-shell {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.login-card {
  width: 100%;
  max-width: 380px;
  padding: 40px 32px;
  background: #fffdf8;
  border: 1px solid #d9d1c1;
  border-radius: 18px;
  box-shadow: 0 12px 32px rgba(21, 35, 29, 0.08);
}

.login-title {
  margin: 0 0 24px;
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
  color: #15231d;
}

.login-error {
  margin: 0 0 16px;
  padding: 10px 14px;
  font-size: 0.85rem;
  background: #fdf2f2;
  border: 1px solid #e8c4c4;
  border-radius: 8px;
  color: #8b2525;
}

.login-label {
  display: block;
  margin: 0 0 4px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #5f5a4c;
}

.login-input {
  display: block;
  width: 100%;
  margin: 0 0 16px;
  padding: 10px 12px;
  font-size: 0.95rem;
  border: 1px solid #d9d1c1;
  border-radius: 8px;
  background: #f3efe7;
  color: #15231d;
  box-sizing: border-box;
}

.login-input:focus {
  outline: 2px solid #6a5b42;
  outline-offset: 1px;
}

.login-button {
  display: block;
  width: 100%;
  padding: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  background: #15231d;
  color: #f3efe7;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

.login-button:hover {
  background: #1e332a;
}

.nav-logout {
  margin-left: auto;
}

.nav-logout-button {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
  color: #b8c4be;
  padding: 0;
}

.nav-logout-button:hover {
  color: #f3efe7;
}