:root {
  --lab-bg: #f6f7f9;
  --lab-panel: #ffffff;
  --lab-border: #dde3ea;
  --lab-text: #15191f;
  --lab-muted: #667085;
  --lab-accent: #166534;
  --lab-blue: #1d4ed8;
  --lab-amber: #a16207;
}

body {
  background: var(--lab-bg);
  color: var(--lab-text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.lab-shell {
  max-width: 1220px;
}

.lab-nav {
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--lab-border);
}

.navbar-brand {
  font-weight: 760;
}

.nav-link {
  color: #344054;
  font-weight: 620;
}

.nav-link.active {
  color: var(--lab-blue);
}

.page-wrap {
  padding-top: 28px;
  padding-bottom: 48px;
}

.page-title {
  align-items: center;
  display: flex;
  gap: 16px;
  justify-content: space-between;
  margin-bottom: 18px;
}

.page-title h1 {
  font-size: 1.8rem;
  font-weight: 780;
  margin: 0;
}

.eyebrow {
  color: var(--lab-muted);
  display: block;
  font-size: 0.78rem;
  font-weight: 720;
  letter-spacing: 0;
  text-transform: uppercase;
}

.metrics-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.metric-card,
.lab-card {
  background: var(--lab-panel);
  border: 1px solid var(--lab-border);
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(20, 24, 31, 0.04);
}

.metric-card {
  display: grid;
  gap: 8px;
  min-height: 132px;
  padding: 18px;
}

.metric-card span,
.metric-card small,
.card-heading p,
.status-list {
  color: var(--lab-muted);
}

.metric-card strong {
  font-size: 1.3rem;
  font-weight: 780;
}

.lab-card {
  padding: 20px;
}

.narrow-card {
  max-width: 720px;
}

.card-heading {
  align-items: flex-start;
  display: flex;
  gap: 12px;
  justify-content: space-between;
  margin-bottom: 16px;
}

.card-heading h2 {
  font-size: 1.06rem;
  font-weight: 760;
  margin: 0 0 4px;
}

.card-heading p {
  margin: 0;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.btn {
  align-items: center;
  display: inline-flex;
  gap: 7px;
}

.btn svg {
  height: 16px;
  width: 16px;
}

.status-list {
  display: grid;
  gap: 6px;
  margin-top: 14px;
}

.api-result,
.payload-view {
  background: #101828;
  border-radius: 8px;
  color: #e5e7eb;
  display: none;
  font-size: 0.84rem;
  margin: 16px 0 0;
  max-height: 360px;
  overflow: auto;
  padding: 14px;
  white-space: pre-wrap;
}

.api-result.has-content,
.payload-view {
  display: block;
}

.qr-box {
  align-items: center;
  background: #f8fafc;
  border: 1px dashed #cbd5e1;
  border-radius: 8px;
  display: flex;
  justify-content: center;
  min-height: 360px;
  padding: 18px;
  text-align: center;
}

.qr-box img {
  max-height: 320px;
  max-width: 100%;
}

.table {
  --bs-table-bg: transparent;
}

@media (max-width: 720px) {
  .page-title {
    align-items: flex-start;
    flex-direction: column;
  }
}

.login-body {
  min-height: 100vh;
}

.login-wrap {
  align-items: center;
  display: flex;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

.login-card {
  background: #fff;
  border: 1px solid var(--lab-border);
  border-radius: 8px;
  box-shadow: 0 18px 55px rgba(20, 24, 31, 0.08);
  max-width: 420px;
  padding: 28px;
  width: 100%;
}

.login-card h1 {
  font-size: 1.45rem;
  font-weight: 780;
  margin: 4px 0 22px;
}

.nav-user {
  color: var(--lab-muted);
  font-size: 0.88rem;
  font-weight: 680;
  padding: 0.38rem 0.55rem;
}

.compact-metric {
  min-height: 96px;
}

.table-toolbar {
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(220px, 1fr) 160px;
  margin-bottom: 14px;
}

.direction-pill {
  border-radius: 999px;
  display: inline-flex;
  font-size: 0.75rem;
  font-weight: 760;
  padding: 4px 9px;
}

.direction-pill.entrada {
  background: #dcfce7;
  color: #166534;
}

.direction-pill.saida {
  background: #dbeafe;
  color: #1d4ed8;
}

.message-preview {
  max-width: 520px;
  white-space: normal;
}

.message-preview small {
  color: var(--lab-muted);
  display: block;
  font-size: 0.72rem;
  margin-top: 4px;
  word-break: break-all;
}

.payload-row[style*="display: none"] {
  display: none !important;
}

@media (max-width: 720px) {
  .table-toolbar {
    grid-template-columns: 1fr;
  }
}