:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --panel: #ffffff;
  --text: #18202f;
  --muted: #657083;
  --line: #d9dee8;
  --primary: #2057d6;
  --danger: #b42318;
  --ok: #147a3d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 14px;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 12px 20px;
  background: #111827;
  color: #fff;
}

.brand {
  color: #fff;
  font-weight: 700;
}

.topbar nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  flex: 1;
}

.topbar nav a {
  color: #d8e0f0;
}

.logout-form {
  margin: 0;
}

.page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px;
}

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

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

.page-header p,
.metric span,
.details dt {
  color: var(--muted);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.metric,
.panel,
.auth-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.metric {
  padding: 16px;
}

.metric strong {
  display: block;
  margin-top: 8px;
  font-size: 28px;
}

.panel {
  margin-bottom: 18px;
  padding: 16px;
  overflow-x: auto;
}

.panel.narrow,
.auth-panel {
  max-width: 460px;
}

.auth-panel {
  margin: 48px auto;
  padding: 24px;
}

.form-stack,
.inline-form,
.filter-form,
.actions {
  display: flex;
  gap: 10px;
}

.form-stack {
  flex-direction: column;
}

.inline-form {
  align-items: flex-end;
}

.actions form {
  margin: 0;
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-weight: 600;
}

input,
select,
button {
  min-height: 38px;
  border-radius: 6px;
  border: 1px solid var(--line);
  padding: 8px 10px;
  font: inherit;
}

button {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
  cursor: pointer;
}

button.secondary {
  border-color: var(--line);
  background: #fff;
  color: var(--text);
}

button:hover {
  filter: brightness(0.95);
}

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

th,
td {
  padding: 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  font-size: 12px;
  text-transform: uppercase;
  color: var(--muted);
}

.caption {
  max-width: 320px;
}

.details {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 8px 16px;
}

.details dt,
.details dd {
  margin: 0;
}

.status {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 999px;
  background: #eef2ff;
  color: #293269;
  font-size: 12px;
}

.status-success,
.status-sent,
.status-new {
  background: #e7f8ee;
  color: var(--ok);
}

.status-error,
.status-ignored,
.status-insufficient_metrics {
  background: #fee7e7;
  color: var(--danger);
}

.alert.error,
.error-text {
  color: var(--danger);
}

pre {
  white-space: pre-wrap;
  background: #f1f4f9;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px;
}

@media (max-width: 760px) {
  .topbar,
  .page-header,
  .inline-form,
  .filter-form {
    align-items: stretch;
    flex-direction: column;
  }

  .topbar nav {
    flex-direction: column;
  }

  .page {
    padding: 16px;
  }
}