:root {
  color-scheme: dark;
  --bg: #0f1419;
  --panel: #1a2332;
  --border: #2a3648;
  --text: #e8eef7;
  --muted: #93a4b8;
  --accent: #4da3ff;
  --ok: #3ecf8e;
  --warn: #f5c451;
  --bad: #ff6b6b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a {
  color: var(--accent);
}

.muted {
  color: var(--muted);
}

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: min(420px, 100%);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
}

.login-card h1 {
  margin: 0 0 8px;
}

.login-form {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

label {
  display: grid;
  gap: 8px;
  font-size: 14px;
}

input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #111822;
  color: var(--text);
}

button {
  border: 0;
  border-radius: 10px;
  padding: 12px 16px;
  background: var(--accent);
  color: #041018;
  font-weight: 600;
  cursor: pointer;
}

button.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.error {
  color: var(--bad);
  margin: 0;
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}

.topbar h1 {
  margin: 0;
  font-size: 24px;
}

.topbar-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.tabs {
  display: flex;
  gap: 8px;
  padding: 12px 24px;
  overflow-x: auto;
}

.tab {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}

.tab.active {
  color: var(--text);
  border-color: var(--accent);
}

main {
  padding: 0 24px 32px;
}

.panel {
  display: none;
}

.panel.active {
  display: block;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin: 16px 0 24px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
}

.card .label {
  color: var(--muted);
  font-size: 13px;
}

.card .value {
  margin-top: 8px;
  font-size: 20px;
  font-weight: 700;
}

.card.ok .value {
  color: var(--ok);
}

.card.bad .value {
  color: var(--bad);
}

.card.warn .value {
  color: var(--warn);
}

.panel-block {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  margin-bottom: 16px;
}

.panel-block h2 {
  margin: 0 0 12px;
  font-size: 18px;
}

.event-list {
  display: grid;
  gap: 10px;
}

.event-item {
  padding: 12px;
  border-radius: 10px;
  background: #111822;
  border: 1px solid var(--border);
}

.event-item .meta {
  color: var(--muted);
  font-size: 12px;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th,
td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-weight: 600;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.badge.ok {
  background: rgba(62, 207, 142, 0.15);
  color: var(--ok);
}

.badge.bad {
  background: rgba(255, 107, 107, 0.15);
  color: var(--bad);
}

.badge.neutral {
  background: rgba(147, 164, 184, 0.15);
  color: var(--muted);
}

@media (max-width: 640px) {
  .topbar,
  main,
  .tabs {
    padding-left: 16px;
    padding-right: 16px;
  }

  .cards {
    grid-template-columns: 1fr 1fr;
  }
}