:root {
  --bg: #f7f8fa;
  --surface: #ffffff;
  --surface-2: #eef2f6;
  --ink: #142033;
  --muted: #647084;
  --line: #dce2ea;
  --accent: #136f63;
  --accent-2: #235a9f;
  --danger: #a83232;
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--bg);
  display: grid;
  grid-template-columns: 260px 1fr;
}

button,
input {
  font: inherit;
}

.sidebar {
  min-height: 100vh;
  background: #101820;
  color: #fff;
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: #1d7f73;
  font-weight: 800;
}

.brand span,
.sidebar-footer {
  color: #aeb8c6;
  font-size: 13px;
}

nav {
  display: grid;
  gap: 6px;
}

.nav-item {
  min-height: 40px;
  border: 0;
  border-radius: 8px;
  padding: 0 12px;
  text-align: left;
  color: #dbe4ef;
  background: transparent;
  cursor: pointer;
}

.nav-item:hover,
.nav-item.active {
  background: #1d2b38;
  color: #fff;
}

.sidebar-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--danger);
}

.status-dot.online {
  background: #2dad76;
}

.workspace {
  padding: 28px;
  min-width: 0;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-bottom: 18px;
}

.eyebrow {
  margin: 0 0 4px;
  font-size: 12px;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: 28px;
}

.actions {
  display: flex;
  gap: 8px;
}

.icon-button,
.settings-panel button {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  padding: 0 14px;
  cursor: pointer;
}

.settings-panel {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(220px, 1fr) auto;
  gap: 12px;
  align-items: end;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 18px;
}

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

input {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 10px;
  color: var(--ink);
}

.alert {
  margin-bottom: 18px;
  padding: 12px 14px;
  color: #5b2323;
  background: #fff0f0;
  border: 1px solid #f0c7c7;
  border-radius: var(--radius);
}

.content {
  display: grid;
  gap: 18px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(160px, 1fr));
  gap: 12px;
}

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

.metric {
  padding: 16px;
}

.metric span {
  color: var(--muted);
  font-size: 13px;
}

.metric strong {
  display: block;
  margin-top: 8px;
  font-size: 24px;
}

.panel {
  overflow: hidden;
}

.panel-header {
  min-height: 52px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.panel-header h2 {
  margin: 0;
  font-size: 16px;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

th,
td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  font-size: 14px;
}

th {
  background: var(--surface-2);
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 8px;
  border-radius: 999px;
  color: #0f4b42;
  background: #dff5ef;
  font-size: 12px;
  font-weight: 700;
}

.badge.inactive {
  color: #6b3d16;
  background: #fff0d9;
}

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

@media (max-width: 860px) {
  body {
    grid-template-columns: 1fr;
  }

  .sidebar {
    min-height: auto;
  }

  .metrics,
  .settings-panel {
    grid-template-columns: 1fr;
  }
}