:root {
  --pcm-green: #1f5d45;
  --pcm-ink: #202428;
  --pcm-line: #d8dee4;
  --pcm-soft: #f6f8fa;
}

body {
  background: var(--pcm-soft);
  color: var(--pcm-ink);
}

.app-shell {
  min-height: 100vh;
}

.sidebar {
  background: #fff;
  border-right: 1px solid var(--pcm-line);
}

.sidebar .brand {
  color: var(--pcm-green);
  font-weight: 700;
}

.sidebar .nav-link {
  color: #2f3438;
  border-radius: 8px;
  margin-bottom: .25rem;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
  background: #e8f3ee;
  color: var(--pcm-green);
}

.topbar {
  background: #fff;
  border-bottom: 1px solid var(--pcm-line);
}

.content-card,
.metric-card {
  background: #fff;
  border: 1px solid var(--pcm-line);
  border-radius: 8px;
}

.btn {
  border-radius: 8px;
}

.table td,
.table th {
  vertical-align: middle;
}

.login-panel {
  max-width: 420px;
  background: #fff;
  border: 1px solid var(--pcm-line);
  border-radius: 8px;
}

@media (min-width: 992px) {
  .sidebar {
    width: 260px;
    position: sticky;
    top: 0;
    height: 100vh;
  }
}