:root {
  --bg: #dadada;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

#login-form {
  display: inline-block;
}

.app {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

.sidebar {
  padding: 16px;
}

.brand {
  font-weight: 800;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

#nav {
  display: grid;
  gap: 8px;
}

.nav-item {
  display: block;
  padding: 10px 12px;
  text-decoration: none;
  border: 1px solid transparent;
}

.nav-item:hover {
  border-color: #333333;
}

.nav-item.active {
  border-color: #333333;
}

.content { display: grid; grid-template-rows: auto 1fr; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
}

.ctx-title { font-weight: 700; }
.ctx-sub { display: flex; gap: 10px; align-items: center; margin-top: 4px; }
.muted { font-size: 13px; }

.badge {
  display: inline-block;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

.actions { display: flex; gap: 10px; align-items: center; }

.btn, .select {
  padding: 10px 12px;
}

.btn { cursor: pointer; font-weight: 700; }
.main { padding: 18px; }
#page { margin-top: 12px; padding: 14px; }