body { background: #f4f6f9; font-family: -apple-system, Segoe UI, Roboto, Arial, sans-serif; }
.topbar { background: #0b3d2e; }
.sidebar {
  width: 230px;
  min-height: calc(100vh - 56px);
  background: #ffffff;
  border-right: 1px solid #e3e6ea;
}
.sidebar-link {
  display: block;
  padding: 10px 12px;
  margin-bottom: 4px;
  border-radius: 6px;
  color: #344054;
  text-decoration: none;
  font-size: 0.92rem;
}
.sidebar-link:hover { background: #f0f3f1; }
.sidebar-link.active { background: #0b3d2e; color: #fff; }
.content { min-height: calc(100vh - 56px); }
.stat-card { border: none; border-radius: 10px; box-shadow: 0 1px 3px rgba(0,0,0,0.08); }
.stat-card .value { font-size: 1.6rem; font-weight: 700; }
table.table thead { background: #0b3d2e10; }
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg,#0b3d2e,#145c45);
}
.login-card { width: 380px; border-radius: 12px; }