:root {
  --gr-sidebar-bg: #0f172a;
  --gr-sidebar-fg: #cbd5e1;
  --gr-sidebar-active: #2563eb;
  --gr-topbar-bg: #ffffff;
  --gr-accent: #2563eb;
}

body { background: #f1f5f9; }

/* ---- Sidebar ---- */
.gr-sidebar {
  background: var(--gr-sidebar-bg);
  color: var(--gr-sidebar-fg);
  width: 250px; min-height: 100vh;
  position: fixed; top: 0; left: 0; z-index: 1030;
  display: flex; flex-direction: column;
}
.gr-sidebar .gr-brand {
  padding: 1.1rem 1.25rem; font-weight: 700; color: #fff; font-size: 1.05rem;
  border-bottom: 1px solid rgba(255,255,255,.08); letter-spacing: .3px;
}
.gr-sidebar .nav-link {
  color: var(--gr-sidebar-fg); padding: .6rem 1.25rem; border-radius: 0;
  display: flex; align-items: center; gap: .7rem; font-size: .92rem;
}
.gr-sidebar .nav-link:hover { background: rgba(255,255,255,.06); color: #fff; }
.gr-sidebar .nav-link.active { background: var(--gr-sidebar-active); color: #fff; }
.gr-sidebar .nav-link i { font-size: 1.05rem; width: 1.2rem; text-align: center; }

/* ---- Content shell ---- */
.gr-main { margin-left: 250px; }
.gr-topbar {
  background: var(--gr-topbar-bg); height: 60px; position: sticky; top: 0; z-index: 1020;
  border-bottom: 1px solid #e2e8f0; display: flex; align-items: center;
  padding: 0 1.25rem; gap: .75rem;
}
.gr-content { padding: 1.5rem; }

.gr-avatar {
  width: 34px; height: 34px; border-radius: 50%; background: var(--gr-accent);
  color: #fff; display: inline-flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: .85rem;
}

/* ---- Stat cards ---- */
.gr-stat { border: none; border-radius: .75rem; box-shadow: 0 1px 2px rgba(0,0,0,.05); }
.gr-stat .gr-stat-ico {
  width: 46px; height: 46px; border-radius: .6rem; display: inline-flex;
  align-items: center; justify-content: center; font-size: 1.4rem;
}
.gr-stat h3 { font-weight: 700; margin: 0; }

.card { border: none; border-radius: .75rem; box-shadow: 0 1px 2px rgba(0,0,0,.05); }

/* ---- Login ---- */
.gr-login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%); padding: 1rem; }
.gr-login-card { width: 100%; max-width: 400px; }

@media (max-width: 991.98px) {
  .gr-sidebar { transform: translateX(-100%); transition: transform .2s ease; }
  .gr-sidebar.show { transform: translateX(0); }
  .gr-main { margin-left: 0; }
}

/* util */
.gr-hidden { display: none !important; }
.table-actions .btn { padding: .15rem .45rem; }
.cursor-pointer { cursor: pointer; }