:root {
  --of-blue: #0b3d91;
  --of-blue-dark: #082c6b;
  --of-cyan: #0fb5ba;
  --of-ink: #1b2a3d;
  --of-muted: #5d6f84;
  --of-surface: #f2f6fa;
  --of-line: #e2eaf2;
}
html { scroll-behavior: smooth; }
body { font-family: 'Inter', system-ui, sans-serif; color: var(--of-ink); background: #fff; }
.app-shell { display: flex; min-height: 100vh; }
.sidebar { width: 248px; flex-shrink: 0; background: #fff; border-right: 1px solid var(--of-line); padding: 18px 12px; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.brand { font-weight: 800; font-size: 1.35rem; color: var(--of-blue); display: flex; align-items: center; gap: 8px; }
.brand-eye { background: var(--of-blue); color: #fff; border-radius: 10px; width: 34px; height: 34px; display: inline-flex; align-items: center; justify-content: center; }
.shop-id { font-size: .8rem; color: var(--of-muted); margin: 4px 0 14px 42px; }
.sidebar .nav-link { color: var(--of-ink); border-radius: 8px; padding: 8px 12px; font-weight: 600; font-size: .93rem; }
.sidebar .nav-link i { margin-right: 8px; color: var(--of-cyan); }
.sidebar .nav-link:hover { background: var(--of-surface); }
.sidebar .nav-link.active { background: var(--of-blue); color: #fff; }
.sidebar .nav-link.active i { color: #fff; }
.sidebar .nav-head { font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: var(--of-muted); margin: 14px 12px 4px; }
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar { display: flex; align-items: center; gap: 10px; padding: 10px 18px; background: #fff; border-bottom: 1px solid var(--of-line); position: sticky; top: 0; z-index: 50; }
.topbar form { min-width: 240px; }
.content { padding: 22px 18px; background: var(--of-surface); flex: 1; }
.stat-card { border: 1px solid var(--of-line); border-radius: 12px; background: #fff; box-shadow: 0 1px 3px rgba(11,61,145,.06); }
.stat-card .kpi { font-size: 1.5rem; font-weight: 800; color: var(--of-blue); }
.stat-card .lbl { font-size: .8rem; color: var(--of-muted); }
.card { border-radius: 12px; }
.btn-primary { background: var(--of-blue); border-color: var(--of-blue); }
.btn-primary:hover { background: var(--of-blue-dark); border-color: var(--of-blue-dark); }
.btn-info, .badge-accent { background: var(--of-cyan); border-color: var(--of-cyan); }
.text-accent { color: var(--of-cyan); }
@media (max-width: 991px) {
  .sidebar { position: fixed; z-index: 100; left: -260px; transition: left .2s; height: 100vh; }
  .sidebar.open { left: 0; }
  .topbar form { display: none; }
}
.login-wrap { min-height: 100vh; display: flex; align-items: center; background: linear-gradient(135deg, #f2f6fa, #e4f2f4); }
.public-hero { background: linear-gradient(180deg, #f2f6fa, #fff); border-bottom: 1px solid var(--of-line); }