:root[data-theme=light]{--bg-main:#f4f5f7;--bg-surface:#fff;--border:#e5e7eb;--text:#111827;--muted:#6b7280;--primary:#16a34a}:root[data-theme=dark]{--bg-main:#0b1220;--bg-surface:#0f172a;--border:#1f2937;--text:#e5e7eb;--muted:#9ca3af;--primary:#16a34a}.admin-shell{display:flex;min-height:100vh;background:var(--bg-main);color:var(--text);position:relative}.admin-sidebar{width:240px;flex-shrink:0;background:var(--bg-surface);border-right:1px solid var(--border);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;transition:transform .25s ease;z-index:50}.admin-brand{padding:20px;font-weight:600}.admin-brand-sub{font-size:12px;color:var(--muted);margin-top:4px}.admin-nav{display:flex;flex-direction:column;padding:8px;gap:4px}.admin-nav-link{padding:10px 12px;border-radius:8px;color:var(--text);text-decoration:none;font-size:14px}.admin-nav-link:hover{background:rgba(0,0,0,.04)}:root[data-theme=dark] .admin-nav-link:hover{background:hsla(0,0%,100%,.05)}.admin-nav-link-active{background:rgba(22,163,74,.12);color:var(--primary)}.admin-sidebar-footer{margin-top:auto;padding:16px;font-size:12px;color:var(--muted);border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.theme-toggle{font-size:12px;border:1px solid var(--border);background:var(--bg-surface);color:var(--text);padding:4px 8px;border-radius:6px;cursor:pointer}.theme-toggle:hover{background:rgba(0,0,0,.04)}:root[data-theme=dark] .theme-toggle:hover{background:hsla(0,0%,100%,.05)}.admin-main{flex:1;padding:24px;overflow-x:auto}.admin{display:grid;gap:24px}.grid{display:grid;gap:16px}.kpis{grid-template-columns:repeat(4,minmax(0,1fr))}.charts{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background:var(--bg-surface);border:1px solid var(--border);border-radius:12px;padding:18px 20px}.kpi-label{font-size:12px;color:var(--muted)}.kpi-value{font-size:28px;font-weight:700;color:var(--primary)}.kpi-sub{font-size:12px;color:var(--muted);margin-top:4px}.card-title{font-size:14px;color:var(--muted);margin-bottom:8px}.admin-hamburger{display:none;position:fixed;top:16px;left:16px;z-index:100;background:var(--bg-surface);border:1px solid var(--border);border-radius:8px;padding:8px 10px;font-size:18px}.admin-backdrop{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:40}@media (max-width:1100px){.kpis{grid-template-columns:repeat(2,minmax(0,1fr))}.charts{grid-template-columns:1fr}}@media (max-width:768px){.admin-hamburger{display:block}.admin-sidebar{position:fixed;left:0;top:0;transform:translateX(-100%)}.admin-shell.sidebar-open .admin-sidebar{transform:translateX(0)}.admin-shell.sidebar-open .admin-backdrop{display:block}}@media (max-width:640px){.kpis{grid-template-columns:1fr}}