*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Inter,Segoe UI,Roboto,sans-serif;font-size:14px;line-height:1.5;color:#111827;background:#f3f4f6;-webkit-font-smoothing:antialiased}input,button,select,textarea{font:inherit;color:inherit}a{color:#2563eb;text-decoration:none}a:hover{text-decoration:underline}#root{min-height:100vh}.admin-layout{display:flex;min-height:100vh}.admin-sidebar{width:240px;background:#111827;color:#d1d5db;display:flex;flex-direction:column;flex-shrink:0}.sidebar-brand{padding:20px 20px 16px;border-bottom:1px solid #1f2937}.sidebar-brand-name{font-size:16px;font-weight:700;color:#f9fafb;display:block}.sidebar-brand-role{font-size:11px;color:#6b7280;text-transform:uppercase;letter-spacing:.05em;margin-top:2px}.sidebar-user{padding:12px 20px;font-size:12px;color:#6b7280;border-bottom:1px solid #1f2937;display:flex;align-items:center;gap:8px}.sidebar-user-avatar{width:28px;height:28px;border-radius:50%;background:#2563eb;color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;flex-shrink:0}.sidebar-nav{flex:1;padding:8px 0;overflow-y:auto}.sidebar-section{padding:12px 20px 4px;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:#4b5563}.sidebar-nav ul{list-style:none;margin:0;padding:0}.sidebar-nav a{display:flex;align-items:center;gap:8px;padding:8px 20px;color:#9ca3af;font-size:13.5px;transition:background .12s,color .12s;border-radius:0}.sidebar-nav a:hover{background:#1f2937;color:#f9fafb;text-decoration:none}.sidebar-nav a.active{background:#1d4ed8;color:#fff}.sidebar-nav a svg{width:16px;height:16px;flex-shrink:0;opacity:.7}.sidebar-nav a.active svg{opacity:1}.sidebar-footer{padding:12px 16px;border-top:1px solid #1f2937}.logout-btn{width:100%;padding:8px 12px;background:transparent;border:1px solid #374151;color:#6b7280;font-size:13px;border-radius:6px;cursor:pointer;transition:background .12s,color .12s}.logout-btn:hover{background:#1f2937;color:#d1d5db}.sidebar-store-switcher{padding:8px 16px 4px;border-bottom:1px solid #1f2937}.sidebar-store-switcher label{font-size:10px;color:#4b5563;text-transform:uppercase;letter-spacing:.05em}.sidebar-store-switcher select{width:100%;margin-top:4px;padding:6px 8px;background:#1f2937;color:#d1d5db;border:1px solid #374151;border-radius:6px;font-size:12px}.admin-main{flex:1;padding:28px 32px;overflow:auto;min-width:0}.page-header-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;gap:16px}.page-header{margin:0;font-size:1.35rem;font-weight:700;color:#111827}.page-subheader{font-size:13px;color:#6b7280;margin:2px 0 0}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:#fff;border-radius:12px;padding:20px 24px;box-shadow:0 1px 3px 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