:root{--sb-bg: #0e1a30;--sb-bg2: #16263f;--sb-text: #b9c6de;--sb-active: #ffffff;--accent: #2563eb;--accent-dark: #1d4ed8;--bg: #eef1f6;--card: #ffffff;--border: #e2e8f0;--text: #1e293b;--muted: #64748b;--radius: 12px;--shadow: 0 1px 3px rgba(15, 23, 42, .08), 0 4px 12px rgba(15, 23, 42, .06)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:Inter,Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text)}.app{display:flex;min-height:100vh}.sidebar{width:248px;flex-shrink:0;background:linear-gradient(180deg,var(--sb-bg),var(--sb-bg2));color:var(--sb-text);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;transition:width .2s ease;z-index:30}.app.collapsed .sidebar{width:72px}.brand{display:flex;align-items:center;gap:10px;padding:18px 16px 14px;color:#fff}.brand-logo{height:36px;width:auto;flex-shrink:0}.login-logo{height:52px;margin-bottom:10px;background:#0e1a30;border-radius:12px;padding:6px 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svg{width:19px;height:19px;flex-shrink:0}.nav-item:hover{background:#ffffff12;color:#fff}.nav-item.active{background:#2563eb38;color:var(--sb-active)}.nav-item.active:before{content:"";position:absolute;left:-10px;top:8px;bottom:8px;width:4px;border-radius:0 4px 4px 0;background:var(--accent)}.nav-label{white-space:nowrap;overflow:hidden}.app.collapsed .nav-label{display:none}.nav-badge{margin-left:auto;background:var(--accent);color:#fff;font-size:11px;font-weight:700;min-width:20px;height:20px;border-radius:10px;display:flex;align-items:center;justify-content:center;padding:0 6px}.app.collapsed .nav-badge{position:absolute;top:2px;right:2px;margin:0}.sb-footer{padding:12px;border-top:1px solid 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svg{width:18px;height:18px}.page-title{font-size:18px;font-weight:700;margin:0}.page-sub{font-size:12.5px;color:var(--muted);margin:2px 0 0}.topbar-right{margin-left:auto;display:flex;align-items:center;gap:10px}.content{padding:24px;max-width:1180px;width:100%;margin:0 auto}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin-bottom:16px}.card h3{margin:0 0 4px;font-size:15.5px}.card .desc{color:var(--muted);font-size:13px;margin:0 0 12px}.grid-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-bottom:16px}.stat{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px 16px}.stat .v{font-size:24px;font-weight:800}.stat .l{font-size:12px;color:var(--muted);margin-top:2px}.stat.alert .v{color:#b45309}.stat.danger .v{color:#dc2626}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 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