:root{--bg: #f4f6f4;--surface: #ffffff;--surface-2: #fafbfa;--border: #dfe4de;--border-strong: #c4ccc4;--text: #1a2419;--text-dim: #5c6a5a;--text-faint: #8a968a;--green: #2f7d32;--green-dark: #1f5c22;--green-soft: #e8f2e8;--amber: #b26a00;--amber-soft: #fdf3e2;--red: #b3261e;--red-soft: #fdeceb;--blue: #1c5f8f;--blue-soft: #e8f1f8;--radius: 10px;--shadow: 0 1px 2px rgba(20, 40, 20, .06), 0 1px 8px rgba(20, 40, 20, .04);--mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.5 system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit;color:inherit}.shell{display:flex;min-height:100vh}.sidebar{width:226px;flex:0 0 226px;background:var(--surface);border-right:1px solid 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var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.card-head{padding:13px 16px;border-bottom:1px solid var(--border);display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}.card-head h3{margin:0;font-size:14px;font-weight:650}.card-head .sub{font-size:12px;color:var(--text-faint)}.card-body{padding:16px}.card-body.tight{padding:0}.grid{display:grid;gap:14px}.grid.c2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}.grid.c3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.grid.c4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.grid.stats{grid-template-columns:repeat(auto-fit,minmax(178px,1fr))}.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:13px 15px;box-shadow:var(--shadow)}.stat-label{font-size:11.5px;color:var(--text-dim);font-weight:500}.stat-value{font-size:21px;font-weight:660;margin-top:3px;letter-spacing:-.02em;font-variant-numeric:tabular-nums}.stat-meta{font-size:11.5px;color:var(--text-faint);margin-top:3px}.stat.accent-green .stat-value{color:var(--green-dark)}.stat.accent-red .stat-value{color:var(--red)}.stat.accent-amber .stat-value{color:var(--amber)}.progress{height:6px;background:var(--border);border-radius:99px;overflow:hidden;margin-top:7px}.progress>span{display:block;height:100%;border-radius:99px;background:var(--green);transition:width .3s}.progress.over>span{background:var(--blue)}.progress.warn>span{background:var(--amber)}.progress.bad>span{background:var(--red)}.badge{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:600;padding:2px 7px;border-radius:5px;background:var(--surface-2);color:var(--text-dim);border:1px solid 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var(--border);background:var(--surface-2)}.alert.info{background:var(--blue-soft);border-color:#c3d9e8;color:#17405e}.alert.warn{background:var(--amber-soft);border-color:#f0dcb9;color:#7a4a00}.alert.error{background:var(--red-soft);border-color:#f2c9c6;color:var(--red)}.alert strong{font-weight:650}.empty{padding:34px 20px;text-align:center;color:var(--text-faint)}.empty h4{margin:0 0 5px;font-size:14px;color:var(--text-dim)}.loading{padding:30px;text-align:center;color:var(--text-faint);font-size:13px}.muted{color:var(--text-faint)}.dim{color:var(--text-dim)}.small{font-size:12px}.nowrap{white-space:nowrap}.right{text-align:right}.dot{width:8px;height:8px;border-radius:99px;display:inline-block}.dot.do{background:var(--red)}.dot.vang{background:var(--amber)}.dot.xanh{background:var(--green)}.dot.khong_ban{background:var(--border-strong)}.login-page{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(160deg,#eef3ee,#f7f9f7)}.login-card{width:100%;max-width:372px}.login-card .card-body{display:flex;flex-direction:column;gap:13px}.login-head{text-align:center;padding:22px 20px 4px}.login-head .brand-mark{margin:0 auto 11px;width:42px;height:42px;font-size:15px}.login-head h1{margin:0;font-size:17px}.login-head p{margin:5px 0 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