:root{--xanh: #0f5fa8;--xanh-dam: #0b4a82;--nen: #f4f6f9;--vien: #dde3ea;--chu: #1f2937;--chu-mo: #6b7280;--do: #d92d20;--xanh-la: #16a34a;--vang: #f59e0b}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--nen);color:var(--chu)}a{color:var(--xanh);text-decoration:none}.man-hinh-dang-nhap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--xanh-dam),var(--xanh))}.hop-dang-nhap{background:#fff;padding:40px;border-radius:12px;width:360px;box-shadow:0 10px 40px #0003}.hop-dang-nhap h1{font-size:22px;margin:0 0 4px}.hop-dang-nhap p.mo-ta{color:var(--chu-mo);margin:0 0 24px;font-size:14px}.khung{display:flex;min-height:100vh}.thanh-ben{width:230px;background:var(--xanh-dam);color:#fff;flex-shrink:0;display:flex;flex-direction:column}.thanh-ben .logo{padding:20px 18px;font-weight:700;font-size:18px;border-bottom:1px solid rgba(255,255,255,.15)}.thanh-ben nav{padding:12px 0;flex:1}.thanh-ben nav a{display:block;color:#ffffffd9;padding:11px 20px;font-size:14.5px}.thanh-ben nav a:hover{background:#ffffff14}.thanh-ben nav a.active{background:#ffffff29;color:#fff;font-weight:600}.noi-dung{flex:1;display:flex;flex-direction:column;min-width:0}.thanh-tren{height:58px;background:#fff;border-bottom:1px solid var(--vien);display:flex;align-items:center;justify-content:space-between;padding:0 24px}.thanh-tren .nguoi-dung{display:flex;align-items:center;gap:12px;font-size:14px}.vung-trang{padding:24px;flex:1}.tieu-de-trang{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;flex-wrap:wrap;gap:10px}.tieu-de-trang h2{margin:0;font-size:20px}.thanh-cong-cu{display:flex;gap:8px;flex-wrap:wrap}.nut{border:1px solid var(--vien);background:#fff;padding:8px 14px;border-radius:7px;font-size:14px;cursor:pointer;display:inline-flex;align-items:center;gap:6px}.nut:hover{background:#f0f2f5}.nut.chinh{background:var(--xanh);border-color:var(--xanh);color:#fff}.nut.chinh:hover{background:var(--xanh-dam)}.nut.nguy-hiem{color:var(--do);border-color:#f3c6c1}.nut.nguy-hiem:hover{background:#fdf1f0}.nut:disabled{opacity:.5;cursor:not-allowed}.nut.nho{padding:5px 10px;font-size:13px}.khung-bang{background:#fff;border:1px solid var(--vien);border-radius:10px;overflow:auto}table{width:100%;border-collapse:collapse;font-size:14px}thead th{text-align:left;background:#f9fafb;padding:10px 14px;border-bottom:1px solid var(--vien);color:var(--chu-mo);font-weight:600;white-space:nowrap}tbody td{padding:10px 14px;border-bottom:1px solid #eef1f4;vertical-align:top}tbody tr:last-child td{border-bottom:none}tbody tr:hover{background:#fafcff}td.so,th.so{text-align:right}.trong{padding:40px;text-align:center;color:var(--chu-mo)}.form-luoi{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 18px}.form-o{display:flex;flex-direction:column;gap:5px}.form-o.rong{grid-column:1 / -1}.form-o label{font-size:13px;font-weight:600;color:var(--chu-mo)}input,select,textarea{border:1px solid var(--vien);border-radius:7px;padding:9px 11px;font-size:14px;font-family:inherit;width:100%}input:focus,select:focus,textarea:focus{outline:2px solid #bcd8f2;border-color:var(--xanh)}.the-panel{background:#fff;border:1px solid var(--vien);border-radius:10px;padding:20px;margin-bottom:18px}.the-panel h3{margin:0 0 16px;font-size:15px}.hang-nut{display:flex;gap:8px;margin-top:18px}.nhan{display:inline-block;padding:3px 9px;border-radius:100px;font-size:12.5px;font-weight:600}.nhan.xam{background:#eef1f4;color:#4b5563}.nhan.xanh{background:#e6f4ea;color:var(--xanh-la)}.nhan.vang{background:#fef3e0;color:#b45309}.nhan.do{background:#fdecea;color:var(--do)}.nhan.xanh-duong{background:#e6f0fb;color:var(--xanh)}.canh-bao{background:#fdecea;color:var(--do);border:1px solid #f3c6c1;padding:10px 14px;border-radius:8px;font-size:13.5px;margin-bottom:14px}.tim-kiem{max-width:280px}.chi-tiet-dong-header{display:flex;justify-content:space-between;align-items:center;margin:20px 0 10px}.tong-cong{text-align:right;font-size:15px;margin-top:12px}.tong-cong b{font-size:18px;color:var(--xanh-dam)}