.nhd28-summary{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:0 0 14px}
.nhd28-summary .card{padding:15px 17px;display:flex;flex-direction:column;gap:3px;min-width:0}
.nhd28-summary b{font-size:22px;color:#1F3864;line-height:1.05}
.nhd28-summary span{font-size:12px;color:#6f7f95}
.nhd28-filter-grid{display:grid;grid-template-columns:minmax(220px,1.7fr) repeat(6,minmax(130px,1fr));gap:8px;margin-bottom:10px}
.nhd28-filter-grid input,.nhd28-filter-grid select{width:100%;min-width:0}
.nhd28-filter-actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 12px}
.nhd28-filter-actions .pill{margin-left:auto}
.nhd28-labels{display:flex;flex-wrap:wrap;gap:4px;margin-top:7px}
.nhd28-label{display:inline-flex;align-items:center;border-radius:999px;padding:3px 7px;font:700 10px/1.2 "Segoe UI",sans-serif;background:#eef3f8;color:#53657c;border:1px solid #dce5ef;white-space:nowrap}
.nhd28-label.l-thieu_hinh,.nhd28-label.l-xung_dot_ma_cau,.nhd28-label.l-can_kiem_tra_noi_dung{background:#fff0ea;color:#9b3f17;border-color:#f3c7b5}
.nhd28-label.l-chua_co_dap_an,.nhd28-label.l-chua_co_loi_giai,.nhd28-label.l-chua_xac_dinh_muc_do{background:#fff8df;color:#7d6114;border-color:#eddc9b}
.nhd28-label.l-can_kiem_tra_phan_loai{background:#eef4ff;color:#315f9d;border-color:#cbdaf0}
.nhd28-label.l-gan_giong_90,.nhd28-label.l-gan_giong_95{background:#f2ecff;color:#6540a1;border-color:#d9cbef}
.nhd28-label.l-gan_giong_95{background:#eee5ff;color:#512d91;border-color:#cbb8ed}
.nhd28-stem-main{font-family:"Times New Roman",serif;font-size:15px;line-height:1.45;color:#1d2a3d;max-width:620px;white-space:normal}
.nhd28-score{display:inline-flex;min-width:54px;justify-content:center;border-radius:999px;padding:5px 8px;font-weight:800;background:#f2ecff;color:#5b3995}
.nhd28-score.high{background:#eadfff;color:#43217e}
.nhd28-pages{display:flex;align-items:center;justify-content:center;gap:7px;padding:13px;border-top:1px solid #e4eaf1}
.nhd28-pages button{border:1px solid #d6e0ea;background:#fff;border-radius:8px;padding:6px 10px;cursor:pointer;color:#38516d}
.nhd28-pages button.on{background:#1F3864;color:#fff;border-color:#1F3864}
.nhd28-pages button:disabled{opacity:.4;cursor:not-allowed}
.nhd28-compare{display:grid;gap:12px}
.nhd28-pair{display:grid;grid-template-columns:86px minmax(0,1fr) 34px minmax(0,1fr);gap:12px;align-items:stretch;padding:14px}
.nhd28-pair-score{display:grid;place-items:center;border-right:1px solid #e0e7ef}
.nhd28-pair-score b{font-size:24px;color:#5a3693}
.nhd28-pair-score small{color:#7d8ca0}
.nhd28-pair-q{min-width:0;display:flex;flex-direction:column;gap:6px}
.nhd28-pair-q p{margin:0;font-family:"Times New Roman",serif;font-size:15px;line-height:1.42;color:#233147}
.nhd28-pair-q small{color:#718096}
.nhd28-pair-arrow{display:grid;place-items:center;color:#9aa8ba;font-size:20px}
.nhd28-audit{margin:14px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.nhd28-audit>.card{padding:0;overflow:hidden}
.nhd28-audit-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid #e6ebf1}
.nhd28-audit-body{padding:14px 16px;display:grid;gap:9px}
.nhd28-source,.nhd28-near{border:1px solid #e2e8f0;border-radius:10px;padding:10px 11px;display:flex;gap:8px;align-items:flex-start;justify-content:space-between}
.nhd28-source small,.nhd28-near small{color:#748398}
.nhd28-source div,.nhd28-near div{display:grid;gap:3px;min-width:0}
.nhd28-check-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.nhd28-muted{color:#7b899c;font-size:12px}
.nhd28-tf-wrap{display:grid;gap:12px;margin-top:8px}
.nhd28-tf-item{border:1px solid #dfe6ef;border-radius:12px;background:#fbfcfe;padding:12px}
.nhd28-tf-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.nhd28-tf-head b{display:grid;place-items:center;min-width:32px;height:28px;padding:0 5px;border-radius:8px;background:#1F3864;color:#fff;text-transform:none}
.nhd28-tf-grid{display:grid;grid-template-columns:1.2fr 1.2fr .7fr;gap:8px;margin:8px 0}
.nhd28-tf-item textarea{width:100%;min-height:64px}
.nhd28-tf-item textarea.nhd28-tf-solution{min-height:50px}
.nhd28-tab-count{display:inline-grid;place-items:center;min-width:20px;height:20px;padding:0 5px;margin-left:4px;border-radius:999px;background:#eee7fb;color:#58358e;font-size:10px;font-weight:800}
.nhd28-alert{border:1px solid #efcc9b;background:#fff8e9;color:#70531b;padding:10px 12px;border-radius:10px;margin:0 0 12px}
@media(max-width:1280px){.nhd28-filter-grid{grid-template-columns:repeat(3,minmax(160px,1fr))}.nhd28-filter-grid input{grid-column:span 2}.nhd28-summary{grid-template-columns:repeat(2,1fr)}}
@media(max-width:820px){.nhd28-summary,.nhd28-audit{grid-template-columns:1fr}.nhd28-filter-grid{grid-template-columns:1fr}.nhd28-filter-grid input{grid-column:auto}.nhd28-pair{grid-template-columns:70px 1fr}.nhd28-pair-arrow{display:none}.nhd28-pair-q:last-child{grid-column:2}.nhd28-tf-grid{grid-template-columns:1fr}.nhd28-table-hide-mobile{display:none}}