/* Cong cu Nhan xet hoc ba (lib/cc/nhan-xet-hoc-ba.php + assets/cc/nhan-xet-hoc-ba.js). Mau theo :root cua trang. */
.nx-h { font-size: 20px; display: flex; align-items: center; gap: 10px; margin: 0 0 14px; }
.nx-n { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--pri); color: #fff; font-size: 15px; flex: none; }
.nx-dim { color: var(--ink2); font-weight: 500; }
.nx-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px 18px; align-items: start; }
.nx-grid .cc-chips { gap: 6px; }
.nx-grid .cc-chip { padding: 7px 12px; font-size: 13.5px; }
.nx-chk { display: flex; gap: 8px; align-items: center; font-size: 14px; font-weight: 600; color: var(--ink2); align-self: end; padding-bottom: 6px; cursor: pointer; }
.nx-chk input { width: 18px; height: 18px; accent-color: var(--pri); flex: none; }
.nx-subs-f { margin-top: 16px; }
.nx-subs-f .cc-chip { font-size: 13.5px; padding: 7px 12px; }
.nx-subs-f .cc-chip:not(.on) { color: var(--ink2); text-decoration: line-through; text-decoration-color: rgba(0,0,0,.25); }

.nx-cls-in { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 16px; align-items: start; }
.nx-cls-act { display: flex; flex-direction: column; gap: 10px; align-items: flex-start; padding-top: 26px; }
.nx-add { display: flex; gap: 8px; width: 100%; }
.nx-add .cc-in { flex: 1; min-width: 0; font-size: 15px; padding: 8px 12px; }
.nx-cls-act .cc-note { margin: 0; }

.nx-work-h { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 8px 14px; }
.nx-work-h .nx-h { margin-bottom: 6px; }
.nx-mode .cc-chip { font-size: 13px; padding: 6px 12px; }
.nx-legend { margin: 0 0 12px; line-height: 2; }
.nx-tools { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.nx-tools #nx-gen { margin-left: auto; }

/* nut muc */
.nx-lv { display: inline-grid; place-items: center; min-width: 30px; height: 30px; padding: 0 6px; border-radius: 9px; font: inherit; font-weight: 800; font-size: 14px; border: 1.5px solid var(--line); background: var(--bg); color: var(--ink2); cursor: pointer; line-height: 1; }
b.nx-lv, span.nx-lv { cursor: default; min-width: 24px; height: 24px; font-size: 12.5px; border: 0; vertical-align: middle; }
.nx-lv.t.on, b.nx-lv.t, span.nx-lv.t { background: #DCFCE7; color: #166534; border-color: #86EFAC; }
.nx-lv.h.on, b.nx-lv.h, span.nx-lv.h { background: #DBEAFE; color: #1E40AF; border-color: #93C5FD; }
.nx-lv.c.on, b.nx-lv.c, span.nx-lv.c { background: #FFEDD5; color: #9A3412; border-color: #FDBA74; }
.nx-cy { min-width: 38px; height: 32px; }
.nx-cy:focus-visible, .nx-seg .nx-lv:focus-visible { outline: 2px solid var(--pri); outline-offset: 1px; }
.nx-seg { display: inline-flex; gap: 4px; }
.nx-seg .nx-lv { min-width: 40px; height: 36px; }

/* o nhan xet */
.nx-ta-w { margin-top: 6px; }
.nx-ta { width: 100%; font: inherit; font-size: 14.5px; line-height: 1.45; color: var(--ink); background: var(--bg); border: 1.5px solid var(--line); border-radius: 10px; padding: 7px 9px; resize: vertical; min-height: 64px; }
.nx-ta:focus { outline: 2px solid var(--pri); outline-offset: 0; border-color: transparent; background: #fff; }
.nx-ta-f { display: flex; justify-content: space-between; align-items: center; gap: 6px; margin-top: 2px; }
.nx-cnt { font-size: 12px; color: var(--ink2); }
.nx-cnt.over { color: #B91C1C; font-weight: 700; }
.nx-swap { border: 0; background: transparent; font-size: 16px; cursor: pointer; padding: 2px 6px; border-radius: 8px; line-height: 1.2; }
.nx-swap:hover { background: var(--soft); }
.nx-lvmode .nx-ta-w { display: none; }
.nx-bh { display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.nx-kq { font-size: 13px; font-weight: 700; color: var(--ink2); display: inline-flex; gap: 6px; align-items: center; }
.nx-kq select { font: inherit; font-size: 13px; padding: 4px 6px; border-radius: 8px; border: 1.5px solid var(--line); background: var(--bg); color: var(--ink); max-width: 100%; }
.nx-items { display: flex; flex-wrap: wrap; gap: 6px 10px; }
.nx-it { display: inline-flex; align-items: center; gap: 4px; font-size: 12.5px; font-weight: 600; color: var(--ink2); }
.nx-it .nx-cy { min-width: 30px; height: 28px; font-size: 13px; }
.nx-tbl .nx-items { gap: 6px 6px; }
.nx-tbl .nx-it { flex-direction: column; gap: 2px; font-size: 11.5px; min-width: 52px; line-height: 1.2; text-align: center; }
.nx-tbl .nx-it .nx-cy { min-width: 40px; height: 26px; }

/* bang ca lop (man rong) */
.nx-scroll { overflow: auto; max-height: 78vh; border: 1px solid var(--line); border-radius: 14px; background: var(--card); -webkit-overflow-scrolling: touch; }
.nx-tbl { border-collapse: separate; border-spacing: 0; min-width: 100%; font-size: 14px; }
.nx-tbl th, .nx-tbl td { border-bottom: 1px solid var(--line); border-right: 1px solid var(--line); padding: 8px; vertical-align: top; text-align: left; background: var(--card); }
.nx-tbl thead th { position: sticky; top: 0; z-index: 2; background: var(--soft); font-size: 13px; font-weight: 800; color: var(--ink); vertical-align: bottom; }
.nx-tbl .nx-stt { color: var(--ink2); font-weight: 600; }
.nx-tbl .nx-name { position: sticky; left: 0; z-index: 1; min-width: 170px; max-width: 200px; box-shadow: 2px 0 0 var(--line); }
.nx-tbl thead .nx-name { z-index: 3; background: var(--soft); }
.nx-nm { font-weight: 700; line-height: 1.3; }
.nx-row-act { display: flex; gap: 4px; margin-top: 4px; }
.nx-row-act button { border: 1px solid var(--line); background: var(--bg); border-radius: 8px; font-size: 13px; padding: 2px 7px; cursor: pointer; color: var(--ink2); }
.nx-row-act button:hover { background: var(--soft); }
.nx-col-m { min-width: 84px; }
.nx-col-g { min-width: 300px; }
.nx-col-m .nx-bh { justify-content: center; }
.nx-colb { border: 0; background: none; font: inherit; font-weight: 800; color: var(--ink); cursor: pointer; padding: 2px 4px; border-radius: 6px; text-align: left; line-height: 1.25; }
.nx-colb:hover { background: rgba(255,255,255,.7); text-decoration: underline dotted; }
#nx:not(.nx-lvmode) .nx-col-m { min-width: 240px; }
#nx:not(.nx-lvmode) .nx-col-g { min-width: 320px; }
#nx:not(.nx-lvmode) .nx-col-m .nx-bh { justify-content: flex-start; }

.nx-empty { text-align: center; padding: 30px 14px; border: 1.5px dashed var(--line); border-radius: 16px; }
.nx-empty-i { font-size: 34px; }
.nx-empty .cc-note { margin: 6px auto 0; max-width: 420px; }

/* the tung em (man hep) */
.nx-card { display: flex; flex-direction: column; gap: 12px; }
.nx-nav { display: flex; align-items: center; gap: 8px; }
.nx-nav .btn { flex: none; min-width: 48px; font-size: 20px; padding: 6px 12px; }
.nx-nav .nx-pick { flex: 1; min-width: 0; font-weight: 700; font-size: 15px; padding: 9px 10px; }
.nx-nav.bot { justify-content: space-between; }
.nx-sec { border: 1px solid var(--line); border-radius: 16px; padding: 12px; background: var(--bg); }
.nx-sec h3 { font-size: 15px; margin: 0 0 6px; }
.nx-sec > .nx-b + .nx-b { border-top: 1px dashed var(--line); margin-top: 10px; padding-top: 10px; }
.nx-bn { font-weight: 700; font-size: 15px; }
.nx-bt { font-weight: 800; font-size: 15px; margin-bottom: 8px; }
.nx-card .nx-items { display: grid; grid-template-columns: 1fr; gap: 6px; }
.nx-card .nx-it { justify-content: space-between; font-size: 14px; }
.nx-card .nx-ta { background: #fff; }
.nx-card-act { display: flex; flex-wrap: wrap; gap: 8px; }
.nx-card-act .btn { flex: 1 1 auto; }
.nx-del { color: #B91C1C !important; }

.nx-exp { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; margin-top: 16px; }
.nx-exp .cc-note { flex: 1 1 260px; margin: 0; }
.nx-cta { margin-top: 16px; display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; background: linear-gradient(135deg, var(--soft), #fff); border: 1.5px dashed var(--pri); border-radius: 16px; padding: 14px 16px; }
.nx-cta > div { flex: 1 1 260px; }
.nx-cta .cc-note { flex: 1 1 100%; margin: 0; }

/* noi dung SEO */
.nx-seo { max-width: 980px; margin: 44px auto 0; }
.nx-seo .cc-h2 { margin-top: 36px; }
.nx-seo > .muted { max-width: 760px; }
.nx-seo-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 14px; }
.nx-seo-c { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 18px; min-width: 0; }
.nx-seo-c h3 { font-size: 18px; margin-bottom: 6px; }
.nx-seo-c h4 { font-size: 14.5px; margin: 12px 0 4px; display: flex; gap: 8px; align-items: center; }
.nx-seo-c ul { margin: 0; padding-left: 18px; }
.nx-seo-c li, .nx-seo-c p { font-size: 14.5px; color: var(--ink2); margin: 0 0 6px; line-height: 1.5; }
.nx-seo .faq { max-width: none; }

/* ban in */
.nx-print { display: none; }
@media print {
  body.cc-printing .nx-print.cc-print-area { display: block !important; }
  .nx-print h2 { font-size: 16pt; margin: 0 0 8pt; }
  .nx-p-st { break-inside: avoid; margin-bottom: 12pt; }
  .nx-p-st h3 { font-size: 12.5pt; margin: 0 0 4pt; }
  .nx-p-st table { width: 100%; border-collapse: collapse; font-size: 10.5pt; }
  .nx-p-st th, .nx-p-st td { border: 1px solid #999; padding: 3pt 5pt; vertical-align: top; text-align: left; }
  .nx-p-st td:first-child { width: 22%; font-weight: 600; }
  .nx-p-st td.lv { width: 9%; text-align: center; font-weight: 700; }
  .nx-p-st td.lv.sm { font-size: 9pt; font-weight: 500; text-align: left; width: 16%; }
}

@media (max-width: 760px) {
  .nx-desk-only { display: none; }
  .nx-cls-in { grid-template-columns: 1fr; }
  .nx-cls-act { padding-top: 0; }
  .nx-tools .btn { flex: 1 1 auto; }
  .nx-tools #nx-gen { margin-left: 0; flex-basis: 100%; }
  .nx-h { font-size: 18px; }
  .nx-grid { grid-template-columns: 1fr; }
  .nx-exp .btn { flex: 1 1 auto; }
}