/* Giao dien Hoat dong / Cuoc thi / Ngan hang / Thu suc / Bai doc (Portal v2).
   Chi dung bien --v2-* trong tokens.css, co chu dung rem de "Chu lon" phong duoc. */

#noi-dung:has(.activity-portal) {
  background: var(--v2-bg);
}

.activity-portal {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.125rem 1rem 2.5rem;
  font-family: var(--v2-f-ui) !important;
  color: var(--v2-ink);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  box-sizing: border-box;
}

@media (min-width: 768px) {
  .activity-portal {
    padding: 1.25rem 1.5rem 3.75rem;
  }
}

@media (min-width: 1025px) {
  .activity-portal {
    font-size: 1.125rem;
  }
}

.activity-portal *,
.activity-portal *::before,
.activity-portal *::after {
  box-sizing: border-box;
}

.activity-portal [hidden] {
  display: none !important;
}

.activity-portal :focus-visible,
.contest-flow-page :focus-visible {
  outline: 3px solid var(--v2-blue) !important;
  outline-offset: 2px;
  border-radius: 6px;
}

.activity-portal .hp {
  position: absolute !important;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* ---------- Duong dan (Breadcrumbs) ---------- */
.activity-portal .crumbs {
  margin: 0 0 1.125rem;
}

.activity-portal .crumbs ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 0.125rem;
  font-size: 0.9375rem;
  color: var(--v2-ink-2);
  line-height: 1.5;
  font-family: var(--v2-f-ui);
}

.activity-portal .crumbs li {
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.activity-portal .crumbs li + li::before {
  content: "›" !important;
  margin: 0 0.375rem !important;
  color: var(--v2-line-2) !important;
  font-weight: 700 !important;
  font-size: 0.9375rem !important;
  width: auto !important;
  height: auto !important;
  background: none !important;
  display: inline !important;
}

.activity-portal .crumbs a {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  color: var(--v2-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 600;
  font-size: 0.9375rem;
}

.activity-portal .crumbs a:hover {
  color: var(--v2-navy);
}

.activity-portal .crumbs [aria-current],
.activity-portal .crumbs [aria-current="page"],
.activity-portal .crumbs [aria-current] span,
.activity-portal .crumbs [aria-current="page"] span {
  font-weight: 700;
  color: var(--v2-ink);
  font-size: 0.9375rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 60vw;
}

/* ---------- Tieu de trang (Page header) ---------- */
.activity-portal .pageh {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.activity-portal .pageh .eyebrow,
.activity-portal .eyebrow,
.contest-flow-page .activity-portal .pageh .eyebrow,
.contest-flow-page .activity-portal .eyebrow {
  display: block !important;
  font-size: 0.84375rem !important;
  font-weight: 800 !important;
  letter-spacing: 0.08em !important;
  text-transform: uppercase !important;
  color: var(--v2-navy) !important;
  margin: 0 !important;
  line-height: 1.2 !important;
  font-family: var(--v2-f-ui) !important;
}

.activity-portal .pageh .eyebrow::before,
.activity-portal .eyebrow::before,
.contest-flow-page .activity-portal .pageh .eyebrow::before,
.contest-flow-page .activity-portal .eyebrow::before {
  display: none !important;
  content: none !important;
  width: 0 !important;
  height: 0 !important;
}

.activity-portal .pageh-title-wrap {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.activity-portal .pageh h1,
.contest-flow-page .activity-portal .pageh h1 {
  font-family: var(--v2-f-ui) !important;
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--v2-navy);
  margin: 0;
  line-height: 1.25;
  text-wrap: balance;
}

@media (min-width: 768px) {
  .activity-portal .pageh h1,
  .contest-flow-page .activity-portal .pageh h1 {
    font-size: 2rem;
  }
}

@media (min-width: 1025px) {
  .activity-portal .pageh h1,
  .contest-flow-page .activity-portal .pageh h1 {
    font-size: 2.25rem;
  }
}

.activity-portal .pageh h1:focus {
  outline: none;
}

.activity-portal .pageh .lead {
  font-family: var(--v2-f-ui) !important;
  font-size: 1.03125rem;
  color: var(--v2-ink-2);
  max-width: none;
  margin: 0;
  line-height: 1.5;
}

@media (min-width: 1025px) {
  .activity-portal .pageh .lead {
    font-size: 1.09375rem;
    max-width: none;
  }
}

/* Bieu tuong o vuong (Spot badge) */
.activity-portal .spot {
  flex: none;
  width: 2.875rem;
  height: 2.875rem;
  border-radius: 0.8125rem;
  display: grid;
  place-items: center;
  background: var(--v2-blue-soft);
  color: var(--v2-blue);
}

.activity-portal .spot.h {
  background: var(--v2-hold-soft);
  color: var(--v2-hold);
}

.activity-portal .spot.s {
  background: var(--v2-stop-soft);
  color: var(--v2-stop);
}

.activity-portal .ic {
  width: 1.5rem;
  height: 1.5rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
}

/* ---------- Anh minh hoa dau trang (820px max-width, 16:9) ---------- */
.activity-portal .pageh-hero-wrap,
.activity-portal .attc-visual {
  display: block;
  position: relative;
  overflow: hidden;
  width: 100%;
  max-width: 820px;
  margin: 1.375rem 0 1.625rem;
  border-radius: var(--v2-r);
  background: var(--v2-fig-bg);
  border: 1px solid var(--v2-blue-line);
  box-shadow: var(--v2-shadow-hero);
}

.activity-portal .pageh-hero-img,
.activity-portal .attc-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: center;
  border-radius: 0 !important;
  max-height: none !important;
  color: transparent;
}

.activity-portal .pageh-hero-wrap.wide .pageh-hero-img,
.activity-portal .attc-visual.wide img {
  aspect-ratio: 1.91 / 1;
}

.activity-portal .act-fig {
  margin: 0 0 1.375rem;
  display: grid;
  gap: 0.375rem;
  max-width: 820px;
}

.activity-portal .act-fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--v2-r);
  background: var(--v2-fig-bg);
}

.activity-portal .act-fig figcaption {
  font-size: 0.84375rem;
  line-height: 1.45;
  color: var(--v2-ink-2);
}

/* Anh de chia se cho nguoi than (/cuoc-thi/) */
.activity-portal .act-share {
  display: grid;
  gap: 0.875rem;
  margin-top: 1.625rem;
}

.activity-portal .act-share h2 {
  margin: 0;
  font-family: var(--v2-f-ui) !important;
  font-size: 1.375rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--v2-navy);
}

@media (min-width: 1025px) {
  .activity-portal .act-share h2 {
    font-size: 1.5625rem;
  }
}

.activity-portal .act-share > p {
  margin: 0;
  color: var(--v2-ink);
}

.activity-portal .act-sharegal {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  align-items: start;
}

@media (min-width: 768px) {
  .activity-portal .act-sharegal {
    grid-template-columns: repeat(2, minmax(0, 250px));
    gap: 1.125rem;
  }
}

.activity-portal .act-shimg {
  display: grid;
  gap: 0.5rem;
  color: inherit;
  text-decoration: none;
  min-width: 0;
}

.activity-portal .act-shimg:hover {
  color: inherit;
}

.activity-portal .act-shimg img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 0.75rem;
  border: 1px solid var(--v2-line);
  background: var(--v2-fig-bg);
}

.activity-portal .act-shimg b {
  display: block;
  font-size: 0.96875rem;
  line-height: 1.35;
  color: var(--v2-navy);
}

.activity-portal .act-shimg small {
  display: block;
  font-size: 0.84375rem;
  line-height: 1.4;
  color: var(--v2-ink-2);
}

.activity-portal .act-shimg:hover b {
  color: var(--v2-navy);
  text-decoration: underline;
}

/* ---------- Hop thong tin (Facts / Box) ---------- */
.activity-portal .box {
  background: var(--v2-surface);
  border: 1px solid var(--v2-line);
  border-radius: var(--v2-r);
  padding: 1rem;
}

@media (min-width: 768px) {
  .activity-portal .box {
    padding: 1.25rem;
  }
}

.activity-portal .facts {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 1.375rem;
}

.activity-portal .facts p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--v2-ink);
}

.activity-portal .fact {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--v2-ink);
  font-family: var(--v2-f-ui) !important;
}

@media (min-width: 1025px) {
  .activity-portal .fact {
    font-size: 1.03125rem;
  }
}

.activity-portal .fact .spot {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.6875rem;
  background: var(--v2-blue-soft);
  color: var(--v2-blue);
}

.activity-portal .fact .spot .ic {
  width: 1.3125rem;
  height: 1.3125rem;
}

.activity-portal .fact span:not(.spot) {
  flex: 1;
  min-width: 0;
  color: var(--v2-ink);
}

.activity-portal .fact b {
  font-weight: 700;
  color: var(--v2-ink);
}

.activity-portal .fill {
  color: var(--v2-ink);
}

.activity-portal .fill a,
.activity-portal .facts a {
  color: var(--v2-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 600;
}

.activity-portal .fill a:hover,
.activity-portal .facts a:hover {
  color: var(--v2-navy);
}

/* ---------- Dong nut hanh dong (Buttons) ---------- */
.activity-portal .btnrow {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  align-items: center;
  margin-bottom: 1rem;
}

.activity-portal .btn,
.contest-flow-page .activity-portal .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3rem;
  padding: 0.6875rem 1.125rem;
  border-radius: 0.75rem !important;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  border: 0;
  line-height: 1.2;
  font-family: var(--v2-f-ui) !important;
  transition: filter 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
  box-sizing: border-box;
  max-width: 100%;
}

.activity-portal .btn .ic {
  width: 1.25rem;
  height: 1.25rem;
}

.activity-portal .btn.pri,
.activity-portal .btn.btn--primary,
.contest-flow-page .activity-portal .btn.pri,
.contest-flow-page .activity-portal .btn.btn--primary {
  background: var(--v2-blue);
  color: var(--v2-on-strong);
}

.activity-portal .btn.pri:hover,
.activity-portal a.btn.pri:hover,
.activity-portal .btn.btn--primary:hover,
.contest-flow-page .activity-portal .btn.pri:hover,
.contest-flow-page .activity-portal a.btn.pri:hover,
.contest-flow-page .activity-portal .btn.btn--primary:hover {
  filter: brightness(1.07);
  background: var(--v2-blue);
  color: var(--v2-on-strong);
}

.activity-portal .btn.pri:disabled,
.activity-portal .btn.pri[disabled],
.activity-portal .btn[disabled],
.contest-flow-page .activity-portal .btn:disabled,
.contest-flow-page .activity-portal .btn[disabled] {
  opacity: 0.5;
  background: var(--v2-blue);
  color: var(--v2-on-strong);
  cursor: not-allowed;
}

.activity-portal .btn.ghost,
.contest-flow-page .activity-portal .btn.ghost {
  border: 1.5px solid var(--v2-line-2);
  background: var(--v2-surface);
  color: var(--v2-ink);
}

.activity-portal .btn.ghost:hover,
.activity-portal a.btn.ghost:hover,
.contest-flow-page .activity-portal .btn.ghost:hover,
.contest-flow-page .activity-portal a.btn.ghost:hover {
  border-color: var(--v2-blue);
  color: var(--v2-blue);
  background: var(--v2-surface);
}

.activity-portal .btn.sm,
.contest-flow-page .activity-portal .btn.sm {
  min-height: 3rem;
  padding: 0.625rem 1rem;
  font-size: 0.96875rem;
}

.activity-portal .small {
  font-family: var(--v2-f-ui) !important;
  font-size: 1rem;
  color: var(--v2-ink-2);
  line-height: 1.5;
  margin-top: 0.875rem;
  margin-bottom: 0;
}

/* ---------- Thanh quay lai (Back row) ---------- */
.activity-portal .backrow {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 1.125rem;
}

.activity-portal .backrow .btn.ghost.sm,
.contest-flow-page .activity-portal .backrow .btn.ghost.sm {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 3rem;
  padding: 0.625rem 1rem;
  border-radius: 0.75rem !important;
  border: 1.5px solid var(--v2-line-2) !important;
  background: var(--v2-surface) !important;
  color: var(--v2-ink) !important;
  font-family: var(--v2-f-ui) !important;
  font-weight: 700;
  font-size: 0.96875rem;
  text-decoration: none;
  cursor: pointer;
  box-shadow: none;
}

.activity-portal .backrow .btn.ghost.sm:hover,
.contest-flow-page .activity-portal .backrow .btn.ghost.sm:hover {
  border-color: var(--v2-blue) !important;
  color: var(--v2-blue) !important;
  background: var(--v2-surface) !important;
}

.activity-portal .backrow .btn.ghost.sm .ic {
  width: 1.125rem;
  height: 1.125rem;
  stroke: currentColor;
  stroke-width: 2.2;
  fill: none;
}

/* ---------- Trang Dang ky du thi (/thi/) ---------- */
.activity-portal .sec {
  display: grid;
  gap: 0.875rem;
  margin-bottom: 1.5rem;
}

.activity-portal .sec > h2 {
  font-family: var(--v2-f-ui) !important;
  font-size: 1.375rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--v2-navy);
  margin: 0;
}

@media (min-width: 1025px) {
  .activity-portal .sec > h2 {
    font-size: 1.5625rem;
  }
}

.activity-portal .form {
  display: grid;
  gap: 0.875rem;
}

.activity-portal .f2 {
  display: grid;
  gap: 0.875rem;
}

@media (min-width: 640px) {
  .activity-portal .f2 {
    grid-template-columns: 1fr 1fr;
  }
}

.activity-portal .f2 label {
  font-size: 0.9375rem;
  font-weight: 700;
  display: grid;
  gap: 0.375rem;
  color: var(--v2-ink);
  font-family: var(--v2-f-ui) !important;
}

.activity-portal .f2 label em {
  font-style: normal;
  font-weight: 400;
  color: var(--v2-ink-2);
}

.activity-portal input[type="text"],
.activity-portal input[type="tel"],
.activity-portal .field {
  width: 100%;
  font-family: var(--v2-f-ui) !important;
  font-size: 1rem;
  font-weight: 400;
  color: var(--v2-ink);
  background: var(--v2-surface);
  border: 2px solid var(--v2-line-2);
  border-radius: 0.75rem;
  padding: 0.75rem 0.875rem;
  min-height: 3rem;
  height: auto;
  box-sizing: border-box;
  box-shadow: none;
}

.activity-portal input[type="text"]::placeholder,
.activity-portal input[type="tel"]::placeholder,
.activity-portal .field::placeholder {
  color: var(--v2-ink-2);
  opacity: 1;
}

.activity-portal input:focus,
.activity-portal .field:focus {
  border-color: var(--v2-blue);
  box-shadow: none;
  outline: none;
}

.activity-portal input[aria-invalid="true"],
.activity-portal .field[aria-invalid="true"] {
  border-color: var(--v2-stop) !important;
  background: var(--v2-stop-soft) !important;
}

.activity-portal .note {
  border-radius: var(--v2-r);
  padding: 0.875rem 1rem;
  display: grid;
  gap: 0.375rem;
  font-size: 0.96875rem;
  line-height: 1.55;
  margin-bottom: 1rem;
  font-family: var(--v2-f-ui) !important;
}

.activity-portal .note > b {
  font-size: 1rem;
}

.activity-portal .note p {
  margin: 0;
}

.activity-portal .note.b {
  background: var(--v2-blue-soft);
  color: var(--v2-ink);
}

.activity-portal .note.b > b {
  color: var(--v2-blue);
}

.activity-portal .note.g {
  background: var(--v2-sunk) !important;
  color: var(--v2-ink) !important;
}

.activity-portal .plain {
  margin: 0;
  padding-left: 1.25rem;
  display: grid;
  gap: 0.375rem;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--v2-ink);
  font-family: var(--v2-f-ui) !important;
}

.activity-portal .allin {
  background: var(--v2-sunk);
  border-radius: var(--v2-r);
  padding: 0.875rem;
  display: grid;
  gap: 0.5rem;
  font-family: var(--v2-f-ui) !important;
}

.activity-portal .allin > b {
  font-size: 1rem;
  color: var(--v2-ink);
}

.activity-portal .allin ul {
  margin: 0;
  padding-left: 1.25rem;
  display: grid;
  gap: 0.375rem;
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--v2-ink);
}

.activity-portal .check {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 0.875rem;
  border: 2px solid var(--v2-line-2);
  border-radius: 0.75rem;
  background: var(--v2-surface);
  font-size: 0.96875rem;
  line-height: 1.5;
  cursor: pointer;
  color: var(--v2-ink);
  font-family: var(--v2-f-ui) !important;
}

.activity-portal .check input {
  width: 1.375rem;
  height: 1.375rem;
  margin: 0.125rem 0 0;
  accent-color: var(--v2-blue);
  flex: none;
}

.activity-portal .check.one {
  border-color: var(--v2-blue);
  background: var(--v2-blue-soft);
}

.activity-portal .err,
.activity-portal .formerr {
  background: var(--v2-stop-soft);
  color: var(--v2-stop);
  font-weight: 700;
  font-size: 0.9375rem;
  border-radius: 0.625rem;
  padding: 0.625rem 0.875rem;
  margin: 0;
  font-family: var(--v2-f-ui) !important;
}

.activity-portal .peek {
  display: grid !important;
  gap: 0.5rem !important;
  margin: 1.375rem 0 1.125rem !important;
  padding: 0 !important;
  border: none !important;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
}

.activity-portal .peekbtn {
  display: flex !important;
  gap: 0.75rem !important;
  align-items: center !important;
  width: 100% !important;
  padding: 0.75rem 0.875rem !important;
  border: 1px solid var(--v2-line) !important;
  border-radius: var(--v2-r) !important;
  background: var(--v2-surface) !important;
  cursor: pointer !important;
  text-align: left !important;
  font-family: var(--v2-f-ui) !important;
  box-sizing: border-box !important;
  box-shadow: none !important;
}

.activity-portal .peekbtn span:not(.spot) {
  flex: 1;
  min-width: 0;
  display: grid;
  gap: 0.125rem;
}

.activity-portal .peekbtn b {
  font-size: 1rem;
  font-weight: 700;
  color: var(--v2-ink);
  line-height: 1.35;
}

.activity-portal .peekbtn small {
  font-size: 0.84375rem;
  color: var(--v2-ink-2);
  line-height: 1.35;
}

.activity-portal .peekbtn .ic {
  width: 1.25rem;
  height: 1.25rem;
  transition: transform 0.15s ease;
  color: var(--v2-blue);
  flex-shrink: 0;
}

.activity-portal .peekbtn[aria-expanded="true"] .ic {
  transform: rotate(90deg);
}

.activity-portal .peekbody {
  padding: 0.25rem 0.125rem;
}

.activity-portal .more {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  min-height: 3rem;
  font-weight: 700;
  font-size: 0.96875rem;
  color: var(--v2-blue);
  text-decoration: none;
  padding: 0.375rem 0;
  cursor: pointer;
  background: transparent;
  border: none;
  font-family: var(--v2-f-ui) !important;
}

.activity-portal .more:hover {
  color: var(--v2-navy);
  text-decoration: underline;
}

.activity-portal .more .ic {
  width: 1.125rem;
  height: 1.125rem;
}

/* ==========================================================================
   Dong bo giao dien luong cuoc thi & ngan hang (/thi/, /ngan-hang/)
   Ghi de cac style cu cua contest.css, contest-quiz.css, contest-flow-blocks.css
   ========================================================================== */
.contest-flow-page {
  background: var(--v2-bg) !important;
  color: var(--v2-ink) !important;
  font-family: var(--v2-f-ui) !important;
  min-height: 80vh;
}

.contest-flow-page .page-hero--contest,
.contest-flow-page .page-hero {
  display: none !important;
}

.contest-flow-page .contest {
  position: static !important;
  margin-top: 0 !important;
  padding-top: 1.5rem !important;
  padding-bottom: 4rem !important;
  background: transparent !important;
}

.contest-flow-page .contest__main,
.contest-flow-page #vh,
.contest-flow-page #eh,
.contest-flow-page #regview {
  scroll-margin-top: calc(var(--site-header-height, 62px) + 1.5rem) !important;
}

.contest-flow-page .contest .container,
.contest-flow-page .contest__row {
  display: block !important;
  max-width: 1200px !important;
  width: 100% !important;
  margin: 0 auto !important;
  padding-inline: 16px !important;
  box-sizing: border-box !important;
}

@media (min-width: 768px) {
  .contest-flow-page .contest .container,
  .contest-flow-page .contest__row {
    padding-inline: 24px !important;
  }
}

.contest-flow-page .contest__side,
.contest-flow-page #sidecards {
  display: none !important;
}

.contest-flow-page .contest__main {
  flex: 0 0 100% !important;
  max-width: 100% !important;
  width: 100% !important;
  border: none !important;
  box-shadow: none !important;
  padding: 0 !important;
  margin: 0 !important;
  background: transparent !important;
}

.contest-flow-page .activity-portal {
  padding-top: 0 !important;
  padding-inline: 0 !important;
  max-width: 100% !important;
}

.contest-flow-page .activity-portal .qin,
.contest-flow-page .activity-portal .exam__done {
  max-width: none !important;
  width: 100% !important;
  margin: 0 !important;
}

/* Chon cuoc thi & thong bao trang thai lich thi (register.js) */
.activity-portal .contest__block,
.activity-portal #pickbox {
  margin: 0 0 1.375rem;
  display: grid;
  gap: 0.875rem;
}

.activity-portal .exam__loading {
  padding: 1.5rem 0;
  margin: 0;
  font-size: 1rem;
  color: var(--v2-ink-2) !important;
}

.activity-portal .notebox {
  background: var(--v2-surface);
  border: 1px solid var(--v2-line);
  border-radius: var(--v2-r);
  padding: 1rem 1.25rem;
  font-size: 0.96875rem;
  line-height: 1.55;
  color: var(--v2-ink);
  display: grid;
  gap: 0.5rem;
}

.activity-portal .notebox > b {
  font-size: 1rem;
  color: var(--v2-navy);
}

.activity-portal .notebox p {
  margin: 0;
}

.activity-portal .notebox ul {
  margin: 0;
  padding-left: 1.25rem;
  display: grid;
  gap: 0.375rem;
  color: var(--v2-ink);
}

.activity-portal .cinfo {
  background: var(--v2-surface);
  border: 1px solid var(--v2-line);
  border-radius: var(--v2-r);
  padding: 1rem 1.25rem;
  display: grid;
  gap: 0.25rem;
}

.activity-portal .cinfo h3 {
  margin: 0;
  font-family: var(--v2-f-ui) !important;
  font-size: 1.125rem;
  font-weight: 800;
  line-height: 1.3;
  color: var(--v2-navy);
}

.activity-portal .cinfo p {
  margin: 0;
  font-size: 0.96875rem;
  color: var(--v2-ink-2);
}

.activity-portal .cpick__h {
  margin: 0.25rem 0 0;
  font-family: var(--v2-f-ui) !important;
  font-size: 1.3125rem;
  font-weight: 800;
  line-height: 1.3;
  color: var(--v2-navy);
}

.activity-portal .cpick__intro {
  margin: 0;
  font-size: 1rem;
  color: var(--v2-ink-2);
}

.activity-portal .cpick__list {
  margin: 0.25rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.625rem;
}

.activity-portal .cpick__card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  text-decoration: none;
  color: var(--v2-ink);
  padding: 1rem 4.25rem 1rem 1.25rem;
  background: var(--v2-surface);
  border: 1px solid var(--v2-line);
  border-radius: var(--v2-r);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.activity-portal .cpick__card:hover {
  border-color: var(--v2-blue);
  box-shadow: var(--v2-shadow-blue);
  color: var(--v2-ink);
}

.activity-portal .cpick__name {
  font-weight: 700;
  font-size: 1.03125rem;
  color: var(--v2-navy);
}

.activity-portal .cpick__desc {
  font-size: 0.9375rem;
  color: var(--v2-ink-2);
}

.activity-portal .cpick__meta {
  font-size: 0.84375rem;
  color: var(--v2-ink-2);
}

.activity-portal .cpick__go {
  position: absolute;
  top: 50%;
  right: 1.25rem;
  transform: translateY(-50%);
  font-weight: 700;
  color: var(--v2-blue);
}

/* Tieu de, eyebrow va mo ta dung chung trong examView (error, done, result, qstem) */
.contest-flow-page .activity-portal .qeyebrow {
  display: inline-flex !important;
  align-items: center !important;
  gap: 0.5rem !important;
  font-family: var(--v2-f-ui) !important;
  font-size: 0.8125rem !important;
  font-weight: 800 !important;
  letter-spacing: 0.06em !important;
  text-transform: uppercase !important;
  color: var(--v2-blue) !important;
  margin: 0 0 0.75rem !important;
  line-height: 1.2 !important;
}

.contest-flow-page .activity-portal .qeyebrow__sq {
  width: 0.5rem !important;
  height: 0.5rem !important;
  background: var(--v2-blue) !important;
  border-radius: 2px !important;
  flex-shrink: 0 !important;
}

.contest-flow-page .activity-portal .contest__h2 {
  font-family: var(--v2-f-ui) !important;
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--v2-navy) !important;
  margin: 0.25rem 0 0;
  outline: none;
  text-wrap: balance;
}

@media (min-width: 768px) {
  .contest-flow-page .activity-portal .contest__h2 {
    font-size: 2rem;
  }
}

@media (min-width: 1025px) {
  .contest-flow-page .activity-portal .contest__h2 {
    font-size: 2.25rem;
  }
}

.contest-flow-page .activity-portal .exam__sub {
  margin: 0.5rem 0 0;
  color: var(--v2-ink-2) !important;
  font-family: var(--v2-f-ui) !important;
  font-size: 1.03125rem;
  line-height: 1.55;
  max-width: 66ch;
}

.contest-flow-page .activity-portal .pageh .contest__h2,
.contest-flow-page .activity-portal .pageh .exam__sub {
  margin: 0;
}

.contest-flow-page .activity-portal .exam__sub b {
  color: var(--v2-ink);
}

.contest-flow-page .activity-portal .exam__sub a,
.contest-flow-page .activity-portal .infobox a {
  color: var(--v2-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 700;
}

.contest-flow-page .activity-portal .exam__sub a:hover,
.contest-flow-page .activity-portal .infobox a:hover {
  color: var(--v2-navy);
}

.contest-flow-page .activity-portal .exam__note {
  margin: 1rem 0 0;
  font-size: 0.84375rem;
  line-height: 1.5;
  color: var(--v2-ink-2) !important;
}

/* Nut .qnav dung chung (error retry, submitbar, ket qua, hop thoai, man cau hoi) */
.contest-flow-page .activity-portal .qnav,
.contest-flow-page .sdlg .qnav {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 0.5rem;
  min-height: 3rem !important;
  height: auto !important;
  padding: 0.6875rem 1.25rem !important;
  border-radius: 0.75rem !important;
  font-family: var(--v2-f-ui) !important;
  font-weight: 700 !important;
  font-size: 0.96875rem !important;
  line-height: 1.25 !important;
  text-decoration: none !important;
  cursor: pointer;
  transition: filter 0.15s ease, border-color 0.15s ease, color 0.15s ease, background-color 0.15s ease !important;
  box-sizing: border-box;
}

.contest-flow-page .activity-portal .qnav .ic,
.contest-flow-page .sdlg .qnav .ic {
  width: 1.25rem;
  height: 1.25rem;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contest-flow-page .activity-portal .qnav.f,
.contest-flow-page .sdlg .qnav.f {
  background: var(--v2-blue) !important;
  color: var(--v2-on-strong) !important;
  border: 0 !important;
  box-shadow: var(--v2-shadow-btn) !important;
}

.contest-flow-page .activity-portal .qnav.f:hover:not(:disabled),
.contest-flow-page .activity-portal a.qnav.f:hover,
.contest-flow-page .sdlg .qnav.f:hover:not(:disabled) {
  filter: brightness(1.07);
  background: var(--v2-blue) !important;
  color: var(--v2-on-strong) !important;
}

.contest-flow-page .activity-portal .qnav.f:disabled,
.contest-flow-page .activity-portal .qnav.f[disabled],
.contest-flow-page .sdlg .qnav.f:disabled,
.contest-flow-page .sdlg .qnav.f[disabled] {
  opacity: 0.5 !important;
  background: var(--v2-blue) !important;
  color: var(--v2-on-strong) !important;
  cursor: not-allowed !important;
  box-shadow: none !important;
}

.contest-flow-page .activity-portal .qnav.o,
.contest-flow-page .sdlg .qnav.o {
  border: 1.5px solid var(--v2-line-2) !important;
  background: var(--v2-surface) !important;
  color: var(--v2-ink) !important;
  box-shadow: none !important;
}

.contest-flow-page .activity-portal .qnav.o:hover:not(:disabled),
.contest-flow-page .activity-portal a.qnav.o:hover,
.contest-flow-page .sdlg .qnav.o:hover:not(:disabled) {
  border-color: var(--v2-blue) !important;
  color: var(--v2-blue) !important;
  background: var(--v2-surface) !important;
}

.contest-flow-page .activity-portal .qnav--s {
  min-height: 2.625rem !important;
  padding: 0.5rem 0.875rem !important;
  font-size: 0.9375rem !important;
}

.contest-flow-page .activity-portal .qnav--block {
  width: 100%;
  margin-top: 0.875rem;
}

/* ---------- Danh sach chuyen de (menuHtml) ---------- */
.activity-portal .rgbar {
  background: var(--v2-blue-soft);
  border-radius: 0.75rem;
  padding: 0.8125rem 1.125rem;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--v2-navy);
  margin-bottom: 1.25rem;
}

.activity-portal .rgbar b {
  font-weight: 700;
  color: var(--v2-navy);
}

.activity-portal .cdlist {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
  display: grid;
  gap: 0.625rem;
}

.activity-portal .cdlist li {
  list-style: none;
  margin: 0;
  padding: 0;
}

.activity-portal .cdlist .cdbtn,
.activity-portal .cdlist .lock {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  width: 100%;
  padding: 0.875rem 1.125rem;
  border: 1px solid var(--v2-line);
  border-radius: var(--v2-r);
  background: var(--v2-surface);
  box-sizing: border-box;
  text-decoration: none;
  color: inherit;
  font-family: var(--v2-f-ui) !important;
  transform: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.activity-portal .cdlist .cdbtn:hover {
  border-color: var(--v2-blue);
  box-shadow: var(--v2-shadow-blue);
  color: inherit;
  transform: none;
}

.activity-portal .cdlist .lock {
  background: var(--v2-surface);
  border-color: var(--v2-line);
  cursor: not-allowed;
  opacity: 0.65;
  color: var(--v2-ink-2);
}

.activity-portal .cdlist .lock:hover {
  border-color: var(--v2-line);
  box-shadow: none;
  transform: none;
}

.activity-portal .cn,
.contest-flow-page .activity-portal .cdlist .qrow__n {
  flex: none;
  width: 2rem !important;
  height: 2rem !important;
  border-radius: 0.5625rem !important;
  background: var(--v2-blue);
  color: var(--v2-on-strong);
  font-weight: 800;
  font-size: 0.90625rem;
  display: grid;
  place-items: center;
}

.activity-portal .cn.s,
.contest-flow-page .activity-portal .cdlist .lock .qrow__n {
  background: var(--v2-neutral-soft);
  color: var(--v2-neutral);
  font-weight: 800;
  font-size: 0.84375rem;
}

.activity-portal .cn.ok,
.contest-flow-page .activity-portal .cdlist .qrow--done .qrow__n {
  background: var(--v2-blue-soft);
  color: var(--v2-blue);
}

.activity-portal .cdlist .ct {
  flex: 1;
  min-width: 0;
  display: grid;
  gap: 0.1875rem;
  font-weight: 700;
  font-size: 1rem;
  color: var(--v2-navy);
  line-height: 1.35;
  text-align: left;
}

.activity-portal .cdlist .qrow__t {
  display: block;
  font-weight: 700;
  font-size: 1rem;
  color: var(--v2-navy);
}

.activity-portal .cdlist .lock .qrow__t {
  color: var(--v2-ink);
}

.activity-portal .cdlist .ct small,
.activity-portal .cdlist .qrow__meta {
  font-weight: 400;
  font-size: 0.84375rem;
  color: var(--v2-ink-2);
}

.activity-portal .cdlist .cdbtn__go {
  flex: none;
  margin-left: auto;
  color: var(--v2-blue);
  font-size: 1.375rem;
  line-height: 1;
  font-weight: 700;
}

.activity-portal .cdlist svg.cdbtn__go {
  width: 1.5rem;
  height: 1.5rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.activity-portal .cdlist .cdbtn:hover .ct,
.activity-portal .cdlist .cdbtn:hover .qrow__t {
  color: var(--v2-navy);
}

.activity-portal .cdlist .cdbtn:hover .cdbtn__go {
  color: var(--v2-blue);
}

.activity-portal .cdlist .lock-ic {
  flex: none;
  margin-left: auto;
  color: var(--v2-neutral);
  display: flex;
  align-items: center;
}

.activity-portal .cdlist .lock-ic svg,
.activity-portal .cdlist .lock-ic .qrow__lock {
  width: 1.125rem;
  height: 1.125rem;
  color: var(--v2-neutral);
}

.activity-portal .gate {
  background: var(--v2-sunk);
  border-radius: 0.75rem;
  padding: 0.875rem 1.125rem;
  font-size: 0.9375rem;
  line-height: 1.5;
  display: grid;
  gap: 0.25rem;
  color: var(--v2-ink);
  margin-bottom: 1.25rem;
}

.activity-portal .gate p {
  margin: 0;
}

.activity-portal .gate b {
  color: var(--v2-navy);
  font-weight: 700;
}

.activity-portal .gate.open {
  background: var(--v2-blue-soft);
}

.activity-portal .pbfoot {
  font-size: 0.84375rem;
  color: var(--v2-ink-2);
  line-height: 1.5;
  margin-top: 1rem;
}

/* ---------- Man gioi thieu Chuyen de (introHtml) ---------- */
.activity-portal.exam-intro-view,
.activity-portal .exam-intro-view {
  display: block;
}

.activity-portal .exam-intro-view .backrow {
  margin-bottom: 1.375rem;
}

.activity-portal .exam-intro-view .pageh {
  margin-bottom: 1.25rem;
}

.activity-portal .exam-intro-view .pageh .eyebrow {
  display: block !important;
  font-family: var(--v2-f-ui) !important;
  font-size: 0.84375rem !important;
  font-weight: 800 !important;
  letter-spacing: 0.08em !important;
  text-transform: uppercase !important;
  color: var(--v2-navy) !important;
  margin-bottom: 0.375rem !important;
}

.activity-portal .exam-intro-view .pageh h1 {
  margin: 0;
}

.activity-portal .exam-intro-view .exam__intro {
  margin: 1rem 0 1.5rem;
  display: grid;
  gap: 0.625rem;
  padding: 1rem;
  background: var(--v2-surface);
  border: 1px solid var(--v2-line);
  border-radius: var(--v2-r);
  font-family: var(--v2-f-ui) !important;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--v2-ink);
}

@media (min-width: 768px) {
  .activity-portal .exam-intro-view .exam__intro {
    padding: 1.25rem;
  }
}

.activity-portal .exam-intro-view .exam__intro p {
  margin: 0;
}

/* Accordion Hieu nhanh may tu */
.activity-portal .terms-peek {
  margin: 1.5rem 0 1.75rem !important;
  border: 1px solid var(--v2-line) !important;
  border-radius: var(--v2-r) !important;
  background: var(--v2-surface) !important;
  overflow: hidden !important;
  box-shadow: var(--v2-shadow-sm) !important;
  padding: 0 !important;
}

.activity-portal .terms-peek .peekbtn {
  display: flex !important;
  align-items: center !important;
  width: 100% !important;
  padding: 1rem 1.25rem !important;
  border: none !important;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  cursor: pointer !important;
  text-align: left !important;
  font-family: var(--v2-f-ui) !important;
  box-sizing: border-box !important;
  transition: background-color 0.15s ease !important;
}

.activity-portal .terms-peek .peekbtn:hover {
  background: var(--v2-sunk) !important;
}

.activity-portal .terms-peek .peekbtn[aria-expanded="true"] {
  border-bottom: 1px solid var(--v2-line) !important;
}

.activity-portal .terms-peek .peekbtn::before,
.activity-portal .terms-peek .peekbtn::after {
  content: none !important;
  display: none !important;
}

.activity-portal .terms-peek .peekbtn span {
  display: flex !important;
  flex-direction: column !important;
  gap: 0.1875rem !important;
  flex: 1 !important;
  min-width: 0 !important;
}

.activity-portal .terms-peek .peekbtn b {
  font-size: 1.03125rem !important;
  font-weight: 700 !important;
  color: var(--v2-navy) !important;
  line-height: 1.35 !important;
}

.activity-portal .terms-peek .peekbtn small {
  font-size: 0.875rem !important;
  color: var(--v2-ink-2) !important;
  font-weight: 400 !important;
  line-height: 1.35 !important;
}

.activity-portal .terms-peek .peekbody {
  background: var(--v2-surface) !important;
  padding: 0.375rem 1.25rem 1.25rem !important;
  border: none !important;
  border-radius: 0 !important;
  box-shadow: none !important;
}

.activity-portal .terms-peek .terms {
  margin: 0 !important;
  padding: 0 !important;
  display: flex !important;
  flex-direction: column !important;
}

.activity-portal .terms-peek .terms div {
  padding: 0.875rem 0 !important;
  border-bottom: 1px solid var(--v2-line) !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 0.25rem !important;
}

.activity-portal .terms-peek .terms div:first-child {
  padding-top: 0.625rem !important;
}

.activity-portal .terms-peek .terms div:last-child {
  border-bottom: none !important;
  padding-bottom: 0 !important;
}

.activity-portal .terms-peek .terms dt {
  font-weight: 700 !important;
  font-size: 0.96875rem !important;
  color: var(--v2-navy) !important;
  margin: 0 !important;
}

.activity-portal .terms-peek .terms dd {
  margin: 0 !important;
  font-size: 0.90625rem !important;
  line-height: 1.55 !important;
  color: var(--v2-ink-2) !important;
}

/* Nut hanh dong trong intro, done, error, result */
.activity-portal .contest__actions,
.activity-portal .exam__actions,
.activity-portal .btnrow.exam__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
}

/* ---------- Man hinh lam cau hoi trac nghiem (#chuyen-de-N/cau-hoi) ---------- */
.contest-flow-page .activity-portal .qtop {
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.contest-flow-page .activity-portal .qcount {
  font-family: var(--v2-f-ui) !important;
  font-weight: 800 !important;
  font-size: 0.9375rem !important;
  color: var(--v2-ink-2) !important;
  font-variant-numeric: tabular-nums;
}

.contest-flow-page .activity-portal .qbar {
  display: block !important;
  width: 100% !important;
  height: 6px !important;
  margin: 0.625rem 0 1.5rem !important;
  border: 0 !important;
  border-radius: 999px !important;
  overflow: hidden !important;
  background: var(--v2-line) !important;
  appearance: none !important;
  -webkit-appearance: none !important;
}

.contest-flow-page .activity-portal .qbar::-webkit-progress-bar {
  background: var(--v2-line) !important;
}

.contest-flow-page .activity-portal .qbar::-webkit-progress-value {
  background: var(--v2-blue) !important;
  border-radius: 999px !important;
  transition: width 0.3s ease;
}

.contest-flow-page .activity-portal .qbar::-moz-progress-bar {
  background: var(--v2-blue) !important;
  border-radius: 999px !important;
}

.contest-flow-page .activity-portal .qsit {
  background: var(--v2-sunk) !important;
  border-radius: 0.75rem !important;
  padding: 0.75rem 1rem !important;
  font-size: 0.96875rem !important;
  line-height: 1.55 !important;
  color: var(--v2-ink) !important;
  margin-bottom: 1.125rem !important;
  border: none !important;
}

.contest-flow-page .activity-portal .qsit b {
  display: block !important;
  font-size: 0.75rem !important;
  letter-spacing: 0.08em !important;
  text-transform: uppercase !important;
  color: var(--v2-ink-2) !important;
  margin-bottom: 0.25rem !important;
  font-weight: 800 !important;
}

.contest-flow-page .activity-portal .qtitle {
  font-family: var(--v2-f-ui) !important;
  font-size: 1.25rem !important;
  font-weight: 800 !important;
  line-height: 1.45 !important;
  color: var(--v2-ink) !important;
  margin: 0 0 1.25rem !important;
  outline: none !important;
}

@media (min-width: 768px) {
  .contest-flow-page .activity-portal .qtitle {
    font-size: 1.4375rem !important;
  }
}

@media (min-width: 1025px) {
  .contest-flow-page .activity-portal .qtitle {
    font-size: 1.5rem !important;
  }
}

.contest-flow-page .activity-portal .qopts {
  display: flex !important;
  flex-direction: column !important;
  gap: 0.625rem !important;
}

/* Cau hai dap an (Dung/Sai): contest-quiz.css dat flex 1 1 14rem de xep ngang; o day xep doc nen
   14rem thanh chieu cao. Ban chinh thuc xep moi cau nhu nhau, moi dap an mot dong. */
.contest-flow-page .activity-portal .qopts--duo .qopt {
  flex: none !important;
}

.contest-flow-page .activity-portal .qopt {
  display: flex !important;
  flex-wrap: nowrap !important;
  align-items: center !important;
  gap: 0.75rem !important;
  width: 100% !important;
  padding: 0.8125rem 1.125rem !important;
  border: 2px solid var(--v2-line-2) !important;
  border-radius: 0.75rem !important;
  background: var(--v2-surface) !important;
  font-family: var(--v2-f-ui) !important;
  font-size: 1rem !important;
  line-height: 1.5 !important;
  color: var(--v2-ink) !important;
  text-align: left !important;
  cursor: pointer !important;
  box-shadow: none !important;
  transform: none !important;
  transition: border-color 0.15s ease, background-color 0.15s ease !important;
}

.contest-flow-page .activity-portal .qopt .ql {
  flex: none !important;
  width: 1.75rem !important;
  height: 1.75rem !important;
  border-radius: 0.5rem !important;
  background: var(--v2-neutral-soft) !important;
  color: var(--v2-ink-2) !important;
  font-weight: 800 !important;
  font-size: 0.875rem !important;
  display: grid !important;
  place-items: center !important;
  margin: 0 !important;
  transition: background-color 0.15s ease, color 0.15s ease !important;
}

.contest-flow-page .activity-portal .qopt .qt {
  flex: 1 !important;
  min-width: 0 !important;
  font-weight: 500 !important;
  color: inherit !important;
}

.contest-flow-page .activity-portal .qopt:hover:not(:disabled) {
  border-color: var(--v2-blue) !important;
  background: var(--v2-surface) !important;
  transform: none !important;
  box-shadow: none !important;
}

.contest-flow-page .activity-portal .qopt:hover:not(:disabled) .ql {
  background: var(--v2-blue-soft) !important;
  color: var(--v2-blue) !important;
}

.contest-flow-page .activity-portal .qopt:disabled {
  cursor: default !important;
  opacity: 1 !important;
}

.contest-flow-page .activity-portal .qopt.right {
  border-color: var(--v2-blue) !important;
  background: var(--v2-blue-soft) !important;
}

.contest-flow-page .activity-portal .qopt.right .ql {
  background: var(--v2-blue) !important;
  color: var(--v2-on-strong) !important;
}

.contest-flow-page .activity-portal .qmark--ok {
  color: var(--v2-blue) !important;
  font-weight: 700 !important;
  font-size: 0.875rem !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 0.375rem !important;
  margin-left: auto !important;
  flex-shrink: 0 !important;
}

.contest-flow-page .activity-portal .qmark--ok svg {
  stroke: var(--v2-blue) !important;
}

.contest-flow-page .activity-portal .qopt.wrong {
  border-color: var(--v2-stop) !important;
  background: var(--v2-stop-soft) !important;
}

.contest-flow-page .activity-portal .qopt.wrong .ql {
  background: var(--v2-stop) !important;
  color: var(--v2-on-strong) !important;
}

.contest-flow-page .activity-portal .qmark--no {
  color: var(--v2-stop) !important;
  font-weight: 700 !important;
  font-size: 0.875rem !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 0.375rem !important;
  margin-left: auto !important;
  flex-shrink: 0 !important;
}

.contest-flow-page .activity-portal .qmark--no svg {
  stroke: var(--v2-stop) !important;
}

.contest-flow-page .activity-portal .qopt.dim {
  opacity: 0.65 !important;
  border-color: var(--v2-line) !important;
  background: var(--v2-surface) !important;
}

.contest-flow-page .activity-portal .qnote {
  margin: 0.875rem 0 0;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--v2-stop);
}

.contest-flow-page .activity-portal .qresult {
  margin-top: 1.5rem !important;
  padding-top: 1.125rem !important;
  border-top: 1px solid var(--v2-line) !important;
  display: grid !important;
  gap: 0.75rem !important;
}

.contest-flow-page .activity-portal .qresult__head {
  font-family: var(--v2-f-ui) !important;
  font-size: 1.03125rem !important;
  color: var(--v2-ink) !important;
  margin: 0 !important;
  outline: none !important;
}

.contest-flow-page .activity-portal .qok {
  color: var(--v2-blue) !important;
  font-weight: 800 !important;
}

.contest-flow-page .activity-portal .qno {
  color: var(--v2-stop) !important;
  font-weight: 800 !important;
}

.contest-flow-page .activity-portal .qexp {
  display: grid !important;
  gap: 0.375rem !important;
  margin: 0 !important;
}

.contest-flow-page .activity-portal .qexp p {
  margin: 0 !important;
  padding: 0.5rem 0.75rem !important;
  border-radius: 0.5rem !important;
  font-size: 0.9375rem !important;
  line-height: 1.55 !important;
  color: var(--v2-ink-2) !important;
  background: transparent !important;
  border: none !important;
}

.contest-flow-page .activity-portal .qexp p b {
  color: var(--v2-ink) !important;
}

.contest-flow-page .activity-portal .qexp p.isans {
  background: var(--v2-blue-soft) !important;
  color: var(--v2-ink) !important;
  font-weight: 600 !important;
  padding: 0.625rem 0.875rem !important;
  border-radius: 0.5rem !important;
}

.contest-flow-page .activity-portal .qsafe {
  background: var(--v2-blue-soft) !important;
  border-radius: 0.75rem !important;
  padding: 0.875rem 1.125rem !important;
  font-size: 0.96875rem !important;
  line-height: 1.55 !important;
  color: var(--v2-ink) !important;
  margin-top: 0.375rem !important;
  border: none !important;
}

.contest-flow-page .activity-portal .qsafe b {
  display: flex !important;
  align-items: center !important;
  gap: 0.5rem !important;
  font-size: 0.75rem !important;
  letter-spacing: 0.08em !important;
  text-transform: uppercase !important;
  color: var(--v2-blue) !important;
  margin-bottom: 0.25rem !important;
  font-weight: 800 !important;
}

.contest-flow-page .activity-portal .qsafe .qeyebrow__sq {
  background: var(--v2-blue) !important;
  width: 7px !important;
  height: 7px !important;
  border-radius: 1px !important;
}

.contest-flow-page .activity-portal .qactions {
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 0.75rem !important;
  align-items: center !important;
  margin-top: 1.5rem !important;
}

.contest-flow-page .activity-portal .qwait,
.contest-flow-page .activity-portal #qwait {
  font-family: var(--v2-f-ui) !important;
  font-size: 0.90625rem !important;
  color: var(--v2-ink-2) !important;
  font-weight: 500 !important;
  margin: 0 !important;
}

@media (max-width: 560px) {
  .contest-flow-page .activity-portal .qopt {
    flex-wrap: wrap !important;
  }

  .contest-flow-page .activity-portal .qopt .qmark {
    flex-basis: 100% !important;
    padding-left: 2.5rem !important;
    margin-top: 0.25rem !important;
  }
}

@media (max-width: 480px) {
  .contest-flow-page .activity-portal .qactions {
    flex-direction: column !important;
    align-items: stretch !important;
  }

  .contest-flow-page .activity-portal .qactions .qnav,
  .contest-flow-page .activity-portal .exam__done .exam__actions .qnav {
    width: 100%;
    justify-content: center;
  }
}

/* ---------- Hop thong bao, Thanh nop bai & Bang ket qua (submit.js / exam.js) ---------- */
.contest-flow-page .activity-portal .infobox {
  margin-top: 1.125rem;
  border-radius: var(--v2-r) !important;
  padding: 0.875rem 1.125rem !important;
  font-size: 0.96875rem !important;
  line-height: 1.55 !important;
}

.contest-flow-page .activity-portal .infobox--ok {
  background: var(--v2-blue-soft) !important;
  border: 1px solid var(--v2-blue-soft) !important;
  color: var(--v2-ink) !important;
}

.contest-flow-page .activity-portal .infobox--ok > b {
  color: var(--v2-blue) !important;
}

.contest-flow-page .activity-portal .infobox--soft {
  background: var(--v2-sunk) !important;
  border: 1px solid var(--v2-line) !important;
  color: var(--v2-ink) !important;
}

.contest-flow-page .activity-portal .infobox--warn {
  background: var(--v2-stop-soft) !important;
  border: 1px solid var(--v2-stop-soft) !important;
  color: var(--v2-ink) !important;
}

.contest-flow-page .activity-portal .infobox--warn > b {
  color: var(--v2-stop) !important;
}

.contest-flow-page .activity-portal .submitbar {
  display: flex !important;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.25rem;
  margin-bottom: 1.25rem;
}

.contest-flow-page .activity-portal .submitbar p {
  margin: 0;
  flex: 1 1 16rem;
  color: var(--v2-ink);
}

.contest-flow-page .activity-portal .submitbar .qnav {
  flex: none;
}

.contest-flow-page .activity-portal .restable {
  margin-top: 1.375rem;
  width: 100%;
  border-collapse: collapse;
  font-size: 0.96875rem;
  background: var(--v2-surface);
  border: 1px solid var(--v2-line);
  border-radius: var(--v2-r);
  overflow: hidden;
}

.contest-flow-page .activity-portal .restable th,
.contest-flow-page .activity-portal .restable td {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--v2-line);
  text-align: left;
  vertical-align: middle;
  color: var(--v2-ink);
}

.contest-flow-page .activity-portal .restable thead th {
  border-top: 0;
  background: var(--v2-sunk);
  font-size: 0.8125rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--v2-navy);
}

.contest-flow-page .activity-portal .restable td {
  white-space: nowrap;
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--v2-navy);
}

.contest-flow-page .activity-portal .restable thead th:last-child {
  text-align: right;
}

.contest-flow-page .activity-portal .restable__n {
  display: inline-grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  margin-right: 0.625rem;
  border-radius: 0.5rem;
  background: var(--v2-blue-soft);
  color: var(--v2-blue);
  font-size: 0.8125rem;
  font-weight: 800;
}

/* ---------- Hop thoai nop bai (<dialog id="sdlg">) ---------- */
.contest-flow-page .sdlg {
  width: min(35rem, calc(100% - 2rem));
  max-height: calc(100dvh - 2rem);
  padding: 0;
  border: 1px solid var(--v2-line);
  border-radius: var(--v2-r);
  background: var(--v2-surface);
  color: var(--v2-ink);
  font-family: var(--v2-f-ui);
  font-size: 1rem;
  line-height: 1.55;
  box-shadow: var(--v2-shadow);
  overflow: auto;
}

.contest-flow-page .sdlg::backdrop {
  background: var(--v2-backdrop);
}

.contest-flow-page .sdlg__form {
  padding: 1.5rem;
  display: grid;
  gap: 1rem;
}

.contest-flow-page .sdlg__h {
  margin: 0;
  font-size: 1.375rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--v2-navy);
  outline: none;
}

.contest-flow-page .sdlg__sum {
  margin: 0;
  color: var(--v2-ink);
  font-size: 1rem;
}

.contest-flow-page .sdlg__anon,
.contest-flow-page .sdlg__legal {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--v2-ink-2);
}

.contest-flow-page .sdlg__fields {
  display: grid;
  gap: 0.875rem;
}

.contest-flow-page .sdlg .fieldgrid {
  display: grid;
  gap: 0.875rem;
}

.contest-flow-page .sdlg .fieldgrid label {
  display: grid;
  gap: 0.375rem;
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--v2-ink);
}

.contest-flow-page .sdlg .fieldgrid .optional {
  font-weight: 400;
  color: var(--v2-ink-2);
}

.contest-flow-page .sdlg .field {
  width: 100%;
  font-family: var(--v2-f-ui);
  font-size: 1rem;
  font-weight: 400;
  color: var(--v2-ink);
  background: var(--v2-surface);
  border: 2px solid var(--v2-line-2);
  border-radius: 0.75rem;
  padding: 0.75rem 0.875rem;
  min-height: 3rem;
  height: auto;
  box-sizing: border-box;
  box-shadow: none;
}

.contest-flow-page .sdlg .field::placeholder {
  color: var(--v2-ink-2);
  opacity: 1;
}

.contest-flow-page .sdlg .field:focus {
  border-color: var(--v2-blue);
  box-shadow: none;
  outline: none;
}

.contest-flow-page .sdlg .field[aria-invalid="true"] {
  border-color: var(--v2-stop);
  background: var(--v2-stop-soft);
}

.contest-flow-page .sdlg .consent {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  cursor: pointer;
  padding: 0.875rem;
  border: 2px solid var(--v2-blue);
  border-radius: 0.75rem;
  background: var(--v2-blue-soft);
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--v2-ink);
}

.contest-flow-page .sdlg .consent input {
  width: 1.375rem;
  height: 1.375rem;
  margin: 0.125rem 0 0;
  flex: none;
  accent-color: var(--v2-blue);
}

.contest-flow-page .sdlg .formerr {
  margin: 0;
  background: var(--v2-stop-soft);
  color: var(--v2-stop);
  font-weight: 700;
  font-size: 0.9375rem;
  border-radius: 0.625rem;
  padding: 0.625rem 0.875rem;
}

.contest-flow-page .sdlg__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  align-items: center;
}

@media (max-width: 480px) {
  .contest-flow-page .sdlg {
    width: 100%;
    max-width: none;
    max-height: 100dvh;
    height: 100dvh;
    margin: 0;
    border-radius: 0;
    border: 0;
  }

  .contest-flow-page .sdlg__form {
    padding: 1.25rem 1rem 1.75rem;
  }

  .contest-flow-page .sdlg__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .contest-flow-page .sdlg__actions .qnav,
  .contest-flow-page .activity-portal .submitbar .qnav {
    width: 100%;
    justify-content: center;
  }
}

/* ---------- Man Thu suc: 8 cau (/thu-suc/) ---------- */
.activity-portal .quiz-status {
  padding: 1.5rem 0;
  font-size: 1rem;
  color: var(--v2-ink-2);
}

.activity-portal .quiz-nav {
  margin-top: 1.25rem;
}

.activity-portal .quiz-more {
  margin-top: 0.875rem;
}

.activity-portal .dots {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.25rem 0 1.5rem;
}

.activity-portal .dots button {
  display: grid;
  place-items: center;
  text-align: center;
  width: 3rem;
  height: 3rem;
  min-width: 3rem;
  min-height: 3rem;
  border-radius: 0.5625rem;
  background: var(--v2-surface);
  border: 1.5px solid var(--v2-line-2);
  color: var(--v2-ink);
  font-weight: 700;
  font-size: 0.9375rem;
  font-family: var(--v2-f-ui) !important;
  cursor: pointer;
  box-sizing: border-box;
  transition: all 0.15s ease;
}

.activity-portal .dots button:hover {
  border-color: var(--v2-blue);
  color: var(--v2-blue);
}

.activity-portal .dots button[aria-current="true"],
.activity-portal .dots button[aria-current="true"].done {
  background: var(--v2-blue) !important;
  border-color: var(--v2-blue) !important;
  color: var(--v2-on-strong) !important;
}

.activity-portal .dots button.done {
  border-color: var(--v2-blue) !important;
  color: var(--v2-blue) !important;
}

.activity-portal .qz {
  background: var(--v2-surface);
  border: 1px solid var(--v2-line);
  border-radius: var(--v2-r);
  padding: 1.25rem 1.5rem;
  display: grid;
  gap: 1rem;
  box-sizing: border-box;
  box-shadow: var(--v2-shadow-sm);
}

.activity-portal .qzcd {
  font-size: 0.84375rem;
  font-weight: 700;
  color: var(--v2-blue);
  letter-spacing: 0.02em;
  margin: 0;
}

.activity-portal .qzsit {
  background: var(--v2-sunk);
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
  font-size: 0.96875rem;
  line-height: 1.55;
  color: var(--v2-ink);
}

.activity-portal .qzsit b {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--v2-ink-2);
  margin-bottom: 0.1875rem;
}

.activity-portal .qzq {
  font-size: 1.15625rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--v2-ink);
  margin: 0;
}

.activity-portal .qzopts {
  display: grid;
  gap: 0.625rem;
}

.activity-portal .qzo {
  display: flex;
  gap: 0.875rem;
  align-items: center;
  width: 100%;
  padding: 0.8125rem 1rem;
  border: 2px solid var(--v2-line-2);
  border-radius: 0.75rem;
  background: var(--v2-surface);
  font-size: 1rem;
  line-height: 1.5;
  font-family: var(--v2-f-ui) !important;
  cursor: pointer;
  text-align: left;
  color: var(--v2-ink);
  box-sizing: border-box;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.activity-portal .qzo:hover:not(:disabled) {
  border-color: var(--v2-blue);
}

.activity-portal .qzo:disabled {
  cursor: default;
}

.activity-portal .qzl {
  flex: none;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 0.4375rem;
  background: var(--v2-sunk);
  color: var(--v2-ink-2);
  font-weight: 800;
  font-size: 0.875rem;
  display: grid;
  place-items: center;
  transition: all 0.15s ease;
}

.activity-portal .qzo span:last-child {
  flex: 1;
  min-width: 0;
}

.activity-portal .qzo.right {
  border-color: var(--v2-blue) !important;
  background: var(--v2-blue-soft) !important;
}

.activity-portal .qzo.right .qzl {
  background: var(--v2-blue) !important;
  color: var(--v2-on-strong) !important;
}

.activity-portal .qzo.wrong {
  border-color: var(--v2-stop) !important;
  background: var(--v2-stop-soft) !important;
}

.activity-portal .qzo.wrong .qzl {
  background: var(--v2-stop) !important;
  color: var(--v2-on-strong) !important;
}

.activity-portal .qzres {
  display: grid;
  gap: 0.75rem;
  border-top: 1px solid var(--v2-line);
  padding-top: 1rem;
}

.activity-portal .qzhead {
  font-size: 1.03125rem;
  margin: 0;
  color: var(--v2-ink);
}

.activity-portal .qzhead .ok {
  color: var(--v2-blue);
  font-weight: 800;
}

.activity-portal .qzhead .no {
  color: var(--v2-stop);
  font-weight: 800;
}

.activity-portal .qzexp {
  display: grid;
  gap: 0.5rem;
}

.activity-portal .qzexp p {
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--v2-ink-2);
  margin: 0;
}

.activity-portal .qzexp p.isans {
  color: var(--v2-ink);
  font-weight: 600;
}

.activity-portal .qzsafe {
  background: var(--v2-blue-soft);
  border-radius: 0.75rem;
  padding: 0.875rem 1.125rem;
  font-size: 0.96875rem;
  line-height: 1.55;
  color: var(--v2-ink);
}

.activity-portal .qzsafe b {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--v2-blue);
  margin-bottom: 0.25rem;
}

@media (prefers-reduced-motion: reduce) {
  .activity-portal *,
  .contest-flow-page * {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

@media print {
  #noi-dung:has(.activity-portal) {
    background: Canvas !important;
  }

  .activity-portal .pageh-hero-wrap,
  .activity-portal .attc-visual,
  .activity-portal .act-fig,
  .activity-portal .act-share {
    display: none !important;
  }
}

/* Enterprise practice remains independent of the general-topic gate. */
.practice-enterprise { display: grid; gap: 12px; margin-block: 22px 16px; scroll-margin-top: 130px; }
.practice-enterprise h2, .practice-enterprise p { margin: 0; }
.practice-enterprise h2 { color: var(--v2-navy); font-size: 1.625rem; line-height: 1.35; }
.practice-enterprise .cdlist { margin: 0; }

/* /ngan-hang/: an phan dang ky do may chu ve san cho toi khi exam.js ve xong man tu luyen.
   Neu JS loi hoac bi chan, sau 3 giay tu hien lai de khong de trang trong. */
.contest-flow-page.is-booting { visibility: hidden; animation: contest-boot-reveal 0s 3s forwards; }
@keyframes contest-boot-reveal { to { visibility: visible; } }