/* TB Tutors Quiz. Everything is scoped under .tbq so it cannot leak into the theme. */
.tbq, .tbq *, .tbq *::before, .tbq *::after { box-sizing: border-box; }
.tbq {
  --tbq-navy: #10204A; --tbq-gold: #D9A52B; --tbq-bg: #F0F1F5; --tbq-border: #E3E5EB; --tbq-muted: #5B6477;
  --tbq-ok: #137333; --tbq-bad: #B42318;
  font-family: Inter, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--tbq-navy); line-height: 1.5; font-size: 16px; text-align: left;
}
.tbq.tbq--full { width: 100vw; max-width: 100vw; position: relative; left: calc(50% - 50vw); }
body:has(.tbq--full) { overflow-x: clip; }
.tbq h2, .tbq h3, .tbq p, .tbq ul { margin: 0; padding: 0; }
.tbq ul { list-style: none; }
.tbq .tbq-wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.tbq .tbq-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- hero ---------- */
.tbq .tbq-hero { background: var(--tbq-navy); color: #fff; padding: 44px 0 48px; }
.tbq .tbq-hero-grid { display: grid; grid-template-columns: 1fr; gap: 32px; align-items: center; }
.tbq .tbq-eyebrow { color: var(--tbq-gold); font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 14px; }
.tbq .tbq-h1 { color: #fff; font-size: clamp(32px, 7vw, 54px); line-height: 1.07; font-weight: 800; letter-spacing: -.02em; margin-bottom: 16px; }
.tbq .tbq-sub { color: rgba(255,255,255,.86); font-size: 17px; line-height: 1.6; max-width: 34em; }

.tbq .tbq-sample { background: #fff; color: var(--tbq-navy); border-radius: 20px; overflow: hidden; box-shadow: 0 28px 60px rgba(0,0,0,.34), 0 0 0 1px rgba(255,255,255,.08); }
.tbq .tbq-cbt-bar { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 13px 20px; background: linear-gradient(135deg, #1B2F66, #0B1636); color: #fff; }
.tbq .tbq-cbt-title { display: inline-flex; align-items: center; gap: 9px; font-size: 13px; font-weight: 700; letter-spacing: .04em; }
.tbq .tbq-live { width: 8px; height: 8px; border-radius: 50%; background: #3DDC84; box-shadow: 0 0 0 4px rgba(61,220,132,.2); display: inline-block; }
.tbq .tbq-cbt-timer { font-variant-numeric: tabular-nums; font-weight: 700; font-size: 14px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.18); padding: 3px 12px; border-radius: 999px; }
.tbq .tbq-cbt-body { padding: 20px 20px 4px; }
.tbq .tbq-cbt-meta { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.tbq .tbq-tag { background: #FBF0D2; color: #7A5609; font-size: 12px; font-weight: 700; padding: 4px 11px; border-radius: 999px; }
.tbq .tbq-cbt-count { font-size: 12px; font-weight: 600; color: var(--tbq-muted); }
.tbq .tbq-cbt-prog { height: 5px; border-radius: 99px; background: #E8EAF0; margin-bottom: 18px; overflow: hidden; }
.tbq .tbq-cbt-prog span { display: block; height: 100%; width: 35%; background: var(--tbq-gold); border-radius: 99px; }
.tbq .tbq-sample-q { font-weight: 700; font-size: 18px; line-height: 1.4; margin-bottom: 16px; }
.tbq .tbq-sample-opts li { display: flex; align-items: center; gap: 12px; border: 1px solid var(--tbq-border); border-radius: 12px; padding: 11px 14px; margin-bottom: 10px; font-size: 15px; background: #fff; }
.tbq .tbq-sample-opts li span { width: 28px; height: 28px; flex: none; border-radius: 8px; background: #EEF0F5; font-size: 13px; font-weight: 700; display: grid; place-items: center; }
.tbq .tbq-sample-opts li b { margin-left: auto; font-size: 11px; letter-spacing: .06em; text-transform: uppercase; color: var(--tbq-ok); }
.tbq .tbq-sample-opts li.is-right { border-color: var(--tbq-ok); background: #EEF7F0; font-weight: 600; box-shadow: 0 0 0 3px rgba(19,115,51,.1); }
.tbq .tbq-sample-opts li.is-right span { background: var(--tbq-ok); color: #fff; }
.tbq .tbq-sample-exp { font-size: 13.5px; color: #3E475A; background: #F6F7FA; border-left: 3px solid var(--tbq-gold); border-radius: 0 10px 10px 0; padding: 10px 14px; margin: 4px 0 16px; }
.tbq .tbq-cbt-grid { display: grid; grid-template-columns: repeat(10, 1fr); gap: 5px; padding-bottom: 18px; }
.tbq .tbq-cbt-grid i { font-style: normal; font-size: 11px; font-weight: 700; text-align: center; padding: 5px 0; border-radius: 6px; background: #EEF0F5; color: var(--tbq-muted); }
.tbq .tbq-cbt-grid i.d { background: var(--tbq-navy); color: #fff; }
.tbq .tbq-cbt-grid i.c { background: #fff; color: var(--tbq-navy); box-shadow: inset 0 0 0 2px var(--tbq-gold); }
.tbq .tbq-cbt-foot { display: flex; flex-wrap: wrap; gap: 6px 18px; padding: 13px 20px; background: #F6F7FA; border-top: 1px solid var(--tbq-border); font-size: 12px; font-weight: 600; color: var(--tbq-muted); }
.tbq .tbq-cbt-foot li::before { content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--tbq-gold); margin-right: 7px; vertical-align: middle; }

/* ---------- stage ---------- */
.tbq .tbq-stage { padding: 28px 0 44px; }
.tbq .tbq-stage--home { background: #fff; }
.tbq .tbq-stage--work { background: var(--tbq-bg); }
.tbq .tbq-loading { color: var(--tbq-muted); padding: 24px 0; }
.tbq .tbq-home { max-width: 860px; margin: 0 auto; }
.tbq .tbq-statusrow { margin-bottom: 18px; }
.tbq .tbq-badge { display: inline-block; background: #F0F1F5; color: var(--tbq-muted); font-size: 13px; font-weight: 600; padding: 5px 12px; border-radius: 999px; }
.tbq .tbq-badge--prem { background: #E6F4EA; color: var(--tbq-ok); }
.tbq .tbq-field { margin-bottom: 18px; }
.tbq .tbq-label { display: block; font-size: 13px; font-weight: 700; color: var(--tbq-muted); margin-bottom: 8px; }
.tbq .tbq-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.tbq button.tbq-pill {
  appearance: none; background: #fff; color: var(--tbq-navy); border: 1px solid var(--tbq-border); border-radius: 999px;
  padding: 8px 15px; font: 600 14px/1.2 inherit; font-family: inherit; cursor: pointer; text-transform: none; letter-spacing: 0; box-shadow: none; min-height: 38px;
}
.tbq button.tbq-pill:hover { border-color: var(--tbq-gold); background: #fff; color: var(--tbq-navy); }
.tbq button.tbq-pill[aria-pressed="true"] { background: var(--tbq-navy); color: #fff; border-color: var(--tbq-navy); }
.tbq .tbq-row { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.tbq .tbq-row .tbq-field { margin-bottom: 0; }
.tbq .tbq-grow { flex: 1 1 260px; }
.tbq select.tbq-select, .tbq input.tbq-input {
  width: 100%; height: 50px; border: 1px solid #C9CDD8; border-radius: 10px; background: #fff; color: var(--tbq-navy);
  padding: 0 14px; font: 500 16px/1.2 inherit; font-family: inherit; box-shadow: none; margin: 0;
}
.tbq select.tbq-select:focus, .tbq input.tbq-input:focus { outline: 2px solid var(--tbq-gold); outline-offset: 1px; border-color: var(--tbq-gold); }
.tbq .tbq-help { font-size: 14px; color: var(--tbq-muted); margin-top: 12px; }
.tbq .tbq-fine { font-size: 13px; color: var(--tbq-muted); margin-top: 8px; }

#tbq-name.tbq-input { max-width: 460px; }

/* buttons */
.tbq button.tbq-btn {
  appearance: none; display: inline-flex; align-items: center; justify-content: center; height: 50px; padding: 0 24px; border-radius: 10px;
  border: 1px solid transparent; font: 700 16px/1 inherit; font-family: inherit; cursor: pointer; text-transform: none; letter-spacing: 0; box-shadow: none; text-decoration: none;
}
.tbq button.tbq-btn:disabled { opacity: .45; cursor: not-allowed; }
.tbq button.tbq-btn--gold { background: var(--tbq-gold); color: var(--tbq-navy); }
.tbq button.tbq-btn--gold:hover:not(:disabled) { background: var(--tbq-gold); filter: brightness(.94); color: var(--tbq-navy); }
.tbq button.tbq-btn--navy { background: var(--tbq-navy); color: #fff; }
.tbq button.tbq-btn--navy:hover:not(:disabled) { background: var(--tbq-navy); filter: brightness(1.25); color: #fff; }
.tbq button.tbq-btn--ghost { background: #fff; color: var(--tbq-navy); border-color: #C9CDD8; }
.tbq button.tbq-btn--ghost:hover:not(:disabled) { background: #fff; border-color: var(--tbq-navy); color: var(--tbq-navy); }
.tbq button.tbq-btn--wide { width: 100%; margin-top: 16px; }
.tbq button:focus-visible, .tbq a:focus-visible { outline: 3px solid var(--tbq-gold); outline-offset: 2px; }

/* unlock */
.tbq .tbq-unlock { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--tbq-border); font-size: 14px; }
.tbq button.tbq-link, .tbq a.tbq-link { appearance: none; background: none; border: 0; padding: 0; margin: 0; font: 600 14px/1.4 inherit; font-family: inherit; color: var(--tbq-navy); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; text-transform: none; letter-spacing: 0; box-shadow: none; }
.tbq button.tbq-link:hover, .tbq a.tbq-link:hover { color: var(--tbq-navy); background: none; text-decoration-color: var(--tbq-gold); }
.tbq .tbq-sep { margin: 0 8px; color: var(--tbq-muted); }
.tbq .tbq-codeform { display: flex; gap: 10px; margin-top: 14px; max-width: 440px; }
.tbq .tbq-codeform .tbq-input { text-transform: uppercase; letter-spacing: .08em; font-weight: 700; }

/* notes */
.tbq .tbq-note { margin: 14px 0 0; padding: 11px 14px; border-radius: 10px; font-size: 14px; border: 1px solid var(--tbq-border); background: #fff; }
.tbq .tbq-note a { color: var(--tbq-navy); font-weight: 600; }
.tbq .tbq-note--error { border-color: #F2B8B5; background: #FDF1F0; color: #7A1A12; }
.tbq .tbq-note--ok { border-color: #B7DFC2; background: #EEF7F0; color: #0E5A28; }
.tbq .tbq-note--info { background: #FFF9E8; border-color: #EFD58A; }
.tbq .tbq-empty { max-width: 560px; margin: 0 auto; text-align: center; padding: 28px 0; }
.tbq .tbq-empty h3 { font-size: 20px; margin-bottom: 8px; }
.tbq .tbq-empty p { color: var(--tbq-muted); margin-bottom: 14px; }

/* ---------- quiz ---------- */
.tbq .tbq-quiz, .tbq .tbq-result { max-width: 760px; margin: 0 auto; }
.tbq .tbq-qhead { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 12px; }
.tbq .tbq-qtitle { font-weight: 800; font-size: 18px; }
.tbq .tbq-qmeta { font-size: 13px; color: var(--tbq-muted); margin-top: 2px; }
.tbq .tbq-timer { flex: none; background: var(--tbq-navy); color: var(--tbq-gold); font-weight: 800; font-size: 20px; font-variant-numeric: tabular-nums; padding: 8px 14px; border-radius: 10px; min-width: 84px; text-align: center; }
.tbq .tbq-timer.is-low { background: var(--tbq-bad); color: #fff; }
.tbq .tbq-bar { height: 6px; background: #DADDE6; border-radius: 999px; overflow: hidden; margin-bottom: 16px; }
.tbq .tbq-bar span { display: block; height: 100%; background: var(--tbq-gold); border-radius: 999px; }
.tbq .tbq-card { background: #fff; border: 1px solid var(--tbq-border); border-radius: 14px; padding: 20px; }
.tbq .tbq-q { font-size: 18px; font-weight: 600; line-height: 1.6; margin-bottom: 16px; }
.tbq .tbq-opts { display: grid; gap: 10px; }
.tbq button.tbq-opt {
  appearance: none; display: flex; align-items: center; gap: 12px; width: 100%; text-align: left; background: #fff; color: var(--tbq-navy);
  border: 1.5px solid var(--tbq-border); border-radius: 12px; padding: 12px 14px; font: 500 16px/1.45 inherit; font-family: inherit; cursor: pointer;
  text-transform: none; letter-spacing: 0; box-shadow: none; min-height: 52px;
}
.tbq button.tbq-opt:hover { border-color: var(--tbq-gold); background: #fff; color: var(--tbq-navy); }
.tbq button.tbq-opt.is-on { border-color: var(--tbq-navy); background: #EEF1F8; }
.tbq .tbq-opt-l { flex: none; width: 30px; height: 30px; border-radius: 50%; background: #EEF0F5; font-size: 13px; font-weight: 800; display: grid; place-items: center; }
.tbq .is-on .tbq-opt-l { background: var(--tbq-navy); color: #fff; }
.tbq .tbq-opt-t { flex: 1; }
.tbq .tbq-nav { display: flex; justify-content: space-between; gap: 12px; margin: 16px 0; }
.tbq .tbq-nav--center { justify-content: center; flex-wrap: wrap; margin-bottom: 0; }
.tbq .tbq-navcard { margin-top: 4px; }
.tbq .tbq-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.tbq button.tbq-num { appearance: none; width: 40px; height: 40px; border-radius: 8px; border: 1px solid var(--tbq-border); background: #fff; color: var(--tbq-navy); font: 700 14px/1 inherit; font-family: inherit; cursor: pointer; padding: 0; box-shadow: none; }
.tbq button.tbq-num:hover { background: #fff; border-color: var(--tbq-gold); color: var(--tbq-navy); }
.tbq button.tbq-num.is-done { background: #E3E8F5; border-color: #C3CCE6; }
.tbq button.tbq-num.is-cur { border: 2px solid var(--tbq-navy); }

/* ---------- results ---------- */
.tbq .tbq-score { text-align: center; padding: 28px 20px; }
.tbq .tbq-big { font-size: 22px; font-weight: 700; color: var(--tbq-muted); }
.tbq .tbq-big span { font-size: 56px; font-weight: 800; color: var(--tbq-navy); }
.tbq .tbq-bar--score { max-width: 340px; margin: 12px auto; }
.tbq .tbq-pct { color: var(--tbq-muted); margin-bottom: 20px; }
.tbq .tbq-reviews { margin-top: 18px; display: grid; gap: 14px; }
.tbq .tbq-review { background: #fff; border: 1px solid var(--tbq-border); border-left: 5px solid #C9CDD8; border-radius: 12px; padding: 16px 18px; }
.tbq .tbq-review--ok { border-left-color: var(--tbq-ok); }
.tbq .tbq-review--bad { border-left-color: var(--tbq-bad); }
.tbq .tbq-review-head { display: flex; justify-content: space-between; font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--tbq-muted); margin-bottom: 8px; }
.tbq .tbq-review--ok .tbq-state { color: var(--tbq-ok); }
.tbq .tbq-review--bad .tbq-state { color: var(--tbq-bad); }
.tbq .tbq-review .tbq-q { font-size: 17px; margin-bottom: 12px; }
.tbq .tbq-ros { display: grid; gap: 8px; }
.tbq .tbq-ro { display: flex; align-items: center; gap: 10px; border: 1px solid var(--tbq-border); border-radius: 10px; padding: 9px 12px; font-size: 15px; }
.tbq .tbq-ro em { font-style: normal; font-size: 12px; font-weight: 700; white-space: nowrap; }
.tbq .tbq-ro.is-correct { border-color: var(--tbq-ok); background: #EEF7F0; }
.tbq .tbq-ro.is-correct .tbq-opt-l { background: var(--tbq-ok); color: #fff; }
.tbq .tbq-ro.is-correct em { color: var(--tbq-ok); }
.tbq .tbq-ro.is-wrong { border-color: var(--tbq-bad); background: #FDF1F0; }
.tbq .tbq-ro.is-wrong .tbq-opt-l { background: var(--tbq-bad); color: #fff; }
.tbq .tbq-ro.is-wrong em { color: var(--tbq-bad); }
.tbq .tbq-exp { margin-top: 12px; padding: 12px 14px; background: #F6F7FA; border-radius: 10px; font-size: 15px; }
.tbq .tbq-exp strong { display: block; font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--tbq-muted); margin-bottom: 4px; }
.tbq .tbq-lock { margin-top: 12px; padding: 11px 14px; border: 1px dashed var(--tbq-gold); background: #FFF9E8; border-radius: 10px; font-size: 14px; }
.tbq .tbq-lock a { color: var(--tbq-navy); font-weight: 700; }

/* ---------- larger screens ---------- */
@media (min-width: 860px) {
  .tbq .tbq-hero { padding: 64px 0 68px; }
  .tbq .tbq-hero-grid { grid-template-columns: 1.1fr .9fr; gap: 56px; }
  .tbq .tbq-stage { padding: 36px 0 60px; }
}
@media (max-width: 520px) {
  .tbq .tbq-row { flex-direction: column; align-items: stretch; }
  .tbq .tbq-row button.tbq-btn { width: 100%; }
  .tbq .tbq-codeform { flex-direction: column; }
  .tbq .tbq-nav button.tbq-btn { flex: 1; padding: 0 12px; }
  .tbq .tbq-q { font-size: 17px; }
  .tbq .tbq-ro em { display: none; }
}
@media (prefers-reduced-motion: no-preference) {
  .tbq .tbq-bar span { transition: width .25s ease; }
}

.tbq .tbq-skipnote { font-size: 13px; font-weight: 600; color: var(--tbq-bad); margin: -6px 0 12px; }

/* diagrams */
.tbq .tbq-fig { margin: 0 0 16px; }
.tbq .tbq-fig a { display: block; }
.tbq .tbq-fig img { display: block; max-width: 100%; height: auto; margin: 0 auto; background: #fff; border: 1px solid var(--tbq-border); border-radius: 10px; padding: 6px; }
.tbq .tbq-fig img { max-height: 440px; object-fit: contain; }