/* deu-level.css — bài kiểm tra trình độ (/level-test, public/deu/level-test.php). Giao diện 13/10/2026: cùng khuôn các trang Luyện thi
   (thẻ chồng mép dải, Inter vừa phải, thanh xanh / vàng / đỏ); khi làm bài dải đầu thu nhỏ để tập trung. Chỉ token màu (tự lật nền tối). */
.dl { --dl-ok: var(--color-gender-das); --dl-ok-soft: var(--color-gender-das-soft); --dl-ok-fg: var(--color-gender-das-fg);
      --dl-no: var(--color-gender-die); --dl-no-soft: var(--color-gender-die-soft); --dl-no-fg: var(--color-gender-die-fg);
      --dl-mid: var(--color-brand-gold); --dl-link: var(--lv-brand-fg); }
html[data-user-theme="dark"] .dl { --dl-link: color-mix(in srgb, var(--color-primary) 32%, var(--color-on-dark)); }
@media (prefers-color-scheme: dark) { html[data-user-theme="system"] .dl { --dl-link: color-mix(in srgb, var(--color-primary) 32%, var(--color-on-dark)); } }
.dl .lv-card { padding: 22px 24px; }
.dl-band { --lv-band-pb: 100px; transition: padding .25s ease; }
.dl-title { font-size: clamp(28px, 3.2vw, 40px); font-weight: 700; letter-spacing: -.025em; line-height: 1.12; }
.dl-title span { color: var(--color-brand-gold); }
/* Đang làm bài: dải chỉ còn tiêu đề nhỏ */
.dl.is-quiz .dl-band { --lv-band-pb: 76px; }
.dl.is-quiz .dl-band .lv-band__context { display: none; }
.dl.is-quiz .dl-title { font-size: 22px; }
.dl-wrap { max-width: 800px; position: relative; z-index: 1; margin-top: -72px; }
.dl.is-quiz .dl-wrap { margin-top: -56px; }

/* ── Giới thiệu ───────────────────────────────────────────────────────────────────────────────────── */
.dl-intro, .dl-quiz, .dl-break { display: flex; flex-direction: column; gap: 18px; }
.dl-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin: 0; padding: 0; list-style: none; }
.dl-facts li { display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto; column-gap: 12px; align-items: center;
    padding: 14px; border: 1px solid var(--lv-hair); border-radius: 14px; }
.dl-facts__ic { grid-row: 1 / 3; width: 38px; height: 38px; display: grid; place-items: center; border-radius: 11px; background: var(--lv-wash); color: var(--dl-link); }
.dl-facts b { font-size: 20px; font-weight: 700; color: var(--lv-ink); line-height: 1.2; }
.dl-facts li > span:last-child { font-size: 13px; color: var(--lv-muted); }
.dl-how { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; font-size: 14.5px; line-height: 1.55; color: var(--lv-text); }
.dl-how li { display: flex; gap: 10px; align-items: flex-start; }
.dl-how li > svg, .dl-how li > .lv-ico { margin-top: 3px; color: var(--dl-ok); flex: none; }
.dl-how b { color: var(--lv-ink); }
.dl-intro__f { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; padding-top: 16px; border-top: 1px solid var(--lv-hair); }
.dl-last { display: flex; align-items: center; gap: 10px; margin: 0 !important; font-size: 14px; color: var(--lv-text); }
.dl-last b { color: var(--lv-ink); }
.dl-intro__f .lv-btn { margin-left: auto; }
.dl-intro__login { display: flex; flex-wrap: wrap; gap: 10px; margin-left: auto; }
.dl-intro__login .lv-btn { margin-left: 0; }

/* Huy hiệu trình độ */
.dl-badge { flex: none; width: 84px; height: 84px; display: grid; place-items: center; border-radius: 24px; font-size: 30px; font-weight: 700; letter-spacing: -.02em;
    color: var(--color-on-dark); background: linear-gradient(140deg, var(--color-primary), color-mix(in srgb, var(--color-primary) 55%, black));
    box-shadow: 0 14px 30px -16px var(--color-primary); }
.dl-badge--sm { width: 40px; height: 40px; border-radius: 12px; font-size: 15px; box-shadow: none; }

/* ── Làm bài ──────────────────────────────────────────────────────────────────────────────────────── */
.dl-top { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; font-size: 13.5px; color: var(--lv-muted); }
.dl-steps { display: flex; gap: 4px; margin: 0; padding: 3px; list-style: none; border-radius: 999px; background: var(--lv-sunken); }
.dl-steps li { display: flex; align-items: center; gap: 6px; padding: 4px 11px 4px 5px; border-radius: 999px; font-size: 12.5px; font-weight: 500; color: var(--lv-muted); }
.dl-steps li i { width: 20px; height: 20px; display: grid; place-items: center; border-radius: 50%; font-style: normal; font-size: 11px; font-weight: 600;
    background: var(--lv-surface); color: var(--lv-muted); }
.dl-steps li.is-done i { background: var(--dl-ok); color: var(--color-on-dark); }
.dl-steps li.is-on { background: var(--lv-surface); color: var(--lv-ink); font-weight: 600; box-shadow: 0 1px 3px color-mix(in srgb, var(--lv-ink) 14%, transparent); }
.dl-steps li.is-on i { background: var(--color-primary); color: var(--color-on-dark); }
.dl-count { margin-left: auto; font-weight: 600; color: var(--lv-ink); }
.dl-clock { padding: 3px 10px; border-radius: 999px; background: var(--lv-sunken); }
.dl-bar { height: 6px; border-radius: 999px; background: var(--lv-sunken); overflow: hidden; margin-top: -6px; }
.dl-bar i { display: block; height: 100%; width: 0; border-radius: inherit; background: var(--color-primary); transition: width .25s ease; }
.dl-ask { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 0 !important; font-size: 13.5px; color: var(--lv-muted); }
.dl-skill { padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; background: var(--lv-wash); color: var(--dl-link); }
.dl-ctx { padding: 14px 16px; border-radius: 12px; background: var(--lv-sunken); white-space: pre-line; font-size: 15.5px; line-height: 1.65; color: var(--lv-ink); }
.dl-audio { display: flex; align-items: center; gap: 14px; padding: 12px 16px; border-radius: 14px; background: var(--lv-wash);
    border: 1px solid color-mix(in srgb, var(--color-primary) 18%, transparent); }
.dl-audio__b { width: 48px; height: 48px; flex: none; display: grid; place-items: center; border: 0; border-radius: 50%; cursor: pointer;
    background: var(--color-primary); color: var(--color-on-dark); box-shadow: 0 8px 18px -10px var(--color-primary); }
.dl-audio__b:disabled { opacity: .45; cursor: default; box-shadow: none; }
.dl-audio.is-playing .dl-audio__b { animation: dl-pulse 1.2s infinite; }
@keyframes dl-pulse { 50% { box-shadow: 0 0 0 8px color-mix(in srgb, var(--color-primary) 18%, transparent); } }
.dl-audio__m { display: flex; flex-direction: column; flex: 1; min-width: 0; }
.dl-audio__m b { font-size: 14px; font-weight: 600; color: var(--lv-ink); }
.dl-audio__m small { font-size: 12.5px; color: var(--lv-muted); }
.dl-audio__dots { display: flex; gap: 5px; }
.dl-audio__dots i { width: 9px; height: 9px; border-radius: 50%; background: color-mix(in srgb, var(--color-primary) 25%, transparent); }
.dl-audio__dots i.is-on { background: var(--color-primary); }
.dl-q { margin: 0 !important; font-size: 20px; font-weight: 600; line-height: 1.45; color: var(--lv-ink); }
.dl-opts { display: grid; gap: 8px; }
.dl-opt { display: flex; align-items: center; gap: 14px; width: 100%; min-height: 54px; padding: 10px 14px; text-align: left; font: inherit; font-size: 16px;
    border: 1.5px solid var(--lv-hair); border-radius: 14px; background: var(--lv-surface); color: var(--lv-ink); cursor: pointer; transition: border-color .12s, background .12s; }
.dl-opt:hover { border-color: color-mix(in srgb, var(--color-primary) 40%, var(--lv-hair)); }
.dl-opt.is-on { border-color: var(--color-primary); background: var(--lv-wash); }
.dl-opt__k { display: grid; place-items: center; flex: 0 0 32px; height: 32px; border-radius: 9px; background: var(--lv-sunken); font-weight: 600; font-size: 13.5px; color: var(--lv-ink); }
.dl-opt.is-on .dl-opt__k { background: var(--color-primary); color: var(--color-on-dark); }
.dl-act { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.dl-keys { font-size: 12.5px; color: var(--lv-muted); }

/* Nghỉ giữa phần */
.dl-break { align-items: center; text-align: center; padding: 34px 24px !important; }
.dl-break__ic { width: 60px; height: 60px; display: grid; place-items: center; border-radius: 50%; background: var(--dl-ok-soft); color: var(--dl-ok-fg); }
.dl-break h2 { margin: 0 !important; font-size: 22px; font-weight: 700; color: var(--lv-ink); }
.dl-break p { margin: 0 !important; max-width: 52ch; font-size: 14.5px; line-height: 1.6; color: var(--lv-text); }
.dl-break .dl-act { justify-content: center; }

/* ── Kết quả ──────────────────────────────────────────────────────────────────────────────────────── */
.dl-result { display: flex; flex-direction: column; gap: 16px; }
.dl-wait { text-align: center; color: var(--lv-muted); }
.dl-res { display: flex; flex-direction: column; gap: 18px; }
.dl-res__top { display: flex; align-items: center; gap: 18px; }
.dl-res__t p { margin: 0 !important; }
.dl-res__k { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: var(--lv-muted); }
.dl-res__lv { margin: 2px 0 !important; font-size: 30px; font-weight: 700; letter-spacing: -.02em; line-height: 1.1; color: var(--lv-ink); }
.dl-res__sc { font-size: 14px; color: var(--lv-text); }
.dl-rows { display: grid; gap: 10px; padding: 14px 16px; border-radius: 14px; background: var(--lv-sunken); }
.dl-row { display: grid; grid-template-columns: 36px 1fr 74px; align-items: center; gap: 12px; font-size: 14px; }
.dl-row b { font-weight: 700; color: var(--lv-ink); }
.dl-row__bar { position: relative; height: 8px; border-radius: 999px; background: var(--lv-surface); }
.dl-row__bar i { display: block; height: 100%; border-radius: inherit; background: var(--lv-muted); transition: width .6s ease; }
.dl-row__bar::after { content: ''; position: absolute; left: 60%; top: -3px; bottom: -3px; width: 2px; border-radius: 2px; background: color-mix(in srgb, var(--lv-ink) 30%, transparent); }
.dl-row.is-ok .dl-row__bar i { background: var(--dl-ok); }
.dl-row.is-mid .dl-row__bar i { background: var(--dl-mid); }
.dl-row.is-low .dl-row__bar i { background: var(--dl-no); }
.dl-row__n { text-align: right; color: var(--lv-ink); font-weight: 600; }
.dl-row.is-none .dl-row__n { color: var(--lv-muted); font-weight: 400; }
.dl-res__d { margin: 0 !important; font-size: 15px; line-height: 1.6; color: var(--lv-text); }
.dl-res__next { display: flex; flex-direction: column; gap: 8px; }
.dl-res__next small { font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--lv-muted); }
.dl-res__act, .dl-res__save { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.dl-res__save { padding-top: 14px; border-top: 1px solid var(--lv-hair); }
.dl-hint { margin: 0 !important; flex-basis: 100%; font-size: 14px; color: var(--lv-muted); }
.dl-saved { font-size: 14px; color: var(--dl-ok-fg); }

.dl-rv { padding: 0 !important; overflow: hidden; }
.dl-rv > summary { display: flex; align-items: center; gap: 8px; padding: 16px 22px; cursor: pointer; font-size: 15px; font-weight: 600; color: var(--lv-ink); }
.dl-rv > summary .num { min-width: 24px; height: 22px; padding: 0 7px; border-radius: 999px; display: inline-grid; place-items: center; font-size: 12px;
    background: var(--dl-no-soft); color: var(--dl-no-fg); }
.dl-rv__none { margin: 0 !important; padding: 0 22px 18px; color: var(--lv-text); }
.dl-rv__l { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--lv-hair); }
.dl-rv__i { display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 12px; padding: 14px 22px; border-bottom: 1px solid var(--lv-hair); }
.dl-rv__i:last-child { border-bottom: 0; }
.dl-rv__no { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; font-size: 12.5px; font-weight: 600; background: var(--dl-no-soft); color: var(--dl-no-fg); }
.dl-rv__b p { margin: 0 0 6px !important; font-size: 14.5px; line-height: 1.55; }
.dl-rv__h { display: flex; align-items: center; gap: 8px; font-size: 12.5px !important; color: var(--lv-muted); }
.dl-lvtag { padding: 1px 8px; border-radius: 6px; font-size: 11.5px; font-weight: 700; background: var(--lv-sunken); color: var(--lv-ink); }
.dl-rv__ctx { padding: 10px 12px; border-radius: 10px; background: var(--lv-sunken); color: var(--lv-ink); }
.dl-rv__q { font-weight: 500; color: var(--lv-ink); }
.dl-rv__a { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.dl-pill { display: inline-flex; padding: 3px 11px; border-radius: 999px; font-size: 13.5px; font-weight: 500; }
.dl-pill.is-no { background: var(--dl-no-soft); color: var(--dl-no-fg); }
.dl-pill.is-no s { text-decoration-thickness: 1.5px; }
.dl-pill.is-key { background: var(--dl-ok-soft); color: var(--dl-ok-fg); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--dl-ok) 45%, transparent); }
.dl-arrow { color: var(--lv-muted); font-size: 13px; }
.dl-rv__e { padding: 10px 12px; border-radius: 10px; background: var(--lv-wash); color: var(--lv-text); }
.dl-again { text-align: center; margin: 0 !important; }

@media (max-width: 720px) {
  .dl-wrap { margin-top: -60px; }
  .dl .lv-card { padding: 16px; }
  .dl-facts { grid-template-columns: minmax(0, 1fr); }
  .dl-steps li { font-size: 0; gap: 0; padding: 4px; }
  .dl-steps li.is-on { font-size: 12px; gap: 6px; padding-right: 10px; }
  .dl-keys { display: none; }
  .dl-q { font-size: 18px; }
  .dl-badge { width: 68px; height: 68px; font-size: 24px; border-radius: 20px; }
  .dl-res__lv { font-size: 26px; }
  .dl-rv__i { padding: 12px 16px; }
  .dl-rv > summary { padding: 14px 16px; }
}