.l4-app{--l4-ink:#16354b;--l4-muted:#607588;--l4-accent:#9a632d;--l4-border:#dce5ec;max-width:1440px;margin:0 auto;padding:32px 36px 64px;color:var(--l4-ink);font-size:16px;line-height:1.65}
.l4-app *{box-sizing:border-box}.l4-app [hidden]{display:none!important}.l4-app h1,.l4-app h2,.l4-app h3{font-family:inherit;color:var(--l4-ink);font-weight:700;line-height:1.3}.l4-app h1{font-size:38px;margin:14px 0}.l4-app h2{font-size:23px;margin:0 0 14px}.l4-app h3{font-size:25px;margin:12px 0 6px}.l4-app p{margin:0 0 16px}.l4-app a{color:var(--l4-accent)}.l4-app button,.l4-app select{font:inherit}.l4-app :focus-visible{outline:3px solid #1974c5;outline-offset:4px}.l4-app button:disabled{opacity:.5;cursor:default}.l4-breadcrumb{display:flex;flex-wrap:wrap;gap:8px 12px;font-size:14px;margin-bottom:8px}.l4-storage{font-size:13px;color:var(--l4-muted)}.l4-eyebrow{font-size:13px;font-weight:700;letter-spacing:.07em;color:var(--l4-accent)}
.l4-hero{display:flex;justify-content:space-between;align-items:center;gap:36px;background:#f6f2ee;border-radius:18px;padding:38px 42px;margin:28px 0}.l4-hero h1{font-size:46px}.l4-hero p{font-size:19px;margin:0;color:#466471}.l4-stats{display:flex;gap:28px;margin:0;text-align:center;flex-shrink:0}.l4-stats div{min-width:70px}.l4-stats dt{font-size:13px;font-weight:400;color:var(--l4-muted)}.l4-stats dd{font-size:35px;font-weight:700;margin:0}.l4-kind-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.l4-kind-card{display:block;position:relative;background:#fff;border:1px solid var(--l4-border);border-radius:14px;padding:30px 28px;text-decoration:none!important;transition:border-color .15s,box-shadow .15s}.l4-kind-card:hover,.l4-lesson-card:hover{border-color:var(--l4-accent);box-shadow:0 4px 16px #16354b0c}.l4-kind-number{float:right;font-size:28px;font-weight:700;color:#d0c7be}.l4-kind-card h2{margin:16px 0 12px}.l4-kind-card p{max-width:85%;color:var(--l4-muted);min-height:52px}.l4-card-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-top:18px;border-top:1px solid #edf0f3;font-size:14px}.l4-card-bottom span{color:var(--l4-muted)}.l4-how{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin:36px 0}.l4-how p{font-size:14px;color:var(--l4-muted);margin-top:6px}.l4-heading{margin:32px 0 22px}.l4-heading p{color:var(--l4-muted);font-size:18px}.l4-tip{background:#f6f2ee;padding:16px 20px;border-radius:10px;font-size:15px;margin-bottom:24px}.l4-tip summary{cursor:pointer;font-weight:600}.l4-tip p{margin:12px 0 0}.l4-list-heading{display:flex;justify-content:space-between;align-items:center;margin:30px 0 16px;gap:16px}.l4-list-heading h2{margin:0}.l4-list-heading>span{color:var(--l4-muted);font-size:14px}.l4-lesson-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.l4-lesson-card{display:block;text-decoration:none!important;border:1px solid var(--l4-border);border-radius:12px;background:#fff;padding:24px}.l4-lesson-card p{color:var(--l4-muted);font-size:14px}.l4-lesson-progress{display:block;font-size:14px;font-weight:600;padding-top:14px;border-top:1px solid #edf0f3}
.l4-connection{font-size:14px;color:var(--l4-muted);margin-bottom:12px}.l4-question-bar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin:20px 0 12px}.l4-question-bar>span{font-size:14px;color:var(--l4-muted)}.l4-question-nav{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}.l4-question-nav button{border:1px solid #c7d6df;border-radius:8px;background:#fff;min-width:42px;min-height:40px;color:var(--l4-ink);padding:5px 10px}.l4-question-nav button[aria-current=true]{outline:2px solid var(--l4-accent);outline-offset:2px}.l4-question-nav .is-correct{background:#e0f2ec;border-color:#158761}.l4-question-nav .is-wrong{background:#fff0e5;border-color:#cc753a}.l4-work-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:24px;align-items:start}.l4-panel{padding:28px;border:1px solid var(--l4-border);border-radius:14px;background:#fff;min-width:0}.l4-panel h2{font-size:21px}.l4-player{background:#f8f6f3;padding:14px;border-radius:10px;margin:16px 0 20px}.l4-player audio{width:100%;display:block;min-width:0}.l4-audio-tools{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-top:12px;font-size:14px}.l4-audio-tools label{margin:0;font-weight:400}.l4-audio-tools select{border:1px solid #c9d9e1;border-radius:6px;padding:4px;background:white}.l4-link{background:none;border:0;color:var(--l4-accent);padding:4px 0;text-decoration:underline;cursor:pointer}.l4-image-link{display:block;margin:20px auto;text-align:center}.l4-image-link img{display:block;max-width:100%;max-height:460px;width:auto;height:auto;margin:auto}.l4-image-link>span{font-size:13px;display:block;margin-top:8px}.l4-jp{font-size:20px;line-height:1.9;white-space:pre-wrap;overflow-wrap:anywhere}.l4-app fieldset{border:0;padding:0;margin:0;min-width:0}.l4-app legend{font-size:15px;color:var(--l4-muted);border:0;margin:0 0 12px}.l4-choices{display:grid;gap:10px;margin-bottom:20px}.l4-choice{display:flex;align-items:center;gap:12px;border:1px solid #cfdae2;border-radius:8px;padding:14px 16px;cursor:pointer;font-weight:400;margin:0;min-width:0}.l4-choice:has(input:checked){border-color:var(--l4-accent);background:#f8f5f2}.l4-choice input{margin:0;flex:0 0 auto;accent-color:var(--l4-accent);width:18px;height:18px}.l4-choice-text{font-size:19px;overflow-wrap:anywhere}.l4-choice.is-correct,.l4-choice.is-correct:has(input:checked){border:2px solid #218261;background:#eff9f3}.l4-choice.is-wrong,.l4-choice.is-wrong:has(input:checked){border-color:#bf6b3d;background:#fff5ef}.l4-choice-mark{font-size:13px;margin-left:auto;white-space:nowrap}.l4-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 17px;min-height:44px;border:1px solid #c8d7e0;border-radius:8px;background:#fff;color:var(--l4-ink)!important;text-decoration:none!important;font-weight:600;font-size:15px;cursor:pointer}.l4-button:hover{background:#f8f5f3}.l4-primary{background:var(--l4-accent);border-color:var(--l4-accent);color:#fff!important}.l4-primary:hover{background:#7f5225}.l4-move{display:flex;justify-content:space-between;gap:12px;margin-top:24px;padding-top:20px;border-top:1px solid var(--l4-border)}.l4-review-panel>p{color:var(--l4-muted)}.l4-verdict{border-radius:8px;padding:14px 16px;font-weight:600;background:#f5f0eb;color:#80562d}.l4-verdict.is-wrong{background:#fff1e6;color:#925026}.l4-translation-toggle{font-weight:400;font-size:14px;display:flex;align-items:center;gap:8px;margin:18px 0}.l4-translation-toggle input{accent-color:var(--l4-accent);margin:0}.l4-transcript article{border-top:1px solid #e6ebef;padding:14px 0}.l4-transcript article:last-child{padding-bottom:0}.l4-speaker{display:block;font-size:12px;font-weight:700;color:var(--l4-accent);margin-bottom:4px}.l4-transcript .l4-jp{font-size:19px;margin:0 0 6px}.l4-transcript .l4-vi{font-size:15px;line-height:1.7;color:var(--l4-muted);margin:0;white-space:pre-wrap}.l4-transcript.hide-translation .l4-vi{display:none}.l4-complete{background:#f6f2ee;border-radius:14px;padding:28px;margin-top:24px}.l4-actions{display:flex;flex-wrap:wrap;gap:12px}.l4-error{font-size:14px;color:#a1342a;margin-top:12px!important}.l4-notice{padding:16px;background:#fff1dc;border-radius:8px}
@media(min-width:1600px){.l4-app:has(.l4-work-grid){max-width:none;padding-left:4%;padding-right:4%}}
@media(max-width:1100px){.l4-hero{padding:30px;gap:20px}.l4-stats{gap:16px}.l4-hero h1{font-size:39px}.l4-lesson-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.l4-panel{padding:22px}.l4-work-grid{gap:18px}}
@media(max-width:767px){.l4-app{padding:24px 16px 44px}.l4-app h1{font-size:29px}.l4-hero{display:block;padding:26px 22px;margin:22px 0}.l4-hero p{font-size:17px}.l4-stats{justify-content:space-around;margin-top:24px;padding-top:20px;border-top:1px solid #e0dad4}.l4-stats dd{font-size:28px}.l4-kind-grid,.l4-work-grid{grid-template-columns:minmax(0,1fr)}.l4-kind-card{padding:24px}.l4-kind-card p{max-width:none;min-height:0}.l4-kind-card h2{font-size:22px}.l4-lesson-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.l4-lesson-card{padding:18px}.l4-how{grid-template-columns:1fr;gap:12px}.l4-how p{margin-bottom:8px}.l4-heading{margin-top:24px}.l4-panel{padding:20px 16px}.l4-question-bar{align-items:flex-start;flex-direction:column;gap:4px}.l4-list-heading{align-items:flex-start;flex-direction:column;gap:6px}.l4-work-grid{gap:16px}.l4-review-panel{scroll-margin-top:84px}.l4-move .l4-button{font-size:14px;padding:10px 12px}.l4-complete{padding:22px}.l4-transcript .l4-jp{font-size:18px}.l4-app .l4-choice-text{font-size:18px}}
#l4-review-next{margin-top:20px}
.l4-mixed-card{grid-column:1/-1;border-color:#c3b3a3;background:#faf8f6}
.l4-mixed-card p{max-width:900px;min-height:0}
.l4-mixed-counts{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 22px}
.l4-mixed-counts span{padding:5px 10px;border-radius:6px;background:#fff;border:1px solid #e9e3de;color:#6e5d4d;font-size:14px}
.l4-catalog-note{color:var(--l4-muted);font-size:14px}
.l4-mixed-parts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;list-style:none;margin:0 0 22px;padding:0}
.l4-mixed-parts li{padding:14px 16px;background:#fff;border:1px solid var(--l4-border);border-radius:10px}
.l4-mixed-parts span{display:block;color:var(--l4-muted);font-size:13px;margin-bottom:5px}
.l4-mixed-parts strong{display:block;font-size:14px;font-weight:600;line-height:1.5}
.l4-kind-badge{display:inline-block;padding:5px 9px;border-radius:5px;background:#f6f2ee;color:#855627;font-size:13px;font-weight:600}
.l4-current-kind p{font-size:14px;color:var(--l4-muted);line-height:1.65;margin:9px 0 0}
.l4-kind-results{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:20px 0}
.l4-kind-results>div{background:#fff;border:1px solid #e5ded7;border-radius:8px;padding:14px}
.l4-kind-results span{display:block;font-size:13px;color:var(--l4-muted);margin-bottom:6px}
.l4-kind-results strong{display:block;font-size:18px;color:var(--l4-accent)}
@media(max-width:767px){.l4-mixed-parts,.l4-kind-results{grid-template-columns:repeat(2,minmax(0,1fr))}.l4-mixed-parts{gap:8px}.l4-mixed-parts li{padding:12px}.l4-kind-results{gap:8px}.l4-kind-results>div{padding:12px}.l4-mixed-card .l4-card-bottom{align-items:flex-start;flex-direction:column;gap:8px}}
@media(max-width:400px){.l4-mixed-parts,.l4-kind-results{grid-template-columns:minmax(0,1fr)}}
/* Shared N4 question navigation: stay available while reading the transcript. */
#main-container:has(.l4-quick-tools){overflow-x:clip;overflow-y:visible}
.l4-quick-tools{position:sticky;top:60px;z-index:20;background:#fff;border-bottom:1px solid var(--l4-border);box-shadow:0 3px 5px #00000008;padding:0 12px}
.l4-progress-strip{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;padding:8px 0;font-size:13px}
.l4-progress-count{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.l4-progress-count progress{width:170px;height:7px;border:0;border-radius:8px;overflow:hidden;accent-color:var(--l4-accent)}
.l4-progress-count progress::-webkit-progress-bar{background:#ece8e4;border-radius:8px}
.l4-progress-count progress::-webkit-progress-value{background:var(--l4-accent);border-radius:8px}
.l4-quick-actions{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.l4-quick-actions .l4-button{font-size:12px;min-height:40px;padding:6px 10px;border-radius:3px}
#l4-quick-submit{background:#d9534f;border-color:#d43f3a;color:#fff!important}
#l4-quick-submit:hover{background:#c9302c;border-color:#ac2925}
.l4-question-jump{position:absolute;top:100%;left:0;right:0;background:#fff;border:1px solid #d9d5d1;box-shadow:0 8px 20px #0002;padding:12px;max-height:min(55vh,340px);overflow-y:auto}
.l4-question-jump p{font-size:12px;color:var(--l4-muted);margin:0 0 9px}
.l4-question-jump .l4-question-nav{display:grid;grid-template-columns:repeat(auto-fill,minmax(43px,1fr));gap:6px;margin:0}
.l4-question-jump .l4-question-nav button{display:flex;justify-content:center;align-items:center;gap:3px;min-width:0;min-height:42px;padding:4px;border-radius:3px;font-size:13px}
.l4-question-nav .is-answered{background:#edf3fb;border-color:#709acd}
.l4-question-nav .is-correct{background:#ecf7f0;border-color:#72b995;color:#176a49}
.l4-question-nav .is-wrong{background:#fff0ed;border-color:#da9f8c;color:#943820}
.l4-submit-status{font-size:14px;color:var(--l4-accent);padding:10px 12px;background:#f7f4f1;margin:12px 0!important;scroll-margin-top:150px}
.l4-submit-status.is-error{background:#fff5e9;color:#8c4524}
.l4-question-bar,.l4-verdict,.l4-complete{scroll-margin-top:150px}
@media(max-width:700px){
 .l4-progress-count{width:100%;gap:9px;justify-content:space-between}
 .l4-progress-count progress{flex:1;max-width:150px}
 .l4-quick-actions{width:100%}
 .l4-quick-actions .l4-button{flex:1;min-height:40px;padding:5px 6px}
 .l4-question-bar,.l4-verdict,.l4-complete,.l4-submit-status{scroll-margin-top:180px}
}

/* Original listening: first-play HD and answer explanations. */
.l4-hd-status{color:#557080;font-size:14px;margin:12px 0}
.l4-explanation{background:#f8f6f3;border-radius:12px;padding:18px!important;color:#173c4a}
.l4-explanation h3{font-size:18px;margin:0 0 10px}
.l4-explanation ol{padding-left:22px}
.l4-explanation li{margin:8px 0}
.l4-tip a{font-weight:600;text-decoration:underline}
.l4-first-response{font-size:14px;color:var(--l4-muted);padding:12px;border:1px solid var(--l4-border);border-radius:8px;background:#fbf9f8}
/* Match Reading N4: progress row first, save status underneath. */
.l4-account{display:flex;flex-wrap:wrap;align-items:baseline;gap:2px 12px;margin:0 0 16px}
.l4-account .l4-storage{margin:0}
.l4-app .l4-login{font-size:13px;font-weight:700;text-decoration:underline}
.l4-quick-tools .l4-account{margin:0;padding:0 0 8px}
.l4-quick-tools .l4-storage,.l4-quick-tools .l4-login{font-size:12px;line-height:1.5}
.l4-quick-tools .l4-storage{color:var(--l4-muted)}
.l4-daily-cta{margin:16px 0 0!important;font-weight:600}
.l4-daily-cta:not(:has(a:not([hidden]))){display:none}
.l4-segment-note{font-size:13px;color:var(--l4-muted);margin:8px 0!important}
.l4-transcript .l4-decisive-line{border-left:4px solid var(--l4-accent);padding-left:12px;background:#faf7f4}
/* At most four actions show at once (Nộp bài and Ôn câu sai never together): keep them on one even row. */
@media(max-width:700px){.l4-quick-actions{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(0,1fr);align-items:stretch}.l4-quick-actions .l4-button{min-width:0;line-height:1.2}}
/* One-time notice after guest progress moves into the account; empty it takes no space but stays a live region. */
.l4-app .l4-import-notice{font-size:14px;font-weight:600;color:#1b6c4d;background:#e6f4ed;border-radius:8px;padding:10px 14px;margin:0 0 16px}
.l4-app .l4-import-notice:empty{padding:0;margin:0}
/* Hub progress row: done per section and the lesson to continue, like the other N4 sections. */
.l4-hub-bar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin:0 0 20px}.l4-hub-bar h2{font-size:21px;margin:0 0 4px}.l4-hub-bar p{margin:0;font-size:14px;color:var(--l4-muted)}
.l4-card-bottom .l4-kind-done{color:var(--l4-accent);font-weight:600}
@media(max-width:600px){.l4-hub-bar{flex-direction:column;align-items:stretch}.l4-hub-bar .l4-button{width:100%}}
/* N4 sections share the main site frame (vnjpclub.com: 1200px content, centred): vocabulary, grammar, reading and listening, list and lesson pages. */
.l4-app.l4-app,.l4-app:has(.l4-work-grid){max-width:1240px;margin-left:auto;margin-right:auto;padding-left:clamp(12px,2.2vw,20px);padding-right:clamp(12px,2.2vw,20px)}
/* White page background like the main site, on N4 pages only. */
#main-container:has(#l4-app),body:has(#l4-app){background:#f9f5f2}
/* ===== Shared N4 page design (2026-10-15): cream page, serif titles with the red bar, hero art, white cards, red accents. ===== */
.l4-app.l4-app{--d-red:#cd2f39;--d-brown:#6f4b31;--d-brown-2:#9a6243;--d-navy:#1f2552;--d-ink:#2b3446;--d-line:#ece3da;--d-peach:#fcf4eb;--d-peach-line:#f0d9bd;--d-shadow:0 1px 2px rgba(80,50,30,.04),0 6px 18px rgba(80,50,30,.05)}
.l4-app .l4-breadcrumb{align-items:center;gap:6px 9px;font-size:13px;color:var(--d-ink)}
.l4-app .l4-breadcrumb a{color:var(--d-ink)}
.l4-app .l4-hero{position:relative;display:block;min-height:240px;margin:8px 0 6px;padding:6px 0 22px;background:none;border:0;border-radius:0}
.l4-app .l4-hero>:not(.n4ui-hero-art),.l4-app .l4-heading>:not(.n4ui-hero-art){position:relative;z-index:1;max-width:58%}
.l4-app .l4-heading{position:relative;min-height:200px;margin:18px 0 16px}
.l4-app .l4-eyebrow{color:var(--d-brown-2)}
.l4-app .l4-hero h1,.l4-app .l4-heading h1{margin:8px 0 10px;padding:2px 0 2px 18px;border-left:7px solid var(--d-red);font:600 36px/1.25 "Noto Serif","Times New Roman",Georgia,serif;letter-spacing:0;color:#151515}
.l4-app .l4-heading h1{font-size:34px}
.l4-app .l4-hero p,.l4-app .l4-heading p{color:#5c6672;font-size:16px}
.l4-app .l4-stats{justify-content:flex-start;gap:10px 28px;margin:14px 0 0;text-align:left}
.l4-app .l4-stats div{display:flex;flex-direction:row-reverse;align-items:baseline;gap:6px;min-width:0}
.l4-app .l4-stats dd{font:600 24px/1.2 "Noto Serif","Times New Roman",serif;color:var(--d-brown)}
.l4-app .l4-tip{background:#fff;border:1px solid var(--d-line);border-left:4px solid var(--d-red);border-radius:10px}
.l4-app .l4-primary{background:#d04f4d;border-color:#c64543;color:#fff!important}
.l4-app .l4-primary:hover{background:#bb3f3d}
.l4-app .l4-hub-bar h2,.l4-app .l4-list-heading h2{display:flex;align-items:center;gap:10px;color:var(--d-navy)}
.l4-app .l4-hub-bar .n4ui-icon{width:24px;height:24px;color:var(--d-red)}
.l4-app .l4-kind-card,.l4-app .l4-lesson-card,.l4-app .l4-panel{border-color:var(--d-line);box-shadow:var(--d-shadow)}
.l4-app .l4-kind-card:hover,.l4-app .l4-lesson-card:hover{border-color:#e6b1ab}
.l4-app .l4-kind-card h2,.l4-app .l4-lesson-card h3{color:var(--d-navy)}
.l4-app .l4-kind-number{color:#e2b7ad}
@media(max-width:760px){
 .l4-app .l4-hero>:not(.n4ui-hero-art),.l4-app .l4-heading>:not(.n4ui-hero-art){max-width:none}
 .l4-app .l4-hero,.l4-app .l4-heading{min-height:0}
 .l4-app .l4-hero h1,.l4-app .l4-heading h1{padding-left:12px;border-left-width:5px;font-size:26px}
}
.l4-app .n4ui-hero-art{top:-14px;width:min(38%,430px)}
.l4-app .l4-tip,.l4-app .l4-account,.l4-app .l4-breadcrumb{position:relative;z-index:2}
.l4-app .l4-hero,.l4-app .l4-heading{min-height:250px}
@media(max-width:760px){.l4-app .l4-hero,.l4-app .l4-heading{min-height:0}}
/* ===== Options in the Minna «Kiểm tra» style (2026-10-15): round keys, 2x2 for four options, 1 column on phones. ===== */
.l4-app.l4-app{--q-ink:#1f2933;--q-muted:#5b6776;--q-line:#e1e7ef;--q-line-strong:#c9d4e0;--q-soft:#f5f8fb;--q-tint:#eef4fb;--q-accent:#16698f;--q-accent-soft:#e7f2f8;--q-glow:rgba(22,105,143,.16);--q-ok:#15803d;--q-ok-soft:#e8f6ed;--q-ng:#c62828;--q-ng-soft:#fdeeee;--q-shadow:0 1px 2px rgba(15,30,50,.05),0 4px 14px rgba(15,30,50,.05)}
@media(min-width:721px){.l4-app .l4-choices.is-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
.l4-app .l4-choice{position:relative;gap:10px;min-height:52px;padding:9px 14px;background:#fff;border:1.5px solid var(--q-line-strong);border-radius:12px}
.l4-app .l4-choice:hover{border-color:var(--q-accent);background:var(--q-tint)}
.l4-app .l4-choice input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}
.l4-app .l4-choice:has(input:focus-visible){outline:3px solid var(--q-glow);outline-offset:2px}
.l4-app .l4-choice-key{display:grid;place-items:center;flex:0 0 26px;height:26px;border-radius:50%;background:var(--q-soft);color:var(--q-muted);font:800 13px/1 Arial,sans-serif}
.l4-app .l4-choice:has(input:checked){border-color:var(--q-accent);background:var(--q-accent-soft);box-shadow:0 0 0 2px var(--q-glow)}
.l4-app .l4-choice:has(input:checked) .l4-choice-key{background:var(--q-accent);color:#fff}
.l4-app .l4-choice.is-correct,.l4-app .l4-choice.is-correct:has(input:checked){border:1.5px solid var(--q-ok);background:var(--q-ok-soft);box-shadow:none}
.l4-app .l4-choice.is-correct .l4-choice-key,.l4-app .l4-choice.is-correct:has(input:checked) .l4-choice-key{background:var(--q-ok);color:#fff}
.l4-app .l4-choice.is-wrong,.l4-app .l4-choice.is-wrong:has(input:checked){border:1.5px solid var(--q-ng);background:var(--q-ng-soft);box-shadow:none}
.l4-app .l4-choice.is-wrong .l4-choice-key,.l4-app .l4-choice.is-wrong:has(input:checked) .l4-choice-key{background:var(--q-ng);color:#fff}