@import url('../../../../assets/css/base.css?v=42c2a1c25176');
:root{--lesson-blue:#0b63ce;--lesson-navy:#08264c;--lesson-orange:#ff7a18;--lesson-bg:#f3f7fb;--lesson-line:#dce8f3;--lesson-green:#16a34a;--lesson-purple:#7c3aed}
*{box-sizing:border-box}html,body{margin:0;background:var(--lesson-bg);font-family:"Be Vietnam Pro","Segoe UI",Arial,sans-serif;color:#10233e}body{min-height:100vh}.lesson-app{min-height:100vh;display:grid;grid-template-columns:260px 1fr}.lesson-side{background:#fff;border-right:1px solid var(--lesson-line);padding:18px 16px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;z-index:10}.lesson-brand{display:flex;align-items:center;gap:10px;text-decoration:none;margin-bottom:18px}.lesson-brand img{width:54px;height:34px;object-fit:contain}.lesson-brand span{font-size:12px;font-weight:900;letter-spacing:.08em;color:var(--lesson-navy)}.back-link{display:flex;align-items:center;gap:7px;color:#50657d;text-decoration:none;font-size:13px;font-weight:800;margin-bottom:18px}.lesson-meta{padding:15px;border-radius:18px;background:linear-gradient(145deg,#f5faff,#fff);border:1px solid #e1ecf6;margin-bottom:14px}.lesson-meta .eyebrow{font-size:11px;font-weight:900;color:var(--lesson-orange);letter-spacing:.09em}.lesson-meta h1{font-size:20px;line-height:1.25;margin:5px 0 7px;color:var(--lesson-navy)}.lesson-meta p{font-size:12px;line-height:1.5;color:#64748b;margin:0}.side-progress{height:7px;border-radius:99px;background:#e8eff6;overflow:hidden;margin:13px 0 4px}.side-progress i{display:block;height:100%;background:linear-gradient(90deg,var(--lesson-blue),var(--lesson-orange));width:0}.side-count{font-size:11px;color:#64748b}.slide-list{display:grid;gap:6px;overflow:auto;padding-right:3px;margin-top:10px}.slide-jump{border:0;background:transparent;padding:8px 9px;border-radius:10px;text-align:left;cursor:pointer;display:flex;align-items:center;gap:8px;font:inherit;color:#52677e}.slide-jump b{width:25px;height:25px;border-radius:8px;background:#edf4fb;display:grid;place-items:center;font-size:10px;color:#315777}.slide-jump span{font-size:11px;line-height:1.3;font-weight:750}.slide-jump.active{background:#fff2e8;color:var(--lesson-navy)}.slide-jump.active b{background:var(--lesson-orange);color:#fff}.side-footer{margin-top:auto;padding-top:12px;color:#94a3b8;font-size:10px}
.lesson-main{min-width:0;padding:20px 24px 28px}.lesson-topbar{display:flex;align-items:center;gap:12px;margin:0 auto 14px;max-width:1240px}.crumb{font-size:12px;color:#64748b;font-weight:800}.topbar-actions{margin-left:auto;display:flex;gap:8px}.top-btn{border:1px solid #dbe7f2;background:#fff;color:var(--lesson-navy);border-radius:11px;padding:9px 12px;font:inherit;font-size:12px;font-weight:850;cursor:pointer}.top-btn.primary{border-color:transparent;background:var(--lesson-navy);color:#fff}.slide-shell{max-width:1240px;margin:auto}.slide-stage{position:relative;aspect-ratio:16/9;background:#fff;border:1px solid #dce8f3;border-radius:25px;box-shadow:0 24px 60px rgba(17,51,88,.12);overflow:hidden}.slide{display:none;position:absolute;inset:0;padding:28px 34px 30px;background:radial-gradient(circle at 90% 2%,rgba(14,165,233,.10),transparent 28%),radial-gradient(circle at 0% 100%,rgba(255,122,24,.08),transparent 24%),#fff}.slide.active{display:flex;flex-direction:column}.slide::after{content:"";position:absolute;left:0;right:0;bottom:0;height:10px;background:linear-gradient(90deg,#0b5aaa 0 84%,#ff8b22 84%)}.slide-head{display:flex;align-items:center;gap:14px;min-height:46px;margin-bottom:18px;position:relative;z-index:1}.slide-logo{width:58px;height:36px;object-fit:contain;flex:none}.slide-title-wrap{min-width:0}.slide-kicker{font-size:10px;font-weight:900;letter-spacing:.12em;color:var(--lesson-orange);text-transform:uppercase}.slide-title{margin:2px 0 0;font-size:clamp(24px,2.35vw,38px);line-height:1.12;color:var(--lesson-navy);font-weight:900}.slide-body{flex:1;min-height:0;position:relative;z-index:1}.grid-2{display:grid;grid-template-columns:1.04fr .96fr;gap:22px;height:100%;align-items:center}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.hero-copy h2{font-size:clamp(34px,4vw,62px);line-height:1.03;margin:0 0 16px;color:var(--lesson-navy);letter-spacing:-.03em}.hero-copy h2 em{font-style:normal;color:var(--lesson-orange)}.hero-copy p{font-size:16px;line-height:1.6;color:#5f7188;max-width:680px}.pill-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.pill{padding:7px 10px;border-radius:999px;background:#edf6ff;color:#165b9a;font-size:11px;font-weight:850}.hero-art{height:100%;display:grid;place-items:center}.hero-art-card{width:88%;max-width:460px;aspect-ratio:1.15;border-radius:32px;background:linear-gradient(145deg,#0b63ce,#08264c);box-shadow:0 24px 45px rgba(8,38,76,.20);display:grid;place-items:center;position:relative;overflow:hidden}.hero-art-card:before,.hero-art-card:after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.09)}.hero-art-card:before{width:210px;height:210px;right:-65px;top:-60px}.hero-art-card:after{width:160px;height:160px;left:-55px;bottom:-45px}.hero-art-card img{max-width:72%;max-height:72%;object-fit:contain;filter:drop-shadow(0 16px 18px rgba(0,0,0,.2));z-index:1}.hero-art-card .art-label{position:absolute;left:20px;right:20px;bottom:18px;color:#fff;font-weight:900;font-size:13px;z-index:2}.card{background:#fff;border:1px solid var(--lesson-line);border-radius:20px;padding:18px;box-shadow:0 9px 24px rgba(17,51,88,.06)}.card h3{margin:0 0 8px;color:var(--lesson-navy);font-size:17px}.card p,.card li{color:#607288;font-size:13px;line-height:1.55}.card ul,.card ol{margin:8px 0 0;padding-left:20px}.stat{display:flex;align-items:center;gap:11px}.stat strong{font-size:26px;color:var(--lesson-blue)}.stat span{font-size:11px;color:#64748b}.component-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.component{border:1px solid var(--lesson-line);border-radius:18px;padding:11px;background:#fff;min-height:145px;display:flex;flex-direction:column}.component img{height:76px;width:100%;object-fit:contain;margin-bottom:7px}.component strong{color:var(--lesson-navy);font-size:12px}.component small{color:#718398;font-size:10px;margin-top:4px;line-height:1.35}.port-board{border-radius:26px;background:linear-gradient(145deg,#163b73,#071f43);padding:24px;color:#fff;box-shadow:0 22px 40px rgba(10,40,78,.2)}.port-title{font-size:15px;font-weight:900;margin-bottom:18px}.port-row{display:grid;grid-template-columns:120px 1fr;gap:12px;margin:10px 0;align-items:center}.port-tag{border-radius:12px;background:#fff;color:#0b315e;padding:9px 10px;font-weight:900;text-align:center}.port-desc{font-size:12px;color:#d5e5f5;line-height:1.45}.flow{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap}.flow-step{min-width:145px;max-width:190px;border:1px solid var(--lesson-line);background:#fff;border-radius:18px;padding:14px;text-align:center}.flow-step b{display:grid;place-items:center;width:32px;height:32px;border-radius:10px;background:#e9f4ff;color:#0b63ce;margin:0 auto 8px}.flow-step strong{font-size:12px;color:var(--lesson-navy);display:block}.flow-step span{font-size:10px;color:#718398;display:block;margin-top:4px;line-height:1.35}.arrow{font-size:22px;color:#9badbf}.browser{height:100%;border:1px solid #dbe8f3;border-radius:20px;overflow:hidden;background:#fff;display:flex;flex-direction:column}.browser-bar{height:38px;background:#edf3f8;display:flex;align-items:center;padding:0 12px;gap:6px;flex:none}.browser-bar i{width:8px;height:8px;border-radius:50%;background:#a5b4c3}.browser-bar span{margin-left:8px;font-size:10px;color:#64748b}.browser iframe{border:0;width:100%;height:100%;min-height:0}.block-stack{display:grid;gap:9px}.code-block{border-radius:13px;padding:10px 12px;color:#fff;font-size:12px;font-weight:800;box-shadow:inset 0 -2px 0 rgba(0,0,0,.13)}.code-block.event{background:#e8a317}.code-block.logic{background:#4f46e5}.code-block.sensor{background:#16a34a}.code-block.motor{background:#e35d2f}.code-block.led{background:#7c3aed}.indent{margin-left:22px}.tip{border-left:4px solid var(--lesson-orange);background:#fff7ed;border-radius:0 15px 15px 0;padding:12px 14px;color:#7c4a16;font-size:12px;line-height:1.55}.check-list{display:grid;gap:8px}.check{display:flex;align-items:flex-start;gap:9px;padding:10px 12px;border:1px solid #dce9f3;border-radius:14px;background:#fff}.check > b{width:22px;height:22px;border-radius:7px;background:#dcfce7;color:#16803c;display:grid;place-items:center;flex:none;font-size:12px}.check span{font-size:12px;color:#52677e;line-height:1.45}.lesson-controls{max-width:1240px;margin:14px auto 0;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px}.nav-btn{border:1px solid #dbe7f2;background:#fff;border-radius:12px;padding:10px 14px;font:inherit;font-weight:850;color:var(--lesson-navy);cursor:pointer}.nav-btn:disabled{opacity:.45;cursor:not-allowed}.page-indicator{text-align:center;font-size:12px;color:#64748b;font-weight:800}.source-note{font-size:10px;color:#8ca0b4;margin-top:8px}.source-note a{color:#4779a7}.challenge{border-radius:24px;padding:22px;background:linear-gradient(145deg,#08264c,#0b63ce);color:#fff}.challenge h3{font-size:23px;margin:0 0 8px}.challenge p{color:#dbeafe;font-size:13px;line-height:1.55}.challenge .mini{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:15px}.challenge .mini div{padding:11px;border-radius:14px;background:rgba(255,255,255,.1);font-size:11px;line-height:1.4}.finish{display:grid;place-items:center;height:100%;text-align:center}.finish h2{font-size:42px;margin:0;color:var(--lesson-navy)}.finish p{max-width:650px;color:#607288;line-height:1.6}.finish .next{display:inline-block;text-decoration:none;background:var(--lesson-orange);color:#fff;padding:11px 16px;border-radius:12px;font-weight:900;margin-top:8px}
@media(max-width:1050px){.lesson-app{grid-template-columns:220px 1fr}.slide{padding:23px 25px 27px}.component-grid{grid-template-columns:repeat(2,1fr)}.grid-2{gap:14px}.slide-title{font-size:27px}}@media(max-width:780px){.lesson-app{display:block}.lesson-side{position:relative;height:auto;border-right:0;border-bottom:1px solid var(--lesson-line)}.slide-list{display:none}.lesson-main{padding:14px}.lesson-topbar{display:none}.slide-stage{aspect-ratio:auto;height:72vh;min-height:590px;border-radius:18px}.grid-2{grid-template-columns:1fr;overflow:auto}.hero-art{display:none}.component-grid,.grid-3{grid-template-columns:1fr 1fr}.slide{overflow:auto}.lesson-controls{padding-bottom:16px}}@media(max-width:520px){.component-grid,.grid-3{grid-template-columns:1fr}.slide{padding:18px 17px 23px}.slide-logo{width:48px}.slide-title{font-size:23px}.challenge .mini{grid-template-columns:1fr}.lesson-controls{grid-template-columns:1fr 1fr}.page-indicator{grid-column:1/-1;grid-row:1}}
/* Bài 01 · MakeCode foundation visuals */
.time-chip{display:inline-flex;align-items:center;gap:6px;padding:7px 11px;border-radius:999px;background:#fff1e6;color:#b6530b;font-size:11px;font-weight:900;margin-bottom:12px}.visual{height:100%;min-height:0;margin:0;border:1px solid var(--lesson-line);border-radius:20px;background:#fff;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 10px 28px rgba(17,51,88,.07)}.visual img{width:100%;height:100%;min-height:0;object-fit:contain;padding:10px}.visual figcaption{flex:none;padding:7px 10px;background:#f8fbfe;border-top:1px solid var(--lesson-line);font-size:9px;color:#74869a;line-height:1.35}.timeline4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;height:72%;align-items:stretch}.timeline4>div{border-radius:22px;padding:20px;background:linear-gradient(155deg,#fff,#f7fbff);border:1px solid var(--lesson-line);box-shadow:0 10px 28px rgba(17,51,88,.06);display:flex;flex-direction:column;justify-content:center}.timeline4 b{font-size:24px;color:var(--lesson-orange);margin-bottom:10px}.timeline4 strong{font-size:16px;color:var(--lesson-navy);margin-bottom:7px}.timeline4 span{font-size:11px;line-height:1.45;color:#64748b}.category-list{display:grid;gap:8px;align-content:center}.category-list span{padding:11px 14px;border-radius:12px;color:#fff;font-size:13px;font-weight:900;box-shadow:inset 0 -2px 0 rgba(0,0,0,.12)}.c-basic{background:#2588d8}.c-input{background:#b51dcc}.c-music{background:#de4e2b}.c-led{background:#7a3eb1}.c-loop{background:#1da54a}.c-logic{background:#1594a0}.c-var{background:#d81b60}.c-math{background:#7c3aed}.c-ext{background:#0ea5e9}.c-ext2{background:#f97316}.sim-microbit{height:100%;min-height:250px;border-radius:28px;background:linear-gradient(145deg,#151515,#2b2b2b);color:#fff;display:grid;place-items:center;align-content:center;gap:24px;padding:28px;box-shadow:0 22px 45px rgba(0,0,0,.18)}.sim-led{font-size:72px;color:#ef4444;text-shadow:0 0 28px rgba(239,68,68,.55)}.sim-buttons{display:flex;gap:120px}.sim-buttons span{width:46px;height:46px;border-radius:50%;background:#111;border:5px solid #cbd5e1;display:grid;place-items:center;font-weight:900}.sim-microbit small{color:#cbd5e1}.led-grid{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:27px;line-height:1.3;color:#ef4444;letter-spacing:4px;text-align:center}.variable-box{height:80%;align-self:center;border-radius:30px;background:linear-gradient(145deg,#dbeafe,#eff6ff);border:2px solid #93c5fd;display:grid;place-items:center;align-content:center;gap:10px;box-shadow:0 18px 35px rgba(37,99,235,.13)}.variable-box span{font-size:21px;font-weight:900;color:#1e3a8a}.variable-box strong{font-size:72px;color:#0b63ce}.answer-chip{display:inline-block;margin-top:12px;padding:9px 12px;border-radius:12px;background:#eef6ff;color:#164f86;font-weight:900}.big-flow{height:65%;align-content:center}.emoji-hw{height:76px;display:grid;place-items:center;font-size:46px}.emoji-hw.big{font-size:86px;height:120px}.hardware-card{height:100%;border:1px solid var(--lesson-line);border-radius:24px;background:linear-gradient(145deg,#fff,#f7fbff);display:grid;place-items:center;align-content:center;padding:22px;text-align:center}.hardware-card h3{margin:8px 0 4px;color:var(--lesson-navy);font-size:20px}.hardware-card p{margin:0;color:#64748b;font-size:12px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;height:75%;align-items:stretch}.state-card{border:1px solid var(--lesson-line);border-radius:22px;background:#fff;display:grid;place-items:center;align-content:center;gap:8px;box-shadow:0 10px 24px rgba(17,51,88,.06)}.state-card b{font-size:34px;color:var(--lesson-blue)}.state-card span{font-size:11px;color:#64748b;text-align:center}.slide-body>.grid-2>.visual{max-height:100%}.slide-body>.grid-2>.visual img{max-height:100%}
@media(max-width:900px){.timeline4,.grid-4{grid-template-columns:1fr 1fr;height:auto}.sim-buttons{gap:70px}.visual{min-height:250px}.variable-box{min-height:250px}.hardware-card{min-height:250px}}
/* Bài 01 · Hardware introduction refresh */
.intro-hardware-grid{grid-template-columns:repeat(2,1fr);align-content:center}.intro-hardware-grid .component{min-height:132px}.intro-hardware-grid .component img{height:88px}.hardware-visual img{padding:16px 22px}.makecode-placeholder{height:100%;min-height:300px;display:grid;place-items:center;align-content:center;gap:12px;background:linear-gradient(145deg,#1d4ed8,#312e81);color:#fff;text-align:center;padding:30px}.makecode-placeholder b{font-size:34px}.makecode-placeholder span{font-size:13px;line-height:1.6;color:#dbeafe}.servo-angle-demo{height:78%;min-height:300px;border:1px solid var(--lesson-line);border-radius:28px;background:linear-gradient(145deg,#fff,#f6faff);position:relative;box-shadow:0 16px 34px rgba(17,51,88,.08);display:grid;place-items:center}.servo-angle-demo:before{content:"";position:absolute;width:230px;height:230px;border-radius:50%;border:3px dashed #bfdbfe}.servo-center{width:84px;height:84px;border-radius:22px;background:linear-gradient(145deg,#dbe1e7,#98a2ad);box-shadow:inset 0 0 0 5px #eef2f7;z-index:2}.servo-arm{position:absolute;width:172px;height:22px;border-radius:99px;background:#f6c62d;transform-origin:11px 50%;transform:rotate(-35deg);left:50%;top:50%;margin-left:-11px;margin-top:-11px;box-shadow:0 7px 18px rgba(15,23,42,.14)}.servo-angle-demo span{position:absolute;font-size:12px;font-weight:900;color:#49647f}.servo-angle-demo span:nth-of-type(1){left:20%;bottom:19%}.servo-angle-demo span:nth-of-type(2){left:48%;top:8%}.servo-angle-demo span:nth-of-type(3){right:18%;bottom:19%}.led-module-demo{height:78%;min-height:300px;border:1px solid var(--lesson-line);border-radius:28px;background:linear-gradient(145deg,#f7fbff,#fff);display:grid;place-items:center;align-content:center;gap:13px;box-shadow:0 16px 34px rgba(17,51,88,.08)}.led-board{width:220px;height:150px;border-radius:25px;background:linear-gradient(145deg,#1d4ed8,#0f2d61);position:relative;display:grid;place-items:center;box-shadow:0 20px 32px rgba(30,64,175,.22)}.led-bulb{width:76px;height:76px;border-radius:50%;background:#ef4444;box-shadow:0 0 0 12px rgba(255,255,255,.12),0 0 35px rgba(239,68,68,.8)}.led-pin-row{position:absolute;bottom:-24px;display:flex;gap:25px}.led-pin-row i{width:11px;height:42px;border-radius:4px;background:#cbd5e1;border:2px solid #94a3b8}.led-module-demo strong{color:var(--lesson-navy);font-size:18px}.led-module-demo small{color:#64748b;font-weight:700}
@media(max-width:900px){.intro-hardware-grid{grid-template-columns:1fr 1fr}.servo-angle-demo,.led-module-demo{min-height:250px}}

/* 2026-09: Typography trình chiếu lớn hơn cho toàn bộ web-slide nền tảng */
.slide-body{font-size:clamp(20px,1.55vw,25px)}
.hero-copy p{font-size:clamp(21px,1.6vw,26px);line-height:1.48}
.card{padding:16px 18px}.card h3{font-size:clamp(22px,1.75vw,28px);line-height:1.18}.card p,.card li{font-size:clamp(18px,1.35vw,22px);line-height:1.42}
.tip{font-size:clamp(18px,1.3vw,21px);line-height:1.42}
.port-board{padding:20px}.port-title{font-size:clamp(22px,1.7vw,27px);margin-bottom:12px}.port-row{grid-template-columns:118px 1fr;gap:10px;margin:7px 0}.port-tag{font-size:clamp(17px,1.25vw,20px);padding:8px}.port-desc{font-size:clamp(17px,1.25vw,20px);line-height:1.35}
.code-block{font-size:clamp(17px,1.25vw,20px);line-height:1.3;padding:9px 11px}.check span{font-size:clamp(17px,1.25vw,20px);line-height:1.35}.check > b{font-size:16px;width:28px;height:28px}
.flow-step strong{font-size:clamp(17px,1.25vw,20px)}.flow-step span{font-size:clamp(15px,1.05vw,18px);line-height:1.3}.arrow{font-size:28px}
.component strong{font-size:clamp(16px,1.12vw,19px)}.component small{font-size:clamp(13px,.95vw,16px);line-height:1.25}.component{padding:9px 10px}
.challenge h3{font-size:clamp(24px,1.9vw,30px)}.challenge p{font-size:clamp(18px,1.35vw,22px);line-height:1.42}.challenge .mini div{font-size:clamp(15px,1.05vw,18px)}
.timeline4 strong{font-size:clamp(19px,1.4vw,23px)}.timeline4 span{font-size:clamp(16px,1.15vw,19px)}.category-list span{font-size:clamp(17px,1.25vw,20px)}
.hardware-card h3{font-size:clamp(22px,1.7vw,27px)}.hardware-card p{font-size:clamp(17px,1.25vw,20px)}.state-card span{font-size:clamp(15px,1.05vw,18px)}
.finish p{font-size:clamp(19px,1.4vw,23px)}.visual figcaption{font-size:clamp(12px,.9vw,15px)}.time-chip{font-size:15px}

/* Bài 01: ưu tiên hình ảnh phần cứng và hệ sinh thái cảm biến */
.kit-hero-grid{height:100%;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;align-items:stretch}
.kit-hero-card{min-width:0;border:1px solid var(--lesson-line);border-radius:24px;background:linear-gradient(145deg,#fff,#f5faff);box-shadow:0 14px 32px rgba(17,51,88,.08);display:grid;grid-template-rows:minmax(0,1fr) auto;align-items:center;justify-items:center;padding:12px 10px 14px;overflow:hidden}
.kit-hero-card img{width:100%;height:100%;min-height:0;object-fit:contain;padding:2px}
.kit-hero-card strong{font-size:clamp(19px,1.5vw,24px);color:var(--lesson-navy);text-align:center;line-height:1.15;margin-top:7px}
.large-copy .port-desc{font-size:clamp(19px,1.45vw,23px)}.large-copy .port-tag{font-size:clamp(18px,1.35vw,22px)}
.nezha-board-visual img{padding:4px;transform:scale(1.04)}
.planetx-showcase{height:100%;grid-template-columns:repeat(4,minmax(0,1fr));grid-template-rows:repeat(2,minmax(0,1fr));gap:10px}
.planetx-showcase .component{min-height:0;height:100%;justify-content:flex-end;overflow:hidden}
.planetx-showcase .component>img{height:min(18vh,155px);min-height:120px;margin:auto 0 6px}
.planetx-showcase .component strong{font-size:clamp(16px,1.08vw,18px)}.planetx-showcase .component small{font-size:clamp(13px,.88vw,15px)}
@media(max-width:900px){.kit-hero-grid{grid-template-columns:1fr 1fr}.planetx-showcase{grid-template-columns:1fr 1fr;grid-template-rows:auto}.slide-body{font-size:18px}}

/* ===== BKIT slide visual ratio policy =====
   - 1 ảnh lớn + chữ: ảnh ~75%, chữ ~25%
   - ảnh sensor đơn + chữ: 50/50
   Các lớp được gắn tự động bởi common/lesson.js. */
.grid-2.image-dominant{grid-template-columns:minmax(0,3fr) minmax(230px,1fr);gap:20px}
.grid-2.image-dominant.image-on-right{grid-template-columns:minmax(230px,1fr) minmax(0,3fr)}
.grid-2.image-sensor-balanced{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:22px}
.grid-2.image-dominant>figure.visual,.grid-2.image-sensor-balanced>figure.visual{height:100%;min-height:0;display:grid;place-items:center;margin:0}
.grid-2.image-dominant>figure.visual img{width:100%;height:100%;max-height:410px;object-fit:contain}
.grid-2.image-sensor-balanced>figure.visual img{width:100%;height:100%;max-height:330px;object-fit:contain}
.grid-2.image-dominant>.card,.grid-2.image-dominant>.port-board{padding:16px}

/* MakeCode references replace hand-drawn pseudo-code with official MakeCode links. */
.makecode-reference{height:100%;min-height:0;border:1px solid #cfe1f2;border-radius:22px;background:linear-gradient(145deg,#f7fbff,#fff);box-shadow:0 14px 32px rgba(16,61,101,.09);padding:20px;display:flex;flex-direction:column;justify-content:center;gap:14px;overflow:hidden}
.makecode-link-hero{display:flex;align-items:center;gap:13px}.makecode-mark{width:54px;height:54px;border-radius:16px;background:linear-gradient(145deg,#3157d5,#2241a7);color:#fff;display:grid;place-items:center;font-size:28px;font-weight:950;box-shadow:0 10px 24px rgba(49,87,213,.25)}
.makecode-link-hero small{display:block;color:#6b7f95;font-weight:900;font-size:10px;letter-spacing:.1em}.makecode-link-hero strong{display:block;color:#0b3764;font-size:18px;line-height:1.25;margin-top:3px}.makecode-reference p{margin:0;color:#587087;font-size:13px;line-height:1.55}.makecode-url{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:10px;line-height:1.4;color:#53728e;background:#edf5fc;border-radius:10px;padding:9px 10px;overflow-wrap:anywhere}.makecode-open{display:inline-flex;align-items:center;justify-content:center;align-self:flex-start;text-decoration:none;background:#0b63ce;color:#fff;border-radius:12px;padding:10px 14px;font-size:12px;font-weight:900;box-shadow:0 8px 18px rgba(11,99,206,.2)}
.makecode-reference.has-embed{padding:0;justify-content:stretch;background:#fff}.makecode-ref-head{height:42px;flex:none;display:flex;align-items:center;gap:10px;padding:0 12px;background:#edf3f8;border-bottom:1px solid #dce8f3}.makecode-ref-head span{font-size:11px;color:#4c657e;font-weight:900}.makecode-ref-head a{margin-left:auto;text-decoration:none;font-size:10px;font-weight:900;color:#0b63ce}.makecode-frame{border:0;width:100%;flex:1;min-height:250px;background:#f8fbff}.makecode-ref-foot{flex:none;padding:10px 13px;border-top:1px solid #e2ebf4;display:grid;gap:3px}.makecode-ref-foot strong{font-size:12px;color:#0b3764}.makecode-ref-foot span{font-size:10px;line-height:1.4;color:#6a7f93}
.led-makecode-layout{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px}.led-showcase{grid-template-columns:repeat(3,1fr);gap:8px;height:100%;align-content:center}.led-showcase .component{min-height:0;padding:8px;justify-content:center}.led-showcase .component img{height:190px;margin:0 0 8px}.led-showcase .component strong{text-align:center;font-size:12px}
.led-hardware-card{display:flex;flex-direction:column;justify-content:center}.led-resource-row{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;align-items:center}.led-resource-row img{width:100%;height:190px;object-fit:contain}.hardware-image-card img{width:100%;height:260px;object-fit:contain}.port-hardware-image{width:100%;height:105px;object-fit:contain;background:#fff;border-radius:14px;margin-bottom:10px}

@media(max-width:1050px){.grid-2.image-dominant,.grid-2.image-dominant.image-on-right{grid-template-columns:minmax(0,2.3fr) minmax(210px,1fr)}.makecode-reference{padding:14px}.led-showcase .component img{height:145px}.led-resource-row img{height:145px}}


/* Bài 01: các cụm lệnh ngắn không xuống dòng trong box giải thích */
.nowrap-token{white-space:nowrap;display:inline-block}


/* Check-list inline highlight normalization */
.check span b,.check span strong{display:inline;width:auto;height:auto;border-radius:0;background:transparent;color:var(--lesson-navy);font-size:inherit;font-weight:900;line-height:inherit;padding:0;margin:0;}
.check span .nowrap-token,.check span.nowrap-token{display:inline;white-space:normal;color:var(--lesson-navy);background:transparent;width:auto;height:auto;border-radius:0;padding:0;margin:0;}
.check span .nowrap-token b,.check span.nowrap-token b{display:inline;color:var(--lesson-navy);background:transparent;width:auto;height:auto;border-radius:0;padding:0;margin:0;font-size:inherit;font-weight:900;line-height:inherit;}