:root{--ink:#073c62;--blue:#087fb2;--muted:#55768b;--line:#d7e8f2}
*{box-sizing:border-box}body{margin:0;background:#f5faff;color:var(--ink);font:16px/1.7 Jost,Arial,sans-serif}a{color:#087ea9}button,input{font:inherit}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #00a8da;outline-offset:3px}
.vocab-shell{width:min(1200px,100%);margin:0 auto;padding:26px 22px 80px}.breadcrumb{font-size:13px;color:#59798a;margin:0 0 20px}.breadcrumb a{text-decoration:none}
.vocab-hero{border:1px solid #d0e8f5;border-radius:20px;background:linear-gradient(110deg,#e5f5fe,#f6fcff);display:grid;grid-template-columns:1.3fr 1fr;overflow:hidden;margin-bottom:28px}.vocab-hero>div:first-child{padding:36px}.eyebrow,.lesson-kicker{letter-spacing:.11em;color:#0087bb;font-weight:800;font-size:12px}.vocab-hero h1{font-size:clamp(28px,3.2vw,44px);line-height:1.16;letter-spacing:-.7px;margin:12px 0}.vocab-hero p{color:#315d78;font-size:17px;line-height:1.65}.vocab-hero .note{font-size:13px;margin-top:18px}.hero-art img{display:block;height:100%;width:100%;object-fit:cover}.chips{display:flex;flex-wrap:wrap;gap:9px;margin:19px 0}.chips span{border:1px solid #bde2f5;color:#075c80;background:#fff;padding:5px 11px;border-radius:30px;font-size:12px;font-weight:700}
.vocab-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:25px;align-items:start}.vocab-aside{border:1px solid var(--line);border-radius:16px;background:#fff;padding:20px;position:sticky;top:85px}.vocab-aside h2{font-size:20px;margin:0 0 6px}.vocab-aside .progress-label{font-size:12px;color:#53768d;margin:0 0 8px}.progress{height:9px;background:#e0edf5;border-radius:12px;overflow:hidden;margin:8px 0 18px}.progress div{height:100%;background:linear-gradient(90deg,#007bb6,#20b8de);width:0;transition:width .2s}.vocab-step{display:flex;align-items:center;gap:9px;background:#fff;border:0;border-top:1px solid #e5eef5;width:100%;padding:12px 5px;text-align:left;color:#124964;font-size:13px;font-weight:700;cursor:pointer;line-height:1.35}.vocab-step:disabled{cursor:not-allowed;color:#8ca0af}.vocab-step[aria-current="step"]{background:#edf8ff;color:#0078b2}.vocab-step .step-dot{display:grid;place-items:center;background:#e2f1fc;border-radius:50%;width:28px;height:28px;flex:0 0 auto}.vocab-step.is-done .step-dot{background:#c9ead8;color:#166839}.vocab-step .lock{margin-left:auto}.vocab-step:not(:disabled) .lock{display:none}.aside-note{color:#59798d;font-size:12px;line-height:1.7}.vocab-aside>a{font-size:12px;text-decoration:none;font-weight:700}
.vocab-content{min-width:0}.vocab-lesson{border:1px solid var(--line);background:#fff;border-radius:17px;padding:clamp(20px,3.2vw,34px);margin:0 0 22px}.vocab-js .vocab-lesson:not(.is-current){display:none}.vocab-lesson h2{font-size:clamp(24px,3vw,32px);margin:7px 0 0;line-height:1.22}.vocab-lesson h3{font-size:20px;margin:28px 0 14px;line-height:1.35}.lesson-subtitle{color:#5c7990;margin:5px 0 22px}.idea{background:#eaf7ff;border-left:5px solid #0887bf;border-radius:9px;padding:17px 19px;margin:20px 0}.idea b{color:#006e9f}.idea p{margin:6px 0 0}.term-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.vocab-term{padding:16px;background:#fbfdff;border:1px solid #dcecf5;border-radius:13px;min-width:0;break-inside:avoid}.vocab-term h3{margin:0;font-size:16px}.term-heading{display:flex;align-items:flex-start;gap:9px}.term-num{background:#dbf2fc;border-radius:7px;padding:2px 8px;flex:0 0 auto;color:#006e9a;font-weight:800;font-size:12px}.vocab-term p{margin:9px 0 0;font-size:14px;line-height:1.65}.term-example{color:#345f72}.term-trap{color:#7e5c38}.method{padding-left:26px}.method li{padding:3px 0 7px}.traffic{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin:20px 0}.traffic>div{padding:12px;border-radius:12px;border:1px solid;min-width:0;font-size:13px}.traffic p{margin:6px 0 0}.traffic-ok{background:#eaf9ee;border-color:#b4dec1!important}.traffic-mid{background:#fff8e7;border-color:#f2dc9b!important}.traffic-no{background:#fff1ee;border-color:#efbbb4!important}.traffic-ok strong{color:#166b40}.traffic-mid strong{color:#835b05}.traffic-no strong{color:#a23c31}.activity{background:#f3f9fc;border:1px solid #d9e9f3;border-radius:12px;padding:16px 20px}.activity h3{margin:0 0 8px}.activity p{margin:0}.refs{margin:23px 0 5px;color:#4d7187;font-size:13px}.refs p{display:flex;flex-wrap:wrap;gap:15px}.vocab-quiz{margin:29px 0 0;padding:20px;border:1px solid #cce2ee;border-radius:14px;background:#f9fdff}.vocab-quiz h3{margin:0 0 5px}.vocab-quiz>p{font-size:14px;color:#506d80}.vocab-q{border:0;border-top:1px solid #dceaf3;padding:14px 0 10px;margin:0}.vocab-q legend{font-size:15px;font-weight:700;line-height:1.5;padding:14px 0 4px}.vocab-q label{display:flex;gap:8px;align-items:flex-start;padding:7px 11px;border:1px solid #d9e8f1;border-radius:8px;margin:6px 0;background:#fff;cursor:pointer;font-size:14px}.vocab-q label:has(input:checked){border-color:#087fad;background:#e8f7ff}.vocab-q label input{margin-top:6px}.vocab-q.correct label:has(input:checked){border-color:#20a264;background:#e8f8f0}.vocab-q.wrong label:has(input:checked){border-color:#c85d4d;background:#fff1ec}.vocab-q-feedback{background:#e9f6fe;border-radius:7px;font-size:13px;padding:9px 12px;color:#124963;margin:10px 0}.primary{background:#087fae;color:#fff!important;border:0;border-radius:10px;padding:12px 17px;font-size:14px;font-weight:800;text-decoration:none;cursor:pointer;display:inline-block}.primary:hover{background:#056890}.vocab-result{font-weight:700;color:#176c4d}.vocab-done{border:1px solid #b9e0c7;background:#effaf2;padding:14px 17px;border-radius:11px;margin-top:15px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}.vocab-done[hidden],.vocab-finish[hidden]{display:none!important}.vocab-done span{font-weight:800;color:#157342}.vocab-finish{text-align:center;border:1px solid #edd99e;border-radius:18px;padding:40px;background:linear-gradient(130deg,#fffaef,#fff)}.vocab-finish img{width:95px;height:108px;object-fit:contain}.all-sources{border:1px solid #d8e8f1;background:#fff;padding:24px 28px;border-radius:17px}.all-sources ul{padding-left:22px;font-size:14px}.all-sources li{margin:9px 0}.print{border:1px solid #c8e2f0;background:#e5f6ff;color:#056a96;border-radius:9px;padding:11px 15px;font-weight:700;cursor:pointer}
@media(max-width:950px){.vocab-layout{grid-template-columns:1fr}.vocab-aside{position:static}.vocab-steps{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.vocab-step{border:1px solid #d8eaf5;border-radius:9px;padding:9px}}
@media(max-width:700px){.vocab-shell{padding:16px 14px 60px}.vocab-hero{grid-template-columns:1fr}.vocab-hero>div:first-child{padding:22px}.hero-art img{max-height:240px}.term-grid,.traffic{grid-template-columns:1fr}.vocab-steps{grid-template-columns:1fr}.vocab-quiz{padding:13px}.vocab-done{flex-direction:column;align-items:stretch}}
@media print{header.c40-header,.vocab-aside,footer,.vocab-quiz button,.vocab-done,.print{display:none!important}.vocab-shell{max-width:none;padding:0}.vocab-hero{display:block;background:white;border:0}.vocab-hero>div:first-child{padding:0}.vocab-hero .hero-art{display:none}.vocab-layout{display:block}.vocab-lesson,.vocab-js .vocab-lesson:not(.is-current){display:block!important;break-before:page;background:#fff;border:0;padding:5px 0}.term-grid{grid-template-columns:1fr 1fr}.term-grid .vocab-term{break-inside:avoid}.traffic>div,.idea{-webkit-print-color-adjust:exact;print-color-adjust:exact}.vocab-q-feedback{display:block!important}.vocab-finish{display:none!important}.all-sources{border:0;padding:0}.vocab-q{break-inside:avoid}}