/* Word Atlas reference: quiet canvas, large lexical type, image-first reading. */
body .app[data-look]{--paper:var(--a-bg);--surface:var(--a-panel);--surface-2:var(--a-raised);--surface-3:var(--a-raised);--ink:var(--a-text);--muted:var(--a-muted);--quiet:var(--a-muted);--line:var(--a-line);--green:var(--a-accent);--on-primary:var(--a-on);--positive:var(--a-good);--negative:var(--a-bad);--review-accent:var(--a-accent);--review-positive:var(--a-good);--review-negative:var(--a-bad);--review-wash:var(--a-panel);--review-paper:var(--a-bg);--review-shadow:none;background:var(--a-bg);color:var(--a-text);font-family:Manrope,Arial,sans-serif}
body .app .style-lab{display:none}body .app .container{max-width:1180px}
body .app .site-header{background:var(--a-bg);border:0;border-bottom:1px solid var(--a-line);box-shadow:none;backdrop-filter:blur(20px)}
body .app .header-inner{max-width:1320px;min-height:86px;padding-inline:32px;gap:30px}
body .app .brand-image{width:153px;height:51px}body .app .brand-link{padding:3px 9px;background:#f7f3e9;border-radius:11px;flex-shrink:0}
body .app .course-nav{gap:6px}body .app .nav-dropdown summary{color:var(--a-muted);font-size:13px;min-height:44px;font-weight:550;gap:8px}
body .app .nav-dropdown.current summary,body .app .nav-dropdown summary:hover{color:var(--a-text);background:var(--a-raised);border-radius:12px}
body .app .nav-menu{background:var(--a-panel);border:1px solid var(--a-line);border-radius:18px;box-shadow:0 18px 70px #0006;padding:12px}
body .app .nav-menu a{color:var(--a-text);border-color:var(--a-line)}body .app .nav-menu a:hover{background:var(--a-raised)}
body .app .collection-trigger,body .app .language-select{color:var(--a-muted);border:1px solid var(--a-line);border-radius:30px;background:var(--a-panel);min-height:42px}
body .app .language-select select{background:transparent;color:var(--a-text)}body .app .language-select option{background:var(--a-panel)}
body .app .button{border-radius:30px;min-height:46px;font-size:14px;font-weight:650;box-shadow:none;transition:background .18s,transform .18s}
body .app .button.primary{background:var(--a-accent);color:var(--a-on);border:1px solid var(--a-accent);box-shadow:0 5px 24px color-mix(in srgb,var(--a-accent) 20%,transparent)}
body .app .button.secondary{background:var(--a-raised);border:1px solid var(--a-line);color:var(--a-text)}
body .app .button:hover{transform:translateY(-1px)}body .app .button:active{transform:translateY(1px)}
body .app .studio-home{padding-top:45px}
body .app .studio-hero{display:grid;grid-template-columns:1fr 1.05fr;gap:48px;min-height:395px;padding:0 0 28px;background:none;border:0;border-radius:0;overflow:visible;align-items:center}
body .app .studio-hero:before,body .app .studio-hero:after,body .app .scene-edition{display:none}
body .app .studio-scene{position:relative;grid-column:2;grid-row:1;width:100%;height:355px;object-fit:cover;object-position:72% center;mask-image:none;border-radius:26px;opacity:1;box-shadow:0 24px 55px #0003;order:initial}
body .app .studio-hero-copy{position:relative;padding:0;grid-column:1;grid-row:1;max-width:none;margin:0;z-index:1;width:100%}
body .app .studio-kicker{font-size:11px;letter-spacing:.12em;color:var(--a-accent)}
body .app .studio-hero h1{font-family:inherit;color:var(--a-text);font-weight:750;font-size:46px;line-height:1.23;letter-spacing:-.04em;text-align:start;margin:24px 0 21px;max-width:480px}
body .app .studio-hero-copy>p{font-size:16px;line-height:1.85;color:var(--a-muted);text-align:start;max-width:420px}
body .app .hero-start{margin-top:26px;padding:14px 23px}
body .app .studio-hero-meta{color:var(--a-muted);font-size:11px;justify-content:flex-start;margin-top:26px}
body .app .studio-section-heading{margin:42px 0 25px;align-items:center}
body .app .studio-section-heading h2{font-family:inherit;font-size:26px;font-weight:650;letter-spacing:-.03em;color:var(--a-text);margin-top:10px}
body .app .studio-levels{background:var(--a-panel);border:1px solid var(--a-line);padding:4px;border-radius:30px}
body .app .studio-levels button{color:var(--a-muted);min-height:40px;min-width:52px;border-radius:24px;font-size:13px}
body .app .studio-levels button[aria-pressed=true]{background:var(--a-accent);color:var(--a-on)}
body .app .studio-skills{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
body .app .studio-skill,body .app .topic-card{background:var(--a-panel);border:1px solid var(--a-line);box-shadow:none;border-radius:21px;overflow:hidden;display:block;padding:0;transition:transform .22s,border-color .22s}
body .app .studio-skill:hover,body .app .topic-card:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--a-accent) 20%,transparent);box-shadow:0 16px 35px #0002}
body .app .studio-skill-image{padding:0;aspect-ratio:1.85;height:auto;background:none}
body .app .studio-skill-copy,body .app .card-copy{padding:22px 24px 24px}
body .app .skill-title-line h3{font-size:20px;color:var(--a-text);font-weight:650}
body .app .studio-skill-copy>p,body .app .card-copy>p{font-size:14px;color:var(--a-muted);line-height:1.8;min-height:0;margin:13px 0 18px}
body .app .studio-skill-copy>span,body .app .card-facts{font-size:12px;color:var(--a-muted)}
body .app .studio-feature,body .app .studio-continue,body .app .studio-method,body .app .level-gateway{border:1px solid var(--a-line);background:var(--a-panel);color:var(--a-text);box-shadow:none;border-radius:22px}
body .app .studio-feature h2{font-family:inherit;color:var(--a-text);font-size:29px}
body .app .studio-feature .topic-art{border-radius:18px}
body .app .studio-method{padding:25px 30px;margin-bottom:50px}body .app .gateway-level{color:var(--a-accent)}
body .app .site-footer{background:var(--a-bg);border-top:1px solid var(--a-line);color:var(--a-muted)}
body .app .site-footer a,body .app .site-footer p,body .app .site-footer small{color:var(--a-muted)}
body .app .footer-main .brand{background:#f7f3e9;border-radius:10px;padding:4px 8px}
/* Remove the boxed-document shell. Title and navigation stay subordinate to learning. */
body .app .unit-page{max-width:1160px;padding-top:28px;padding-bottom:55px;background:none}
body .app .breadcrumbs{font-size:12px;color:var(--a-muted);margin-bottom:22px}
body .app .unit-intro{padding-bottom:25px;border:0}
body .app .unit-intro h1{font-family:inherit;color:var(--a-text);font-size:26px;font-weight:650;letter-spacing:-.02em}
body .app .level-tag{background:var(--a-raised);color:var(--a-text);border:0;border-radius:8px;font-size:11px}
body .app .unit-tabs{position:relative;background:transparent;border:0;border-bottom:1px solid var(--a-line);padding-bottom:16px;margin-bottom:34px;gap:9px}
body .app .unit-tabs a{color:var(--a-muted);border:0;font-size:13px;padding:11px 19px;min-height:42px;border-radius:24px}
body .app .unit-tabs a.active{background:var(--a-raised);color:var(--a-accent);border:1px solid var(--a-line);box-shadow:none}
body .app .unit-tabs a:hover{color:var(--a-text)}
/* Full illustration on the left, uninterrupted lexical hierarchy on the right. */
body .app .word-card{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:52px;padding:12px 0 35px;background:none;border:0;border-radius:0;box-shadow:none;align-items:start}
body .app .word-art{position:sticky;top:28px;min-width:0}
body .app .word-image-frame{width:100%;max-width:none;aspect-ratio:auto;padding:0;border:0;border-radius:25px;background:none;overflow:hidden;box-shadow:0 20px 48px #0003}
body .app .word-image-frame img{display:block;width:100%;height:auto;max-height:none;max-width:none;object-fit:contain;border-radius:25px}
body .app .word-level{display:inline-flex;margin-top:16px;background:var(--a-raised);color:var(--a-muted);padding:5px 10px;border-radius:8px;font-size:11px}
body .app .word-head{border:0;padding:0;margin:0}
body .app .headword{font-family:inherit;font-size:clamp(42px,6.2vw,82px);letter-spacing:-.05em;color:var(--a-text);line-height:1.05;font-weight:750;margin:0 0 23px;overflow-wrap:anywhere}
body .app .word-pronunciation{gap:10px;margin:0 0 25px}
body .app .word-pronunciation button,body .app .word-example button{color:var(--a-text);background:var(--a-raised);border:1px solid var(--a-line);box-shadow:none;border-radius:30px;min-height:44px;padding:10px 16px;font-size:13px}
body .app .recall-toggle{color:var(--a-muted);font-size:12px;margin:4px 0 22px}
body .app .word-meaning{font-size:23px;color:var(--a-text);font-weight:600;line-height:1.6;margin:0 0 6px}
body .app .english-definition{color:var(--a-muted);font-size:15px;line-height:1.75}
body .app .word-detail{border-top:1px solid var(--a-line);margin-top:29px;padding-top:27px}
body .app .word-detail h3{font-size:12px;color:var(--a-accent);font-weight:550;letter-spacing:.08em;margin-bottom:15px}
body .app .word-example p[lang=en]{font-size:22px;line-height:1.85;color:var(--a-text);font-weight:400}
body .app .word-example p:not([lang=en]){font-size:15px;line-height:1.85;color:var(--a-muted)}
body .app .word-example mark{background:transparent;color:var(--a-accent);border-radius:0;box-shadow:inset 0 -2px color-mix(in srgb,var(--a-accent) 20%,transparent);padding:0}
body .app .word-combinations{gap:12px}
body .app .word-combinations span{background:var(--a-panel);border:1px solid var(--a-line);border-radius:15px;padding:15px 17px;font-size:16px;color:var(--a-text)}
body .app .word-combinations small{font-size:13px;color:var(--a-muted);margin-top:6px}
body .app .word-controls{padding:22px 0;border-top:1px solid var(--a-line);margin-top:10px}
body .app .word-jump button{background:transparent;border:1px solid var(--a-line);color:var(--a-muted);border-radius:30px;padding:10px 16px;font-size:13px}
body .app .word-jump button.active,body .app .word-jump button[aria-pressed=true]{background:var(--a-accent);color:var(--a-on)}
/* Reader: a calm column, original cover and native audio. */
body .app .material-card{background:none;border:0;box-shadow:none;border-radius:0;padding:10px 0 35px}
body .app .material-intro-grid{gap:42px;align-items:center}
body .app .material-illustration{border-radius:22px;overflow:hidden;background:none;box-shadow:0 18px 45px #0002}
body .app .material-illustration img{object-fit:contain;border-radius:22px}
body .app .material-card h2{font-family:inherit;font-size:35px;line-height:1.3;letter-spacing:-.025em;color:var(--a-text)}
body .app .reading-text{max-width:740px;margin:36px auto 20px;font-size:20px;line-height:1.95;color:var(--a-text)}
body .app .listening-player{background:var(--a-raised);border:1px solid var(--a-line);border-radius:20px;padding:22px;margin-block:28px}
body .app audio{width:100%;color-scheme:dark}
/* One active task: no nested rainbow boxes. */
body .app .practice-main{max-width:820px;width:100%;margin-inline:auto}
body .app .question-card{background:var(--a-panel);border:1px solid var(--a-line);box-shadow:0 20px 65px #0002;border-radius:25px;padding:32px 36px}
body .app .question-position{color:var(--a-accent);font-size:18px;font-weight:650}
body .app .question-context p,body .app .question-context blockquote{font-size:24px;line-height:1.7;color:var(--a-text);font-weight:500}
body .app .question-context h3{font-size:16px;line-height:1.7;color:var(--a-muted);font-weight:400;margin-bottom:26px}
body .app .option{border:1px solid var(--a-line);background:var(--a-raised);color:var(--a-text);border-radius:14px;min-height:62px;box-shadow:none;font-size:17px;padding:14px 17px;margin-bottom:12px;transition:border-color .16s,background .16s}
body .app .option-letter{background:var(--a-raised);border:0;border-radius:9px;color:var(--a-muted);width:29px;height:29px;font-size:12px}
body .app .option:hover{border-color:var(--a-line)}
body .app .option.selected{background:var(--a-raised);border-color:var(--a-accent);box-shadow:0 0 0 1px color-mix(in srgb,var(--a-accent) 20%,transparent)}
body .app .option.correct,body .app .option.correct.selected{background:var(--a-good-bg);border-color:#649e84;color:var(--a-good);box-shadow:none}
body .app .option.wrong,body .app .option.wrong.selected{background:var(--a-bad-bg);border-color:#a76e7e;color:var(--a-bad);box-shadow:none}
body .app .feedback.review-panel{background:transparent;border:0;border-top:1px solid var(--a-line);border-radius:0;padding:28px 0 0;box-shadow:none;margin-top:30px}
body .app .feedback-symbol{background:var(--a-raised);border-radius:50%;box-shadow:none}
body .app .sentence-repair,body .app .answer-result{background:var(--a-bg);border:0;border-radius:18px;padding:24px}
body .app .feedback-heading h3{font-size:19px;color:var(--a-text)}
body .app .repair-before p{font-size:17px;color:var(--a-muted)}body .app .repair-after p{font-size:23px;color:var(--a-text)}
body .app .reason-block{background:none;border:0;padding:0;color:var(--a-text)}
body .app .reason-block p{line-height:1.85;font-size:16px}
body .app .reason-block h4{color:var(--a-accent);font-size:13px}
body .app .grammar-visual-guide{background:none;border:0;box-shadow:none;padding:0}
body .app .grammar-map-image{border-radius:20px;object-fit:contain}
body .app .rule-card{background:var(--a-panel);border:1px solid var(--a-line);border-radius:16px}
body .app .grammar-page{padding-top:28px}
body .app .section-heading h1{font-family:inherit;font-size:42px;color:var(--a-text);letter-spacing:-.035em;font-weight:700}
body .app .unit-count{background:var(--a-raised);border:0;border-radius:18px;color:var(--a-accent)}
body .app .lesson-search{background:var(--a-panel);border:1px solid var(--a-line);border-radius:30px;padding-inline:19px}
body .app .filter-tabs a{border-radius:25px;color:var(--a-muted)}body .app .filter-tabs a.active{background:var(--a-accent);color:var(--a-on)}
body .app .topic-grid{gap:25px}
body .app .card-copy h3{font-size:20px;color:var(--a-text);font-weight:650}
body .app .card-action{color:var(--a-accent);border-color:var(--a-line);font-size:13px}
body .app .saved-dialog{background:var(--a-panel);color:var(--a-text);border:1px solid var(--a-line);border-radius:24px;box-shadow:0 30px 100px #0008}
body .app :focus-visible{outline:2px solid var(--a-accent);outline-offset:4px}
@media(max-width:950px){body .app .header-inner{gap:12px;padding:13px 20px;flex-wrap:wrap}body .app .course-nav{order:4;width:100%;justify-content:center}body .app .studio-hero{gap:28px}body .app .studio-hero h1{font-size:38px}body .app .word-card{gap:30px}body .app .studio-skills{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){body .app .container{padding-inline:21px}body .app .header-inner{padding:12px 18px;gap:10px}body .app .brand-image{width:125px;height:40px}body .app .brand-link{padding:2px 7px}body .app .course-nav{display:grid;grid-template-columns:repeat(3,1fr);gap:0;overflow:visible}body .app .nav-dropdown summary{justify-content:center;font-size:12px}body .app .nav-dropdown:nth-child(3n) .nav-menu{left:auto;right:0}body .app .language-select select{max-width:80px}body .app .studio-home{padding-top:29px}body .app .studio-hero{display:flex;flex-direction:column;gap:25px;padding:0;align-items:stretch}body .app .studio-hero-copy{padding:0}body .app .studio-hero h1{font-size:36px;margin:19px 0 17px}body .app .studio-hero-copy>p{font-size:15px}body .app .studio-scene{height:215px;width:100%;order:2;border-radius:21px;mask-image:none}body .app .studio-hero-meta{font-size:11px;gap:10px}body .app .studio-section-heading{flex-direction:column;align-items:flex-start;gap:19px}body .app .studio-section-heading h2{font-size:25px}body .app .studio-skills{grid-template-columns:1fr;gap:22px}body .app .studio-skill-copy{padding:22px}body .app .studio-skill-copy>p{font-size:15px;min-height:0}body .app .studio-features{grid-template-columns:1fr}body .app .studio-method{padding:22px}body .app .unit-page{padding-top:20px}body .app .unit-intro h1{font-size:23px}body .app .unit-tabs{margin-inline:0;padding-inline:0;gap:2px;flex-wrap:wrap;margin-bottom:27px}body .app .unit-tabs a{padding:10px 13px;font-size:13px}body .app .word-card{display:flex;flex-direction:column;gap:30px;padding:0 0 20px}body .app .word-art{position:relative;top:auto;width:100%}body .app .word-image-frame{width:100%;max-width:400px;margin-inline:auto}body .app .word-body{width:100%}body .app .headword{font-size:57px;margin-bottom:20px}body .app .word-meaning{font-size:22px}body .app .word-example p[lang=en]{font-size:20px}body .app .word-jump{gap:8px}body .app .word-jump button{font-size:12px;padding:9px 13px}body .app .question-card{padding:25px 19px;border-radius:21px}body .app .question-context p{font-size:21px}body .app .question-context h3{font-size:15px}body .app .option{font-size:16px;padding:12px;gap:12px}body .app .sentence-repair{padding:18px}body .app .repair-after p{font-size:20px}body .app .reading-text{font-size:18px;line-height:1.9}body .app .material-intro-grid{gap:25px}body .app .material-card h2{font-size:29px}body .app .topic-grid{grid-template-columns:1fr}body .app .topic-card{display:block}body .app .card-art{width:100%;height:auto}body .app .card-copy{padding:22px}body .app .stage-picker{max-width:62%}}
@media(prefers-reduced-motion:reduce){body .app *{transition:none!important;animation:none!important}}
@media print{body .app[data-look]{background:white;color:black}}
/* Compact the lexical hierarchy after comparison with the live reference. */
body .app .word-detail{border:0;margin-top:8px;padding:0}
body .app .word-pronunciation{margin-bottom:12px}
body .app .recall-toggle{margin:0 0 14px;min-height:34px}
body .app .word-example{border-top:1px solid var(--a-line);margin-top:26px;padding-top:25px}
body .app .word-example>small,body .app .word-combinations>small{font-size:12px;color:var(--a-accent);letter-spacing:.06em}
body .app .word-combinations{border-top:1px solid var(--a-line);margin-top:25px;padding-top:24px}
body .app .word-combinations>div{gap:12px}
body .app .save-word{border:0;background:none;color:var(--a-muted);min-width:44px;min-height:44px;padding:10px;border-radius:50%}
body .app .save-word span{display:none}body .app .save-word[aria-pressed=true]{color:var(--a-accent);background:color-mix(in srgb,var(--a-accent) 20%,transparent)}
body .app .word-head{height:35px;align-items:center}
body .app .word-tip{font-size:13px;line-height:1.8;color:var(--a-muted);background:var(--a-panel);border:0;border-radius:14px;padding:15px 18px}