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var(--line);border-radius:15px;margin-top:16px;padding:18px}.vocabulary-example>span{color:var(--muted);font-size:11px;font-weight:750}.vocabulary-example p{color:var(--ink);margin:12px 0 5px;font-size:22px;font-weight:700;line-height:1.4}.vocabulary-example small{color:var(--muted);margin-bottom:16px;font-size:13px;display:block}.vocabulary-tip{color:#6a5a35;background:var(--warning-soft);border-radius:11px;gap:8px;margin:14px 0 0;padding:13px;font-size:12px;line-height:1.5;display:flex}.vocabulary-tip svg{color:var(--warning);flex:none}.action-bar{z-index:30;padding:10px 14px max(10px,env(safe-area-inset-bottom));border-top:1px solid var(--line);background:#fffffffa;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -8px 25px #1f29400f}.action-bar__inner{grid-template-columns:auto 1fr auto;gap:7px;max-width:720px;margin:0 auto;display:grid}.action-bar__inner>span{min-width:0}.action-bar .button{min-height:52px}.action-bar .button--primary{min-width:118px}@media(min-width:768px){.home-header{height:72px;padding:0 28px}.home-main{padding:30px 28px 65px}.home-hero{flex-direction:row;align-items:center;min-height:285px;padding:38px 42px}.home-progress-ring{border:8px solid #fff3;border-radius:50%;flex:0 0 145px;justify-content:center;align-items:baseline;width:145px;height:145px;padding:0;position:relative}.home-progress-ring strong{margin-top:35px;font-size:45px}.home-progress-ring small{margin-left:0;position:absolute;bottom:27px}.recommended-card{grid-template-columns:auto 1fr auto;align-items:center;padding:26px}.recommended-meta{grid-column:2}.recommended-card>.button{grid-area:1/3/3;min-width:155px}.recommended-card__copy h2{font-size:24px}.review-banner{grid-template-columns:auto 1fr auto;padding:18px 22px}.review-banner .button{grid-area:1/3}.section-heading>p{display:block}.pattern-grid{grid-template-columns:repeat(2,1fr);gap:14px}.app-shell{padding-bottom:96px}.app-header{height:72px;padding:0 28px}.brand-mark{width:38px;height:38px}.brand-copy strong{font-size:15px}.brand-copy span{font-size:12px}.lesson-workspace{grid-template-columns:minmax(210px,.7fr) minmax(440px,1.3fr);gap:24px;padding:28px;display:grid}.workspace-tutor{flex-direction:column;gap:15px;display:flex}.workspace-tutor .tutor-panel{flex-direction:column;position:sticky;top:24px}.workspace-tutor .tutor-avatar{border-radius:18px;flex-basis:75px;width:75px;height:75px}.workspace-tutor .tutor-avatar__head{transform-origin:0 0;top:13px;left:24px;transform:scale(1.45)}.workspace-tutor .tutor-avatar__body{transform-origin:0 100%;left:15px;transform:scale(1.5)}.desktop-pattern-card{border:1px solid var(--line);background:#ffffffb3;border-radius:14px;padding:17px}.desktop-pattern-card strong{color:#2c4384;margin:8px 0 4px;font-size:16px;display:block}.desktop-pattern-card p{color:var(--muted);margin:0;font-size:13px}.mobile-tutor{display:none}.learning-board{border:1px solid var(--line);background:#ffffffb8;border-radius:20px;min-height:calc(100vh - 168px);padding:32px;box-shadow:0 16px 45px #222d440d}.step-heading{margin-top:0}.stage-shell{gap:22px}.visual-scene{height:370px}.action-bar{padding-left:28px;padding-right:28px}.action-bar__inner{max-width:830px}.action-bar__inner>span{display:block}.lesson-summary strong{font-size:12px}.transfer-breakdown{grid-template-columns:repeat(3,1fr)}.transfer-breakdown span:last-child{grid-column:auto}.vocabulary-overlay{align-items:center}.vocabulary-sheet{border-radius:20px}}@media(min-width:1120px){.home-header{padding:0 40px}.home-main{padding-top:38px}.pattern-grid{grid-template-columns:repeat(4,1fr)}.mobile-progress-label,.mobile-progress-track{display:none}.app-header{padding:0 40px}.exit-button{margin-left:auto}.lesson-workspace{grid-template-columns:260px minmax(560px,1fr) 235px;gap:28px;padding:32px 40px 38px}.workspace-tutor .tutor-panel{top:32px}.learning-board{padding:38px clamp(38px,5vw,72px)}.lesson-rail{align-self:start;gap:16px;padding:10px 0;display:flex;position:sticky;top:28px}.rail-progress{color:var(--primary);flex-direction:column;align-items:center;gap:8px;font-size:10px;font-weight:800;display:flex}.rail-progress>div{background:#e1e5ee;border-radius:4px;width:3px;height:390px;position:relative;overflow:hidden}.rail-progress i{background:var(--primary);transition:height .3s;position:absolute;top:0;left:0;right:0}.lesson-rail ol{flex-direction:column;gap:5px;margin:0;padding:0;list-style:none;display:flex}.lesson-rail li{opacity:.42;align-items:center;gap:10px;min-height:42px;display:flex}.lesson-rail li>span{color:#737b8c;background:#f6f7fa;border:1px solid #cbd1dd;border-radius:50%;flex:0 0 23px;place-items:center;width:23px;height:23px;font-size:9px;font-weight:750;display:grid}.lesson-rail li div{flex-direction:column;display:flex}.lesson-rail li b{color:#4b5366;font-size:11px}.lesson-rail li small{color:var(--muted);font-size:9px;display:none}.lesson-rail li.current{opacity:1}.lesson-rail li.current>span{border-color:var(--primary);color:#fff;background:var(--primary)}.lesson-rail li.current b{color:var(--primary)}.lesson-rail li.current small{display:block}.lesson-rail li.done{opacity:.75}.lesson-rail li.done>span{color:var(--success);background:var(--success-soft);border-color:#bde0d2}.action-bar__inner{max-width:920px}}@media(min-width:1400px){.lesson-workspace{grid-template-columns:285px minmax(620px,1fr) 260px;gap:38px}.learning-board{padding-left:85px;padding-right:85px}.lesson-rail li small{display:block}}@media(max-width:390px){.learning-board{padding-left:14px;padding-right:14px}.brand-copy strong{font-size:13px}.action-bar{padding-left:8px;padding-right:8px}.action-bar .button{padding-left:12px;padding-right:12px}.action-bar .button--ghost span{display:none}.variation-grid button b{font-size:10px}.scene-bubble{left:35%}.recall-form{grid-template-columns:1fr}.recall-form .button{width:100%}.step-heading{align-items:flex-start}.vocabulary-help-button{width:42px;padding:0;font-size:0}.vocabulary-help-button svg{width:18px;height:18px}.learning-purpose{padding:15px}.learning-purpose__icon{display:none}.vocabulary-overlay{padding:8px}.vocabulary-sheet{max-height:84vh}}@media(prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}