/* M2 application skin. Original M0 typography and stage CSS remain in style.css. */
.m2 {--canvas:#f4eddd;--paper:#fcf8ee;--ink:#3e4438;--muted:#85826f;--green:#53634b;--gold:#ad8755;background:var(--canvas);font-size:15px;line-height:1.65}
.m2 a{color:inherit;text-decoration:none}.m2 button,.m2 input,.m2 select{font:inherit}.m2 button{border:0}.m2 button:disabled{cursor:default;opacity:.55}
.m2 svg{width:22px;height:22px;flex-shrink:0;vertical-align:middle}.m2 h1,.m2 h2,.m2 h3{font-family:'Songti SC','Noto Serif CJK SC','STSong',serif;font-weight:500;line-height:1.45;margin:0 0 12px}.m2 h1{font-size:29px;letter-spacing:.02em}.m2 h2{font-size:19px}.m2 h3{font-size:17px}.m2 p{margin:0 0 12px}.m2 strong{font-weight:600}.m2 mark{background:transparent;color:inherit;border-bottom:2px solid #c9995c;padding:0 1px}
.app-shell{width:min(100%,600px);min-height:100dvh;margin:auto;padding:0 24px calc(106px + env(safe-area-inset-bottom))}.top-brand{display:flex;justify-content:space-between;align-items:center;padding:22px 0 18px;border-bottom:1px solid #d6cdb8;font:17px Cormorant,Georgia,serif;letter-spacing:.03em}.top-brand span{font:10px sans-serif;letter-spacing:.18em;color:var(--muted)}.page-heading{padding:30px 0 21px}.page-heading h1{margin-top:5px}.eyebrow{font-size:10px;font-weight:500;letter-spacing:.17em;text-transform:uppercase;color:var(--muted)}.muted,.caption{color:var(--muted)}.caption{font-size:12px;line-height:1.7}.centered{text-align:center}.english{font:20px/1.55 Cormorant,Georgia,serif}.paper{background:var(--paper);border:1px solid #e0d7c4;border-radius:5px;padding:22px;margin:0 0 22px;box-shadow:0 3px 6px #66593603}.section-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:14px}.section-head h2,.section-head p{margin:0}.primary,.secondary,.text-button,.round-button{display:inline-flex;justify-content:center;align-items:center;gap:12px;min-height:48px;border-radius:4px;padding:12px 18px;font-size:14px;font-weight:500;transition:background .2s}.m2 .primary{background:var(--green);color:#fffaf0}.m2 .secondary{background:transparent;border:1px solid #ccc3ae}.text-button{background:transparent;padding:8px 0;color:var(--green)}.round-button{border:1px solid #d5ccb8!important;border-radius:50%;width:46px;height:46px;padding:10px;background:transparent}.wide{width:100%}.primary:hover{background:#3e503a}.secondary:hover{background:#eee7d7}.m2 :focus-visible{outline:2px solid #9c7242;outline-offset:4px}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.tabbar{position:fixed;bottom:0;left:50%;transform:translateX(-50%);z-index:20;width:min(100%,600px);height:calc(76px + env(safe-area-inset-bottom));padding:9px 15px calc(8px + env(safe-area-inset-bottom));display:grid;grid-template-columns:repeat(4,1fr);background:#f9f4e8f5;border-top:1px solid #d6cdb8;backdrop-filter:blur(14px)}.tabbar a{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:4px;color:#8e8d7e;font-size:11px;letter-spacing:.12em}.tabbar svg{width:22px;height:22px}.tabbar .active{color:var(--green);font-weight:600}.tabbar .active:after{content:'';height:3px;width:3px;border-radius:50%;background:var(--green);position:absolute;bottom:calc(7px + env(safe-area-inset-bottom))}
.bunny{width:100px;height:110px;object-fit:contain;mix-blend-mode:multiply}.hero{position:relative;overflow:hidden;background:linear-gradient(125deg,#fdf9ed,#edeedb);padding:25px 22px 22px}.hero-copy{position:relative;z-index:1;width:75%}.hero h2{font-size:28px;margin:2px 0 5px}.hero-copy>p:not(.eyebrow){font-size:12px;color:var(--muted)}.hero-bunny{position:absolute;right:-10px;top:22px;width:158px;height:180px;transform:rotate(4deg)}.daily-counts{display:flex;gap:38px;margin:15px 0 25px}.daily-counts div{display:flex;flex-direction:column}.daily-counts strong{font:43px/1.15 Cormorant,Georgia,serif}.daily-counts span{font-size:11px;color:var(--muted);margin-top:4px}.hero>.primary{position:relative;z-index:1;justify-content:space-between}.plan-panel{padding:16px 18px;margin-top:-10px}.m2 summary{cursor:pointer;font-size:14px;padding:3px 0}.plan-panel summary span{font-size:11px;color:var(--muted);float:right}.plan-panel .form-stack{margin-top:20px}.notice{font-size:13px;color:#916b43;padding:12px;background:#ede3ce}.form-stack{display:grid;gap:20px}.form-stack label{display:grid;gap:7px;font-size:13px}.m2 input:not([type=checkbox]),.m2 select{width:100%;min-height:46px;background:#fffdf6;border:1px solid #d8d0bd;border-radius:4px;color:var(--ink);padding:10px 12px;min-width:0}.form-stack small{color:var(--muted);font-size:11px;font-weight:400}.form-stack .switch-label{display:flex;justify-content:space-between;align-items:center;min-height:40px}.switch-label input{width:21px;height:21px;accent-color:var(--green)}
.progress-section{padding:14px 0 20px}.progress-section .section-head{margin-bottom:0}.popbook{width:280px;max-width:100%;height:180px;margin:auto;position:relative;perspective:650px;isolation:isolate}.book-base{position:absolute;width:245px;height:110px;background:linear-gradient(90deg,#e4d5b5,#faf3db 48%,#d9c6a0 50%,#fcf6e1 52%,#e8d8b6);left:50%;bottom:18px;border-radius:8px 8px 12px 12px;transform:translateX(-50%) rotateX(48deg);border-bottom:7px solid #7b785e;box-shadow:0 5px 0 #d7c6a4,0 8px 0 #888263,0 18px 22px #7e715327}.book-shadow{position:absolute;bottom:3px;left:28px;width:225px;height:45px;border-radius:50%;background:#79674115;filter:blur(12px)}.rising-page{position:absolute;width:72px;height:100px;bottom:48px;left:calc(36px + var(--i)*29px);transform-origin:50% 100%;transform:rotateX(calc(75deg + var(--rise))) rotateZ(calc((var(--i) - 2.5)*2deg));background:linear-gradient(135deg,#faf4df,#e4d4b1);border:1px solid #c7b58f;border-radius:26px 26px 3px 3px;box-shadow:2px 2px 8px #6f64431c;transition:transform 1s ease}.rising-page:after{content:'';position:absolute;left:13px;right:13px;top:22px;height:52px;border:1px solid #99a083;border-radius:28px 28px 0 0;background:linear-gradient(150deg,#b9c6a06b,transparent)}.book-bunny{position:absolute;z-index:10;width:66px;height:100px;object-fit:contain;left:109px;bottom:26px;filter:drop-shadow(0 4px 2px #58492f15)}.streak-panel .section-head{margin-bottom:5px}.streak-panel .bunny{width:54px;height:60px;margin-top:-10px}.streak-panel strong{font-family:inherit;color:var(--green)}.week-dots{display:flex;justify-content:space-between;gap:5px;margin:12px 0 20px}.week-dots>div{text-align:center}.day-dot{width:31px;height:31px;display:grid;place-items:center;border:1px solid #d9d2bf;border-radius:50%;font-size:10px;color:#999684}.day-dot.lit{background:var(--green);border-color:var(--green);color:var(--paper)}.day-dot.frozen{background:#dde2e0;color:#61727c}.day-dot.current{outline:1px solid #ae8b56;outline-offset:4px}.day-dot svg{width:16px;height:16px}.week-dots small{font-size:10px;color:var(--muted);display:block;margin-top:7px}.freeze-line{display:flex;gap:7px;align-items:center;font-size:12px;padding-top:14px;border-top:1px solid #e5decc}.freeze-line strong{margin-left:auto;font-size:11px}.streak-panel .caption{margin:10px 0 0}.daily-word .stage{border-radius:2px}.daily-word-title{font:40px/1.2 Cormorant,Georgia,serif;display:flex;justify-content:space-between;align-items:center;margin:18px 0 8px}.daily-word p:not(.caption){font-size:14px}.daily-word .secondary{margin-top:6px}.reading .passage{font:23px/1.65 Cormorant,Georgia,serif;letter-spacing:.005em}.reading-word{border-bottom:1px solid #8e9b79}.reading-word.unlearned{border-bottom-style:dashed;background:#d9ba6a18}.reading-word:hover{background:#e6ddbc}.reading p:last-child{margin-bottom:0}
.chapter-map{position:relative}.chapter-map:before{content:'';position:absolute;top:40px;bottom:40px;left:25px;border-left:1px dashed #c7bea8}.chapter-row{display:grid;grid-template-columns:48px 1fr 24px;gap:16px;align-items:center;position:relative;min-height:114px;padding:19px 0}.chapter-row h2{font-size:20px;margin:0 0 5px}.chapter-row p{margin:0 0 5px}.chapter-number{height:48px;width:48px;display:grid;place-items:center;font:25px Cormorant,Georgia,serif;border:1px solid #c9c4ad;background:var(--canvas);border-radius:50%;position:relative}.chapter-row.open .chapter-number{background:var(--green);color:var(--paper);border-color:var(--green)}.chapter-row.locked{opacity:.55}.thin-progress{background:#ded8c3;height:3px;max-width:180px;margin-top:10px}.thin-progress i{display:block;height:100%;background:var(--green)}.back-link{display:inline-flex;gap:4px;align-items:center;min-height:44px;font-size:13px;margin-top:12px}.back-link+.page-heading{padding-top:10px}.level-route{display:grid;grid-template-columns:repeat(6,1fr);gap:6px;margin-bottom:24px}.level-route button{background:var(--paper);border:1px solid #d9cfb9;border-radius:35px;padding:12px 0;display:grid;gap:5px}.level-route strong{font:20px Georgia,serif}.level-route small{font-size:9px;color:var(--muted)}.level-route button.active{background:var(--green);color:var(--paper)}.level-route .active small{color:#e6e4d2}.filter-panel{padding:15px;background:#ebe4d2;border-radius:4px}.filter-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:14px}.filter-grid label>span{display:block;font-size:10px;color:var(--muted);margin-bottom:4px}.filter-grid select{font-size:12px;padding:8px;min-height:40px}#word-results>.section-head{margin-top:12px;margin-bottom:7px}.word-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.word-tile{background:var(--paper);border:1px solid #ded4bf;padding:14px;border-radius:4px;display:flex;flex-direction:column;min-height:140px}.tile-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.word-tile strong{font:26px/1.1 Cormorant,Georgia,serif;overflow-wrap:anywhere;margin:0 0 8px}.word-tile small{font-size:10px;color:var(--muted)}.tile-meaning{font-size:12px;min-height:22px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.state-dot{width:6px;height:6px;border:1px solid #b8b29d;border-radius:50%}.state-dot.learned,.state-dot.familiar{background:#748463;border-color:#748463}.state-dot.seen{background:#d6c59b}.state-dot.familiar{box-shadow:0 0 0 3px #74846320}.empty{padding:50px 0;text-align:center;color:var(--muted)}
.fullscreen{padding-bottom:32px}.screen-bar{display:flex;gap:8px;align-items:center;justify-content:space-between;min-height:68px}.screen-bar .eyebrow{font-size:9px}.screen-bar .text-button{font-size:13px}.full-word-card{background:var(--paper);border:1px solid #ded4bf;border-radius:5px;overflow:hidden;margin-bottom:20px}.m2 .stage{width:100%;aspect-ratio:4/3;height:auto;border:0;display:block}.m2 .stage-mount{width:100%;height:100%}.m2 .plate-number{font-size:8px;letter-spacing:.1em}.m2 .replay-hint{font-size:9px}.word-copy{padding:19px}.word-title{display:flex;justify-content:space-between;align-items:center;gap:12px}.word-title h1{font:48px/1.1 Cormorant,Georgia,serif;margin:0;overflow-wrap:anywhere}.phonetic-row{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:12px;color:var(--muted);margin:10px 0 14px}.word-meaning{font-size:19px;line-height:1.5}.definition{font:18px/1.45 Cormorant,Georgia,serif;color:#73765f}.example-block{border-left:2px solid #b6b99b;padding-left:15px;margin:22px 0}.example-block p[lang=en]{font:23px/1.4 Cormorant,Georgia,serif}.example-block .muted{font-size:12px}.example-block .text-button{font-size:11px;min-height:36px}.example-block svg{width:16px;height:16px}.word-detail{border-top:1px solid #e1d9c5;padding:17px 0;font-size:14px}.word-detail summary{font-size:13px}.word-detail p,.word-detail blockquote{margin:12px 0}.word-detail [lang=en]{font:22px/1.5 Cormorant,Georgia,serif}.word-detail blockquote{padding-left:14px;border-left:2px solid #cbbd9f}.chip{display:inline-block;border:1px solid #d9d2bd;border-radius:3px;padding:3px 7px;font-size:10px;color:#77816c;line-height:1.5;margin:0 5px 5px 0}.skill-tags{padding:12px 0 18px}.skill-tags .caption{font-size:10px}.word-actions{display:flex;gap:10px}.word-actions>*{flex:1;font-size:12px;padding:10px}.pc-reading-paper{position:absolute;left:55px;top:22px;width:290px;height:184px;transform-origin:50% 100%;padding:22px 24px;background:linear-gradient(90deg,#faf3dd 48%,#dcd0b2 50%,#faf5e5 52%);border:1px solid #d2c2a2;box-shadow:1px 6px 8px #5a4b2e15;border-radius:5px 20px 3px 5px;display:flex;flex-direction:column;justify-content:center;gap:12px;backface-visibility:hidden}.pc-reading-heading{font:8px sans-serif;letter-spacing:2px;text-align:center;color:#9a8969}.pc-reading-text{font:18px/1.4 Cormorant,Georgia,serif;color:#61563f;text-align:left}.m2 .pc-reading-text mark{border:1.5px solid #9a7148;border-radius:50%;padding:1px 3px;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.practice-due{display:flex;align-items:center;gap:20px}.practice-due .bunny{width:90px;height:110px}.practice-due h2{font:38px Cormorant,Georgia,serif}.practice-due h2 small{font:13px sans-serif;margin-left:8px;color:var(--muted)}.practice-types{margin:26px 0}.practice-type{display:flex;align-items:center;gap:18px;width:100%;text-align:left;background:transparent;padding:22px 0;border-bottom:1px solid #d8cfb9!important}.practice-type h2{margin:0 0 4px}.practice-type p{margin:0}.practice-type>svg{margin-left:auto}.type-num{font:27px Cormorant,Georgia,serif;color:#aaa28b}.session-meter{height:3px;background:#ded7c2}.session-meter i{height:100%;background:var(--green);display:block;transition:width .4s}.question-area{padding:30px 0 10px}.question-area h1{font-size:24px;margin-bottom:25px}.question-meaning{font-family:'Songti SC',serif;font-size:30px;padding:15px 0 30px}.question-sentence{font:26px/1.5 Cormorant,Georgia,serif;margin:25px 0!important}.choices{display:grid;gap:12px}.choice{display:flex;gap:17px;align-items:center;width:100%;padding:17px;text-align:left;background:var(--paper);border:1px solid #d7ccb5!important;border-radius:4px;font:26px Cormorant,Georgia,serif!important;min-height:66px}.choice-letter{border:1px solid #d4c9b0;border-radius:50%;width:26px;height:26px;display:grid;place-items:center;font:11px sans-serif;color:var(--muted)}.m2 .choice:disabled{opacity:1;color:#7d7b6c}.m2 .choice.is-correct{background:#e3ead9;border-color:#83926f!important;color:#3e5339}.m2 .choice.is-wrong{background:#f1e2d8;border-color:#b58b70!important}.listen-question{margin:10px auto 26px;display:flex;flex-direction:column;gap:10px;align-items:center;background:#e7e8d6;border:1px solid #c7c9ae!important;border-radius:50%;width:130px;height:130px;justify-content:center;font-size:12px}.listen-question svg{width:36px;height:36px}.question-stage{margin:0 0 22px;border:1px solid #ded5c2;border-radius:4px;overflow:hidden}#spelling-form{display:grid;gap:14px}#spelling-form input{font-size:25px;padding:16px;font-family:Georgia,serif}.feedback{display:flex;align-items:center;gap:15px;padding:16px 0}.feedback .bunny{width:60px;height:75px}.feedback p{font-size:15px;margin:0}.feedback.correct .bunny{animation:cheer .55s ease 2}.session-book{margin-top:20px;text-align:center}.session-book .popbook{height:140px;transform:scale(.8);margin-top:-10px;margin-bottom:-10px}.session-book .caption{font-size:10px}.explanation{background:var(--paper);padding:22px;border:1px solid #ddd1b9;border-radius:4px;margin:20px 0}.explanation>.bunny{float:right;width:62px;height:75px}.explanation section+section{border-top:1px solid #e0d5bd;padding-top:18px;margin-top:18px}.explanation h2{font-size:17px}.explanation p{font-size:14px;overflow-wrap:anywhere}.explanation .english{font-size:20px}.session-finish{text-align:center;padding-top:25px}.session-finish>.bunny{width:140px;height:150px}.session-finish .page-heading{padding-top:12px}.session-finish h1{font-size:26px}.session-finish>p{font-size:13px}.speaking audio{width:100%;margin-top:20px}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:#d9d0bc;border:1px solid #d9d0bc}.stats-grid>div{background:var(--canvas);padding:21px;display:flex;flex-direction:column;align-items:center;gap:6px}.stats-grid strong{font:36px Cormorant,Georgia,serif}.stats-grid span{font-size:11px;color:var(--muted)}.xp-count{text-align:center;font-size:12px;letter-spacing:.08em;padding:18px 0}.xp-count strong{font-size:17px;color:var(--green);margin-left:8px}.reward-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.reward{border:1px solid #d7cbb0;padding:10px 4px;text-align:center;background:#f4efdf;border-radius:36px 36px 5px 5px;min-height:120px;display:flex;align-items:center;justify-content:center;flex-direction:column}.reward img{height:75px;max-width:100%;object-fit:contain}.reward svg{width:40px;height:50px;color:#a29674}.reward p{font-size:10px;margin:10px 0 0}.reward.locked{opacity:.4;border-style:dashed}.collection-shelf{display:grid;grid-template-columns:repeat(12,1fr);gap:3px;margin-top:24px}.collection-shelf span{height:42px;display:grid;place-items:center;background:#e3ddcc;border:1px solid #d7cfb7;border-radius:3px 3px 0 0;font:10px Georgia,serif;color:#aaa38e}.collection-shelf .lit{background:#bec7aa;color:#4d5d3f}.collection>.caption:last-child{margin:14px 0 0}.backup-panel{display:grid;gap:12px}.import-label{position:relative;overflow:hidden;cursor:pointer}.import-label input{position:absolute;inset:0;opacity:0;cursor:pointer}.danger{color:#98765d}.offline-status{font-size:11px;margin-top:20px!important}
.onboarding{text-align:center;padding:35px 0 20px;min-height:calc(100dvh - 110px);display:flex;flex-direction:column;align-items:center}.onboarding .eyebrow{font-size:9px}.onboard-art{position:relative;height:280px;width:100%;margin:25px 0 10px;display:grid;align-items:end;background:radial-gradient(ellipse,#d9ddb77d,transparent 65%)}.onboard-art>.popbook{transform:scale(1.1);margin-bottom:15px}.onboard-art>.bunny{position:absolute;width:115px;height:150px;right:8%;bottom:25px;animation:float-in 1.5s ease both}.onboard-0 .rising-page{animation:page-open 1.2s ease both;animation-delay:calc(var(--i)*120ms)}.onboard-1{background:radial-gradient(ellipse,#e7d7b77d,transparent 65%)}.onboard-2{background:radial-gradient(ellipse,#ccd7d27d,transparent 65%)}.page-number{font:13px Georgia,serif;letter-spacing:.2em;color:var(--gold);margin-bottom:16px!important}.onboarding h1{font-size:29px;line-height:1.5;max-width:320px}.intro-copy{font-size:14px;color:var(--muted);max-width:280px;margin:0 auto!important}.onboard-dots{display:flex;justify-content:center;gap:10px;margin:30px 0}.onboard-dots span{width:5px;height:5px;background:#c7bea6;border-radius:50%}.onboard-dots .active{background:var(--green);width:18px;border-radius:5px}.onboarding>.primary{margin-top:auto;justify-content:space-between}.plan-onboarding>.bunny{width:110px;height:125px}.plan-onboarding .page-heading{padding:20px 0}.plan-onboarding h1{font-size:26px}.plan-onboarding .form-stack{text-align:left;width:100%;margin-top:20px}.plan-onboarding .muted{font-size:13px}.loading-story{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100dvh;padding:25px;text-align:center}.loading-story .bunny{width:150px;height:180px;animation:float-in 1s ease both}.loading-story p{font-size:14px;color:var(--muted);margin:25px 0}.loading-pages{display:flex;gap:5px}.loading-pages i{display:block;width:28px;height:40px;background:#e1d1a8;border-radius:8px 8px 0 0;transform-origin:bottom;animation:page-open 2s ease infinite}.loading-pages i:nth-child(2){animation-delay:.3s}.loading-pages i:nth-child(3){animation-delay:.6s}
#toast{position:fixed;z-index:100;bottom:110px;left:50%;transform:translate(-50%,20px);max-width:calc(100% - 40px);width:max-content;padding:12px 20px;border-radius:5px;background:#3e4838;color:#fff9eb;font-size:13px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;box-shadow:0 5px 20px #32312626}#toast.show{opacity:1;transform:translate(-50%,0)}#share-dialog{border:1px solid #d1c5ac;border-radius:8px;background:var(--paper);color:var(--ink);padding:18px;max-width:440px;width:calc(100% - 30px);max-height:90dvh}#share-dialog::backdrop{background:#30332788;backdrop-filter:blur(3px)}#share-dialog img{display:block;width:100%;max-height:60dvh;object-fit:contain}#share-dialog .screen-bar{min-height:45px;margin-bottom:12px}#share-dialog h2{font-size:18px;margin:0}#share-dialog .caption{margin:12px 0}.reduce-motion *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
@keyframes page-open{0%{transform:rotateX(85deg)}50%,100%{transform:rotateX(10deg)}}@keyframes float-in{from{transform:translateY(14px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes cheer{50%{transform:translateY(-7px) rotate(4deg)}}
@media(min-width:700px){.app-shell{border-left:1px solid #e2d8c3;border-right:1px solid #e2d8c3;padding-left:42px;padding-right:42px}.m2{background:radial-gradient(ellipse at top,#f8f2e7,#e8dfc9)}.tabbar{border-left:1px solid #ded4bd;border-right:1px solid #ded4bd}.onboard-art{height:330px}.onboarding h1{max-width:none}.word-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.hero-bunny{right:5px;width:180px;height:200px}}
@media(max-width:360px){.app-shell{padding-left:16px;padding-right:16px}.m2 h1{font-size:25px}.paper{padding:17px}.hero-bunny{right:-23px;width:140px;opacity:.9}.hero-copy{width:80%}.hero h2{font-size:25px}.plan-panel summary span{float:none;display:block;margin-top:5px}.onboard-art{height:220px;margin-top:8px}.onboarding{padding-top:20px}.onboarding h1{font-size:26px}.onboard-dots{margin:20px 0}.word-title h1{font-size:40px}.chapter-row{gap:10px}.choice{min-height:58px}.level-route{gap:4px}.word-copy{padding:15px}.word-meaning{font-size:17px}.example-block{margin:15px 0}}
@media(prefers-reduced-motion:reduce){.m2 *{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
/* The first onboarding page opens a real hinged cover over the paper leaves. */
.onboard-cover{position:absolute;left:calc(50% - 122px);bottom:45px;width:244px;height:145px;z-index:12;transform-origin:left center;transform:perspective(650px) rotateY(-115deg);animation:cover-open 2.2s ease both;border:1px solid #788264;border-left:7px solid #697359;border-radius:3px 10px 10px 3px;background:linear-gradient(135deg,#6e7c60,#485a43);color:#f6edd6;box-shadow:3px 8px 12px #52492f25;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;pointer-events:none}.onboard-cover span{font:12px Georgia,serif;letter-spacing:.08em}.onboard-cover strong{font:23px 'Songti SC',serif;border-top:1px solid #c2be9d88;padding-top:14px}@keyframes cover-open{0%,15%{transform:perspective(650px) rotateY(0)}100%{transform:perspective(650px) rotateY(-115deg)}}
/* Focus remains visible against paper; native keyboard navigation is supported. */
.m2 :focus-visible{outline:2px solid #7c6541;outline-offset:4px}.tabbar a[aria-current=page]{color:var(--green)}
/* M2 round 2: compact chapter, honest paper sources, opaque onboarding art. */
.word-grid{display:block}.word-tile{display:grid;grid-template-columns:56px minmax(0,1fr) 12px;align-items:center;gap:12px;min-height:66px;padding:9px 4px;border:0;border-bottom:1px solid #ded4bf;background:transparent;border-radius:0}.word-tile>img{width:56px;height:42px;object-fit:cover;border-radius:3px}.word-tile strong{font-size:22px;margin:0;display:block}.word-tile .tile-meaning{display:block;font-size:12px}.word-section{border-top:1px solid #d5c9ad;padding:12px 0}.word-section summary{font-size:13px;min-height:36px;cursor:pointer;line-height:1.8}.pc-example-paper{background:#fffdf7;border-color:#d8d3c7}.pc-reading-paper{height:auto;min-height:184px;max-height:235px;top:5px;padding:15px 18px;gap:8px}.pc-reading-text{line-height:1.2;overflow-wrap:anywhere}.onboard-art .bunny,.onboard-art .book-bunny{opacity:1!important;animation:none!important}.held-book{position:absolute;width:78px;right:calc(8% + 18px);bottom:38px;z-index:15}.passage-translation{font-size:14px;line-height:1.8;border-top:1px solid #ded4bf;padding-top:14px}.reading-word{display:inline;padding:4px 0;scroll-margin-top:80px}.level-route small{font-size:12px}
.static-still{width:100%;height:auto;display:block}.static-word audio{width:100%;margin:10px 0}.static-word h2{font-size:16px}
.explore-links{display:flex;gap:12px;margin-bottom:24px}.explore-links>*{flex:1}.star-grid{display:grid;grid-template-columns:repeat(10,minmax(0,1fr));gap:2px;padding:16px 0 30px;background:radial-gradient(ellipse,#efe4cd,transparent)}.word-star{display:grid;place-items:center;min-height:32px;color:#c1b59d;font-size:18px;border-radius:50%}.word-star.lit{color:#355c43;background:#fff8df;text-shadow:0 0 6px #bcb353}.word-star:focus-visible{outline:2px solid #355c43}.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.topic-card{text-align:left;margin:0;padding:16px;min-width:0}.topic-card h2{font-size:20px}.topic-card p{font-size:13px}
.pc-diagram{position:absolute;left:0;top:0;width:400px;height:260px;transform:translateZ(8px);backface-visibility:hidden}.pc-diagram svg{display:block;width:100%;height:100%;overflow:visible}

/* UX round 2: one cover, one setup sheet, no intermediate selling pages. */
.single-onboarding{min-height:calc(100dvh - 100px);padding:8px 0 0;justify-content:flex-end}
.single-onboarding .onboard-art{height:155px;margin:0;flex:1;min-height:135px;max-height:235px;overflow:hidden}
.single-onboarding .onboard-art>.popbook{transform:scale(.76);margin-bottom:-20px}
.single-onboarding .onboard-cover{width:180px;height:108px;left:calc(50% - 90px);bottom:8px}
.single-onboarding .onboard-cover strong{font-size:18px}
.setup-sheet{width:100%;text-align:left;border-radius:22px 22px 5px 5px;margin:0;padding:20px;animation:setup-rise .6s 1s both}
.setup-sheet h1{font-size:23px;max-width:none}.setup-sheet .form-stack{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.setup-sheet form>button{grid-column:1/-1}.setup-sheet label{font-size:12px}
@keyframes setup-rise{from{transform:translateY(25px);opacity:0}to{transform:none;opacity:1}}
.context-tip{display:block!important;width:fit-content;max-width:100%;text-align:left;font:12px/1.7 inherit!important;padding:10px 14px!important;margin:8px 0 14px;border:1px solid #c8b78c!important;border-radius:3px 14px 14px 14px;background:#f5eccf;color:var(--ink);box-shadow:2px 3px 0 #a28e6420;position:relative;z-index:2}
.today-thumbs{display:flex;gap:10px;overflow-x:auto;padding-top:18px;position:relative;z-index:1}.today-thumbs a{flex:0 0 80px;text-align:center;font-size:14px}.today-thumbs img{display:block;width:80px;height:60px;object-fit:cover;border-radius:4px;border:1px solid #ccbea2}.today-thumbs span{display:block;overflow-wrap:anywhere;margin-top:4px}
.daily-counts{gap:24px}.daily-counts strong{font-size:37px}.hero-copy{width:85%}.hero-bunny{opacity:.75}.resume-note{position:relative;z-index:1;font-size:14px;color:var(--green)}
.word-title{flex-wrap:wrap}.word-title h1{flex:1;min-width:120px}.word-extra h2{font-size:16px}.recall-cover{padding:40px 22px;text-align:center;background:var(--paper);border:1px dashed var(--gold);border-radius:6px}.recall-cover h1{font-size:44px}.recall-cover .primary{margin-top:24px}.slow-audio{display:block;margin:0 auto 20px}.listen-question{margin-bottom:8px}
.forecast-bars{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:8px;height:135px;align-items:end}.forecast-day{display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:5px;font-size:12px}.forecast-day i{display:block;background:var(--green);width:75%;border-radius:3px 3px 0 0;min-height:3px}.forecast-day small{font-size:10px;white-space:nowrap}
.activity-heatmap{display:grid;grid-template-rows:repeat(7,1fr);grid-auto-flow:column;grid-template-columns:repeat(20,minmax(0,1fr));gap:3px}.heat-day{aspect-ratio:1;display:block;background:#e8e0ce;border-radius:2px}.heat-day[data-intensity="1"]{background:#c5cdb0}.heat-day[data-intensity="2"]{background:#9eaf89}.heat-day[data-intensity="3"]{background:#788f62}.heat-day[data-intensity="4"]{background:#4e6842}.heat-day.future{opacity:.2}
/* Selectors address explicitly English content only, never the UI language root. */
.m2{--english-font:Cormorant,Georgia,serif}.m2 [lang="en"],.m2 [lang="en-US"],.m2 .english,.m2 #answer{font-family:var(--english-font)!important}.m2 .english{color:inherit}
html[data-english-font="sans"] .m2{--english-font:-apple-system,BlinkMacSystemFont,Arial,sans-serif}
html[data-english-font="classic"] .m2{--english-font:'Palatino Linotype',Palatino,'Book Antiqua',serif}
/* The OS preference is read only after the explicit 'system' selection. */
html[data-theme="dark"]{color-scheme:dark}
html[data-theme="dark"]{background:#0f1a3a}
/* The default theme since 11-04: playalice.com's watercolour night sky behind every page, cards as translucent night paper. */
html[data-theme="dark"] .m2{--canvas:#14223fcc;--paper:#1a2a48d9;--ink:#f1e9d8;--muted:#b9bcc4;--green:#b5c79c;--gold:#e1c07f;background:transparent}
html[data-theme="dark"] body.m2::before{content:'';position:fixed;inset:0;z-index:-1;background:#0f1a3a url('./assets/intro/night.webp') center/cover no-repeat}
html[data-theme="dark"] .m2 :is(.paper,.full-word-card,.word-tile,.hero,.tabbar,.setup-sheet,.explanation,.choice){backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
html[data-theme="dark"] .m2 .top-brand{border-color:#f1e9d833!important}
html[data-theme="dark"] .m2 :is(.paper,.full-word-card,.word-tile,.word-section,.top-brand,.tabbar,.choice,.secondary,.screen-bar,.filter-panel,.stats-grid,.round-button){border-color:#53616a!important}
html[data-theme="dark"] .m2 :is(.hero,.tabbar,.filter-panel,.reward,.listen-question,.setup-sheet){background:var(--paper)}
html[data-theme="dark"] .m2 :is(input:not([type=checkbox]),select){background:#182b3a;border-color:#68747a;color:var(--ink)}
html[data-theme="dark"] .m2 .primary{color:#192c24;background:var(--green)}
html[data-theme="dark"] .m2 :is(.secondary:hover,.context-tip,.notice){background:#354555;color:var(--ink)}
html[data-theme="dark"] .m2 :is(.definition,.chip,.choice:disabled){color:var(--ink)}
html[data-theme="dark"] .m2 .bunny{mix-blend-mode:normal}
html[data-theme="dark"] .m2 .choice.is-correct{background:#365342;color:#f0ecd9}
html[data-theme="dark"] .m2 .choice.is-wrong{background:#634b43;color:#f0ecd9}
html[data-theme="dark"] .m2 .heat-day[data-intensity="0"]{background:#384b59}
html[data-theme="dark"] .m2 .star-grid{background:radial-gradient(ellipse,#2e4353,transparent)}
html[data-theme="dark"] .m2 .word-star.lit{color:#e0cf91;background:#354b57}
@media(min-width:1100px){
 .app-shell{width:min(100%,1120px);padding:0 40px 48px;display:grid;grid-template-columns:1fr 440px;align-content:start;gap:0 24px;border:0}
 .top-brand{grid-row:1;grid-column:1;height:82px;margin-bottom:12px}
 .tabbar{grid-column:2;grid-row:1;position:static;transform:none;width:auto;height:82px;padding:12px 0;border:0;border-bottom:1px solid #d6cdb8;backdrop-filter:none;background:transparent}
 .tabbar a{flex-direction:row;font-size:13px;gap:8px}.tabbar .active:after{display:none}.app-shell>main{grid-column:1/-1;min-width:0}
 .page-heading{padding-top:24px}.app-shell.fullscreen{grid-template-columns:1fr}.fullscreen .top-brand{grid-column:1}
 #app[data-route="/today"] main{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0 30px;align-items:start}
 #app[data-route="/today"] main>.page-heading{grid-column:1/-1}#app[data-route="/today"] .hero{grid-column:1;grid-row:2 / span 2}#app[data-route="/today"] .progress-section{grid-column:2;grid-row:2}#app[data-route="/today"] .streak-panel{grid-column:2;grid-row:3}#app[data-route="/today"] .plan-panel{grid-column:1}#app[data-route="/today"] .offline-status{grid-column:1/-1}
 .chapter-map{display:grid;grid-template-columns:1fr 1fr;column-gap:50px}.chapter-map:before{display:none}
 .filter-grid{grid-template-columns:repeat(5,minmax(0,1fr))}.word-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.word-tile{grid-template-columns:48px minmax(0,1fr) 8px;gap:8px}.word-tile>img{width:48px;height:36px}
 .full-word-card{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start}.full-word-card>.recall-cover{grid-column:1/-1}.full-word-card>#word-stage{position:sticky;top:24px}.word-copy{padding:26px}.word-actions{max-width:600px;margin:auto}
 .practice-types{display:grid;grid-template-columns:1fr 1fr;column-gap:40px}.practice-due{max-width:600px}.question-area,.session-book,.session-meter,.session-phase{max-width:720px;margin-left:auto;margin-right:auto}.screen-bar{max-width:100%;margin:auto}.session-meter{width:100%}
 #app[data-route="/me"] main{display:grid;grid-template-columns:1fr 1fr;gap:0 30px;align-items:start}#app[data-route="/me"] main>.page-heading,#app[data-route="/me"] main>.stats-grid{grid-column:1/-1}.stats-grid{grid-template-columns:repeat(4,1fr)}#app[data-route="/me"] .xp-count{grid-column:1/-1}.forecast{grid-column:1}.activity{grid-column:2}
 .topic-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.star-grid{grid-template-columns:repeat(20,minmax(0,1fr))}
 .single-onboarding{max-width:520px;margin:auto}.single-onboarding .onboard-art{flex:none;height:210px}.setup-sheet{padding:24px}
}
.route-pick,.level-pick{grid-column:1/-1;border:0;padding:0;margin:0;text-align:left}.route-pick legend,.level-pick legend{font-size:12px;color:var(--muted);margin-bottom:8px}.route-pick{display:grid;grid-template-columns:1fr 1fr;gap:10px}.route-card{position:relative;display:block;border:1px solid #d8cdb4;border-radius:5px;padding:13px 14px;background:var(--canvas);cursor:pointer}.route-card input{position:absolute;opacity:0}.route-card strong{display:block;font-size:15px;margin-bottom:4px}.route-card small{display:block;font-size:11px;line-height:1.6;color:var(--muted)}.route-card:has(input:checked){border-color:var(--green);box-shadow:inset 0 0 0 1px var(--green);background:var(--paper)}.route-card:has(input:focus-visible){outline:2px solid #9c7242;outline-offset:3px}
.level-chips{display:grid;grid-template-columns:repeat(6,1fr);gap:6px}.level-chip{position:relative;display:grid;gap:3px;justify-items:center;padding:10px 0;border:1px solid #d9cfb9;border-radius:35px;background:var(--paper);cursor:pointer}.level-chip input{position:absolute;opacity:0}.level-chip strong{font:19px Georgia,serif}.level-chip small{font-size:9px;color:var(--muted)}.level-chip:has(input:checked){background:var(--green);border-color:var(--green);color:var(--paper)}.level-chip:has(input:checked) small{color:#e6e4d2}.level-chip:has(input:focus-visible){outline:2px solid #9c7242;outline-offset:3px}.level-help{margin:8px 0 0}
.route-line{font-size:13px;color:var(--muted);margin:4px 0 12px}.later-tag{align-self:flex-start;font-size:10px;color:#8a7549;border:1px dashed #c9b27b;border-radius:10px;padding:1px 7px;margin-top:6px}.more-sections{margin:10px 2px 18px}.later-section summary{color:#8a7549}
@media(max-width:360px){.route-pick{grid-template-columns:1fr}.level-chips{gap:3px}}
.hero h2,.route-line{padding-right:96px}@media(min-width:700px){.hero h2,.route-line{padding-right:150px}}
.reader-cover{text-align:center}.reader-cover .popbook{margin-bottom:6px}.reader-cover h1{margin:6px 0 2px}.reader-meta{font-size:12px;color:var(--muted)}.reader-cover-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:14px 0}.reader-progress{margin:8px auto 0;max-width:240px}
.reader-bar{position:sticky;top:0;z-index:5;display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding:12px 14px}.reader-modes,.reader-transport{display:flex;gap:6px;align-items:center}.reader-modes button{min-height:38px;padding:6px 14px}.reader-bar label{font-size:11px;display:flex;gap:6px;align-items:center}.reader-bar select{font-size:12px;padding:5px;min-height:34px}.reader-transport .round-button{width:38px;height:38px;padding:8px}.reader-transport [data-action="read-next"] svg{transform:none}
.reader-text{font:21px/1.75 var(--english-font,Cormorant),Georgia,serif;padding:8px 2px 60px}.read-passage{margin:0 0 22px}.read-passage>p{margin:0}.read-sentence{border-radius:3px;transition:background .25s;cursor:pointer}.read-sentence.current{background:#e9dcae80;box-shadow:0 0 0 3px #e9dcae80}.read-sentence .speaking{text-decoration:underline 2px #8a6c34;text-underline-offset:4px}.reader-text .reading-word{font:inherit;color:inherit;background:none;border:0;padding:0;border-bottom:1px solid #8e9b79;cursor:pointer}.reader-text .reading-word.unlearned{border-bottom:1px dashed #b38f3d;background:#d9ba6a26}.read-zh{font:14px/1.8 system-ui,sans-serif;color:var(--muted);margin:8px 0 0!important}
.book-mode{font-size:22px;line-height:1.85}.book-mode .read-passage:first-child>p:first-child::first-letter{float:left;font-size:4.2em;line-height:.8;padding:6px 8px 0 0;color:#6d5a33}.book-mode .read-sentence.current{background:none;box-shadow:none;border-bottom:1px solid #c9b27b}
#word-sheet .word-sheet{position:fixed;left:50%;bottom:calc(84px + env(safe-area-inset-bottom));transform:translateX(-50%);width:min(560px,calc(100% - 24px));z-index:40;box-shadow:0 10px 40px #403f3130}.word-sheet h2{font:30px Cormorant,Georgia,serif;margin:0}.sheet-actions{display:flex;flex-wrap:wrap;gap:8px}.reader-link{margin-top:6px}
html[data-theme="dark"] .m2 .read-sentence.current{background:#3b4f5e;box-shadow:0 0 0 3px #3b4f5e}html[data-theme="dark"] .m2 .reader-text .reading-word.unlearned{background:#5a4b2a55;border-bottom-color:#d3b47f}html[data-theme="dark"] .m2 .book-mode .read-passage:first-child>p:first-child::first-letter{color:var(--gold)}
.reader-bar label{white-space:nowrap}.reader-bar .switch-label{min-height:34px}
@media(min-width:1100px){.reader-text{max-width:720px;margin:0 auto;font-size:23px}.reader-bar{max-width:760px;margin-left:auto;margin-right:auto}.reader-cover{max-width:760px;margin-left:auto;margin-right:auto}}
.pc-reading-word{font:34px/1 Cormorant,Georgia,serif;text-align:center;color:#3f3826;letter-spacing:.01em}
.chapter-tabs{display:flex;flex-wrap:wrap;gap:6px;margin:4px 0 14px}.chapter-tabs a{min-width:38px;text-align:center;padding:6px 8px;border:1px solid #d9d2bd;border-radius:4px;font-size:12px;color:var(--muted);text-decoration:none}.chapter-tabs a.active{background:var(--ink,#3f3826);color:var(--paper,#fbf6e9);border-color:transparent}
.collection-shelf span.mastered{outline:2px solid #c99a4a}
html[data-theme="dark"] .m2 .stats-grid{background:#f1e9d82e;border-color:#f1e9d82e}html[data-theme="dark"] .m2 .stats-grid>div{background:#16264a}
/* Plan card (11-04): one centred card over the night sky with the planet blurred behind, as on playalice.com. */
.app-shell:has(.welcome){width:100%;max-width:none;padding:0 0 32px}.app-shell:has(.welcome) .top-brand{width:min(100% - 48px,1100px);margin:auto}
.welcome{position:relative;display:grid;justify-items:center;padding:18px 14px 10px}
.welcome-bg{position:fixed;inset:0;z-index:-1;pointer-events:none;background:url('./assets/intro/planet.webp') right -6vw bottom -12vh/min(52vw,760px) auto no-repeat;opacity:.2;filter:blur(4px) saturate(.7)}
.welcome-card{position:relative;width:min(100%,560px);border-radius:22px;overflow:hidden;background:#13213fe8;border:1px solid #f1e9d826;box-shadow:0 30px 80px #02061899;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);color:#f1e9d8}
.welcome-banner{display:block;width:100%;height:auto;aspect-ratio:21/9;object-fit:cover;object-position:50% 70%;-webkit-mask-image:linear-gradient(#000 70%,transparent);mask-image:linear-gradient(#000 72%,transparent);margin-bottom:-14px}
.welcome-body{position:relative;padding:4px 26px 26px}
.welcome .eyebrow{color:#e1c07f;letter-spacing:.14em;text-shadow:0 1px 8px #0b1530}
.m2 .welcome h1{font:600 clamp(30px,8vw,42px)/1.22 'Songti SC','Noto Serif CJK SC',serif;margin:6px 0 22px;color:#fff7e6;letter-spacing:.01em}
.welcome .form-stack{gap:22px}
.welcome .route-pick,.welcome .level-pick,.welcome .daily-pick{color:#f1e9d8}
.welcome .route-pick legend,.welcome .level-pick legend,.welcome .daily-pick legend,.welcome .form-stack label{color:#d8d3c8;font-size:13px}
.welcome .route-card{background:#0f1b36aa;border-color:#f1e9d833}
.welcome .route-card:has(input:checked){background:#f1e9d814;border-color:#e1c07f;box-shadow:inset 0 0 0 1px #e1c07f}
.welcome .level-chips{grid-template-columns:repeat(2,1fr);gap:8px}
.welcome .level-chip{justify-items:start;text-align:left;border-radius:12px;padding:12px 14px;gap:2px;background:#0f1b36aa;border-color:#f1e9d833;grid-template-columns:auto 1fr;column-gap:10px}
.welcome .level-chip strong{grid-row:span 2;align-self:center;font:13px/1 ui-monospace,Menlo,monospace;padding:5px 7px;border-radius:6px;background:#f1e9d81f;color:#f1e9d8}
.welcome .level-chip b{font-size:15px;font-weight:600;color:#fff7e6}
.welcome .level-chip em{font-style:normal;font-size:11px;color:#b9bcc4;grid-column:2}
.welcome .level-chip small{grid-column:2;font-size:10px;color:#e1c07f}
.welcome .level-chip:has(input:checked){background:#f1e9d81a;border-color:#e1c07f;color:inherit;box-shadow:inset 0 0 0 1px #e1c07f}
.welcome .level-chip:has(input:checked) small{color:#e1c07f}
.welcome-row{display:grid;grid-template-columns:1.5fr 1fr;gap:12px}
.exam-line{display:flex;gap:8px}.exam-line input{flex:1}
.m2 .chip-button{flex:none;border:1px solid #f1e9d840;border-radius:999px;background:transparent;color:#f1e9d8;padding:0 14px;font-size:12px;min-height:46px}
.m2 .chip-button[aria-pressed=true]{background:#f1e9d81f;border-color:#e1c07f}
.daily-pick{border:0;padding:0;margin:0;display:grid;gap:10px}.daily-pick legend{margin-bottom:8px}
.daily-chips{display:grid;grid-template-columns:repeat(6,1fr);gap:4px;padding:4px;border-radius:999px;background:#0f1b36aa;border:1px solid #f1e9d826}
.daily-chips label{position:relative;display:block}.daily-chips input{position:absolute;opacity:0}
.daily-chips span{display:grid;place-items:center;min-height:40px;border-radius:999px;font-size:14px;color:#d8d3c8;cursor:pointer}
.daily-chips input:checked+span{background:#f1e9d826;color:#fff7e6;font-weight:600}
.daily-chips input:focus-visible+span{outline:2px solid #e1c07f;outline-offset:2px}
.daily-pick .caption{margin:0}
html .m2 .welcome .primary{background:#f6eedc;color:#1b2547;min-height:54px;border-radius:12px;font-size:16px;justify-content:center}
html .m2 .welcome .primary:hover{background:#fff8e8}
.welcome-note{text-align:center;margin:-6px 0 0!important}
@media(max-width:420px){.welcome{padding:10px 8px}.welcome-body{padding:0 18px 22px}.welcome-row{grid-template-columns:1fr}.daily-chips span{font-size:13px}}
@media(min-width:900px){.welcome{padding-top:34px}.welcome-card{width:560px}}
html[data-theme="paper"] .welcome-card{background:#13213ff2}
#app #main:has(>.welcome){display:block}
.top-brand>span{display:inline-flex;align-items:center;gap:10px}.m2 .music-toggle{display:grid;place-items:center;width:34px;height:34px;padding:0;border:1px solid #f1e9d833;border-radius:50%;background:transparent;color:var(--muted)}.m2 .music-toggle svg{width:16px;height:16px}.m2 .music-toggle[aria-pressed=true]{color:var(--gold)}.music-now{display:flex;justify-content:space-between;align-items:center;margin:14px 0 0!important}
/* Story route: twelve chapters as one path, first and last named. */
.story-path{list-style:none;display:grid;grid-template-columns:repeat(12,1fr);gap:0;margin:8px 0 26px;padding:0;position:relative}
.story-path::before{content:'';position:absolute;left:4%;right:4%;top:13px;border-top:1px dashed color-mix(in srgb,var(--gold) 60%,transparent)}
.story-path li{position:relative;display:grid;justify-items:center}
.story-path b{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;font:600 10px/1 ui-monospace,Menlo,monospace;background:var(--paper);border:1px solid color-mix(in srgb,var(--gold) 70%,transparent);color:var(--ink);position:relative}
.story-path li:first-child b{background:var(--gold);color:#1b2547}
.story-path span{position:absolute;top:31px;white-space:nowrap;font-size:11px;color:var(--muted)}
.story-path li:first-child span{left:0}.story-path li:last-child span{right:0}
.hold-hard{margin-top:6px}.hold-levels{display:grid;gap:8px}.hold-levels[hidden]{display:none}.hold-levels>.caption{margin:0}
.welcome .story-path b{background:#0f1b36;color:#f1e9d8}.welcome .story-path li:first-child b{background:#e1c07f;color:#1b2547}
/* Today overview (11-04): path, finish line against the exam, star map by chapter, tip jar. */
.route-panel .section-head{margin-bottom:18px}
.rp-track{display:grid;grid-template-columns:repeat(6,1fr);gap:4px;position:relative}
.rp-track.story{grid-template-columns:repeat(12,minmax(44px,1fr));overflow-x:auto;padding-bottom:6px;scrollbar-width:thin}
.rp-track::before{content:'';position:absolute;left:5%;right:5%;top:22px;border-top:1px dashed color-mix(in srgb,var(--gold) 55%,transparent)}
.rp-node{position:relative;display:grid;justify-items:center;gap:3px;text-align:center;color:inherit;min-width:0}
.rp-ring{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:conic-gradient(var(--gold) calc(var(--p)*1%),color-mix(in srgb,var(--ink) 14%,transparent) 0);position:relative}
.rp-ring::before{content:'';position:absolute;inset:3px;border-radius:50%;background:var(--paper)}
.rp-ring b{position:relative;font:600 12px/1 ui-monospace,Menlo,monospace}
.rp-node strong{font-size:12px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
.rp-node small{font-size:10px;color:var(--muted)}
.rp-node em{position:absolute;top:-14px;font-style:normal;font-size:9px;letter-spacing:.06em;padding:1px 6px;border-radius:8px;background:var(--gold);color:#1b2547}
.rp-node.current .rp-ring{box-shadow:0 0 0 3px color-mix(in srgb,var(--gold) 35%,transparent),0 0 18px color-mix(in srgb,var(--gold) 45%,transparent)}
.rp-node.skip{opacity:.45}
.rp-track.story .rp-node strong{display:none}
.finish-line{display:flex;gap:8px;align-items:flex-start;margin:18px 0 0!important;font-size:13px;line-height:1.7;padding:12px 14px;border-radius:8px;background:color-mix(in srgb,var(--gold) 10%,transparent)}
.finish-line svg{width:17px;height:17px;margin-top:3px;color:var(--gold)}
.finish-line.warn{background:color-mix(in srgb,#d98b6b 16%,transparent)}
.route-panel .text-button{margin-top:6px}
.sky-row{display:grid;grid-template-columns:repeat(12,1fr);gap:2px;margin:16px 0 18px;padding:16px 6px;border-radius:10px;background:radial-gradient(ellipse at 50% 30%,#2a3d6699,transparent 75%)}
.sky-chapter{display:grid;justify-items:center;gap:4px;color:inherit}
.sky-star{font-size:calc(14px + var(--k)*16px);line-height:1;color:color-mix(in srgb,#ffe2a0 calc(25% + var(--k)*75%),#7c87a8);text-shadow:0 0 calc(var(--k)*14px) #ffd98acc}
.sky-chapter small{font-size:9px;color:var(--muted)}
.star-panel .explore-links{display:flex;gap:10px}.star-panel .explore-links a{flex:1;justify-content:space-between}
.coffee-panel{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center}
.coffee-panel img{width:132px;height:132px;border-radius:10px;background:#fff;padding:6px}
.coffee-panel h2{margin-bottom:6px}.coffee-panel .caption{margin:0 0 6px}
@media(max-width:420px){.coffee-panel{grid-template-columns:1fr;justify-items:center;text-align:center}.rp-node strong{font-size:11px}}
@media(min-width:1100px){
 #app[data-route="/today"] .hero{grid-column:1;grid-row:2}
 #app[data-route="/today"] .streak-panel{grid-column:2;grid-row:2;align-self:stretch}
 #app[data-route="/today"] .route-panel{grid-column:1/-1;grid-row:3}
 #app[data-route="/today"] .plan-panel{grid-column:1/-1;grid-row:4}
 #app[data-route="/today"] .notice{grid-column:1/-1}
}
.m2 .route-panel{padding:22px}
.support-nav{font-size:11px;letter-spacing:.04em;color:var(--muted)}@media(max-width:520px){.support-nav{display:none}}
.site-footer{margin:30px 0 0;padding:18px 0 4px;border-top:1px solid color-mix(in srgb,var(--ink) 14%,transparent);text-align:center;font-size:11px;color:var(--muted)}.site-footer a{color:inherit;text-decoration:underline;text-underline-offset:3px}
.support-panel p{font-size:14px}.support-links{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0}.support-links a{flex:1 1 180px;justify-content:center}
.support-qrs{display:flex;flex-wrap:wrap;gap:16px;margin:12px 0}.support-qr{margin:0;display:grid;gap:8px;justify-items:start}.support-qr img{width:180px;height:180px;border-radius:12px;background:#fff;padding:8px}.support-qr figcaption{display:grid;gap:2px}.support-qr span{font-size:11px;color:var(--muted)}
.static-actions{display:flex;gap:10px;margin:18px 0}.static-actions>*{flex:1}


/* 🗝️ 金钥匙 · 雅思例句：拼句本身的样式在 spellkit.css（和首页共用），这里只给单词卡的外框和颜色 */
.m2{--sk-ink:var(--ink);--sk-bright:var(--ink);--sk-soft:#6f6852;--sk-muted:var(--muted);--sk-gold:var(--gold);--sk-green:var(--green);--sk-red:#b8604c;--sk-slot:#3e443866;--sk-dash:#c9bfa8;--sk-tile:#fffaf0;--sk-tile-line:#c9bfa8;--sk-piece:#fcf8ee;--sk-chip-line:#c9bfa8}
html[data-theme="dark"] .m2{--sk-bright:#fff6dc;--sk-soft:#e8dcb8;--sk-red:#e39a86;--sk-slot:#f1e9d866;--sk-dash:#53616a;--sk-tile:#22365ae6;--sk-tile-line:#53616a;--sk-piece:#16264a;--sk-chip-line:#53616a}
.zj-hud{position:sticky;top:0;z-index:20;padding:10px 0 6px;background:linear-gradient(#0f1a3af2 70%,#0f1a3a00)}
html:not([data-theme="dark"]) .zj-hud{background:linear-gradient(var(--canvas) 70%,transparent)}
.zj-hud .sk-label{font-size:10px;font-weight:500;letter-spacing:.17em;color:var(--muted)}
.zj-hud .sk-score{font:600 20px/1 Georgia,serif;color:var(--gold)}
.zj-hud .sk-meter{height:5px;margin-top:8px}.zj-hud .sk-meter:not(.gold) i{background:var(--green)}
html:not([data-theme="dark"]) .zj-hud .sk-meter{background:#3e443818}
.zj-hud .sk-combo{font-size:10px;letter-spacing:.14em;height:14px;text-align:center}
.zj{border:1px solid #c8b78c88;border-radius:8px;padding:16px;margin:18px 0;background:#ffffff08;overflow:visible;min-width:0}
html:not([data-theme="dark"]) .zj{background:#ffffff80;border-color:#c8b78c}
.zj h2{font-size:16px;margin:0 0 4px}
.zj .zj-part{font-size:11px;color:var(--muted);margin-bottom:10px}
.zj .qzh{font:19px/1.5 "Songti SC","Noto Serif SC",serif;margin:4px 0}
.zj .slots{margin:10px 0 4px}.zj .slot,.zj .punct{font-size:22px}.zj .pen{font-size:22px}
.zj .tile{border-radius:6px;padding:7px 11px;font-size:19px;min-height:0}
.zj .placed{border-bottom-width:1px;font-size:22px}
.zj .tip{margin-top:8px;padding:9px 12px;border:1px solid #c8b78c88;border-radius:3px 12px 12px 12px;background:#354555;font-size:12px}
html:not([data-theme="dark"]) .zj .tip{background:#f3ead2;border-color:#d8c79c}
.zj .btns{gap:14px;font-size:12px;color:var(--muted)}
.zj .btn:not(.primary){background:none;border:0;color:inherit;padding:6px 2px;min-height:0;cursor:pointer}
.zj .btn[data-a="lis"]{border:1px solid var(--sk-chip-line);border-radius:20px;padding:8px 16px;font-size:14px;color:var(--ink)}
.zj .btn kbd{font:10px ui-monospace,Menlo,monospace;border:1px solid #53616a;border-radius:3px;padding:0 4px;margin-left:4px}
.zj .sk-next{padding:8px 16px}html[data-theme="dark"] .zj .sk-next{color:#192c24}
.zj .pieces{margin:14px 0 4px}
.zj .ans-zh{font:16px "Songti SC",serif;margin-top:8px}
.zj .bunny-tip img{width:52px}
.zj .start{width:100%}
.zj .gk-open{font-size:13px;color:var(--ink);text-align:center}
.zj-settings{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0;align-items:center}.zj-settings.foot{justify-content:center;margin-top:10px}
.zj-settings .sk-chip[data-sk-in],.zj-settings .sk-chip[data-sk-mode]{border:1px solid #53616a;padding:4px 11px;font-size:11px;background:none;color:var(--muted)}
.zj-settings .sk-chip.on[data-sk-in],.zj-settings .sk-chip.on[data-sk-mode]{background:var(--gold);color:#1b2547;border-color:var(--gold)}
html:not([data-theme="dark"]) .zj-settings .sk-chip:not(.on){border-color:#c9bfa8}
/* 自绘键盘弹出时，页面底部多留出键盘的高度 */
body.sk-kb-on .app-shell{padding-bottom:calc(106px + var(--kbh) + env(safe-area-inset-bottom))}
/* 一课结算 */
.zj-res .big{font:600 54px Cormorant,Georgia,serif;color:var(--gold);line-height:1;text-align:center}
.zj-res .stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#53616a;border:1px solid #53616a;border-radius:8px;overflow:hidden;margin:14px 0}
.zj-res .stats div{background:#16264a;padding:9px;text-align:center}.zj-res .stats b{display:block;font:19px Georgia,serif}.zj-res .stats span{font-size:10px;color:var(--muted)}
.zj-res .near{color:var(--gold);font-size:13px;text-align:center}
.zj-res .gift{border:1px dashed var(--gold);border-radius:10px;padding:12px;margin:12px 0;text-align:center}
.zj-res .solo{text-align:center;margin:8px 0 2px;font-size:15px}.zj-res .solo b{color:var(--gold);font-size:20px}
.zj-res{margin-bottom:18px}
html:not([data-theme="dark"]) .zj-res .stats{background:#d8ccb0;border-color:#d8ccb0}html:not([data-theme="dark"]) .zj-res .stats div{background:var(--paper)}
.one-line{display:flex;flex-wrap:wrap;align-items:baseline;column-gap:12px;row-gap:2px;margin:8px 0!important}.one-line [lang=en]{font:21px/1.35 Cormorant,Georgia,serif}.one-line .muted{font-size:14px}
.locked-hint{font-size:12px;color:var(--muted);text-align:center;margin:8px 0 0}
.word-detail .fold-sub{margin:16px 0 6px;letter-spacing:.08em}
.word-detail .form-line [lang=en]{font:20px Cormorant,Georgia,serif}
.ex-fold .example-block{margin-top:12px}.ex-fold .ex-one+.ex-one{margin-top:18px}
button[data-gk-locked]{opacity:.45}

/* 并站：回首页、爱雅思单词卡去原著的入口 */
.top-brand .home-link{margin-right:8px;color:var(--muted);text-decoration:none;font-size:18px}
.alice-link{display:block;margin:10px 0;padding:10px 12px;border:1px dashed #f2c66d66;border-radius:12px;color:var(--gold);text-decoration:none;font-size:14px}

.account-panel{margin-bottom:14px}.account-panel p{margin:0 0 6px}.account-panel .primary{margin-top:8px}
/* Phase 1: sentence notebook, result rings and account status. */
.sentence-entry{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.sentence-entry p{margin:0}
.sentence-list{display:grid;gap:14px}.sentence-card{min-width:0;margin:0;overflow-wrap:anywhere}.sentence-card p{margin:10px 0}
.sentence-english{display:block;width:100%;padding:12px 0 0;text-align:left;border:0;background:none;color:var(--ink);font:500 22px/1.5 Georgia,serif;overflow-wrap:anywhere;cursor:pointer}
.sentence-english.blurred span{filter:blur(5px);user-select:none}.sentence-english:focus-visible{outline:2px solid var(--gold);outline-offset:4px}
.sentence-next{font-size:13px;color:var(--gold)}.sentence-card .caption{font-size:12px;line-height:1.8}.sentence-review-top{margin-bottom:18px}
.sentence-question{margin-top:16px}.sentence-question .zj-part{line-height:1.8}.sentence-question [data-sentence-game]{min-width:0}
.gk-rank{text-align:center;font:700 72px/1.1 Georgia,serif;color:var(--gold);margin:16px 0 8px}.gk-thumbs{text-align:center;font-size:24px;margin:8px 0}
.gk-rings{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:24px 0}.gk-rings>div{display:flex;align-items:center;flex-direction:column;gap:9px;text-align:center;font-size:11px;line-height:1.5}
.gk-ring{display:grid;place-items:center;width:64px;height:64px;border-radius:50%;background:conic-gradient(var(--gold) calc(var(--p)*1%),color-mix(in srgb,var(--ink) 14%,transparent) 0);position:relative}
.gk-ring::before{content:'';position:absolute;inset:4px;border-radius:50%;background:var(--paper)}.gk-ring b{position:relative;font:600 19px Georgia,serif;color:var(--ink)}.gk-ring small{font-size:10px;margin-left:1px}.gk-ring.time{background:color-mix(in srgb,var(--ink) 20%,transparent)}
.zj-res>.wide+.wide{margin-top:10px}
.top-brand{position:relative}.top-brand [data-sync-corner]{position:absolute;right:0;top:100%;z-index:4;max-width:100%}
.sync-status{border:0;background:var(--paper);color:var(--muted);padding:3px 7px;border-radius:6px;font-family:inherit;font-size:10px;line-height:1.5;max-width:100%;opacity:1;transition:opacity 1s}.sync-status:disabled{opacity:1;cursor:default}.sync-status.error{color:var(--ink);cursor:pointer}.sync-status.faded{opacity:0;pointer-events:none}
@media(max-width:360px){.gk-rings{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.sentence-english{font-size:20px}}
.gk-bonus{text-align:center;font-size:13px;color:var(--muted);margin:2px 0 6px}
.gk-stars{margin:10px 0 4px;text-align:center}
.zj-settings .sk-granwrap .sk-chip[data-sk-granopen]{border:1px solid #53616a;padding:4px 11px;font-size:11px;background:none;color:var(--muted)}
html:not([data-theme="dark"]) .zj-settings .sk-chip[data-sk-granopen]{border-color:#c9bfa8}
/* 二期第 2 轮：每日循环、目标、复习本操作、生词本、路线条 */
.daily-loop{position:relative;z-index:1;margin:0 0 14px}
.welcome-back{font-size:13px;line-height:1.6;color:var(--green);background:#53634b12;border-radius:4px;padding:8px 10px;margin:0 0 10px}
.daily-steps{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.daily-steps li{display:flex;gap:10px;align-items:center;font-size:13px}
.daily-steps b{flex:none;display:grid;place-items:center;width:26px;height:26px;border-radius:50%;border:1px solid #cfc6af;font:600 12px Georgia,serif;color:var(--ink)}
.daily-steps li.done{color:var(--muted)}.daily-steps li.done b{background:var(--green);border-color:var(--green);color:var(--paper)}
.goal-line{margin:6px 0 0}.sentence-entry .goal-line{flex-basis:100%}
.sentence-entry-actions{display:flex;gap:10px;flex-wrap:wrap}
.zj-res .goal-line{text-align:center;margin:10px 0}
.review-tabs{display:flex;gap:6px;margin:0 0 16px}.review-tabs a{flex:1;text-align:center;padding:9px 6px;border:1px solid #d8d0bd;border-radius:4px;font-size:13px;color:var(--muted)}
.review-tabs a.active{border-color:var(--green);color:var(--green);font-weight:600}
.review-sort{display:flex;align-items:center;gap:10px;font-size:13px;margin:0 0 12px}.review-sort select{width:auto!important;min-height:38px!important}
.sentence-actions{display:flex;gap:18px;flex-wrap:wrap;margin-top:4px}.sentence-actions .text-button{min-height:36px;font-size:13px}
.m2 .danger{color:#b8604c}
.sentence-card.graduated,.vocab-card.graduated{opacity:.72}.chip.done{border-color:var(--green);color:var(--green)}
.vocab-list{display:grid;gap:14px}.vocab-card{margin:0}.vocab-card h2{font:30px/1.2 Cormorant,Georgia,serif;margin:0}
.word-results .sk-route,#word-results .sk-route{margin:0 0 14px}
.m2 .sk-rnode{background:var(--paper);border-color:#d8d0bd;color:var(--ink)}.m2 .sk-rnode.current{border-color:var(--gold)}
.zj-res~.sk-route,.sk-route{max-width:100%}
html[data-theme="dark"] .m2 .sk-rnode{background:#ffffff0a;border-color:#f1e9d833}
html[data-theme="dark"] .welcome-back{background:#9fd3a41a;color:#cfe5c9}
html:not([data-theme="dark"]) .m2 .sk-bg{background-image:linear-gradient(#fcf8eee0,#fcf8eeeb),var(--sk-bgimg)!important}
.gk-errs,.gk-suggest{margin:14px 0;text-align:center}.gk-errs .chip{margin:3px}.gk-errs p,.gk-suggest p{margin:6px 0}
.gk-share-img{width:100%;border-radius:6px}
.remind-kinds{border:0;padding:0;margin:0;display:grid;gap:4px}.remind-kinds legend{font-size:13px;margin-bottom:4px}
.help-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.pwa-steps{margin:8px 0;padding-left:20px;font-size:13px;line-height:1.8}
.pwa-card .text-button{min-height:36px}
/* ---- 三期④ 学习数据与坚持系统（app/habit.js） ---- */
.h-bell{position:relative;color:var(--muted);text-decoration:none}.h-bell svg{width:17px;height:17px}.h-bell b{position:absolute;top:-4px;right:-5px;min-width:16px;height:16px;padding:0 4px;border-radius:8px;background:#d9534f;color:#fff;font:600 10px/16px ui-sans-serif,system-ui;text-align:center}
.h-top{display:flex;flex-direction:column;gap:12px;margin-bottom:14px;min-width:0}.h-top:empty{display:none}
@media (min-width:1100px){#app[data-route="/today"] main>.h-top{grid-column:1/-1;grid-row:2;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 30px;align-items:start}#app[data-route="/today"] .hero{grid-row:3 / span 2}#app[data-route="/today"] .progress-section{grid-row:3}#app[data-route="/today"] .streak-panel{grid-row:4}}
.h-tiles strong{font-size:26px!important}.h-tiles>div{padding:10px 6px!important}.h-goal .h-ring{align-self:flex-start}
.h-card{padding:14px 16px}.h-card p{margin:0}.h-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:10px}
.h-goal{display:flex;gap:14px;align-items:center}.h-goal h2{font-size:17px;margin:0 0 2px}.h-ring{width:62px;height:62px;flex:none}.h-ring circle{fill:none;stroke-width:6}.h-ring .bg{stroke:color-mix(in srgb,var(--muted) 30%,transparent)}.h-ring .fg{stroke:var(--gold);stroke-linecap:round;transition:stroke-dasharray .4s}.h-ring .tick{stroke:var(--green);stroke-width:2.5}.h-offer{margin-top:8px!important}
.h-warn,.h-repair{margin:0}.h-warn .text-button{font-size:12px}
.h-weekly{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px}.h-weekly .h-row{margin:0}
.h-envelope{display:flex;align-items:center;gap:12px}.h-env{font-size:30px;animation:h-bob 2.4s ease-in-out infinite}.h-envelope p{flex:1}
@keyframes h-bob{50%{transform:translateY(-4px) rotate(-4deg)}}.reduce-motion .h-env{animation:none}
.h-tasks .section-head{display:flex;justify-content:space-between;align-items:center}.h-tasks h2{font-size:17px;margin:0}.h-task-list{list-style:none;padding:0;margin:8px 0 0;display:grid;gap:6px}.h-task-list li{display:flex;gap:10px;align-items:center;font-size:14px}.h-task-list b{display:grid;place-items:center;width:20px;height:20px;border-radius:50%;border:1px solid var(--gold);font-size:12px;flex:none}.h-task-list li.done{color:var(--muted)}.h-task-list li.done b{background:var(--gold);color:#1b2547}.h-task-list li.done span{text-decoration:line-through}
.h-links{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px;margin:12px 0}.h-links a{text-align:center;justify-content:center}
.h-seg{display:inline-flex;border:1px solid color-mix(in srgb,var(--gold) 60%,transparent);border-radius:20px;overflow:hidden;margin:4px 0 12px}.h-seg button{border:0;background:transparent;color:var(--ink);padding:6px 16px;font:inherit}.h-seg button.active{background:var(--gold);color:#1b2547}
.h-tiles{grid-template-columns:repeat(4,1fr)}@media (max-width:560px){.h-tiles{grid-template-columns:repeat(2,1fr)}}
.h-cal .section-head{display:flex;justify-content:space-between;align-items:center}.h-cal h2{font-size:16px;margin:0}
.h-cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;margin-top:10px}.h-cal-wd{text-align:center;font-size:11px;color:var(--muted)}
.h-cal-day{aspect-ratio:1;min-width:0;border:1px solid color-mix(in srgb,var(--muted) 25%,transparent);border-radius:6px;background:transparent;color:var(--ink);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:0;font-size:12px;line-height:1.1}
.h-cal-day i{font-style:normal;font-size:10px;min-height:11px;letter-spacing:-1px}.h-cal-day.lv1{background:color-mix(in srgb,var(--gold) 15%,transparent)}.h-cal-day.lv2{background:color-mix(in srgb,var(--gold) 32%,transparent)}.h-cal-day.lv3{background:color-mix(in srgb,var(--gold) 55%,transparent)}.h-cal-day.lv4{background:color-mix(in srgb,var(--gold) 80%,transparent);color:#1b2547}
.h-cal-day.today{outline:2px solid var(--green);outline-offset:1px}.h-cal-day.sel{box-shadow:0 0 0 2px var(--ink) inset}.h-cal-day.future{opacity:.35}.h-cal-detail{min-height:2.6em;margin-top:10px!important}
.h-errs ul,.h-weeks ul,.h-capsules ul,.h-inbox ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}.h-errs li{display:grid;grid-template-columns:72px 1fr 32px;gap:8px;align-items:center;font-size:14px}.h-errs i{display:block;height:10px;border-radius:5px;background:var(--gold)}.h-errs b{text-align:right}
.h-weeks a{display:flex;flex-direction:column;text-decoration:none;color:var(--ink);padding:8px 10px;border-radius:6px;border:1px solid color-mix(in srgb,var(--muted) 25%,transparent)}.h-weeks a span{font-size:13px;color:var(--muted)}
.h-inbox li{padding:10px 12px;border-radius:6px;border:1px solid color-mix(in srgb,var(--muted) 25%,transparent);display:grid;gap:2px}.h-inbox li.unread{border-color:var(--gold);background:color-mix(in srgb,var(--gold) 10%,transparent)}.h-inbox li p{margin:0}
.h-weekcard h1{font-size:24px}.h-weekcard .stats-grid{margin:14px 0}
.h-lt{text-align:center;display:grid;gap:12px;justify-items:center}.h-lt .bunny{width:110px;height:130px}.h-lt-bar{width:100%;height:6px;border-radius:3px;background:color-mix(in srgb,var(--muted) 25%,transparent);overflow:hidden}.h-lt-bar i{display:block;height:100%;background:var(--gold)}
.h-lt-word{font-size:34px;margin:4px 0}.h-lt-opts{display:grid;gap:8px;width:100%;max-width:420px}.h-lt-opts .right{border-color:var(--green);background:color-mix(in srgb,var(--green) 25%,transparent)}.h-lt-opts .wrong{border-color:#d9534f;background:#d9534f33}
.h-lt form{justify-content:center}.h-lt input{font-size:20px;padding:8px 10px;width:min(260px,70vw)}.h-lt-fb.ok{color:var(--green)}.h-lt-fb.no{color:#d9534f}.h-lt-result h2{font-size:22px}.h-lt-link{display:inline-block;margin-top:6px}
.h-capsules li{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.h-capsules li span{flex:1}.h-capsules h2+ul{margin-bottom:14px}
.h-letter{text-align:center}.h-env-open{font-size:56px}.h-letter.anim .h-env-open{animation:h-open 1.1s ease both}.h-letter.anim .h-letter-text,.h-letter.anim .h-compare{animation:h-rise .8s .7s ease both}
@keyframes h-open{0%{transform:scale(.6) rotate(-10deg);opacity:0}60%{transform:scale(1.15) rotate(6deg);opacity:1}100%{transform:none}}@keyframes h-rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.h-letter-text{text-align:left;font-size:16px;line-height:1.9;padding:16px;margin:12px 0;border-radius:6px;background:color-mix(in srgb,var(--paper) 80%,#fff 5%);border:1px dashed var(--gold);white-space:normal;overflow-wrap:anywhere}
.h-compare{width:100%;border-collapse:collapse;font-size:14px}.h-compare th,.h-compare td{padding:6px;border-bottom:1px solid color-mix(in srgb,var(--muted) 25%,transparent);text-align:center}.h-compare th:first-child{text-align:left;font-weight:500}
.h-sky{position:relative;aspect-ratio:5/3;border-radius:10px;overflow:hidden;background:radial-gradient(ellipse at 30% 20%,#2b3c6e,#0f1a3a 70%);margin-bottom:14px}.h-sky svg{position:absolute;inset:0;width:100%;height:100%}
.h-sky circle{fill:#ffe9b0;filter:drop-shadow(0 0 1px #ffe9b0)}.h-sky circle.today{fill:#fff}.h-sky circle.sel{fill:#fff;filter:drop-shadow(0 0 2px #fff)}
.h-star{position:absolute;width:28px;height:28px;margin:-14px 0 0 -14px;border:0;border-radius:50%;background:transparent;padding:0;cursor:pointer}.h-star:focus-visible{outline:2px solid #fff}
.h-sky-n{position:absolute;left:12px;bottom:8px;margin:0;color:#d9dbe4;font-size:12px}.h-star-text{font:italic 18px/1.6 Georgia,serif;overflow-wrap:anywhere}
#h-presence{position:fixed;inset:0;z-index:60;display:grid;place-items:center;padding:16px;background:#0008}#h-presence .paper{max-width:420px;width:100%;padding:20px;background:var(--paper)}
.h-card textarea,.paper textarea{width:100%;font:inherit;padding:8px;border-radius:6px}
.h-tasks summary{cursor:pointer;list-style:none;display:flex;flex-wrap:wrap;gap:6px;align-items:center}.h-tasks summary::-webkit-details-marker{display:none}.h-tasks summary::after{content:"▾";margin-left:auto;color:var(--muted)}.h-tasks[open] summary::after{content:"▴"}.h-tasks summary .caption{margin:0}

/* ---------- 四期 AI 老师：巫师帽小兔（ui/tutor.js）；手机自绘键盘弹出时（--kbh）小兔站到键盘上面，别压住回车键 ---------- */
.tu{--tu-r:16px;--tu-b:calc(16px + env(safe-area-inset-bottom));position:fixed;z-index:60;right:var(--tu-r);bottom:calc(var(--tu-b) + var(--kbh,0px));font-size:15px;color:#2c2840;text-align:left}
.tu-bubble,.tu-panel{color:#2c2840}.tu-bubble b{color:#5b3fa8}
.tu-fab{position:relative;width:64px;height:64px;border:0;padding:0;background:#fff8ec;border-radius:50%;box-shadow:0 4px 14px rgba(40,30,80,.25);cursor:grab;touch-action:none;display:grid;place-items:center}
.tu-fab img{width:58px;height:58px;object-fit:contain;border-radius:50%;pointer-events:none}
.tu-hat{position:absolute;width:36px;left:10px;top:-14px;transform:rotate(-14deg);pointer-events:none;filter:drop-shadow(0 2px 2px rgba(0,0,0,.2))}
.tu-fab:active{cursor:grabbing}
.tu-bubble{position:absolute;right:0;bottom:78px;width:min(300px,calc(100vw - 32px));background:#fff;border:2px solid #5b3fa8;border-radius:14px;padding:10px 12px;box-shadow:0 6px 18px rgba(40,30,80,.2);cursor:pointer;animation:tu-pop .25s ease-out}
.tu-bubble p{margin:4px 0;line-height:1.5}.tu-bubble .tu-l0{color:#4a4560;font-size:14px}.tu-more{color:#5b3fa8;font-weight:600;font-size:14px}
@keyframes tu-pop{from{transform:translateY(8px) scale(.96);opacity:0}to{transform:none;opacity:1}}
.tu-panel{position:fixed;right:16px;bottom:16px;width:min(380px,calc(100vw - 32px));max-height:min(640px,calc(100vh - 32px));display:flex;flex-direction:column;background:#fffdf8;border:2px solid #5b3fa8;border-radius:16px;box-shadow:0 10px 30px rgba(40,30,80,.3);overflow:hidden;z-index:61}
.tu.open .tu-fab,.tu.open .tu-bubble{display:none}
.tu-panel header{display:flex;align-items:center;gap:8px;padding:10px 12px;background:#5b3fa8;color:#fff;position:relative}
.tu-panel header img{width:36px;height:36px;border-radius:50%;background:#fff8ec}.tu-panel header .tu-hat{width:24px;left:16px;top:-6px}
.tu-panel header b{flex:1}.tu-x{border:0;background:none;color:#fff;font-size:26px;line-height:1;cursor:pointer;padding:0 4px}
.tu-body{flex:1;overflow-y:auto;padding:10px 12px}
.tu-sec{margin:0 0 12px}.tu-sec h4{margin:0 0 4px;font-size:13px;color:#5b3fa8;letter-spacing:.02em}
.tu-sec ul{margin:0;padding-left:18px}.tu-sec li{margin:4px 0}.tu-sec li span{display:block;color:#4a4560;font-size:14px}
.tu-l1{margin-top:6px;font-size:14px;color:#2c2840;white-space:pre-wrap}
.tu-hello{color:#4a4560}
.tu-words{display:flex;flex-wrap:wrap;gap:6px}.tu-w{border:1px solid #cfc6e8;background:#fff;border-radius:999px;padding:2px 10px;font:inherit;font-size:14px;cursor:pointer}.tu-w.on{background:#5b3fa8;border-color:#5b3fa8;color:#fff}
.tu-msg{margin:8px 0;display:flex;flex-direction:column}.tu-msg p{margin:0;padding:8px 10px;border-radius:12px;white-space:pre-wrap;line-height:1.55;max-width:92%}
.tu-msg.user{align-items:flex-end}.tu-msg.user p{background:#ece6fb}.tu-msg.model p{background:#fff;border:1px solid #e5def5}
.tu-flag{align-self:flex-start;border:0;background:none;color:#8a84a0;font-size:12px;cursor:pointer;padding:2px 4px;text-decoration:underline}
.tu-dots{color:#8a84a0;font-style:normal;animation:tu-blink 1s infinite}@keyframes tu-blink{50%{opacity:.3}}
.tu-ask{display:flex;gap:8px;padding:8px 12px;border-top:1px solid #eee7f8}.tu-ask textarea{flex:1;resize:none;font:inherit;font-size:16px;border:1px solid #cfc6e8;border-radius:10px;padding:6px 8px;background:#fff;color:#2c2840}
.tu .tu-panel .tu-ask button.btn,.tu .tu-panel button[data-tu="explain"]{background:#5b3fa8;color:#fff;border:0;border-radius:10px;padding:6px 14px;font:inherit;font-size:14px;cursor:pointer}.tu .tu-panel .tu-ask button.btn:disabled,.tu .tu-panel button[data-tu="explain"]:disabled{opacity:.5}
.tu-panel footer{padding:6px 12px 10px;font-size:12px;color:#6c6782;display:flex;flex-direction:column;gap:4px}
.tu-panel footer label{display:flex;gap:6px;align-items:center}
@media (max-width:600px){.tu-panel{right:0;left:0;bottom:0;width:auto;max-height:72vh;border-radius:16px 16px 0 0;border-width:2px 0 0;padding-bottom:env(safe-area-inset-bottom)}}
@media (prefers-reduced-motion:reduce){.tu-bubble,.tu-dots{animation:none}}
/* 四期自建课：我的课程 #/my、一门课 #/my/<pid>（ui/packs.js） */
.pk-list{display:grid;gap:12px;margin-bottom:22px}.pk-card{display:block;color:inherit;text-decoration:none;padding:16px 18px}.pk-card h2{font-size:18px;margin:0;overflow-wrap:anywhere}.pk-card .section-head{gap:10px;align-items:flex-start}.pk-card .chip{flex:none;margin:0}
.pk-bar{max-width:none;margin:10px 0 6px;height:5px;border-radius:3px;overflow:hidden}.pk-bar i{transition:width .4s}
.pk-new{padding:18px}.pk-new h2{margin:0 0 4px}.pk-new textarea{width:100%;min-height:180px;background:#fffdf6;border:1px solid #d8d0bd;border-radius:4px;color:var(--ink);padding:10px 12px;font:15px/1.5 Georgia,serif;resize:vertical}
.pk-new small.bad{color:#b8604c}.pk-preview ol{margin:8px 0 0;padding-left:22px;font:14px/1.5 Georgia,serif;max-height:240px;overflow:auto}.pk-preview li{margin:3px 0}
.m2 .pk-rights{display:flex!important;gap:10px;align-items:flex-start;grid-template-columns:none}.pk-rights input{width:20px;height:20px;flex:none;accent-color:var(--green);margin-top:1px}
/* 六期 R2：超出免费额度用金钥匙的确认框 */
.m2 .pk-keys{border:1.5px solid #e2b04a;background:rgba(226,176,74,.13);color:inherit;border-radius:14px;padding:14px 16px;display:grid;gap:8px}.m2 .pk-keys .caption{color:inherit;opacity:.8}.m2 [data-pk-go][hidden]{display:none}.m2 .pk-keys p{margin:0}.m2 .pk-keys[hidden]{display:none}
.m2 .pk-keys-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.m2 .pk-keys-actions>*{flex:1 1 auto;min-width:0;text-align:center}.m2 .pk-keys-actions [hidden]{display:none}
.pk-progress{padding:14px 18px;margin-bottom:14px}.pk-actions{display:grid;gap:10px;padding:16px 18px;margin-bottom:18px}.pk-actions .caption{margin:0}
.pk-sent .sentence-english{font:19px/1.45 Georgia,serif;margin:6px 0}.pk-sent>.caption{float:right;margin:0;color:var(--muted)}.chip.warn{border-color:#c98a5a;color:#b8604c}
.pk-danger{margin:26px 0 10px;text-align:center}.pk-login{padding:18px;display:grid;gap:12px}
.pk-kind{margin:10px 0 4px}.m2 [data-pk-for][hidden]{display:none}.pk-subs{display:grid;gap:10px}.pk-subs .caption{margin:0}
.m2 .pk-file{position:relative;overflow:hidden;cursor:pointer;display:flex!important;align-items:center;justify-content:center;min-height:48px}.pk-file input{position:absolute;inset:0;opacity:0;cursor:pointer}
.pk-subpaste summary,.pk-subprev summary{cursor:pointer;font-size:14px}.pk-subpaste textarea{min-height:120px!important;font:13px/1.45 ui-monospace,Menlo,monospace!important;margin-top:8px}
.pk-subinfo{display:grid;gap:8px;border:1px solid #d8d0bd;border-radius:10px;padding:12px 14px}.pk-subinfo[hidden]{display:none}.pk-subinfo>p{margin:0}.m2 [data-pk-subsum]{font-weight:600}.m2 [data-pk-subsum].bad{color:#b8604c}
.pk-warn{margin:0;padding-left:20px;font-size:13px;display:grid;gap:3px}.pk-warn:empty{display:none}
.pk-subprev>div{max-height:340px;overflow:auto;margin-top:6px}.m2 .pk-subprev ol{max-height:none;overflow:visible}.pk-subprev ol{margin:0 0 6px;padding-left:34px;font:14px/1.5 Georgia,serif}.pk-subprev li{margin:4px 0;overflow-wrap:anywhere}
.pk-subles{font-size:14px;margin:10px 0 4px}.pk-subles small{font-weight:400;color:var(--muted)}.pk-ts{font:12px ui-monospace,Menlo,monospace;color:var(--muted)}.pk-ref{display:block;font:12px/1.4 system-ui,sans-serif;color:var(--muted)}
html[data-theme="dark"] .m2 .pk-subinfo{border-color:#3b4b5b}
/* 六期 R5 音频课 */
.pk-media{display:grid;gap:10px}.pk-media[hidden],.pk-media [hidden]{display:none!important}.pk-media>div[data-md-for]{display:grid;gap:10px}.pk-media>div[data-md-for] .caption{margin:0}
.md-info{margin:0;font-weight:600;overflow-wrap:anywhere}.md-info.bad{color:#b8604c;font-weight:500}
.md-prog{display:grid;gap:6px}.md-prog p{margin:0}.md-prog .thin-progress i{transition:width .3s}
.m2 .pk-subprev li.md-warn{background:#fbf0c9;border-radius:6px;padding:2px 6px}html[data-theme="dark"] .m2 .pk-subprev li.md-warn{background:#4a4120}
.pk-media .pk-subprev li[data-md-i]{cursor:pointer}.pk-media .pk-subprev li[data-md-i]:hover{text-decoration:underline dotted}
.md-tap{display:grid;gap:10px;padding:14px}.md-tap audio{width:100%}.md-tapline{margin:0;font:600 20px/1.4 Georgia,serif;min-height:2.8em;overflow-wrap:anywhere}.md-tapbtns{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.md-tapbtns .primary{flex:1 1 100%;min-height:52px}.md-tapbtns .secondary{margin-left:auto}
.pk-orig{font-size:13px!important;padding:2px 6px!important;white-space:nowrap}
html[data-theme="dark"] .m2 .pk-new textarea{background:#22303d;border-color:#3b4b5b;color:var(--ink)}
html[data-theme="dark"] .m2 .pk-bar{background:#ffffff1f}html[data-theme="dark"] .m2 .pk-bar i{background:#e1c07f}
/* 六期 R3b 课程目录 #/my/<pid>/edit、按课分组、素材库 #/me/bank */
.ls-entry{margin:0 0 18px}.ls-sub{margin:-8px 0 16px}
.ls-grid{display:grid;gap:14px;align-items:start}@media (min-width:640px){.ls-grid{grid-template-columns:200px minmax(0,1fr)}}
.ls-tree,.ls-body{padding:12px;margin:0}.ls-tree ol,.ls-sents{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.ls-item{display:flex;align-items:stretch;gap:4px;border:1px solid transparent;border-radius:6px}.ls-item.on{border-color:var(--green);background:#53634b12}.ls-item.over{border-color:#c98a5a}
.ls-pick{flex:1;min-width:0;text-align:left;background:transparent;padding:8px 8px;display:grid;gap:1px;min-height:48px}.ls-pick b{font-weight:500;overflow-wrap:anywhere}.ls-pick small{font-size:11px;color:var(--muted)}
.ls-move{display:flex;gap:2px;align-items:center;flex:none}.ls-move button{width:34px;height:34px;border:1px solid #d6cdb8;border-radius:4px;background:transparent;font-size:14px;color:inherit}.ls-move button:disabled{opacity:.3}
.ls-new{width:100%;margin-top:6px;min-height:44px}.ls-body{display:grid;gap:12px}.ls-body .caption{margin:0}.ls-name{display:grid;gap:6px;font-size:13px}
.ls-sent{display:flex;gap:6px;align-items:center;border-bottom:1px dashed #e0d7c4;padding:4px 0}.ls-sent label{flex:1;min-width:0;display:flex;gap:10px;align-items:flex-start;cursor:pointer;font:16px/1.45 Georgia,serif;padding:6px 0}
.ls-sent input{width:20px;height:20px;flex:none;accent-color:var(--green);margin-top:2px}.ls-sent span{overflow-wrap:anywhere}.ls-empty{padding:24px 8px;margin:0}
.m2 .ls-movebar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;border:1px solid #c8b78c;background:#e2b04a1c;border-radius:10px;padding:10px}.m2 .ls-movebar[hidden]{display:none}.ls-movebar select{flex:1 1 140px;width:auto!important}.ls-movebar .secondary{min-height:46px}
.ls-del{justify-self:start}.ls-del:disabled{opacity:.4}
.ls-savebar{position:sticky;bottom:calc(86px + env(safe-area-inset-bottom));z-index:5;display:flex;gap:12px;align-items:center;justify-content:space-between;margin:16px 0;padding:10px 12px;background:var(--paper);border:1px solid #e0d7c4;border-radius:10px;box-shadow:0 4px 14px #4a432f1a}.ls-savebar .primary:disabled{opacity:.45}@media(min-width:700px){.ls-savebar{bottom:12px}}
.ls-group{margin:0 0 10px}.ls-head{margin:18px 0 8px;align-items:baseline}.ls-head h2{font-size:17px;margin:0;overflow-wrap:anywhere}.ls-head small{font-weight:400}.ls-head .text-button{flex:none;min-height:40px}.ls-acts{display:flex;flex:none;gap:2px;align-items:center}.ls-acts .ls-watch{text-decoration:none}
.bk-store{padding:14px 18px}.bk-store p{margin:0 0 4px;font-size:13px}.bk-bar{max-width:none;height:6px;border-radius:3px;overflow:hidden}.bk-bar.full i{background:#b8604c}
.bk-filter{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 14px}.bk-filter .chip{font-size:12px;padding:6px 12px;min-height:34px;background:transparent;margin:0}.bk-filter .chip.on{background:var(--green);border-color:var(--green);color:#fffaf0}
.bk-list{display:grid;gap:12px}.bk-item{padding:14px 16px;margin:0}.bk-head{display:flex;gap:12px;align-items:flex-start}.bk-icon{font-size:26px;line-height:1.2}.bk-name{flex:1;min-width:0}.bk-name h2{font-size:16px;margin:0;overflow-wrap:anywhere}.bk-name .caption{margin:2px 0 0}.bk-head .chip{flex:none;margin:0}
.bk-used{margin:8px 0 0;font-size:13px;overflow-wrap:anywhere}.bk-course{color:var(--green)}.bk-actions{display:flex;gap:18px;justify-content:flex-end;margin-top:2px}.bk-actions .text-button{min-height:40px;padding:6px 0}.bk-item>*{margin-bottom:0}.bk-empty{padding:40px 16px}
html[data-theme="dark"] .m2 :is(.ls-move button){border-color:#68747a}html[data-theme="dark"] .m2 .ls-item.on{background:#b5c79c1f}html[data-theme="dark"] .m2 .ls-sent{border-color:#3b4b5b}
html[data-theme="dark"] .m2 .bk-filter .chip.on{color:#14223f}html[data-theme="dark"] .m2 .ls-savebar{border-color:#3b4b5b}html[data-theme="dark"] .m2 .bk-bar{background:#ffffff1f}
/* 四期 R3 句子编辑器 #/my/<pid>/s/<n>（ui/pack_editor.js） */
.pe-box{padding:16px}.pe-line{display:flex;flex-wrap:wrap;align-items:stretch;row-gap:10px;font:20px/1.3 Georgia,serif}
.m2 .pe-w{border:0;border-radius:0;background:transparent;color:inherit;font:inherit;min-height:0;padding:6px 3px;border-bottom:3px solid var(--c,#9aa38a);cursor:default}
.pe-w.c0{--c:#7f9a6a}.pe-w.c1{--c:#c99a55}.pe-w.c2{--c:#6f8fb0}.pe-w.c3{--c:#b0707a}
.pe-line.splitting .pe-w:not([data-w="0"]){cursor:pointer;border-radius:4px;outline:1px dashed #b8604c55}.pe-line.splitting .pe-w:not([data-w="0"]):hover{background:#b8604c1a}
.pe-seam{width:22px;min-height:44px;border:0;background:transparent;padding:0;display:grid;place-items:center;cursor:pointer;touch-action:manipulation}
.pe-seam i{display:block;width:2px;height:60%;background:#cfc6b0;border-radius:1px}.pe-seam.cut i{background:#b8604c;width:3px;height:90%}.pe-seam:hover i,.pe-seam:focus-visible i{background:var(--gold)}
.pe-form{margin:16px 0}.pe-form textarea{width:100%;background:#fffdf6;border:1px solid #d8d0bd;border-radius:4px;color:var(--ink);padding:10px 12px;font:inherit;font-size:15px;line-height:1.5}
.pe-chunks{border:0;padding:0;margin:0;display:grid;gap:10px}.pe-chunks legend{font-size:13px;margin-bottom:8px}
.pe-chunk{border-left:4px solid var(--c);padding:4px 0 4px 10px}.pe-chunk.c0{--c:#7f9a6a}.pe-chunk.c1{--c:#c99a55}.pe-chunk.c2{--c:#6f8fb0}.pe-chunk.c3{--c:#b0707a}.pe-chunk p{margin:0 0 6px;font:16px Georgia,serif}
.pe-row{display:grid;grid-template-columns:92px 1fr;gap:8px}
.pe-words summary{font-size:13px}.pe-word{display:grid;grid-template-columns:minmax(70px,1fr) 1.3fr 1.3fr 72px;gap:6px;align-items:center;margin-top:8px}.pe-word b{font:15px Georgia,serif;overflow-wrap:anywhere}
.m2 .pe-word input,.m2 .pe-word select{min-height:40px;padding:6px 8px;font-size:13px}
@media (max-width:520px){.pe-word{grid-template-columns:1fr 1fr}.pe-word b{grid-column:1/-1}}
.pe-more{display:grid;gap:10px;padding:16px}.pe-note{color:#b8604c}.pe-nav{display:flex;justify-content:space-between;margin:14px 0 24px}
html[data-theme="dark"] .m2 .pe-form textarea{background:#22303d;border-color:#3b4b5b;color:var(--ink)}html[data-theme="dark"] .m2 .pe-seam i{background:#ffffff26}html[data-theme="dark"] .m2 .pe-seam.cut i{background:#e1c07f}
/* 四期 R5：知识点讲解（#/kp/<编号>、小兔里就地展开）和词页单词故事 */
.kp p{margin:10px 0;line-height:1.7}.kp .kp-sum{font-size:17px;font-weight:600;color:var(--green)}.kp h5{margin:18px 0 6px;font-size:12px;letter-spacing:.08em;color:var(--muted)}
.kp mark{background:#f4a26133;color:inherit;border-radius:3px;padding:0 3px}.kp b{color:#c7702f}
.kp-ex{list-style:none;padding:0;margin:0;display:grid;gap:10px}.kp-ex li{border-left:3px solid #f4a261;padding:6px 0 6px 12px}.kp-ex p{margin:2px 0}
.kp-bad,.kp-good{display:flex;gap:8px;align-items:baseline}.kp-bad>span,.kp-good>span:first-child{flex:none;font-size:11px;border-radius:3px;padding:0 5px;line-height:1.7}.kp-bad>span{background:#c9584a1f;color:#b2473a}.kp-good>span:first-child{background:#53634b1f;color:var(--green)}
.kp-bad s{color:var(--muted);text-decoration-color:#b2473a99}.kp-good [lang=en],.kp-sent{font-weight:600}.kp-zh,.kp-note{font-size:13px;color:var(--muted)}
.kp-tip{background:#f4a2611a;border-radius:6px;padding:8px 12px}.kp-page{padding:6px 20px 16px}
.kp-nav{margin:6px 0 14px}.kp-nav .chip{font-size:13px;text-decoration:none;padding:4px 10px}.kp-nav .chip.on{background:#f4a261;border-color:#f4a261;color:#3b2a14}
.kp-link{font-size:13px;color:#c7702f}.gk-errs a.chip{text-decoration:none;font-size:13px;padding:4px 10px}.h-errs li a{color:inherit;text-decoration:underline;text-decoration-color:#f4a26199;text-underline-offset:3px}
.tu-kpbtn{border:0;background:none;color:#5b3fa8;font:inherit;font-size:13px;font-weight:600;padding:2px 0;cursor:pointer;white-space:nowrap}
.tu-role p{margin:0;font-size:14px;color:#4a4560}.tu-kp{background:#f6f2ff;border-radius:10px;padding:8px 12px}.tu-kp .kp p{font-size:14px}.tu-kp .kp h4{margin:2px 0 0;color:#5b3fa8;font-size:15px}.tu-kp .kp .kp-sum{font-size:14px;color:#2e1f5e}.tu-kp .kp-zh,.tu-kp .kp-note,.tu-kp .kp h5{color:#6b6580}.tu-kp .kp-bad s{color:#6b6580}
.word-story{border-top:1px solid #e1d9c5;padding:17px 0 6px}.word-story h2{font-size:15px;margin:0}.word-story .section-head{display:flex;justify-content:space-between;align-items:center;gap:8px}
.word-story .st-en{font:21px/1.5 Cormorant,Georgia,serif;margin:10px 0}.word-story .st-en b{color:#c7702f}.word-story .st-zh{font-size:14px;line-height:1.7;margin:8px 0}.word-story .st-zh b{color:#c7702f;font-weight:600}
.word-story .st-hook{font-size:14px;background:#f4a2611a;border-radius:6px;padding:6px 10px}.word-story .st-hook b{color:#c7702f;margin-right:4px}.word-story .st-ai{font-size:11px}.word-story .st-listen{font-size:12px;min-height:32px}
.word-story .st-img{display:block;width:100%;height:auto;border-radius:6px;margin:10px 0}
html[data-theme="dark"] .m2 :is(.kp b,.word-story .st-en b,.word-story .st-zh b,.word-story .st-hook b,.kp-link){color:#f4b47e}html[data-theme="dark"] .m2 .word-story{border-color:#53616a}html[data-theme="dark"] .m2 .kp-bad>span{color:#f09a8e}
html[data-theme="dark"] .m2 .tu-kp .kp b{color:#c7702f}
/* 五期 口语：麦克风说明卡、测试页 #/speechlab、影子跟读 #/shadow、耳机模式 #/ear */
.mic-card{border:1px solid #d1c5ac;border-radius:10px;background:var(--paper,#fcf8ee);color:var(--ink,#3e4438);padding:20px 20px 16px;max-width:440px;width:calc(100% - 32px)}.mic-card::backdrop{background:#30332788;backdrop-filter:blur(3px)}.mic-card h2{font-size:18px;margin:0 0 10px}.mic-card ul{margin:0 0 16px;padding-left:18px;font-size:14px;line-height:1.7}.mic-card li{margin:4px 0}.mic-btns{display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap}.mic-btns button{min-width:110px}
.mic-denied{font-size:13px;line-height:1.7;padding:12px 14px;border-radius:6px;background:#f1e2d8;color:#6d3f2a;margin:0 0 16px}
[data-theme="dark"] .mic-card{background:#1a2a48;color:#f1e9d8;border-color:#e1c07f55}[data-theme="dark"] .mic-denied{background:#4a2c2a;color:#f6d9c8}
.sp-chip{display:inline-flex;align-items:center;justify-content:center;min-height:40px;min-width:44px;padding:0 14px;border:1px solid #cfc4ab;border-radius:999px;background:transparent;color:var(--ink);font-size:13px}.sp-chip.on,.sp-chip[aria-pressed=true]{background:var(--green);border-color:var(--green);color:var(--paper)}
.lab-env dl{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;margin:0;font-size:13px}.lab-env dt{color:var(--muted)}.lab-env dd{margin:0;overflow-wrap:anywhere}
.lab-card h2,.lab-env h2{font-size:16px;margin:0 0 6px}.lab-sent{font:20px/1.5 Cormorant,Georgia,serif;margin:6px 0 12px}.lab-sent:lang(ja),.lab-sent:lang(zh){font-family:inherit;font-size:17px}.lab-row{display:flex;gap:10px;flex-wrap:wrap}.lab-mark{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.lab-res,.lab-keys{font-size:12px;color:var(--muted);margin:10px 0 0;overflow-wrap:anywhere}.lab-end{display:grid;gap:8px;margin:10px 0 30px}.lab-out{white-space:pre-wrap;font-size:11px;background:var(--paper);border:1px solid #e0d7c4;padding:10px;border-radius:4px;overflow-wrap:anywhere;max-width:100%}
.sh-entry{margin-top:10px}.sh-mode{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:6px 0 10px}.sh-why{margin:0 0 12px}
.sh-text{font:24px/1.45 Cormorant,Georgia,serif;margin:6px 0 4px}.sh-text:lang(ja){font-family:inherit;font-size:20px}.sh-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.sh-row>*{flex:1 1 140px}.sh-next{margin-top:18px}
.sh-words{font:22px/1.6 Cormorant,Georgia,serif;margin:14px 0 6px}.sh-words.chars{font-family:inherit;font-size:20px;letter-spacing:.04em}.sh-words .ok{color:var(--green)}.sh-words .miss{color:#b0563b;text-decoration:underline wavy #b0563b80;text-underline-offset:4px}
.sh-live{margin:16px 0 0;color:#b0563b;font-weight:500}.sh-msg{margin:8px 0 0;font-size:14px}.sh-q{margin:14px 0 0;font-size:14px}
.sh-done h2{font-size:20px;margin:0 0 8px}.sh-done h3{font-size:15px;margin:18px 0 6px}.sh-big{font:30px/1.3 Cormorant,Georgia,serif;margin:0 0 6px}.sh-trouble{list-style:none;padding:0;margin:0}.sh-trouble li{display:flex;align-items:center;gap:10px;border-bottom:1px solid #e0d7c4;padding:4px 0}.sh-trouble li span{font:20px Cormorant,Georgia,serif}.sh-trouble small{color:var(--muted)}.sh-trouble .text-button{margin-left:auto}
[data-theme="dark"] .sh-words .miss,[data-theme="dark"] .sh-live{color:#f0a58a}
.ear-q{margin:14px 0 0}.ear-recog{display:flex;gap:8px;align-items:center;margin:16px 0 4px;font-size:14px}.ear-recog input{width:20px;height:20px;accent-color:var(--green)}.ear-setup .primary{margin-top:16px}
.ear-play{text-align:center}.ear-step{font-size:15px;color:var(--gold);min-height:1.6em;margin:6px 0}.ear-zh{font-size:20px;min-height:1.6em;margin:4px 0}.ear-text{font:22px/1.45 Cormorant,Georgia,serif;min-height:1.5em;margin:4px 0 16px}.ear-text:lang(ja){font-family:inherit;font-size:19px}
.ear-ctl{display:grid;grid-template-columns:1fr 1.2fr 1fr;gap:8px;margin:8px 0}.ear-ctl button{padding:12px 6px;font-size:13px}
.ear-cover{position:fixed;inset:0;z-index:200;background:#0b1430;color:#f1e9d8;display:grid;place-items:center;touch-action:none;user-select:none;-webkit-user-select:none;transition:background .2s}.ear-cover.holding{background:#1e2c55}.ear-cover-in{text-align:center;padding:24px;max-width:520px}.ear-cover-n{font-size:12px;letter-spacing:.15em;opacity:.7}.ear-cover-msg{font-size:28px;margin:12px 0}.ear-cover-sub{font-size:18px;opacity:.85;overflow-wrap:anywhere}.ear-cover-hold{position:fixed;left:0;right:0;bottom:calc(30px + env(safe-area-inset-bottom));font-size:12px;opacity:.6}
.ear-done h2{font-size:20px;margin:0 0 8px}.ear-wrong{list-style:none;padding:0;margin:10px 0}.ear-wrong li{display:grid;gap:2px;border-bottom:1px solid #e0d7c4;padding:6px 0}.ear-wrong small{color:var(--muted)}.ear-wrong .text-button{justify-self:start}
/* 六期 R7 看图学词、拍照取字：建课面板（.pk-image）、课页封面（.im-cover）、看图练习页（.im-play）。框的坐标是 0–1000 归一化，换成百分比定位在图上 */
.pk-image{display:grid;gap:10px}.pk-image[hidden],.pk-image [hidden]{display:none!important}.pk-image .caption{margin:0}
.im-pick{display:flex;flex-wrap:wrap;gap:8px}.im-pick>label{flex:1 1 160px;text-align:center}.im-info{font-weight:600;overflow-wrap:anywhere}
.im-stage{display:flex;justify-content:center}
.im-pic{position:relative;display:inline-block;max-width:100%;line-height:0;border-radius:12px;overflow:hidden;box-shadow:0 2px 10px rgba(0,0,0,.18)}
.im-pic img{display:block;max-width:100%;max-height:62vh;width:auto;height:auto}
.im-boxes{position:absolute;inset:0}
.im-box{position:absolute;display:block;padding:0;margin:0;min-height:0;border:2.5px solid #f4a261;border-radius:8px;background:rgba(244,162,97,.08);box-shadow:0 0 0 1.5px rgba(255,255,255,.75);cursor:pointer;transition:opacity .2s,background .2s,border-color .2s;line-height:1.2}
.im-box>span{position:absolute;left:0;top:0;background:#f4a261;color:#1b1b1b;font:600 13px/1.25 system-ui,sans-serif;padding:2px 7px;border-radius:0 0 7px 0;white-space:nowrap;max-width:none}
.im-box.on{border-color:#2a9d8f;background:rgba(42,157,143,.16)}.im-box.on>span{background:#2a9d8f;color:#fff}
.im-box.dim{opacity:.25}.im-quiz .im-box>span{display:none}.im-quiz .im-box.on{border-width:3.5px;animation:imPulse 1.6s ease-in-out infinite}
@keyframes imPulse{50%{box-shadow:0 0 0 6px rgba(42,157,143,.35)}}
@media (prefers-reduced-motion:reduce){.im-quiz .im-box.on{animation:none}}
.im-items{list-style:none;padding:0;margin:0;display:grid;gap:8px;counter-reset:im}
.im-items li{display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:start;padding:10px;border-radius:12px;border:1.5px solid transparent;background:rgba(127,127,127,.08)}
.im-items li.on{border-color:#2a9d8f}.im-items li.off{opacity:.5}.im-items li.off .im-fields input{text-decoration:line-through}
.im-keep input{width:22px;height:22px;margin:6px 0 0;accent-color:#2a9d8f}
.im-fields{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:6px}.im-fields input{min-width:0;width:100%}.im-fields .im-sent{grid-column:1/-1}
.im-cover{display:block;text-align:center;margin:0 0 10px}.im-cover .im-pic img{max-height:300px}.im-cover .im-box{cursor:inherit}.im-cover .im-box>span{font-size:11px}
.im-pmode{margin:4px 0 12px}.im-play{display:grid;gap:12px}.im-look-tools{text-align:center;margin:0}.im-progress{text-align:center;margin:0}
.im-card{text-align:center;display:grid;gap:4px}.im-card h2{font:600 30px/1.2 Cormorant,Georgia,serif;margin:0}.im-card p{margin:0}.im-card-zh{font-size:19px}
.bk-thumb{width:52px;height:52px;object-fit:cover;border-radius:8px;flex:none}
html[data-theme="dark"] .im-items li{background:rgba(255,255,255,.06)}
@media (max-width:700px){.im-play .im-quiz img{max-height:26vh}.im-play{padding:10px}}
.im-card .sentence-english{text-align:center;justify-content:center}
/* 六期 R8：复制句子到别的课 #/my/<pid>/copy */
.cp-entry{margin:-10px 0 18px}
.cp-sel{margin:0 0 8px;display:flex;gap:8px}
.cp-list{display:grid;gap:6px;margin:0 0 16px}
.cp-lesson{font-size:16px;margin:14px 0 4px}
.cp-row{display:flex;gap:10px;align-items:flex-start;padding:10px 14px;margin:0;cursor:pointer}
.cp-row input{flex:none;width:20px;height:20px;margin:2px 0 0}
.cp-row .caption{flex:none;min-width:1.6em}
.cp-row span[lang]{min-width:0;overflow-wrap:anywhere}
.cp-row.muted{opacity:.55;cursor:default}
.cp-bar{position:sticky;bottom:calc(84px + env(safe-area-inset-bottom));z-index:21;display:grid;gap:10px;padding:14px 16px}
.cp-bar label{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.cp-bar select,.cp-bar input{min-height:40px;max-width:100%;box-sizing:border-box;font:inherit}
.cp-bar select{flex:1;min-width:0}
.cp-bar .notice{margin:0}
@media(min-width:1100px){.cp-bar{bottom:8px}}
/* 六期 R6b「我的课程」▶ YouTube 一栏 */
.m2 .pk-yt{display:grid;gap:10px}.m2 .pk-yt[hidden],.m2 .pk-yt [hidden]{display:none}
.m2 .yt-info{display:flex;gap:12px;align-items:center;border:1px solid rgba(127,127,127,.3);border-radius:12px;padding:8px}.m2 .yt-info img{width:128px;height:72px;object-fit:cover;border-radius:8px;flex:none;background:#0003}
.m2 .yt-info>div{min-width:0}.m2 .yt-title{margin:0;font-weight:700;overflow-wrap:anywhere}.m2 .yt-info .caption{margin:2px 0 0}
.m2 .yt-how{display:grid;gap:8px}.m2 .yt-opt{display:flex!important;grid-template-columns:none;gap:10px;align-items:flex-start;border:1.5px solid rgba(127,127,127,.35);border-radius:12px;padding:10px 12px;cursor:pointer}
.m2 .yt-opt:has(input:checked){border-color:#e2b04a;background:rgba(226,176,74,.12)}.m2 .yt-opt:has(input:disabled){opacity:.5;cursor:not-allowed}.m2 .yt-opt input{width:20px;height:20px;min-height:0;padding:0;margin:2px 0 0;flex:none;accent-color:#e2b04a}
.m2 .yt-opt span{display:grid;gap:3px;min-width:0}.m2 .yt-opt small{opacity:.85;line-height:1.45}
.m2 .yt-probe{position:fixed;left:-9999px;top:0;width:200px;height:200px;overflow:hidden;pointer-events:none}
.m2 .yt-subs{display:grid;gap:8px}