[hidden]{display:none!important}
:root{color-scheme:dark;--bg:#11151d;--panel:#1b202a;--panel2:#222834;--text:#f1eee7;--muted:#adb2bf;--line:#343b47;--gold:#e6c58a;--green:#98c8b1;--rose:#e3a9a9;--serif:Georgia,'Times New Roman',serif;--radius:18px}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.6 system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;min-height:100vh}body.bedtime{--bg:#0c1017;--panel:#141a23;--panel2:#1b222c;--gold:#c7ae7d;--text:#d7d4cc}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.45}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--gold);outline-offset:4px}button[hidden],audio[hidden]{display:none}h1,h2,h3,p{margin:0}h1{font:clamp(36px,5vw,62px)/1.12 var(--serif);font-weight:400;letter-spacing:-1.8px}h2{font:clamp(25px,3vw,34px)/1.2 var(--serif);font-weight:400;letter-spacing:-.6px}h3{font-size:18px;font-weight:650;line-height:1.4}p+p{margin-top:12px}.muted{color:var(--muted)}.fine{font-size:12px;color:var(--muted);line-height:1.6}.eyebrow{font-size:11px;font-weight:700;color:var(--gold);letter-spacing:2px;text-transform:uppercase;margin-bottom:12px}.topbar{max-width:1280px;margin:auto;padding:25px 40px 20px;display:flex;justify-content:space-between;gap:20px;align-items:center}.brand{display:flex;gap:12px;align-items:center;font-size:18px;font-weight:650;line-height:1.3}.brand small{display:block;color:var(--muted);font-size:9px;letter-spacing:1.8px;font-weight:500;margin-top:5px}.brand-mark{width:42px;height:42px;border:1px solid var(--gold);display:grid;place-items:center;border-radius:13px;font:28px var(--serif);color:var(--gold)}.header-right{display:flex;gap:18px;align-items:center}.points-pill{color:var(--gold);font-size:13px;white-space:nowrap}.navigation{max-width:1280px;margin:auto;padding:0 40px;display:flex;gap:30px;border-bottom:1px solid var(--line);overflow:auto;scrollbar-width:none}.navigation a{white-space:nowrap;color:var(--muted);padding:15px 0;border-bottom:2px solid transparent;font-size:13px}.navigation a.active{color:var(--text);border-color:var(--gold)}main{max-width:1200px;padding:44px 0 32px;margin:auto;min-height:68vh}footer{max-width:1200px;margin:auto;border-top:1px solid var(--line);padding:20px 0 28px;color:var(--muted);font-size:12px}.button{border:1px solid var(--line);border-radius:10px;padding:12px 19px;background:var(--panel2);color:var(--text);display:inline-flex;justify-content:center;gap:8px;align-items:center;font-size:13px;font-weight:600;min-height:44px}.button:hover{border-color:#79705c;background:#2b313d}.button.primary{background:var(--gold);border-color:var(--gold);color:#171a20}.button.primary:hover{filter:brightness(1.07)}.button.small{padding:9px 13px;font-size:12px}.button.quiet{background:transparent}.button-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.text-button{padding:0;background:none;border:0;color:var(--gold);font-size:inherit;text-decoration:underline;text-underline-offset:3px}.icon-button{border:1px solid var(--line);background:transparent;color:var(--text);width:40px;height:40px;border-radius:50%;font-size:25px}.hero{display:grid;grid-template-columns:1.5fr 1fr;gap:45px;margin-bottom:38px;align-items:center}.hero-copy p{max-width:540px;margin-top:20px;font-size:16px;color:var(--muted)}.hero-copy .button-row{margin-top:26px}.hero-art{min-height:220px;border:1px solid var(--line);border-radius:var(--radius);background:radial-gradient(ellipse at 60% 50%,#3b344329,transparent 70%),var(--panel);padding:29px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}.hero-art:after{content:'';position:absolute;right:-50px;top:20px;width:210px;height:210px;border:1px solid #e6c58a25;border-radius:50%;box-shadow:0 0 0 32px #e6c58a08,0 0 0 64px #e6c58a06}.hero-art h2{max-width:250px;z-index:1}.hero-art .fine{z-index:1;margin-top:25px}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:15px;margin:28px 0 16px}.section-heading h2{font-size:27px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px}.card{padding:24px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}.card p.muted{margin-top:9px;font-size:14px}.card .button-row{margin-top:20px}.mode-number{font:28px var(--serif);color:var(--gold);margin-bottom:18px}.tag{font-size:10px;letter-spacing:1px;text-transform:uppercase;color:var(--gold);border:1px solid #e6c58a30;display:inline-block;border-radius:6px;padding:3px 7px}.tags{display:flex;gap:7px;flex-wrap:wrap}.card.selected{border-color:var(--gold)}.panel-strip{border:1px solid var(--line);border-radius:var(--radius);padding:18px 23px;display:flex;justify-content:space-between;gap:20px;align-items:center;background:var(--panel);margin-top:24px}.panel-strip h3{font-size:15px}.session-timer{color:var(--gold);font:28px var(--serif);font-variant-numeric:tabular-nums;white-space:nowrap}.page-head{max-width:790px;margin-bottom:30px}.page-head h1{font-size:44px}.page-head .muted{margin-top:16px}.filters{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}.filter{border:1px solid var(--line);border-radius:30px;background:none;color:var(--muted);padding:8px 15px;font-size:12px}.filter.active{background:var(--gold);color:var(--bg);border-color:var(--gold)}label{display:block;font-size:12px;color:var(--muted);font-weight:600}input,select,textarea{display:block;width:100%;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:12px;margin-top:7px}textarea{resize:vertical;line-height:1.6}.search{max-width:480px}.pattern-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.pattern-card{display:flex;flex-direction:column;padding:20px}.pattern-card h3{margin:13px 0 8px;font-size:17px}.pattern-card .muted{font-size:12px;flex:1}.pattern-card .button-row{margin-top:17px}.pattern-card .button{padding:8px 12px;min-height:40px;font-size:12px}.breadcrumb{color:var(--muted);font-size:12px;display:block;margin-bottom:20px}.lesson-layout{display:grid;grid-template-columns:1.5fr 1fr;gap:25px}.lesson-card{padding:29px}.lesson-card h3{margin-bottom:13px}.lesson-card .principle{font-size:18px;line-height:1.7}.examples{display:grid;gap:12px;margin-top:24px}.example{margin:0;padding:18px 21px;border-left:2px solid var(--gold);background:var(--bg);border-radius:0 10px 10px 0;font-family:var(--serif);font-size:19px;line-height:1.6}.checklist{padding-left:20px;color:var(--muted);font-size:14px}.checklist li{margin-bottom:11px}.source-note{margin-top:24px;padding-top:17px;border-top:1px solid var(--line)}.aside-card .button{width:100%;margin-top:12px}.aside-card h3{margin-bottom:14px}.back-link{color:var(--gold);font-size:12px}.selection-area{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.selection-chip{background:var(--bg);border:1px solid var(--line);border-radius:9px;padding:8px 10px;color:var(--muted);font-size:12px}.selection-chip.on{border-color:var(--gold);color:var(--gold)}.game-shell{max-width:820px;margin:auto}.game-head{display:flex;gap:20px;justify-content:space-between;align-items:center;margin-bottom:20px}.progress-track{height:4px;background:var(--line);border-radius:4px;margin-bottom:25px;overflow:hidden}.progress-fill{height:100%;background:var(--gold)}.question{font:27px/1.45 var(--serif);margin:18px 0 25px}.choices{display:grid;gap:10px}.choice{background:var(--bg);border:1px solid var(--line);border-radius:12px;color:var(--text);text-align:left;padding:17px 20px;min-height:55px;font-size:14px}.choice:hover:not(:disabled){border-color:var(--gold)}.choice.correct{border-color:var(--green);background:#98c8b110}.choice.wrong{border-color:var(--rose);background:#e3a9a910}.feedback{margin-top:20px;padding:17px 20px;border:1px solid var(--line);border-radius:12px;background:var(--bg)}.feedback.good{border-color:var(--green)}.feedback h3{font-size:15px;margin-bottom:7px}.feedback p{font-size:14px;color:var(--muted)}.feedback .button-row{margin-top:16px}.large-number{font:60px var(--serif);color:var(--gold);line-height:1.2}.prompt-card{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:22px;margin:20px 0}.prompt-card p{font:21px/1.6 var(--serif)}.rubric label{display:flex;gap:12px;align-items:flex-start;margin:12px 0;font-size:14px;font-weight:400}.rubric input{width:18px;height:18px;flex-shrink:0;margin-top:4px;accent-color:var(--gold)}.review-heading{margin-top:24px}.stack{display:grid;gap:17px}.notice{padding:14px 17px;border:1px solid var(--line);border-radius:12px;color:var(--muted);font-size:12px;background:var(--bg)}.work-card{padding:20px}.work-card h3{margin-bottom:6px}.work-card audio{width:100%;margin-top:14px}.work-body{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;margin-top:12px;max-height:260px;overflow:auto;color:var(--muted)}.work-card .fine{margin-top:6px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:25px}.stat{padding:24px;border:1px solid var(--line);background:var(--panel);border-radius:var(--radius)}.stat .muted{font-size:12px}.stat .large-number{font-size:38px}table{border-collapse:collapse;width:100%;font-size:13px}th{text-align:left;color:var(--muted);font-weight:500}th,td{padding:12px 10px;border-bottom:1px solid var(--line)}.table-wrap{overflow:auto}.reward-fields{display:grid;grid-template-columns:1fr 100px auto;gap:10px;margin:12px 0;align-items:end}.reward-fields .button{min-height:47px}.reward-card{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:16px;border:1px solid var(--line);border-radius:12px;background:var(--bg);margin-top:12px}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,20px);background:var(--gold);color:var(--bg);padding:12px 20px;border-radius:12px;box-shadow:0 8px 40px #0005;opacity:0;pointer-events:none;max-width:90vw;z-index:20;font-size:13px;font-weight:600;transition:.2s}.toast.show{opacity:1;transform:translate(-50%,0)}dialog{color:var(--text);background:var(--panel);border:1px solid var(--line);border-radius:22px;width:600px;max-width:calc(100vw - 28px);max-height:92dvh;overflow:auto;padding:28px;box-shadow:0 24px 100px #0008}dialog::backdrop{background:#050810d9}.dialog-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:17px}.dialog-head h2{font-size:29px}.dialog-head .eyebrow{margin-bottom:9px}#record-prompt{font-size:13px;margin-bottom:19px}.recorder-stage{text-align:center;padding:23px 0}.mic-orbit{width:68px;height:68px;border:1px solid var(--line);color:var(--gold);border-radius:50%;display:grid;place-items:center;font-size:25px;margin:0 auto 13px}.mic-orbit.recording{color:var(--rose);border-color:var(--rose);box-shadow:0 0 0 10px #e3a9a909}.time-display{font:36px var(--serif);font-variant-numeric:tabular-nums}#record-status{font-size:12px;margin-top:8px}#record-playback{width:100%;margin-top:18px}.record-notes{margin:20px 0}#record-dialog .fine{margin-top:18px}.empty{padding:35px;text-align:center;color:var(--muted)}.empty h3{color:var(--text);margin-bottom:10px}.empty .button{margin-top:18px}.workspace-head{display:flex;justify-content:space-between;gap:15px;align-items:center}.workspace-tabs{margin:20px 0}.suggestion{padding:15px;background:var(--bg);border:1px solid var(--line);border-radius:12px;margin:12px 0}.suggestion h3{font-size:14px;margin-bottom:6px}.suggestion p{font-size:13px;color:var(--muted)}.inline-status{font-size:12px;color:var(--green);margin-top:10px}.analysis-hint{border-left:2px solid var(--gold);padding:12px 15px;margin:10px 0;background:var(--bg);border-radius:0 10px 10px 0}.analysis-hint p{font-size:13px;color:var(--muted)}.analysis-hint strong{font-size:13px}.analysis-hint .tag{margin-bottom:7px}.toggle-row{display:flex;gap:12px;align-items:center;font-size:13px;color:var(--muted)}.toggle-row input{width:18px;height:18px;margin:0;accent-color:var(--gold)}.spaced{margin-top:20px}.small-list{padding-left:19px;color:var(--muted);font-size:13px}.small-list li{margin:8px 0}.round-badge{color:var(--green);font-size:12px}.family-count{color:var(--muted);font-size:12px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
@media(min-width:1600px){main,.topbar,.navigation,footer{max-width:1280px}}
@media(max-width:1279px){main,footer{margin:0 40px}.topbar,.navigation{padding-left:40px;padding-right:40px}}
@media(max-width:850px){.hero{grid-template-columns:1fr;gap:23px}.hero-art{min-height:160px}.hero-art h2{max-width:90%}.hero-art:after{width:150px;height:150px;right:10px;top:0}.grid-3,.pattern-grid{grid-template-columns:1fr 1fr}.lesson-layout{grid-template-columns:1fr}.hero-copy p{max-width:100%}.grid-2{gap:16px}}
@media(max-width:600px){body{font-size:14px}.topbar{padding:18px 18px 12px;gap:12px}.brand{font-size:16px}.brand small{font-size:8px}.brand-mark{width:36px;height:36px}.header-right{gap:9px}.points-pill{font-size:11px}.header-right .button{padding:8px 10px;font-size:11px}.navigation{padding:0 18px;gap:23px}.navigation a{font-size:12px;padding:13px 0}main{margin:0 18px;padding-top:27px}footer{margin:0 18px}.hero{margin-bottom:24px;gap:22px}.hero-copy h1{font-size:43px}.hero-copy p{font-size:14px;margin-top:16px}.hero-art{padding:22px}.hero-art h2{font-size:25px}.grid-3,.grid-2,.pattern-grid{grid-template-columns:1fr}.card{padding:21px}.mode-number{margin-bottom:11px}.panel-strip{align-items:flex-start;flex-direction:column;padding:19px}.page-head h1{font-size:35px}.page-head{margin-bottom:23px}.question{font-size:23px}.lesson-card{padding:22px}.lesson-card .principle{font-size:16px}.example{font-size:18px;padding:15px}.stats{gap:9px}.stat{padding:16px 12px}.stat .large-number{font-size:29px}.stat .muted{font-size:10px}.section-heading h2{font-size:24px}.reward-fields{grid-template-columns:1fr 75px}.reward-fields .button{grid-column:1/-1}.workspace-head{align-items:flex-start}.game-head{gap:10px}.tag{font-size:9px}.button{padding:11px 15px}dialog{padding:22px}.button-row .button{flex-grow:1}.game-shell .button-row .button{flex-grow:0}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

.guided-card{max-width:850px;margin:auto;padding:32px}.guided-card .principle{font-size:20px;line-height:1.7}.guided-card .example{margin-top:24px;font-size:24px}.lesson-picture{width:100%;max-width:480px;display:block;margin:24px auto}.path-steps{list-style:none;display:flex;gap:20px;padding:0;margin:0 0 24px;color:var(--muted);font-size:12px;flex-wrap:wrap}.path-steps .current{color:var(--gold);font-weight:700}.path-steps .done{color:var(--green)}.guided-card>a.spaced{display:block}.guided-card summary{cursor:pointer;color:var(--gold)}@media(max-width:600px){.guided-card{padding:23px}.guided-card .principle{font-size:17px}.guided-card .example{font-size:21px}.path-steps{gap:12px}}