@font-face{font-family:Jost;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/jost-latin-500-normal-41lBe9I9.woff2)format("woff2"),url(/assets/jost-latin-500-normal-B-AtzreL.woff)format("woff")}@font-face{font-family:Jost;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/jost-latin-600-normal-C497H-z9.woff2)format("woff2"),url(/assets/jost-latin-600-normal-Bv_M0d15.woff)format("woff")}@font-face{font-family:Jost;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/jost-latin-ext-600-normal-D8I9kjga.woff2)format("woff2"),url(/assets/jost-latin-ext-600-normal-Pm6OqGZB.woff)format("woff")}:root{--brand-crimson:#ae191e;--brand-crimson-deep:#9f1f24;--brand-cream:#fdebd1;--brand-gold:#d8b860;--brand-coral:#e9463f;--brand-red:#e60a20;--brand-orange:#e95505;--brand-yellow:#fbc50d;--ribbon:linear-gradient(90deg, var(--brand-coral) 0 25%, var(--brand-red) 25% 50%, var(--brand-orange) 50% 75%, var(--brand-yellow) 75%);--bg:#fbf6ef;--surface:#fff;--text:#2a1614;--muted:#6b524c;--line:#eadfcd;--primary:var(--brand-crimson);--primary-ink:#fff;--primary-soft:#f9e3df;--secondary:var(--brand-cream);--bar-bg:var(--brand-crimson);--bar-ink:var(--brand-cream);--danger:#b8231c;--ok:#2e7a47;--warn:#9a4a06;--radius:18px;--radius-sm:12px;--shadow-sm:0 1px 2px #4a20140f;--shadow:0 1px 2px #4a20140d, 0 6px 20px #4a201412;--shadow-lg:0 8px 32px #4a201429;--tabbar-h:64px;--font-cjk:"Source Han Sans SC", "Noto Sans CJK SC", "Noto Sans SC", "PingFang SC", "HarmonyOS Sans SC", "MiSans", "Microsoft YaHei", sans-serif;--font-body:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, var(--font-cjk);--font-display:"Jost", var(--font-cjk);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-size:18px}@media (prefers-color-scheme:dark){:root{--bg:#1a1110;--surface:#261917;--text:#f7ede4;--muted:#c4ada5;--line:#45302c;--primary:#f2756b;--primary-ink:#1a0d0c;--primary-soft:#4a2420;--secondary:#3a2420;--bar-bg:#5e1418;--bar-ink:var(--brand-cream);--danger:#ff8f85;--ok:#7bd08f;--warn:#f2b04b;--shadow-sm:none;--shadow:0 1px 2px #0000004d;--shadow-lg:0 8px 32px #00000080;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}@media (width>=900px){:root{font-size:19px}}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);font-family:var(--font-body);-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent;margin:0;line-height:1.5}a{color:var(--primary);text-underline-offset:3px}h1,h2,h3,.brand,.score,.prompt,legend{font-family:var(--font-display)}h1{color:var(--primary);letter-spacing:.02em;margin:.2em 0;font-size:1.6rem;font-weight:600;line-height:1.3}h2{margin:.3em 0;font-size:1.2rem;font-weight:600}h3{margin:0;font-size:1.08rem;font-weight:600}p{margin:.3em 0}section>h2{margin:0 0 10px}section>.card+.card{margin-top:12px}.container{max-width:960px;padding:20px 16px calc(40px + env(safe-area-inset-bottom));margin:0 auto}.stack{flex-direction:column;gap:18px;display:flex}.row{align-items:center;gap:10px;display:flex}.row.wrap{flex-wrap:wrap}.row.between{justify-content:space-between}.center{place-items:center;min-height:50vh;display:grid}.center-text{text-align:center}.muted{color:var(--muted)}.error{color:var(--danger)}.topbar{z-index:20;padding:calc(8px + env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) 12px max(16px, env(safe-area-inset-left));background:var(--bar-bg);color:var(--bar-ink);justify-content:space-between;align-items:center;gap:8px 16px;display:flex;position:sticky;top:0;box-shadow:0 2px 12px #500a0c2e}.topbar:after{content:"";background:var(--ribbon);height:4px;position:absolute;bottom:0;left:0;right:0}.brand{color:var(--bar-ink);letter-spacing:.04em;white-space:nowrap;align-items:center;gap:8px;font-size:1.15rem;font-weight:600;text-decoration:none;display:inline-flex}.brand .icon,.login .card h1 .icon{box-sizing:content-box;background:var(--brand-cream);border-radius:50%;padding:4px}.topnav{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:2px;display:flex}.topnav-item{min-height:44px;color:var(--bar-ink);font:inherit;cursor:pointer;white-space:nowrap;background:0 0;border:0;border-radius:999px;align-items:center;gap:6px;padding:8px 12px;font-size:.95rem;text-decoration:none;transition:background-color .15s;display:inline-flex}.topnav-item .nav-icon{opacity:.85;width:18px;height:18px}.topnav-item:hover{background:#ffffff1f}.topnav-item.active{background:var(--brand-cream);color:var(--brand-crimson);font-weight:600}.topnav-item.active .nav-icon{opacity:1}.nav-icon{flex:none;width:24px;height:24px}@media (width>=900px) and (width<=1199px){.topnav-item{padding:8px 10px}.topnav-item .nav-icon{display:none}}.tabbar,.sheet,.sheet-backdrop{display:none}@media (width<=899px){.topbar{padding-top:calc(10px + env(safe-area-inset-top));box-shadow:none;padding-bottom:14px;position:relative}.brand{font-size:1.05rem}.topnav{display:none}.container{padding-bottom:calc(var(--tabbar-h) + 32px + env(safe-area-inset-bottom))}.tabbar{z-index:30;padding:6px max(6px, env(safe-area-inset-right)) calc(6px + env(safe-area-inset-bottom)) max(6px, env(safe-area-inset-left));background:var(--surface);border-top:1px solid var(--line);display:flex;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -4px 20px #4a20140f}.tab{min-width:0;min-height:calc(var(--tabbar-h) - 12px);cursor:pointer;color:var(--muted);font:inherit;touch-action:manipulation;background:0 0;border:0;flex-direction:column;flex:1 1 0;justify-content:center;align-items:center;gap:2px;padding:4px 2px;font-size:.75rem;font-weight:600;text-decoration:none;display:flex;position:relative}.tab span:not(.badge){white-space:nowrap;text-overflow:ellipsis;max-width:100%;overflow:hidden}.tab .nav-icon{border-radius:999px;width:56px;height:30px;padding:3px 16px;transition:background-color .15s}.tab.active{color:var(--primary)}.tab.active .nav-icon{background:var(--primary-soft)}.tab .badge{margin:0;position:absolute;top:2px;left:calc(50% + 8px)}.sheet-backdrop{z-index:25;background:#1e0a0859;display:block;position:fixed;inset:0}.sheet{z-index:26;left:8px;right:8px;bottom:calc(var(--tabbar-h) + env(safe-area-inset-bottom) + 8px);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-lg);flex-direction:column;gap:2px;padding:8px;animation:.18s ease-out 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var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}a.card{color:inherit;text-decoration:none}.card.task{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;display:flex}.card.task h3{font-size:1.15rem}.card.done{box-shadow:var(--shadow-sm)}.card.banner{background:var(--secondary);border-color:var(--brand-gold);box-shadow:none;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}@media (width<=559px){.card.task>.btn,.card.task>.row{width:100%}.card.task>.row>.btn{flex:1}}.btn{border-radius:var(--radius-sm);min-height:48px;font:inherit;cursor:pointer;touch-action:manipulation;word-break:keep-all;border:1px solid #0000;justify-content:center;align-items:center;gap:6px;padding:10px 20px;font-weight:600;text-decoration:none;transition:background-color .15s,box-shadow .15s,transform .1s,filter .15s;display:inline-flex}.btn:active:not(:disabled){transform:scale(.98)}.btn:disabled{opacity:.5;cursor:default}.btn.disabled{opacity:.5;pointer-events:none}label.btn{cursor:pointer}label.check.content-pick{flex:1;align-items:flex-start;gap:10px;display:flex}.content-pick input{flex-shrink:0;width:20px;height:20px;margin-top:4px}.content-pick h3{margin:0 0 4px}.btn-primary{background:var(--primary);color:var(--primary-ink);box-shadow:0 2px 8px #ae191e40}.btn-primary:hover:not(:disabled){filter:brightness(1.08);box-shadow:0 4px 14px #ae191e4d}.btn-secondary{background:var(--secondary);color:var(--text);border-color:color-mix(in srgb, var(--brand-gold) 70%, transparent)}.btn-secondary:hover:not(:disabled){border-color:var(--brand-gold);filter:brightness(.98)}.btn-danger{color:var(--danger);border-color:var(--danger);background:0 0}.btn-danger:hover:not(:disabled){background:color-mix(in srgb, var(--danger) 8%, transparent)}.btn-large{border-radius:16px;min-height:60px;padding:12px 28px;font-size:1.15rem}.btn-block{width:100%}.btn-link{color:var(--primary);font:inherit;cursor:pointer;text-underline-offset:3px;background:0 0;border:none;padding:6px 8px}.file-btn{min-height:44px}input:focus-visible,select:focus-visible,button:focus-visible,a:focus-visible{outline:3px solid var(--brand-yellow);outline-offset:2px}input,select{font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);width:100%;min-height:48px;padding:10px 14px;transition:border-color .15s,box-shadow .15s}input:hover,select:hover{border-color:color-mix(in srgb, var(--brand-gold) 60%, var(--line))}input:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft);outline:none}input:focus-visible,select:focus-visible{outline:none}input[type=radio],input[type=checkbox]{width:22px;height:22px;min-height:0;accent-color:var(--primary);box-shadow:none}.form-grid{flex-direction:column;gap:14px;display:flex}.form-grid label,.field{flex-direction:column;gap:6px;font-weight:600;display:flex}.form-grid label.check,label.check{flex-direction:row;align-items:center;gap:8px;font-weight:400}fieldset{border:1px solid var(--line);border-radius:var(--radius-sm);flex-direction:column;gap:10px;padding:12px 14px;display:flex}legend{padding:0 4px;font-weight:600}.option-edit{border-bottom:1px dashed var(--line);grid-template-columns:auto 1fr;align-items:center;gap:8px;padding-bottom:8px;display:grid}.option-edit>:nth-child(n+3){grid-column:2}.media-input{flex-wrap:wrap;align-items:center;gap:8px;font-weight:400;display:flex}.media-input input{flex:180px;width:auto}.media-input audio{max-width:100%}.login{background:radial-gradient(120% 60% at 50% 0%, color-mix(in srgb, var(--brand-cream) 70%, transparent), transparent 70%), var(--bg);place-items:center;min-height:100vh;padding:16px;display:grid}.login .card{background:var(--secondary);border:3px solid var(--primary);width:min(420px,100%);box-shadow:inset 0 0 0 3px var(--secondary), inset 0 0 0 5px var(--brand-gold), var(--shadow-lg);border-radius:22px;flex-direction:column;gap:14px;padding:0 22px 24px;display:flex;overflow:hidden}.login .card h1{background:var(--bar-bg);color:var(--bar-ink);text-align:center;margin:0 -22px 4px;padding:20px 22px 22px;position:relative}.login .card h1:after{content:"";background:var(--ribbon);height:4px;position:absolute;bottom:0;left:0;right:0}.login label{flex-direction:column;gap:6px;font-weight:600;display:flex}.training{flex-direction:column;gap:14px;max-width:720px;margin:0 auto;display:flex}.training-question,.training-footer{flex-direction:column;gap:14px;display:flex}.training-question:focus{outline:none}.training-head{justify-content:space-between;align-items:center;gap:12px;min-height:44px;display:flex}.training-exit{min-height:44px;color:var(--muted);background:var(--surface);border:1px solid var(--line);border-radius:999px;align-items:center;gap:4px;padding:6px 14px 6px 10px;font-size:.95rem;font-weight:600;text-decoration:none;display:inline-flex}.training-exit .nav-icon{width:20px;height:20px}.training-count{color:var(--muted);font-family:var(--font-display);margin-left:auto}.training-count b{color:var(--text);font-size:1.2em}.training-title{margin-top:-4px;font-size:.95rem}.progress{background:var(--secondary);border-radius:999px;height:10px;overflow:hidden}.progress>div{background:linear-gradient(90deg, var(--brand-crimson), var(--brand-coral) 55%, var(--brand-orange) 80%, var(--brand-yellow));background-size:720px 100%;border-radius:999px;height:100%;transition:width .3s}.exercise{text-align:center;flex-direction:column;align-items:center;gap:16px;display:flex}.prompt{font-size:1.5rem}.big-text{letter-spacing:.05em;font-size:1.8rem;font-weight:600}.picture{display:block}.picture-lg{object-fit:contain;width:min(60vw,260px);height:min(60vw,260px)}.picture-md{object-fit:contain;width:min(26vw,120px);height:min(26vw,120px)}.picture-wide{width:min(100%,700px);height:auto}img.picture-lg{border-radius:var(--radius-sm);width:auto;max-width:100%;height:auto;max-height:min(40vh,260px)}.options-images .option{padding:6px}.options-images img.picture-md{aspect-ratio:4/3;object-fit:contain;border-radius:10px;width:100%;height:auto}.picture-sm{object-fit:contain;width:56px;height:56px}.picture-emoji{place-items:center;line-height:1;display:grid}.picture-lg.picture-emoji{font-size:min(40vw,170px)}.picture-md.picture-emoji{font-size:min(18vw,80px)}.picture-sm.picture-emoji{font-size:40px}.emoji-img{width:1em;height:1em}.options{grid-template-columns:1fr;gap:12px;width:100%;display:grid}@media (width>=560px){.options{grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}}.options-images{grid-template-columns:repeat(auto-fill,minmax(min(40vw,190px),1fr))}.options-compact{grid-template-columns:repeat(auto-fit,minmax(52px,1fr))}.option{min-height:72px;font:inherit;color:var(--text);background:var(--surface);border:2px solid var(--line);border-radius:var(--radius);cursor:pointer;touch-action:manipulation;box-shadow:var(--shadow-sm);flex-direction:column;justify-content:center;align-items:center;gap:6px;padding:10px;font-size:1.4rem;font-weight:600;transition:border-color .15s,background-color .15s,transform .1s,box-shadow .15s;display:flex}.option:hover:not(:disabled){border-color:color-mix(in srgb, var(--primary) 40%, var(--line));box-shadow:var(--shadow)}.option:active:not(:disabled){transform:scale(.98)}.option.selected{border-color:var(--primary);background:var(--primary-soft);box-shadow:0 0 0 3px color-mix(in srgb, var(--primary) 15%, transparent)}.option-multi{position:relative}.option-multi:after{content:"";border:2px solid var(--line);background:var(--surface);text-align:center;border-radius:7px;width:24px;height:24px;font-size:18px;line-height:20px;position:absolute;top:8px;right:8px}.option-multi.selected:after{content:"✓";border-color:var(--primary);background:var(--primary);color:var(--primary-ink)}.demo-video{border-radius:var(--radius);background:#000;width:100%;max-width:640px;max-height:60vh}.option:disabled{cursor:default}.blank-input{font:inherit;border:none;border-bottom:3px solid var(--primary);width:4.5em;min-height:0;color:var(--primary);text-align:center;background:0 0;border-radius:0;margin:0 4px;padding:2px 4px}.blank-input:focus{box-shadow:none;background:var(--primary-soft)}.text-prompt{white-space:pre-wrap}.text-prompt.passage{text-align:left;font-size:1.3rem;line-height:2.2}.text-answer{font:inherit;border:2px solid var(--line);border-radius:var(--radius-sm);width:100%;padding:12px;font-size:1.6rem}.blank{border-bottom:3px solid var(--primary);min-width:2.5em;color:var(--primary);margin:0 4px;display:inline-block}.sentence-line{border:2px dashed var(--line);border-radius:var(--radius);background:color-mix(in srgb, var(--secondary) 35%, transparent);flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;width:100%;min-height:72px;padding:10px;display:flex}.chips{flex-wrap:wrap;justify-content:center;gap:10px;display:flex}.chip{font:inherit;border-radius:var(--radius-sm);border:2px solid var(--line);background:var(--surface);min-width:56px;min-height:56px;color:var(--text);cursor:pointer;box-shadow:var(--shadow-sm);padding:8px 16px;font-size:1.4rem;font-weight:600;transition:transform .1s}.chip:active{transform:scale(.96)}.chip-placed{background:var(--primary-soft);border-color:var(--primary)}.recorder{flex-direction:column;align-items:center;gap:12px;width:100%;display:flex}.recorder audio{width:100%;max-width:360px}.btn-record{background:var(--primary);min-width:220px;min-height:72px;color:var(--primary-ink);border-radius:999px;font-size:1.3rem;box-shadow:0 4px 16px #ae191e4d}.btn-record.recording{background:var(--danger);color:#fff;animation:1.2s infinite pulse}@keyframes pulse{50%{transform:scale(1.04);box-shadow:0 0 0 10px #b8231c26}}.feedback{text-align:center;border-radius:var(--radius);justify-content:center;align-items:center;gap:8px;padding:16px;font-size:1.3rem;font-weight:700;animation:.25s ease-out pop;display:flex}.feedback-correct{background:color-mix(in srgb, var(--ok) 15%, var(--surface));color:var(--ok)}.feedback-wrong{background:color-mix(in srgb, var(--warn) 14%, var(--surface));color:var(--warn)}.feedback-recorded{background:var(--secondary)}@keyframes pop{0%{opacity:0;transform:scale(.96)}}.result{box-shadow:var(--shadow)}.result .score{color:var(--primary);font-size:4rem;font-weight:600;line-height:1.1}.note{text-align:left;font:inherit;color:inherit;cursor:pointer;flex-direction:column;gap:4px;width:100%;display:flex}.note.read{opacity:.7;box-shadow:var(--shadow-sm)}.memory-grid{grid-template-columns:repeat(3,1fr);gap:10px;width:100%;max-width:480px;margin:0 auto;display:grid}@media (width>=560px){.memory-grid{grid-template-columns:repeat(4,1fr)}}.memory-card{aspect-ratio:1;border-radius:var(--radius);border:3px solid var(--brand-gold);background:var(--brand-crimson);color:var(--brand-cream);cursor:pointer;font-size:2.4rem;font-family:var(--font-display);box-shadow:var(--shadow);transition:transform .15s}.memory-card:active:not(:disabled){transform:scale(.96)}.memory-card.shown{background:var(--surface);color:var(--text)}.celebrate{flex-direction:column;align-items:center;gap:12px;margin-top:16px;font-size:1.4rem;font-weight:700;display:flex}.table-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow-x:auto}.card .table-wrap{box-shadow:none;background:0 0;border:0;border-radius:0}table{border-collapse:collapse;width:100%;font-size:.95rem}th,td{text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;padding:10px 12px}tr:last-child>td{border-bottom:0}th{color:var(--muted);background:color-mix(in srgb, var(--secondary) 45%, var(--surface));border-bottom:1px solid var(--line);font-size:.85rem;font-weight:600}.card th{border-bottom:2px solid var(--brand-gold);background:0 0}tbody tr:hover>td{background:color-mix(in srgb, var(--secondary) 25%, transparent)}.review{flex-direction:column;gap:10px;display:flex}.review-video{background:#000;border-radius:8px;width:200px;max-width:100%}.review audio{width:100%;max-width:420px}.preview{border-color:var(--primary)}.preview-banner{border-color:var(--brand-gold,var(--primary))}.picker{flex-direction:column;gap:8px;font-weight:400;display:flex;position:relative}.picker-list{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);max-height:280px;margin:0;padding:4px;list-style:none;overflow-y:auto}.picker-option{cursor:pointer;border-radius:8px;justify-content:space-between;align-items:center;gap:8px;min-height:44px;padding:10px;display:flex}.picker-option.check{justify-content:flex-start}.picker-option.check small{margin-left:auto}.picker-option:hover{background:var(--secondary)}.picker-more{padding:10px;font-size:.9rem}.picker-chips{flex-wrap:wrap;gap:6px;display:flex}.picker-chip{font:inherit;border:1px solid var(--primary);background:var(--primary-soft);color:var(--text);cursor:pointer;border-radius:999px;padding:4px 12px;font-size:.9rem}.picker-actions{gap:4px 12px;font-size:.9rem}.hours-input{width:110px}.icon{vertical-align:-.22em;flex:none;width:1.2em;height:1.2em}.icon-sm{vertical-align:0;width:.8em;height:.8em}.memory-card .icon{vertical-align:middle;width:1.4em;height:1.4em}@media (prefers-reduced-motion:reduce){*,:before,:after{transition:none!important;animation:none!important}}