:root{--paper:#f8f3e8;--paper-deep:#efe6d2;--ink:#173a38;--muted:#6e7772;--green:#145c58;--green-dark:#0d4845;--coral:#ef8a52;--yellow:#f4c95d;--white:#fffdf8;--card:#fffdf8f0;--red:#b9483f;--shadow:0 22px 60px #28372e1f}*{box-sizing:border-box}html,body{min-height:100%}body{color:var(--ink);background:radial-gradient(circle at 8% 12%, #f4c95d42, transparent 23rem), radial-gradient(circle at 92% 86%, #145c581f, transparent 28rem), var(--paper);-webkit-font-smoothing:antialiased;margin:0;font-family:Noto Sans SC,PingFang SC,Microsoft YaHei,system-ui,sans-serif}button,input,textarea{font:inherit}button{-webkit-tap-highlight-color:transparent}.app-shell{width:min(100%,980px);min-height:100dvh;padding:max(24px, env(safe-area-inset-top)) clamp(20px, 5vw, 56px) max(30px, env(safe-area-inset-bottom));margin:0 auto}.centered{place-items:center;display:grid}.loading-mark{color:var(--green);margin:auto;font-size:48px;font-weight:900}.welcome-card,.capture-panel,.question-card,.method-card{box-shadow:var(--shadow);background:#fffdf8f0;border:1px solid #173a381a;border-radius:32px}.welcome-card{text-align:center;width:min(100%,520px);padding:clamp(28px,6vw,52px)}.role-card{width:min(100%,680px)}.role-grid{grid-template-columns:repeat(2,1fr);gap:16px;margin-top:30px;display:grid}.role-option{min-height:130px;color:var(--ink);cursor:pointer;background:#fff;border:2px solid #d8d4c6;border-radius:22px;padding:24px 18px}.role-option.child{background:#eef8f5;border-color:#82aaa4}.role-option span{margin-bottom:8px;font-size:26px;font-weight:900;display:block}.role-option small{color:var(--muted);font-size:15px}.role-option:hover{border-color:var(--coral);transform:translateY(-2px)}.brand-mark,.mini-brand{color:#fff;background:var(--green);letter-spacing:-.04em;place-items:center;font-weight:900;display:grid}.brand-mark{border-radius:28px;width:88px;height:88px;margin:0 auto 28px;font-size:30px;transform:rotate(-3deg)}.mini-brand{border-radius:18px;width:54px;height:54px;font-size:18px}.eyebrow{color:var(--coral);letter-spacing:.15em;text-transform:uppercase;margin:0 0 10px;font-size:14px;font-weight:900}h1{letter-spacing:-.04em;margin:0;font-size:clamp(30px,5vw,48px);line-height:1.18}.lead{color:var(--muted);margin:14px 0 28px;font-size:clamp(16px,2.4vw,20px);line-height:1.7}.access-input,.text-answer,.writing-answer{border:2px solid var(--paper-deep);width:100%;color:var(--ink);background:#fff;border-radius:18px;outline:none;transition:border-color .16s,box-shadow .16s}.access-input{text-align:center;height:64px;padding:0 20px;font-size:20px;font-weight:750}.text-answer{height:64px;padding:0 20px;font-size:20px}.writing-answer{resize:vertical;min-height:190px;padding:18px 20px;font-size:19px;line-height:1.65}.access-input:focus,.text-answer:focus,.writing-answer:focus{border-color:var(--green);box-shadow:0 0 0 4px #145c581f}.word-count{color:var(--muted);text-align:right;margin-top:8px;font-size:14px}.primary-button,.secondary-button{cursor:pointer;border:0;border-radius:20px;width:100%;min-height:64px;font-size:19px;font-weight:900;transition:transform .12s,opacity .12s,background .12s}.primary-button{color:#fff;background:var(--green);margin-top:22px;box-shadow:0 12px 24px #145c5833}.primary-button:hover:not(:disabled){background:var(--green-dark)}.primary-button:active:not(:disabled),.secondary-button:active{transform:scale(.985)}.primary-button:disabled{opacity:.42;cursor:not-allowed;box-shadow:none}.secondary-button{color:var(--green);background:var(--paper-deep);margin-top:24px}.error-message{color:var(--red);background:#fff0ed;border-radius:14px;margin:18px 0 0;padding:14px 18px;font-weight:750;line-height:1.5}.topbar{align-items:center;gap:15px;margin-bottom:clamp(24px,5vw,44px);display:flex}.topbar div:last-child{flex-direction:column;gap:4px;display:flex}.topbar strong{font-size:20px}.topbar span{color:var(--muted);font-size:14px}.capture-panel{padding:clamp(26px,6vw,54px)}.pending-publish-card{background:#fff8dc;border:2px solid #efd47b;border-radius:19px;flex-direction:column;gap:7px;margin:22px 0 8px;padding:20px;display:flex}.pending-publish-card strong{color:#765b20;font-size:19px}.pending-publish-card span{color:var(--green);font-weight:850}.pending-publish-card p{color:var(--muted);margin:2px 0 0;line-height:1.5}.pending-publish-card .primary-button{margin-top:10px}.pending-discard-button{color:var(--muted);cursor:pointer;background:0 0;border:0;align-self:center;padding:9px 13px;font-weight:750;text-decoration:underline}.pending-discard-button:disabled{opacity:.5;cursor:wait}.upload-grid{grid-template-columns:repeat(2,1fr);gap:18px;margin:30px 0 8px;display:grid}.upload-grid.single-purpose{grid-template-columns:1fr}.upload-card{cursor:pointer;background:#fffefb;border:2px dashed #c8c7b9;border-radius:22px;align-items:center;gap:18px;min-height:130px;padding:22px;transition:border-color .16s,transform .16s,background .16s;display:flex;position:relative}.upload-card:hover{border-color:var(--green);transform:translateY(-2px)}.upload-card:focus{outline:none}.upload-card.paste-active{border-color:var(--coral);background:#fff9f3;box-shadow:0 0 0 4px #ef8a521f}.upload-card.has-photo{background:#f2faf7;border-style:solid;border-color:#72a29a}.upload-card.has-photo.paste-active{border-color:var(--coral)}.upload-card input{opacity:0;pointer-events:none;width:1px;height:1px;position:absolute}.upload-icon{width:52px;height:52px;color:var(--green);background:var(--yellow);border-radius:17px;flex:none;place-items:center;font-size:23px;font-weight:950;display:grid}.has-photo .upload-icon{color:#fff;background:var(--green)}.upload-copy{flex-direction:column;gap:7px;display:flex}.upload-copy strong{font-size:18px}.upload-copy small{color:var(--muted);font-size:14px;line-height:1.4}.privacy-note{color:var(--muted);text-align:center;margin:14px 0 0;font-size:13px}.paste-box{background:#f4f0e5;border-radius:20px;margin:20px 0 4px;padding:20px}.paste-box label{margin-bottom:10px;font-size:17px;font-weight:850;display:block}.paste-box textarea{width:100%;min-height:132px;color:var(--ink);resize:vertical;background:#fff;border:2px solid #ded9c9;border-radius:16px;outline:none;padding:15px 17px;font-size:17px;line-height:1.65}.paste-box textarea:focus{border-color:var(--green);box-shadow:0 0 0 4px #145c581a}.paste-box small{color:var(--muted);margin-top:8px;font-size:13px;display:block}.paste-box small.ready-copy{color:var(--green);font-weight:800}.lesson-shell{padding-top:max(18px, env(safe-area-inset-top))}.lesson-nav{justify-content:space-between;gap:12px;margin:0 2px 16px;display:flex}.lesson-nav button{min-height:46px;color:var(--green);cursor:pointer;background:#fffdf8e6;border:1px solid #d7d3c6;border-radius:14px;padding:9px 16px;font-size:15px;font-weight:850}.lesson-nav button:active:not(:disabled){transform:scale(.97)}.lesson-nav button:disabled{opacity:.38;cursor:default}.lesson-header{justify-content:space-between;align-items:center;gap:20px;margin:0 2px 24px;display:flex}.lesson-header>div:first-child{flex-direction:column;gap:4px;display:flex}.lesson-header span{color:var(--coral);font-size:14px;font-weight:900}.lesson-header strong{font-size:20px}.progress-dots{gap:7px;display:flex}.progress-dots span{background:#d9d6ca;border-radius:9px;width:28px;height:7px}.progress-dots span.done{background:var(--green)}.question-card{padding:clamp(25px,6vw,54px)}.question-number{color:var(--green);background:#e7f2ee;border-radius:99px;margin-bottom:18px;padding:8px 13px;font-size:14px;font-weight:900;display:inline-block}.question-card h1{max-width:820px;font-size:clamp(24px,4vw,38px);line-height:1.38}.word-tap{color:#0c625f;text-underline-offset:4px;cursor:pointer;background:linear-gradient(#0000 72%,#f4c95d8c 72%);border-radius:5px;padding:0 2px;-webkit-text-decoration:underline dotted #0c625f7a;text-decoration:underline dotted #0c625f7a;display:inline}.word-tap:focus{outline-offset:2px;outline:3px solid #ef8a5266}.word-help{color:var(--muted);margin:12px 0 0;font-size:14px;font-weight:700}.word-result{background:#fff8dc;border:2px solid #edd084;border-radius:16px;flex-wrap:wrap;align-items:baseline;gap:5px 10px;margin:16px 0 0;padding:14px 17px;line-height:1.5;display:flex}.word-result strong{color:var(--green);font-size:21px}.word-result span{font-size:17px;font-weight:800}.word-result small{color:#6f684f;flex-basis:100%;font-size:14px}.word-result em{color:var(--green);flex-basis:100%;font-size:13px;font-style:normal;font-weight:800}.word-result.has-error{color:var(--red);background:#fff0ed;border-color:#efb0a8}.speak-button{color:#fff;background:var(--green);cursor:pointer;border:0;border-radius:12px;min-height:40px;padding:7px 13px;font-size:14px;font-weight:850}.speak-button:active:not(:disabled){transform:scale(.97)}.speak-button:disabled{opacity:.5;cursor:default}.hint-box{border-left:5px solid var(--yellow);background:#fff8dc;border-radius:4px 16px 16px 4px;margin:24px 0;padding:18px 20px;font-size:17px;line-height:1.6}.hint-box span{color:#866319;margin-bottom:4px;font-size:13px;font-weight:900;display:block}.hint-box small{color:#6f684f;margin-top:8px;font-size:14px;line-height:1.55;display:block}.answer-list{gap:12px;margin-top:26px;display:grid}.answer-option{min-height:66px;color:var(--ink);text-align:left;background:#fff;border:2px solid #dedbd1;border-radius:17px;align-items:stretch;gap:13px;padding:10px 14px;font-size:clamp(16px,2.2vw,19px);font-weight:680;line-height:1.45;display:flex}.answer-option:hover:not(.disabled){border-color:#84a8a2}.answer-option.selected{border-color:var(--green);box-shadow:inset 0 0 0 1px var(--green);background:#eaf5f1}.answer-option.disabled{opacity:.78}.answer-choice-letter{color:#fff;background:var(--green);cursor:pointer;border:0;border-radius:14px;flex:0 0 44px;align-self:center;width:44px;height:44px;font-size:18px;font-weight:950}.answer-choice-letter:disabled{cursor:default;opacity:.72}.answer-choice-text{cursor:pointer;flex:1;align-items:center;padding:5px 2px;display:flex}.answer-option.disabled .answer-choice-text{cursor:default}.result-box{border-radius:18px;margin:24px 0 4px;padding:20px;line-height:1.6}.result-box.correct{color:#205d3d;background:#e8f5ec}.result-box.incorrect{color:#843a33;background:#fff0ed}.result-box strong{margin-bottom:5px;font-size:20px;display:block}.result-box p{margin:0}.result-box blockquote{background:#ffffff8c;border-left:4px solid;border-radius:6px;margin:13px 0 0;padding:12px 15px;font-style:normal}.vocabulary-question h1{color:var(--green);font-size:clamp(42px,8vw,68px)}.vocabulary-question>.speak-button{margin-top:12px}.vocabulary-prompt{color:var(--muted);margin:10px 0 18px;font-size:18px;font-weight:750}.vocabulary-question>blockquote{border-left:5px solid var(--yellow);background:#fff8dc;border-radius:5px 16px 16px 5px;margin:0;padding:16px 18px;font-size:17px;font-style:normal;line-height:1.65}.vocabulary-complete{color:var(--green);background:#e7f2ee;border-radius:99px;margin:-10px 0 12px;padding:10px 14px;font-weight:850;display:inline-block}.practice-shell{padding-top:max(18px, env(safe-area-inset-top))}.practice-hub,.writing-practice{background:var(--card);box-shadow:var(--shadow);border-radius:28px;padding:clamp(26px,6vw,54px)}.practice-menu{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:24px;display:grid}.practice-menu>button{border:2px solid var(--paper-deep);min-height:112px;color:var(--ink);text-align:left;cursor:pointer;background:#fff;border-radius:20px;grid-template-rows:auto auto;grid-template-columns:52px 1fr;gap:4px 14px;padding:20px;display:grid}.practice-menu>button:hover{border-color:var(--green)}.practice-menu>button:disabled{opacity:.5}.practice-menu span{grid-row:1/3;align-self:center;font-size:32px}.practice-menu strong{align-self:end;font-size:19px}.practice-menu small{color:var(--muted);font-size:14px}.practice-menu>button.writing-photo-entry{grid-column:1/-1}.resume-practice{color:#fff;background:var(--green);text-align:left;cursor:pointer;border:0;border-radius:18px;grid-template-rows:auto auto;grid-template-columns:48px 1fr;gap:3px 13px;width:100%;margin-top:20px;padding:16px 18px;display:grid}.resume-practice span{grid-row:1/3;align-self:center;font-size:28px}.resume-practice strong{align-self:end;font-size:18px}.resume-practice small{color:#ffffffd1}.resume-practice:disabled{opacity:.55}.preparing{color:var(--green);text-align:center;margin:20px 0 0;font-weight:850}.practice-title{margin:12px 0 24px}.practice-title h1{margin-bottom:14px}.syllabus-list,.wrong-list{gap:15px;display:grid}.syllabus-card,.wrong-card,.empty-card{background:#fff;border:1px solid #dedbd1;border-radius:22px;justify-content:space-between;align-items:center;gap:22px;padding:24px;display:flex;box-shadow:0 8px 22px #2f2d260f}.syllabus-card>div,.wrong-card>div{flex-direction:column;gap:7px;min-width:0;display:flex}.syllabus-card span,.wrong-card span{color:var(--coral);font-size:13px;font-weight:900}.syllabus-card h2,.wrong-card h2,.empty-card h2{margin:0;font-size:21px;line-height:1.35}.syllabus-card p,.wrong-card p,.empty-card p{color:var(--muted);margin:0;line-height:1.5}.syllabus-card small,.wrong-card small{color:var(--muted);line-height:1.4}.syllabus-card button,.wrong-card button,.archive-toggle{color:#fff;background:var(--green);cursor:pointer;border:0;border-radius:14px;flex:none;min-height:48px;padding:10px 16px;font-weight:850}.archive-toggle{color:var(--green);background:var(--paper-deep)}.practice-question-card{background:var(--card);box-shadow:var(--shadow);border-radius:28px;padding:clamp(24px,5vw,48px)}.practice-question-card h1{margin:0;font-size:clamp(22px,3.6vw,33px);line-height:1.45}.reading-passage{white-space:pre-wrap;background:#f4f0e5;border-radius:18px;max-height:45vh;margin:0 0 28px;padding:22px;font-size:18px;line-height:1.78;overflow-y:auto}.practice-word{color:inherit;font:inherit;text-underline-offset:3px;cursor:pointer;background:linear-gradient(#0000 75%,#f4c95d8c 75%);border:0;border-radius:3px;margin:0;padding:0 1px;-webkit-text-decoration:underline dotted #0c625f80;text-decoration:underline dotted #0c625f80;display:inline}.practice-option{width:100%;min-height:64px;color:var(--ink);text-align:left;cursor:pointer;background:#fff;border:2px solid #dedbd1;border-radius:17px;align-items:flex-start;gap:13px;padding:12px 15px;font-size:17px;line-height:1.5;display:flex}.practice-choice-letter{color:#fff;background:var(--green);cursor:pointer;border:0;border-radius:13px;flex:0 0 46px;place-items:center;width:46px;height:46px;font-size:17px;font-weight:900;display:grid}.practice-choice-letter:disabled{opacity:.78;cursor:default}.practice-option.selected{border-color:var(--green);background:#eaf5f1}.practice-option:disabled{opacity:.78;cursor:default}.practice-option span{padding-top:7px}.answer-help{color:var(--muted);margin:16px 0 9px;font-weight:750;display:block}.feedback-focus-card{background:#fff8dc;border:2px solid #efd47b;border-radius:19px;margin:0 0 18px;padding:18px 20px}.feedback-focus-card>span{color:#8b5d13;letter-spacing:.04em;font-size:13px;font-weight:900}.feedback-focus-card h3{margin:6px 0;font-size:20px}.feedback-focus-card>p{margin:6px 0;line-height:1.55}.feedback-focus-card ul{gap:8px;margin:13px 0 0;padding:0;list-style:none;display:grid}.feedback-focus-card li{background:#ffffffc7;border-radius:12px;gap:3px;padding:10px 12px;display:grid}.feedback-focus-card li small{color:var(--muted);line-height:1.45}.feedback-focus-card .feedback-focus-advice{color:#5f4b1c;margin-top:12px;font-weight:750}.writing-practice>h2{font-size:clamp(20px,3vw,28px);line-height:1.5}.writing-practice blockquote{border-left:5px solid var(--yellow);white-space:pre-wrap;background:#fff8dc;border-radius:5px 16px 16px 5px;margin:18px 0;padding:20px;font-size:17px;line-height:1.7}.writing-practice li{margin:8px 0;line-height:1.5}.writing-choice{grid-template-columns:1fr 1fr;gap:10px;margin:20px 0;display:grid}.writing-choice button{border:2px solid var(--paper-deep);min-height:52px;color:var(--ink);background:#fff;border-radius:15px;font-size:17px;font-weight:850}.writing-choice button.selected{border-color:var(--green);color:var(--green);background:#eaf5f1}.writing-guide{background:#f3faf7;border:2px solid #d8e7e2;border-radius:22px;margin:24px 0;padding:clamp(20px,4vw,30px)}.writing-guide .guide-label{color:var(--coral);letter-spacing:.08em;margin:0 0 5px;font-size:13px;font-weight:900}.writing-guide h3{color:var(--green);margin:0 0 18px;font-size:24px}.writing-guide h4{margin:20px 0 10px;font-size:17px}.writing-guide ul,.writing-guide ol{margin:8px 0;padding-left:23px}.writing-guide li{margin:7px 0}.guide-purpose{background:#fff;border-radius:14px;padding:14px 16px}.guide-purpose p{margin:5px 0 0;line-height:1.55}.guide-columns{grid-template-columns:1fr 1fr;gap:16px;display:grid}.writing-plan-steps>li{margin-bottom:14px}.writing-plan-steps>li>strong{color:var(--ink);display:block}.step-examples{gap:6px;margin-top:7px;display:grid}.step-examples span{border-left:3px solid var(--yellow);color:#385654;background:#fff;border-radius:4px 9px 9px 4px;padding:8px 10px;font-size:14px;line-height:1.45;display:block}.language-chips{flex-wrap:wrap;gap:8px;display:flex}.language-chips span{color:#194f4c;background:#fff;border:1px solid #bdd8d0;border-radius:10px;padding:8px 11px;font-size:14px}.pitfall-list li::marker{color:var(--coral)}.model-answer{background:#fff;border-radius:15px;margin-top:22px;overflow:hidden}.model-answer summary{color:var(--green);cursor:pointer;padding:15px 17px;font-weight:900}.model-answer p{white-space:pre-wrap;margin:0;padding:2px 17px 14px;font-size:16px;line-height:1.7}.model-answer small{color:#765b20;background:#fff8dc;padding:12px 17px;line-height:1.5;display:block}.writing-feedback{background:#fff8dc;border-radius:18px;margin:20px 0;padding:20px}.writing-feedback.complete{background:#e8f5ec}.writing-feedback h3,.writing-feedback h4{margin:0 0 12px}.expression-mission-preview{gap:10px;margin-top:20px;display:grid}.expression-mission-preview>h4{margin-bottom:0}.expression-mission-preview>div{background:#fff;border:1px solid #bdd8d0;border-radius:14px;gap:6px;padding:14px;display:grid}.expression-mission-preview strong{color:var(--green-dark);font-size:17px;line-height:1.45}.expression-mission-preview small{color:var(--muted);line-height:1.5}.expression-practice{background:#eef8f5;gap:14px;display:grid}.expression-practice>p{color:var(--muted);margin:-4px 0 0;line-height:1.5}.expression-practice>div{background:#fff;border-radius:14px;gap:7px;padding:14px;display:grid}.expression-practice>div>small{color:var(--muted);line-height:1.45}.expression-practice textarea.text-answer{resize:vertical;height:auto;min-height:82px;padding:12px 14px;font-size:16px;line-height:1.5}.expression-usage{gap:9px;margin:15px 0;display:grid}.expression-usage>div{background:#ffffffc7;border-radius:13px;gap:5px;padding:12px 14px;display:grid}.expression-usage p,.expression-usage small{margin:0;line-height:1.5}.expression-usage small{color:var(--muted)}.writing-photo-panel,.writing-photo-result{background:var(--card);box-shadow:var(--shadow);border-radius:28px;padding:clamp(26px,6vw,54px)}.writing-photo-grid{grid-template-columns:1fr 1fr;gap:16px;margin:24px 0 6px;display:grid}.writing-photo-upload{background:#fff;border:2px dashed #c8c7b9;border-radius:20px;gap:12px;min-height:148px;padding:20px;display:grid;position:relative}.writing-photo-upload.ready{border-style:solid;border-color:var(--green);background:#f1faf7}.writing-photo-upload.paste-active{border-style:solid;border-color:var(--green);background:#eef9f6;box-shadow:0 0 0 4px #18686021}.writing-photo-upload.disabled{cursor:wait;opacity:.68}.writing-photo-target{width:100%;color:inherit;text-align:left;cursor:pointer;background:0 0;border:0;grid-template-columns:48px 1fr;gap:14px;padding:0;display:grid}.writing-photo-target:focus-visible{outline-offset:5px;border-radius:10px;outline:3px solid #1868604d}.writing-photo-target>span:first-child{color:#fff;background:var(--green);border-radius:15px;place-items:center;width:48px;height:48px;font-size:20px;font-weight:900;display:grid}.writing-photo-copy{align-content:center;gap:5px;display:grid}.writing-photo-copy strong{font-size:18px}.writing-photo-copy small{color:var(--muted);line-height:1.45}.writing-photo-picker{color:var(--green);cursor:pointer;background:#ffffffd1;border:1px solid #aac8c2;border-radius:11px;justify-self:start;margin-left:62px;padding:8px 13px;font-size:14px;font-weight:850}.writing-photo-picker:hover{background:#fff}.writing-photo-picker input{opacity:0;width:1px;height:1px;position:absolute}.writing-prompt-text{background:#fff;border:1px solid #d5d1c5;border-radius:18px;gap:10px;margin:18px 0 10px;padding:18px;display:grid}.writing-prompt-text.ready{border-color:var(--green);background:#f1faf7}.writing-prompt-text label{gap:5px;display:grid}.writing-prompt-text label strong{font-size:17px}.writing-prompt-text label small,.writing-prompt-text>small{color:var(--muted);line-height:1.45}.writing-prompt-text textarea{width:100%;min-height:126px;color:var(--ink);font:inherit;resize:vertical;background:#fff;border:1px solid #c8c7b9;border-radius:13px;padding:13px 15px;font-size:16px;line-height:1.55}.writing-prompt-text textarea:focus{border-color:var(--green);outline:3px solid #18686024}.writing-paste-tip{color:var(--muted);text-align:center;margin:10px 0 20px}.writing-paste-tip strong{color:var(--green)}.recognized-writing{background:#f4f0e5;border-radius:16px;margin:20px 0;padding:18px}.recognized-writing p,.recognized-essay p{white-space:pre-wrap;margin:8px 0 0;line-height:1.7}.photo-evaluation,.sentence-corrections{background:#f3faf7;border-radius:20px;margin:22px 0;padding:22px}.photo-evaluation h2,.sentence-corrections h2{margin:0 0 14px}.photo-evaluation h3{margin:20px 0 8px}.photo-evaluation li{margin:7px 0;line-height:1.5}.sentence-corrections>div{background:#fff;border-radius:14px;gap:7px;margin-top:12px;padding:15px;display:grid}.sentence-corrections del{color:#9a5148;line-height:1.5}.sentence-corrections strong{color:var(--green);line-height:1.5}.sentence-corrections small{color:var(--muted);line-height:1.45}.recognized-essay{background:#f4f0e5;border-radius:14px;margin:16px 0;padding:15px 17px}.recognized-essay summary{color:var(--green);cursor:pointer;font-weight:850}.revised-photo-model{background:#f3faf7}.feedback-shell{padding-top:max(18px, env(safe-area-inset-top))}.feedback-panel,.feedback-result{background:var(--card);box-shadow:var(--shadow);border-radius:28px;padding:clamp(26px,6vw,54px)}.feedback-upload{cursor:pointer;background:#fff;border:2px dashed #c8c7b9;border-radius:20px;grid-template-columns:52px 1fr;gap:5px 15px;margin:24px 0 8px;padding:22px;display:grid;position:relative}.feedback-upload.ready{border-style:solid;border-color:var(--green);background:#f1faf7}.feedback-upload.disabled{opacity:.55;cursor:wait}.feedback-upload input{opacity:0;width:1px;height:1px;position:absolute}.feedback-upload>span{background:var(--yellow);border-radius:16px;grid-row:1/3;place-items:center;width:52px;height:52px;font-size:23px;display:grid}.feedback-upload strong{align-self:end;font-size:18px}.feedback-upload small{color:var(--muted)}.feedback-photo-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:10px 0 20px;display:grid}.feedback-photo-list>div{background:#fff;border:1px solid #dedbd1;border-radius:14px;gap:6px;padding:8px;display:grid;position:relative}.feedback-photo-list img{aspect-ratio:4/3;object-fit:cover;border-radius:9px;width:100%}.feedback-photo-list span{color:var(--muted);font-size:13px}.feedback-photo-list button{color:#8b342d;cursor:pointer;background:#fff0ed;border:0;border-radius:10px;min-height:38px;font-weight:800}.feedback-photo-list .clear-feedback-photos{color:var(--green);background:#e7f2ee;grid-column:1/-1}.feedback-part{color:var(--green);background:#e7f2ee;border-radius:99px;margin:14px 0 0;padding:8px 12px;font-weight:900;display:inline-block}.feedback-result h2{margin:0 0 13px;font-size:21px}.feedback-strengths,.feedback-advice,.feedback-method{background:#f3faf7;border-radius:18px;margin:20px 0;padding:20px}.feedback-no-weakness{background:#e8f5ec;border-radius:18px;margin:22px 0;padding:20px}.feedback-no-weakness p{margin:0;line-height:1.55}.feedback-strengths li,.feedback-advice li,.feedback-method li{margin:8px 0;line-height:1.5}.feedback-weaknesses{margin:24px 0}.feedback-weaknesses article{background:#fff;border:1px solid #dedbd1;border-radius:17px;margin-top:12px;padding:18px}.feedback-weaknesses h3{margin:9px 0;font-size:19px}.feedback-weaknesses blockquote{border-left:4px solid var(--yellow);background:#fff8dc;margin:8px 0;padding:10px 13px;line-height:1.55}.feedback-weaknesses small{color:var(--muted)}.priority{border-radius:99px;padding:5px 9px;font-size:12px;font-weight:900;display:inline-block}.priority.high{color:#8b342d;background:#fff0ed}.priority.medium{color:#765b20;background:#fff8dc}.priority.low{color:var(--green);background:#e7f2ee}.exercise-ready{border-radius:14px;padding:15px 17px;font-weight:850;line-height:1.5}.exercise-ready.ready{color:#205d3d;background:#e8f5ec}.exercise-ready.pending{color:#765b20;background:#fff8dc}.feedback-history{background:#ffffffb8;border-radius:24px;margin-top:22px;padding:22px}.feedback-history h2{margin:0 0 14px}.feedback-history button{width:100%;color:var(--ink);text-align:left;cursor:pointer;background:#fff;border:1px solid #dedbd1;border-radius:14px;flex-direction:column;gap:5px;margin-top:9px;padding:15px;display:flex}.feedback-history span,.feedback-history small{color:var(--muted)}.feedback-history small{-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.feedback-history button:disabled{opacity:.55;cursor:wait}.feedback-history-error button{color:var(--green);cursor:pointer;background:0 0;border:0;margin-left:8px;font-weight:850;text-decoration:underline}.knowledge-intro,.knowledge-empty{box-shadow:var(--shadow);background:#fffdf8f0;border-radius:28px;padding:clamp(24px,5vw,42px)}.knowledge-part-list{gap:16px;margin-top:20px;display:grid}.knowledge-part{background:#fffdf8e6;border:1px solid #173a381f;border-radius:22px;overflow:hidden;box-shadow:0 10px 28px #28372e14}.knowledge-part>summary{cursor:pointer;grid-template-columns:auto 1fr auto;align-items:center;gap:8px 13px;padding:18px;list-style:none;display:grid}.knowledge-part>summary::-webkit-details-marker{display:none}.knowledge-empty-parts>summary::-webkit-details-marker{display:none}.knowledge-part>summary span{color:#fff;background:var(--green);border-radius:13px;grid-row:span 2;place-items:center;width:40px;height:40px;font-weight:900;display:grid}.knowledge-part>summary strong{font-size:17px}.knowledge-part>summary small{color:var(--muted)}.knowledge-part>summary:after{content:"⌄";color:var(--green);grid-area:1/3/3;font-size:22px;font-weight:900;transition:transform .16s}.knowledge-part[open]>summary:after{transform:rotate(180deg)}.knowledge-part-body{border-top:1px solid var(--paper-deep);gap:22px;padding:0 18px 22px;display:grid}.knowledge-part-body section{padding-top:20px}.knowledge-part-body h2{margin:0 0 11px;font-size:18px}.knowledge-chip-list{flex-wrap:wrap;gap:9px;margin:0;padding:0;list-style:none;display:flex}.knowledge-chip-list li{background:#eef8f5;border-radius:999px;padding:8px 11px;font-size:14px;line-height:1.4}.knowledge-method-list{margin:0;padding-left:24px}.knowledge-method-list li{margin:8px 0;line-height:1.55}.knowledge-expression-list{gap:10px;display:grid}.knowledge-expression{background:#fff;border:1px solid #dedbd1;border-radius:16px;gap:5px;padding:15px;display:grid}.knowledge-expression.teacher{background:#f2faf7;border-color:#8dbbb4}.knowledge-expression>span{width:fit-content;color:var(--green);background:var(--paper-deep);border-radius:999px;padding:3px 7px;font-size:12px;font-weight:800}.knowledge-expression strong{color:var(--green-dark);font-size:18px}.knowledge-expression p,.knowledge-expression small,.knowledge-expression em{color:var(--muted);margin:0;line-height:1.5}.knowledge-expression blockquote,.knowledge-feedback-list blockquote{border-left:3px solid var(--coral);color:var(--ink);margin:5px 0;padding-left:10px;line-height:1.5}.knowledge-expression em{font-size:12px}.knowledge-note{color:var(--muted);margin:-3px 0 10px;font-size:14px;line-height:1.5}.knowledge-feedback-list{gap:10px;display:grid}.knowledge-feedback-list article{background:#fff4e9;border-radius:15px;padding:14px}.knowledge-feedback-list small{color:var(--muted);line-height:1.5}.knowledge-empty-parts{color:var(--muted);background:#fff9;border-radius:17px;margin-top:20px;padding:16px 18px}.knowledge-empty-parts summary{cursor:pointer;font-weight:800}.knowledge-empty-parts p{margin:10px 0 0;line-height:1.6}.score-grid{grid-template-columns:repeat(2,1fr);gap:9px;margin:12px 0;display:grid}.score-grid>div{background:#ffffffb8;border-radius:12px;justify-content:space-between;gap:12px;padding:10px 12px;font-size:14px;display:flex}.score-grid span{color:var(--muted)}@media (max-width:640px){.practice-menu{grid-template-columns:1fr}.practice-menu>button.writing-photo-entry{grid-column:auto}.practice-menu>button{min-height:96px}.syllabus-card,.wrong-card{flex-direction:column;align-items:stretch}.syllabus-card button,.wrong-card button{width:100%}.score-grid{grid-template-columns:1fr}.guide-columns{grid-template-columns:1fr;gap:0}.reading-passage{max-height:40vh;padding:17px;font-size:16px}.writing-photo-grid{grid-template-columns:1fr}.feedback-photo-list{grid-template-columns:1fr 1fr}}.complete-shell{place-items:center;display:grid}.method-card{width:min(100%,720px);padding:clamp(28px,6vw,56px)}.complete-check{width:78px;height:78px;color:var(--green);background:var(--yellow);border-radius:50%;place-items:center;margin-bottom:26px;font-size:42px;font-weight:950;display:grid}.method-card ol{gap:13px;margin:30px 0 0;padding:0;list-style:none;display:grid}.method-card li{background:#f4f0e5;border-radius:16px;align-items:center;gap:15px;min-height:58px;padding:10px 14px;display:flex}.method-card li span{color:#fff;background:var(--green);border-radius:13px;flex:0 0 38px;place-items:center;width:38px;height:38px;font-weight:900;display:grid}.method-card li p{margin:0;font-size:17px;line-height:1.5}.demo-note{color:#73591e;background:#fff6d9;border-radius:14px;margin:24px 0 0;padding:14px 16px;font-size:14px;line-height:1.5}.child-home-card{box-shadow:var(--shadow);background:#fffdf8f0;border:1px solid #173a381a;border-radius:32px;padding:clamp(28px,6vw,56px)}.today-task-label,.sync-summary{color:var(--green);background:#e9f4f0;border-radius:16px;padding:16px 18px;font-weight:850}.sync-summary{flex-direction:column;gap:7px;margin-top:24px;line-height:1.5;display:flex}.sync-summary span{color:var(--muted);font-weight:600}.sync-loading{color:var(--muted);text-align:center;padding:50px 20px;font-size:19px;font-weight:750}.mode-switch{color:var(--muted);cursor:pointer;background:0 0;border:0;margin:20px auto 0;padding:10px 16px;font-size:14px;text-decoration:underline;display:block}.assessment-button{background:#e8f2ef;margin-top:12px}.assessment-button:disabled{opacity:.55;cursor:wait}.replace-note{color:var(--muted);text-align:center;margin:12px 0 0;font-size:13px}.publish-card{text-align:left}@media (max-width:680px){.app-shell{padding-left:16px;padding-right:16px}.upload-grid,.role-grid{grid-template-columns:1fr}.upload-card{min-height:105px}.lesson-header{flex-direction:column;align-items:flex-start}.question-card,.capture-panel,.method-card,.welcome-card{border-radius:24px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important}}