:root{--bg:#f5f7fb;--paper:#ffffff;--paper-soft:#fafbfe;--ink:#111827;--muted:#667085;--line:#e5e7eb;--line-strong:#d0d5dd;--accent:#2563eb;--accent-soft:#eff6ff;--danger-soft:#fef3f2;--danger-ink:#b42318;--success-soft:#ecfdf3;--success-ink:#027a48;--highlight-soft:#fff7d6;--shadow:0 20px 45px rgba(15,23,42,0.06);--radius-xl:24px;--radius-lg:18px;--radius-md:14px}*{box-sizing:border-box}html{min-height:100%;background:linear-gradient(180deg,rgba(255,255,255,.85),rgba(245,247,251,.96)),var(--bg)}body{margin:0;min-height:100vh;color:var(--ink);font-family:SF Pro Text,SF Pro Display,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}button,select,textarea{font:inherit}.pageShell{max-width:1400px;margin:0 auto;padding:36px 24px 64px}.pageHeader{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin-bottom:24px}.titleBlock{max-width:720px}.headerControls{display:flex;flex-direction:column;align-items:flex-end;gap:10px;min-width:156px}.authActionGroup{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}.authDialogBackdrop{position:fixed;inset:0;z-index:40;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(15,23,42,.34);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.authDialog{width:min(100%,420px);border:1px solid rgba(148,163,184,.28);border-radius:20px;background:var(--paper);box-shadow:0 24px 60px rgba(15,23,42,.18);padding:18px}.authDialogHeader{display:flex;align-items:center;justify-content:space-between;gap:12px}.authTabs{display:inline-flex;gap:6px;padding:4px;border:1px solid var(--line);border-radius:999px;background:var(--paper-soft)}.authTabs button{border:0;border-radius:999px;background:transparent;color:var(--muted);font:inherit;font-size:.86rem;font-weight:600;padding:8px 14px;cursor:pointer}.authTabs button.active{background:var(--paper);color:var(--ink);box-shadow:0 2px 10px rgba(15,23,42,.08)}.authHint{margin-top:14px;color:var(--muted);font-size:.9rem;line-height:1.6}.authForm{display:grid;grid-gap:14px;gap:14px;margin-top:16px}.authForm label span{display:block;margin-bottom:6px;color:var(--muted);font-size:.76rem}.authForm input{width:100%;border:1px solid var(--line);border-radius:var(--radius-md);background:var(--paper);color:var(--ink);padding:12px 13px;font:inherit}.authSubmitButton{border:0;border-radius:var(--radius-md);background:var(--blue);color:rgba(29,78,216,.06);font:inherit;font-weight:600;padding:12px 16px;cursor:pointer}.authSubmitButton:disabled{cursor:not-allowed;opacity:.65}.ghostAction{border:1px solid var(--line);border-radius:999px;background:var(--paper);color:var(--muted);font:inherit;font-size:.76rem;font-weight:600;padding:7px 11px;cursor:pointer;transition:border-color .18s ease,color .18s ease,background-color .18s ease}.ghostAction:hover:not(:disabled){border-color:var(--blue);color:var(--blue)}.ghostAction.primary{border-color:rgba(29,78,216,.18);background:rgba(29,78,216,.06);color:var(--blue)}.ghostAction.primary:hover:not(:disabled){border-color:var(--blue);background:rgba(29,78,216,.12)}.ghostAction:disabled{cursor:not-allowed;opacity:.6}.metaPills{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}.inlineMeta span,.metaPills span{display:inline-flex;align-items:center;padding:5px 9px;border:1px solid var(--line);border-radius:999px;background:var(--paper);color:var(--muted);font-size:.74rem;font-weight:500}.localeControl{min-width:156px}.localeControl span{display:block;margin-bottom:4px;color:var(--muted);font-size:.74rem}.editorPanel select,.editorPanel textarea,.localeControl select{width:100%;border:1px solid var(--line);border-radius:var(--radius-md);background:var(--paper);color:var(--ink)}.editorPanel select,.localeControl select{min-height:42px;padding:10px 12px}.editorPanel textarea{padding:15px 16px;resize:vertical;line-height:1.75}.eyebrow,.sectionLabel{margin:0;color:var(--muted);font-size:.76rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase}.emptyState h2,.pageHeader h1,.panelHeading h2,.resultHero h2,.scoreCard h3{margin:0}.pageHeader h1{margin-top:6px;font-size:clamp(1.7rem,3vw,2.5rem);line-height:1.12;letter-spacing:-.04em}.lede{margin:10px 0 0;color:var(--muted);line-height:1.7;font-size:.9rem;max-width:48ch}.workspace{display:grid;grid-template-columns:minmax(340px,420px) minmax(0,1fr);grid-gap:24px;gap:24px;align-items:start}.editorPanel,.resultsPanel{border:1px solid var(--line);border-radius:var(--radius-xl);background:rgba(255,255,255,.92);box-shadow:var(--shadow)}.editorPanel{position:-webkit-sticky;position:sticky;top:20px;padding:24px}.resultsPanel{padding:20px}.panelHeading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:20px}.panelHeading h2{margin-top:8px;font-size:1.5rem;letter-spacing:-.03em}.inlineMeta{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}.segmentedControl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:8px;gap:8px;padding:6px;margin-bottom:20px;border:1px solid var(--line);border-radius:16px;background:var(--paper-soft)}.editorFooter button,.segmentedControl button{border:0;cursor:pointer;transition:background-color .14s ease,color .14s ease,transform .14s ease,border-color .14s ease}.segmentedControl button{padding:11px 14px;border:1px solid transparent;border-radius:12px;background:transparent;color:var(--muted);font-weight:600}.segmentedControl button.active{border-color:#bfdbfe;background:var(--paper);color:var(--accent)}.editorPanel label{display:block;margin-bottom:18px}.editorPanel label span,.feedbackSection h3{display:block;margin-bottom:8px;color:var(--ink);font-size:.92rem;font-weight:600}.editorPanel select:focus,.editorPanel textarea:focus,.localeControl select:focus{outline:none;border-color:#93c5fd;box-shadow:0 0 0 4px rgba(37,99,235,.08)}.editorFooter{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:8px}.editorFooter p{margin:0;color:var(--muted);font-size:.92rem}.editorFooter strong{color:var(--ink)}.editorFooter button{min-width:148px;padding:12px 18px;border-radius:12px;background:var(--ink);color:#fff;font-weight:600}.editorFooter button:hover:not(:disabled),.segmentedControl button:hover{transform:translateY(-1px)}.editorFooter button:disabled{opacity:.65;cursor:wait}.errorBox{margin:16px 0 0;padding:12px 14px;border:1px solid #fecdca;border-radius:12px;color:var(--danger-ink);background:var(--danger-soft)}.reportPaper{border:1px solid var(--line);border-radius:20px;background:var(--paper);padding:22px}.resultHero{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding-bottom:20px;border-bottom:1px solid var(--line)}.resultScore h2{margin-top:6px;font-size:clamp(3rem,6vw,4.5rem);line-height:1;letter-spacing:-.06em}.resultMeta{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px;max-width:420px}.resultMeta span{display:inline-flex;align-items:center;min-height:34px;padding:6px 10px;border:1px solid var(--line);border-radius:999px;background:var(--paper-soft);color:var(--muted);font-size:.82rem}.scoreGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:14px;gap:14px;margin:20px 0 0}.emptyState,.feedbackSection,.scoreCard{border:1px solid var(--line);border-radius:16px;background:var(--paper)}.scoreCard{padding:18px}.scoreHeader{margin-bottom:12px}.scoreCard h3{margin-top:6px;font-size:2rem;line-height:1;color:var(--accent);letter-spacing:-.04em}.emptyState p,.feedbackSection li,.feedbackSection p,.scoreCard p{margin:0;color:var(--muted);line-height:1.75;font-size:.95rem}.feedbackSection{padding:18px;margin-top:14px}.feedbackSection ul{margin:0;padding-left:20px}.feedbackSection li+li{margin-top:10px}.revisionSection{display:grid;grid-gap:16px;gap:16px}.revisionHint{color:var(--muted);font-size:.88rem}.revisionBlock{display:grid;grid-gap:10px;gap:10px}.subsectionTitle{color:var(--ink);font-size:.92rem;font-weight:600}.annotatedEssay{white-space:pre-wrap;line-height:2;color:var(--ink);padding:14px 16px;border:1px solid var(--line);border-radius:14px;background:var(--paper-soft)}.editChip{position:relative;display:inline;padding:0;border:0;background:transparent;cursor:pointer;color:inherit;text-align:left;white-space:inherit;vertical-align:baseline}.editTooltip{left:0;top:calc(100% + 10px);z-index:10;display:none;width:min(320px,70vw);padding:10px 12px;border:1px solid var(--line-strong);border-radius:12px;box-shadow:0 18px 30px rgba(15,23,42,.12);color:var(--ink);line-height:1.6;white-space:normal}.editTooltip,.editTooltip:before{position:absolute;background:#fff}.editTooltip:before{content:"";left:18px;top:-7px;width:12px;height:12px;border-left:1px solid var(--line-strong);border-top:1px solid var(--line-strong);transform:rotate(45deg)}.editTooltip.visible{display:block}.essayDel{background:#fde2e1;color:#b42318;text-decoration-thickness:2px}.essayAdd{background:var(--success-soft);color:var(--success-ink);text-decoration:none;padding:0 2px;border-radius:4px}.essayHighlight{background:var(--highlight-soft);color:#7a5c00;padding:0 3px;border-radius:4px}.correctionList{display:grid;grid-gap:12px;gap:12px}.correctionCard{border:1px solid var(--line);border-radius:14px;background:var(--paper-soft);padding:16px}.correctionCard p+p{margin-top:12px}.emptyState{min-height:100%;display:flex;flex-direction:column;justify-content:center;padding:28px}.emptyState h2{font-size:1.8rem;letter-spacing:-.04em}.emptyState h2,.emptyState p:last-child{margin-top:10px}@media (max-width:1080px){.workspace{grid-template-columns:1fr}.editorPanel{position:static}}@media (max-width:760px){.pageShell{padding:24px 16px 44px}.pageHeader,.panelHeading,.resultHero{flex-direction:column}.headerControls,.inlineMeta,.resultMeta{align-items:flex-start;justify-content:flex-start}.authSubmitButton{color:#007AFF;border:1px solid #111827;border-radius:999px;padding:.85rem 1.25rem;font-weight:700;font-size:.95rem;cursor:pointer;width:100%;margin-top:.5rem}.scoreGrid{grid-template-columns:1fr}.editTooltip{position:fixed;left:16px;right:16px;top:auto;bottom:16px;width:auto;max-width:none;padding:14px 16px;border-radius:16px;box-shadow:0 20px 40px rgba(15,23,42,.18)}.editTooltip:before{display:none}}@media (max-width:560px){.editorPanel,.emptyState,.feedbackSection,.reportPaper,.resultsPanel,.scoreCard{border-radius:16px}.editorFooter{flex-direction:column;align-items:stretch}.editorFooter button{width:100%}}