@font-face{font-family:EchoSerif;src:local("Georgia");font-display:swap}
:root{--bg:#f5f3ee;--paper:#fffefa;--ink:#223c34;--sub:#71776f;--green:#285b4e;--green-dark:#1c453b;--sage:#e5ede5;--line:#dddfd5;--yellow:#f0ecd9;--error:#9b4234;--radius:18px;--mono:"Cascadia Code",Consolas,monospace;color-scheme:light}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.65 "Microsoft YaHei UI","PingFang SC",system-ui,sans-serif;-webkit-font-smoothing:antialiased}button,input,textarea,select{font:inherit;color:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48}button,button:not(:disabled),a,input,select,textarea{transition:background .18s,border-color .18s,box-shadow .18s,transform .18s}button:not(:disabled):active,.button:active{transform:translateY(1px)}:focus-visible{outline:3px solid #648a76;outline-offset:4px}h1,h2,h3,p{margin:0}h1{font-size:36px;line-height:1.35;letter-spacing:-1.4px;font-weight:600;text-wrap:balance}h2{font-size:21px;line-height:1.4;font-weight:600;letter-spacing:-.5px}h3{font-size:17px;font-weight:600}p{color:var(--sub)}small{font-size:12px}svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round;flex:none}.symbols{position:absolute;width:0;height:0;overflow:hidden}[hidden]{display:none!important}.skip{position:fixed;left:12px;top:-80px;padding:12px 20px;background:var(--green);color:#fff;z-index:10}.skip:focus{top:10px}.app-header{max-width:1480px;margin:auto;padding:23px 48px 0;display:flex;align-items:center;gap:44px;min-height:96px}.brand{display:flex;align-items:center;gap:11px;line-height:1.3;min-width:210px;font-size:23px;font-weight:650;letter-spacing:-.7px}.brand img{box-shadow:0 3px 7px #285b4e0d}.brand small{display:block;font-size:10px;letter-spacing:2.4px;color:var(--sub);font-weight:400;margin-top:5px}.app-header nav{display:flex;gap:9px;margin:auto}.app-header nav a{padding:10px 20px;border-radius:10px;font-size:14px;color:var(--sub);white-space:nowrap}.app-header nav a:hover{background:#eaece3}.app-header nav a[aria-current=page]{background:var(--sage);color:var(--green);font-weight:600}.header-actions{display:flex;align-items:center;gap:15px}.quiet{border:0;padding:10px 4px;background:transparent;color:var(--sub);font-size:13px}.quiet:hover{color:var(--green)}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid transparent;border-radius:10px;background:transparent}.icon-button:hover{background:var(--sage)}.user-mark{display:grid;place-items:center;width:34px;height:34px;border:1px solid #d4d9cc;border-radius:50%;font-size:12px;background:#ebece1;color:#69785b}main{max-width:1384px;margin:auto;padding:45px 48px 65px;min-height:calc(100dvh - 173px)}.app-footer{display:flex;gap:24px;align-items:center;max-width:1384px;margin:auto;padding:21px 48px 26px;border-top:1px solid var(--line);font-size:11px;color:#8a8e82}.app-footer a{margin-left:auto}.muted{color:var(--sub)}.eyebrow{display:block;color:#79816f;font-size:11px;letter-spacing:2px;margin-bottom:12px}.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:25px;margin-bottom:30px}.page-head p{margin-top:11px;font-size:14px}.page-head .button{flex:none}.head-meta{font-family:var(--mono);font-size:12px;color:#79816f;text-align:right;letter-spacing:.7px}.head-meta span{display:block;font:12px/2.4 inherit}.button{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid var(--green);border-radius:10px;background:var(--green);color:#fff;padding:11px 18px;font-size:13px;font-weight:500;min-height:44px;white-space:nowrap;text-decoration:none}.button:hover{background:var(--green-dark);border-color:var(--green-dark)}.button svg{width:17px;height:17px}.button.secondary{background:transparent;border-color:#cdd5c8;color:var(--green)}.button.secondary:hover{background:var(--sage)}.button.light{background:var(--paper);border-color:var(--paper);color:var(--green)}.button.light:hover{background:#e9efe5}.button.danger{background:var(--error);border-color:var(--error)}.button.small{min-height:36px;padding:7px 12px;font-size:12px}.text-link{font-size:13px;color:var(--green);display:inline-flex;align-items:center;gap:7px;border:0;background:none;padding:3px 0}.text-link svg{width:16px;height:16px}.text-link:hover{text-decoration:underline}.hero-grid{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(300px,1fr);gap:22px}.hero-record{position:relative;overflow:hidden;min-height:300px;background:var(--sage);border:1px solid #dce5d9;border-radius:22px;padding:33px 35px;display:flex;flex-direction:column;align-items:flex-start}.hero-record .tag{font-size:11px;letter-spacing:1.5px;color:#64836d;display:flex;gap:8px;align-items:center}.tag::before{content:"";width:5px;height:5px;background:#548469;border-radius:50%}.hero-record h2{font-size:31px;line-height:1.5;letter-spacing:-1.3px;margin-top:17px;position:relative;z-index:1}.hero-record p{font-size:13px;line-height:1.9;margin:12px 0 24px;max-width:310px;position:relative;z-index:1}.hero-record .button{margin-top:auto;position:relative;z-index:1}.notebook-art{position:absolute;width:270px;height:265px;right:10px;bottom:10px;stroke-width:1.3;opacity:.88;transform:rotate(-5deg)}.hero-scan{border-radius:22px;position:relative;overflow:hidden;padding:30px;background:var(--yellow);display:flex;flex-direction:column;align-items:flex-start;min-height:300px}.hero-scan .scan-icon{width:47px;height:47px;border:1px solid #d7d3b9;border-radius:13px;display:grid;place-items:center;color:#797b56;margin-bottom:24px}.hero-scan h2{font-size:25px}.hero-scan p{font-size:13px;max-width:210px;margin:12px 0 18px;line-height:1.9}.hero-scan .text-link{margin-top:auto}.scan-art{position:absolute;right:18px;bottom:30px;width:99px;height:125px;transform:rotate(9deg);opacity:.65}.quick-actions{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:22px 0 40px}.quick-action{display:flex;align-items:center;gap:16px;background:var(--paper);border:1px solid var(--line);border-radius:13px;padding:19px 23px;text-align:left;min-height:92px}.quick-action:hover{border-color:#a7b6a2;background:#f9fbf5;transform:translateY(-2px)}.quick-action>svg{width:28px;height:28px;color:#617b6a}.quick-action span{display:block}.quick-action strong{font-size:15px;font-weight:500}.quick-action small{display:block;font-size:11px;color:var(--sub);margin-top:4px}.quick-action .end-icon{width:16px;margin-left:auto;color:#9ba594}.section-head{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:18px}.section-head h2{font-size:19px}.section-head h2 span{font-size:12px;font-weight:400;color:var(--sub);margin-left:13px}.notes-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}.note-row{display:grid;grid-template-columns:46px minmax(0,1fr) auto 24px;gap:18px;align-items:center;padding:22px 6px;border-bottom:1px solid var(--line)}.note-row:hover{background:#ebece331}.file-icon{display:grid;place-items:center;width:44px;height:49px;border-radius:10px;background:#e7ede3;color:#637b60}.file-icon.scan{background:#eee9d9;color:#8a7c54}.file-icon.screen{background:#e5e8e6;color:#6d817e}.note-row h3{font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.note-row p{font-size:12px;margin-top:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:630px}.row-meta{color:var(--sub);font-size:11px;text-align:right;line-height:2}.row-meta small{display:block}.note-row>svg{width:16px;color:#9aa391}.empty-state{border:1px dashed #d2d8cb;border-radius:14px;display:flex;align-items:center;gap:22px;min-height:140px;padding:28px;color:#73816e}.empty-state>svg{width:43px;height:43px;stroke-width:1.15}.empty-state h3{color:#53654f;font-size:15px;font-weight:500}.empty-state p{font-size:12px;margin-top:5px}.empty-state .text-link{margin-left:auto;flex:none}.bottom-tip{display:flex;align-items:flex-start;gap:10px;margin-top:28px;font-size:11px;color:#8a8e80}.bottom-tip svg{width:15px;height:15px;margin-top:3px}.toolbar{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:24px}.search-field{position:relative;flex:1;min-width:230px;max-width:420px}.search-field svg{position:absolute;left:14px;top:13px;width:18px;height:18px;color:#84917c}.search-field input{padding-left:42px}.input,input[type=text],textarea,select{border:1px solid #d4d9cd;background:var(--paper);border-radius:9px;padding:11px 13px;width:100%;font-size:13px;min-height:44px}textarea{resize:vertical;line-height:1.9;min-height:130px}input::placeholder,textarea::placeholder{color:#92968b}select{width:auto;min-width:130px}.field{display:block;font-size:12px;font-weight:500;color:#68785e}.field input,.field textarea,.field select{margin-top:8px}.filter-tabs{display:flex;gap:4px;flex-wrap:wrap}.filter-tabs button{padding:7px 14px;border:0;border-radius:7px;background:transparent;font-size:12px;color:#7c8475}.filter-tabs button.active{background:#dfe8dd;color:var(--green);font-weight:600}.count{font:12px var(--mono);color:var(--sub);margin-left:auto}.panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:26px}.panel+.panel{margin-top:20px}.panel h2{margin-bottom:12px}.panel p{font-size:13px;line-height:1.9}.workspace{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(320px,1fr);gap:22px;align-items:start}.fields-row{display:grid;grid-template-columns:1.5fr 1fr;gap:16px;margin-bottom:22px}.subhead{display:flex;align-items:center;justify-content:space-between;margin:0 0 16px;gap:12px}.subhead h2{font-size:16px}.status-line{font-size:12px;color:var(--sub);display:flex;align-items:center;gap:9px}.status-dot{width:7px;height:7px;border-radius:50%;background:#98a78c}.status-dot.recording{background:#ba574a;animation:breathe 1.5s infinite}.capture-preview{position:relative;display:grid;place-items:center;min-height:300px;aspect-ratio:16/9;background:#eaf0e7;border-radius:13px;overflow:hidden}.capture-preview video{width:100%;height:100%;object-fit:contain;position:absolute;inset:0;background:#182d27}.preview-idle{text-align:center;color:#6a8164}.preview-idle svg{width:46px;height:46px;stroke-width:1.1}.preview-idle p{font-size:12px;margin-top:13px}.record-controls{display:flex;align-items:center;gap:13px;padding:20px 0 0}.timer{font:28px/1.2 var(--mono);letter-spacing:-1px;margin-right:auto}.timer small{font:11px/1.5 "Microsoft YaHei UI",sans-serif;display:block;color:var(--sub);margin-top:7px}.record-stop{border-color:#b36b5b!important;color:#9b4234!important}.record-live{width:8px;height:8px;background:#e3b7a6;border-radius:50%}.help-line{font-size:11px!important;margin-top:18px!important;color:#878e7f!important;line-height:1.9}.check-line{display:flex;align-items:flex-start;gap:9px;font-size:12px;line-height:1.7;color:#64745c;margin-top:16px}.check-line input{margin-top:4px;accent-color:var(--green);width:16px;height:16px}.notice{border-left:3px solid #b6c8ad;background:#eff3e9;padding:12px 15px;font-size:12px;color:#60725a;margin:18px 0;line-height:1.9}.notice.error{background:#f7eae3;border-color:#bc7b61;color:#8e4c36}.notice.warning{background:#f3efdf;border-color:#c7b885;color:#85733e}.transcript{min-height:300px;max-height:440px;overflow:auto;padding:8px 0}.transcript .speech-line{display:flex;gap:14px;margin:0 0 15px;font-size:13px;line-height:1.9}.timestamp{font:11px/2.3 var(--mono);color:#82917a;flex:none;cursor:pointer;background:none;border:0;padding:0}.transcript .interim{color:#8a947f;padding-left:49px;font-size:13px}.transcript-empty{color:#9aa18f;text-align:center;padding:76px 20px;font-size:12px;line-height:2.1}.correction-tag{font-size:10px;color:#718b61;display:block}.page-back{margin-bottom:23px}.note-layout{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:30px;align-items:start}.note-heading{border:0!important;background:transparent!important;padding:0!important;font-size:31px!important;letter-spacing:-.8px!important;font-weight:600;min-height:48px!important}.note-paper{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:32px;min-height:360px}.note-editor{border:0!important;min-height:360px;padding:0!important;border-radius:0!important;font-size:15px;line-height:2.15;outline-offset:8px}.note-tabs{border-bottom:1px solid var(--line);display:flex;gap:26px;margin:21px 0 24px}.note-tabs button{border:0;border-bottom:2px solid transparent;background:transparent;padding:10px 1px;font-size:13px;color:#879079}.note-tabs button.active{border-bottom-color:var(--green);color:var(--green);font-weight:600}.note-aside .panel{padding:22px}.note-aside h3{font-size:14px;margin-bottom:17px}.note-aside .button{width:100%;margin-top:10px}.note-aside .text-link{margin-top:12px;font-size:12px}.meta-list{display:grid;grid-template-columns:70px minmax(0,1fr);gap:9px;font-size:12px;margin:0 0 8px;color:var(--sub)}.meta-list dd{margin:0;color:#52674d;overflow-wrap:anywhere}.note-media{width:100%;max-height:300px;margin:16px 0 0;border-radius:9px;background:#edf0e8}.note-meta{display:flex;align-items:center;gap:15px;flex-wrap:wrap;font-size:11px;color:#818c77;margin-top:7px}.note-meta input{max-width:180px;min-height:32px!important;padding:4px 8px!important;font-size:11px!important}.autosave{font-size:11px;color:#859277;margin-left:auto}.source-page{margin-bottom:28px}.source-page img{max-width:100%;max-height:650px;object-fit:contain;cursor:zoom-in;border:1px solid var(--line);background:#f1f1e8}.source-page h3{font-size:13px;color:#7f8e71;margin-bottom:12px}.source-page pre,.plain-text{white-space:pre-wrap;overflow-wrap:anywhere;font:13px/2 inherit;color:#68785c}.formula-item{padding:20px 0;border-bottom:1px solid var(--line);overflow-x:auto}.formula-item .formula-top{display:flex;gap:10px;align-items:center;margin-bottom:12px;font-size:12px;color:#7a886f}.formula-item .formula-top button{margin-left:auto}.formula-item img{max-width:100%;max-height:170px;object-fit:contain}.formula-item textarea{font-family:var(--mono);font-size:12px;min-height:84px;margin-top:12px}.math-preview{overflow:auto;padding:15px 0;color:#234b3f;font-size:15px}.template-row{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}.template-row button{background:#e8eddf;color:#536d49;border:0;padding:6px 10px;border-radius:6px;font-size:11px}.scan-workspace{display:grid;grid-template-columns:160px minmax(0,1fr) 280px;gap:20px;align-items:start}.scan-pages{display:flex;flex-direction:column;gap:12px}.page-thumb{background:#edece3;border:1px solid transparent;border-radius:10px;padding:9px;text-align:center;position:relative}.page-thumb.active{border-color:#6e8e62;background:#e7eddf}.page-thumb img{height:112px;width:100%;object-fit:contain;display:block}.page-thumb span{font-size:11px;color:#78846b}.scan-stage{min-height:440px;display:flex;justify-content:center;align-items:center;background:#e9e9e1;border-radius:13px;padding:22px;overflow:hidden}.crop-wrap{position:relative;max-width:100%;line-height:0;touch-action:none;user-select:none}.crop-wrap img{display:block;width:100%;max-height:640px;object-fit:contain}.crop-overlay{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.crop-overlay polygon{fill:#b8d1aa22;stroke:#456c3c;stroke-width:.5;vector-effect:non-scaling-stroke}.crop-handle{position:absolute;width:25px;height:25px;padding:0;border:3px solid #fff;border-radius:50%;background:var(--green);transform:translate(-50%,-50%);box-shadow:0 1px 5px #223c3450;touch-action:none;cursor:move}.crop-handle:active{transform:translate(-50%,-50%)!important}.scan-tools{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:22px}.scan-tools h3{font-size:15px;margin-bottom:18px}.scan-tools .button{width:100%;margin-top:12px}.scan-tools select{width:100%}.scan-tools .field{margin:12px 0 15px}.scan-tools .help-line{font-size:11px!important}.tool-row{display:flex;gap:8px}.tool-row button{flex:1;padding:8px 10px;font-size:11px}.scan-empty{padding:68px 25px;text-align:center;border:1px dashed #c9d4c1;border-radius:20px;background:#eef1e8;min-height:365px}.scan-empty>svg{width:58px;height:58px;stroke-width:1}.scan-empty h2{font-size:23px;margin-top:22px}.scan-empty p{font-size:13px;margin:12px auto 24px;max-width:450px;line-height:2}.scan-tabs{margin-top:0}.scan-text textarea{min-height:230px}.progress-track{height:4px;background:#e0e7d7;border-radius:4px;overflow:hidden;margin:12px 0}.progress-track div{height:100%;background:var(--green);width:0;transition:width .2s}.scan-result{display:block;max-width:100%;max-height:650px;object-fit:contain}.scan-selection{position:relative;touch-action:none;line-height:0;max-width:100%;display:inline-block}.scan-selection img{width:100%;max-height:600px;object-fit:contain;display:block}.selection-rect{position:absolute;border:2px dashed var(--green);background:#285b4e15;pointer-events:none}.scan-formula-layout{display:grid;gap:18px}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start}.settings-grid .panel{margin:0}.settings-grid h2{font-size:18px}.settings-grid p{margin:10px 0 18px}.settings-grid .button{margin:10px 10px 0 0}.stats-summary{display:flex;gap:35px;margin:22px 0}.stats-summary b{display:block;font:32px/1.2 var(--mono);color:var(--green);letter-spacing:-1.5px}.stats-summary span{font-size:11px;color:#7a8870}.rule-form{display:grid;grid-template-columns:1fr 24px 1fr auto;gap:10px;align-items:end}.rule-form>span{align-self:center;padding-top:20px;color:#8d9b80}.rule-list{margin-top:22px;max-height:320px;overflow:auto}.rule-item{display:flex;gap:12px;align-items:center;border-bottom:1px solid var(--line);padding:12px 0;font-size:13px}.rule-item span{color:#99a18f}.rule-item .icon-button{margin-left:auto;width:32px;height:32px}.rule-item svg{width:15px}.term-chips{display:flex;flex-wrap:wrap;gap:9px;max-height:400px;overflow:auto;margin-top:20px}.term-chip{padding:7px 12px;background:#edf0e6;border-radius:7px;color:#667958;font-size:12px}.terms-layout{display:grid;grid-template-columns:1.15fr 1fr;gap:24px;align-items:start}.terms-layout .panel{margin:0}.terms-layout h2{font-size:18px}.terms-layout p{font-size:12px;margin-top:9px}.sample-terms{display:flex;gap:10px;align-items:center;padding-top:18px;border-top:1px solid var(--line);margin-top:22px;flex-wrap:wrap}.sample-terms input{flex:1;min-width:180px}.sample-result{font-size:13px!important;color:var(--green)!important;min-height:26px;margin-top:12px!important}.share-link-row{display:flex;gap:10px}.share-link-row input{min-width:0;font-size:12px}.divider{height:1px;background:var(--line);margin:20px 0}.capability-list{padding:0;margin:14px 0 0;list-style:none;font-size:12px;color:#718067}.capability-list li{display:flex;align-items:center;gap:9px;padding:8px 0;border-bottom:1px solid var(--line)}.capability-list b{margin-left:auto;color:var(--green);font-weight:500}.error-page{max-width:600px;padding:60px 0}.error-page p{margin:20px 0;line-height:2}.loading-page{padding:80px;text-align:center;color:var(--sub)}#toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);z-index:30;background:#244d40;color:#fff;padding:13px 24px;border-radius:10px;box-shadow:0 8px 30px #243e2920;max-width:min(90vw,650px);font-size:13px;line-height:1.7}#toast.error{background:#864a37}dialog{border:1px solid var(--line);border-radius:18px;padding:28px;max-width:min(92vw,470px);color:var(--ink);background:var(--paper);box-shadow:0 25px 100px #1e34282b}dialog::backdrop{background:#1d332966;backdrop-filter:blur(3px)}dialog p{font-size:13px;line-height:1.9;margin:15px 0 25px}.dialog-actions{display:flex;justify-content:flex-end;gap:12px}#image-dialog{max-width:95vw;max-height:95dvh;padding:35px 15px 15px}#image-dialog .icon-button{position:absolute;right:6px;top:2px}#large-image{display:block;max-width:90vw;max-height:84dvh;object-fit:contain}.print-only{display:none}.recording-note{font-size:12px;color:#8a7051;margin-top:15px}@keyframes breathe{50%{opacity:.3}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media(min-width:1450px){.hero-record{min-height:320px}.notebook-art{right:28px;width:295px;height:280px}.hero-record p{max-width:340px}}
@media(max-width:1150px){.app-header{padding:20px 30px 0;gap:20px}.brand{min-width:175px}.app-header nav a{padding:9px 13px}main{padding:35px 30px 50px}.app-footer{padding:20px 30px}.notebook-art{width:225px;right:-20px;bottom:6px;opacity:.5}.hero-record p{max-width:255px}.hero-scan{padding:28px}.scan-art{right:-12px;opacity:.35}.scan-workspace{grid-template-columns:110px minmax(0,1fr) 240px;gap:14px}.scan-tools{padding:18px}.note-layout{grid-template-columns:minmax(0,1fr) 250px;gap:20px}.workspace{grid-template-columns:minmax(0,1.2fr) minmax(290px,1fr)}.terms-layout{grid-template-columns:1fr}.rule-form{grid-template-columns:1fr 24px 1fr auto}}
@media(max-width:850px){.app-header{flex-wrap:wrap;gap:15px;padding:20px 24px 0}.app-header nav{order:3;flex:1 0 100%;justify-content:center;border-bottom:1px solid var(--line);padding-bottom:14px}.brand{margin-right:auto}.header-actions{gap:12px}.app-header nav a{padding:8px 28px}.hero-grid{grid-template-columns:1.45fr 1fr;gap:16px}.hero-record{padding:27px;min-height:300px}.hero-record h2{font-size:27px}.notebook-art{opacity:.23;width:200px;bottom:-15px;right:-20px}.hero-scan{padding:26px 22px}.hero-scan h2{font-size:22px}.hero-scan p{font-size:12px}.scan-art{opacity:.15}.head-meta{display:none}.workspace{grid-template-columns:1fr}.capture-preview{min-height:240px}.transcript{max-height:300px;min-height:220px}.transcript-empty{padding:45px 20px}.scan-workspace{grid-template-columns:100px minmax(0,1fr)}.scan-tools{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;column-gap:20px}.scan-tools h3,.scan-tools .help-line,.scan-tools .notice{grid-column:1/-1}.scan-tools .field{margin:0}.scan-tools .button{margin:0}.scan-tools .tool-row{margin-top:15px}.scan-tools .help-line{margin-top:12px!important}.note-layout{grid-template-columns:1fr}.note-aside{display:grid;grid-template-columns:1fr 1fr;gap:15px}.note-aside .panel{margin:0}.settings-grid{grid-template-columns:1fr}.page-head{margin-bottom:26px}h1{font-size:31px}.note-paper{padding:25px}}
@media(max-width:580px){body{font-size:14px}.app-header{padding:18px 19px 0;gap:17px}.brand{font-size:21px;min-width:auto}.brand img{width:34px;height:34px}.brand small{font-size:9px;letter-spacing:1.7px}.header-actions{gap:8px}.header-actions .quiet{font-size:12px}.user-mark{display:none}.app-header nav{gap:0;padding-bottom:13px}.app-header nav a{padding:9px 20px;flex:1;text-align:center;font-size:13px}main{padding:28px 19px 40px}.app-footer{padding:20px 19px;gap:13px;font-size:10px}.app-footer span:last-child{display:none}.page-head{align-items:flex-start;gap:12px}.page-head h1{font-size:28px;letter-spacing:-1px}.page-head p{font-size:12px;line-height:1.9;margin-top:8px}.page-head .button{font-size:11px;padding:9px 12px;min-height:38px}.hero-grid{grid-template-columns:1fr}.hero-record{min-height:280px;padding:27px}.hero-record h2{font-size:30px}.hero-record p{max-width:240px;font-size:12px}.notebook-art{opacity:.6;width:190px;right:-16px;bottom:8px}.hero-scan{min-height:180px;padding:23px}.hero-scan .scan-icon{position:absolute;right:25px;top:27px;width:40px;height:40px}.hero-scan h2{font-size:23px}.hero-scan p{max-width:230px;margin:9px 0 14px}.scan-art{display:none}.quick-actions{gap:12px;margin:16px 0 30px}.quick-action{padding:17px 13px;gap:10px;min-height:100px;align-items:flex-start}.quick-action>svg{width:20px;height:20px;margin-top:3px}.quick-action strong{font-size:13px}.quick-action small{font-size:10px;line-height:1.6}.quick-action .end-icon{display:none}.section-head h2{font-size:17px}.section-head h2 span{font-size:10px;margin-left:8px}.note-row{grid-template-columns:38px minmax(0,1fr) 13px;gap:12px;padding:17px 0}.file-icon{width:36px;height:43px}.note-row h3{font-size:14px}.note-row p{font-size:11px}.row-meta{display:none}.empty-state{padding:22px 18px;gap:13px;flex-wrap:wrap}.empty-state>svg{width:30px}.empty-state .text-link{margin-left:43px}.toolbar{gap:10px}.toolbar .search-field{flex-basis:100%;max-width:none}.filter-tabs button{font-size:11px;padding:6px 10px}.toolbar select{font-size:11px;min-width:0;max-width:130px}.count{font-size:10px}.panel{padding:20px}.fields-row{grid-template-columns:1fr;gap:14px}.timer{font-size:24px}.record-controls{gap:9px}.record-controls .button{padding:10px 13px;font-size:12px}.capture-preview{min-height:180px}.scan-workspace{grid-template-columns:1fr}.scan-pages{flex-direction:row;overflow:auto;max-width:100%;padding-bottom:6px}.page-thumb{min-width:80px;width:80px;flex:none;padding:6px}.page-thumb img{height:72px}.scan-stage{padding:19px;min-height:290px}.scan-tools{grid-column:auto;grid-template-columns:1fr}.scan-tools .button{margin-top:14px}.scan-tools h3{margin-bottom:14px}.scan-tools .tool-row{margin-top:14px}.scan-tools .help-line,.scan-tools .notice,.scan-tools h3{grid-column:auto}.scan-tabs{gap:20px}.note-tabs button{font-size:12px}.note-heading{font-size:24px!important}.note-paper{padding:21px;min-height:300px}.note-editor{font-size:14px;min-height:280px}.note-aside{grid-template-columns:1fr}.rule-form{grid-template-columns:1fr 18px 1fr;gap:8px}.rule-form .button{grid-column:1/-1}.rule-form>span{padding-top:21px}.terms-layout{gap:16px}.stats-summary{gap:28px}.stats-summary b{font-size:28px}.notice{font-size:11px}.term-chips{gap:7px}.term-chip{font-size:11px;padding:6px 9px}.share-link-row{flex-wrap:wrap}.share-link-row .button{margin:0}.share-link-row input{flex-basis:100%}}
@media print{body{background:#fff;font-size:12pt}.app-header,.app-footer,.note-aside,.page-back,.note-tabs,.note-meta,.no-print,#toast,.autosave{display:none!important}main{padding:0;max-width:none}.note-layout{display:block}.note-paper{border:0;padding:0;min-height:0}.note-editor,.note-heading{display:none}.print-only{display:block}.print-title{font-size:24pt;margin-bottom:18pt}.print-body{white-space:pre-wrap;line-height:1.9}.print-page{break-before:page}.print-page img{max-width:100%;max-height:240mm;object-fit:contain}.formula-item{break-inside:avoid}h2,h3{break-after:avoid}img{break-inside:avoid}.katex{font-size:1.1em}.source-page{break-inside:avoid}.notice{display:none}.note-content-head{display:none}}
main:focus{outline:none}.crop-wrap img,.scan-selection img{height:auto;max-height:none}
.sync-layout{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:28px;align-items:start}.sync-layout .field{margin:20px 0}.sync-layout .check-line{margin-top:18px}.sync-pairing{display:grid;grid-template-columns:minmax(0,1fr) 132px;gap:18px;align-items:start;margin:24px 0}.sync-code{display:block;font-family:ui-monospace,monospace;font-size:32px;letter-spacing:3px;line-height:1.6;white-space:nowrap;color:var(--ink)}.sync-qr{background:#fff;padding:5px;border-radius:8px}.sync-qr svg{display:block;width:100%;height:auto}.sync-device,.sync-request{display:flex;gap:12px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}.sync-device>span,.sync-request>span{flex:1;min-width:0;overflow-wrap:anywhere}.sync-device small,.sync-request small{display:block;font-size:11px;color:var(--muted);margin-top:4px}.sync-request{flex-wrap:wrap}.sync-danger{display:block;color:var(--error);margin-top:18px}.sync-layout .button:disabled{opacity:.55}#sync-message{margin-bottom:24px}#sync-join-code{text-transform:uppercase;letter-spacing:2px;font-family:ui-monospace,monospace}
@media(max-width:850px){.sync-layout{grid-template-columns:1fr}.app-header nav a{padding-left:18px;padding-right:18px}}@media(max-width:580px){.app-header nav a{padding-left:7px;padding-right:7px}.sync-code{font-size:25px;letter-spacing:1px}.sync-pairing{grid-template-columns:minmax(0,1fr) 106px;gap:12px}.sync-layout{gap:18px}#sync-connected{font-size:10px;white-space:nowrap}.sync-layout .panel{min-width:0}}
.skip{clip-path:inset(50%);height:1px;overflow:hidden;white-space:nowrap;width:1px;padding:0}.skip:focus{clip-path:none;width:auto;height:auto;padding:12px 20px}.formula-item textarea{min-height:84px}.scan-text .formula-item textarea{min-height:84px}.transcript .speech-line{display:flex}.note-paper>.speech-line{display:flex;gap:16px;margin-bottom:22px}