:root{color-scheme:light;--bg:#f8f3ea;--panel:#f0e8dc;--ink:#49362a;--muted:#88786a;--line:#e4d8c9;--accent:#b75d28;--card:#fcf8f1;--soft:#f0e3d3;--text-size:clamp(17px,2.5vw,27px) }*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,DengXian,PingFang SC,sans-serif;font-size:14px;transition:background .25s,color .25s}body.dark{color-scheme:dark;--bg:#241b16;--panel:#2e221b;--ink:#f2e7da;--muted:#ad9785;--line:#49362a;--accent:#e5a26d;--card:#30241d;--soft:#493124 }button,input,textarea,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:0;background:none;color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:4px}button{transition:background .15s,transform .15s}button:hover{background:var(--soft)}button:active{transform:translateY(1px)}[hidden]{display:none!important}.screen{background:var(--bg);color:var(--ink);min-height:100dvh}.sidebar{width:236px;background:var(--panel);border-right:1px solid var(--line);padding:42px 25px;position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-size:23px;font-weight:600;letter-spacing:3px}.brand-mark{display:grid;place-items:center;background:var(--accent);color:var(--bg);border-radius:9px;width:37px;height:40px;font-family:serif;font-weight:400;font-size:23px}.brand-dot{color:var(--muted)}.side-heading{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:11px;letter-spacing:2px;margin:55px 10px 12px}.icon-button{width:34px;height:34px;border-radius:7px;font-size:20px}.folder-row{display:flex;align-items:center;border-radius:7px;margin:6px 0}.folder-row.active{background:var(--soft);color:var(--accent)}.folder-button{display:flex;gap:12px;padding:13px 14px;align-items:center;flex:1;text-align:left;min-width:0;border-radius:7px}.folder-button .folder-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.folder-button small{margin-left:auto;color:var(--muted)}.folder-delete{font-size:15px;color:var(--muted);margin-right:5px}.side-footer{margin-top:auto;padding:24px 10px 0}.small-mark{font-size:29px;color:var(--accent)}.side-footer p{line-height:1.9;color:var(--muted);font-size:12px;margin:16px 0 25px}.local-badge{font-size:10px;color:var(--muted)}.library-main{margin-left:236px;min-height:100dvh;padding:36px clamp(28px,6vw,100px);display:flex;flex-direction:column}.library-header{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:12px}.secondary{border:1px solid var(--line);border-radius:6px;padding:9px 12px;font-size:12px}.library-title{margin:75px 0 42px;display:flex;align-items:center;justify-content:space-between;gap:20px}.eyebrow{font-size:10px;letter-spacing:2.5px;color:var(--muted);font-weight:500}.library-title h1{font-size:34px;font-weight:500;letter-spacing:2px;margin:15px 0 12px}.library-title p:last-child{color:var(--muted);font-size:13px}.primary{background:var(--accent);color:var(--bg);border-radius:7px;padding:13px 20px;white-space:nowrap}.primary:hover{background:var(--ink)}.primary span{font-size:19px;margin-right:8px}.list-heading{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:0 0 16px;color:var(--muted);font-size:11px}.projects{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px;padding:24px 0}.project-card{background:var(--card);border:1px solid var(--line);border-radius:9px;padding:23px;text-align:left;position:relative;min-width:0;transition:transform .2s,border-color .2s}.project-card:hover{transform:translateY(-3px);border-color:var(--accent)}.project-open{width:100%;text-align:left;padding:0;border-radius:3px}.project-open:hover{background:none}.paper-icon{display:block;font-size:22px;color:var(--accent);margin-bottom:20px}.project-card h2{font-size:17px;font-weight:500;margin:0 0 12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.project-excerpt{height:48px;line-height:1.9;color:var(--muted);font-size:12px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.project-info{display:flex;justify-content:space-between;color:var(--muted);font-size:10px;margin:23px 0 17px}.project-actions{display:flex;gap:10px;border-top:1px solid var(--line);padding-top:12px}.folder-select{position:relative;flex:1;min-width:0}.folder-select:after{content:"";position:absolute;right:12px;top:50%;width:5px;height:5px;border-right:1.5px solid var(--muted);border-bottom:1.5px solid var(--muted);transform:translateY(-70%) rotate(45deg);pointer-events:none}.project-actions select{width:100%;min-width:0;appearance:none;-webkit-appearance:none;border:1px solid var(--line);border-radius:4px;padding:7px 28px 7px 10px;background:var(--card);color:var(--muted);font-size:11px;box-shadow:none}.delete-project{color:var(--muted);font-size:17px}.empty{text-align:center;padding:65px 0 85px}.empty>span{font-family:serif;font-size:65px;font-weight:200;color:var(--line)}.empty h2{font-size:20px;font-weight:400;letter-spacing:2px}.empty p{color:var(--muted);line-height:2;font-size:13px}.text-button{border-radius:6px;padding:8px;color:var(--accent)}.empty .text-button{margin-top:10px}.library-footer{margin-top:auto;border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;color:var(--muted);font-size:10px;letter-spacing:1px}.library-footer span{font-size:9px}.editor-header{height:100px;padding:30px 45px;display:flex;align-items:center;justify-content:space-between}.document-meta{display:flex;flex-direction:column;align-items:center;gap:7px}.document-meta input{border:0;background:none;text-align:center;color:var(--ink);font-size:13px;width:220px}.document-meta input::placeholder{color:var(--muted)}.writing-main{height:calc(100dvh - 185px);display:flex;flex-direction:column;align-items:center;justify-content:center;padding-bottom:55px}.writing-intro{margin-bottom:75px}.writing-surface{width:20em;font-size:var(--text-size);position:relative;height:4em;cursor:text;font-family:Times New Roman,DengXian,等线,PingFang SC,sans-serif;font-weight:400;line-height:2;letter-spacing:0;font-synthesis:weight style}#writing-lines{height:4em;position:absolute;inset:0;pointer-events:none}.writing-row{height:2em;white-space:pre;display:flex;align-items:baseline}.writing-row.previous{opacity:.23}.glyph{display:inline-block;flex-shrink:0;white-space:pre}.glyph.bold{font-weight:700}.glyph.italic{font-style:italic}.glyph.strike{text-decoration:line-through}.glyph.code{background:var(--soft);border-radius:2px}.cursor{display:inline-block;width:1.5px;height:1.05em;background:var(--ink);vertical-align:-.13em;animation:blink 1.2s step-end infinite;position:absolute;margin-top:.5em}.cursor-slot{width:0;position:relative;flex-shrink:0}.composing{border-bottom:1px dotted var(--accent)}@keyframes blink{50%{opacity:0}}#input{position:absolute;left:0;top:2em;width:100%;height:2em;resize:none;border:0;outline:0;padding:0;background:transparent;color:transparent;caret-color:transparent;font:inherit;line-height:2;overflow:hidden;white-space:pre-wrap;-webkit-text-fill-color:transparent}#input::selection{background:transparent}#writing-placeholder{position:absolute;top:2em;left:2em;color:var(--muted);opacity:.6;pointer-events:none;white-space:nowrap}#writing-placeholder .cursor{margin-left:8px}.writing-hint{text-align:center;color:var(--muted);font-size:11px;letter-spacing:1px;margin-top:60px}.writing-hint span{display:block;font-size:10px;margin-top:12px;opacity:.65;letter-spacing:.5px}.editor-footer{height:85px;padding:20px 45px;display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:11px}.editor-tools{display:flex;align-items:center;gap:14px}.tool-button{padding:9px 8px;border-radius:5px;font-size:11px;display:flex;align-items:center;gap:9px}.toggle{display:inline-block;width:25px;height:14px;background:var(--line);border-radius:10px;position:relative}.toggle:after{content:"";position:absolute;left:3px;top:3px;width:8px;height:8px;border-radius:50%;background:var(--bg)}[aria-pressed=true] .toggle{background:var(--accent)}[aria-pressed=true] .toggle:after{left:14px}.tool-divider{height:15px;width:1px;background:var(--line)}body.focus .editor-header,body.focus .editor-footer,body.focus .writing-intro,body.focus .writing-hint{display:none}body.focus .writing-main{height:100dvh;padding:0}dialog{border:1px solid var(--line);border-radius:12px;background:var(--bg);color:var(--ink);padding:30px;width:min(400px,90vw)}dialog::backdrop{background:#241b1655;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}dialog h2{font-weight:500;margin:20px 0}dialog input{width:100%;padding:12px;border:1px solid var(--line);border-radius:6px;background:var(--card);color:var(--ink)}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:25px}#toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:var(--ink);color:var(--bg);padding:12px 20px;border-radius:7px;font-size:12px;z-index:20;max-width:90vw}body.focus #toast{display:none}@media(max-width:700px){.sidebar{width:165px;padding:25px 12px}.brand{font-size:20px}.side-heading{margin-top:35px}.library-main{margin-left:165px;padding:25px 22px}.library-title{margin-top:45px;align-items:flex-start;flex-direction:column}.library-title h1{font-size:28px}.library-header .theme-button span,.library-footer span{display:none}.editor-header{padding:22px 18px}.editor-footer{padding:15px 12px}.editor-tools{gap:3px}.tool-button{font-size:10px;padding:8px 5px}.writing-intro{margin-bottom:55px}.writing-hint{margin-top:45px}.document-meta input{width:165px}}@media(max-width:450px){.sidebar{position:static;width:auto;border-right:0;border-bottom:1px solid var(--line);padding:20px}.side-heading,.side-footer{display:none}.brand{margin-bottom:16px}.sidebar nav{display:flex;overflow-x:auto;gap:5px}.folder-row{flex-shrink:0}.folder-button{padding:10px;font-size:12px}.library-main{margin:0;padding:25px 20px;min-height:calc(100dvh - 147px)}.library-title{margin:30px 0}.library-title .eyebrow{font-size:9px}.projects{grid-template-columns:1fr}.empty{padding:35px 0}.writing-surface{font-size:clamp(14px,4.5vw,18px)}.editor-tools{gap:1px}.tool-divider{display:none}.writing-hint{font-size:10px}.writing-intro .eyebrow{font-size:8px}.editor-header{padding:20px 12px}}@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}.cursor{top:.5em;margin-top:0}.cursor-slot{height:2em;align-self:flex-start}.glyph.chinese{font-family:DengXian,等线,PingFang SC,sans-serif}.glyph.ellipsis{letter-spacing:0;font-kerning:normal}.ellipsis-ink{display:inline-block;transform-origin:left center}#editor:fullscreen{background:var(--bg);color:var(--ink);width:100%;height:100%}#editor::backdrop{background:transparent}.sidebar-bottom{margin-top:auto;padding-top:24px}.trash-toggle{display:grid;place-items:center;width:30px;height:30px;border-radius:5px;color:var(--muted);opacity:.55}.trash-toggle:hover,.trash-toggle:focus-visible,.trash-toggle[aria-pressed=true]{opacity:1}.project-open:disabled{cursor:default}.restore-project{padding:4px 0;color:var(--accent);font-size:12px;border-radius:3px}#folders{min-height:0;overflow-y:auto}@media(max-width:450px){.sidebar{position:relative}.sidebar-bottom{position:absolute;top:20px;right:20px;margin:0;padding:0}}.unlock-screen{min-height:100dvh;display:grid;place-items:center;padding:24px;background:var(--bg)}.unlock-form{width:min(320px,100%);display:flex;flex-direction:column;gap:18px}.unlock-form h1{font-size:26px;font-weight:500;margin:0 0 12px;text-align:center;letter-spacing:4px}.unlock-form input{width:100%;padding:14px;font-size:16px;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:7px}#unlock-error{min-height:1.5em;margin:0;color:var(--accent);font-size:12px;text-align:center}.sidebar-bottom{display:flex;gap:8px}#editor{height:var(--viewport-height,100dvh);min-height:var(--viewport-height,100dvh);display:flex;flex-direction:column;overflow:hidden}#editor .writing-main{flex:1;min-height:4em;height:auto}body.focus #editor .writing-main{height:auto}@media(max-width:700px){#editor .editor-header{flex-shrink:0;height:64px;padding:12px max(16px,env(safe-area-inset-left))}#editor .editor-footer{flex-shrink:0;height:auto;min-height:58px;padding:8px max(12px,env(safe-area-inset-left)) max(8px,env(safe-area-inset-bottom))}#editor .writing-main{padding:0 0 24px}.editor-tools{width:100%;justify-content:space-between;gap:0}.tool-button{min-height:40px;padding:8px 6px;font-size:11px}.writing-surface{font-size:clamp(14px,calc((100vw - 32px)/20),22px)}#input{font-size:max(16px,1em)}body.keyboard-open #editor .editor-header{display:none}body.keyboard-open #editor .writing-main{padding-bottom:0}.document-meta input,.project-actions select{font-size:16px}}