:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#202b43;background:#f5f7fb;font-synthesis:none;--blue:#243b75;--muted:#677389;--line:#e2e7f0}*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button,a,input,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:1px solid var(--line);background:#fff;color:inherit;border-radius:9px;padding:10px 14px;font-size:14px;font-weight:550}button:hover{background:#edf1f8}button:disabled{opacity:.5;cursor:wait}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,[role=button]:focus-visible{outline:3px solid #90ace9;outline-offset:3px}[hidden]{display:none!important}.primary{background:var(--blue);color:white;border-color:var(--blue);padding:12px 19px}.primary:hover{background:#324f92}.quiet{border-color:transparent;background:transparent}.danger{color:#a73943}.wide{width:100%}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.login-shell{min-height:100dvh;display:grid;place-items:center;padding:32px;background:radial-gradient(ellipse at 75% 12%,#e0e8f9,transparent 54%),#f5f7fb}.login-card{background:white;border:1px solid var(--line);border-radius:22px;padding:44px;width:min(100%,430px);box-shadow:0 22px 80px #243b750b}.brand-mark{width:52px;height:52px;border-radius:14px;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:25px;font-weight:650}.eyebrow{font-size:13px;color:var(--muted);letter-spacing:1.5px;margin:27px 0 10px}.login-card h1{font-size:32px;letter-spacing:-1px;margin:0}.intro{font-size:16px;line-height:1.85;color:var(--muted);margin:17px 0 32px}.login-card label{display:block;font-size:14px;margin-bottom:10px}.login-card input{width:100%;padding:14px 16px;border:1px solid #ccd5e5;border-radius:9px;background:#fbfcfe;font-size:18px}.login-card .primary{width:100%;display:flex;justify-content:space-between}.error{color:#a73943;min-height:20px;font-size:14px;margin:10px 0}.login-foot{font-size:12px;text-align:center;color:#7d8798;margin:25px 0 0}.topbar{height:76px;background:white;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 32px;gap:12px}.brand,.header-actions{display:flex;align-items:center;gap:13px}.small{width:34px;height:34px;border-radius:9px;font-size:18px}.brand strong{font-size:18px;white-space:nowrap}.desktop-label{font-size:13px;color:#75829a;margin-left:14px}.connection{font-size:13px;color:#50776b}.connection::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:currentColor;margin-right:7px}.connection.offline{color:#a76827}.layout{display:grid;grid-template-columns:292px minmax(0,1fr);min-height:calc(100dvh - 76px)}.sidebar{background:#f7f9fd;border-right:1px solid var(--line);display:flex;flex-direction:column;padding:26px 20px 18px;min-width:0}.tabs{display:flex;gap:6px;margin-bottom:25px;padding:4px;background:#e9edf5;border-radius:11px}.tabs button{flex:1;background:transparent;border:0;color:#64718b}.tabs button.active{background:white;color:var(--blue);box-shadow:0 2px 6px #1727430a}.tabs span{font-size:12px;margin-left:5px;opacity:.6}.search{display:block;margin:20px 0 14px}.search input{width:100%;padding:11px 12px;font-size:14px;border:1px solid var(--line);border-radius:9px;background:white}.note-list{display:flex;flex-direction:column;gap:7px;max-height:calc(100dvh - 325px);overflow:auto}.note-item{text-align:left;width:100%;border:1px solid transparent;background:transparent;padding:16px 14px}.note-item.active{background:white;border-color:#cbd7ef;box-shadow:0 3px 10px #1a2d5206}.note-item strong{display:block;font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.note-item p{font-size:13px;font-weight:400;color:#68758b;margin:8px 0 13px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;white-space:pre-wrap;overflow-wrap:anywhere}.note-item time{font-size:12px;font-weight:400;color:#8993a4}.sidebar-foot{margin-top:auto;padding-top:24px;font-size:12px;color:#8b96a9;text-align:center}.file-help h2{font-size:18px;margin:0 0 18px}.file-help p{font-size:14px;line-height:1.9;color:var(--muted);margin:0 0 20px}.file-help #file-limits{padding-top:20px;border-top:1px solid var(--line)}main{background:white;min-width:0}#notes-view{height:100%}.empty{min-height:70dvh;display:flex;align-items:center;justify-content:center;flex-direction:column;padding:35px;text-align:center}.empty-icon{font-size:45px;color:#8d9fbc;margin-bottom:15px}.empty h2{font-size:22px;font-weight:600}.empty p{color:var(--muted);font-size:15px;line-height:1.8;margin:0 0 25px}.editor-toolbar{min-height:72px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:12px 32px;gap:12px}.editor-toolbar>span{font-size:13px;color:var(--muted);white-space:nowrap}.editor-actions{display:flex;align-items:center;gap:2px;flex-wrap:wrap}.paper{padding:42px clamp(24px,5vw,80px) 20px;max-width:1250px;margin:auto}.title-input{display:block;font-size:30px;font-weight:650;color:#1b2944;border:0;background:transparent;width:100%;padding:5px 0;outline-offset:7px}.title-input::placeholder{color:#a2abba}.note-meta{display:flex;gap:18px;color:#8a94a5;font-size:12px;margin:18px 0 30px}#note-content{width:100%;min-height:calc(100dvh - 320px);resize:vertical;border:0;background:transparent;color:#33415b;font-size:16px;line-height:1.95;padding:4px 0;outline-offset:8px}#note-content::placeholder{color:#a1aabb}.conflict{margin:20px 32px 0;background:#fff6e6;border:1px solid #efc88f;padding:15px;border-radius:10px;font-size:14px;line-height:1.8}.conflict p{margin:0 0 10px}.conflict button{margin:0 6px 5px 0}.files-view{padding:42px clamp(22px,4vw,64px);max-width:1400px;margin:auto}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:32px}.section-heading .eyebrow{margin:0 0 10px}.section-heading h1{font-size:28px;margin:0}.drop-zone{padding:35px 22px;border:1.5px dashed #bac8e0;border-radius:14px;background:#f7f9fd;display:flex;align-items:center;flex-direction:column;gap:13px;text-align:center;cursor:pointer}.drop-zone.drag{border-color:var(--blue);background:#edf2ff}.upload-icon{display:grid;place-items:center;width:42px;height:42px;background:#e8eef9;color:var(--blue);font-size:27px;border-radius:12px}.drop-zone strong{font-size:16px;font-weight:550}.drop-zone>span:last-child{font-size:13px;color:var(--muted);line-height:1.7}.storage-line{display:flex;justify-content:space-between;align-items:center;gap:15px;margin:26px 0 10px;color:var(--muted);font-size:13px}.file-row{display:flex;align-items:center;gap:16px;border-bottom:1px solid var(--line);padding:20px 0}.file-icon{flex-shrink:0;display:grid;place-items:center;width:44px;height:48px;border:1px solid #dce4f0;border-radius:9px;background:#f5f8fd;color:#566d98;font-size:11px;font-weight:650}.file-info{flex:1;min-width:0}.file-name{font-size:15px;display:block;overflow-wrap:anywhere;font-weight:550}.file-info p{font-size:12px;color:#8390a3;margin:8px 0 0}.file-row a{color:var(--blue);text-decoration:none;font-size:14px;padding:10px}.upload-item{font-size:14px;border:1px solid var(--line);padding:16px;border-radius:10px;margin-top:12px;overflow-wrap:anywhere}.upload-item progress{display:block;width:100%;height:5px;margin-top:12px;accent-color:var(--blue)}.upload-item.error{color:#a73943}.muted{color:var(--muted);font-size:14px;line-height:1.8;padding:16px 4px}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#202f4b;color:white;padding:13px 22px;border-radius:10px;font-size:14px;max-width:90vw;z-index:10;box-shadow:0 5px 25px #0002}
@media(min-width:900px){.sidebar{position:sticky;top:0;height:calc(100dvh - 76px)}}@media(max-width:800px){.topbar{padding:0 18px;height:65px}.desktop-label{display:none}.layout{grid-template-columns:235px minmax(0,1fr)}.sidebar{padding:22px 13px}.editor-toolbar{padding:12px 16px;align-items:flex-start;flex-direction:column;gap:6px}.editor-actions button{padding:8px;font-size:13px}.paper{padding-top:26px}.title-input{font-size:25px}.header-actions{gap:5px}.connection{font-size:12px}.file-row{gap:9px}.file-row .quiet{padding:8px}.files-view{padding-top:28px}.file-icon{width:36px}}
@media(max-width:560px){.topbar{height:65px}.brand strong{font-size:16px}.brand{gap:8px}.header-actions .quiet{padding:8px}.layout{display:block}.sidebar{border-right:0;border-bottom:1px solid var(--line);padding:15px 16px}.tabs{margin-bottom:12px}.sidebar-foot,.file-help{display:none}#note-sidebar{display:grid;grid-template-columns:150px 1fr;gap:12px}.search{margin:0}.search input{height:100%}.note-list{grid-column:1/-1;flex-direction:row;max-height:130px}.note-item{min-width:165px;width:165px;padding:11px}.note-item p{margin:6px 0;-webkit-line-clamp:1}.empty{min-height:48dvh;padding:25px 20px}.empty h2{font-size:20px}.editor-toolbar{padding:12px 16px}.editor-actions{width:100%;justify-content:space-between}.paper{padding:26px 22px 15px}.note-meta{margin:13px 0 22px}#note-content{min-height:42dvh}.section-heading h1{font-size:24px}.section-heading .primary{font-size:13px;padding:10px 12px}.file-row{flex-wrap:wrap}.file-info{flex-basis:calc(100% - 60px)}.file-row a{margin-left:45px}.file-row>a,.file-row>button{padding-top:3px;padding-bottom:3px}.login-shell{padding:20px}.login-card{padding:30px}.conflict{margin:15px 16px 0}.connection{max-width:80px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}}