:root{--paper:#f7f6f1;--surface:#ffffff;--ink:#181b19;--ink-soft:#505651;--muted:#858b86;--line:#dfe1dc;--line-strong:#c9cdc7;--blue:#164f86;--blue-dark:#0d3d6d;--blue-pale:#e8f0f7;--sidebar:#f0f0eb;--shadow-paper:0 18px 50px rgb(31 38 34/9%);--font-ui:"Avenir Next",Avenir,"Noto Sans SC","PingFang SC",sans-serif;--font-editorial:"Iowan Old Style","Palatino Linotype","Noto Serif SC",serif}*{box-sizing:border-box}body,html{min-height:100%}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-ui);font-size:16px;font-weight:500;-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit}button{color:inherit}[role=button]:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--blue);outline-offset:2px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.library-shell{min-height:100vh;display:grid;grid-template-columns:232px 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ease}.primary-button:hover{background:var(--blue-dark);border-color:var(--blue-dark)}.primary-button:active{transform:translateY(1px)}.library-sidebar{grid-column:1;grid-row:2;min-height:0;padding:24px 14px 14px;display:flex;flex-direction:column;background:var(--sidebar)}.sidebar-scroll{min-height:0;overflow-y:auto}.empty-kicker,.nav-eyebrow,.section-kicker{margin:0;color:var(--muted);font-size:12px;font-weight:750;letter-spacing:.15em;text-transform:uppercase}.nav-eyebrow{padding:0 10px 8px}.nav-list{list-style:none;padding:0;margin:0}.nav-list li+li{margin-top:2px}.nav-item,.quiet-action{width:100%;border:0;background:transparent;display:flex;align-items:center;gap:10px;color:var(--ink-soft);cursor:pointer;text-align:left}.nav-item{height:36px;padding:0 10px;font-size:14px}.nav-item:hover,.quiet-action:hover{color:var(--ink);background:rgb(255 255 255/60%)}.nav-item.is-active{color:var(--blue-dark);background:var(--surface);box-shadow:inset 2px 0 0 var(--blue);font-weight:650}.nav-item span:nth-child(2){flex:1 1}.nav-count{color:var(--muted);font-size:13px}.sidebar-section{margin-top:30px}.nav-section-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;padding-right:4px}.nav-section-heading .nav-eyebrow{padding-bottom:8px}.nav-inline-action{width:28px;height:28px;border:1px solid transparent;border-radius:4px;background:transparent;display:grid;place-items:center;color:var(--muted);cursor:pointer}.nav-inline-action:hover{border-color:var(--line);color:var(--blue-dark);background:var(--surface)}.folder-create-form{display:grid;grid-template-columns:1fr auto;gap:6px;margin:0 4px 8px}.folder-create-form input{min-width:0;height:32px;border:1px solid var(--line-strong);border-radius:4px;background:var(--surface);padding:0 9px;color:var(--ink);font-size:13px}.folder-create-form button{height:32px;border:1px solid var(--blue);border-radius:4px;background:var(--blue);padding:0 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var(--line-strong);box-shadow:var(--shadow-paper)}.paper-sheet-back{left:12%;top:13%;transform:rotate(-5deg);background:#edeee9}.paper-sheet-front{right:10%;top:4%;padding:12% 10%;transform:rotate(2.5deg);overflow:hidden}.paper-sheet-front:after{content:"";position:absolute;inset:auto -20% 6% 28%;height:1px;background:var(--blue);transform:rotate(-28deg);transform-origin:right}.paper-index{position:absolute;right:8%;top:5%;color:var(--muted);font-family:var(--font-editorial);font-size:14px}.paper-line{display:block;height:3px;margin-bottom:7px;background:#cdd1cc}.paper-line-title{width:70%;height:8px;margin:5% 0 18%;background:var(--ink)}.paper-line-short{width:62%}.paper-columns{display:grid;grid-template-columns:1fr 1fr;gap:7%;height:50%;margin-top:14%}.paper-columns span{background:repeating-linear-gradient(180deg,#d7dad5 0 2px,transparent 2px 7px)}.paper-icon{position:absolute;left:4%;bottom:9%;width:54px;height:54px;padding:14px;color:#fff;background:var(--blue);box-shadow:0 12px 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var(--line-strong)}.import-tabs button{height:34px;border:0;border-bottom:2px solid transparent;background:transparent;color:var(--muted);font-size:12px;cursor:pointer}.import-tabs button.is-active{border-bottom-color:var(--blue);color:var(--blue-dark);font-weight:720}.import-tabs button:disabled{cursor:wait;opacity:.55}.remote-import-form{min-height:213px;display:flex;flex-direction:column;justify-content:center;border:1px solid var(--line);background:var(--paper);margin-top:18px;padding:24px}.remote-import-form label{color:var(--ink);font-size:13px;font-weight:720}.remote-import-form input{height:38px;margin-top:8px;border:1px solid var(--line-strong);background:var(--surface);padding:0 11px;color:var(--ink);font-size:13px}.remote-import-form input:focus{border-color:var(--blue);outline:1px solid var(--blue);outline-offset:-1px}.remote-import-form p{margin:8px 0 14px;color:var(--muted);font-size:12px;line-height:1.55}.remote-import-form 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var(--line);color:var(--muted);font-size:12px}.settings-dialog{width:min(620px,100%);max-height:min(760px,92vh);overflow-y:auto;border:1px solid var(--line-strong);background:var(--surface);box-shadow:0 30px 90px rgb(24 27 25/22%);padding:22px}.settings-dialog>header{display:flex;align-items:start;justify-content:space-between;margin-bottom:20px}.settings-dialog h2{margin:5px 0 0;font-family:var(--font-editorial);font-size:30px;font-weight:500;letter-spacing:-.04em}.settings-card{display:grid;grid-template-columns:24px minmax(0,1fr);gap:11px;border-top:1px solid var(--line);padding:17px 0}.settings-card>svg{color:var(--blue)}.settings-card h3{margin:0;font-size:14px}.settings-card p{margin:6px 0 0;color:var(--muted);font-size:12px;line-height:1.65}.settings-card code{display:block;margin-top:9px;color:var(--blue-dark);font-size:12px}.settings-actions{display:flex;gap:7px;margin-top:13px}.settings-actions button{min-height:32px;border:1px solid var(--line-strong);background:var(--paper);display:inline-flex;align-items:center;gap:6px;padding:0 10px;color:var(--ink-soft);font-size:12px;cursor:pointer}.settings-actions button:first-child{border-color:var(--blue);background:var(--blue);color:white}.settings-actions button:disabled{opacity:.55;cursor:wait}.settings-card .settings-message{display:flex;align-items:flex-start;gap:5px;color:var(--blue-dark)}.account-card{padding-top:13px}.account-card>div{min-width:0}.account-footer,.account-heading,.account-subsection-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.account-heading>div{min-width:0}.account-heading h3{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.account-label{margin:0 0 3px!important;color:var(--muted)!important;font-size:12px!important;font-weight:750;letter-spacing:.14em}.role-badge{flex:0 0 auto;border:1px solid var(--line-strong);display:inline-flex;align-items:center;gap:5px;padding:4px 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