:root{--paper:#fff;--canvas:#f5f6f8;--ink:#242a35;--muted:#7d8594;--line:#e5e8ef;--blue:#4c68cb;--blue-light:#edf1ff;--radius:8px;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);font-size:14px;background:var(--canvas);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit;color:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer;background:none;border:0}button:disabled{cursor:default;opacity:.45}a{color:var(--blue);text-decoration:none}button,select,a{transition:background .15s,color .15s,border-color .15s}button:focus-visible,a:focus-visible{outline:2px solid var(--blue);outline-offset:3px}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--blue)}[hidden]{display:none!important}svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;vertical-align:middle;flex-shrink:0}h1,h2,h3,p{margin:0}input[type=checkbox]{width:17px;height:17px;accent-color:var(--blue);flex-shrink:0;cursor:pointer}textarea{resize:vertical}button span[data-icon]{display:inline-flex}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.topbar{height:64px;background:var(--paper);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 32px;position:relative;z-index:5}.brand{display:flex;align-items:baseline;gap:16px}.wordmark{font-family:Georgia,"Times New Roman",serif;font-size:34px;letter-spacing:-1.5px;color:#161d2b;line-height:1}.brand>span{font-size:13px;color:var(--muted)}.topbar nav{height:100%;position:absolute;left:50%;transform:translateX(-50%);display:flex;gap:20px}.nav-link{font-size:15px;padding:0 20px;border-bottom:2px solid transparent;color:#5b6476}.nav-link.active{color:var(--blue);border-color:var(--blue)}.nav-link:hover{color:var(--blue)}.avatar{width:34px;height:34px;border-radius:50%;background:#eff1f5;color:#677081;font-size:15px}
.workspace{height:calc(100dvh - 64px);display:grid;grid-template-columns:minmax(0,1fr) clamp(355px,34%,510px)}.reading-column{min-width:0;position:relative;display:flex;flex-direction:column;overflow:hidden}.reader-toolbar{display:flex;align-items:center;gap:18px;min-height:80px;padding:16px 30px;flex-shrink:0}.document-picker{display:flex;align-items:center;gap:10px;background:white;border:1px solid #dee3ed;padding:10px 12px;border-radius:6px;min-width:0;max-width:310px;flex:1;box-shadow:0 1px 2px #151b2803}.document-picker strong{font-size:13px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;text-align:left}.document-picker svg{width:17px;height:17px}.document-picker>span:last-child{color:var(--muted)}.page-controls{display:flex;align-items:center;gap:3px;white-space:nowrap}.icon-button{width:34px;height:34px;padding:7px;display:inline-flex;align-items:center;justify-content:center;color:#717b8e;border-radius:6px}.icon-button:hover,.quiet:hover{background:#e9edf4;color:var(--ink)}.page-number{background:var(--paper);border:1px solid #e0e4ec;border-radius:5px;display:flex;align-items:center;font-size:13px;padding:6px 10px 6px 4px;gap:1px}.page-number input{width:29px;text-align:center;border:0;padding:0;appearance:textfield;background:none}.page-number input::-webkit-inner-spin-button{appearance:none}.page-number span{color:#697384;font-size:12px}.view-switch{display:flex;align-items:center;gap:10px}.view-switch button{padding:9px 1px;border-bottom:2px solid transparent;color:#7d8594;font-size:13px;white-space:nowrap}.view-switch .selected{color:var(--blue);border-color:var(--blue)}#pageZoom{font-size:11px;border:0;max-width:53px;background:none;color:var(--muted);cursor:pointer}.quiet{display:inline-flex;align-items:center;justify-content:center;gap:7px;color:var(--muted);padding:7px 8px;border-radius:5px;white-space:nowrap;font-size:13px}.compact{padding:7px 0;gap:6px;font-size:12px}.selected{color:var(--blue)}.reader-scroll{flex:1;min-height:0;overflow:auto;padding:14px 46px 28px;scrollbar-width:thin;scrollbar-color:#cdd2dc transparent}.page-surface{position:relative;margin:0 auto;background:var(--paper);box-shadow:0 4px 25px #26304307;min-height:120px}.page-surface>img{display:block;width:100%;height:auto}.page-footer{display:flex;justify-content:space-between;gap:10px;margin:16px auto 0;max-width:1080px;color:#939baa;font-size:11px}.page-footer a{color:#7d8594}.page-notice{font-size:11px;line-height:1.65;color:#808897;margin:0 0 12px}.text-layer{position:absolute;inset:0;overflow:hidden;line-height:1;color:transparent;user-select:text}.text-layer span{position:absolute;white-space:pre;transform-origin:left center;line-height:1.05;font-family:Arial}.text-layer ::selection{background:#6282de44;color:transparent}.plain-page{padding:42px 48px;font-size:16px;line-height:1.95;white-space:pre-wrap;overflow-wrap:anywhere;min-height:65vh}.region-layer{position:absolute;inset:0;cursor:crosshair;touch-action:none}.region-rect,.saved-region{position:absolute;border:2px solid var(--blue);background:#4c68cb18;pointer-events:none}.selection-bar{position:absolute;bottom:25px;left:50%;transform:translateX(-50%);display:flex;gap:14px;align-items:center;white-space:nowrap;background:#293244;color:white;padding:10px 14px;border-radius:9px;box-shadow:0 8px 30px #29324422;z-index:2;font-size:12px}.selection-bar button{color:white;font-size:12px}.selection-bar>span{color:#bac3d4}
.companion{background:var(--paper);border-left:1px solid var(--line);display:flex;flex-direction:column;min-width:0;overflow:hidden;padding:0 28px}.companion-head{display:flex;align-items:center;justify-content:space-between;height:80px;flex-shrink:0;border-bottom:1px solid var(--line)}.companion-head h2{font-size:21px;letter-spacing:.02em;font-weight:600}.companion-head>div{display:flex;gap:8px}.context-line{padding:20px 0 12px;font-size:12px;color:#939aa7;line-height:1.6;flex-shrink:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.selected-quote{flex-shrink:0;font-size:12px;color:#7d8594;line-height:1.7;border-left:2px solid #cdd6f1;padding:5px 12px;max-height:85px;overflow:auto;white-space:pre-wrap;margin-bottom:12px}.conversation{flex:1;overflow:auto;min-height:0;padding:5px 0 24px;scrollbar-width:thin;scrollbar-color:#dce1eb transparent}.empty-conversation{padding:80px 8px 24px;max-width:340px;margin:0 auto}.assistant-mark{width:34px;height:34px;border:1px solid #dfe5f7;border-radius:11px;color:var(--blue);display:flex;align-items:center;justify-content:center;margin-bottom:21px;background:#f6f8ff}.empty-conversation h3{font-size:20px;font-weight:500;letter-spacing:-.02em;line-height:1.6;margin-bottom:10px}.empty-conversation p{font-size:13px;color:var(--muted);line-height:1.85}.starter-list{display:flex;flex-direction:column;align-items:flex-start;gap:10px;margin-top:30px}.starter-list button{font-size:12px;display:flex;align-items:center;gap:12px;color:#657087;text-align:left;padding:8px 0}.starter-list svg{width:15px;height:15px;color:#9aa6c5}.message{margin-top:24px;font-size:14px;line-height:1.85;overflow-wrap:anywhere}.message.user{display:flex;flex-direction:column;align-items:flex-end;margin:18px 0 28px 35px}.message.user .message-text{background:#f1f2f5;padding:10px 15px;border-radius:12px 12px 3px 12px;max-width:100%;text-align:left}.message.user .message-tools{opacity:0;transition:opacity .15s;padding:3px 0 0}.message.user:hover .message-tools,.message.user:focus-within .message-tools{opacity:1}.message-text{white-space:pre-wrap;font-size:15px;line-height:1.9}.assistant-label{font-size:11px;color:var(--blue);display:flex;align-items:center;gap:6px;margin:0 0 10px}.assistant-label svg{width:15px;height:15px}.answer-body{font-size:15px;line-height:1.85;color:#4f596a}.answer-body p{margin:0 0 15px}.answer-body p:last-child{margin-bottom:0}.answer-body .answer-lead{font-size:16px;line-height:1.78;color:#252d3b;font-weight:500;letter-spacing:.005em;margin-bottom:18px}.answer-body h4{font-size:13px;line-height:1.55;font-weight:600;color:#27334b;margin:23px 0 8px;letter-spacing:.015em}.answer-body ul,.answer-body ol{margin:8px 0 17px;padding-left:1.45em}.answer-body li{padding-left:3px;margin:5px 0}.answer-body li::marker{color:#7f91c7;font-weight:600}.answer-body strong{font-weight:600;color:#2d3b58}.answer-cite{font-size:.86em;color:var(--blue);white-space:nowrap}.message-tools{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:12px;margin-top:14px;border-top:1px solid #eef0f5}.message.user .message-tools{border:0;margin:0}.message-tools .quiet{font-size:12px;padding:4px 0}.message-tools svg{width:16px;height:16px}.citation-list{padding:13px 12px 10px;margin-top:18px;border:1px solid #e8ebf2;border-radius:7px;background:#fafbfe;display:flex;flex-direction:column;gap:3px}.citation-heading{display:flex;align-items:center;gap:6px;font-size:10px;color:#929bad;letter-spacing:.04em;margin-bottom:4px}.citation-heading svg{width:13px;height:13px}.citation{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:11px;line-height:1.7;color:#5d6f9f;text-align:left;padding:4px 0}.citation span{flex:1}.citation svg{width:13px;height:13px;color:#9ba6c4}.followup{border-left:2px solid #dce3f4;padding-left:12px;margin-top:18px;color:#727e93;font-size:12px}.followup>span{display:block;font-size:10px;letter-spacing:.06em;color:#9aa3b3;margin-bottom:2px}.followup .quiet{padding:2px 0;white-space:normal;text-align:left;line-height:1.75;color:#5e6d8f}.message.error{font-size:12px;color:#9b5353;background:#fcf5f5;padding:10px 12px;border-radius:7px}.thinking{margin:20px 0;color:#8c98b6;font-size:12px;display:flex;align-items:center;gap:8px}.thinking:before{content:'';width:6px;height:6px;background:#8ca0db;border-radius:50%;animation:breathe 1.5s infinite}@keyframes breathe{50%{opacity:.35}}.composer-area{padding:12px 0 18px;flex-shrink:0;background:var(--paper)}.composer{border:1px solid #d5dbe7;border-radius:12px;padding:12px 13px 10px;transition:border-color .15s;box-shadow:0 1px 3px #222e4203}.composer:focus-within{border-color:#9aaadd;box-shadow:0 0 0 2px #4c68cb08}.composer textarea{display:block;min-height:50px;max-height:160px;width:100%;border:0;resize:none;padding:0;font-size:13px;line-height:1.7;background:transparent}.composer textarea::placeholder{color:#959ead}.composer-actions{display:flex;align-items:center;justify-content:space-between;gap:8px}.scope-picker{display:flex;align-items:center;gap:6px;color:#7d879a}.scope-picker svg{width:16px;height:16px}.scope-picker select{border:0;background:none;font-size:11px;color:#7d879a;max-width:170px}.send-button{border-radius:50%;width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--blue);color:white}.send-button:hover{background:#3954b7}.send-button:disabled{opacity:.45}.send-button svg{width:17px;height:17px}.composer-foot{display:flex;align-items:center;justify-content:space-between;margin-top:12px}.composer-foot>span{color:#a1a8b5;font-size:10px}.composer-foot .quiet{font-size:12px;padding:3px 0}.composer-foot svg{width:16px;height:16px}
.collection{max-width:1080px;margin:0 auto;padding:46px 24px 120px}.collection-header{display:flex;align-items:center;justify-content:space-between;gap:22px;margin-bottom:28px}.collection-header h2{font-size:27px;letter-spacing:-.02em;font-weight:600;margin-bottom:8px}.collection-header p{color:#8b93a2;font-size:13px;line-height:1.7}.header-actions{display:flex;gap:10px}.primary,.outline{padding:10px 16px;border-radius:6px;font-size:13px;display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:38px;white-space:nowrap}.primary{background:var(--blue);color:white;border:1px solid var(--blue)}.primary:hover{background:#3f59b9}.outline{background:white;border:1px solid #dbe0e9}.outline:hover{border-color:#aebce0;background:#fcfdff}.primary svg,.outline svg{width:17px;height:17px}.collection-tools{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:0;border-bottom:1px solid var(--line);padding-bottom:0}.filter-tabs{display:flex;gap:26px}.filter-tabs button{padding:14px 0 15px;color:#828b9b;font-size:13px;border-bottom:2px solid transparent}.filter-tabs button.active{border-color:var(--blue);color:var(--ink)}.search-box{display:flex;align-items:center;gap:8px;background:white;border:1px solid var(--line);border-radius:6px;padding:7px 11px;margin-bottom:8px;color:#8994a6;max-width:260px}.search-box svg{width:16px;height:16px}.search-box input{border:0;background:none;width:100%;min-width:0;font-size:12px;padding:0}.search-box input::placeholder{color:#9ba3b1}.list-meta{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:14px 4px;color:#8993a4;font-size:11px}.check-label{display:flex;align-items:center;gap:9px;font-size:12px;cursor:pointer}.list-meta .check-label{font-size:11px}.record-row{display:flex;align-items:flex-start;gap:20px;padding:27px 30px 24px;background:white;border-bottom:1px solid var(--line)}.record-row>input{margin-top:4px}.record-row.selected{background:#fcfdff;color:var(--ink)}.record-content{flex:1;min-width:0}.record-top{display:flex;gap:14px;align-items:center;color:#8b96a9;font-size:11px;margin-bottom:10px;flex-wrap:wrap}.record-top>span:first-child{color:var(--blue)}.record-title{font-size:17px;line-height:1.65;font-weight:550;color:#202939;margin:0 0 7px;overflow-wrap:anywhere}.record-body{font-size:13px;line-height:1.85;white-space:pre-wrap;overflow-wrap:anywhere;color:#5a6476}.record-body.clamped{display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}.expand-record{font-size:11px;color:var(--blue);margin-top:6px;padding:0}.record-source{margin-top:12px;text-align:left;display:flex;align-items:flex-start;gap:8px;font-size:11px;color:var(--blue);line-height:1.75}.record-source svg{width:15px;height:15px;margin-top:1px}.record-quote{margin:9px 0 0;border-left:2px solid #dce2ee;padding-left:12px;font-size:12px;line-height:1.75;color:#929bab;white-space:pre-wrap;max-height:64px;overflow:hidden}.record-actions{display:flex;align-items:center;gap:20px;margin-top:15px}.record-actions button{font-size:11px;color:#7f8aa0;display:flex;align-items:center;gap:7px;padding:3px 0}.record-actions svg{width:15px;height:15px}.record-actions button:hover{color:var(--blue)}.selection-summary{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:6;background:#293244;color:white;border-radius:28px;box-shadow:0 6px 25px #29324430;display:flex;align-items:center;gap:25px;padding:12px 20px;white-space:nowrap;font-size:12px}.selection-summary button{color:white;font-size:12px;display:flex;align-items:center;gap:8px}.selection-summary>span{padding-right:20px;border-right:1px solid #536075;display:flex;align-items:center;gap:8px}.selection-summary>span svg{width:17px;height:17px;color:#abc0ff}.selection-summary button:last-child{color:#bbc4d4}.collection-empty{text-align:center;padding:110px 20px;color:#939baa}.collection-empty>svg{width:35px;height:35px;color:#a8b6da;margin-bottom:20px}.collection-empty h3{font-size:18px;color:#45516b;font-weight:500;margin-bottom:9px}.collection-empty p{font-size:13px;line-height:1.9}.collection-empty .outline{margin-top:24px}
.dialog-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:24px}.dialog-head h2{font-size:19px;font-weight:550}.dialog-head .icon-button{margin-right:-7px}dialog{background:white;color:var(--ink);border:1px solid var(--line);border-radius:12px;padding:24px 28px;width:min(570px,calc(100vw - 32px));max-height:85dvh;box-shadow:0 15px 65px #1b2c4a24;overflow:auto}dialog::backdrop{background:#24304b20;backdrop-filter:blur(2px)}dialog.export-dialog{width:min(490px,calc(100vw - 32px));margin:auto max(20px,calc((100vw - 1320px)/2)) auto auto;max-height:90dvh;padding:22px}.export-dialog::backdrop{background:#27344b0b;backdrop-filter:none}.dialog-description{font-size:13px;line-height:1.8;color:#7d8594;margin-bottom:16px}.dialog-input,.dialog-textarea{width:100%;border:1px solid #dce1ea;border-radius:6px;padding:11px 12px;font-size:13px;line-height:1.65;background:white}.dialog-textarea{min-height:170px}.field-label{display:block;font-size:12px;color:#667084;margin:16px 0 7px}.dialog-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}.dialog-error{color:#a35353;font-size:12px;line-height:1.7;margin-top:10px}.kind-picker{display:flex;gap:10px;margin-bottom:16px}.kind-picker label{font-size:12px;display:flex;gap:5px;align-items:center;color:#788498}.export-options{display:flex;gap:18px;margin:18px 0}.export-label{display:flex;align-items:center;justify-content:space-between;color:#8a93a2;font-size:11px;margin-bottom:10px}.export-preview-wrap{background:#f5f6f8;padding:12px;border-radius:6px;max-height:45dvh;overflow:auto;scrollbar-width:thin;border:1px solid #edf0f5}.export-paper{padding:24px 22px;min-height:330px;background:white;box-shadow:0 2px 5px #29324409;font-size:10px;line-height:1.8}.paper-brand{font-family:Georgia,serif;font-size:16px;color:#212b40;display:flex;align-items:baseline;justify-content:space-between;margin-bottom:20px}.paper-brand span{font:9px -apple-system,sans-serif;color:#8c96a7}.export-paper h3{font-size:21px;line-height:1.5;font-weight:600;color:#202939;margin-bottom:6px;overflow-wrap:anywhere}.paper-meta{color:#929bab;font-size:9px;margin-bottom:24px}.paper-entry{margin-top:19px;padding-bottom:16px;border-bottom:1px solid #edf0f5;overflow-wrap:anywhere}.paper-entry h4{font-size:11px;margin:0 0 7px;font-weight:600}.paper-entry>p{white-space:pre-wrap;line-height:1.9;color:#667084}.paper-entry .paper-source{font-size:9px;color:#7183b5;margin-top:9px}.paper-entry blockquote{border-left:2px solid #dfe4ef;padding-left:9px;margin:8px 0 0;font-size:9px;color:#9aa2b0;white-space:pre-wrap}.paper-chat{margin-top:10px;font-size:9px;color:#8792a4}.paper-chat p{white-space:pre-wrap;margin:6px 0}.export-actions{display:flex;gap:10px;margin-top:15px}.export-actions button{flex:1}.export-progress{font-size:11px;color:#8a94a5;margin-top:10px;line-height:1.7}.material-group{font-size:11px;letter-spacing:.05em;color:#949dac;margin:10px 4px}.material-group.references{margin-top:23px}.material-row{display:flex;align-items:flex-start;gap:13px;width:100%;padding:14px 11px;text-align:left;border-radius:7px;margin:2px 0}.material-row>svg{color:#98a4bb;margin-top:2px;width:18px}.material-row .title{font-size:13px;line-height:1.65;display:block}.material-row .meta{display:block;color:#929aaa;font-size:11px;line-height:1.6;margin-top:4px}.material-row.active{background:var(--blue-light);color:var(--blue)}.material-row:hover{background:#f5f7fc}.search-hit{display:block;text-align:left;border-bottom:1px solid var(--line);padding:18px 0;width:100%}.search-hit strong{font-weight:500;color:#4b618d;font-size:12px}.search-hit p{font-size:12px;line-height:1.8;color:#8b93a2;max-height:66px;overflow:hidden;margin-top:6px}.history-row{display:block;text-align:left;padding:17px 0;border-bottom:1px solid var(--line);width:100%}.history-row strong{font-size:13px;font-weight:500;line-height:1.7;display:block;overflow-wrap:anywhere}.history-row span{font-size:11px;color:#939dac;display:block;margin-top:4px}.history-row:hover strong{color:var(--blue)}.inline-error{font-size:12px;line-height:1.6;color:#a35656;padding-top:8px}.muted{color:var(--muted)}.small{font-size:12px}.toast{position:fixed;bottom:32px;left:50%;transform:translateX(-50%);max-width:calc(100vw - 32px);background:#293244;color:white;padding:11px 20px;border-radius:7px;box-shadow:0 5px 20px #29324420;font-size:12px;z-index:30;line-height:1.7}.boot-status{margin:20vh auto;text-align:center;color:#8f98a8}.welcome{width:min(460px,calc(100vw - 50px));margin:16vh auto}.welcome h1{font-size:26px;font-weight:500;margin:32px 0 15px}.welcome p{font-size:14px;color:#7d8594;line-height:1.9;margin-bottom:28px}.welcome label{display:block;margin-bottom:8px;color:#7d8594;font-size:12px}.welcome form button{margin-top:20px}.mobile-only{display:none}
@media(min-width:1500px){.reader-toolbar{gap:24px}.reader-scroll{padding-left:70px;padding-right:70px}.companion{padding:0 32px}}
@media(max-width:1250px){.reader-toolbar{gap:10px;padding:16px 20px}.reader-scroll{padding:10px 28px 24px}.companion{padding:0 22px}#pageZoom{display:none}.document-picker{max-width:250px}.region-label{display:none}}
@media(max-width:1000px){.reader-toolbar{gap:8px;flex-wrap:wrap;min-height:94px;padding:10px 18px}.document-picker{max-width:none;flex-basis:100%;flex-grow:1}.reader-scroll{padding:10px 18px 22px}.page-controls{margin-right:auto}.view-switch{margin-right:12px}.companion{padding:0 20px}.empty-conversation{padding-top:50px}.collection{padding-top:35px}}
@media(max-width:760px){.topbar{height:58px;padding:0 18px}.wordmark{font-size:28px}.brand{gap:9px}.brand>span{font-size:10px}.topbar nav{position:static;transform:none;gap:4px;margin-left:auto;margin-right:16px}.nav-link{padding:0 12px;font-size:13px}.avatar{width:29px;height:29px;font-size:12px}.workspace{height:calc(100dvh - 58px);grid-template-columns:1fr}.reader-toolbar{padding:10px 15px;min-height:95px;gap:10px}.document-picker{flex-basis:auto;width:calc(100% - 90px);max-width:100%;order:0;height:36px}.page-controls{order:2;margin:0 auto 0 0}.view-switch{order:3;margin:0 10px 0 0}.view-switch button{padding:4px 0}#regionButton{order:4}#toggleCompanion{order:1;font-size:12px;padding:5px}.reader-scroll{padding:10px 14px 20px}.mobile-only{display:inline-flex}.companion{position:fixed;inset:58px 0 0;display:none;border:0;z-index:10;padding:0 22px}.companion.open{display:flex}.companion-head{height:64px}.companion-head h2{font-size:20px}.context-line{padding-top:17px}.empty-conversation{padding:70px 5px 35px;max-width:360px}.composer-area{padding-bottom:max(15px,env(safe-area-inset-bottom))}.collection{padding:29px 18px 105px}.collection-header{align-items:flex-start;flex-direction:column;gap:20px;margin-bottom:22px}.collection-header h2{font-size:25px}.header-actions{width:100%}.collection-tools{flex-wrap:wrap;gap:5px}.filter-tabs{gap:25px}.search-box{max-width:100%;width:100%;margin:5px 0 12px;order:-1}.record-row{padding:23px 16px 22px;gap:13px}.record-title{font-size:16px}.record-actions{gap:17px;flex-wrap:wrap}.record-top{gap:10px}.selection-summary{bottom:18px;max-width:calc(100vw - 32px);gap:18px;padding:12px 18px}.selection-summary>span{padding-right:17px}.collection-empty{padding:85px 5px}.plain-page{padding:26px 23px;font-size:14px}dialog{padding:20px;max-height:90dvh}dialog.export-dialog{margin:auto;width:calc(100vw - 24px);padding:20px;max-height:95dvh}.export-preview-wrap{max-height:41dvh}.dialog-head{margin-bottom:17px}.export-options{gap:14px}.export-options .check-label{font-size:11px}.selection-bar{gap:12px;max-width:calc(100vw - 24px);padding:11px;font-size:11px}.selection-bar button{font-size:11px}.page-footer{font-size:10px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
/* Reading-sized type, shared by the notebook and its export preview. */
.record-body{font-size:14px}.record-title{font-size:18px}.record-top{font-size:12px}.record-actions button{font-size:12px}.filter-tabs button{font-size:14px}.search-box input{font-size:13px}.record-source{font-size:12px}.record-quote{font-size:13px}.export-paper{font-size:11px}.export-paper h3{font-size:23px}.paper-entry h4{font-size:12px}.paper-entry .paper-source,.paper-entry blockquote{font-size:10px}.composer textarea{font-size:14px}
@media(max-width:760px){.record-title{font-size:16px}.record-body{font-size:13px}.record-top,.record-actions button,.record-source{font-size:11px}.record-quote{font-size:12px}}
@media(max-width:760px),(hover:none){.message.user .message-tools{opacity:1}}

/* Adjustable reading workspace and a quiet collapsed assistant rail. */
.workspace{--companion-width:440px;grid-template-columns:minmax(0,1fr) 7px clamp(340px,var(--companion-width),55vw)}
.panel-resizer{position:relative;cursor:col-resize;touch-action:none;background:transparent;z-index:3}
.panel-resizer:before{content:'';position:absolute;top:0;bottom:0;left:3px;width:1px;background:var(--line);transition:background .15s,width .15s}
.panel-resizer:hover:before,.panel-resizer:focus-visible:before,.panel-resizing .panel-resizer:before{left:2px;width:3px;background:#aebbe2}
.panel-resizing{cursor:col-resize;user-select:none}
.companion{position:relative;border-left:0}
.companion-rail{display:none;position:absolute;inset:0;width:100%;height:100%;padding:15px 0;color:#697692;align-items:center;flex-direction:column;gap:14px;font-size:11px;letter-spacing:.12em}
.companion-rail svg{width:17px;height:17px}
.companion-rail>span:last-child{writing-mode:vertical-rl}
.assistant-collapsed{grid-template-columns:minmax(0,1fr) 0 48px}
.assistant-collapsed .panel-resizer{width:0;pointer-events:none;visibility:hidden}
.assistant-collapsed .companion{padding:0;border-left:1px solid var(--line)}
.assistant-collapsed .companion>:not(.companion-rail){display:none!important}
.assistant-collapsed .companion-rail{display:flex}
.desktop-only{display:inline-flex}
.context-line{display:flex;flex-wrap:wrap;gap:6px 8px;white-space:normal;overflow:visible;padding-top:15px}
.context-line span{display:inline-flex;align-items:center;min-width:0;padding:4px 8px;border-radius:5px;background:#f5f6f9;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#contextLabel{color:#657087}#threadLabel{color:#9aa2b0;background:transparent;padding-left:0}
.message-context{display:flex;align-items:center;gap:6px;color:#8792a7;font-size:10px;line-height:1.4;margin:0 0 6px;padding:2px 1px;text-align:left}
.message-context:hover{color:var(--blue)}.message-context svg{width:13px;height:13px}
.message.user .message-context{margin-right:4px}
.curate-body{min-height:190px}.reflection-input{min-height:105px;background:#fbfcff}
.curate-source{display:flex;align-items:center;gap:7px;color:#7c88a1;font-size:11px;line-height:1.6;margin-top:13px}.curate-source svg{width:15px;height:15px}
.record-reflection{margin:15px 0 2px;padding:12px 14px;background:#f7f8fc;border-radius:7px;color:#48536a;font-size:13px;line-height:1.8;white-space:pre-wrap}
.record-reflection strong{display:block;color:#78849a;font-size:11px;font-weight:500;margin-bottom:4px}
.paper-reflection{margin-top:10px;padding:9px 10px;background:#f6f7fb;color:#4e596e!important;border-radius:4px}.paper-reflection b{display:block;font-size:9px;color:#7b879b}
.welcome-action{min-width:210px}.welcome-note{font-size:11px!important;margin:12px 0 0!important;color:#a0a7b3!important}
@media(max-width:760px){.workspace,.assistant-collapsed{grid-template-columns:1fr}.panel-resizer,.companion-rail,.desktop-only{display:none!important}.companion,.assistant-collapsed .companion{position:fixed;inset:58px 0 0;display:none;padding:0 22px;border:0;z-index:10}.companion.open,.assistant-collapsed .companion.open{display:flex}.assistant-collapsed .companion>.companion-head{display:flex!important}.assistant-collapsed .companion>.context-line{display:flex!important}.assistant-collapsed .companion>.selected-quote:not([hidden]),.assistant-collapsed .companion>.conversation,.assistant-collapsed .companion>.composer-area{display:block!important}.context-line{padding-top:12px}}

/* Thesis owns the workspace; the switcher chooses a research topic, and the
   centered navigation stays scoped to the selected topic. */
.brand{position:relative;align-items:center;gap:13px}
.topic-switcher{display:flex;align-items:center;gap:9px;min-width:142px;padding:5px 9px 5px 14px;border-left:1px solid var(--line);text-align:left;color:#4e586b;border-radius:0 6px 6px 0}
.topic-switcher:hover,.topic-switcher[aria-expanded=true]{background:#f5f7fb;color:#26334c}
.topic-switcher>span:first-child{display:flex;flex-direction:column;gap:1px;min-width:0}
.topic-switcher small{font-size:9px;line-height:1.2;color:#9aa2b0;font-weight:400;letter-spacing:.07em}
.topic-switcher strong{font-size:13px;line-height:1.45;font-weight:550;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topic-switcher>span:last-child{display:inline-flex;color:#9aa4b6;transition:transform .15s}.topic-switcher svg{width:14px;height:14px}
.topic-switcher[aria-expanded=true]>span:last-child{transform:rotate(180deg)}
.topic-menu{position:absolute;z-index:20;top:52px;left:91px;width:350px;background:white;border:1px solid #dfe3eb;border-radius:10px;box-shadow:0 16px 45px #25324a20;padding:8px}
.topic-menu-head{padding:13px 13px 11px;border-bottom:1px solid #edf0f5}.topic-menu-head strong{font-size:13px;font-weight:600}.topic-menu-head p{font-size:11px;line-height:1.6;color:#9099a9;margin:3px 0 0}
.topic-list{padding-top:6px}.topic-row{width:100%;display:flex;align-items:center;gap:11px;padding:11px 10px;border-radius:7px;text-align:left;color:#566176}
.topic-row:hover{background:#f5f7fb}.topic-row.active{background:#f0f3fd;color:#2f4da8}
.topic-row-icon{width:32px;height:32px;border:1px solid #e0e5ef;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#7d8cac;background:white}.topic-row-icon svg{width:16px;height:16px}
.topic-row-copy{display:flex;flex-direction:column;min-width:0;flex:1}.topic-row-copy strong{font-size:13px;line-height:1.55;font-weight:550;color:#263044}.topic-row.active .topic-row-copy strong{color:#304da4}
.topic-row-copy small{font-size:11px;line-height:1.55;color:#7f899a;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.topic-row-copy em{font-style:normal;font-size:10px;line-height:1.55;color:#a0a7b3;margin-top:2px}.topic-row>svg{width:15px;height:15px;color:#8797c4}
@media(max-width:760px){.topbar{padding-left:13px;padding-right:13px}.brand{gap:6px}.wordmark{font-size:27px}.topic-switcher{min-width:0;max-width:102px;padding:5px 5px 5px 8px;gap:4px}.topic-switcher small{display:none}.topic-switcher strong{font-size:11px;max-width:76px}.topic-switcher svg{width:12px;height:12px}.topic-menu{position:fixed;top:57px;left:10px;right:10px;width:auto}.topbar nav{margin-right:7px;gap:0}.nav-link{padding:0 9px}.avatar{flex-shrink:0}}

/* Reading navigation and full-corpus search. */
.search-trigger{height:38px;display:inline-flex;align-items:center;gap:8px;padding:0 10px;border:1px solid #dfe3eb;border-radius:6px;background:white;color:#657087;font-size:12px;white-space:nowrap}
.search-trigger:hover{border-color:#bdc8e4;background:#fbfcff;color:#3f55a2}.search-trigger svg{width:16px;height:16px}.search-trigger kbd,.search-input kbd{font:10px -apple-system,BlinkMacSystemFont,sans-serif;color:#9aa3b2;background:#f3f5f8;border:1px solid #e3e6ec;border-radius:4px;padding:2px 5px;white-space:nowrap}
.page-turn-hint{color:#7f8bab;text-align:center}.tooltip-button{position:relative}.tooltip-button:after{content:attr(data-tooltip);position:absolute;right:0;top:41px;padding:5px 8px;border-radius:5px;background:#2f3745;color:#fff;font-size:10px;line-height:1;white-space:nowrap;box-shadow:0 4px 13px #1e27352b;opacity:0;transform:translateY(-2px);pointer-events:none;transition:opacity .12s,transform .12s;z-index:20}.tooltip-button:hover:after,.tooltip-button:focus-visible:after{opacity:1;transform:translateY(0)}#detachThread svg{width:19px;height:19px}
dialog.search-dialog{width:min(760px,calc(100vw - 32px));padding:24px 28px 28px;overflow:hidden}.search-dialog .dialog-head{margin-bottom:16px}.material-search{min-height:390px;display:flex;flex-direction:column}.search-input{height:48px;display:flex;align-items:center;gap:11px;border:1px solid #cfd6e4;border-radius:9px;padding:0 12px;background:white;box-shadow:0 1px 3px #25324a08}.search-input:focus-within{border-color:#879bd6;box-shadow:0 0 0 3px #4c68cb0a}.search-input>span{display:flex;color:#7583a0}.search-input svg{width:19px;height:19px}.search-input input{flex:1;min-width:0;border:0;background:transparent;font-size:15px}.search-input input::placeholder{color:#a0a7b3}.search-help{font-size:11px;line-height:1.7;color:#929baa;margin:9px 2px 12px}.search-filters{display:flex;gap:7px;overflow-x:auto;padding:0 0 12px;scrollbar-width:none}.search-filters::-webkit-scrollbar{display:none}.search-filters button{padding:6px 9px;border:1px solid #e2e6ed;border-radius:15px;font-size:10px;color:#707b8e;white-space:nowrap;background:#fff}.search-filters button:hover{border-color:#bcc8e7;color:#42599f}.search-filters button.active{color:#3651a8;background:#eef2ff;border-color:#ccd6f4}.search-filters span{color:#a0a7b5;margin-left:3px}.search-filters .active span{color:#7588c6}.search-summary{min-height:28px;padding:7px 2px;border-top:1px solid #edf0f4;color:#8b94a4;font-size:11px}.search-results{min-height:250px;max-height:49dvh;overflow:auto;padding-right:6px;scrollbar-width:thin;transition:opacity .12s}.search-results.loading{opacity:.45}.search-results .search-hit{padding:16px 8px;border-bottom:1px solid #edf0f4;border-radius:6px}.search-results .search-hit:hover{background:#f7f8fc}.search-hit-head{display:flex;align-items:center;justify-content:space-between;gap:14px}.search-hit-head strong{font-size:12px;color:#354b81;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.search-hit-head em{font-style:normal;font-size:10px;color:#9099aa;white-space:nowrap}.search-results .search-hit p{max-height:none;margin-top:7px;font-size:12px;line-height:1.75;color:#697386}.search-hit mark{background:#fff0a8;color:#3a4251;border-radius:2px;padding:0 1px}.search-empty{padding:90px 12px;text-align:center;color:#9aa2af;font-size:12px;line-height:1.8}.search-more{align-self:center;margin-top:15px;min-width:160px}
@media(max-width:1250px){.search-trigger kbd{display:none}.search-trigger{padding:0 9px}.search-trigger>span:nth-child(2){display:none}}
@media(max-width:1000px){.search-trigger{position:absolute;right:18px;top:10px}.document-picker{padding-right:54px}.page-turn-hint{display:none}}
@media(max-width:760px){.search-trigger{position:static;order:1;margin-left:auto}.search-trigger>span:nth-child(2){display:none}.document-picker{width:auto;flex:1}.reader-toolbar #toggleCompanion{order:1}.tooltip-button:after{display:none}dialog.search-dialog{width:calc(100vw - 16px);max-height:96dvh;padding:18px 16px 20px}.search-dialog .dialog-head{margin-bottom:12px}.search-results{max-height:58dvh}.search-help{margin-bottom:9px}.search-empty{padding:65px 8px}}

/* April Works ID connection states. */
.identity-state{display:flex;align-items:center;gap:12px;padding:13px 14px;border:1px solid #dce5dc;border-radius:8px;background:#f8fbf8;color:#405c48}.identity-state>span{width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#e7f1e8;color:#3e704b}.identity-state svg{width:17px;height:17px}.identity-state div{display:flex;flex-direction:column;gap:3px}.identity-state strong{font-size:13px;font-weight:550}.identity-state small{font-size:11px;color:#7d8d81}.identity-connect{width:100%;margin:2px 0 4px}.identity-pending{font-size:12px;line-height:1.75;color:#8a93a2;background:#f6f7f9;padding:11px 12px;border-radius:7px}.account-actions{justify-content:space-between}.welcome-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.welcome-actions .welcome-action{margin:0}.welcome-actions+.welcome-note{margin-top:13px!important}
@media(max-width:520px){.welcome-actions{align-items:stretch;flex-direction:column}.welcome-actions .welcome-action{width:100%}.account-actions{flex-direction:column-reverse}.account-actions button{width:100%}}