@charset "UTF-8";
/* Private conversation files: bounded list, no expansion of the reading canvas. */
.upload-panel{min-width:0;max-height:24dvh;overflow:auto;overscroll-behavior:contain}
.upload-panel:has(.upload-list:empty):has(.upload-status:empty){display:none}
.upload-list{display:grid;gap:8px}.upload-item{display:flex;gap:12px;align-items:center;justify-content:space-between;border:1px solid #d1e6f8;border-radius:10px;background:#f4f9fe;padding:10px 12px;margin-bottom:6px}
.upload-info{min-width:0;display:grid;gap:4px;overflow-wrap:anywhere}.upload-info strong{font-size:12.6px;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.upload-state{font-size:12.6px;color:#475467}.upload-actions{display:flex;flex-wrap:wrap;gap:6px;flex-shrink:0}.upload-actions .button{font-size:12.6px;padding:5px 8px}
.upload-status{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:12.6px;line-height:1.7;overflow-wrap:anywhere;margin-bottom:8px}.upload-status:empty{display:none}.upload-status .form-error,.upload-info .form-error{margin:0}
.upload-toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-bottom:8px}.upload-toolbar>span{font-size:12.6px;color:#667085}
.source-scope{display:inline-block;font-size:12.6px;color:#0a5a99;background:#eef6fd;border-radius:4px;padding:0 5px;margin-right:5px}
.recommendations{margin:24px 0;padding:16px;border:1px solid #e4e7ec;background:#fbfcfd;border-radius:12px;overflow-wrap:anywhere}.recommendations h3{font-size:14.4px;margin:0 0 8px}.recommendations>.muted{font-size:12.6px;margin-bottom:12px}.recommendation-item{padding:12px 0;border-top:1px solid #eaecf0}.recommendation-item>p{margin:8px 0;font-size:12.6px}.recommendation-item>.muted{font-size:12.6px}.recommendation-item .reference-link{margin:0 12px 0 0}
@media(max-width:680px){.upload-item{flex-wrap:wrap;gap:8px}.upload-actions{flex-shrink:1}.upload-panel{max-height:19dvh}.composer-area:has(.upload-toolbar){max-height:60dvh;overflow:auto}.upload-toolbar{gap:6px}}
/* Light Hub ui3 — unified 14/16px type scale, measured spacing, quiet surfaces. */
:root{--navy:#163039;--navy-dark:#11272f;--teal:#11796c;--teal-dark:#0b6056;--mint:#eef6fd;--ink:#283f43;--muted:#607173;--line:#eaecf0;--canvas:#f7f8fa;--white:#fff;--danger:#ac483e;--shadow:0 16px 60px #193b3b12;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:14.4px;color:var(--ink);background:var(--canvas);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit;color:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48}a{color:var(--teal);text-decoration:none}a:hover{text-decoration:underline}button:focus-visible,a:focus-visible{outline:3px solid #0070c0;outline-offset:3px}input:focus,textarea:focus,select:focus{outline:2px solid #0070c0;outline-offset:2px}[hidden]{display:none!important}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-weight:600}p{line-height:1.8}.muted{color:var(--muted)}.eyebrow{font-size:12.6px;line-height:1.6;letter-spacing:.7px;color:var(--muted)}.button{border:1px solid var(--line);background:white;padding:11px 16px;border-radius:9px;font-size:12.6px;font-weight:500;display:inline-flex;align-items:center;justify-content:center;gap:10px;line-height:1.5;transition:background .15s,border-color .15s}.button:hover:not(:disabled){background:#f4f9fe;border-color:#b9dbf7}.button.primary{background:var(--teal);color:white;border-color:var(--teal)}.button.primary:hover{background:var(--teal-dark)}.button.subtle{color:var(--teal);background:#eef6fd;border-color:#d1e6f8}.button.small{padding:8px 12px}.button.danger{color:var(--danger);background:#fff6f3}.text-button,.icon-button{border:0;background:transparent;color:var(--muted);padding:8px;font-size:12.6px}.text-button:hover,.icon-button:hover{color:var(--teal);background:#eef6fd;border-radius:8px}.icon-button{display:grid;place-items:center;padding:0;font-size:21.6px;line-height:1;width:36px;height:36px;flex-shrink:0}.icon-button svg{display:block;width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round}.pill{display:inline-block;color:var(--teal);background:var(--mint);border:1px solid #d1e6f8;border-radius:6px;font-size:12.6px;line-height:1.5;padding:4px 9px}.brand{display:flex;align-items:center;gap:15px;color:#f5f9f9;font-size:21.6px;font-weight:600;letter-spacing:-.4px;text-decoration:none!important}.brand small{display:block;color:#98a2b3;font-size:12.6px;letter-spacing:.3px;font-weight:400;margin-top:7px;line-height:1.5}.company-logo{display:block;width:150px;height:auto;background:white;border-radius:6px;padding:7px 9px;object-fit:contain;flex-shrink:0}
/* Login */
.login-view{min-height:100dvh;display:grid;grid-template-columns:1fr 1fr;background:white}.login-story{min-height:100dvh;background:var(--navy);color:white;padding:48px 10%;position:relative;overflow:hidden}.login-story .brand{flex-wrap:wrap}.login-headline{position:relative;z-index:1;margin-top:110px}.login-headline .eyebrow{color:#9cc9ee;letter-spacing:1px}.login-headline h1{font-size:clamp(28.8px,3.15vw,45px);line-height:1.5;letter-spacing:1px;margin:24px 0}.login-headline p{color:#c3d9ec;font-size:14.4px;line-height:2}.login-footnote{position:absolute;bottom:24px;color:#8fb6d6;font-size:12.6px;letter-spacing:1px}.orbit{position:absolute;width:340px;height:340px;border:1px solid #ffffff14;border-radius:50%;right:-40px;bottom:-70px;transform:rotate(-25deg)}.orbit:before,.orbit:after{content:"";position:absolute;border:1px solid #ffffff14;border-radius:50%;inset:35px -45px}.orbit:after{inset:-30px 40px}.orbit-center{position:absolute;top:92px;left:124px;color:#61a99460;font-size:90px}.orbit i,.orbit b{width:10px;height:10px;background:#79cbb1;border-radius:50%;position:absolute;left:12px;top:100px}.orbit b{left:auto;right:30px;top:40px;width:6px;height:6px}.login-panel{display:flex;align-items:center;justify-content:center;padding:40px}.login-form{width:100%;max-width:380px}.login-form h2{font-size:25.2px;margin:28px 0 12px}.login-form>p.muted{margin-bottom:32px}.login-form label{display:block;font-size:12.6px;font-weight:500;margin:20px 0 9px}.login-form input{height:48px;width:100%;border:1px solid var(--line);border-radius:9px;padding:0 14px;background:#ffffff;font-size:14.4px}.login-form .button{width:100%;margin-top:5px;justify-content:space-between;padding:13px 18px;font-size:14.4px}.login-note{font-size:12.6px;color:var(--muted);margin-top:24px;line-height:1.8}.form-error{color:var(--danger);font-size:12.6px;min-height:18px;margin:14px 0 6px}
/* Two navigation rails, one reading canvas. */
.app-shell{display:flex;min-height:100dvh}.sidebar{width:220px;position:fixed;inset:0 auto 0 0;background:var(--navy);color:#475467;padding:32px 20px 24px;display:flex;flex-direction:column;z-index:10}.sidebar .brand{flex-direction:column;align-items:flex-start;gap:18px;padding-left:5px;margin-bottom:48px}.sidebar-label{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:12.6px;color:#98a2b3;padding:0 10px;margin-bottom:14px}.beta{font-size:12.6px;border:1px solid #4c666f;padding:2px 6px;border-radius:5px;color:#667085}.sidebar nav{display:grid;gap:8px}.nav-item{display:flex;align-items:center;gap:10px;width:100%;border:1px solid transparent;border-radius:9px;padding:13px 12px;background:transparent;text-align:left;color:#475467;font-size:14.4px;line-height:1.5}.nav-item:hover{background:#ffffff08;color:white}.nav-item.active{background:#2b514e;color:#0a5a99;border-color:#486b62}.nav-icon{font-size:18px;width:22px;text-align:center;line-height:1}.nav-arrow{margin-left:auto;color:#b3d7c5;font-size:14.4px;visibility:hidden}.nav-item.active .nav-arrow{visibility:visible}.sidebar-bottom{margin-top:auto}.corpus-note{display:flex;align-items:flex-start;gap:10px;padding:24px 4px 0;font-size:12.6px;color:#667085;line-height:1.6}.status-dot{display:inline-block;background:#75c1a8;width:6px;height:6px;border-radius:50%;margin-top:8px;box-shadow:0 0 0 4px #12b76a14;flex-shrink:0}.corpus-types{display:inline-block;white-space:nowrap}.status-dot.is-pending{background:#98a2b3;box-shadow:none}.main-content{margin-left:220px;min-width:0;flex:1}
/* Research */
.research-view{height:100dvh;display:flex;min-height:0}.history-panel{width:208px;flex-shrink:0;border-right:1px solid var(--line);background:#fbfcfd;padding:24px 16px;overflow:auto}.history-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.history-heading h2{font-size:14.4px;font-weight:600;margin:0;line-height:1.5}.history-heading .icon-button{border:1px solid #e4e7ec;background:#fff;border-radius:9px;width:32px;height:32px;color:#0a5a99}.history-note{font-size:12.6px;color:var(--muted);margin:12px 0 28px;line-height:1.6}.history-list{display:grid;gap:8px}.history-item{border:1px solid transparent;background:transparent;padding:12px 10px;border-radius:9px;text-align:left;width:100%;overflow:hidden}.history-item:hover{background:#f2f4f7}.history-item.active{background:#eaf4fd;border-color:#d1e6f8;color:var(--teal)}.history-item strong{font-weight:500;font-size:12.6px;line-height:1.7;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}.history-item time{display:block;font-size:12.6px;color:var(--muted);margin-top:7px}.history-panel #history-status{font-size:12.6px;line-height:1.7}.research-workspace{min-width:0;flex:1;display:flex;flex-direction:column;background:#ffffff}.research-heading{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 32px;border-bottom:1px solid #eaecf0;flex-shrink:0}.research-heading>div{display:flex;align-items:center;gap:9px}.research-heading h2{font-size:15.3px;margin:0;font-weight:600;line-height:1.5}.assistant-symbol{font-size:21.6px;color:var(--teal)}.model-label{font-size:12.6px;color:#667085;line-height:1.5;text-align:right;overflow-wrap:anywhere}.conversation-scroll{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#d0d5dd transparent}.research-welcome{max-width:880px;margin:clamp(38px,7vh,80px) auto 32px;padding:0 32px;text-align:center}.welcome-symbol{font-size:28.8px;color:var(--teal);background:#eef6fd;width:54px;height:54px;border:1px solid #d1e6f8;border-radius:17px;display:grid;place-items:center;margin:0 auto 20px}.research-welcome .eyebrow{color:#0a5a99;font-size:12.6px;letter-spacing:.6px}.research-welcome h1{font-size:28.8px;line-height:1.4;letter-spacing:-.6px;margin:14px 0 16px}.research-welcome p{font-size:14.4px;color:#475467;line-height:1.9;margin-bottom:0}.prompt-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:36px;text-align:left}.prompt-grid button{text-align:left;background:#fff;border:1px solid #eaecf0;border-radius:13px;padding:22px 20px;position:relative;display:flex;flex-direction:column;align-items:flex-start;min-width:0;transition:border-color .16s,background .16s,box-shadow .16s}.prompt-grid button:hover{border-color:#b9dbf7;background:#f4f9fe;box-shadow:0 6px 20px #10182806}.prompt-grid span{font-size:12.6px;font-weight:400;color:#0a5a99;line-height:1.5;margin-bottom:18px}.prompt-grid strong{font-size:15.3px;font-weight:600;color:#101828;line-height:1.5;margin-bottom:5px}.prompt-grid em{font-style:normal;font-size:14.4px;color:#667085;line-height:1.65}.prompt-grid b{position:absolute;right:17px;top:20px;font-size:14.4px;font-weight:400;color:#98a2b3}.composer-area{flex-shrink:0;padding:16px 32px 24px;max-width:880px;width:100%;margin:0 auto}.composer{background:#fff;border:1px solid #e4e7ec;border-radius:15px;padding:18px 20px 12px;box-shadow:0 4px 20px #1018280a}.composer:focus-within{border-color:#7db5e8;box-shadow:0 0 0 3px #0070c014}.composer textarea{width:100%;resize:vertical;max-height:170px;min-height:60px;border:0;outline:none;background:transparent;font-size:14.4px;line-height:1.8;padding:0}.composer textarea::placeholder{color:#98a2b3}.composer textarea:disabled{opacity:.65}.composer-bottom{display:flex;align-items:center;gap:12px;margin-top:10px}.composer-hint{font-size:12.6px;color:#667085;margin-right:auto;line-height:1.5}.composer-hint>span{color:#667085;margin-left:6px}.composer-bottom>#question-count{font-size:12.6px;color:#667085;white-space:nowrap}.send-button{width:36px;height:36px;flex-shrink:0;border:0;border-radius:10px;background:var(--teal);color:white;font-size:19.8px;display:grid;place-items:center;padding:0}.send-button:hover{background:var(--teal-dark)}.research-status{font-size:12.6px;color:var(--teal);margin-bottom:10px;line-height:1.7}.research-status:empty,.research-actions:empty{display:none}.research-status.error{color:var(--danger)}.research-actions{display:flex;gap:8px;margin-bottom:10px;flex-wrap:wrap}
/* Conversation and evidence */
.messages{padding:32px;max-width:880px;margin:0 auto}.message{margin-bottom:32px}.message-header{display:flex;gap:10px;align-items:center;margin-bottom:14px;font-size:12.6px;color:var(--muted);flex-wrap:wrap}.message-header strong{color:#344054;font-size:12.6px;font-weight:600}.message-avatar{width:28px;height:28px;border-radius:8px;background:#eef6fd;display:grid;place-items:center;color:var(--teal);font-size:16.2px}.message.user .message-avatar{background:#f2f4f7;color:#475467;font-size:12.6px}.message.user .message-body{background:#f7f8fa;border:1px solid #eaecf0;border-radius:0 12px 12px;padding:16px 20px;white-space:pre-wrap;font-size:14.4px;line-height:1.9}.message.assistant .message-body{padding:0 0 0 38px;font-size:14.4px}.markdown{line-height:1.9;overflow-wrap:anywhere}.markdown p{margin:0 0 16px;white-space:pre-wrap}.markdown h2,.markdown h3,.markdown h4{margin:24px 0 12px;line-height:1.5;font-size:18.9px}.markdown h3{font-size:16.2px}.markdown h4{font-size:14.4px}.markdown ul,.markdown ol{padding-left:24px;margin:12px 0 18px}.markdown li{padding:4px 0;white-space:pre-wrap}.markdown pre{overflow:auto;background:#f9fafb;border:1px solid #eaecf0;padding:16px;border-radius:9px;font-size:12.6px;line-height:1.7;white-space:pre}.markdown code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;background:#f2f4f7;border-radius:3px;padding:1px 4px;font-size:max(12.6px,.9em)}.markdown pre code{padding:0}.markdown blockquote{border-left:3px solid #b9dbf7;margin:18px 0;padding:8px 16px;color:#344054;background:#f4f9fe}.markdown hr{border:0;border-top:1px solid var(--line);margin:24px 0}.citation{border:0;display:inline;background:#eaf4fd;color:#0a5a99;padding:1px 5px;border-radius:4px;font:inherit;font-size:12.6px;margin:0 2px;vertical-align:baseline}.citation:hover{background:#d8ecfc}.job-events{font-size:12.6px;border:1px solid #eaecf0;background:#f9fafb;border-radius:9px;padding:12px 14px;margin:0 0 18px 38px;color:#475467}.job-events summary{cursor:pointer;color:#0a5a99}.job-events ol{padding-left:20px;margin:12px 0 0}.job-events li{margin:8px 0;line-height:1.7}.source-section{margin:24px 0 0 38px}.source-section>h3{font-size:12.6px;font-weight:500;color:#667085;margin-bottom:12px}.message-state{font-size:12.6px;color:#667085;margin:12px 0 0 38px}.message-state.failed{color:var(--danger)}/* Library */
.library-view{padding:48px 40px 28px;max-width:1520px;margin:auto}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:30px}.page-heading h1{font-size:28.8px;margin:12px 0;letter-spacing:-.6px;line-height:1.4}.page-heading h1>span{color:var(--teal)}.page-heading p{font-size:14.4px;color:var(--muted);margin:0}.page-heading .button{flex-shrink:0}.search-bar{display:flex;align-items:center;padding:8px;background:#fff;border:1px solid #e4e7ec;border-radius:12px;gap:14px}.search-bar>span{font-size:25.2px;line-height:1;color:#667085;margin-left:12px}.search-bar input{min-width:0;flex:1;border:0;background:transparent;padding:10px 2px;font-size:14.4px;outline-offset:0}.search-bar .button{padding:11px 20px;flex-shrink:0}.filters{display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin:20px 0 32px;font-size:12.6px}.filter-control{display:flex;align-items:center;gap:10px;color:var(--muted)}.filter-control select{border:0;background:transparent;color:#344054;max-width:230px;font-size:14.4px;padding:7px}.filters .text-button{margin-left:auto;font-size:12.6px}.catalog-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;gap:16px}.catalog-heading h2{font-size:18px;margin:0;display:flex;align-items:center;gap:10px}.count{background:#f2f4f7;color:#475467;border-radius:6px;padding:3px 8px;font-size:12.6px;min-width:28px;text-align:center}.release-label{font-size:12.6px;color:var(--muted);overflow-wrap:anywhere;text-align:right;max-width:50%;line-height:1.6}.category-overview{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin:8px 0 40px}.category-tile{border:1px solid #eaecf0;border-radius:12px;background:#f4f9fe;padding:20px 16px;text-align:left;display:flex;flex-direction:column;gap:9px;min-width:0;transition:background .15s,border-color .15s}.category-tile:hover{background:#eaf4fd;border-color:#b9dbf7}.category-tile strong{font-size:14.4px;font-weight:600;color:#101828;overflow-wrap:anywhere}.category-tile span{font-size:12.6px;color:#667085;line-height:1.6}.category-tile b{font-size:21.6px;font-weight:500;color:#101828;margin-top:auto;padding-top:10px}.category-section{scroll-margin-top:24px;margin-bottom:36px}.category-section-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}.category-section-heading h3{font-size:18.9px;margin:0 0 7px}.category-section-heading p{margin:0;font-size:12.6px;color:var(--muted);line-height:1.7}.category-open{color:var(--teal);flex-shrink:0}.paper-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.paper-card{border:1px solid var(--line);border-radius:12px;background:white;padding:22px 22px 18px;display:flex;flex-direction:column;min-width:0;transition:border-color .18s,box-shadow .18s}.paper-card:hover{border-color:#a9c7ac;box-shadow:0 8px 26px #21483f07}.paper-card-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:16px}.category-tag{color:#475467;background:#f2f4f7;border:1px solid #e4e7ec;font-size:12.6px;max-width:80%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;border-radius:5px;padding:4px 8px}.paper-year{font-size:12.6px;color:var(--muted)}.paper-title-button{padding:0;background:none;border:0;display:block;text-align:left;width:100%;font-size:14.4px;line-height:1.75;font-weight:500;overflow-wrap:anywhere}.paper-title-button:hover{color:var(--teal)}.paper-title-button h3{font:inherit;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin:0}.paper-authors{font-size:12.6px;color:var(--muted);white-space:nowrap;text-overflow:ellipsis;overflow:hidden;margin:12px 0}.paper-description{font-size:12.6px;line-height:1.8;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin:0 0 20px;min-height:70px}.paper-card-bottom{margin-top:auto;border-top:1px solid #f2f4f7;padding-top:15px;display:flex;align-items:center;justify-content:space-between;gap:10px}.paper-journal{font-size:12.6px;color:var(--muted);text-overflow:ellipsis;overflow:hidden;white-space:nowrap;max-width:66%}.paper-card-bottom .text-button{color:var(--teal);font-size:12.6px;white-space:nowrap;padding:0}.category-preview .paper-description,.category-preview .paper-authors{display:none}.category-preview .paper-title-button{margin-bottom:24px}.inline-status:empty{display:none}.inline-status{padding:16px 18px;border:1px solid var(--line);border-radius:9px;margin-bottom:18px;background:white;color:var(--muted);font-size:12.6px}.empty-state{grid-column:1/-1;min-height:220px;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;border:1px dashed #e4e7ec;border-radius:12px;color:var(--muted);padding:30px;line-height:1.8;font-size:12.6px}.empty-state strong{color:#344054;font-size:16.2px;margin-bottom:10px}.pagination{display:flex;align-items:center;justify-content:space-between;margin-top:28px;color:var(--muted);font-size:12.6px;gap:18px}.pagination>div{display:flex;align-items:center;gap:16px}.library-footnote{text-align:center;font-size:12.6px;color:var(--muted);margin:32px 0 0;line-height:1.7}
/* Drawers */
dialog{border:0;color:var(--ink);box-shadow:0 20px 90px #0c222b30;padding:0;background:#ffffff}dialog::backdrop{background:#0f2b3960;backdrop-filter:blur(3px)}.paper-dialog{position:fixed;inset:0 0 0 auto;margin:0;width:min(720px,94vw);height:100dvh;max-height:100dvh;max-width:94vw;border-radius:16px 0 0 16px;overflow:auto}.drawer-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:22px 30px;border-bottom:1px solid var(--line);position:sticky;top:0;background:#fffffff5;z-index:1}.drawer-header h2{font-size:18px;margin:0}.paper-detail{padding:28px 32px 40px}.paper-detail h1{font-size:23.4px;line-height:1.6;margin:20px 0;overflow-wrap:anywhere}.detail-authors{font-size:14.4px;color:var(--muted);line-height:1.8}.detail-meta{display:flex;gap:10px;align-items:center;flex-wrap:wrap;color:var(--muted);font-size:12.6px;margin:18px 0}.detail-actions{display:flex;gap:10px;flex-wrap:wrap;padding:16px 0 26px;border-bottom:1px solid var(--line);margin-bottom:28px}.detail-section{margin:28px 0}.detail-section h2{font-size:16.2px;color:#101828;margin-bottom:14px}.detail-section p{font-size:14.4px;line-height:1.9;color:#475467;white-space:pre-wrap;overflow-wrap:anywhere}.detail-keywords{display:flex;gap:8px;flex-wrap:wrap}.detail-keywords span{font-size:12.6px;padding:5px 9px;border-radius:6px;background:#f4f9fe;color:#0a5a99}.detail-provenance{border-top:1px solid var(--line);padding-top:18px;font-size:12.6px;color:var(--muted);line-height:1.9;overflow-wrap:anywhere}.parsed-document{font-size:14.4px;border-top:1px solid var(--line);padding-top:24px;margin-top:26px}.parsed-document .markdown{max-height:60vh;overflow:auto;padding:12px 0;margin:12px 0}.parsed-document h2{font-size:18px}.evidence-dialog{width:min(720px,94vw);border-radius:14px;max-height:85dvh}.evidence-content{padding:26px 32px}.evidence-content p{font-size:14.4px;white-space:pre-wrap;overflow-wrap:anywhere}.evidence-content .evidence-section{font-size:12.6px;color:var(--teal)}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);padding:14px 20px;background:var(--navy);border:1px solid #365348;box-shadow:var(--shadow);color:#f9fafb;border-radius:10px;z-index:100;max-width:90vw;font-size:12.6px}.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}.noscript{text-align:center;padding:20px;color:var(--danger)}
/* Responsive layout changes proportions, never reduces the readable text floor. */
@media(max-width:1200px){.sidebar{width:200px;padding:28px 16px 22px}.main-content{margin-left:200px}.history-panel{width:180px;padding:22px 14px}.research-heading{padding:18px 24px}.research-welcome{padding:0 24px;margin-top:40px}.research-welcome h1{font-size:26.1px}.prompt-grid{grid-template-columns:1fr;gap:10px;margin-top:28px}.prompt-grid button{display:grid;grid-template-columns:112px 1fr;gap:3px 14px;padding:15px 18px 15px 16px}.prompt-grid span{grid-row:1/3;align-self:center;margin:0}.prompt-grid strong{font-size:14.4px;margin:0;padding-right:18px}.prompt-grid em{font-size:14.4px;padding-right:12px}.prompt-grid b{top:21px;right:14px}.welcome-symbol{display:none}.composer-area{padding:16px 24px 20px}.composer-hint>span{display:none}.library-view{padding:36px 28px 28px}.category-overview{grid-template-columns:repeat(3,minmax(0,1fr))}.paper-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.category-preview .paper-card:last-child:nth-child(3){grid-column:1/-1}}
@media(max-width:940px){.sidebar{width:180px;padding:26px 12px 20px}.main-content{margin-left:180px}.sidebar .company-logo{width:146px}.sidebar .brand{font-size:20.7px;padding-left:3px}.sidebar-label{padding:0 6px}.history-panel{width:160px;padding:20px 12px}.research-heading{padding:16px 20px;flex-wrap:wrap;gap:6px}.model-label{text-align:left}.research-welcome{margin-top:32px;padding:0 20px}.research-welcome .eyebrow{letter-spacing:0}.research-welcome h1{font-size:24.3px}.research-welcome p br{display:none}.composer-area{padding:14px 20px 20px}.composer{padding:16px}.page-heading{align-items:flex-start}.page-heading .button{display:none}}
@media(max-width:680px){body.research-active{height:100dvh;overflow:hidden}.app-shell{display:block}.research-active .app-shell{height:100dvh;min-height:0}.sidebar{position:sticky;top:0;width:100%;height:64px;padding:9px 16px;flex-direction:row;align-items:center}.research-active .sidebar{position:relative;top:auto}.sidebar .brand,.sidebar-label,.sidebar-bottom{display:none}.sidebar nav{display:flex;gap:10px;width:100%}.nav-item{padding:9px 14px;font-size:13.5px;justify-content:center;gap:8px}.nav-icon{font-size:18px;width:20px}.nav-arrow{display:none}.main-content{margin:0}.research-active .main-content{height:calc(100dvh - 64px);overflow:hidden}.research-view{height:calc(100dvh - 64px);flex-direction:column}.history-panel{width:100%;min-height:58px;max-height:88px;border-right:0;border-bottom:1px solid var(--line);padding:10px 16px;display:flex;align-items:center;gap:16px;overflow:auto;flex-shrink:0}.history-heading{gap:10px;flex-shrink:0}.history-heading h2{font-size:12.6px}.history-heading .icon-button{width:32px;height:32px}.history-note{display:none}.history-list{display:flex;gap:8px}.history-item{max-width:180px;min-width:90px;padding:7px 10px}.history-item time{display:none}.history-panel #history-status{white-space:nowrap;font-size:12.6px}.research-workspace{min-height:0}.research-heading{min-height:56px;padding:12px 18px;gap:6px}.research-heading h2{font-size:14.4px}.assistant-symbol{font-size:18.9px}.model-label{font-size:12.6px}.research-welcome{margin:28px auto 24px;padding:0 20px;max-width:520px}.research-welcome .eyebrow{display:none}.research-welcome h1{font-size:23.4px;line-height:1.4;margin:0 0 14px}.research-welcome p{font-size:14.4px;line-height:1.8}.prompt-grid{margin-top:24px;gap:10px}.prompt-grid button{grid-template-columns:100px minmax(0,1fr);padding:13px 15px;gap:2px 12px;border-radius:11px}.prompt-grid span{font-size:12.6px}.prompt-grid strong{font-size:14.4px}.prompt-grid em{font-size:12.6px;line-height:1.7;padding-right:0}.prompt-grid b{right:12px;top:15px}.composer-area{padding:12px 16px max(14px,env(safe-area-inset-bottom))}.composer{padding:14px 15px 10px;border-radius:13px}.composer textarea{font-size:14.4px;min-height:48px;max-height:110px}.composer-bottom{gap:10px;margin-top:6px}.composer-hint,.composer-bottom>#question-count{font-size:12.6px}.composer-disclaimer{font-size:12.6px}.messages{padding:24px 20px}.message.assistant .message-body{padding-left:0}.job-events,.source-section,.message-state{margin-left:0}.message{margin-bottom:28px}.message-header{gap:8px}.library-view{padding:30px 20px 24px}.page-heading{margin-bottom:26px}.page-heading .eyebrow{font-size:12.6px;letter-spacing:.2px}.page-heading h1{font-size:24.3px;margin:10px 0 14px}.page-heading p{font-size:14.4px}.search-bar{gap:6px;padding:7px}.search-bar>span{display:none}.search-bar input{font-size:14.4px;padding:10px 5px}.search-bar .button{padding:10px 12px;font-size:12.6px}.filters{gap:12px;margin:18px 0 28px}.filter-control{gap:6px}.filter-control select{font-size:14.4px;max-width:140px;padding:6px 2px}.filters .text-button{padding:6px}.catalog-heading{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:18px}.catalog-heading h2{font-size:18px}.release-label{max-width:100%;text-align:left}.category-overview{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-bottom:32px}.category-tile{padding:18px 14px}.category-tile:last-child:nth-child(odd){grid-column:1/-1;display:grid;grid-template-columns:1fr auto;gap:6px 12px}.category-tile:last-child:nth-child(odd) b{grid-column:2;grid-row:1/3;align-self:center;padding:0}.category-section{scroll-margin-top:78px;margin-bottom:30px}.category-section-heading{flex-wrap:wrap;gap:12px}.category-section-heading h3{font-size:18px}.category-section-heading p{font-size:12.6px}.paper-grid{grid-template-columns:1fr;gap:14px}.category-preview .paper-card:last-child:nth-child(3){grid-column:auto}.paper-card{padding:20px 18px 17px}.paper-description{min-height:0;-webkit-line-clamp:2}.category-preview .paper-title-button{margin-bottom:20px}.pagination{flex-direction:column;align-items:flex-start;gap:16px}.pagination>div{gap:12px}.library-footnote{text-align:left}.paper-dialog{width:100vw;max-width:100vw;border-radius:0}.drawer-header{padding:18px 20px}.paper-detail{padding:24px 20px 32px}.paper-detail h1{font-size:20.7px}.evidence-content{padding:24px 20px}.evidence-dialog{max-height:90dvh}.login-view{grid-template-columns:1fr}.login-story{min-height:0;height:230px;padding:28px}.login-story .brand{flex-wrap:nowrap;font-size:19.8px;gap:14px}.login-story .company-logo{width:140px}.login-headline{margin-top:27px}.login-headline .eyebrow,.login-headline p,.login-footnote{display:none}.login-headline h1{font-size:25.2px;line-height:1.4;margin:0}.orbit{width:250px;height:250px;right:-60px;bottom:-80px}.orbit-center{top:65px;left:90px;font-size:67.5px}.login-panel{padding:34px 26px;align-items:flex-start}.login-form h2{font-size:22.5px;margin-top:24px}}
@media(max-width:360px){.research-heading{padding:10px 16px}.research-welcome{padding:0 16px;margin-top:22px}.research-welcome h1{font-size:21.6px}.prompt-grid button{grid-template-columns:86px minmax(0,1fr);padding:12px;gap:2px 8px}.prompt-grid b{display:none}.prompt-grid strong{padding-right:0}.composer-hint{max-width:100px}.login-story{padding:24px}.login-story .brand{gap:10px;font-size:18px}.login-story .company-logo{width:130px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;animation:none!important;scroll-behavior:auto!important}}

/* Rich content has its own scroll boundaries; never widen the reading canvas. */
.markdown,.paged-evidence,.evidence-page,.message-body{min-width:0;max-width:100%}
.markdown p,.markdown li{white-space:normal}.markdown pre,.markdown pre code{white-space:pre}
.markdown h1{font-size:20.7px;line-height:1.5;margin:24px 0 12px}
.table-scroll{max-width:100%;overflow-x:auto;margin:18px 0;overscroll-behavior-x:contain;border:1px solid var(--line);border-radius:8px}
.markdown table{border-collapse:collapse;width:100%;font-size:13.5px;line-height:1.7;text-align:left}
.markdown th,.markdown td{padding:10px 13px;min-width:100px;border-bottom:1px solid var(--line);vertical-align:top}
.markdown th{background:#f4f9fe;font-weight:600}.markdown tr:last-child td{border-bottom:0}
.math-block{display:block;max-width:100%;overflow-x:auto;padding:4px 0}.math .katex-display{margin:.7em 0}.math{overflow-wrap:normal}.math-error{color:var(--danger);font-family:monospace;white-space:pre-wrap;overflow-wrap:anywhere}
.answer-image{display:block;max-width:100%;margin:18px 0;text-align:center}.answer-image img{display:block;max-width:100%;height:auto;margin:auto;border-radius:6px}.image-caption{display:block;font-size:12.6px;color:var(--muted);line-height:1.7;margin-top:8px}.image-failed{padding:14px;border:1px dashed #cbbdb2;border-radius:6px;background:#faf6f0}.image-failed .image-caption{color:#855c44;margin:0}
.reference-list{border-top:1px solid var(--line);padding-top:6px}.reference-line{margin:12px 0;font-size:12.6px;line-height:1.9;overflow-wrap:anywhere;padding-left:2em;text-indent:-2em}.reference-line>*{text-indent:0}.reference-number{color:var(--muted)}.reference-ids{display:block;color:var(--teal);font-weight:500;font-size:12.6px}.reference-link{display:inline;font-size:12.6px;margin-left:10px;padding:0;background:none;border:0;color:var(--teal)}
.rich-title .katex{font-size:1.05em}.research-status{display:flex;align-items:baseline;gap:12px}.research-status-detail{min-width:0;overflow-wrap:anywhere}.research-badge{display:none;align-items:center;gap:7px;white-space:nowrap;font-weight:600;flex-shrink:0}.is-researching .research-badge{display:inline-flex}.research-spinner{display:inline-block;width:12px;height:12px;border:2px solid #d1e6f8;border-top-color:var(--teal);border-radius:50%;animation:research-spin .9s linear infinite}@keyframes research-spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){.research-spinner{animation:none}}
.paper-source-excerpts{margin:26px 0;border-bottom:1px solid var(--line);padding-bottom:18px}.paper-source-excerpts h2{font-size:18px}.source-excerpt{border-top:1px solid var(--line);padding:18px 0}.source-excerpt h3{font-size:14.4px;color:var(--teal)}.source-excerpt>.muted{font-size:12.6px}
.page-label{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:12.6px;color:var(--muted);padding:10px 0;border-top:1px solid var(--line);margin:14px 0 10px}.page-label a{font-size:12.6px}.parsed-document .markdown{max-height:none;overflow:visible}.evidence-content .markdown p{white-space:normal}

/* ============ Variant C · 现代 SaaS 明亮 ============ */
:root{--navy:#0b1f33;--navy-dark:#071627;--teal:#0070c0;--teal-dark:#0a5a99;--mint:#eef6fd;--ink:#101828;--muted:#667085;--line:#eaecf0;--canvas:#f7f8fa;--white:#fff;--danger:#b42318;--shadow:0 12px 32px #10182814;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:14.4px;color:var(--ink);background:var(--canvas)}
body{background:var(--canvas)}
h1,h2,h3{letter-spacing:-.2px}
a{color:var(--teal)}
.button{border-radius:10px;border-color:#d0d5dd;background:#fff;font-weight:500;box-shadow:0 1px 2px #1018280a}
.button:hover:not(:disabled){background:#f9fafb;border-color:#98a2b3}
.button.primary{background:var(--teal);border-color:var(--teal);box-shadow:0 1px 2px #10182814}
.button.primary:hover{background:var(--teal-dark);border-color:var(--teal-dark)}
.button.subtle{background:#eef6fd;border-color:#d1e6f8;color:#0a5a99}
.pill{background:#eef6fd;border:1px solid #d1e6f8;color:#0a5a99;border-radius:999px;padding:4px 11px;font-weight:500}
.text-button,.icon-button{color:#667085}
.text-button:hover,.icon-button:hover{background:#f2f4f7;color:var(--teal);border-radius:8px}
.login-view{background:#fff}
.login-story{background:linear-gradient(150deg,#0a2440 0%,#0b3a63 55%,#0a5a99 100%);padding:52px 9%}
.login-story:after{content:"";position:absolute;inset:auto -120px -160px auto;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,#4aa3e833,transparent 65%)}
.login-story .brand{font-size:21.6px}
.login-headline{margin-top:120px;max-width:560px}
.login-headline .eyebrow{color:#9cc9ee;letter-spacing:2px;font-size:10.8px;text-transform:uppercase;font-weight:600}
.login-headline h1{font-size:clamp(30.6px,3.06vw,45px);line-height:1.35;letter-spacing:-.8px;margin:24px 0 20px;font-weight:650}
.login-headline p{color:#c3d9ec;line-height:1.95;font-size:13.95px}
.login-footnote{color:#8fb6d6;letter-spacing:1.4px;font-size:10.8px}
.orbit{display:none}
.login-panel{background:#f7f8fa;padding:44px}
.login-form{max-width:392px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px 32px;box-shadow:0 18px 44px #1018280f}
.login-form h2{font-size:23.4px;margin:20px 0 8px;letter-spacing:-.4px}
.login-form label{font-size:11.7px;font-weight:600;color:#344054}
.login-form input{height:46px;border-radius:10px;border-color:#d0d5dd;background:#fff}
.login-form input:focus{border-color:var(--teal);box-shadow:0 0 0 4px #0070c014}
.login-form .button{margin-top:10px;border-radius:10px}
.login-note{font-size:11.25px;line-height:1.85;color:#98a2b3}
.sidebar{width:248px;background:#fff;color:#475467;border-right:1px solid var(--line);padding:26px 16px 22px;box-shadow:none}
.sidebar .brand{color:#101828;font-size:19.8px;gap:12px;margin-bottom:34px;padding-left:8px}
.sidebar .brand small{color:#98a2b3;font-size:11.25px}
.sidebar .company-logo{width:146px;background:transparent;padding:0}
.sidebar-label{color:#98a2b3;font-size:10.8px;letter-spacing:.6px;text-transform:uppercase;padding:0 10px;margin-bottom:10px}
.beta{border-color:#e4e7ec;color:#667085;border-radius:999px;font-size:9.9px;background:#f9fafb}
.nav-item{color:#475467;border-radius:10px;font-size:13.5px;padding:11px 12px;font-weight:500}
.nav-item:hover{background:#f2f4f7;color:#101828}
.nav-item.active{background:#eaf4fd;border-color:#d1e6f8;color:#0a5a99;font-weight:600}
.nav-icon{font-size:17.1px;color:#98a2b3}
.nav-item.active .nav-icon{color:var(--teal)}
.nav-arrow{color:var(--teal)}
.corpus-note{color:#667085;font-size:11.25px;border-top:1px solid var(--line);padding-top:18px}
.status-dot{background:#12b76a;box-shadow:0 0 0 4px #12b76a14}
.status-dot.is-pending{background:#98a2b3}
.main-content{margin-left:248px}
.history-panel{width:236px;background:#fbfcfd;border-right:1px solid var(--line);padding:24px 14px}
.history-heading h2{font-size:11.7px;letter-spacing:.4px;text-transform:uppercase;color:#667085}
.history-note{font-size:11.25px;color:#98a2b3}
.history-item{border-radius:10px;padding:10px 11px;border-color:transparent}
.history-item:hover{background:#f2f4f7}
.history-item.active{background:#fff;border-color:#d1e6f8;color:#0a5a99;box-shadow:0 1px 2px #1018280a}
.history-item strong{font-size:12.15px;font-weight:600}
.history-item time{font-size:10.35px;color:#98a2b3}
.research-workspace{background:#fff}
.research-heading{min-height:72px;background:#fff;border-bottom:1px solid var(--line);padding:16px 32px}
.research-heading h2{font-size:14.4px;letter-spacing:-.2px}
.assistant-symbol{color:var(--teal);font-size:19.8px}
.model-label{font-size:10.8px;color:#98a2b3}
.research-welcome{max-width:820px;margin:clamp(44px,8vh,92px) auto 36px;padding:0 24px}
.welcome-symbol{width:56px;height:56px;border-radius:16px;background:#eef6fd;border-color:#d1e6f8;color:var(--teal);font-size:23.4px;margin:0 0 22px}
.research-welcome .eyebrow{color:#0a5a99;font-weight:600;letter-spacing:.6px;font-size:10.8px;text-transform:uppercase}
.research-welcome h1{font-size:30.6px;line-height:1.3;letter-spacing:-.9px;margin:14px 0 16px;font-weight:650}
.research-welcome p{font-size:14.4px;color:#475467;line-height:1.9}
.prompt-grid{gap:16px;margin-top:36px}
.prompt-grid button{background:#fff;border-color:var(--line);border-radius:14px;padding:22px 20px;box-shadow:0 1px 2px #1018280a;transition:border-color .16s,box-shadow .16s,transform .16s}
.prompt-grid button:hover{border-color:#b9dbf7;background:#fff;box-shadow:0 10px 28px #0070c014;transform:translateY(-2px)}
.prompt-grid span{color:#0a5a99;font-weight:600;font-size:10.8px;letter-spacing:.4px;text-transform:uppercase}
.prompt-grid strong{color:#101828;font-size:15.3px;font-weight:650}
.prompt-grid em{color:#667085;font-size:13.05px}
.prompt-grid b{color:#98a2b3}
.composer-area{max-width:880px;padding:16px 24px 26px}
.composer{border-radius:16px;border-color:#e4e7ec;box-shadow:0 8px 24px #1018280a;padding:18px 20px 12px}
.composer:focus-within{border-color:#7db5e8;box-shadow:0 0 0 4px #0070c014}
.composer textarea{font-size:14.4px}
.composer-hint{color:#98a2b3}
.send-button{border-radius:999px;background:var(--teal);width:38px;height:38px;box-shadow:0 2px 6px #0070c033}
.messages{max-width:880px;padding:32px 24px 12px}
.message{margin-bottom:34px}
.message-header{font-size:11.25px;margin-bottom:12px}
.message-header strong{color:#344054;font-size:11.25px;font-weight:600}
.message-avatar{width:28px;height:28px;border-radius:10px;background:#eef6fd;color:var(--teal)}
.message.user .message-avatar{background:#f2f4f7;color:#475467}
.message.user .message-body{background:#f7f8fa;border:1px solid var(--line);border-radius:14px;font-size:13.95px}
.message.assistant .message-body{padding:0 0 0 4px;font-size:14.4px}
.markdown{line-height:1.9}
.markdown h2{font-size:19.8px;letter-spacing:-.3px;margin:28px 0 12px}
.markdown h3{font-size:16.2px}
.markdown p{margin-bottom:16px}
.markdown blockquote{border-left:3px solid #b9dbf7;background:#f4f9fe;color:#344054;border-radius:0 10px 10px 0}
.markdown code{background:#f2f4f7;border-radius:5px}
.markdown pre{background:#f9fafb;border-color:var(--line);border-radius:10px}
.markdown th{background:#f4f9fe}
.table-scroll{border-radius:10px;border-color:var(--line)}
.citation{background:#eaf4fd;color:#0a5a99;border-radius:6px;padding:1px 6px;font-weight:500}
.citation:hover{background:#d8ecfc}
.job-events{border-radius:10px;background:#f9fafb;border-color:var(--line);color:#667085}
.source-section>h3{color:#98a2b3;letter-spacing:.6px;text-transform:uppercase;font-size:10.35px}
.reference-line{font-size:11.7px;color:#475467}
.reference-ids{color:var(--teal)}
.library-view{max-width:1500px;padding:44px 40px 30px}
.page-heading h1{font-size:30.6px;letter-spacing:-.8px;margin:12px 0 10px;font-weight:650}
.page-heading .eyebrow{color:#0a5a99;font-weight:600;letter-spacing:.6px;font-size:10.8px;text-transform:uppercase}
.page-heading p{font-size:13.5px;color:#667085}
.search-bar{border-radius:14px;border-color:#e4e7ec;padding:7px;background:#fff;box-shadow:0 1px 2px #1018280a}
.search-bar input{font-size:13.5px}
.filters{font-size:11.7px;color:#667085;margin:18px 0 28px}
.filter-control select{font-size:12.6px;color:#344054;background:#fff;border:1px solid var(--line);border-radius:8px;padding:7px 10px}
.catalog-heading h2{font-size:15.3px;letter-spacing:-.2px}
.count{background:#eef6fd;color:#0a5a99;border-radius:999px;font-size:11.25px;padding:3px 10px;font-weight:600}
.release-label{font-size:10.8px;color:#98a2b3}
.category-overview{gap:14px;margin:10px 0 40px}
.category-tile{border:1px solid var(--line);border-radius:14px;background:#fff;padding:20px 18px;box-shadow:0 1px 2px #1018280a;transition:border-color .16s,box-shadow .16s,transform .16s}
.category-tile:hover{background:#fff;border-color:#b9dbf7;box-shadow:0 10px 26px #0070c014;transform:translateY(-2px)}
.category-tile strong{font-size:13.5px;color:#101828;font-weight:650}
.category-tile span{font-size:11.25px;color:#667085}
.category-tile b{font-size:23.4px;color:#0070c0;font-weight:650;letter-spacing:-.6px}
.category-section-heading h3{font-size:19.8px;letter-spacing:-.4px;font-weight:650}
.category-section-heading p{color:#98a2b3;font-size:11.25px}
.paper-grid{gap:16px}
.paper-card{border-color:var(--line);border-radius:14px;padding:20px;box-shadow:0 1px 2px #1018280a;transition:border-color .16s,box-shadow .16s,transform .16s}
.paper-card:hover{border-color:#b9dbf7;box-shadow:0 12px 30px #0070c014;transform:translateY(-2px)}
.category-tag{background:#f2f4f7;border:1px solid #e4e7ec;border-radius:999px;color:#475467;font-size:10.35px;padding:4px 9px;font-weight:500}
.paper-year{font-size:10.8px;color:#98a2b3}
.paper-title-button{font-size:13.95px;line-height:1.65;font-weight:600}
.paper-title-button:hover{color:var(--teal)}
.paper-authors{font-size:11.25px;color:#98a2b3}
.paper-description{font-size:12.15px;color:#667085;line-height:1.8}
.paper-card-bottom{border-top-color:#f2f4f7}
.paper-journal{font-size:10.8px;color:#98a2b3}
.paper-card-bottom .text-button{font-size:11.25px;font-weight:600}
.pagination{font-size:11.25px;color:#667085}
.library-footnote{font-size:10.8px;color:#98a2b3}
dialog{border-radius:18px;background:#fff;box-shadow:0 30px 90px #10182833}
.paper-dialog{border-radius:18px 0 0 18px}
.drawer-header{background:#ffffffeb;backdrop-filter:blur(8px)}
.paper-detail h1{font-size:24.3px;letter-spacing:-.5px}
.detail-section h2{color:#101828;font-weight:650}
.detail-section p{color:#475467}
.detail-keywords span{background:#f4f9fe;color:#0a5a99;border:1px solid #d1e6f8;border-radius:999px}
.toast{border-radius:12px;background:#101828;border-color:#344054;color:#f9fafb}
@media(max-width:1200px){.sidebar{width:224px}.main-content{margin-left:224px}.history-panel{width:208px}.library-view{padding:36px 28px 28px}}
@media(max-width:940px){.sidebar{width:200px}.main-content{margin-left:200px}.history-panel{width:188px}.research-heading{padding:14px 20px}}
@media(max-width:680px){.login-panel{padding:24px 18px}.login-form{padding:26px 20px}.library-view{padding:28px 18px 24px}.category-overview{gap:10px}}

/* ============ Review fixes ============ */
.sidebar{width:224px}
.main-content{margin-left:224px}
.history-panel{width:220px}
.welcome-symbol{margin:0 auto 22px}
.history-item strong{font-weight:500;white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.6}
.history-item.active strong{font-weight:600}
.category-tile b{font-size:19.8px;color:#344054}
.category-tile:hover b{color:#0070c0}
.prompt-grid button{box-shadow:0 1px 2px #10182808}
.markdown p{text-wrap:pretty}
.citation{white-space:nowrap}
.login-note{font-size:11.7px;color:#667085;line-height:1.8}
.login-form .button{margin-top:6px}
@media(max-width:1200px){.sidebar{width:208px}.main-content{margin-left:208px}.history-panel{width:200px}}
@media(max-width:940px){.sidebar{width:188px}.main-content{margin-left:188px}.history-panel{width:180px}}

/* ============ Research history: per-record delete ============ */
.history-item{display:flex;align-items:flex-start;gap:4px;padding:3px;border:1px solid transparent;border-radius:10px}
.history-item:hover{background:#f2f4f7}
.history-item.active{background:#fff;border-color:#d1e6f8}
.history-open{flex:1;min-width:0;border:0;background:none;padding:7px 7px;text-align:left;color:inherit;border-radius:8px}
.history-open:hover{background:transparent}
.history-open strong{font-weight:500;font-size:12.15px;line-height:1.6;white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.history-item.active .history-open strong{font-weight:600;color:#0a5a99}
.history-open time{display:block;font-size:10.35px;color:#98a2b3;margin-top:6px}
.history-delete{flex-shrink:0;width:28px;height:28px;margin-top:4px;border:0;border-radius:8px;background:transparent;color:#98a2b3;display:grid;place-items:center;opacity:0;transition:opacity .14s,background .14s,color .14s}
.history-delete svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.history-item:hover .history-delete,.history-item:focus-within .history-delete,.history-delete:focus-visible{opacity:1}
.history-delete:hover{background:#fef3f2;color:#b42318}
@media(hover:none){.history-delete{opacity:1}}
.confirm-dialog{width:min(440px,92vw);border-radius:16px}
.confirm-content{padding:22px 26px 24px}
.confirm-content p{font-size:13.5px;line-height:1.75;margin:0 0 10px;color:#344054}
.confirm-content p.muted{font-size:11.7px;color:#667085}
.confirm-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}
.button.danger{color:#b42318;border-color:#fecdca;background:#fff}
.button.danger:hover:not(:disabled){background:#fef3f2;border-color:#f97066}
.button.danger-solid{background:#b42318;border-color:#b42318;color:#fff}
.button.danger-solid:hover:not(:disabled){background:#912018;border-color:#912018}
/* Reassert mobile rail geometry after the SaaS desktop skin. */
@media(max-width:680px){.sidebar{width:100%;height:64px;padding:9px 16px}.main-content{margin-left:0}.history-panel{width:100%;padding:10px 16px}.research-heading{min-height:56px;padding:12px 18px}.composer-area{padding:10px 16px max(12px,env(safe-area-inset-bottom))}.composer{padding:12px 14px 10px}.upload-panel{max-height:16dvh}.composer-hint{display:none}.composer-bottom>#question-count{margin-right:auto}}

/* Responsive shell v2: one module header, one optional context rail. */
:root{--header-height:72px;--app-height:100dvh;--app-top:0px}
.app-shell{display:flex;flex-direction:column;min-height:100dvh}
.app-header.sidebar{position:sticky;inset:0 0 auto;width:100%;height:var(--header-height);padding:10px 24px;display:flex;flex-direction:row;align-items:center;gap:20px;border:0;border-bottom:1px solid var(--line);z-index:10}
.app-header.sidebar .brand{display:flex;flex-direction:row;align-items:center;gap:7px;margin:0 0 0 -8px;padding:6px 10px;font-size:18px;white-space:nowrap;border:1px solid transparent;border-radius:10px;background:transparent;color:#101828;text-align:left;transition:background .18s,border-color .18s}
.app-header.sidebar .brand:hover{background:#f2f4f7;border-color:#e4e7ec}
.app-header.sidebar .brand:focus-visible{outline:3px solid #0070c0;outline-offset:2px}
.app-header.sidebar .brand.is-static{pointer-events:none;background:transparent;border-color:transparent}
.app-header.sidebar .company-logo{width:120px;height:auto;flex-shrink:0;padding:0;margin-left:4px}
.app-header.sidebar .brand small{margin-top:3px}
.app-header.sidebar nav{display:flex;gap:2px;width:auto;padding:4px;background:#f2f4f7;border-radius:12px}
.app-header .nav-item{width:auto;white-space:nowrap;min-height:44px;padding:10px 16px;gap:7px;border:1px solid transparent;border-radius:9px;color:#607173;font-weight:500;transition:background .15s,color .15s,border-color .15s,box-shadow .15s}
.app-header .nav-item:hover{background:#e9ecf1;color:#101828}
.app-header .nav-item.active{background:#fff;border-color:#e4e7ec;color:var(--teal);font-weight:600;box-shadow:0 1px 3px #1018281a}
.app-header .nav-item.active:hover{background:#fff;color:var(--teal)}
.app-header .nav-arrow{display:none}
.app-header .nav-icon{display:inline-block;width:auto;font-size:14.4px;line-height:1;color:inherit;opacity:.85}
.header-actions{display:flex;align-items:center;gap:8px;margin-left:auto}
.app-header .corpus-note{border:0;padding:0;align-items:center;gap:8px}
.app-header .status-dot{margin:0}.app-header .corpus-types{display:none}
.app-header .beta{margin-left:6px}
.main-content{margin-left:0;min-width:0;width:100%;flex:1}
body.research-active{height:var(--app-height);overflow:hidden}
.research-active .app-shell{height:var(--app-height);min-height:0}
.research-active .main-content{height:auto;min-height:0;overflow:hidden;display:flex}
.research-view{height:auto;min-height:0;min-width:0;width:100%;flex:1;display:flex;flex-direction:row}
.history-panel{width:240px;max-height:none;min-height:0;flex-shrink:0;padding:22px 14px;display:flex;flex-direction:column;align-items:stretch;gap:0;overflow:auto;border-right:1px solid var(--line);border-bottom:0}
.history-heading{gap:8px}.history-heading h2{font-size:12.6px;letter-spacing:0}
.history-heading .icon-button,.icon-button,.send-button{width:44px;height:44px}
.history-note{margin:12px 0;font-size:11.25px;color:#667085}
.history-search{width:100%;min-height:44px;padding:10px 12px;border:1px solid #e4e7ec;background:#fff;border-radius:9px;font-size:14.4px;margin:0 0 16px}
.history-list{display:grid;gap:8px}.history-item{max-width:none;min-width:0;flex-shrink:0}
.history-open{min-height:52px}.history-open time{display:block;color:#667085}
.history-delete{width:36px;height:36px;margin-top:4px}
.history-panel .model-label{text-align:left;margin:20px 0 0;padding-top:16px;border-top:1px solid var(--line);color:#667085;font-size:10.8px}
.history-panel #history-status{white-space:normal}
#close-history{display:none}.history-dialog #close-history{display:grid}
.research-workspace{min-height:0;min-width:0;flex:1}
.research-welcome{max-width:940px;margin:clamp(32px,7vh,76px) auto 28px;padding:0 32px}
.research-welcome h1{font-size:28.8px}.welcome-symbol{margin:0 auto 22px}
.messages{max-width:960px;padding:32px 36px 12px}
.composer-area{max-width:960px;max-height:55%;overflow:auto;padding:12px 32px max(20px,env(safe-area-inset-bottom));flex-shrink:0}
.composer{padding:12px 16px 10px}.composer textarea{min-height:56px;resize:none;max-height:160px}
.upload-toolbar{margin-bottom:6px;gap:10px}.upload-toolbar>span{color:#667085}
.upload-panel{max-height:18dvh}.composer-hint{color:#667085}
.composer-bottom{margin-top:6px}.composer-bottom>#question-count{margin-left:auto}
.history-dialog{position:fixed;inset:0 auto 0 0;margin:0;padding:0;width:min(320px,90vw);max-width:90vw;height:100dvh;max-height:100dvh;border-radius:0 16px 16px 0;overflow:hidden}
.history-dialog .history-panel{width:100%;height:100%;max-height:100%;border:0;padding:16px 16px max(20px,env(safe-area-inset-bottom));background:#fbfcfd}
.history-dialog .history-delete{width:44px;height:44px;opacity:1}
.history-dialog .history-heading{flex-shrink:0}.history-dialog .history-heading h2{margin-right:auto}
.history-dialog .history-list{display:grid}.history-dialog .history-note{display:block}
.category-section{scroll-margin-top:92px}
@media(min-width:1201px){.prompt-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:1100px){.app-header.sidebar{gap:12px;padding:10px 16px}.app-header.sidebar .brand small,.header-actions .beta{display:none}.app-header .nav-item{padding:10px 12px}.app-header .corpus-note{font-size:11.25px}.history-panel{width:224px}}
@media(max-width:800px), (max-width:1000px) and (max-height:500px){
 :root{--header-height:60px}
 .app-header.sidebar{height:var(--header-height);padding:8px 12px;gap:8px}
 .app-header.sidebar .brand{font-size:16.2px}.app-header.sidebar .company-logo{width:106px}
 .header-actions{display:none}.app-header.sidebar nav{margin-left:auto;gap:4px}
 .app-header .nav-item{font-size:12.6px;padding:10px 12px}
 .research-active .app-header.sidebar{position:relative;top:auto;flex-shrink:0}
 .research-active .app-shell{position:fixed;top:var(--app-top);left:0;right:0;width:100%;height:var(--app-height)}
 .research-view{flex-direction:row}.research-workspace{min-height:0}
 .research-welcome{margin:28px auto 24px;padding:0 24px;max-width:620px}
 .research-welcome h1{font-size:25.2px}.research-welcome .eyebrow{display:none}
 .prompt-grid{grid-template-columns:1fr;gap:10px;margin-top:24px}
 .prompt-grid button{display:grid;grid-template-columns:100px minmax(0,1fr);gap:2px 12px;padding:13px 15px}
 .prompt-grid span{grid-row:1/3;align-self:center;margin:0;font-size:12.6px}
 .prompt-grid strong{font-size:14.4px;margin:0;padding-right:18px}.prompt-grid em{font-size:12.6px;padding-right:0}
 .prompt-grid b{right:12px;top:15px}.welcome-symbol{display:none}
 .messages{padding:24px 20px 10px}.message.assistant .message-body{padding:0}
 .job-events,.source-section,.message-state{margin-left:0}
 .composer-area,.composer-area:has(.upload-toolbar){padding:8px 16px max(10px,env(safe-area-inset-bottom));max-height:55%;overflow:auto}
 .composer{padding:10px 12px;border-radius:14px}.composer textarea{min-height:48px;max-height:100px;font-size:14.4px;line-height:1.6}
 .upload-toolbar{gap:6px;margin-bottom:0}.upload-toolbar .button{min-height:44px;padding:8px 10px}
 .upload-toolbar>span{font-size:12.6px}
 .composer-hint{display:none}.composer-bottom>#question-count{margin:0 auto 0 0}
 .upload-panel{max-height:16dvh}
 .research-status{flex-wrap:wrap;gap:4px 10px}.research-status-detail{max-height:64px;overflow:auto}
 .library-view{padding:28px 20px}.paper-grid{grid-template-columns:1fr}.category-overview{grid-template-columns:repeat(2,minmax(0,1fr))}
 .category-preview .paper-card:last-child:nth-child(3){grid-column:auto}
 .filter-control select,.search-bar input{font-size:14.4px;min-height:44px}
 .text-button,.button.small{min-height:44px}.paper-card-bottom .text-button{padding:10px 0}
 .paper-dialog{width:100vw;max-width:100vw;border-radius:0}.drawer-header{padding:12px 16px}.paper-detail{padding:20px 18px 28px}.paper-detail h1{font-size:20.7px}
 .evidence-dialog{width:100vw;max-width:100vw;max-height:100dvh;border-radius:12px}.evidence-content{padding:20px 16px}
 .login-story{height:auto;min-height:0;padding:24px}.login-story .brand{font-size:18px;gap:12px}.login-story .company-logo{width:120px}
 .login-headline{margin-top:24px}.login-headline h1{font-size:23.4px;margin:0;line-height:1.4}
 .login-panel{padding:20px 16px}.login-form{padding:22px 18px}.login-form h2{font-size:21.6px}
}
@media(max-width:480px){
 :root{--header-height:56px}
 .app-header.sidebar{padding:6px 8px;gap:4px}.app-header.sidebar .brand{display:none}.app-header.sidebar .company-logo{width:86px}
 .app-header .nav-item{padding:10px 9px}.app-header.sidebar nav{gap:2px}
 .research-welcome{padding:0 18px;margin-top:24px}.research-welcome h1{font-size:23.4px}
 .messages{padding:20px 16px 8px}.message.user .message-body{padding:12px 14px}
 .composer-area,.composer-area:has(.upload-toolbar){padding:6px 10px max(8px,env(safe-area-inset-bottom))}
 .library-view{padding:24px 16px}.page-heading h1{font-size:25.2px}.page-heading p{font-size:14.4px}
 .filter-control{width:100%;display:flex;justify-content:space-between}.filter-control select{max-width:65%;width:65%}.filters{gap:8px}
 .category-section-heading h3{font-size:18px}.paper-card{padding:18px 16px}
 .category-tile{padding:16px 12px}.category-section{scroll-margin-top:72px}
}
@media(max-width:360px){.app-header.sidebar .company-logo{width:76px}.app-header .nav-item{padding:10px 7px}.research-welcome{padding:0 16px}.prompt-grid button{grid-template-columns:86px minmax(0,1fr);gap:2px 8px;padding:12px}.prompt-grid b{display:none}.prompt-grid strong{padding-right:0}.upload-toolbar>span{font-size:12.6px}.login-story .brand{flex-wrap:wrap}}
@media(max-width:1000px) and (max-height:520px){.composer textarea{min-height:40px;height:40px}.composer-area,.composer-area:has(.upload-toolbar){max-height:62%}.upload-toolbar>span{display:none}}

@media(max-width:1000px) and (max-height:520px){.composer{display:grid;grid-template-columns:auto minmax(0,1fr);gap:4px 12px}.composer textarea,.composer-bottom{grid-column:1/-1}.composer-bottom{margin-top:0}.composer-area,.composer-area:has(.upload-toolbar){max-height:75%}.composer textarea{height:40px;min-height:40px}.composer-hint{display:none}}


/* Reader updates preserve the reading position; references are opt-in. */
.conversation-scroll{overflow-anchor:none}
.source-section>summary{font-size:12.6px;font-weight:500;color:#667085;cursor:pointer;padding:8px 0}
.source-section>summary:focus-visible{outline:2px solid var(--teal);outline-offset:2px}
.source-section[open]>summary{margin-bottom:12px}

/* Compact type: 90% text, unchanged layout/logo/touch targets. */
.history-open strong{word-break:break-all;overflow-wrap:anywhere;text-align:left}
/* Retain mobile input sizing to avoid iOS focus auto-zoom. */
@media(max-width:1000px){input,textarea,select,.login-form input,.composer textarea,.search-bar input,.filter-control select,.history-search{font-size:16px}}

/* Conversation export: composer upper right, native accessible format dialog. */
.upload-toolbar #export-conversation{margin-left:auto;white-space:nowrap;min-height:36px}
.export-dialog{width:min(480px,94vw);max-height:90dvh;border-radius:14px}
.export-dialog h2{font-size:18px}.export-content{padding:20px 24px}.export-content p{font-size:14px;line-height:1.7}.export-formats{display:flex;gap:10px;flex-wrap:wrap}.export-formats .button{min-height:44px;flex:1;white-space:nowrap;font-size:14px}
#export-status:empty,#export-error:empty{display:none}
@media(max-width:680px){.upload-toolbar{gap:6px}.upload-toolbar>span{order:3;flex-basis:100%;font-size:12.6px}.upload-toolbar #export-conversation{padding:5px 8px;min-height:44px;font-size:12.6px}.export-content{padding:16px}.export-formats{flex-direction:column}}
/* Brand carries the history toggle: keep it reachable when the wordmark is hidden on narrow screens. */
@media(max-width:480px){
 .app-header.sidebar .brand{display:inline-flex;margin:0;padding:0;border:0;min-width:32px;min-height:32px;justify-content:center}
 .app-header.sidebar .brand .brand-name{display:none}
}
/* Layered rail: one sheet (header + active page) slides right over the panel beneath.
   Scoped by viewport, not by a JS class, so the layout cannot desync from state. */
@media (min-width:801px) and (min-height:501px), (min-width:1001px){
 :root{--rail-width:240px;--rail-shadow:-12px 0 32px #10182818}
 .research-view{position:relative;overflow:hidden}
 .history-panel,.library-panel{position:fixed;inset:0 auto 0 0;width:var(--rail-width);z-index:1;background:#fbfcfd;border-right:1px solid var(--line);padding:22px 14px}
 .library-panel{display:flex;flex-direction:column;gap:14px;overflow:auto}
 /* A full-width sibling sheet covers the rail; the inner catalog keeps its
    centered reading-width cap. Both pages cast the exact same edge shadow. */
 .research-workspace,.library-sheet{position:relative;z-index:2;margin-left:var(--rail-width);background:#fff;box-shadow:var(--rail-shadow)}
 .library-sheet{min-height:calc(100dvh - var(--header-height))}
 .app-header.sidebar{margin-left:var(--rail-width);width:calc(100% - var(--rail-width));background:var(--canvas);box-shadow:var(--rail-shadow)}
 body.rail-collapsed .research-workspace,
 body.rail-collapsed .library-sheet,
 body.rail-collapsed .app-header.sidebar{margin-left:0;box-shadow:none}
 body.rail-collapsed .app-header.sidebar{width:100%}
 body.lh-ready .research-workspace,
 body.lh-ready .library-sheet{transition:margin-left .34s cubic-bezier(.4,0,.2,1),box-shadow .34s ease}
 body.lh-ready .app-header.sidebar{transition:margin-left .34s cubic-bezier(.4,0,.2,1),width .34s cubic-bezier(.4,0,.2,1),box-shadow .34s ease}
}
@media (max-width:800px), (max-width:1000px) and (max-height:500px){
 .library-panel{display:none}
}
@media(prefers-reduced-motion:reduce){
 body.lh-ready .research-workspace,body.lh-ready .library-sheet,body.lh-ready .app-header.sidebar{transition:none}
}
/* Compact header: centre the two views; the rail closes by tapping outside, so no explicit close button. */
@media(max-width:800px), (max-width:1000px) and (max-height:500px){
 .app-header.sidebar nav{position:absolute;left:50%;transform:translateX(-50%);margin:0}
 .app-header.sidebar .company-logo{margin-left:auto}
}
@media(max-width:360px){
 .app-header.sidebar .company-logo{width:68px}
 .app-header .nav-item{padding:10px 6px;font-size:12px}
}
.history-dialog #close-history{display:none}
/* Contributions share the research rail; no separate contribution dialog. */
.library-panel{min-height:0}
.library-panel .history-heading{flex-shrink:0}
#contribute-paper{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;min-height:44px;padding:10px 12px;flex-shrink:0;font-size:12.6px;white-space:nowrap;color:#0a5a99;border-color:#c7dff2;background:#eef6fd}
#contribute-paper svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}
.contribution-invitation{font-size:12.6px;color:#475467;line-height:1.7;margin:0;flex-shrink:0}
.contribution-file-hint{font-size:12.6px;color:var(--muted);line-height:1.6;margin:0;flex-shrink:0}
.contribution-dropzone{border:1px dashed #c7dff2;border-radius:10px;padding:8px;flex-shrink:0;transition:background .15s,border-color .15s}
.contribution-drop-hint{font-size:12.6px;line-height:1.6;color:var(--muted);text-align:center;margin:8px 0 0}
.contribution-dropzone.is-dragging{border-color:#0070c0;border-style:solid;background:#e4f2ff;box-shadow:0 0 0 2px #0070c026}
.contribution-dropzone.is-dragging .contribution-drop-hint{color:#0a5a99}
.contribution-dropzone[aria-disabled="true"]{opacity:.65}
.contribution-progress{display:flex;flex-wrap:wrap;gap:8px;font-size:12.6px;line-height:1.7;overflow-wrap:anywhere}
.contribution-progress:empty,#contribution-error:empty,#contribution-list-status:empty{display:none}
#contribution-error,#contribution-list-status{font-size:12.6px;line-height:1.7;margin:0;overflow-wrap:anywhere}
.contribution-list-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:12.6px;color:var(--muted)}
.contribution-list-heading .text-button{font-size:12.6px;padding:4px}
.contribution-list{display:grid;gap:8px;overflow-y:auto;min-height:0;flex:1;align-content:start;scrollbar-width:thin}
.contribution-item{display:flex;flex-direction:column;align-items:flex-start;gap:8px;padding:12px 10px;border:1px solid transparent;border-radius:9px;min-width:0}
.contribution-item:hover{background:#f2f4f7}
.contribution-info{min-width:0;max-width:100%;overflow-wrap:anywhere}
.contribution-info h4{font-size:12.6px;line-height:1.7;font-weight:500;margin:0 0 7px;word-break:break-all;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.contribution-badges{display:flex;flex-wrap:wrap;gap:4px 8px;font-size:11.7px;line-height:1.6;color:var(--muted)}
.contribution-source{color:#667085}.contribution-state{color:#0a5a99}
.contribution-item .button,.contribution-progress .button{font-size:12.6px;white-space:normal;text-align:left}
.contribution-item .form-error{margin:8px 0 0;white-space:pre-wrap;font-size:12.6px}
.history-dialog .library-panel{display:flex;flex-direction:column;gap:14px;width:100%;height:100%;max-height:100%;padding:16px 16px max(20px,env(safe-area-inset-bottom));background:#fbfcfd;overflow:auto}
.history-dialog .contribution-list-heading .text-button{min-height:44px}

#contribution-more-status{font-size:12.6px;line-height:1.7;color:var(--muted);flex-shrink:0;overflow-wrap:anywhere}
#contribution-more-status:empty{display:none}
#contribution-more-status .text-button{font-size:12.6px}

/* Full-context capacity indicator. No progress animation: this is occupancy. */
.context-meter{position:relative;flex:none;color:var(--muted,#64748b);font-size:12px}
.context-meter summary{display:flex;align-items:center;gap:4px;cursor:pointer;list-style:none;min-height:36px;border-radius:8px}
.context-meter summary::-webkit-details-marker{display:none}.context-meter summary:focus-visible{outline:2px solid #0070c0;outline-offset:2px}
.context-meter svg{width:36px;height:36px;overflow:visible}.context-meter circle{fill:none;stroke-width:3}.context-track{stroke:#e2e8f0}.context-arc{stroke:#0070c0;transform:rotate(-90deg);transform-origin:20px 20px}.context-meter text{fill:currentColor;font-size:9px;font-weight:600}
.context-meter[data-level="warning"] .context-arc{stroke:#b76a00}.context-meter[data-level="full"] .context-arc{stroke:#bd3030}
.context-popover{position:absolute;right:0;bottom:44px;width:290px;max-width:calc(100vw - 40px);padding:14px 16px;background:#fff;border:1px solid #dbe3ee;border-radius:12px;box-shadow:0 8px 28px #0f172a22;z-index:20;font-size:13px;line-height:1.6;color:#334155}.context-popover p{margin:8px 0 0}.context-warning{display:flex;align-items:center;gap:10px;justify-content:space-between;padding:8px 12px;margin-bottom:8px;border-radius:8px;background:#fff7e8;color:#805100;font-size:13px;line-height:1.5}.context-warning[hidden]{display:none}.context-warning button{white-space:nowrap}
@media(max-width:600px){.context-meter summary>span{display:none}.context-popover{right:-44px}.context-warning{align-items:flex-start}.context-warning button{flex:none}}

.composer-bottom #context-meter{margin-left:auto}.composer-bottom>#question-count{margin:0}.context-popover{position:fixed;bottom:auto;right:auto;max-width:calc(100vw - 32px)}

/* --- login brand: dark-mode logo, no white plate, optical centering (20261101) --- */
.login-story .brand{align-items:center;gap:14px}
.login-story .company-logo{width:auto;height:34px;background:transparent;border-radius:0;padding:0}
@media(max-width:680px){.login-story .company-logo{height:30px}}

/* Paired chevrons: static at rest, staggered travel only on hover.
   The track mirrors the action direction; hover never reverses that meaning. */
.brand-chev{display:inline-grid;place-items:center;width:20px;height:24px;flex:none;color:#667085}
.chev-track{display:block;position:relative;width:20px;height:24px}
.chev-stroke{position:absolute;left:7px;top:8px;width:8px;height:8px;border-left:1.8px solid currentColor;border-bottom:1.8px solid currentColor;transform:rotate(45deg);border-radius:1px}
.chev-stroke:nth-child(2){opacity:0}
.brand[aria-expanded="false"] .chev-track{transform:rotate(180deg)}
.brand.is-static .brand-chev{display:none}
@media(hover:hover) and (pointer:fine){
 .brand:hover .brand-chev{color:var(--teal)}
 .brand:hover .chev-stroke{animation:chev-travel 1.6s ease-in-out infinite}
 .brand:hover .chev-stroke:nth-child(2){animation-delay:-.8s}
}
@keyframes chev-travel{
 0%{opacity:0;transform:translateX(5px) rotate(45deg)}
 45%{opacity:1}
 100%{opacity:0;transform:translateX(-5px) rotate(45deg)}
}
@media(prefers-reduced-motion:reduce){.brand:hover .chev-stroke{animation:none}.brand:hover .chev-stroke:nth-child(2){opacity:0}}
/* Status shares the keyboard-help row; long errors remain readable in a bounded area. */
.composer-meta{display:flex;align-items:center;flex-wrap:wrap;gap:2px 12px;flex:1;min-width:0}
.composer-meta .composer-hint{margin:0;white-space:nowrap;max-width:none}
.composer-meta .research-status{margin:0;min-width:0;max-width:100%;flex:1 1 160px;gap:6px;align-items:center;flex-wrap:wrap;line-height:1.5;max-height:57px;overflow:auto}
.composer-meta .research-status-detail{max-height:none;overflow:visible;flex:1 1 80px}
.composer-bottom #context-meter{margin-left:auto}
/* Anchor the user block to the right, but retain natural left-to-right prose. */
.messages{width:100%}
.message.user{display:flex;flex-direction:column;align-items:flex-end}
.message.user .message-header{flex-direction:row-reverse;justify-content:flex-start}
.message.user .message-body{width:fit-content;max-width:85%;text-align:left;overflow-wrap:anywhere;min-width:0}
@media(max-width:800px), (max-width:1000px) and (max-height:500px){
 .composer-bottom{gap:8px;flex-wrap:wrap}
 .composer-meta{flex:1 1 80px}
 .composer-meta:has(.research-status:empty){display:none}
 .composer-meta .research-status{flex-basis:80px;font-size:12.6px}
 .message.user .message-body{max-width:92%}
}


/* A hoverable, scrollable reading surface; bridge the small pointer gap. */
.context-popover{max-height:calc(100dvh - 24px);overflow:auto;overscroll-behavior:contain}