:root{color:#2c2937;font-synthesis:none;text-rendering:optimizelegibility;--bg:#fcfbf9;--surface:#fff;--text:#2c2937;--muted:#706c7c;--line:#e6e2e9;--subtle:#f3f0f6;--accent:#65518c;--accent-soft:#f1edf8;--link:#59458c;--button:#302b3d;--on-button:#fff;--warm:#f5c975;--error:#a9353c;--success:#2e6b50;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;background:#fcfbf9;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}:root[data-theme=dark]{--bg:#1d1b23;--surface:#25222d;--text:#efecf5;--muted:#b6b0c3;--line:#403a49;--subtle:#302b39;--accent:#c8b4ed;--accent-soft:#342d43;--link:#c8b4ed;--button:#e7def4;--on-button:#25202f;--warm:#f5c975;--error:#ffabb0;--success:#94d8b2;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}body{background:var(--bg);min-width:320px;color:var(--text);margin:0;font-size:15px;line-height:1.65}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}button:disabled{cursor:default;opacity:.45}a{color:var(--link);text-underline-offset:3px}button{background:0 0;border:0}button,a{touch-action:manipulation}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--accent);outline-offset:4px}button,a,input,select{transition:background-color .15s,border-color .15s,color .15s}h1,h2,h3,p{margin:0}svg{vertical-align:middle;flex-shrink:0}.app-shell{flex-direction:column;min-height:100svh;display:flex}.main-wrapper{flex:1}.site-header{border-bottom:1px solid var(--line);align-items:center;gap:34px;min-height:90px;padding:18px 40px;display:flex}.wordmark{letter-spacing:-.8px;white-space:nowrap;align-items:center;padding:6px 0;font-size:21px;font-weight:720;display:inline-flex}.wordmark>span:last-child{font-weight:430}.brand-symbol{width:34px;height:34px;color:var(--warm);background:#302b3d;border-radius:10px;justify-content:center;align-items:center;margin-right:10px;display:inline-flex}nav,.header-actions{align-items:center;gap:5px;display:flex}.header-actions{gap:18px;margin-left:auto}.nav-button{min-height:44px;color:var(--muted);white-space:nowrap;border-radius:9px;justify-content:center;align-items:center;gap:8px;padding:9px 13px;font-size:14px;display:inline-flex}.nav-button:hover,.icon-button:hover,.small-button:hover{background:var(--subtle)}.nav-button.selected{background:var(--accent-soft);color:var(--accent)}.today-pill{color:var(--muted);align-items:center;gap:7px;min-height:44px;font-size:12px;display:flex}.today-pill strong{color:var(--text);font-size:15px}.search-page{width:min(800px,100% - 40px);margin:0 auto}.search-page.home{padding-top:clamp(65px,12vh,145px);padding-bottom:70px}.home-heading{text-align:center;margin-bottom:36px}.eyebrow{color:var(--accent);letter-spacing:2.3px;margin-bottom:17px;font-size:10px;font-weight:650;display:block}.home-heading h1{letter-spacing:-.8px;font-size:clamp(26px,3vw,36px);font-weight:580;line-height:1.4}.home-heading p{color:var(--muted);margin-top:14px;font-size:16px}.search-form{background:var(--surface);border:1px solid var(--line);border-radius:20px;align-items:center;gap:15px;min-height:70px;padding:10px 11px 10px 24px;display:flex;box-shadow:0 3px 18px #302b3d06}.search-form:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.search-leading{color:var(--muted)}.search-form input{min-width:0;color:var(--text);background:0 0;border:none;outline:none;flex:1;height:46px;font-size:16px}.search-form input::placeholder{color:var(--muted);opacity:.85}.submit-button{background:var(--button);width:46px;height:46px;color:var(--on-button);border-radius:13px;flex-shrink:0;place-items:center;display:grid}.submit-button:hover:not(:disabled){background:var(--accent)}.search-hints{color:var(--muted);align-items:center;gap:13px;padding:12px 7px;font-size:11px;display:flex}.mode-badge{white-space:nowrap;color:var(--muted);align-items:center;gap:5px;display:inline-flex}.mode-badge.answer-mode{color:var(--accent)}kbd{font:inherit;white-space:nowrap;border:1px solid var(--line);border-radius:4px;margin-left:auto;padding:1px 5px;font-size:10px}.suggestions{color:var(--muted);flex-wrap:wrap;justify-content:center;align-items:center;gap:9px;margin-top:24px;font-size:11px;display:flex}.suggestions>span{margin-right:3px}.suggestions button{border:1px solid var(--line);min-height:36px;color:var(--muted);text-align:left;border-radius:8px;align-items:center;gap:7px;padding:6px 10px;font-size:11px;display:inline-flex}.suggestions button:hover{color:var(--accent);border-color:var(--accent)}.connection-card{border:1px solid var(--line);border-radius:14px;align-items:center;gap:17px;margin:48px auto 0;padding:22px;display:flex}.connection-icon{background:var(--accent-soft);width:44px;height:44px;color:var(--accent);border-radius:12px;flex-shrink:0;place-items:center;display:grid}.connection-card h2{font-size:14px;font-weight:600}.connection-card p{max-width:380px;color:var(--muted);margin-top:4px;font-size:12px}.connection-card>.button{flex-shrink:0;margin-left:auto}.connection-status{color:var(--success);justify-content:center;align-items:center;gap:8px;margin-top:45px;font-size:12px;display:flex}.connection-status>span{color:var(--muted)}.button{border:1px solid var(--line);background:var(--surface);border-radius:9px;justify-content:center;align-items:center;gap:8px;min-height:44px;padding:9px 15px;font-size:13px;font-weight:500;display:inline-flex}.button:hover:not(:disabled){background:var(--subtle)}.button.primary{background:var(--button);color:var(--on-button);border-color:var(--button)}.button.primary:hover:not(:disabled){background:var(--accent);border-color:var(--accent)}.button.danger-primary{background:var(--error);color:var(--bg);border-color:var(--error)}.text-button{color:var(--accent);align-items:center;gap:6px;min-height:36px;padding:5px 0;font-size:12px;display:inline-flex}.text-button:hover:not(:disabled){text-decoration:underline}.danger{color:var(--error)}.icon-button{border-radius:8px;flex-shrink:0;place-items:center;width:44px;height:44px;padding:0;display:inline-grid}.small-button{border-radius:8px;justify-content:center;align-items:center;gap:6px;min-height:44px;padding:5px 10px;font-size:12px;display:inline-flex}.button-row{flex-wrap:wrap;align-items:center;gap:9px;display:flex}.recent-section{max-width:670px;margin:40px auto 0}.section-heading{justify-content:space-between;align-items:center;gap:15px;margin-bottom:12px;display:flex}.section-heading h2{align-items:center;gap:8px;font-size:14px;font-weight:550;display:inline-flex}.recent-row{text-align:left;width:100%;min-height:46px;color:var(--muted);border-radius:7px;align-items:center;gap:12px;padding:8px;font-size:12px;display:flex}.recent-row:hover{background:var(--subtle)}.recent-row>span{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.site-footer{color:var(--muted);flex-direction:column;justify-content:center;align-items:center;gap:2px;padding:21px;font-size:11px;display:flex}.footer-meta{flex-wrap:wrap;justify-content:center;align-items:center;gap:8px 22px;display:flex}.footer-meta>span{align-items:center;gap:6px;display:inline-flex}.site-footer .text-button{color:var(--muted);font-size:11px}.footer-links{flex-wrap:wrap;justify-content:center;gap:4px 22px}.footer-links a{min-height:44px;color:var(--muted);align-items:center;font-size:12px;text-decoration:none;display:inline-flex}.footer-links a:hover{color:var(--link);text-decoration:underline}.with-results{padding-top:32px;padding-bottom:50px}.with-results .search-form{border-radius:17px;min-height:62px;padding-top:6px;padding-bottom:6px}.results-meta{border-bottom:1px solid var(--line);color:var(--muted);align-items:center;gap:22px;margin-top:8px;font-size:12px;display:flex}.active-tab{color:var(--accent);border-bottom:2px solid var(--accent);align-items:center;gap:7px;margin-bottom:-1px;padding:12px 0;display:inline-flex}.results-meta>span:last-child{margin-left:auto}.result-controls{align-items:center;gap:10px;margin-top:13px;display:flex}.result-controls label{color:var(--muted);font-size:12px}.result-controls select{width:auto;max-width:260px;min-height:44px;margin:0}.ranking-details{color:var(--muted);margin:3px 0 18px;font-size:12px}.ranking-details summary{cursor:pointer;color:var(--accent);min-height:44px;padding:11px 0}.ranking-details summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.ranking-details p{margin-bottom:10px}.ranking-details>a{align-items:center;min-height:36px;display:inline-flex}.retrieval-counts{font-variant-numeric:tabular-nums}.summary-order-note{margin:0 0 14px}.result-signals{color:var(--muted);flex-wrap:wrap;gap:14px;margin-top:5px;font-size:11px;display:flex}.more-results{border-top:1px solid var(--line);text-align:center;flex-direction:column;align-items:center;gap:11px;padding:25px 12px;display:flex}.more-results>p{max-width:600px}.load-more-button{min-width:min(260px,100%);min-height:46px}.batch-setting-hint{margin-top:12px}.answer-panel{border:1px solid var(--line);background:var(--surface);border-radius:14px;margin:25px 0 30px;padding:20px 23px}.answer-header{justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px;display:flex}.answer-header h2{align-items:center;gap:9px;font-size:15px;font-weight:600;display:inline-flex}.answer-header h2 svg{color:var(--accent)}.answer-text{white-space:pre-wrap;overflow-wrap:anywhere;font-size:15px;line-height:1.85}.answer-disclaimer{border-top:1px solid var(--line);color:var(--muted);margin-top:17px;padding-top:13px;font-size:11px}.citation{vertical-align:super;background:var(--accent-soft);border-radius:4px;justify-content:center;align-items:center;min-width:20px;min-height:20px;margin:0 2px;padding:0 4px;font-size:10px;font-weight:600;text-decoration:none;display:inline-flex}.stream-cursor{background:var(--accent);width:5px;height:15px;margin-left:3px;animation:1s infinite blink;display:inline-block}.result-list{margin:27px 0 0;padding:0;list-style:none}.result-list>li{overflow-wrap:anywhere;padding:0 0 29px}.result-source{align-items:center;gap:9px;margin-bottom:7px;font-size:11px;line-height:1.4;display:flex}.result-source>div{flex-direction:column;gap:1px;display:flex}.site-icon{background:var(--subtle);border:1px solid var(--line);width:31px;height:31px;color:var(--muted);border-radius:9px;place-items:center;display:grid}.result-host{color:var(--muted);font-size:10px}.source-number{color:var(--muted);font-variant-numeric:tabular-nums;margin-left:auto;font-size:10px}.result-title{font-size:19px;font-weight:530;line-height:1.5;text-decoration:none;display:inline-block}.result-title:hover{text-decoration:underline}.result-snippet{color:var(--muted);margin-top:5px;font-size:14px;line-height:1.7}.result-snippet time{font-size:12px}.search-loading{color:var(--muted);align-items:center;gap:12px;padding:38px 7px;font-size:14px;display:flex}.search-loading button{margin-left:auto}.loading-inline{align-items:center;gap:8px;display:flex}.error-banner{border:1px solid var(--line);color:var(--error);border-radius:10px;justify-content:space-between;align-items:center;gap:15px;margin:20px 0;padding:17px;font-size:13px;display:flex}.workspace-page{width:min(900px,100% - 40px);margin:0 auto;padding:58px 0}.page-heading{margin-bottom:35px}.page-heading h1{letter-spacing:-.5px;font-size:clamp(25px,3vw,30px);font-weight:580}.page-heading p{color:var(--muted);max-width:710px;margin-top:12px;font-size:13px}.page-toolbar{justify-content:space-between;align-items:center;gap:16px;margin-bottom:25px;display:flex}.filter-input{border:1px solid var(--line);background:var(--surface);max-width:400px;color:var(--muted);border-radius:9px;flex:1;align-items:center;gap:10px;padding:7px 13px;display:flex}.filter-input input{width:100%;min-width:0;color:var(--text);background:0 0;border:0;height:29px;font-size:13px}.history-list{margin:0;padding:0;list-style:none}.date-heading{color:var(--muted);margin:25px 0 8px;font-size:12px;font-weight:550}.history-row{border-bottom:1px solid var(--line);align-items:center;gap:14px;padding:12px 0;display:flex}.history-query{text-align:left;overflow-wrap:anywhere;flex-direction:column;flex:1;align-items:flex-start;min-width:0;padding:5px 0;font-size:14px;display:flex}.history-query:hover{color:var(--accent)}.history-query span{color:var(--muted);margin-top:5px;font-size:11px}.history-query i{margin:0 8px;font-style:normal}.usage-topline{justify-content:space-between;align-items:center;margin-bottom:15px;display:flex}.usage-topline h2{font-size:14px;font-weight:550}.usage-topline h2>span{margin-left:9px;font-size:11px}.stats-grid{border:1px solid var(--line);background:var(--surface);border-radius:13px;grid-template-columns:repeat(4,1fr);display:grid;overflow:hidden}.stat{border-right:1px solid var(--line);flex-direction:column;gap:12px;padding:24px;display:flex}.stat:last-child{border:0}.stat span{color:var(--muted);font-size:12px}.stat strong{font-variant-numeric:tabular-nums;font-size:32px;font-weight:500;line-height:1.2}.usage-chart{border:1px solid var(--line);background:var(--surface);border-radius:13px;margin:35px 0;padding:25px}.usage-chart svg{width:100%;height:auto;margin-top:15px;display:block;overflow:visible}.chart-baseline{stroke:var(--line)}.chart-bar{fill:var(--accent-soft)}.today-bar{fill:var(--accent)}.chart-value{fill:var(--text);font-family:inherit;font-size:13px}.chart-label{fill:var(--muted);font-family:inherit;font-size:11px}.table-scroll{border:1px solid var(--line);border-radius:10px;overflow-x:auto}table{border-collapse:collapse;text-align:left;width:100%;font-size:12px}th{background:var(--subtle);color:var(--muted);white-space:nowrap;font-weight:500}th,td{border-bottom:1px solid var(--line);padding:12px 16px}tbody tr:last-child td{border-bottom:0}.dialog{border:1px solid var(--line);background:var(--surface);width:min(610px,100% - 28px);max-height:calc(100svh - 44px);color:var(--text);overscroll-behavior:contain;border-radius:18px;padding:0 27px;box-shadow:0 20px 90px #0002}.dialog::backdrop{background:#17121f66}.dialog-header{z-index:1;background:var(--surface);border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:17px 0 12px;display:flex;position:sticky;top:0}.dialog-header h2{font-size:18px;font-weight:600}.settings-section{border-bottom:1px solid var(--line);padding:24px 0}.settings-section:last-child{border:0}.engine-options{border:0;gap:12px;margin:15px 0 0;padding:0;display:flex}.engine-options label{border:1px solid var(--line);cursor:pointer;border-radius:8px;flex-wrap:wrap;flex:1;align-items:center;gap:8px;padding:12px;font-size:13px;display:flex}.engine-options label.selected{border-color:var(--accent)}.engine-options input{accent-color:var(--accent)}.engine-options small{width:100%;color:var(--muted)}.engine-indicator{flex-shrink:0;font-weight:600}.provider-usage{margin:12px 0 20px}.settings-section h3{align-items:center;gap:8px;margin-bottom:10px;font-size:15px;font-weight:600;display:flex}.settings-section>p{font-size:12px}.setup-step{margin-top:19px;font-size:12px}.setup-step>strong{font-size:13px}.setup-step>p{color:var(--muted);margin:5px 0 7px}.setup-step a{align-items:center;gap:7px;min-height:36px;display:inline-flex}.field-label{margin:12px 0 6px;font-size:12px;display:block}.key-input{border:1px solid var(--line);border-radius:8px;display:flex}.key-input:focus-within{border-color:var(--accent)}.key-input input{width:100%;min-width:0;color:var(--text);background:0 0;border:none;outline:none;padding:9px 12px;font-family:ui-monospace,SFMono-Regular,monospace;font-size:13px}.privacy-note{color:var(--muted);gap:7px;margin:14px 0;display:flex;font-size:11px!important}.privacy-note svg{margin-top:2px}.settings-grid{grid-template-columns:repeat(3,1fr);gap:13px;display:grid}.settings-grid label{color:var(--muted);font-size:12px}select{border:1px solid var(--line);width:100%;color:var(--text);background:var(--surface);border-radius:7px;min-height:42px;margin-top:7px;padding:8px;font-size:12px;display:block}.toggle-row{justify-content:space-between;align-items:center;gap:20px;margin:15px 0;display:flex}.toggle-row strong{font-size:12px;font-weight:550}.toggle-row small{color:var(--muted);margin-top:4px;font-size:11px;display:block}.toggle-row input{width:20px;height:20px;accent-color:var(--accent);flex-shrink:0}.settings-section>.button-row{margin-top:15px}.reset-button{margin-top:16px}.fine-print{color:var(--muted);margin-top:23px;font-size:11px;line-height:1.8}.fine-print p+p{margin-top:9px}.confirm-dialog{width:min(430px,100% - 28px);padding-bottom:23px}.confirm-dialog>p{color:var(--muted);margin:20px 0;font-size:13px}.confirm-dialog .button-row{justify-content:flex-end}.empty-state{text-align:center;color:var(--muted);padding:70px 20px}.empty-state h2{color:var(--text);margin:15px 0 8px;font-size:18px;font-weight:550}.empty-state p{font-size:13px}.notice{background:var(--subtle);color:var(--muted);border-radius:9px;margin-top:15px;padding:15px;font-size:12px}.notice .text-button{margin-left:12px}.error-message{color:var(--error);margin-top:12px;font-size:12px}.success-message{color:var(--success);margin-top:12px;font-size:12px}.muted{color:var(--muted)}.small{font-size:11px}.sr-only,.skip-link:not(:focus){clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link:focus{z-index:100;background:var(--surface);padding:10px;position:fixed;top:8px;left:8px}.spin{animation:.9s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@keyframes blink{50%{opacity:0}}@media (width<=900px){.site-header{gap:22px;padding:13px 22px}.nav-button{padding:8px 10px}.header-actions{gap:8px}.today-pill>span{display:none}}@media (width<=640px){.site-header{flex-wrap:wrap;gap:7px 10px;min-height:108px;padding:12px 18px 0}.wordmark{font-size:20px}.brand-symbol{border-radius:9px;width:30px;height:30px}.header-actions{order:1;margin-left:auto}.settings-button>span{display:none}.site-header nav{order:2;justify-content:center;gap:15px;width:100%}.nav-button{min-height:42px;padding:7px 12px;font-size:12px}nav .nav-button{border-radius:7px 7px 0 0}.search-page.home{padding-top:65px;padding-bottom:40px}.search-page,.workspace-page{width:calc(100% - 36px)}.home-heading{margin-bottom:28px}.home-heading h1{letter-spacing:-.4px;font-size:25px}.home-heading p{font-size:13px}.eyebrow{letter-spacing:1.8px;font-size:9px}.search-form{border-radius:17px;gap:10px;min-height:64px;padding:7px 8px 7px 15px}.search-form input{font-size:14px}.search-leading{width:19px}.search-hints{flex-wrap:wrap;gap:9px;padding:11px 1px;font-size:10px}kbd{display:none}.suggestions{justify-content:flex-start;gap:7px;margin-top:16px}.suggestions>span{display:none}.suggestions button{min-height:44px;font-size:10px}.connection-card{grid-template-columns:36px minmax(0,1fr);gap:12px;margin-top:32px;padding:17px;display:grid}.connection-icon{align-self:start;width:36px;height:36px}.connection-card>div:nth-child(2){min-width:0}.connection-card>.button{grid-column:2;justify-self:start;margin-left:0}.connection-card p{font-size:11px}.site-footer{padding:17px 12px;font-size:10px}.site-footer .text-button{font-size:10px}.results-meta{gap:14px;font-size:10px}.answer-panel{margin-top:20px;padding:14px 16px}.answer-text{font-size:14px}.result-title{font-size:18px}.result-snippet{font-size:13px}.with-results{padding-top:23px}.workspace-page{padding:35px 0}.page-heading{margin-bottom:24px}.page-heading p{font-size:12px}.page-toolbar{flex-wrap:wrap;gap:10px}.filter-input{max-width:none}.page-toolbar .button{padding:8px 10px;font-size:11px}.history-row{gap:7px}.history-query{font-size:13px}.history-query span{font-size:10px}.history-query i{margin:0 4px}.history-row>.muted{display:none}.stats-grid{grid-template-columns:repeat(2,1fr)}.stat{border-bottom:1px solid var(--line);padding:20px}.stat:nth-child(2){border-right:0}.stat:nth-child(3){border-bottom:0}.stat strong{font-size:29px}.usage-chart{margin:25px 0;padding:17px}th,td{padding:11px 10px;font-size:10px}.dialog{padding:0 19px}.settings-grid{gap:8px}.settings-grid select{padding:7px 5px;font-size:11px}.dialog .button{padding:8px 12px;font-size:12px}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition:none!important;animation:none!important}}