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.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.portal-split-link small{font-family:Arial,'PingFang SC','Microsoft YaHei',sans-serif;font-size:14px;font-weight:400;line-height:1.85;letter-spacing:.5px;color:var(--muted-foreground);margin-top:12px;max-width:220px}
.portal-split-link:focus-visible{outline:2px solid var(--ring);outline-offset:-4px}
.system-header{position:relative}.global-search{flex:1 1 320px;min-width:240px;max-width:480px}.global-search-form{display:flex;align-items:center;gap:4px;width:100%;min-height:44px;padding:3px;border:1px solid var(--border);border-radius:9px;background:var(--card)}
.global-search-form:focus-within{border-color:var(--theme-accent);box-shadow:0 0 0 2px color-mix(in srgb,var(--theme-accent) 18%,transparent)}
.global-search-form input{flex:1 1 auto;min-width:0;min-height:36px;padding:6px 10px;border:0;outline:0;background:transparent;color:var(--foreground);font:14px/1.4 Arial,'PingFang SC','Microsoft YaHei',sans-serif}
.global-search-form input:focus-visible{outline:0}.global-search-form input::placeholder{color:var(--muted-foreground)}
.global-search-form button,.global-search-toggle{min-height:36px;border:0;border-radius:6px;padding:6px 10px;white-space:nowrap;cursor:pointer;font:600 13px/1.3 Arial,'PingFang SC','Microsoft YaHei',sans-serif}
.global-search-submit{background:var(--theme-accent);color:var(--background)}.global-search-ask{background:var(--secondary);color:var(--foreground)}
.global-search-form button:hover,.global-search-toggle:hover{filter:brightness(1.1)}.global-search-toggle{display:none}
.search-form{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.search-form input{flex:1 1 240px;min-width:0}.search-form button{min-height:44px}.search-ask{color:var(--foreground)}
.nova-source-context{margin:0 0 16px;padding:14px;border:1px solid var(--border);border-radius:8px;color:var(--muted-foreground);font-size:13px;line-height:1.6}.nova-source-context strong{display:block;color:var(--foreground);margin-bottom:5px}.nova-source-context a{color:var(--theme-accent)}
.ai-memory-settings,.ai-memory-item{max-width:760px;margin-bottom:16px}.ai-memory-settings form,.ai-memory-item form{margin-top:12px}.ai-memory-item textarea{min-height:76px}.ai-memory-item small{color:var(--muted-foreground)}
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.nova-assistant{flex-direction:column;align-items:flex-start;min-width:0}.nova-assistant>.ai-source-cards{width:100%;margin-top:8px}.nova-assistant>.nova-bubble{max-width:min(100%,620px)}
@media(max-width:1000px){.global-search{flex-basis:260px}.global-search-form button{padding-inline:7px;font-size:12px}}
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@media(max-width:420px){.system-brand{width:100%}.utility-controls{order:2;width:100%;justify-content:space-between}.global-search{order:3}.global-search-form{flex-wrap:wrap}.global-search-form input{flex:1 0 100%;min-height:44px}.global-search-form button{flex:1 1 calc(50% - 3px);min-height:44px}}
@media(max-width:760px){.system-header>.system-brand{display:none}.utility-controls{order:1;width:100%}.global-search{order:2}.global-search-toggle{min-height:44px}.system-header{gap:8px}}
.unified-search{margin:18px 0}.unified-search-messages{display:grid;gap:8px}.unified-search [data-ai-followup]{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.unified-search [data-ai-followup] input{flex:1 1 240px;min-height:44px;min-width:0}.unified-search [data-ai-followup] button{min-height:44px}.unified-search [hidden]{display:none!important}.search-related{margin:18px 0}.search-related .small{white-space:pre-line}.search-classic{margin-top:22px}
.system-header>.system-brand{order:0}.system-header>.utility-controls{order:1;margin-left:auto}.global-search-compact{order:2;flex:0 0 44px;min-width:44px;max-width:44px;position:static}.global-search-compact .global-search-toggle{display:flex;width:44px;min-width:44px;height:44px;min-height:44px;padding:0 10px;border:1px solid transparent;border-radius:5px;background:transparent;color:var(--foreground);text-align:left}.global-search-compact .global-search-toggle:hover,.global-search-compact .global-search-toggle:focus-visible{width:105px;background:var(--secondary);border-color:var(--border);color:var(--theme-accent)}.global-search-panel{position:absolute;right:0;top:calc(100% + 6px);z-index:60;width:min(520px,calc(100vw - 28px));padding:8px;border:1px solid var(--border);border-radius:9px;background:var(--popover);box-shadow:0 18px 35px #0003}.global-search-panel[hidden]{display:none!important}.global-search-panel .global-search-form{display:flex;position:static;width:100%;box-shadow:none}.global-search-panel .global-search-close{min-width:40px;font-size:20px;background:var(--secondary);color:var(--foreground)}.global-search-panel .global-search-close:focus-visible{outline:2px solid var(--theme-accent);outline-offset:2px}body[data-page-path="/"] .global-search-home{order:1}body[data-page-path="/"] .system-header>.utility-controls{order:2}
@media(max-width:760px){.global-search-home{flex:1 0 100%;max-width:none;min-width:0}.global-search-home .global-search-form{display:flex;position:static;width:100%;box-shadow:none}.global-search-compact .global-search-toggle:hover,.global-search-compact .global-search-toggle:focus-visible{width:44px}.utility-controls .utility-button:hover,.utility-controls .utility-button:focus-visible{width:38px}.utility-controls .utility-button:hover .utility-label,.utility-controls .utility-button:focus-visible .utility-label,.global-search-compact .global-search-toggle .utility-label{display:none}.system-header>.utility-controls{width:auto;flex:1 1 auto;justify-content:flex-end}body[data-page-path="/"] .system-header>.utility-controls{width:100%;flex:1 0 100%}body[data-page-path="/"] .global-search-home{order:2}.global-search-panel{left:0;right:0;width:100%}}
@media(max-width:420px){.system-header{margin-inline:14px}.global-search-home .global-search-form input{flex:1 0 100%}.global-search-panel .global-search-form{flex-wrap:wrap}.global-search-panel .global-search-form input{flex:1 0 100%}.global-search-panel .global-search-form button{flex:1 1 calc(50% - 4px)}}
.global-search-compact .global-search-toggle::before{content:none;display:none}
.global-search-compact .global-search-toggle:hover,.global-search-compact .global-search-toggle:focus-visible{width:44px}.global-search-compact .global-search-toggle .utility-label{display:none}
@media(max-width:340px){.global-search-compact{margin-left:auto}}
.ai-source-dialog{width:min(480px,calc(100vw - 24px));max-height:min(75svh,620px);padding:22px;border:1px solid var(--border);border-radius:12px;background:var(--popover);color:var(--foreground);box-shadow:0 22px 70px #0008;overflow:auto}.ai-source-dialog::backdrop{background:#05080db8}.ai-source-dialog-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.ai-source-dialog-head h2{margin:0;font-size:19px}.ai-source-dialog-head button{min-height:44px;min-width:56px}.ai-source-dialog>p{line-height:1.6;color:var(--muted-foreground)}.ai-source-dialog .ai-source-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}.ai-source-dialog .ai-source-card{max-width:none}.ai-source-dialog:focus-visible,.ai-source-dialog button:focus-visible{outline:2px solid var(--theme-accent);outline-offset:2px}
@media(max-width:340px){.system-header>.utility-controls{width:100%;flex:1 0 100%}.global-search-compact{order:2;flex:1 0 100%;max-width:none;margin-left:0}.global-search-compact .global-search-toggle{width:100%;justify-content:center;border-color:var(--border);background:var(--card)}.global-search-compact .global-search-toggle:hover,.global-search-compact .global-search-toggle:focus-visible{width:100%}}