body{background:var(--st-surface-alt)}button,input,textarea{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}a{color:var(--st-link)}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.skip{position:absolute;left:16px;top:-80px;z-index:1000;background:var(--st-surface);padding:12px}.skip:focus{top:8px}.app-header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px 32px;background:var(--st-surface);border-bottom:1px solid var(--st-border)}.identity{display:flex;align-items:center;gap:12px;text-decoration:none;min-width:0;color:var(--st-text)}.identity img{border-radius:var(--st-radius-md);flex-shrink:0}.identity strong{font-size:18px;display:block}.identity span{display:block;color:var(--st-text-muted);font-size:12px}.account{display:flex;align-items:center;gap:16px;font-size:14px;flex-wrap:wrap}.plain{border:0;background:none;color:var(--st-link);padding:8px 4px;font-size:14px}.workspace{width:min(1240px,calc(100% - 56px));margin:28px auto}.intro{display:flex;justify-content:space-between;align-items:center;gap:24px}.intro h1{font-size:28px;line-height:1.35;margin:0 0 8px;letter-spacing:-.02em}.intro p{color:var(--st-text-2);margin:0}.internal{border-left:3px solid var(--st-accent);padding-left:12px;color:var(--st-text-muted);font-size:13px;white-space:nowrap}.query-form{display:flex;gap:12px;margin-top:24px}.query-form input{flex:1;min-width:0;height:54px;border:1px solid var(--st-border-strong);border-radius:var(--st-radius-sm);padding:0 16px;background:var(--st-surface);font-family:var(--st-mono);font-size:16px}.query-form .st-btn{min-height:54px;white-space:normal}.examples{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:12px 0 24px;font-size:12px;color:var(--st-text-muted)}.examples button{font-family:var(--st-mono);color:var(--st-link);background:transparent;border:0;padding:4px 0;text-decoration:underline;text-underline-offset:4px}.panes{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);border:1px solid var(--st-border);border-top:3px solid var(--st-blue-600);background:var(--st-surface);border-radius:0 0 var(--st-radius-md) var(--st-radius-md)}.result-pane,.chat-pane{min-width:0;min-height:520px}.result-pane{padding:22px 24px}.chat-pane{border-left:1px solid var(--st-border);display:flex;flex-direction:column;max-height:900px}.pane-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.pane-heading h2{font-size:18px;margin:0;line-height:1.5}.chat-pane>.pane-heading{padding:22px 24px;border-bottom:1px solid var(--st-border)}.muted{font-size:13px;color:var(--st-text-muted)}.status{font-size:14px;color:var(--st-text-2);margin:12px 0;overflow-wrap:anywhere}.status.error{color:var(--st-danger)}.empty{padding:72px 24px;text-align:center;max-width:480px;margin:auto}.empty-symbol{font-size:52px;color:var(--st-blue-300)}.empty h3{font-size:20px}.empty p{color:var(--st-text-2);font-size:15px}.empty button{margin-top:16px}.result-overview{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:24px 0 8px}.result-overview h3{font-size:16px;margin:0}.part{font-family:var(--st-mono);overflow-wrap:anywhere;word-break:break-word;font-size:17px;line-height:1.5;margin:0}.result-overview p{font-size:14px;color:var(--st-text-2);margin:8px 0}.candidate{padding:18px 0;border-bottom:1px solid var(--st-border)}.candidate:last-child{border-bottom:0}.candidate-top{display:flex;align-items:start;justify-content:space-between;gap:12px}.match-label{display:inline-flex;align-items:center;gap:8px;font-size:12px;padding:4px 8px;background:var(--st-info-bg);color:var(--st-link)}.candidate .muted{margin:6px 0 12px}.candidate summary{cursor:pointer;padding:12px 0;font-size:14px;color:var(--st-link)}.checks{width:100%;border-collapse:collapse;font-size:13px;table-layout:auto}.checks th,.checks td{padding:10px 6px;border-bottom:1px solid var(--st-border);text-align:left;overflow-wrap:anywhere;vertical-align:top}.checks th{background:var(--st-n-50);font-weight:600}.checks th:first-child{width:30%}.checks td:nth-child(2),.checks td:nth-child(3){font-family:var(--st-mono)}.check-state{display:block;font-size:12px;font-family:var(--st-sans);color:var(--st-text-muted)}.check-state.different,.check-state.worse,.check-state.unknown{color:var(--st-warning-text)}.citation{font-size:12px;border:0;background:none;color:var(--st-link);padding:2px;vertical-align:super;cursor:pointer}.open-checks{background:var(--st-warning-bg);padding:12px 16px;font-size:13px;line-height:1.7;margin:12px 0}.open-checks strong{color:var(--st-warning-text)}.open-checks ul{margin:8px 0;padding-left:18px}.candidate-actions{display:flex;gap:12px;margin-top:12px}.context{margin:16px 24px 0;padding:8px 12px;background:var(--st-info-bg);font-size:12px;overflow-wrap:anywhere;border-left:2px solid var(--st-blue-600)}.messages{flex:1;min-height:220px;max-height:none;overflow-y:auto;padding:24px;overscroll-behavior:contain}.welcome p{font-size:15px;color:var(--st-text-2);margin-top:0}.suggestion{border:1px solid var(--st-border);background:var(--st-surface-alt);padding:12px;border-radius:var(--st-radius-sm);text-align:left;font-size:14px;color:var(--st-link)}.message{margin-bottom:22px;overflow-wrap:anywhere;font-size:14px;line-height:1.8}.message .who{display:block;font-size:12px;margin-bottom:6px;color:var(--st-text-muted);white-space:normal}.message.user{background:var(--st-info-bg);padding:12px 14px;border-radius:var(--st-radius-md)}.chat-form{border-top:1px solid var(--st-border);padding:16px 24px;background:var(--st-surface);margin-top:auto}.chat-form textarea{display:block;width:100%;min-height:72px;max-height:180px;resize:vertical;padding:12px;border:1px solid var(--st-border-strong);border-radius:var(--st-radius-sm);font-size:16px;line-height:1.6;color:var(--st-text)}.compose-actions{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:10px}.compose-actions .st-btn{min-width:88px}.app-footer{display:flex;justify-content:space-between;gap:24px;padding:16px 0;color:var(--st-text-muted);font-size:12px}.app-footer span{max-width:70ch}.mobile-tabs{display:none}dialog{width:min(680px,calc(100vw - 32px));max-height:80dvh;border:1px solid var(--st-border);border-radius:var(--st-radius-md);padding:24px;color:var(--st-text)}dialog::backdrop{background:rgba(8,26,56,.45)}.source{border-top:1px solid var(--st-border);padding:16px 0;font-size:14px;overflow-wrap:anywhere}.source p{margin:8px 0}.source.highlight{background:var(--st-info-bg)}.login-body{min-height:100dvh;display:grid;place-items:center;padding:24px}.login-card{position:relative;max-width:520px;width:100%;background:var(--st-surface);padding:40px;border:1px solid var(--st-border);border-top:4px solid var(--st-blue-600);border-radius:0 0 var(--st-radius-lg) var(--st-radius-lg)}.login-card>img{border-radius:var(--st-radius-lg)}.login-card h1{font-size:28px;margin:12px 0;letter-spacing:-.02em}.login-card>p{font-size:15px;line-height:1.7}.language-login{position:absolute;right:24px;top:24px}.login-features{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0;font-size:13px;color:var(--st-link)}.login-features span{border-left:2px solid var(--st-border);padding-left:10px}.login-card .st-btn{width:100%;margin:8px 0}.login-card .privacy{font-size:12px;color:var(--st-text-muted);border-top:1px solid var(--st-border);padding-top:20px}.audit-form{display:flex;gap:12px;align-items:center;margin:24px 0}.audit-form input{border:1px solid var(--st-border-strong);padding:8px;background:var(--st-surface);min-height:44px}.audit-event{background:var(--st-surface);border-bottom:1px solid var(--st-border);padding:16px;overflow-wrap:anywhere}.audit-event strong{font-size:14px}.audit-event pre{white-space:pre-wrap;font-size:13px;font-family:var(--st-mono)}button:disabled{opacity:.55;cursor:wait}
@media(max-width:1050px){.workspace{width:calc(100% - 40px)}.app-header{padding:16px 20px}.panes{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr)}.result-pane{padding:18px 16px}.chat-pane>.pane-heading,.messages{padding:18px 16px}.chat-form{padding:16px}.internal{display:none}.candidate-top{display:block}.match-label{margin-top:8px}.intro h1{font-size:25px}}
@media(max-width:680px){.app-header{padding:14px 15px;align-items:flex-start;gap:12px;flex-wrap:wrap}.identity strong{font-size:16px}.account{gap:14px;font-size:12px;margin-left:auto}.account #member{max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.workspace{width:calc(100% - 30px);margin:22px auto}.intro h1{font-size:24px}.intro p{font-size:14px}.query-form{gap:8px;flex-wrap:wrap}.query-form input{flex-basis:100%}.query-form .st-btn{width:100%;min-height:44px}.examples{font-size:11px;gap:8px}.mobile-tabs{display:flex;background:var(--st-surface);border:1px solid var(--st-border);border-bottom:0}.mobile-tabs button{flex:1;background:none;border:0;border-bottom:3px solid transparent;padding:14px;color:var(--st-text-muted);font-size:15px}.mobile-tabs button[aria-selected=true]{color:var(--st-link);border-color:var(--st-blue-600);font-weight:600}.panes{display:block;border-top:1px solid var(--st-border)}.panes[data-active=result] .chat-pane,.panes[data-active=chat] .result-pane{display:none}.chat-pane{border:0;min-height:65dvh;max-height:none}.messages{max-height:45dvh;min-height:230px}.chat-form{padding-bottom:max(16px,env(safe-area-inset-bottom))}.result-pane{min-height:400px}.empty{padding:40px 0}.empty h3{font-size:18px}.candidate-top{display:block}.checks{font-size:12px}.checks th,.checks td{padding:8px 3px}.app-footer{flex-direction:column;gap:8px}.login-card{padding:28px 24px}.login-card h1{font-size:25px}.login-body{padding:15px}.audit-form{flex-wrap:wrap}.source{font-size:13px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}

/* The reference part leads the result, before any substitution candidates. */
.identification{border:1px solid var(--st-border);border-radius:var(--st-radius-md);padding:20px;background:var(--st-surface-alt)}
.identified-top{display:flex;align-items:center;gap:18px}.identified-heading{min-width:0}.manufacturer{font-size:21px;line-height:1.35;margin:4px 0 8px}.recognition{font-size:12px;font-weight:600;color:var(--st-success-text)}.recognition.uncertain{color:var(--st-warning-text)}
.brand-logo{flex:0 0 112px;background:var(--st-surface);padding:12px;border:1px solid var(--st-border);border-radius:var(--st-radius-sm)}.brand-logo.symbol{flex-basis:80px}.brand-logo img{display:block;width:100%;height:56px;object-fit:contain}
.identified-facts{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:14px 0 0}.identified-facts dt,.key-ratings dt{font-size:12px;color:var(--st-text-muted);margin-bottom:4px}.identified-facts dd{font-size:15px;font-weight:600;margin:0;overflow-wrap:anywhere}.identified-facts>.citation{justify-self:start}
.key-ratings{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin:16px 0 0;border-top:1px solid var(--st-border)}.key-ratings>div{padding:12px 8px 4px 0}.key-ratings dd{font-size:15px;margin:0;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.key-ratings .citation{font-family:var(--st-sans)}
.code-breakdown{margin-top:16px;border-top:1px solid var(--st-border)}.code-breakdown summary{padding:12px 0;cursor:pointer;font-size:14px;color:var(--st-link);min-height:44px}.code-segments{margin:0}.code-segments>div{display:grid;grid-template-columns:70px minmax(0,1fr);gap:14px;padding:10px 0;border-top:1px solid var(--st-border)}.code-segments dt{font-size:14px}.code-segments dd{margin:0;font-size:14px;overflow-wrap:anywhere}.code-segments dd>.muted{display:block;font-size:12px}.code-segments dd>span:not(.muted){white-space:pre-wrap}
.identification-note{font-size:14px;color:var(--st-warning-text);margin-bottom:8px}.brand-choices{display:flex;flex-wrap:wrap;gap:8px}.identify-ask{padding:8px 0;min-height:44px}.unrecognized h3{font-size:18px;margin:0 0 12px}.unrecognized .muted{font-size:14px;line-height:1.7}
.match-meter{display:inline-flex;gap:2px;flex-shrink:0}.match-meter i{width:4px;height:10px;background:var(--st-border-strong)}.match-meter .on{background:var(--st-blue-600)}
.comparison-scroll{max-width:100%;overflow-x:auto;overscroll-behavior-x:contain}.checks{min-width:420px}.checks td:nth-child(2),.checks td:nth-child(3){font-variant-numeric:tabular-nums}.candidate-actions .plain{min-height:44px}.candidate summary{min-height:44px}
/* A single composer, with one-click follow-up questions next to the current part. */
.chat-pane{height:clamp(520px,calc(100dvh - 360px),820px);max-height:none;align-self:start;position:sticky;top:16px}.quick-questions{display:flex;flex-wrap:wrap;gap:6px;padding:12px 24px 0}.quick-questions .suggestion{font-size:12px;min-height:36px;padding:7px 10px}.suggestion:hover:not(:disabled){background:var(--st-blue-100)}.messages{scrollbar-gutter:stable}.welcome{padding:28px 0}.welcome p{max-width:36ch;line-height:1.85}.message .who{font-size:12px;font-weight:600}.message.user{margin-left:20px}.message.user .message-body{white-space:pre-wrap}.message.assistant{margin-right:0}.message-body{min-width:0}.message-body.pending{color:var(--st-text-muted)}.chat-status{padding:0 24px 12px;font-size:13px;line-height:1.5;color:var(--st-text-muted)}.chat-status:empty{display:none}.chat-status.error{color:var(--st-danger)}.chat-form{padding-top:14px;padding-bottom:14px}.compose-actions{min-height:40px}#compose-hint{font-size:11px}
/* Semantic Markdown tables stay tables on phones, inside a keyboard-scrollable region. */
.reply-markdown{white-space:normal;line-height:1.85;overflow-wrap:anywhere}.reply-markdown>:first-child{margin-top:0}.reply-markdown>:last-child{margin-bottom:0}.reply-markdown p{margin:0 0 12px;white-space:pre-wrap}.reply-markdown h3{font-size:16px;line-height:1.5;margin:20px 0 10px}.reply-markdown ul,.reply-markdown ol{padding-left:22px;margin:10px 0 16px}.reply-markdown li{padding-left:2px;margin:4px 0}.reply-markdown li>p{margin-bottom:4px}.reply-markdown blockquote{margin:12px 0;padding:8px 14px;border-left:3px solid var(--st-blue-300);background:var(--st-surface-alt);color:var(--st-text-2)}.reply-markdown code{font-family:var(--st-mono);font-size:.9em;background:var(--st-n-100);padding:1px 4px;border-radius:2px}.reply-markdown pre{max-width:100%;overflow-x:auto;white-space:pre;padding:14px;background:var(--st-n-50);border:1px solid var(--st-border);border-radius:var(--st-radius-sm);line-height:1.6}.reply-markdown pre code{padding:0;background:none}.reply-markdown hr{border:0;border-top:1px solid var(--st-border);margin:20px 0}.reply-table-wrap{max-width:100%;overflow-x:auto;overscroll-behavior-x:contain;border:1px solid var(--st-border);border-radius:var(--st-radius-sm);margin:14px 0 18px}.reply-table-wrap table{border-collapse:collapse;width:100%;min-width:420px;font-size:13px;font-variant-numeric:tabular-nums;line-height:1.65}.reply-table-wrap th,.reply-table-wrap td{padding:11px 12px;border-bottom:1px solid var(--st-border);min-width:104px;max-width:300px;vertical-align:top;white-space:normal;overflow-wrap:break-word}.reply-table-wrap th{font-weight:600;background:var(--st-n-50);color:var(--st-text);text-transform:none}.reply-table-wrap tr:last-child td{border-bottom:0}.reply-table-wrap tbody tr:hover{background:var(--st-blue-50)}.reply-table-wrap .align-left{text-align:left}.reply-table-wrap .align-center{text-align:center}.reply-table-wrap .align-right{text-align:right}
@media(max-width:1050px){.key-ratings{grid-template-columns:1fr 1fr}.identified-top{gap:12px}.identification{padding:16px}.brand-logo{flex-basis:90px}.brand-logo.symbol{flex-basis:64px;padding:8px}.brand-logo img{height:48px}.manufacturer{font-size:19px}.quick-questions{padding-inline:16px}.chat-status{padding-inline:16px}.identified-facts{grid-template-columns:1fr}.candidate-top .part{font-size:15px}}
@media(max-width:680px){.query-form{flex-wrap:nowrap}.query-form input{flex-basis:0;height:48px;font-size:14px;padding-inline:12px}.query-form .st-btn{width:88px;min-height:48px;padding-inline:8px;flex-shrink:0}.identified-facts{grid-template-columns:1fr 1fr}.brand-logo.symbol{flex-basis:70px}.chat-pane{position:static;height:76dvh;min-height:540px;max-height:none}.messages{min-height:180px;max-height:none;padding:18px 14px}.quick-questions{padding-inline:14px}.quick-questions .suggestion{min-height:44px;font-size:13px}.context{margin-inline:14px}.chat-form{padding:12px 14px max(12px,env(safe-area-inset-bottom))}.chat-form textarea{min-height:68px}.chat-status{padding-inline:14px}.reply-table-wrap th,.reply-table-wrap td{padding:10px}.identified-heading .part{font-size:15px}.identification .plain{min-height:44px}.candidate-actions{gap:16px}.account .plain{min-height:44px}.empty-symbol{font-size:40px}}
@media(pointer:coarse){#compose-hint{display:none}.compose-actions{justify-content:flex-end}}