.lf .brain-marker,.brain-provenance-panel.lf .brain-marker{width:32px;min-width:32px;height:32px;min-height:32px;color:var(--ink,#1d1d1f);vertical-align:middle;background:0 0;border:none;border-radius:8px;place-items:center;padding:0;display:inline-grid;position:relative}.lf .brain-marker.tone-workspace,.brain-provenance-panel.lf .brain-marker.tone-workspace{color:var(--accent-ink,#8a6a4b)}.lf .brain-marker.tone-unknown,.brain-provenance-panel.lf .brain-marker.tone-unknown{color:var(--lf-muted,#6e6e73)}.lf .brain-marker:hover,.lf .brain-marker:focus-visible,.brain-provenance-panel.lf .brain-marker:hover,.brain-provenance-panel.lf .brain-marker:focus-visible{background:var(--fill,#f5f5f7);outline:2px solid var(--line,#e6e6ea);outline-offset:2px}.brain-marker-tip{z-index:2147483000;background:var(--ink,#1d1d1f);color:#fff;text-align:left;pointer-events:none;border:0;border-radius:10px;width:max-content;max-width:min(260px,100vw - 32px);margin:0;padding:8px 10px;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Inter,sans-serif;font-size:12px;font-weight:400;line-height:1.35;position:fixed;inset:auto;overflow:visible;transform:translate(-50%);box-shadow:0 8px 24px #0000002e}.brain-marker-tip[data-above="1"]{transform:translate(-50%,-100%)}@media (width<=640px){.lf .brain-marker,.brain-provenance-panel.lf .brain-marker{width:44px;min-width:44px;height:44px;min-height:44px}.lf .brain-marker svg,.brain-provenance-panel.lf .brain-marker svg{width:18px;height:18px}}.brain-provenance-demo-wrap{background:#fff;min-height:100vh}.brain-provenance-demo .demo-acts{flex-wrap:wrap;gap:10px;margin-top:16px;display:flex}.brain-provenance-demo .demo-acts .btn.q{min-height:44px;padding:0 16px}.brain-provenance-demo{max-width:720px;margin:0 auto;padding:24px}.brain-provenance-panel.lf{color:var(--ink,#1d1d1f);background:#fff;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Inter,sans-serif;font-size:15px;line-height:1.47}.brain-provenance-panel--shell.lf{color:var(--ink,#1d1d1f);box-sizing:border-box;background:#fff;border:0;flex-direction:column;max-width:none;height:auto;min-height:0;max-height:calc(100dvh - 32px);margin:0;padding:0;transition:none;animation:none;display:flex;position:fixed;overflow:hidden}.brain-provenance-panel--shell.lf:not([open]){display:none}.brain-provenance-panel--shell.lf::backdrop{background:#0000008c}.brain-provenance-panel--shell.lf[data-narrow="0"]{border-radius:14px;width:min(560px,100vw - 32px);max-height:min(100dvh - 32px,100vh - 32px);inset:16px auto auto 50%;transform:translate(-50%);box-shadow:0 24px 64px #00000038}.brain-provenance-panel--shell.lf[data-narrow="1"]{border-radius:16px 16px 0 0;width:100%;max-height:92dvh;inset:auto 0 0;transform:none;box-shadow:0 -8px 32px #00000029}@media (prefers-reduced-motion:reduce){.brain-provenance-panel--shell.lf{transition:none!important;animation:none!important}}.brain-provenance-header{text-align:left;flex-shrink:0;padding:16px 20px 0}.brain-provenance-title{align-items:center;margin:0;font-size:18px;font-weight:500;display:flex}.brain-provenance-panel.lf .panel-lead{margin:10px 0 0}.brain-provenance-panel.lf .source-section{margin-top:4px}.brain-provenance-panel.lf .source-section h3{margin-top:8px}.brain-provenance-panel.lf .source-details-empty{margin:0 0 8px}.brain-provenance-panel.lf .rule-list .rule-scope-line{color:var(--ink);margin:0 0 4px;font-weight:500}.brain-provenance-panel.lf .body{text-align:left;flex:auto;align-content:start;gap:14px;min-height:0;padding:0 20px 16px;display:grid;overflow:auto}.brain-provenance-panel.lf .fixture-banner{background:var(--fill);color:var(--ink);border-radius:10px;margin:0;padding:10px 12px;font-size:13px;font-weight:500}.brain-provenance-panel.lf .fixture-banner-header{flex-shrink:0;margin-top:12px}.brain-provenance-panel.lf section h3{letter-spacing:.06em;text-transform:uppercase;color:var(--lf-muted);margin:0 0 6px;font-size:11px;font-weight:500}.brain-provenance-panel.lf .meta,.brain-provenance-panel.lf .limit,.brain-provenance-panel.lf .hint,.brain-provenance-panel.lf .sub{color:var(--lf-muted);margin:0;font-size:13px}.brain-provenance-panel.lf .footer{padding:14px 20px calc(16px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--line);background:var(--fill);flex-wrap:wrap;flex-shrink:0;gap:10px;display:flex}.brain-provenance-panel.lf .footer.footer-composer{z-index:2;position:sticky;bottom:0;box-shadow:0 -6px 16px #0000000f}.brain-provenance-panel.lf .footer .btn.primary{background:var(--ink);color:#fff}.brain-provenance-panel.lf .footer .btn.primary:hover{background:#333}.brain-provenance-panel.lf .footer .btn.primary:disabled{opacity:.45;cursor:not-allowed}.brain-provenance-panel.lf .footer .btn,.brain-provenance-panel.lf .acts .btn{background:var(--fill2);min-width:24px;min-height:36px;color:var(--ink);cursor:pointer;border:none;border-radius:999px;justify-content:center;align-items:center;padding:0 16px;font-size:14px;font-weight:500;display:inline-flex}.brain-provenance-panel.lf .footer .btn:hover,.brain-provenance-panel.lf .acts .btn:hover{background:var(--line)}.brain-provenance-panel.lf .brain-pencil{min-width:44px;min-height:44px;color:var(--lf-muted);vertical-align:middle;cursor:pointer;background:0 0;border:none;border-radius:8px;place-items:center;margin-left:8px;padding:0;font-size:18px;display:inline-grid}.brain-provenance-panel.lf .brain-pencil:hover,.brain-provenance-panel.lf .brain-pencil:focus-visible{background:var(--fill);outline:2px solid var(--line);outline-offset:2px}.brain-provenance-panel.lf textarea,.brain-provenance-panel.lf select{border:1px solid var(--line);width:100%;font:inherit;border-radius:12px;margin-top:6px;padding:10px 12px}.brain-provenance-panel.lf .acts{flex-wrap:wrap;align-items:center;gap:12px 16px;margin-top:10px;display:flex}.brain-provenance-panel.lf .acts .check-row{cursor:pointer;align-items:center;gap:10px;min-width:44px;min-height:44px;padding:4px 8px 4px 0;font-size:14px;display:inline-flex}.brain-provenance-panel.lf .acts input[type=checkbox]{flex-shrink:0;width:24px;min-width:24px;height:24px;min-height:24px;margin:0}.brain-provenance-panel.lf .brain-provenance-details summary{cursor:pointer;align-items:center;min-height:44px;padding:6px 0;font-size:14px;font-weight:500;list-style:none;display:flex}.brain-provenance-panel.lf .brain-provenance-details summary::-webkit-details-marker{display:none}.brain-provenance-panel.lf .brain-source-details{gap:8px;margin:8px 0 0;display:grid}.brain-provenance-panel.lf .brain-source-details-row{grid-template-columns:minmax(120px,38%) 1fr;gap:8px 12px;font-size:13px;display:grid}.brain-provenance-panel.lf .brain-source-details-row dt{color:var(--lf-muted);margin:0}.brain-provenance-panel.lf .brain-source-details-row dd{color:var(--ink);margin:0}.brain-provenance-panel.lf ul.plain{margin:0;padding-left:18px}.brain-provenance-panel.lf ul.plain li{margin:4px 0;font-size:14px}.brain-provenance-panel.lf pre{white-space:pre-wrap;background:var(--fill);border-radius:10px;max-height:160px;padding:10px;font-size:12px;overflow:auto}@media (width>=641px){.brain-provenance-panel.lf .brain-provenance-details summary{min-height:24px;padding:4px 0}}@media (width<=640px){.brain-provenance-panel.lf .footer .btn,.brain-provenance-panel.lf .acts .btn{flex:auto;min-height:44px}.brain-provenance-panel.lf select{min-height:44px;padding-top:10px;padding-bottom:10px}.brain-provenance-panel.lf .acts input[type=checkbox]{width:28px;min-width:28px;height:28px;min-height:28px}}.brain-provenance-panel.lf .brain-source{color:var(--lf-muted,#6e6e73);align-items:center;gap:8px;margin:6px 0 0;font-size:13px;display:flex}.brain-provenance-panel.lf .brain-source .dot{border:1.6px solid;border-radius:50%;flex:none;width:10px;height:10px}.brain-provenance-panel.lf .brain-source.tone-main .dot{color:var(--ink,#1d1d1f)}.brain-provenance-panel.lf .brain-source.tone-workspace .dot{color:var(--accent-ink,#8a6a4b)}.brain-provenance-panel.lf .brain-source.tone-unknown .dot{color:var(--faint,#aeaeb2)}.brain-provenance-panel.lf .brain-summary{margin:0;font-size:16px;line-height:1.4}.brain-provenance-panel.lf .brain-summary strong{font-weight:600}.brain-provenance-panel.lf .brain-state{background:var(--fill,#f5f5f7);color:var(--ink,#1d1d1f);border-radius:999px;margin:8px 0 0;padding:4px 10px;font-size:13px;display:inline-block}.brain-provenance-panel.lf .brain-state.state-awaiting_owner{background:var(--accent-soft,#f6efe7);color:var(--accent-ink,#8a6a4b)}.brain-provenance-panel.lf .body>section+section{border-top:1px solid var(--line,#e6e6ea);padding-top:12px}.brain-provenance-panel.lf .brain-done{background:var(--accent-soft,#f6efe7);color:var(--ink,#1d1d1f);border-radius:10px;margin:0 0 14px;padding:10px 12px;font-size:14px}.brain-provenance-panel.lf .brain-instructions-text{white-space:pre-wrap;color:var(--ink2,#3a3a3c);max-height:240px;margin:8px 0 0;font-size:14px;overflow:auto}.brain-provenance-panel.lf .brain-correct .field{gap:6px;margin:0 0 14px;font-size:14px;display:grid}.brain-provenance-panel.lf .brain-correct textarea{width:100%;font:inherit;border:1px solid var(--line,#e6e6ea);resize:vertical;background:#fff;border-radius:10px;padding:10px 12px;font-size:16px;line-height:1.4}.brain-provenance-panel.lf .brain-correct textarea:focus-visible{outline:2px solid var(--ink,#1d1d1f);outline-offset:1px}.brain-provenance-panel.lf .brain-scope{border:0;gap:8px;margin:0 0 14px;padding:0;display:grid}.brain-provenance-panel.lf .brain-scope legend{margin-bottom:6px;padding:0;font-size:14px}.brain-provenance-panel.lf .brain-scope .choice{border:1px solid var(--line,#e6e6ea);cursor:pointer;border-radius:10px;align-items:flex-start;gap:10px;min-height:44px;padding:10px 12px;display:flex}.brain-provenance-panel.lf .brain-scope .choice:has(input:checked){border-color:var(--ink,#1d1d1f)}.brain-provenance-panel.lf .brain-scope .choice:has(input:disabled){opacity:.55;cursor:default}.brain-provenance-panel.lf .brain-scope .choice input{flex:none;width:18px;height:18px;margin-top:3px}.brain-provenance-panel.lf .brain-scope .choice small{color:var(--lf-muted,#6e6e73);margin-top:2px;font-size:13px;display:block}.brain-provenance-panel.lf .brain-rule-review{background:var(--fill,#f5f5f7);border-radius:12px;margin:0 0 14px;padding:12px}.brain-provenance-panel.lf .brain-rule-facts{gap:6px;margin:10px 0 0;font-size:13px;display:grid}.brain-provenance-panel.lf .brain-rule-facts div{grid-template-columns:76px 1fr;gap:8px;display:grid}.brain-provenance-panel.lf .brain-rule-facts dt{color:var(--lf-muted,#6e6e73)}.brain-provenance-panel.lf .brain-rule-facts dd{margin:0}.brain-provenance-panel.lf .brain-corrections li{margin:0 0 10px}.brain-provenance-panel.lf .brain-corrections li p{margin:0 0 4px}.brain-provenance-panel.lf .brain-spinner{border:1.6px solid var(--line,#e6e6ea);border-top-color:var(--ink,#1d1d1f);vertical-align:-1px;border-radius:50%;width:10px;height:10px;margin-right:6px;animation:.9s linear infinite brain-spin;display:inline-block}@keyframes brain-spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){.brain-provenance-panel.lf .brain-spinner{animation:none}}.brain-provenance-panel.lf input[type=radio],.brain-provenance-panel.lf input[type=checkbox]{accent-color:var(--ink,#1d1d1f)}