:root{--stf-regrind: #408a61;--stf-pellet: #3dab6b;--stf-bioblend: #57bd80;--stf-pet: #57abb2;--stf-ocean: #368f8f;--stf-metal: #6f6f6e;--stf-platinum: #f2f2f2;--stf-ink: #1c1c1c;--stf-line: #e4e4e4;--stf-font: "Montserrat", system-ui, sans-serif;--rail: 64px;--nav: 300px;--inspector: 300px;--bar: 56px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--stf-font);font-weight:400;color:var(--stf-ink);background:var(--stf-platinum)}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}.app{height:100%;display:grid;grid-template-rows:var(--bar) 1fr}.bar{display:flex;align-items:center;gap:12px;padding:0 16px 0 12px;background:#fff;border-bottom:1px solid var(--stf-line)}.bar-logo{height:36px;width:auto;display:block}.bar-claim{color:var(--stf-metal);font-weight:300;font-size:12px}.bar-spacer{flex:1}.bar-user{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--stf-ink)}.icon-btn{position:relative;display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;padding:0;background:transparent;border:1px solid transparent;color:var(--stf-metal)}.icon-btn:hover{color:var(--stf-ink);background:var(--stf-platinum)}.icon-btn .dot{position:absolute;top:4px;right:4px;min-width:16px;height:16px;padding:0 4px;border-radius:8px;background:var(--stf-ocean);color:#fff;font-size:10px;font-weight:600;display:inline-flex;align-items:center;justify-content:center}.lang{display:flex;border:1px solid var(--stf-line)}.lang button{background:#fff;border:0;padding:5px 9px;font-size:12px;color:var(--stf-metal)}.lang button.active{background:var(--stf-regrind);color:#fff}.ghost,.primary,.danger{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:8px 14px;font-size:13px}.ghost{background:#fff;border:1px solid var(--stf-line)}.ghost:hover{border-color:var(--stf-metal)}.primary{background:var(--stf-regrind);color:#fff;border:0}.primary:disabled,.ghost:disabled{opacity:.5;cursor:default}.danger{background:transparent;border:1px solid #b45555;color:#8a3030}.icon-only{width:36px;height:36px;padding:0}.workspace{display:grid;grid-template-columns:var(--rail) var(--nav) 1fr var(--inspector);min-height:0}.rail{background:#fff;border-right:1px solid var(--stf-line);display:flex;flex-direction:column;align-items:center;padding:10px 0;gap:4px}.rail button{position:relative;width:44px;height:44px;background:transparent;border:0;color:var(--stf-metal);display:inline-flex;align-items:center;justify-content:center}.rail button:hover{color:var(--stf-ink);background:var(--stf-platinum)}.rail button.active{color:var(--stf-regrind);background:#eef6f1}.rail .dot{position:absolute;top:6px;right:6px;min-width:16px;height:16px;padding:0 4px;border-radius:8px;background:var(--stf-ocean);color:#fff;font-size:10px;font-weight:600;display:inline-flex;align-items:center;justify-content:center}.list{background:#fff;border-right:1px solid var(--stf-line);display:flex;flex-direction:column;min-height:0}.list-head{padding:16px 16px 12px;display:flex;align-items:center;justify-content:space-between;gap:8px}.list-head h2{margin:0;display:inline-flex;align-items:center;gap:8px;font-size:16px;font-weight:400}.list-items{overflow:auto;flex:1}.row{display:flex;align-items:flex-start;gap:10px;width:100%;text-align:left;background:transparent;border:0;border-bottom:1px solid var(--stf-line);padding:12px 16px}.row:hover{background:var(--stf-platinum)}.row.active{background:#eef6f1;box-shadow:inset 3px 0 0 var(--stf-regrind)}.row-icon{color:var(--stf-metal);flex:0 0 auto;margin-top:2px}.row.active .row-icon{color:var(--stf-regrind)}.row-text{min-width:0}.row-title{display:block;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.row-meta{display:block;margin-top:4px;color:var(--stf-metal);font-size:12px}.stage{min-width:0;min-height:0;overflow:hidden;display:flex;flex-direction:column;background:var(--stf-platinum)}.stage-scroll{flex:1 1 0;min-height:0;overflow:auto;padding:28px 32px}.stage-scroll.chat{overflow-anchor:none}.stage-empty{flex:1;display:flex;align-items:center;justify-content:center;padding:32px}.empty-card{width:min(28rem,100%);background:#fff;border:1px solid var(--stf-line);padding:32px 28px}.empty-card .mark{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;color:var(--stf-regrind);background:#eef6f1;margin-bottom:16px}.empty-card h1{margin:0 0 8px;font-size:20px;font-weight:400}.empty-card p{margin:0 0 20px;color:var(--stf-metal);line-height:1.5}.empty-card .actions{margin-top:0}.chat-body{flex:1;min-height:0;display:flex;flex-direction:column;position:relative}.chat-body.drop-active{outline:2px dashed var(--stf-ocean);outline-offset:-8px}.chat-drop-hint{position:absolute;inset:12px;display:flex;align-items:center;justify-content:center;pointer-events:none;background:color-mix(in srgb,#fff 82%,var(--stf-ocean));border:2px dashed var(--stf-ocean);color:var(--stf-ocean);font-weight:600;z-index:4}.attach-chips{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:10px 24px 0;list-style:none;background:#fff;border-top:1px solid var(--stf-line)}.attach-chip{display:inline-flex;align-items:center;gap:8px;max-width:100%;padding:4px 6px 4px 8px;border:1px solid var(--stf-line);background:var(--stf-platinum);font-size:12px}.attach-chip.uploading{color:var(--stf-metal)}.attach-chip.error{border-color:#c9a0a0}.attach-chip img{width:28px;height:28px;object-fit:contain;background:#fff}.attach-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:220px}.attach-meta{color:var(--stf-metal)}.composer{display:flex;align-items:flex-end;gap:8px;padding:12px 24px 16px;background:#fff;border-top:1px solid var(--stf-line)}.attach-chips+.composer{border-top:0;padding-top:8px}.msg-queue{background:#fff;border-top:1px solid var(--stf-line);padding:10px 24px 8px}.msg-queue+.attach-chips,.msg-queue+.composer{border-top:0}.msg-queue-label{margin:0 0 6px;font-size:11px;letter-spacing:.04em;text-transform:uppercase;color:var(--stf-metal)}.msg-queue ul{display:flex;flex-direction:column;gap:6px;margin:0;padding:0;list-style:none}.msg-queue-item{display:flex;align-items:flex-start;gap:8px;padding:8px 8px 8px 4px;border:1px solid var(--stf-line);background:#f7f8f8}.msg-queue-item.dragging{opacity:.45}.msg-queue-grip{display:flex;align-items:center;color:var(--stf-metal);cursor:grab;padding-top:2px;-webkit-user-select:none;user-select:none}.msg-queue-body{flex:1;min-width:0}.msg-queue-body p{margin:0;font-size:13px;line-height:1.4;white-space:pre-wrap;word-break:break-word}.msg-queue-files{display:block;margin-top:2px;font-size:11px;color:var(--stf-metal)}.msg-queue-actions{display:flex;align-items:center;gap:2px;flex-shrink:0}.msg-queue-actions .ghost{height:24px;padding:0 8px;font-size:11px}.msg-queue-actions .icon-btn:disabled{opacity:.35;cursor:default}.composer textarea{flex:1;min-height:48px;max-height:160px;resize:vertical;border:1px solid var(--stf-line);padding:10px 12px;background:#fff}.chat{padding-bottom:28px}.msg{max-width:min(44rem,85%);margin:0 0 12px;padding:12px 14px;background:#fff;border:1px solid var(--stf-line)}.msg.user{margin-left:auto;border-left:0;border-right:3px solid var(--stf-ocean);background:#f3f8f8}.file-node{max-width:min(44rem,85%);margin:0 0 12px}.file-node.user{margin-left:auto}.file-thumbs{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}.file-node.user .file-thumbs{justify-content:flex-end}.file-chip{display:inline-flex;align-items:center;gap:8px;max-width:100%;padding:0;border:0;background:transparent;vertical-align:middle;text-align:left}.file-thumb{display:flex;align-items:center;justify-content:center;width:72px;height:72px;overflow:hidden;flex:0 0 auto;border:1px solid var(--stf-line);background:var(--stf-platinum)}.file-thumb img{display:block;max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}.file-thumb-icon{display:flex;align-items:center;justify-content:center;width:100%;height:100%;color:var(--stf-metal)}.file-chip-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:16rem;font-size:13px}.md .file-chip{margin:0 .15em}.md .file-thumb{width:40px;height:40px}.file-modal{position:fixed;inset:0;z-index:40;display:flex;align-items:center;justify-content:center;padding:24px}.file-modal-backdrop{position:absolute;inset:0;border:0;background:color-mix(in srgb,#1c1c1c 45%,transparent);cursor:pointer}.file-modal-card{position:relative;display:flex;flex-direction:column;width:min(52rem,100%);max-height:min(44rem,calc(100vh - 48px));background:#fff;border:1px solid var(--stf-line);box-shadow:0 16px 48px color-mix(in srgb,#1c1c1c 18%,transparent)}.file-modal-head{display:flex;align-items:center;gap:8px;padding:10px 12px;border-bottom:1px solid var(--stf-line)}.file-modal-title{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px}.file-modal-body{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;padding:16px;background:var(--stf-platinum);overflow:auto}.file-modal-body img{display:block;max-width:100%;max-height:min(36rem,calc(100vh - 10rem));width:auto;height:auto;object-fit:contain;background:#fff}.file-modal-body iframe{width:100%;height:min(36rem,calc(100vh - 10rem));border:0;background:#fff}.file-modal-body.empty{flex-direction:column;gap:12px;min-height:16rem;color:var(--stf-metal)}.file-modal-icon{display:flex;align-items:center;justify-content:center;width:88px;height:88px;background:#fff;border:1px solid var(--stf-line)}.file-modal-body.empty p{margin:0;color:var(--stf-ink)}.msg.assistant{border-left:3px solid var(--stf-regrind)}.msg.system{background:transparent;border-style:dashed;color:var(--stf-metal);font-size:13px}.msg-who{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--stf-metal);margin-bottom:6px}.steer-badge{margin-left:auto;font-size:11px;color:var(--stf-ocean);background:#e8f2f2;padding:1px 7px;border-radius:999px}.file-block.user{display:flex;flex-direction:column;align-items:flex-end;gap:6px;max-width:min(44rem,85%);margin:0 0 12px auto}.file-block.user .file-node{margin:0;max-width:100%}.file-block.agent{display:flex;flex-direction:column;align-items:flex-start;gap:6px}.md{line-height:1.55}.md>:first-child{margin-top:0}.md>:last-child{margin-bottom:0}.md p,.md ul,.md ol,.md pre,.md blockquote{margin:0 0 .7em}.md ul,.md ol{padding-left:1.3em}.md h1,.md h2,.md h3{font-weight:600;margin:.9em 0 .4em;line-height:1.3}.md h1{font-size:1.25rem}.md h2{font-size:1.1rem}.md h3{font-size:1rem}.md a{color:var(--stf-ocean);text-decoration:underline}.md table{border-collapse:collapse;width:100%;font-size:13px;margin:0 0 .7em}.md th,.md td{border:1px solid var(--stf-line);padding:4px 8px;text-align:left}.md blockquote{margin:0 0 .7em;padding:0 0 0 12px;border-left:3px solid var(--stf-line);color:var(--stf-metal)}.md-inline{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.88em;background:var(--stf-platinum);padding:1px 5px}.md-pre{overflow:auto;background:#1c1c1c;color:#f2f2f2;padding:10px 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12px;background:var(--stf-platinum);margin-bottom:8px}.wait strong{display:block;font-weight:600;font-size:13px}.wait span{color:var(--stf-metal);font-size:12px}.pill{display:inline-flex;align-items:center;gap:4px;font-size:12px;padding:3px 8px;background:var(--stf-platinum);color:var(--stf-ink);margin:0 4px 6px 0}.muted{color:var(--stf-metal);font-size:13px;line-height:1.45}.login{min-height:100%;display:flex;align-items:center;justify-content:center;padding:48px 16px}.login-card{width:min(520px,100%);background:#fff;padding:40px 36px;border:1px solid var(--stf-line)}.login-logo{height:64px;width:auto;display:block;margin-bottom:16px}.login .claim{color:var(--stf-metal);font-weight:300;margin:0 0 28px}.login-entra{width:100%;min-height:44px;margin:8px 0 24px;font-weight:600}.personas{display:grid;gap:8px}.persona{text-align:left;background:#fff;border:1px solid var(--stf-line);padding:12px 14px;display:flex;align-items:center;gap:12px}.persona:hover{border-color:var(--stf-regrind)}.persona .mark{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;background:var(--stf-platinum);color:var(--stf-regrind);flex:0 0 auto}.persona strong{display:block;font-weight:600}.persona span{color:var(--stf-metal);font-size:12px}.task-frame{width:100%;min-height:280px;border:1px solid var(--stf-line);background:#fff}.form{display:grid;gap:12px;max-width:28rem;margin-top:16px}.picker-stack{display:grid;gap:12px;max-width:28rem;margin:16px 0}.picker{position:relative;display:grid;gap:6px}.picker-label{font-size:13px;font-weight:600}.picker-search{display:flex;align-items:center;gap:8px;border:1px solid var(--stf-line);padding:8px 10px;background:#fff;color:var(--stf-metal)}.picker-search input{flex:1;border:0;padding:0;outline:none;background:transparent;color:var(--stf-ink)}.picker-picked{display:flex;align-items:center;gap:10px;border:1px solid var(--stf-line);padding:8px 10px;background:#eef6f1}.picker-picked span,.picker-hits button span{display:grid;min-width:0}.picker-picked strong,.picker-hits strong{font-weight:600;font-size:13px}.picker-picked em,.picker-hits em{font-style:normal;color:var(--stf-metal);font-size:12px}.picker-hits{position:absolute;z-index:6;top:calc(100% + 4px);left:0;right:0;margin:0;padding:4px 0;list-style:none;background:#fff;border:1px solid var(--stf-line);box-shadow:0 8px 24px #00000014;max-height:240px;overflow:auto}.picker-hits li{margin:0}.picker-hits li.muted{padding:10px 12px}.picker-hits button{width:100%;display:flex;align-items:flex-start;gap:10px;text-align:left;background:transparent;border:0;padding:8px 12px}.picker-hits button:hover{background:var(--stf-platinum)}.form label{display:grid;gap:6px;font-size:13px}.form input,.form textarea,.form select{border:1px solid var(--stf-line);padding:8px 10px;background:#fff}.form.wide{max-width:44rem}.form 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h3{margin:0;flex:1;min-width:0;font-size:11px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--stf-metal)}.list-group-actions{display:inline-flex;gap:2px}.icon-btn.tiny{width:26px;height:26px;border:0;background:transparent;color:var(--stf-metal)}.icon-btn.tiny:hover{color:var(--stf-ink);background:var(--stf-platinum)}.thread-row{position:relative;padding:0;align-items:stretch}.thread-row:has(.menu){z-index:8}.thread-row[draggable=true]{cursor:grab}.thread-row .row-main{display:flex;align-items:flex-start;gap:10px;flex:1;min-width:0;padding:12px 8px 12px 16px}.thread-row .row-more{margin:10px 8px 0 0}.row.unread .row-title{font-weight:600}.row-title{display:flex;align-items:center;gap:8px}.row-title-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.unread-dot{width:8px;height:8px;border-radius:50%;background:var(--stf-ocean);flex:0 0 auto}.menu{position:absolute;top:36px;right:8px;z-index:5;min-width:180px;background:#fff;border:1px solid var(--stf-line);box-shadow:0 8px 24px #00000014;display:grid}.list-group-head .menu{top:32px}.menu button{text-align:left;background:transparent;border:0;padding:8px 12px;font-size:13px}.menu button:hover{background:var(--stf-platinum)}.menu-flyout{position:relative}.menu-flyout-trigger{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%}.menu.menu-flyout-panel{position:fixed;top:0;right:auto;z-index:20}.menu .danger-text{color:#8a3030}.chat-head{display:flex;align-items:center;gap:12px;padding:12px 32px 0}.chat-title{border:0;background:transparent;padding:0;font-size:18px;font-weight:500;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-title:hover{color:var(--stf-regrind)}.chat-project select{border:1px solid var(--stf-line);background:#fff;padding:6px 8px;font-size:12px;max-width:180px}@media(max-width:1100px){.bar-claim{display:none}}@media(max-width:960px){.workspace{grid-template-columns:var(--rail) 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