/* Prototype only: additive navigation and full-page conversation surface. */
body.ux-prototype { --ux-accent: #6553dd; }
.ux-prototype .brand-sub {letter-spacing:.8px;font-size:9px}
.ux-prototype .sidebar-bottom {padding:12px 16px;margin-top:8px}
.ux-prototype .demo-card {margin-bottom:10px}
.ux-prototype .nav-item {padding:10px 12px;margin-bottom:2px}
.ux-prototype .nav-label {margin-top:13px}
.ux-section-nav{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin-bottom:18px;border-bottom:1px solid var(--line);padding-bottom:12px}
.ux-section-nav button{border-radius:8px;padding:8px 12px;font-size:12px;color:#656a7d}
.ux-section-nav button[aria-current=page]{background:var(--purple-light);color:var(--purple);font-weight:650}
.ux-page-note{font-size:12px;color:var(--muted);margin-bottom:14px}
.ux-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.ux-tile{display:flex;flex-direction:column;text-align:left;gap:8px;border:1px solid var(--line);border-radius:12px;background:#fff;padding:20px;min-height:132px;transition:border-color .15s}
.ux-tile:hover{border-color:#b2a6ef}
.ux-tile svg{color:var(--purple)}.ux-tile strong{font-size:14px}.ux-tile p{font-size:12px;color:var(--muted);line-height:1.6}
.ux-subhead{display:flex;justify-content:space-between;align-items:center;margin:20px 0 12px;gap:10px}
.ux-subhead h2{font-size:16px}.ux-proto-note{border:1px solid #e7def6;border-radius:10px;background:#f8f5ff;padding:12px 14px;font-size:12px;color:#6b5d83;margin:16px 0}
.ux-proto-note strong{color:#504062}.ux-tag{display:inline-flex;padding:3px 7px;border-radius:5px;background:#f1eef9;color:#746390;font-size:10px;white-space:nowrap}
.ux-knowledge-tools{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}.ux-knowledge-tools input{flex:1;min-width:190px;border:1px solid var(--line);border-radius:8px;padding:10px 12px;background:#fff}
.ux-doc-card{border:1px solid var(--line);border-radius:12px;background:white;padding:18px;text-align:left;display:flex;flex-direction:column;gap:9px}.ux-doc-card h3{font-size:14px}.ux-doc-card p{color:var(--muted);font-size:12px;line-height:1.6}.ux-doc-card small{color:var(--muted)}
.ux-settings-layout{display:grid;grid-template-columns:210px minmax(0,1fr);gap:24px}.ux-settings-nav{display:flex;flex-direction:column;gap:5px}.ux-settings-nav button{padding:10px 12px;text-align:left;font-size:12px;border-radius:8px}.ux-settings-nav button.active{background:var(--purple-light);color:var(--purple)}
.ux-settings-panel{padding:24px}.ux-settings-panel h2{font-size:18px;margin-bottom:8px}.ux-settings-panel p{font-size:13px;color:var(--muted);margin-bottom:18px;line-height:1.7}
.ux-form{display:grid;gap:16px;max-width:640px}.ux-form label{display:grid;gap:6px;font-size:12px;font-weight:550}.ux-form input,.ux-form select,.ux-form textarea{padding:10px 12px;border:1px solid #dfe2ec;border-radius:8px;background:#fff;max-width:100%}.ux-form .ux-inline{display:flex;align-items:center;gap:10px}.ux-setting-status{padding:12px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;font-size:12px;gap:10px}
.ux-chat-mode main{padding:0;max-width:none}.ux-chat-mode main>.page-head,.ux-chat-mode main>.demo-strip,.ux-chat-mode #filters,.ux-chat-mode #chips,.ux-chat-mode main>.footer{display:none}.ux-chat-mode #content{animation:none}.ux-chat-mode .top-search{display:none}
.ux-chat-layout{display:grid;grid-template-columns:226px minmax(0,1fr);height:calc(100dvh - 67px);min-height:470px;position:relative;background:#fff}
.ux-chat-rail{border-right:1px solid var(--line);background:#fafafd;padding:18px 13px;display:flex;flex-direction:column;min-height:0;gap:13px}
.ux-chat-rail-header{display:flex;align-items:center;justify-content:space-between;font-size:11px;font-weight:650;color:#697186;letter-spacing:.4px}
.ux-chat-rail .btn{width:100%}.ux-chat-search{border:1px solid var(--line);border-radius:8px;background:#fff;padding:8px 10px;font-size:11px;width:100%}
.ux-thread-list{flex:1;overflow:auto;display:flex;flex-direction:column;gap:4px}.ux-thread{padding:10px;border-radius:9px;text-align:left;border:1px solid transparent;display:grid;gap:3px;flex-shrink:0}.ux-thread strong{font-size:12px;font-weight:550;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;max-width:175px}.ux-thread small{font-size:10px;color:var(--muted)}.ux-thread.active{background:#eeeafa;border-color:#e7dff6}.ux-thread:hover{background:#f0eff6}
.ux-rail-footer{font-size:10px;color:var(--muted);border-top:1px solid var(--line);padding-top:12px;line-height:1.7}.ux-rail-footer button{font-size:11px;padding:0;color:var(--purple)}
.ux-chat-main{display:flex;flex-direction:column;min-width:0;min-height:0;background:#fff}
.ux-chat-head{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-bottom:1px solid var(--line);gap:12px;flex-shrink:0}.ux-chat-head h1{font-size:18px;letter-spacing:-.4px}.ux-chat-head p{font-size:11px;color:var(--muted);margin-top:3px}.ux-chat-head-actions{display:flex;gap:4px}.ux-chat-head .btn{font-size:11px;padding:7px 9px}
.ux-chat-stream{overflow:auto;flex:1;padding:22px 28px;scroll-behavior:smooth}.ux-chat-empty{max-width:690px;margin:clamp(20px,7vh,80px) auto 25px}.ux-agent-symbol{width:42px;height:42px;border-radius:13px;background:#efedfc;color:var(--purple);display:grid;place-items:center;margin-bottom:22px}.ux-chat-empty h2{font-size:28px;line-height:1.3;letter-spacing:-.8px;max-width:540px;font-weight:600}.ux-chat-empty>p{font-size:14px;color:#7c8395;margin:14px 0 25px;line-height:1.7;max-width:580px}.ux-suggestions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.ux-suggestion{padding:14px;text-align:left;background:#fff;border:1px solid var(--line);border-radius:11px;display:grid;gap:5px}.ux-suggestion:hover{border-color:#b7aee5;background:#fdfcff}.ux-suggestion strong{font-size:12px;font-weight:550}.ux-suggestion small{font-size:11px;color:var(--muted);line-height:1.5}
.ux-messages{max-width:790px;margin:0 auto}.ux-message{margin:0 0 30px;line-height:1.7;font-size:14px}.ux-message.user{display:flex;justify-content:flex-end}.ux-message.user>div{max-width:85%;padding:12px 17px;background:#f3f2f8;border-radius:16px 16px 3px 16px;white-space:pre-wrap;overflow-wrap:anywhere}.ux-assistant-label{display:flex;align-items:center;gap:8px;margin-bottom:10px;font-size:12px;font-weight:650}.ux-assistant-label svg{color:var(--purple)}.ux-answer-text p{margin:10px 0}.ux-answer-text strong{font-weight:650}.ux-message-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.ux-message-actions button{font-size:11px;padding:5px 8px;color:#777e90;border-radius:6px}.ux-message-actions button:hover{background:#f3f2f8;color:var(--purple)}
.ux-answer-table{border:1px solid var(--line);border-radius:10px;overflow-x:auto;margin:15px 0}.ux-answer-table table{font-size:12px;width:100%}.ux-answer-table td,.ux-answer-table th{padding:10px 12px;white-space:nowrap;border-bottom:1px solid var(--line)}.ux-answer-table th{font-size:10px;background:#fafafe}.ux-answer-table td:first-child{white-space:normal;min-width:140px}.ux-answer-meta{font-size:10px;color:#9297a5;margin:8px 0}.ux-evidence{border:1px solid var(--line);border-radius:9px;padding:10px 12px;margin:10px 0;font-size:11px;color:var(--muted)}.ux-evidence summary{cursor:pointer;color:#656a7c}.ux-evidence p{margin:5px 0;overflow-wrap:anywhere}.ux-draft-card{border:1px solid #e3d8b8;background:#fffcf4;border-radius:10px;padding:16px;margin:12px 0}.ux-draft-card strong{color:#775c24}.ux-draft-card p{font-size:12px}.ux-draft-card .btn{background:white}
.ux-composer-area{padding:5px 28px 15px;flex-shrink:0}.ux-composer{max-width:790px;margin:0 auto;border:1px solid #dadce8;border-radius:16px;padding:12px;background:#fff;box-shadow:0 3px 15px #26213707}.ux-composer textarea{resize:none;width:100%;min-height:52px;max-height:170px;border:0;background:transparent;font-size:14px;line-height:1.6;padding:4px 6px;outline:none}.ux-composer-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:7px}.ux-composer-toolbar .flex{gap:6px;min-width:0}.ux-context-chip{background:#f5f4fa;border:1px solid var(--line);border-radius:6px;padding:5px 8px;font-size:10px;color:#747589;max-width:360px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ux-send{width:34px;height:34px;border-radius:9px;background:var(--purple);color:white;display:grid;place-items:center;flex-shrink:0}.ux-send:disabled{opacity:.35}.ux-composer-note{text-align:center;font-size:10px;color:#9297a6;margin:8px auto 0;max-width:760px;line-height:1.5}.ux-attachments{display:flex;gap:6px;flex-wrap:wrap}.ux-attachments:empty{display:none}.ux-attachment{border:1px solid var(--line);padding:4px 7px;border-radius:6px;font-size:11px}.ux-attachment button{padding:1px 5px}
.ux-chat-rail-toggle{display:none}.ux-typing{font-size:12px;color:var(--muted);padding:12px 0}.ux-context-summary{display:grid;gap:14px;font-size:13px}.ux-context-summary h3{margin-top:8px}.ux-context-summary pre{white-space:pre-wrap;font-size:12px}.ux-prototype .page-head{align-items:flex-start}.ux-ask-report{margin-left:auto}
@media(min-width:1400px){.ux-chat-layout{grid-template-columns:245px minmax(0,1fr)}.ux-thread strong{max-width:200px}.ux-chat-stream{padding-left:44px;padding-right:44px}}
@media(max-width:1100px){.ux-chat-layout{grid-template-columns:196px minmax(0,1fr)}.ux-chat-head{padding:13px 16px}.ux-chat-stream{padding:20px}.ux-chat-empty h2{font-size:24px}.ux-composer-area{padding:5px 18px 12px}.ux-thread strong{max-width:145px}.ux-grid{grid-template-columns:1fr 1fr}.ux-settings-layout{grid-template-columns:180px minmax(0,1fr)}}
@media(max-width:800px){.ux-chat-layout{grid-template-columns:1fr}.ux-chat-rail{display:none;position:absolute;inset:0 auto 0 0;width:250px;z-index:22;box-shadow:10px 0 30px #20253812}.ux-chat-layout.rail-open .ux-chat-rail{display:flex}.ux-chat-rail-toggle{display:inline-flex}.ux-chat-empty{margin-top:20px}.ux-chat-empty h2{font-size:25px}.ux-chat-head-actions .ux-desktop-label{display:none}.ux-chat-stream{padding:20px 17px}.ux-composer-area{padding:3px 12px 12px}.ux-suggestions{gap:8px}.ux-suggestion{padding:12px}.ux-context-chip{max-width:190px}.ux-settings-layout{grid-template-columns:1fr}.ux-settings-nav{display:grid;grid-template-columns:1fr 1fr}.ux-settings-panel{padding:18px}.ux-chat-mode .shell{margin-left:0}.ux-grid{grid-template-columns:1fr 1fr}.ux-section-nav{gap:3px}.ux-section-nav button{padding:7px 8px;font-size:11px}.ux-chat-mode .topbar{height:58px;padding:0 14px}.ux-chat-layout{height:calc(100dvh - 58px);min-height:400px}.ux-chat-mode .top-meta>.avatar{display:none}}
@media(max-width:460px){.ux-grid{grid-template-columns:1fr}.ux-chat-head h1{font-size:16px}.ux-chat-head .btn{padding:6px}.ux-chat-head p{font-size:10px}.ux-chat-empty h2{font-size:23px}.ux-context-chip{max-width:160px}.ux-suggestion small{font-size:10px}.ux-composer-note{font-size:9px}.ux-message{font-size:13px}.ux-chat-rail{width:230px}.ux-thread strong{max-width:185px}.ux-settings-nav{gap:2px}}

.ux-prototype textarea{font-family:inherit}.ux-chat-mode .top-meta [data-cx]{display:none}