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.ai-head{grid-template-columns:58px minmax(0,1fr) 40px 40px;gap:10px;padding:18px}.app-surface.showroom-surface .ai-head button{width:40px;height:40px;border-radius:14px}.app-surface.showroom-surface .bot-avatar{width:54px;height:54px;border-radius:19px}.app-surface.showroom-surface .ai-head strong{margin-bottom:4px;font-size:17px}.app-surface.showroom-surface .ai-head span{font-size:13px}.app-surface.showroom-surface .ai-head em{margin-top:6px;padding:3px 8px;font-size:11px}.app-surface.showroom-surface .chat-log{gap:18px;padding:18px 20px 14px}.app-surface.showroom-surface .message{gap:12px}.app-surface.showroom-surface .mini-bot{width:32px;height:32px;border-radius:12px;border-width:3px}.app-surface.showroom-surface .message.user div{max-width:282px;padding:12px 50px 12px 16px;border-radius:16px 16px 5px}.app-surface.showroom-surface .message.ai div:last-child{max-width:304px;padding:14px 16px;border-radius:6px 16px 16px}.app-surface.showroom-surface .message strong{margin-bottom:8px;font-size:14px}.app-surface.showroom-surface .message p{font-size:14px;line-height:1.74}.app-surface.showroom-surface .message time{top:14px;right:13px;font-size:11px}.app-surface.showroom-surface .quick-prompts{gap:10px;padding:10px 18px 12px;scroll-padding-inline:18px}.app-surface.showroom-surface .quick-prompts button{min-height:38px;padding:0 16px;font-size:13px}.app-surface.showroom-surface .voice-card{min-height:118px;grid-template-columns:40px minmax(0,1fr) 84px;gap:10px 14px;margin:0 18px 12px;padding:16px 16px 14px;border-radius:18px}.app-surface.showroom-surface .voice-bot{width:40px;height:40px;border-radius:14px}.app-surface.showroom-surface .voice-copy strong{font-size:14px}.app-surface.showroom-surface .voice-copy span{font-size:12px}.app-surface.showroom-surface .talk-btn{width:82px;min-height:86px;grid-template-rows:60px auto;border-radius:18px;font-size:14px}.app-surface.showroom-surface .talk-icon{width:56px;height:56px;border-width:3px}.app-surface.showroom-surface .chat-input{grid-template-columns:minmax(0,1fr) 84px;gap:14px;margin:10px 18px 18px}.app-surface.showroom-surface .chat-input input{min-height:48px;padding:0 20px;font-size:16px}.app-surface.showroom-surface .chat-input button{min-height:48px;font-size:16px}}@media(min-width:641px)and (max-width:820px){.app-surface.showroom-surface{--showroom-scale: .65}.app-surface.showroom-surface .vehicle-card{grid-template-columns:1fr;align-content:start;min-height:150px}.app-surface.showroom-surface .vehicle-card .sprite{width:100%;height:92px}.app-surface.showroom-surface .vehicle-copy small{margin:4px 0}}@media(min-width:821px)and (max-width:980px){.app-surface.showroom-surface{--showroom-scale: .78}}@media(min-width:981px)and (max-width:1100px){.app-surface.showroom-surface{--showroom-scale: .86}}@media(min-width:1101px)and (max-width:1180px){.app-surface.showroom-surface{--showroom-scale: .95}}@media(min-width:1181px)and (max-height:760px){.app-surface.showroom-surface{grid-template-rows:52px minmax(0,1fr);min-height:var(--ui-zoom-height, 100vh)}.app-surface.showroom-surface .topbar{height:52px;padding:0 24px}.app-surface.showroom-surface .logo-mark{width:36px;height:32px;font-size:22px}.app-surface.showroom-surface .logo-wrap strong{font-size:17px}.app-surface.showroom-surface .logo-wrap span{font-size:11px}.app-surface.showroom-surface .mode-switch button{height:30px}.app-surface.showroom-surface .sync-pill,.app-surface.showroom-surface .search-box{height:32px}.app-surface.showroom-surface .user-pill{height:38px}.app-surface.showroom-surface .workspace{padding:16px 28px 10px}.app-surface.showroom-surface .vehicle-rail{padding:18px 14px;gap:12px}.app-surface.showroom-surface .vehicle-list{gap:9px}.app-surface.showroom-surface .vehicle-card{min-height:106px;grid-template-columns:112px 1fr;padding:8px}.app-surface.showroom-surface .vehicle-card .sprite{width:112px;height:74px}.app-surface.showroom-surface .vehicle-copy small{margin:5px 0;line-height:1.3}.app-surface.showroom-surface .stage-panel{padding:12px 24px 14px;grid-template-rows:auto minmax(186px,206px) 64px auto;align-content:start;gap:7px}.app-surface.showroom-surface .stage-head h1{font-size:31px}.app-surface.showroom-surface .stage-head p{margin-top:6px;font-size:13px;line-height:1.28}.app-surface.showroom-surface .tag-row{gap:8px;margin-left:10px;vertical-align:5px}.app-surface.showroom-surface .tag{padding:4px 8px;font-size:12px}.app-surface.showroom-surface .product-canvas{min-height:186px}.app-surface.showroom-surface .hero-sprite{width:min(410px,88%);height:180px;min-height:0;border-radius:16px}.app-surface.showroom-surface .carousel-arrow{width:38px;height:38px}.app-surface.showroom-surface .slide-caption{bottom:8px;padding:5px 12px;font-size:12px}.app-surface.showroom-surface .thumb-strip{min-height:64px;gap:8px;padding:0 8px 3px}.app-surface.showroom-surface .thumb-strip button{flex-basis:78px;height:58px;min-height:58px;grid-template-rows:34px auto;padding:4px;font-size:10px}.app-surface.showroom-surface .thumb-strip img{height:34px}.app-surface.showroom-surface .spec-summary{min-height:124px}.app-surface.showroom-surface .spec-summary div{padding:5px 10px}.app-surface.showroom-surface .spec-summary strong{margin-bottom:2px;font-size:12px;letter-spacing:.08em}.app-surface.showroom-surface .spec-summary span{font-size:10px;line-height:1.04}.app-surface.showroom-surface .ai-head{grid-template-columns:50px minmax(0,1fr) 36px 36px;gap:8px;padding:12px 16px}.app-surface.showroom-surface .bot-avatar{width:50px;height:50px}.app-surface.showroom-surface .ai-head button{width:36px;height:36px}.app-surface.showroom-surface .ai-head strong{font-size:16px}.app-surface.showroom-surface .chat-log{gap:14px;padding:14px 20px 10px}.app-surface.showroom-surface .message.ai div:last-child{padding:12px 15px}.app-surface.showroom-surface .message p{font-size:13px;line-height:1.66}.app-surface.showroom-surface .quick-prompts{padding:6px 18px 8px}.app-surface.showroom-surface .quick-prompts button{min-height:32px;padding:0 14px;font-size:12px}.app-surface.showroom-surface .voice-card{min-height:78px;grid-template-columns:34px minmax(0,1fr) 70px;margin:0 18px 8px;padding:10px 12px}.app-surface.showroom-surface .voice-bot{width:34px;height:34px}.app-surface.showroom-surface .voice-copy strong{font-size:13px}.app-surface.showroom-surface .wave{height:22px;margin-top:5px}.app-surface.showroom-surface .talk-btn{width:68px;min-height:58px;grid-template-rows:40px auto;font-size:12px}.app-surface.showroom-surface .talk-icon{width:40px;height:40px}.app-surface.showroom-surface .voice-select{margin-top:3px;min-height:30px}.app-surface.showroom-surface .voice-select select{height:30px;padding:0 30px 0 12px;font-size:12px}.app-surface.showroom-surface .ask-bar{grid-template-columns:minmax(0,1fr) 78px;gap:12px;padding:0 18px 10px}.app-surface.showroom-surface .ask-bar input,.app-surface.showroom-surface .ask-bar button{min-height:42px;font-size:15px}}@media(min-width:1181px)and (max-height:680px){.app-surface.showroom-surface{grid-template-rows:48px minmax(0,1fr)}.app-surface.showroom-surface .topbar{height:48px}.app-surface.showroom-surface .workspace{padding:12px 24px 8px}.app-surface.showroom-surface .stage-panel{padding:9px 20px 10px;grid-template-rows:auto minmax(150px,166px) 54px auto;gap:6px}.app-surface.showroom-surface .stage-head h1{font-size:28px}.app-surface.showroom-surface .stage-head p{margin-top:4px;font-size:12px;line-height:1.18}.app-surface.showroom-surface .product-canvas{min-height:150px}.app-surface.showroom-surface .hero-sprite{width:min(360px,86%);height:146px}.app-surface.showroom-surface .slide-caption{bottom:5px;padding:4px 10px}.app-surface.showroom-surface .thumb-strip{min-height:54px}.app-surface.showroom-surface .thumb-strip button{flex-basis:70px;height:50px;min-height:50px;grid-template-rows:28px auto;font-size:9px}.app-surface.showroom-surface .thumb-strip img{height:28px}.app-surface.showroom-surface .spec-summary{min-height:106px}.app-surface.showroom-surface .spec-summary div{padding:4px 9px}.app-surface.showroom-surface .spec-summary strong{font-size:11px}.app-surface.showroom-surface .spec-summary span{font-size:9px}.app-surface.showroom-surface .ai-head{padding:10px 14px}.app-surface.showroom-surface .chat-log{padding:10px 18px 8px}.app-surface.showroom-surface .quick-prompts{padding:5px 16px 6px}.app-surface.showroom-surface .quick-prompts button{min-height:28px;padding:0 12px;font-size:11px}.app-surface.showroom-surface .voice-card{min-height:64px;grid-template-columns:30px minmax(0,1fr) 64px;margin:0 16px 6px;padding:8px 10px}.app-surface.showroom-surface .voice-bot{width:30px;height:30px}.app-surface.showroom-surface .voice-copy strong{font-size:12px}.app-surface.showroom-surface .wave{height:18px;margin-top:3px}.app-surface.showroom-surface .voice-select{min-height:26px;margin-top:2px}.app-surface.showroom-surface .voice-select select{height:26px;font-size:11px}.app-surface.showroom-surface .talk-btn{width:62px;min-height:50px;grid-template-rows:34px auto;font-size:11px}.app-surface.showroom-surface .talk-icon{width:34px;height:34px}.app-surface.showroom-surface .ask-bar{grid-template-columns:minmax(0,1fr) 72px;gap:10px;padding:0 16px 8px}.app-surface.showroom-surface .ask-bar input,.app-surface.showroom-surface .ask-bar button{min-height:38px;font-size:14px}}@media(max-width:900px){.split-board{grid-template-columns:1fr}.live-preview{max-height:none}}@media(max-width:640px){.tablet-shell{padding:0}.app-surface{border:0;border-radius:0}.topbar{grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"logo user" "mode mode" "sync sync" "search search"}.sync-pill{width:100%}.workspace{padding:14px}.showroom-workspace{overflow:auto}.showroom-grid{height:auto;grid-template-columns:1fr;overflow:visible}.ai-panel{height:min(640px,calc(100vh - 28px));max-height:640px}.vehicle-rail{grid-template-rows:auto auto auto;overflow:visible}.vehicle-list,.metric-grid,.asset-grid,.dealer-grid,.form-grid,.asset-bind,.asset-bind.compact,.config-image-grid,.template-grid,.split-board,.table-row{grid-template-columns:1fr}.spec-summary{grid-template-columns:repeat(2,minmax(0,1fr))}.spec-summary div:nth-child(2n){border-right:0}.spec-summary div:nth-child(4n){border-right:0}.spec-summary div:nth-last-child(-n+4){border-bottom:1px solid #edf2f8}.spec-summary div:nth-last-child(-n+2){border-bottom:0}.admin-side,.side-actions,.config-model-list,.config-model-actions{display:grid;grid-template-columns:1fr}.config-model-list article{flex:initial}}.app-surface.showroom-surface{width:var(--ui-zoom-width, 100vw);height:var(--ui-zoom-height, 100vh);min-height:var(--ui-min-height, 760px);overflow:auto;grid-template-columns:minmax(0,1fr);transform:scale(var(--ui-zoom, 1));transform-origin:0 0}.app-surface.showroom-surface .workspace,.app-surface.showroom-surface .showroom-workspace{min-width:0;width:100%;max-width:100%;overflow:auto}.app-surface.showroom-surface .showroom-workspace{min-width:1280px;padding:18px clamp(18px,2vw,28px) 28px}.app-surface.showroom-surface .showroom-grid{min-height:min(880px,calc(100vh - 98px));grid-template-columns:clamp(270px,19vw,300px) minmax(500px,1fr) clamp(380px,27vw,430px);gap:clamp(14px,1.35vw,20px);overflow:visible}.app-surface.showroom-surface .vehicle-rail,.app-surface.showroom-surface .stage-stack,.app-surface.showroom-surface .ai-panel{min-width:0}.app-surface.showroom-surface .stage-panel{grid-template-rows:auto minmax(240px,min(36vh,380px)) auto auto;align-content:start}.app-surface.showroom-surface .product-canvas{min-height:240px}.app-surface.showroom-surface .hero-sprite{width:min(620px,88%);height:min(36vh,380px);min-height:240px}.app-surface.showroom-surface .thumb-strip{justify-content:flex-start}.app-surface.showroom-surface .spec-summary{min-height:154px;grid-auto-rows:minmax(48px,auto)}.app-surface.showroom-surface .spec-summary div{min-width:0;padding:6px 12px}.app-surface.showroom-surface .spec-summary strong{margin-bottom:2px;font-size:13px;letter-spacing:.08em}.spec-summary span{overflow-wrap:anywhere}.app-surface.showroom-surface .spec-summary span{font-size:11px;line-height:1.18;word-break:break-word}.app-surface.showroom-surface .ai-panel{height:100%;max-height:none}.app-surface.showroom-surface .chat-log{min-height:220px}.message.user div{max-width:min(360px,82%)}.message.ai div:last-child{max-width:min(380px,88%)}.quick-prompts{min-width:0}@media(max-width:1360px){.topbar{grid-template-columns:minmax(220px,280px) auto 112px minmax(140px,1fr) 142px minmax(136px,170px);gap:10px;padding-inline:20px}.app-surface.showroom-surface .showroom-grid{grid-template-columns:260px minmax(500px,1fr) 370px}.vehicle-card{grid-template-columns:118px minmax(0,1fr)}.vehicle-card .sprite{width:100%}}