:root{--sidebar:252px;--ink:#17191f;--muted:#7d818b;--line:#e7e7eb;--soft:#f7f7f8;--accent:#5d5fef}
*{box-sizing:border-box}body{margin:0;font-family:Inter,Roboto,Arial,sans-serif;color:var(--ink);background:#fff;overflow:hidden}.app-shell{height:100vh;display:grid;grid-template-columns:var(--sidebar) 1fr;transition:grid-template-columns .24s ease}.app-shell.sidebar-collapsed{grid-template-columns:76px 1fr}.app-sidebar{background:#fafafa;border-right:1px solid var(--line);display:flex;flex-direction:column;min-width:0;overflow:hidden;transition:width .24s ease,transform .24s ease}.sidebar-top{padding:14px}.app-logo{width:34px;height:34px;border-radius:10px;background:#111;color:#fff;display:grid;place-items:center;font-weight:800}.sidebar-action{display:flex;align-items:center;gap:11px;width:100%;padding:11px 12px;border:1px solid transparent;border-radius:11px;color:#25272d;text-decoration:none;font-size:.92rem;background:transparent}.sidebar-action:hover,.sidebar-action.active{background:#fff;border-color:#e5e5e8;box-shadow:0 4px 14px rgba(15,23,42,.04)}.sidebar-section{padding:0 8px}.sidebar-label{padding:13px 10px 7px;font-size:.75rem;color:#999ca4}.chat-history{overflow:auto;flex:1;padding:0 8px}.chat-link{display:block;padding:9px 11px;border-radius:9px;color:#34363b;text-decoration:none;font-size:.84rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-link:hover,.chat-link.active{background:#efeff2}.sidebar-footer{padding:10px;border-top:1px solid #eee}.user-pill{display:flex;align-items:center;gap:10px;padding:10px;border-radius:12px}.avatar{width:30px;height:30px;border-radius:50%;background:#0a9f90;color:#fff;display:grid;place-items:center;font-weight:700}.app-main{position:relative;height:100vh;min-width:0;background:#fff}.topbar{height:58px;display:flex;align-items:center;justify-content:space-between;padding:0 24px;border-bottom:1px solid transparent}.mode-badge{padding:7px 13px;border-radius:999px;background:#edf4ff;color:#3572df;font-size:.78rem;font-weight:600}.main-scroll{height:calc(100vh - 58px);overflow:auto;padding-bottom:210px}.welcome-wrap{min-height:calc(100vh - 190px);display:flex;align-items:center;justify-content:center;padding:35px}.welcome-box{width:min(780px,92%);text-align:center}.dot-logo{display:grid;grid-template-columns:repeat(22,8px);gap:4px;justify-content:center;margin-bottom:35px}.dot-logo span{width:8px;height:8px;border-radius:50%;background:#d3d5d8}.dot-logo span:nth-child(6n),.dot-logo span:nth-child(13n){background:#333}.dot-logo span:nth-child(17n){background:#e5647c}.dot-logo span:nth-child(19n){background:#65bd7b}.welcome-box h1{font-size:2rem;letter-spacing:-.04em}.welcome-box p{color:var(--muted)}.messages{max-width:900px;margin:20px auto;padding:10px 24px}.message-row{display:flex;gap:14px;margin:28px 0}.message-row.user{justify-content:flex-end}.message-avatar{width:32px;height:32px;border-radius:10px;background:#111;color:#fff;display:grid;place-items:center;flex:0 0 auto}.message-content{max-width:78%;line-height:1.7;font-size:.95rem}.message-row.user .message-content{background:#f2f2f4;border-radius:18px 18px 4px 18px;padding:12px 16px}.message-row.assistant .message-content{padding-top:4px}.property-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:16px}.property-card{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff}.property-card img{width:100%;height:150px;object-fit:cover}.property-body{padding:13px}.property-title{font-weight:700;font-size:.9rem}.property-meta{font-size:.78rem;color:var(--muted);margin-top:4px}.property-price{font-weight:800;margin-top:8px}.composer-wrap{position:absolute;left:0;right:0;bottom:0;padding:18px 24px 24px;background:linear-gradient(transparent,#fff 24%)}.composer{width:min(820px,calc(100% - 24px));margin:auto;border:1px solid #d7d8dd;border-radius:23px;background:#fff;padding:14px 15px 10px;box-shadow:0 12px 35px rgba(15,23,42,.10)}.composer textarea{border:0!important;box-shadow:none!important;resize:none;min-height:52px;padding:0;font-size:.97rem}.composer-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px}.chip-row{display:flex;gap:8px;overflow-x:auto;padding:8px 0 2px}.cap-chip{white-space:nowrap;border:1px solid #d8d9df;border-radius:999px;background:#fff;padding:7px 11px;font-size:.75rem;color:#555b64}.cap-chip.active{background:#111827;color:#fff;border-color:#111827}.send-btn{width:40px;height:40px;border-radius:50%;border:0;background:#23262d;color:#fff;display:grid;place-items:center}.send-btn:disabled{opacity:.45}.mobile-toggle{display:none;border:0;background:#fff;font-size:1.2rem}.suggestion-chips{display:flex;flex-wrap:wrap;gap:9px;justify-content:center;margin-top:24px}.suggestion{border:1px solid #dfe0e5;border-radius:999px;background:#fff;padding:9px 13px;font-size:.8rem}.typing{display:inline-flex;gap:4px}.typing span{width:6px;height:6px;border-radius:50%;background:#777;animation:bounce 1s infinite}.typing span:nth-child(2){animation-delay:.15s}.typing span:nth-child(3){animation-delay:.3s}@keyframes bounce{0%,80%,100%{transform:translateY(0)}40%{transform:translateY(-5px)}}
@media(max-width:850px){body{overflow:auto}.app-shell{display:block}.app-sidebar{position:fixed;left:-270px;top:0;bottom:0;width:252px;z-index:100;transition:.25s}.app-sidebar.open{left:0;box-shadow:20px 0 50px rgba(0,0,0,.12)}.app-main{height:100vh}.mobile-toggle{display:block}.topbar{padding:0 14px}.welcome-wrap{padding:20px}.welcome-box h1{font-size:1.55rem}.composer-wrap{padding:12px}.composer{width:100%}.messages{padding:10px 14px}.message-content{max-width:90%}.property-grid{grid-template-columns:1fr}}
.answer-sources{padding-top:12px;border-top:1px solid #ececf0}.source-link{display:inline-flex;align-items:center;max-width:260px;padding:7px 10px;border:1px solid #e1e3e8;border-radius:999px;color:#4b5563;text-decoration:none;font-size:.74rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;background:#fff}.source-link:hover{color:#111827;border-color:#b8bdc8;background:#f8fafc}

.quota-badge{align-items:center;padding:7px 12px;border:1px solid #dbeafe;border-radius:999px;background:#f8fbff;color:#1e40af;font-size:.75rem;white-space:nowrap}
.composer-status{padding:7px 4px 0;color:#64748b;font-size:.72rem;line-height:1.4}
.app-shell.sidebar-collapsed .app-sidebar .sidebar-action span,.app-shell.sidebar-collapsed .app-sidebar .sidebar-action small,.app-shell.sidebar-collapsed .app-sidebar .sidebar-label,.app-shell.sidebar-collapsed .app-sidebar .chat-history,.app-shell.sidebar-collapsed .app-sidebar .user-pill .min-width-0,.app-shell.sidebar-collapsed .app-sidebar .user-pill>a,.app-shell.sidebar-collapsed .app-sidebar .demo-note,.app-shell.sidebar-collapsed .app-sidebar .sidebar-full-cta span{display:none!important}
.app-shell.sidebar-collapsed .app-sidebar .sidebar-action{justify-content:center;padding-left:8px;padding-right:8px}.app-shell.sidebar-collapsed .app-sidebar .sidebar-section{padding:0 8px}.app-shell.sidebar-collapsed .app-sidebar .sidebar-top{padding:14px 10px}.app-shell.sidebar-collapsed .app-sidebar .sidebar-top>div{flex-direction:column;gap:8px}.app-shell.sidebar-collapsed .app-sidebar .sidebar-footer{display:flex;justify-content:center}.app-shell.sidebar-collapsed .app-sidebar .user-pill{justify-content:center;padding:8px}.app-shell.sidebar-collapsed .app-sidebar .sidebar-full-cta{width:44px!important;height:42px;padding:0;display:grid;place-items:center}.sidebar-collapse-btn{width:34px;height:34px;border-radius:10px!important}.sidebar-collapse-btn:hover{background:#eceef2!important}
@media(max-width:1100px){.topbar{padding:0 16px}.topbar .btn{font-size:.75rem}.quota-badge{display:none!important}}
@media(max-width:850px){.app-shell.sidebar-collapsed{display:block}.app-shell.sidebar-collapsed .app-sidebar .sidebar-action span,.app-shell.sidebar-collapsed .app-sidebar .sidebar-action small,.app-shell.sidebar-collapsed .app-sidebar .user-pill .min-width-0,.app-shell.sidebar-collapsed .app-sidebar .user-pill>a,.app-shell.sidebar-collapsed .app-sidebar .sidebar-full-cta span{display:inline!important}.app-shell.sidebar-collapsed .app-sidebar .sidebar-label,.app-shell.sidebar-collapsed .app-sidebar .chat-history,.app-shell.sidebar-collapsed .app-sidebar .demo-note{display:block!important}.app-shell.sidebar-collapsed .app-sidebar .sidebar-action{justify-content:flex-start}.app-shell.sidebar-collapsed .app-sidebar .sidebar-top>div{flex-direction:row}.composer-status{font-size:.66rem}.topbar{gap:8px}.topbar>div:last-child{min-width:0}.mode-badge{max-width:110px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}}