:root{--bg: #0d0f12;--bg-sidebar: #161820;--bg-card: #1e2028;--bg-input: #252830;--bg-hover: #252830;--border: rgba(255, 255, 255, .08);--border-focus: rgba(6, 182, 212, .5);--accent: #06b6d4;--accent-hover: #0891b2;--accent-dim: rgba(6, 182, 212, .15);--text-primary: #f1f5f9;--text-muted: #94a3b8;--text-faint: #475569;--bubble-user: #1d4ed8;--bubble-assistant: #1e2028;--danger: #ef4444;--danger-hover: #dc2626;--success: #22c55e;--warning: #f59e0b;--radius: 8px;--radius-lg: 12px;--radius-xl: 16px;--sidebar-w: 260px;--font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", Consolas, monospace;--font-xs: 11px;--font-sm: 12px;--font-base: 14px;--font-lg: 16px;--font-xl: 20px;--font-2xl: 26px;--font-display-weight: 700;--font-display-tracking: -.02em;--z-dropdown: 200;--z-overlay: 400;--z-modal: 500;--z-toast: 600;--z-crosslinks: 9000;--shadow-sm: 0 2px 8px rgba(0,0,0,.2);--shadow-md: 0 4px 16px rgba(0,0,0,.3);--shadow-lg: 0 8px 32px rgba(0,0,0,.4);--gradient-logo: linear-gradient(135deg, #06b6d4, #3b82f6);--gradient-avatar: linear-gradient(135deg, #1d4ed8, #2563eb)}[data-theme=light]{--bg: #f8fafc;--bg-sidebar: #f1f5f9;--bg-card: #ffffff;--bg-input: #f1f5f9;--bg-hover: #e2e8f0;--border: rgba(0, 0, 0, .1);--border-focus: rgba(6, 182, 212, .5);--text-primary: #0f172a;--text-muted: #475569;--text-faint: #94a3b8;--bubble-user: #1d4ed8;--bubble-assistant: #f1f5f9;--shadow-sm: 0 2px 8px rgba(0,0,0,.08);--shadow-md: 0 4px 16px rgba(0,0,0,.12);--shadow-lg: 0 8px 32px rgba(0,0,0,.18)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;width:100%}body{background:var(--bg);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Inter,Roboto,sans-serif;font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow:hidden}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;border:none;background:none;font-family:inherit;font-size:inherit;color:inherit}input,textarea{font-family:inherit;font-size:inherit}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#80808040;border-radius:999px}::-webkit-scrollbar-thumb:hover{background:#80808066}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 16px;border-radius:var(--radius);font-size:14px;font-weight:500;transition:background .15s,opacity .15s,box-shadow .15s,transform .15s;white-space:nowrap}.btn-primary{background:var(--accent);color:#000}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg-hover)}.btn-ghost{background:transparent;color:var(--text-muted);padding:6px 10px}.btn-ghost:hover{background:var(--bg-hover);color:var(--text-primary)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:var(--danger-hover)}.btn:disabled{opacity:.45;cursor:not-allowed}*:focus{outline:none}*:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}button:focus-visible{outline-offset:1px}.interactive{transition:transform .12s ease,box-shadow .12s ease,opacity .15s}.interactive:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}.interactive:active{transform:translateY(0) scale(.98)}.btn-scale{transition:transform .1s ease,background .15s}.btn-scale:hover{transform:scale(1.03)}.btn-scale:active{transform:scale(.97)}.skeleton{background:linear-gradient(90deg,var(--bg-input) 25%,rgba(255,255,255,.05) 50%,var(--bg-input) 75%);background-size:200% 100%;animation:skeleton-shimmer 1.4s ease infinite;border-radius:var(--radius)}@keyframes skeleton-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.form-group{display:flex;flex-direction:column;gap:6px}.form-label{font-size:13px;font-weight:500;color:var(--text-muted)}.form-input{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-primary);padding:10px 12px;width:100%;transition:border-color .15s;outline:none}.form-input:focus{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-dim)}.form-input::placeholder{color:var(--text-faint)}.role-badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:600;letter-spacing:.04em;text-transform:uppercase}.role-badge.visitor{background:#94a3b826;color:var(--text-muted)}.role-badge.customer{background:#06b6d426;color:var(--accent)}.role-badge.admin{background:#f59e0b26;color:var(--warning)}@keyframes fade-in{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse-dot{0%,to{opacity:1}50%{opacity:.3}}@keyframes spin{to{transform:rotate(360deg)}}.fade-in{animation:fade-in .2s ease-out}.btn-google{width:100%;display:flex;align-items:center;justify-content:center;gap:.75rem;padding:.75rem 1.5rem;background:#fff;color:#1a1a1a;border:none;border-radius:8px;font-size:.95rem;font-weight:500;cursor:pointer;transition:opacity .15s;margin-bottom:1rem;font-family:inherit}.btn-google:hover{opacity:.92}.btn-google:disabled{opacity:.5;cursor:not-allowed}.auth-divider{display:flex;align-items:center;gap:1rem;margin:1rem 0;color:var(--text-muted);font-size:.85rem}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:var(--border)}.product-cards{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}.product-card{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-lg);padding:14px 16px;min-width:180px;flex:1 1 180px;max-width:240px;display:flex;flex-direction:column;gap:6px;transition:border-color .15s}.product-card:hover{border-color:var(--border-focus)}.product-card-name{font-size:13px;font-weight:600;color:var(--text-primary);line-height:1.4}.product-card-price{font-size:18px;font-weight:700;color:var(--accent);letter-spacing:-.02em}.product-card-actions{display:flex;gap:6px;margin-top:6px;flex-wrap:wrap}.btn-buy,.btn-lease,.btn-quote{flex:1;padding:6px 10px;border-radius:var(--radius);font-size:12px;font-weight:600;cursor:pointer;border:none;font-family:inherit;transition:opacity .15s,background .15s;white-space:nowrap}.btn-buy{background:var(--accent);color:#000}.btn-buy:hover{background:var(--accent-hover)}.btn-lease{background:#0284c7;color:#fff}.btn-lease:hover{background:#0369a1}.btn-quote{background:var(--bg-card);color:var(--text-muted);border:1px solid var(--border)}.btn-quote:hover{background:var(--bg-hover);color:var(--text-primary)}.markdown-body{line-height:1.7}.markdown-body p{margin-bottom:.75em}.markdown-body p:last-child{margin-bottom:0}.markdown-body h1,.markdown-body h2,.markdown-body h3{font-weight:600;margin:1em 0 .4em;line-height:1.3}.markdown-body h1{font-size:1.2em}.markdown-body h2{font-size:1.1em}.markdown-body h3{font-size:1em}.markdown-body ul,.markdown-body ol{padding-left:1.4em;margin-bottom:.75em}.markdown-body li{margin-bottom:.25em}.markdown-body code{font-family:var(--font-mono);font-size:.85em;background:#ffffff14;border-radius:4px;padding:1px 5px}.markdown-body pre{margin:.75em 0;border-radius:var(--radius);overflow:hidden}.markdown-body pre code{background:none;padding:0;border-radius:0;font-size:.82em}.markdown-body blockquote{border-left:3px solid var(--border-focus);padding-left:12px;margin:.75em 0;color:var(--text-muted)}.markdown-body table{width:100%;border-collapse:collapse;margin:.75em 0;font-size:.9em}.markdown-body th,.markdown-body td{border:1px solid var(--border);padding:6px 10px;text-align:left}.markdown-body th{background:var(--bg-input);font-weight:600}.markdown-body a{color:var(--accent);text-decoration:underline}.markdown-body strong{font-weight:600}.markdown-body em{font-style:italic}.markdown-body hr{border:none;border-top:1px solid var(--border);margin:1em 0}.community-feed-panel{background:var(--bg-sidebar);border-left:1px solid var(--border);width:280px;flex-shrink:0;display:flex;flex-direction:column;height:100%;overflow:hidden}.community-feed-header{padding:1rem;font-weight:600;font-size:.9rem;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.community-feed-close{background:none;border:none;color:var(--text-muted);cursor:pointer}.community-feed-loading,.community-feed-empty{padding:1.5rem 1rem;color:var(--text-muted);font-size:.85rem}.community-feed-list{flex:1;overflow-y:auto}.community-feed-item{padding:.75rem 1rem;border-bottom:1px solid var(--border)}.community-feed-item:hover{background:#ffffff08}.feed-trending{display:flex;gap:.6rem;align-items:flex-start}.feed-trending-icon{font-size:1.1rem}.feed-trending-title{font-size:.85rem;font-weight:500;color:var(--text-primary);line-height:1.3}.feed-trending-count{font-size:.75rem;color:var(--text-muted);margin-top:.15rem}.feed-post-meta{display:flex;gap:.4rem;align-items:center;font-size:.75rem;margin-bottom:.35rem}.feed-post-author{font-weight:600;color:var(--accent)}.feed-post-type{color:var(--text-muted)}.feed-post-time{color:var(--text-muted);margin-left:auto}.feed-post-content{font-size:.82rem;color:var(--text-primary);line-height:1.45}.feed-post-reactions{display:flex;gap:.5rem;margin-top:.4rem;flex-wrap:wrap}.feed-reaction{font-size:.78rem;background:#ffffff0f;padding:.15rem .45rem;border-radius:999px}.community-feed-footer{padding:.75rem 1rem;border-top:1px solid var(--border)}.community-feed-link{font-size:.8rem;color:var(--accent);text-decoration:none}.community-feed-link:hover{text-decoration:underline}.community-btn-active{color:var(--accent);background:var(--accent-dim)}@media(max-width:768px){.community-feed-panel,.community-btn-label{display:none}}