:root,:root.dark{--bg:#0b1220;--bg-2:#0f172a;--card:#0f172a;--muted:#94a3b8;--border:#1f2937;--accent:#5b9dff;--accent-2:#2563eb;--user:#2563eb;--bot:#e5e7eb;--radius:16px;--shadow:0 10px 30px #02061759;--input-bg:#0b1322;--input-text:#e2e8f0;--placeholder:#94a3b8;--icon:#cbd5e1;--floating-bg:#111827;--floating-fg:#e5e7eb;--chatbot-bg:#0003359d;--header-bg:linear-gradient(135deg, #4f46e526, #6366f11f, #8b5cf626);--header-border:#ffffff14;--header-text:#fff;--header-subtext:#ffffffb3;--header-features:#ffffff8c;--select-bg:#11182799;--select-border:#ffffff1f;--select-text:#ffffffd9;--btn-bg:#11182799;--btn-border:#ffffff1f;--btn-text:#ffffffd9;--messages-bg:transparent;--bot-text:#0f172a}:root.light{--bg:#fff;--bg-2:#f8fafc;--card:#fff;--muted:#64748b;--border:#e2e8f0;--accent:#3b82f6;--accent-2:#2563eb;--user:#2563eb;--bot:#f1f5f9;--shadow:0 10px 30px #0000001a;--input-bg:#f8fafc;--input-text:#1e293b;--placeholder:#94a3b8;--icon:#475569;--floating-bg:#fff;--floating-fg:#1e293b;--chatbot-bg:#fffffff2;--header-bg:linear-gradient(135deg, #4f46e514, rgba(99, 102, 츙 241, .06), #8b5cf614);--header-border:#0000001a;--header-text:#1e293b;--header-subtext:#1e293bb3;--header-features:#1e293b99;--select-bg:#f8fafccc;--select-border:#00000026;--select-text:#1e293b;--btn-bg:#f8fafccc;--btn-border:#00000026;--btn-text:#1e293b;--messages-bg:transparent;--bot-text:#1e293b}.chatbot .message-content img{max-width:100%}.chatbot{background-color:var(--chatbot-bg);width:min(100%,800px);height:clamp(560px,85vh,860px);box-shadow:var(--shadow);border-radius:24px;grid-template-rows:auto 1fr auto;transition:background-color .3s;display:grid;overflow:hidden}.cb-header{border-bottom:1px solid var(--header-border);background:var(--header-bg);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:12px 16px;transition:background .3s,border-color .3s;display:flex;position:relative}.cb-header:after{content:"";background:var(--header-border);height:1px;position:absolute;bottom:0;left:0;right:0}.cb-title{flex-shrink:0;align-items:center;gap:14px;display:flex}.cb-title-text{flex-direction:column;gap:4px;display:flex}.cb-avatar{color:#fff;background:linear-gradient(135deg,#3b82f6,#2563eb);border-radius:50%;flex-shrink:0;place-items:center;width:40px;height:40px;font-weight:700;display:grid;box-shadow:0 4px 12px #3b82f640}.cb-name{color:var(--header-text);letter-spacing:.2px;align-items:center;gap:6px;font-size:18px;font-weight:700;line-height:1.4;transition:color .3s;display:flex}.cb-separator{color:var(--muted);font-weight:400}.cb-subtitle{color:var(--header-subtext);font-size:14px;font-weight:400;transition:color .3s}.cb-features{color:var(--header-features);letter-spacing:.1px;font-size:11px;transition:color .3s}.cb-sub{color:var(--muted);font-size:12px}.cb-messages{scroll-behavior:smooth;flex-direction:column;gap:14px;padding:18px;display:flex;overflow:auto}.message{align-items:flex-end;margin-bottom:10px;display:flex}.message.user-message{justify-content:flex-end}.message.bot-message{justify-content:flex-start}.message-content{border-radius:14px;max-width:min(75ch,90%);padding:12px 14px;box-shadow:0 8px 20px #02061724}.user-message .message-content{background:linear-gradient(135deg, var(--user), #3b82f6);color:#fff;border-top-right-radius:6px}.bot-message .message-content{background:var(--bot);color:var(--bot-text);border-top-left-radius:6px;transition:background .3s,color .3s}.images{gap:6px;margin-top:10px;display:grid}.images.grid-1{grid-template-columns:1fr}.images.grid-2{grid-template-columns:1fr 1fr}.images.grid-3{grid-template-columns:2fr 1fr;grid-auto-rows:160px}.images.grid-3 img:first-child{grid-row:span 2;height:100%}.images.grid-4{grid-template-columns:1fr 1fr}.images img{object-fit:cover;background:#0b1220;border-radius:12px;width:100%;height:180px;display:block}.img-skel{position:relative}.img-skel:after{content:"";background:linear-gradient(90deg,#fff0 0%,#ffffff26 50%,#fff0 100%);animation:1.2s infinite shimmer;position:absolute;inset:0;transform:translate(-100%)}@keyframes shimmer{to{transform:translate(100%)}}.cb-input{border-top:1px solid var(--border);background:linear-gradient(#ffffff08,#fff0);gap:10px;padding:12px;display:grid}.attach-preview{grid-template-columns:repeat(auto-fill,minmax(72px,1fr));gap:8px;display:none}.attach-preview.active{display:grid}.thumb{border:1px solid var(--border);border-radius:12px;position:relative;overflow:hidden}.thumb img{object-fit:cover;width:100%;height:72px;display:block}.thumb button{color:#fff;cursor:pointer;background:#0f172abf;border:none;border-radius:8px;width:24px;height:24px;position:absolute;top:6px;right:6px}.row{gap:8px;display:flex}.input{border:1px solid var(--border);background:var(--input-bg);border-radius:14px;flex:1;align-items:center;gap:8px;padding:8px 10px;display:flex}.input input{color:var(--input-text);background:0 0;border:none;outline:none;flex:1;font-size:15px}.input input::placeholder{color:var(--placeholder)}.btn{background:linear-gradient(135deg, var(--accent), var(--accent-2));color:#fff;cursor:pointer;border:none;border-radius:12px;padding:10px 14px;font-weight:600}.cb-actions{flex-wrap:nowrap;flex:1;justify-content:flex-end;align-items:center;gap:6px;min-width:0;display:flex}.agent-select{min-width:140px;max-width:160px;font-size:11px}.cb-select{border:1px solid var(--select-border);background-color:var(--select-bg);min-width:150px;max-width:200px;height:34px;color:var(--select-text);cursor:pointer;appearance:none;background-position:right 8px center;background-repeat:no-repeat;background-size:10px 10px;border-radius:8px;flex-shrink:1;padding:6px 28px 6px 12px;font-size:12px;transition:all .25s}:root.dark .cb-select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23ffffff' d='M6 9L1 4h10z' opacity='0.6'/%3E%3C/svg%3E")}:root.light .cb-select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%231e293b' d='M6 9L1 4h10z' opacity='0.6'/%3E%3C/svg%3E")}.cb-select:hover{border-color:var(--border);background-color:var(--card)}.cb-select:focus{border-color:var(--accent);background-color:var(--card);outline:none;box-shadow:0 0 0 3px #3b82f61a}.cb-select option{background:var(--card);color:var(--floating-fg)}.cb-buttons{align-items:center;gap:8px;display:flex}.icon-btn{border:1px solid var(--btn-border);background:var(--btn-bg);color:var(--btn-text);cursor:pointer;border-radius:10px;flex-shrink:0;place-items:center;width:36px;height:36px;font-size:14px;transition:all .3s;display:grid}.icon-btn:hover{border-color:var(--border);background:var(--card);color:var(--icon);transform:translateY(-1px)}.icon-btn:active{transform:translateY(0)}.typing-indicator{align-items:center;gap:4px;display:flex}.typing-indicator span{background-color:#60a5fa;border-radius:50%;width:8px;height:8px;margin:0 2px;animation:1.4s ease-in-out infinite both typingbounce;display:inline-block}.typing-indicator span:first-child{animation-delay:-.32s}.typing-indicator span:nth-child(2){animation-delay:-.16s}@keyframes typingbounce{0%,80%,to{opacity:.4;transform:scale(.4)}40%{opacity:1;transform:scale(1)}}.lightbox{z-index:50;background:#020617e0;justify-content:center;align-items:center;display:none;position:fixed;inset:0}.lightbox.open{display:flex}.lightbox img{border-radius:12px;max-width:92vw;max-height:90vh}.lb-controls{gap:8px;display:flex;position:fixed;bottom:24px}.lb-btn{color:#e2e8f0;cursor:pointer;background:#0b1220;border:1px solid #334155;border-radius:10px;width:40px;height:40px}.lb-close{color:#e2e8f0;cursor:pointer;background:#0b1220;border:1px solid #334155;border-radius:12px;width:44px;height:44px;position:fixed;top:20px;right:20px}body{margin:0;font-family:Cera pro,serif}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}