:root{--lb-accent:#0ea5e9;--lb-background:#ffffff;--lb-header-bg:var(--lb-accent);--lb-radius:16px;--lb-font:Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;--lb-launcher-size:56px;--lb-shadow:0 12px 32px rgba(0, 0, 0, .18);--lb-text:#0f172a;--lb-text-muted:#475569;--lb-surface:#f8fafc;--lb-border:#e5e7eb;--lb-user-bubble:#e6f2ff;--lb-assistant-bubble:#f3f4f6}*{box-sizing:border-box;}.lb-panel,.lb-launcher,.lb-body,.lb-input input,.lb-input button{font-family:var(--lb-font)}@media (prefers-reduced-motion:no-preference){.lb-panel,.lb-msg .bubble,.lb-launcher{transition:all .18s ease}}.lb-launcher{position:fixed;right:16px;bottom:16px;width:fit-content;height:40px;border:0;border-radius:var(--lb-radius);padding:0 20px;background:linear-gradient(135deg,var(--lb-accent),color-mix(in oklab,var(--lb-accent) 80%,#fff));color:#fff;font-size:16px;display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;box-shadow:var(--lb-shadow);z-index:9999;outline:none}.lb-launcher.lb-left{left:16px;right:auto}.lb-launcher:hover{transform:translateY(-1px) scale(1.03);filter:brightness(1.03)}.lb-launcher:active{transform:translateY(0) scale(.98);filter:brightness(.98)}.lb-launcher:focus-visible{box-shadow:0 0 0 3px rgb(255 255 255 / .9),0 0 0 6px var(--lb-accent)}.lb-panel{position:fixed;right:16px;bottom:calc(var(--lb-launcher-size) + 28px);width:min(360px, 92vw);height:700px;max-height:72vh;background:var(--lb-background);border-radius:var(--lb-radius);box-shadow:var(--lb-shadow);display:none;flex-direction:column;overflow:hidden;z-index:9999;border:1px solid var(--lb-border);opacity:0;transform:translateY(6px) scale(.992)}.lb-panel.open{display:flex;opacity:1;transform:translateY(0) scale(1)}.lb-header{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:12px 14px;background:var(--lb-header-bg);color:#fff;font-weight:700;letter-spacing:.2px;min-height:48px}.lb-header img{display:block;height:20px}.lb-header strong{font-size:15px}.lb-header .lb-close{background:#fff0;color:#fff;border:0;border-radius:10px;width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.lb-header .lb-close:hover{background:rgb(255 255 255 / .24)}.lb-header .lb-close:focus-visible{outline:2px solid #fff;outline-offset:2px}.lb-body{padding:12px;background:var(--lb-surface);color:var(--lb-text);flex:1;overflow-y:auto;scroll-behavior:smooth;font-size:14.5px;line-height:1.5}.lb-body::-webkit-scrollbar{width:10px}.lb-body::-webkit-scrollbar-thumb{background:color-mix(in oklab,var(--lb-accent) 25%,#0000);border-radius:8px}.lb-msg{display:flex;margin:10px 0}.lb-msg .bubble{padding:10px 12px;border-radius:calc(var(--lb-radius) - 6px);max-width:84%;box-shadow:0 1px 1px rgb(0 0 0 / .04);border:1px solid var(--lb-border);background:var(--lb-assistant-bubble);color:var(--lb-text)}.lb-msg.user{justify-content:flex-end}.lb-msg.user .bubble{background:var(--lb-user-bubble);border-color:color-mix(in oklab,var(--lb-accent) 35%,var(--lb-border))}.lb-msg.assistant{justify-content:flex-start}@media (prefers-reduced-motion:no-preference){.lb-msg .bubble{animation:lb-pop .16s ease-out both}}@keyframes lb-pop{from{transform:translateY(4px) scale(.98);opacity:0}to{transform:translateY(0) scale(1);opacity:1}}.lb-actions{margin-top:8px}.lb-actions a{display:inline-block;padding:9px 12px;border-radius:10px;background:#25D366;color:#fff;text-decoration:none;font-size:13.5px;font-weight:600;box-shadow:0 6px 16px rgb(37 211 102 / .25)}.lb-actions a:hover{filter:brightness(1.05)}.lb-input{padding:10px;background:#fff;border-top:1px solid var(--lb-border)}.lb-input .lb-textarea input{padding:5px 10px;font-size:14.5px;color:var(--lb-text);background:#fff;border:none;border-radius:calc(var(--lb-radius) - 6px);outline:none;width:100%}.lb-textarea{display:flex;align-items:center;justify-content:space-between;border:1px solid var(--lb-border);border-radius:calc(var(--lb-radius) - 6px);border:1px solid var(--lb-border);background:#0000;padding:2px}.lb-input input::placeholder{color:var(--lb-text-muted)}.lb-input .lb-textarea:focus-within{border-color:var(--lb-accent);box-shadow:0 0 0 3px var(--lb-accent) / .25}.lb-input button{margin:0;border:0;border-radius:calc(var(--lb-radius) - 8px);background:var(--lb-accent);color:#fff;font-weight:700;cursor:pointer;font-size:16px;width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center}.lb-input button:hover{filter:brightness(1.05)}.lb-input button:active{transform:translateY(0) scale(.99)}.lb-input button:focus-visible{box-shadow:0 0 0 3px rgb(255 255 255 / .9),0 0 0 6px var(--lb-accent)}.lb-legal{font-size:12px;color:var(--lb-text-muted);padding:8px 12px;background:var(--lb-background);border-top:1px solid var(--lb-border);text-align:center}.lb-panel{border-radius:var(--lb-radius)}.lb-msg .bubble{border-radius:calc(var(--lb-radius) - 6px)}@media (max-width:420px){.lb-panel{right:10px;left:10px;width:auto}.lb-launcher{right:12px}}.lb-hidden{display:none!important}.lb-launcher.lb-left{left:16px;right:auto}