#aicb-root{--aicb-c:#2563eb;--aicb-cd:#1e40af;--aicb-bg:#fff;--aicb-text:#111827;--aicb-muted:#6b7280;--aicb-bu:#eef2ff;--aicb-bb:#f3f4f6;position:fixed;bottom:20px;z-index:999999;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;font-size:14px;color:var(--aicb-text)}
#aicb-root.aicb-pos-right{right:20px;left:auto}
#aicb-root.aicb-pos-left{left:20px;right:auto}
#aicb-toggle{width:60px;height:60px;border-radius:50%;background:var(--aicb-c);color:#fff;border:none;cursor:pointer;box-shadow:0 8px 24px rgba(0,0,0,.18);display:flex;align-items:center;justify-content:center;transition:transform .15s,background .15s}
#aicb-toggle:hover{transform:scale(1.05);background:var(--aicb-cd)}
#aicb-toggle svg{width:28px;height:28px}
#aicb-panel{position:absolute;bottom:76px;width:360px;max-width:calc(100vw - 40px);height:540px;max-height:calc(100vh - 100px);background:var(--aicb-bg);border-radius:12px;box-shadow:0 20px 60px rgba(0,0,0,.2);display:none;flex-direction:column;overflow:hidden}
.aicb-pos-right #aicb-panel{right:0;left:auto}
.aicb-pos-left #aicb-panel{left:0;right:auto}
.aicb-pos-left .aicb-msg.user{align-self:flex-end}
#aicb-panel.open{display:flex}
.aicb-header{background:var(--aicb-c);color:#fff;padding:14px 16px;display:flex;align-items:center;justify-content:space-between}
.aicb-header h4{margin:0;font-size:15px;font-weight:600}
.aicb-close{background:none;border:none;color:#fff;font-size:22px;cursor:pointer;line-height:1;padding:0 4px}
.aicb-messages{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px;background:#fafafa}
.aicb-msg{max-width:82%;padding:10px 12px;border-radius:12px;line-height:1.4;word-wrap:break-word}
.aicb-msg.user{align-self:flex-end;background:var(--aicb-bu);border-bottom-right-radius:4px}
.aicb-msg.bot{align-self:flex-start;background:var(--aicb-bb);border-bottom-left-radius:4px}
.aicb-msg.bot ul,.aicb-msg.bot ol{margin:6px 0 6px 20px;padding:0}
.aicb-msg.bot li{margin:2px 0}
.aicb-msg.bot strong{font-weight:600}
.aicb-msg.bot code{background:rgba(0,0,0,.06);padding:1px 4px;border-radius:3px;font-size:.92em;font-family:ui-monospace,Menlo,monospace}
.aicb-msg.bot pre{background:rgba(0,0,0,.06);padding:8px;border-radius:6px;overflow-x:auto;font-size:.92em;margin:6px 0}
.aicb-msg.bot pre code{background:transparent;padding:0}
.aicb-msg.bot a{color:var(--aicb-c)}
.aicb-msg.locked{background:#fef0f0;color:#991b1b;align-self:center;max-width:90%;text-align:center;font-style:italic}
.aicb-sources{margin-top:6px;font-size:12px;color:var(--aicb-muted)}
.aicb-sources a{color:var(--aicb-c);text-decoration:none}
.aicb-sources a:hover{text-decoration:underline}
.aicb-typing{align-self:flex-start;background:var(--aicb-bb);padding:10px 14px;border-radius:12px;border-bottom-left-radius:4px}
.aicb-typing span{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--aicb-muted);margin-right:3px;animation:aicb-b 1.2s infinite}
.aicb-typing span:nth-child(2){animation-delay:.15s}
.aicb-typing span:nth-child(3){animation-delay:.3s}
@keyframes aicb-b{0%,80%,100%{opacity:.3;transform:translateY(0)}40%{opacity:1;transform:translateY(-4px)}}
.aicb-input{display:flex;border-top:1px solid #e5e7eb;background:#fff}
.aicb-input textarea{flex:1;border:none;padding:12px 14px;font-size:14px;font-family:inherit;resize:none;outline:none;max-height:100px;background:transparent;color:var(--aicb-text)}
.aicb-input button{background:var(--aicb-c);color:#fff;border:none;padding:0 16px;cursor:pointer;font-weight:600}
.aicb-input button:hover{background:var(--aicb-cd)}
.aicb-input button:disabled{opacity:.5;cursor:not-allowed}
@media (max-width:480px){#aicb-panel{width:calc(100vw - 24px);height:calc(100vh - 100px)}.aicb-pos-right #aicb-panel{right:0}.aicb-pos-left #aicb-panel{left:0}}