/* AI Optimizer Chatbot v3.0 */
#aiopt-chatbot-root{font-family:system-ui,-apple-system,sans-serif}

/* Toggle Button */
.aiopt-toggle{position:fixed;z-index:99998;bottom:24px;right:24px;width:60px;height:60px;border-radius:50%;background:linear-gradient(135deg,#ff6b6b,#ee5a24);border:none;cursor:pointer;box-shadow:0 4px 20px rgba(255,107,107,.4);display:flex;align-items:center;justify-content:center;transition:all .3s ease;animation:aiopt-pulse 2s infinite}
.aiopt-toggle:hover{transform:scale(1.1);box-shadow:0 6px 28px rgba(255,107,107,.5)}
.aiopt-toggle:active{transform:scale(.95)}
.aiopt-toggle svg{width:28px;height:28px;fill:#fff}
.aiopt-toggle.open{background:linear-gradient(135deg,#1e293b,#334155);box-shadow:0 4px 20px rgba(0,0,0,.2)}
.aiopt-toggle.open svg path:first-child{display:none}
.aiopt-toggle.open svg path:last-child{display:block}
@keyframes aiopt-pulse{0%,100%{box-shadow:0 4px 20px rgba(255,107,107,.4)}50%{box-shadow:0 4px 30px rgba(255,107,107,.6),0 0 0 10px rgba(255,107,107,.1)}}

/* Chat Window */
.aiopt-window{position:fixed;z-index:99997;bottom:96px;right:24px;width:400px;max-width:calc(100vw - 32px);height:560px;max-height:calc(100vh - 120px);background:#fff;border-radius:20px;box-shadow:0 20px 60px rgba(0,0,0,.15);display:flex;flex-direction:column;overflow:hidden;opacity:0;transform:translateY(20px) scale(.95);pointer-events:none;transition:all .3s cubic-bezier(.4,0,.2,1)}
.aiopt-window.open{opacity:1;transform:translateY(0) scale(1);pointer-events:auto}

/* Header */
.aiopt-header{background:linear-gradient(135deg,#0f172a,#1e293b);color:#fff;padding:18px 20px;display:flex;align-items:center;gap:12px;flex-shrink:0}
.aiopt-header-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#ff6b6b,#ee5a24);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.aiopt-header-info{flex:1;min-width:0}
.aiopt-header-name{font-size:15px;font-weight:700;margin:0}
.aiopt-header-status{font-size:11px;color:rgba(255,255,255,.5);display:flex;align-items:center;gap:4px}
.aiopt-header-status::before{content:"";width:6px;height:6px;border-radius:50%;background:#22c55e;display:inline-block}

/* Messages */
.aiopt-messages{flex:1;overflow-y:auto;padding:16px 20px;display:flex;flex-direction:column;gap:12px;scroll-behavior:smooth;background:#f8fafc}
.aiopt-messages::-webkit-scrollbar{width:4px}
.aiopt-messages::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:4px}
.aiopt-msg{display:flex;gap:10px;max-width:85%;animation:aiopt-fadeIn .3s ease}
.aiopt-msg.bot{align-self:flex-start}
.aiopt-msg.user{align-self:flex-end;flex-direction:row-reverse}
.aiopt-msg-avatar{width:30px;height:30px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:14px}
.aiopt-msg.bot .aiopt-msg-avatar{background:linear-gradient(135deg,#ff6b6b,#ee5a24);color:#fff}
.aiopt-msg.user .aiopt-msg-avatar{background:#1e293b;color:#fff}
.aiopt-msg-bubble{padding:12px 16px;border-radius:16px;font-size:14px;line-height:1.6;word-wrap:break-word}
.aiopt-msg.bot .aiopt-msg-bubble{background:#fff;color:#334155;border:1px solid #e2e8f0;border-bottom-left-radius:4px;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.aiopt-msg.user .aiopt-msg-bubble{background:linear-gradient(135deg,#ff6b6b,#ee5a24);color:#fff;border-bottom-right-radius:4px}
.aiopt-msg-bubble code{background:rgba(0,0,0,.06);padding:2px 6px;border-radius:4px;font-size:13px;font-family:'Fira Code',monospace}
.aiopt-msg.user .aiopt-msg-bubble code{background:rgba(255,255,255,.2)}
.aiopt-msg-bubble pre{background:#1e293b;color:#e2e8f0;padding:12px 16px;border-radius:8px;overflow-x:auto;margin:8px 0 4px;font-size:13px;line-height:1.5}
.aiopt-msg-bubble pre code{background:none;padding:0}
.aiopt-msg-bubble ul,.aiopt-msg-bubble ol{margin:4px 0;padding-left:20px}
.aiopt-msg-bubble li{margin:2px 0}
.aiopt-msg-bubble a{color:#ff6b6b;text-decoration:underline}
.aiopt-msg-bubble strong{font-weight:600}
.aiopt-msg-bubble h3{margin:12px 0 4px;font-size:15px;font-weight:700;color:#1e293b}
.aiopt-msg.user .aiopt-msg-bubble h3{color:#fff}
.aiopt-msg-bubble p{margin:4px 0}

/* Typing indicator */
.aiopt-typing{display:flex;gap:10px;align-self:flex-start;max-width:85%}
.aiopt-typing-avatar{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,#ff6b6b,#ee5a24);display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0}
.aiopt-typing-dots{display:flex;gap:4px;padding:14px 18px;background:#fff;border:1px solid #e2e8f0;border-radius:16px;border-bottom-left-radius:4px;align-items:center}
.aiopt-typing-dots span{width:7px;height:7px;background:#94a3b8;border-radius:50%;animation:aiopt-bounce .6s ease-in-out infinite}
.aiopt-typing-dots span:nth-child(2){animation-delay:.1s}
.aiopt-typing-dots span:nth-child(3){animation-delay:.2s}

/* Input */
.aiopt-input-wrap{padding:12px 16px;border-top:1px solid #e2e8f0;background:#fff;flex-shrink:0}
.aiopt-input-row{display:flex;gap:8px;align-items:flex-end}
.aiopt-input{flex:1;border:1.5px solid #e2e8f0;border-radius:14px;padding:12px 16px;font-size:14px;font-family:inherit;resize:none;outline:none;max-height:120px;line-height:1.4;transition:border-color .2s;color:#1e293b;background:#f8fafc}
.aiopt-input:focus{border-color:#ff6b6b;background:#fff}
.aiopt-input::placeholder{color:#94a3b8}
.aiopt-send{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,#ff6b6b,#ee5a24);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;flex-shrink:0}
.aiopt-send:hover{transform:scale(1.05);box-shadow:0 2px 10px rgba(255,107,107,.4)}
.aiopt-send:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.aiopt-send svg{width:18px;height:18px;fill:#fff}

/* Welcome */
.aiopt-welcome{padding:24px 20px;text-align:center;color:#64748b}
.aiopt-welcome-icon{font-size:40px;margin-bottom:8px}
.aiopt-welcome h3{color:#1e293b;font-size:16px;margin:0 0 6px}
.aiopt-welcome p{font-size:13px;margin:0;line-height:1.5}

/* Error */
.aiopt-error{padding:8px 14px;background:#fef2f2;color:#dc2626;border-radius:8px;font-size:13px;margin:4px auto;max-width:85%;text-align:center;animation:aiopt-fadeIn .3s ease}

/* Animations */
@keyframes aiopt-fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@keyframes aiopt-bounce{0%,80%,100%{transform:translateY(0)}40%{transform:translateY(-6px)}}

/* Position: bottom-left */
.aiopt-window.pos-bl{right:auto;left:24px}
.aiopt-toggle.pos-bl{right:auto;left:24px}

/* Mobile */
@media(max-width:480px){
.aiopt-window{bottom:0;right:0;left:0;width:100%;height:100%;max-height:100%;border-radius:0}
.aiopt-toggle{bottom:16px;right:16px;width:52px;height:52px}
.aiopt-toggle svg{width:24px;height:24px}
}

/* Markdown rendered content */
.aiopt-msg-bubble blockquote{border-left:3px solid #ff6b6b;padding-left:12px;margin:8px 0;color:#64748b;font-style:italic}
.aiopt-msg-bubble table{border-collapse:collapse;margin:8px 0;font-size:13px;width:100%}
.aiopt-msg-bubble th,.aiopt-msg-bubble td{border:1px solid #e2e8f0;padding:6px 10px;text-align:left}
.aiopt-msg-bubble th{background:#f1f5f9;font-weight:600}