:root{--ai-primary:#1e3a8a;--ai-primary-hover:#172554;--ai-bg:#fff;--ai-text:#333;--ai-muted:#6b7280;--ai-user-bubble:#eff6ff;--ai-bot-bubble:#f3f4f6;--ai-border:#e5e7eb;--ai-shadow:0 10px 25px -5px #0000001a 0 8px 10px -6px #0000001a}.ai-chat-btn{position:fixed;bottom:20px;left:20px;width:60px;height:60px;color:var(--text-primary);box-shadow:0 4px 12px #00000026;cursor:pointer;z-index:9999;display:flex;align-items:center;justify-content:center;transition:all .3s ease;opacity:.9;background:#fff3;border-radius:36px;box-shadow:0 4px 30px #0000001a;backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px);border:1px solid #ffffff4d}.ai-chat-btn:hover{transform:scale(1.15);opacity:.8;backdrop-filter:blur(20px);color:#7a540d}.ai-chat-window{position:fixed;bottom:90px;left:20px;width:350px;height:500px;max-height:calc(100vh - 110px);background:var(--ai-bg);border-radius:12px;box-shadow:var(--ai-shadow);display:flex;flex-direction:column;z-index:10000;overflow:hidden;transition:opacity .3s ease,transform .3s ease;transform-origin:bottom left;border:1px solid var(--ai-border);visibility:visible}.ai-chat-window.hidden{opacity:0;pointer-events:none;transform:scale(0.95);visibility:hidden}.ai-chat-header{background-color:var(--ai-primary);color:#fff;padding:15px;display:flex;justify-content:space-between;align-items:center;border-radius:12px 12px 0 0}.ai-chat-header-info{display:flex;align-items:center;gap:10px}.ai-avatar{background:#fff3;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center}.ai-chat-header h4{margin:0;font-size:14px;font-weight:600}.ai-chat-header span{font-size:11px;opacity:.8}#ai-chat-close{background:none;border:none;color:#fff;cursor:pointer;opacity:.7;transition:opacity .2s;padding:5px}#ai-chat-close:hover{opacity:1}.ai-chat-body{flex:1;padding:15px;overflow-y:auto;display:flex;flex-direction:column;gap:12px;background-color:#fafafa}.ai-message{display:flex;flex-direction:column;max-width:85%}.ai-message-user{align-self:flex-start}.ai-message-assistant{align-self:flex-end}.ai-bubble{padding:10px 14px;border-radius:12px;font-size:13.5px;line-height:1.6;word-wrap:break-word}.ai-message-user .ai-bubble{background-color:var(--ai-user-bubble);color:var(--ai-text);border-top-right-radius:4px;border:1px solid #dbeafe}.ai-message-assistant .ai-bubble{background-color:var(--ai-bot-bubble);color:var(--ai-text);border-top-left-radius:4px;border:1px solid var(--ai-border)}.ai-chat-footer{padding:12px 15px;background:var(--ai-bg);border-top:1px solid var(--ai-border);display:flex;align-items:flex-end;gap:10px}#ai-chat-input{flex:1;border:1px solid var(--ai-border);border-radius:20px;padding:10px 15px;font-size:16px;font-family:inherit;resize:none;max-height:100px;outline:none;background:#f9fafb;transition:border-color .2s}#ai-chat-input:focus{border-color:var(--ai-primary);background:#fff}#ai-chat-send{background:var(--ai-primary);color:#fff;border:none;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .2s;flex-shrink:0}#ai-chat-send:hover{background:var(--ai-primary-hover)}#ai-chat-send:disabled{background:var(--ai-muted);cursor:not-allowed}.ai-typing{display:flex;gap:4px;padding:5px 2px}.ai-dot{width:6px;height:6px;background-color:var(--ai-muted);border-radius:50%;animation:ai-bounce 1.4s infinite ease-in-out both}.ai-dot:nth-child(1){animation-delay:-.32s}.ai-dot:nth-child(2){animation-delay:-.16s}@keyframes ai-bounce{0%,80%,100%{transform:scale(0)}40%{transform:scale(1)}}@media (max-width: 480px){.ai-chat-window{bottom:75px;border-radius:20px;border:none;margin:5px}.ai-chat-header{border-radius:0;padding-top:env(safe-area-inset-top,15px)}.ai-chat-footer{padding-bottom:env(safe-area-inset-bottom,12px)}.ai-chat-btn{bottom:env(safe-area-inset-bottom,20px);bottom:80px}}@media (max-width: 991px){.ai-chat-btn{bottom:80px}}.ai-bubble a{text-shadow:none}