:root{--primary-bg:#FDFBF6;--accent-purple:#4B0082;--accent-gold:#D4AF37;--text-primary:#1a1a1a;--text-secondary:#4a4a4a;--text-light:#666666;--text-white:#ffffff;--bg-light:#FFFEFA;--chat-bg:#f8f9fa;--assistant-bg:#ffffff;--user-bg:#4B0082;--user-text:#ffffff;--border-light:rgba(0,0,0,0.12);--shadow-soft:0 2px 12px rgba(0,0,0,0.08);--shadow-message:0 1px 3px rgba(0,0,0,0.15);--border-radius:16px;--border-radius-small:8px;--transition:all 0.2s cubic-bezier(0.4,0,0.2,1)}.page-wrapper-chat{display:flex;justify-content:center;height:100vh;width:100%;background:var(--primary-bg)}.chat-container{display:flex;flex-direction:column;height:100%;max-width:900px;width:100%;margin:0;background:var(--primary-bg);box-shadow:var(--shadow-soft);position:relative;overflow:hidden}.ad-sidebar{width:180px;flex-shrink:0;padding:1rem;display:flex;align-items:center;justify-content:center;background-color:var(--bg-light);border-left:1px solid var(--border-light)}.ad-sidebar .ad-container{width:160px;height:600px;background-color:#f0f0f0;border:1px dashed #ccc;display:flex;align-items:center;justify-content:center;text-align:center;color:#999;font-size:0.9rem}.ad-sidebar .ad-container::before{content:'Espacio publicitario (160x600)'}.chat-header{background:var(--accent-purple);color:white;padding:1.5rem 2rem;text-align:center;box-shadow:var(--shadow-soft);position:relative;z-index:10}.chat-header::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at center,transparent 0%,rgba(0,0,0,0.1) 100%)}.chat-header-content{position:relative;z-index:2}.chat-header h1{font-family:'Playfair Display',serif;font-size:1.8rem;margin:0 0 0.5rem 0;font-weight:600;color:rgba(255,255,255,0.95);text-shadow:2px 2px 4px rgba(0,0,0,0.3)}.chat-header .subtitle{font-size:0.95rem;opacity:1;margin:0;font-weight:400;color:rgba(255,255,255,0.9);text-shadow:1px 1px 2px rgba(0,0,0,0.3)}.chat-status{display:inline-flex;align-items:center;gap:0.5rem;background:rgba(255,255,255,0.15);padding:0.3rem 1rem;border-radius:20px;font-size:0.85rem;margin-top:0.5rem}.status-dot{width:8px;height:8px;background:#4ade80;border-radius:50%;animation:pulse 2s infinite}@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.5}}.chat-messages{flex:1;padding:1.5rem;overflow-y:auto;overflow-x:hidden;background:var(--primary-bg);display:flex;flex-direction:column;gap:1rem;scroll-behavior:smooth;scrollbar-width:thin;scrollbar-color:rgba(0,0,0,0.15) transparent}.chat-messages::-webkit-scrollbar{width:8px}.chat-messages::-webkit-scrollbar-track{background:transparent;border-radius:4px}.chat-messages::-webkit-scrollbar-thumb{background:rgba(0,0,0,0.15);border-radius:4px;border:2px solid transparent;background-clip:content-box;transition:all 0.2s ease}.chat-messages::-webkit-scrollbar-thumb:hover{background:rgba(0,0,0,0.25);background-clip:content-box}.chat-messages::-webkit-scrollbar-thumb:active{background:rgba(0,0,0,0.35);background-clip:content-box}.chat-message{display:flex;max-width:80%;animation:messageSlide 0.3s ease-out}@keyframes messageSlide{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.message-bubble{padding:1rem 1.25rem;border-radius:var(--border-radius);line-height:1.6;font-size:0.95rem;box-shadow:var(--shadow-message);position:relative;word-wrap:break-word;max-width:100%;border:1px solid var(--border-light)}.message-avatar{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem;margin:0 0.75rem;flex-shrink:0;align-self:flex-end}.message-content{flex:1;display:flex;flex-direction:column}.message-time{font-size:0.75rem;opacity:0.6;margin-top:0.5rem;text-align:right}.assistant-message{align-self:flex-start;flex-direction:row}.assistant-message .message-avatar{background:var(--accent-gold);color:white;order:1;align-self:flex-start;margin-top:0.5rem}.assistant-message .message-content{order:2}.assistant-bubble{background:var(--assistant-bg);color:var(--text-primary);border:1px solid var(--border-light);position:relative;font-weight:400}.user-message{align-self:flex-end;flex-direction:row-reverse}.user-message .message-avatar{background:var(--user-bg);color:white;order:1;align-self:flex-start;margin-top:0.5rem}.user-message .message-content{order:2}.user-bubble{background:var(--user-bg);color:var(--text-white);position:relative;font-weight:500}.user-message .message-time{text-align:left;color:rgba(255,255,255,0.9);font-weight:400}.welcome-message{text-align:center;margin:1.5rem 0;padding:1.5rem;background:linear-gradient(135deg,rgba(75,0,130,0.05) 0%,rgba(212,175,55,0.05) 100%);border-radius:var(--border-radius);border:1px solid var(--accent-gold);max-width:90%;align-self:center}.welcome-message .welcome-icon{font-size:3rem;margin-bottom:1rem;color:var(--accent-gold)}.welcome-message h3{font-family:'Playfair Display',serif;color:var(--text-primary);margin-bottom:1rem;font-size:1.5rem}.welcome-message p{color:var(--text-secondary);font-size:1.05rem;margin:0;line-height:1.6}.chat-input-container{padding:1rem 1.5rem 1.5rem;background:var(--primary-bg);border-top:1px solid var(--border-light);position:sticky;bottom:0;z-index:10}.chat-input-container::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--accent-gold),transparent);opacity:0.3}.chat-input{max-width:768px;margin:0 auto;position:relative;display:flex;background:white;border-radius:24px;border:1px solid var(--border-light);box-shadow:0 2px 8px rgba(0,0,0,0.06);transition:var(--transition);overflow:hidden}.chat-input:focus-within{border-color:var(--accent-purple);box-shadow:0 4px 16px rgba(75,0,130,0.15)}.input-wrapper{flex:1;position:relative;display:flex}.chat-input textarea{width:100%;height:52px;max-height:200px;padding:16px 56px 16px 20px;border:none;resize:none;font-family:'Source Sans Pro',sans-serif;font-size:16px;line-height:20px;background:transparent;outline:none;color:var(--text-primary);overflow-y:auto;scrollbar-width:none;-ms-overflow-style:none;box-sizing:border-box}.chat-input textarea::-webkit-scrollbar{display:none}.chat-input textarea::placeholder{color:rgba(0,0,0,0.45);font-weight:400}.send-button{position:absolute;right:6px;top:6px;width:40px;height:40px;border:none;border-radius:20px;background:var(--accent-purple);color:white;cursor:pointer;transition:var(--transition);display:flex;align-items:center;justify-content:center;font-size:16px;box-shadow:0 2px 8px rgba(75,0,130,0.2);z-index:2}.send-button:hover:not(:disabled){background:#3a0066;transform:scale(1.05);box-shadow:0 4px 12px rgba(75,0,130,0.3)}.send-button:active:not(:disabled){transform:scale(0.95)}.send-button:disabled{opacity:0.4;cursor:not-allowed;background:#ccc;box-shadow:none;transform:none}.char-counter{position:absolute;bottom:-20px;right:0;font-size:12px;color:rgba(0,0,0,0.4);display:none}.typing-indicator{display:flex;align-items:center;gap:0.5rem;padding:1rem 1.25rem;background:var(--assistant-bg);border-radius:var(--border-radius);border:1px solid var(--border-light);max-width:80px;align-self:flex-start;margin:0 0 1rem 3rem;opacity:0;animation:fadeInUp 0.3s ease-out forwards}.typing-dots{display:flex;gap:4px}.typing-dot{width:8px;height:8px;background:var(--text-secondary);border-radius:50%;animation:typingBounce 1.4s infinite ease-in-out both}.typing-dot:nth-child(1){animation-delay:-0.32s}.typing-dot:nth-child(2){animation-delay:-0.16s}@keyframes typingBounce{0%,80%,100%{transform:scale(0);opacity:0.5}40%{transform:scale(1);opacity:1}}@media (max-width:1100px){.ad-sidebar{display:none}.chat-container{margin:0 auto}}@media (max-width:768px){.chat-container{max-width:100%;height:100vh;box-shadow:none}.chat-messages{padding:1rem;gap:0.75rem}.chat-message{max-width:90%}.chat-input-container{padding:0.75rem 1rem 1rem}.chat-input{max-width:100%;border-radius:20px}.chat-input textarea{font-size:16px;padding:14px 50px 14px 16px;height:48px}.send-button{width:36px;height:36px;right:6px;top:6px;border-radius:18px}.chat-header{padding:1rem}.chat-header h1{font-size:1.4rem}.welcome-message{margin:1rem 0;padding:1.25rem}.message-avatar{width:32px;height:32px;font-size:1rem;margin:0 0.5rem}.typing-indicator{margin:0 0 0.75rem 2.5rem}}@media (max-width:480px){.chat-messages{padding:0.75rem;gap:0.5rem}.chat-input-container{padding:0.5rem 0.75rem 0.75rem}.chat-input{border-radius:18px;border-width:1px}.chat-input textarea{padding:12px 45px 12px 14px;height:44px;font-size:16px}.send-button{width:32px;height:32px;right:6px;top:6px;border-radius:16px;font-size:14px}.message-bubble{padding:0.75rem 1rem;font-size:0.9rem}.chat-header h1{font-size:1.2rem}.chat-header .subtitle{font-size:0.8rem}.message-avatar{width:28px;height:28px;font-size:0.9rem;margin:0 0.4rem}.typing-indicator{margin:0 0 0.5rem 2rem}.welcome-message{margin:0.75rem 0;padding:1rem}.welcome-message h3{font-size:1.25rem}.welcome-message p{font-size:0.95rem}}@media (max-width:480px) and (orientation:landscape){.chat-header{padding:0.75rem}.chat-header h1{font-size:1.2rem}.chat-header .subtitle{display:none}.chat-status{margin-top:0.25rem}}@supports (padding:max(0px)){.chat-input-container{padding-bottom:max(0.75rem,env(safe-area-inset-bottom))}}.chat-message p{margin:0 0 0.5rem 0}.chat-message p:last-child{margin-bottom:0}.chat-messages{scroll-behavior:smooth}.assistant-bubble{color:var(--text-primary);font-weight:400}.user-bubble{color:var(--text-white);font-weight:500}.message-bubble p{color:inherit;font-weight:inherit}.assistant-bubble p{color:var(--text-primary)}.user-bubble p{color:var(--text-white)}.message-bubble:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(0,0,0,0.1)}.send-button:disabled{opacity:0.5;cursor:not-allowed;background:#ccc;box-shadow:none;transform:none}.error-message .message-bubble{background:#fee;border-color:#fcc;color:#c33}.typing-dot{background:var(--accent-purple)}*{transition:var(--transition)}.streaming-cursor{display:inline-block;width:2px;height:1em;background:var(--accent-purple);margin-left:2px;animation:cursorBlink 1s infinite;vertical-align:text-bottom}@keyframes cursorBlink{0%,49%{opacity:1}50%,100%{opacity:0}}.message-bubble.streaming{position:relative}.message-bubble.streaming::after{content:'';position:absolute;bottom:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent 0%,var(--accent-purple) 50%,transparent 100%);animation:streamingGlow 2s infinite}@keyframes streamingGlow{0%{opacity:0.3;transform:translateX(-100%)}50%{opacity:0.6}100%{opacity:0.3;transform:translateX(100%)}}.streaming .streaming-cursor{background:var(--accent-gold);box-shadow:0 0 8px rgba(212,175,55,0.5)}.assistant-message.streaming{animation:streamingSlide 0.4s ease-out}@keyframes streamingSlide{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{from{opacity:0}to{opacity:1}}@media (max-width:768px){.streaming-cursor{width:1.5px;margin-left:1px}}@media (max-width:480px){.streaming-cursor{width:1px}.message-bubble.streaming::after{height:1.5px}}