.chat-sidebar{width:280px;height:100%;border-right:1px solid var(--border-color);background-color:var(--secondary-color);display:flex;flex-direction:column}.sidebar-header{padding:16px 20px;border-bottom:1px solid var(--border-color);height:60px;display:flex;align-items:center}.sidebar-header h2{margin:0;font-size:18px;font-weight:600}.chat-list{flex:1;overflow-y:auto;padding:8px 0}.chat-item{display:flex;justify-content:space-between;align-items:center;padding:10px 20px;cursor:pointer;border-radius:4px;margin:2px 8px;transition:background-color .2s}.chat-item:hover{background-color:var(--hover-color)}.chat-item.active{background-color:var(--active-color)}.chat-item-content{display:flex;flex-direction:column;flex:1;padding:4px 0}.chat-item-title{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}.chat-delete-button{opacity:.5;background:none;border:none;color:#666;cursor:pointer;padding:2px 8px;border-radius:4px;display:flex;align-items:center;justify-content:center;visibility:hidden;font-size:18px;font-weight:700}.chat-delete-button:hover{opacity:1;background-color:#ff00001a;color:#f33}.chat-item:hover .chat-delete-button{visibility:visible}.chat-savings{display:flex;flex-direction:column;font-size:10px;margin-top:4px}.cost-savings{color:#2e8b57}.carbon-savings{color:#4286f4}.home-button{background:none;border:none;color:var(--primary-color);cursor:pointer;font-size:14px;padding:4px 8px}.home-button:hover{text-decoration:underline}.no-chats{padding:20px;text-align:center;color:var(--light-text)}.chat-messages{flex:1;padding:20px 24px;overflow-y:auto;background-color:#f9f9fc;display:flex;flex-direction:column}.message{display:flex;margin-bottom:20px;max-width:80%}.user-message{margin-left:auto;flex-direction:row-reverse}.assistant-message{align-self:flex-start}.message-avatar{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:12px;margin:0 8px}.user-message .message-avatar{background-color:var(--primary-color);color:#fff}.assistant-message .message-avatar{background-color:#f0f0f0;color:var(--primary-color)}.message-content{padding:12px 16px;border-radius:18px;font-size:15px;line-height:1.5;word-break:break-word}.user-message .message-content{background-color:var(--primary-color);color:#fff;border-top-right-radius:4px}.assistant-message .message-content{background-color:#fff;border:1px solid var(--border-color);border-top-left-radius:4px}.empty-chat{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--light-text);text-align:center;margin:auto 0}.empty-chat-icon{margin-bottom:16px;color:var(--primary-color);width:30px;height:30px;border:2px solid var(--primary-color);border-radius:50%;display:flex;align-items:center;justify-content:center;font-style:italic;font-weight:700}.empty-chat h3{margin:0 0 8px;font-weight:600;color:var(--text-color)}.empty-chat p{margin:0;font-size:14px}.typing-indicator{display:flex;align-items:center}.typing-indicator span{height:8px;width:8px;background-color:var(--light-text);border-radius:50%;display:inline-block;margin:0 2px;opacity:.6;animation:typing 1.4s infinite both}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes typing{0%{transform:translateY(0)}50%{transform:translateY(-5px)}to{transform:translateY(0)}}.savings-breakdown{display:flex;align-items:center;margin:0 0 20px 42px;padding:8px 12px;background-color:#f3f8f5;border-radius:8px;width:fit-content;max-width:80%;font-size:12px}.savings-icon{font-size:16px;margin-right:8px}.savings-details{display:flex;flex-direction:column;gap:4px}.cost-saved,.carbon-saved{display:flex;align-items:center}.cost-saved{color:#2e8b57}.carbon-saved{color:#4286f4}.savings-value{font-weight:600;margin-left:4px}:root{--primary-color: #2e8b57;--secondary-color: #f4f9f6;--text-color: #333;--light-text: #888;--border-color: #e0ebe4;--hover-color: #ecf5f0;--active-color: #d5e8dd;--shadow: 0 2px 10px rgba(0, 0, 0, .1)}.chat-container{display:flex;height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;color:var(--text-color)}.chat-main{display:flex;flex-direction:column;flex:1;height:100%;background-color:#fff}.chat-header{display:flex;align-items:center;padding:16px 24px;border-bottom:1px solid var(--border-color);height:60px}.chat-header h2{margin:0 0 0 16px;font-size:18px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.new-chat-button{display:flex;align-items:center;justify-content:center;padding:8px 16px;border-radius:4px;border:none;background-color:var(--primary-color);color:#fff;cursor:pointer;font-weight:500;transition:background-color .2s}.new-chat-button:hover{background-color:#247a48}.plus-icon{font-size:18px;font-weight:700;margin-right:6px}.chat-input{display:flex;padding:16px 24px;border-top:1px solid var(--border-color);background-color:#fff}.chat-input input{flex:1;padding:12px 16px;border:1px solid var(--border-color);border-radius:8px;font-size:16px;outline:none;transition:border-color .2s}.chat-input input:focus{border-color:var(--primary-color)}.chat-input button{display:flex;align-items:center;justify-content:center;width:48px;height:44px;margin-left:8px;border:none;border-radius:8px;background-color:var(--primary-color);color:#fff;cursor:pointer;transition:background-color .2s}.chat-input button:hover{background-color:#247a48}.chat-input button:disabled{background-color:#d1d1d1;cursor:not-allowed}.send-icon{font-size:18px;font-weight:700}.chat-savings-display{display:flex;gap:10px;margin-left:auto}.cost-savings-badge,.carbon-savings-badge{font-size:12px;padding:4px 8px;border-radius:12px;font-weight:500}.cost-savings-badge{background-color:#e6f7e9;color:#2e8b57}.carbon-savings-badge{background-color:#e6f2ff;color:#4286f4}@media (max-width: 768px){.chat-container{flex-direction:column}.chat-sidebar{width:100%;height:auto;max-height:200px}.chat-main{height:calc(100vh - 200px)}}.home-page{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;width:100%;background-color:var(--secondary-color);padding:20px;text-align:center;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif}.home-logo{margin-bottom:60px;display:flex;flex-direction:column;align-items:center}.home-logo h1{font-size:42px;font-weight:700;margin:0;color:var(--primary-color)}.home-logo p{font-size:18px;color:var(--light-text);margin:12px 0 0}.start-chat-button{background-color:var(--primary-color);color:#fff;font-size:16px;font-weight:600;padding:14px 32px;border:none;border-radius:8px;cursor:pointer;margin-bottom:40px;transition:background-color .2s;display:flex;align-items:center;justify-content:center}.start-chat-button:hover{background-color:#247a48}.home-footer{margin-top:40px;text-align:center}.home-footer p{color:var(--light-text);margin-bottom:4px}.home-footer h2{font-size:28px;font-weight:700;margin:8px 0 0;color:var(--text-color)}.cost-savings-home{color:#2e8b57;font-size:16px;font-weight:500;margin-top:12px}@media (max-width: 768px){.home-logo h1{font-size:32px}.home-footer h2{font-size:24px}}