*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #004a64;--background-color: #ffffff;--background-gray: #e8e8e8;--text-light: #ffffff;--text-dark: #333333}body{font-family:Fira Sans Condensed,sans-serif;background-color:var(--background-gray);min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden}.sidebar-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:transparent;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .3s ease,visibility .3s ease;z-index:998}.sidebar-overlay.active{opacity:0;visibility:hidden;pointer-events:none}.sidebar{position:fixed;top:0;left:-280px;width:280px;height:100vh;background-color:#fff;box-shadow:2px 0 10px #0000001a;transition:left .3s ease;z-index:999;display:flex;flex-direction:column}.sidebar.open{left:0}.sidebar-header{padding:0 20px;background-color:var(--primary-color);display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid 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68px)}.welcome-title{font-size:2rem;font-weight:500;color:#1a1a1a;margin-bottom:40px;padding:20px 0;text-align:center}.welcome-wrapper{width:100%;display:flex;flex-direction:column;align-items:center}.saved-chats-section{margin-top:24px;padding:0 6px;display:flex;flex-direction:column;flex:1;min-height:0;overflow:hidden}.saved-chats-title{font-family:inherit;font-size:.85rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:#6b7280;padding:0 10px;margin-bottom:10px;flex-shrink:0}.saved-chats-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px;overflow-y:auto;overflow-x:hidden;flex:1;transition:max-height .3s ease}.saved-chats-list.collapsed{max-height:380px;overflow-y:hidden}.saved-chats-list::-webkit-scrollbar{width:8px}.saved-chats-list::-webkit-scrollbar-track{background:transparent}.saved-chats-list::-webkit-scrollbar-thumb{background:#b3d9e8;border-radius:4px;transition:background .3s 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svg{transform:rotate(180deg)}.chat-container{width:100%;max-width:800px;display:flex;flex-direction:column;align-items:center}.chat-container.chat-active{flex:1;align-items:stretch}.chat-wrapper{display:none;width:100%;margin-bottom:0;padding-bottom:0}.chat-container.chat-active .chat-wrapper{display:flex;flex-direction:column}.main-content.chat-active{justify-content:flex-start;padding-bottom:200px}.welcome-title.hidden,.welcome-wrapper.hidden{display:none}.chat-messages{width:100%;padding:20px 0 100px;display:flex;flex-direction:column;gap:20px}.message{padding:14px 18px;border-radius:18px;max-width:75%;font-size:.95rem;line-height:1.6;animation:fadeIn .3s ease;overflow-wrap:break-word;word-wrap:break-word;word-break:break-word}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message.user{background:linear-gradient(135deg,var(--primary-color, #004a64) 0%,#006080 100%);color:var(--text-light, 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#004a64)}.send-button:hover{background-color:#ffffff59}.send-button.has-text:hover{background-color:#f0f0f0;transform:scale(1.05)}.send-button svg{width:18px;height:18px}.send-button:disabled{opacity:.4;cursor:not-allowed}.typing-indicator{display:flex;flex-direction:column;gap:8px;padding:15px 20px;background-color:#fff;border-radius:18px 18px 18px 6px;align-self:flex-start;box-shadow:0 2px 12px #00000014;max-width:75%;animation:fadeIn .3s ease}.typing-dots{display:flex;gap:5px}.typing-text{font-size:.85rem;color:#666;font-style:italic}.typing-indicator span{width:8px;height:8px;background-color:var(--primary-color, #004a64);border-radius:50%;animation:typing 1.4s infinite ease-in-out}.typing-indicator span:nth-child(1){animation-delay:0s}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes typing{0%,60%,to{transform:scale(1);opacity:.4}30%{transform:scale(1.2);opacity:1}}