.message-list{flex-grow:1;padding:var(--space-lg) var(--space-xl);overflow-y:auto;display:flex;flex-direction:column;gap:var(--space-md);background-color:transparent;scroll-behavior:smooth}.message-list::-webkit-scrollbar{width:8px}.message-list::-webkit-scrollbar-track{background:transparent}.message-list::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:var(--radius-sm)}.message-list::-webkit-scrollbar-thumb:hover{background:#fff3}.message{display:flex;max-width:85%;align-items:flex-end;gap:var(--space-sm);animation:messageSlideIn .3s ease-out forwards}@keyframes messageSlideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.avatar{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;border:2px solid rgba(255,255,255,.05)}.user-avatar{background:linear-gradient(135deg,#4e459a,#2c285d);color:var(--text-primary);order:2}.ai-avatar{background:linear-gradient(135deg,var(--primary-accent),#6a50e0);color:var(--text-primary);order:0}.message-content{padding:var(--space-md) var(--space-lg);border-radius:var(--radius-xl);line-height:1.6;font-size:.95rem;word-wrap:break-word;color:var(--text-primary)}.message.user{align-self:flex-end;margin-left:auto}.message.user .message-content{background-color:#7b61ff26;border-radius:var(--radius-xl) var(--radius-xl) var(--radius-sm) var(--radius-xl)}.message.ai{align-self:flex-start;margin-right:auto}.message.ai .message-content{background-color:#3c386680;border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-xl) var(--radius-xl) var(--radius-xl) var(--radius-sm)}.message-content p{margin:0 0 8px}.message-content p:last-child{margin-bottom:0}.message-content ul,.message-content ol{padding-left:20px;margin:8px 0}.message-content li{margin-bottom:4px}.message-content strong{font-weight:600;color:#fff}.message-content sup{color:var(--text-secondary);font-weight:500;background-color:#0003;padding:1px 4px;border-radius:4px;font-size:.7em;margin-left:4px;vertical-align:super}.empty-chat-container{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;text-align:center;color:var(--text-secondary);padding:var(--space-xl)}.empty-chat-logo{font-size:4rem;line-height:1;margin-bottom:var(--space-lg);animation:float 3s ease-in-out infinite}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-10px)}to{transform:translateY(0)}}.empty-chat-container h2{font-size:1.75rem;color:var(--text-primary);margin-bottom:var(--space-sm);font-weight:600}.empty-chat-container p{max-width:400px;margin-bottom:var(--space-md);line-height:1.6}.message-input-container{display:flex;padding:var(--space-md) var(--space-lg);gap:var(--space-md);background-color:#0003;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-top:1px solid var(--border-color)}.message-input{flex-grow:1;border-radius:var(--radius-lg);padding:var(--space-md) var(--space-lg);font-size:1rem;font-family:inherit;background-color:#0003;color:var(--text-primary);border:1px solid transparent;transition:all .2s ease;resize:none;min-height:54px;max-height:150px;line-height:1.5;overflow-y:auto}.message-input::placeholder{color:var(--text-muted)}.message-input:focus{outline:none;border-color:var(--primary-accent);background-color:#0000004d}.message-input:disabled{background-color:#0000001a;cursor:not-allowed}.send-button{background:var(--primary-accent);color:var(--text-primary);border:none;border-radius:50%;width:54px;height:54px;font-size:1.5rem;cursor:pointer;transition:all .2s ease;flex-shrink:0;display:flex;align-items:center;justify-content:center;padding:0}.send-button:hover{background:var(--primary-accent-hover);transform:scale(1.05)}.send-button:active{transform:scale(.95)}.send-button:disabled{background:var(--text-muted);cursor:not-allowed;transform:none;opacity:.5}.send-button.loading{background:var(--text-muted);cursor:wait}@media (max-width: 768px){.message-input-container{padding:var(--space-md) var(--space-lg);gap:var(--space-sm)}.message-input{padding:var(--space-sm) var(--space-md);font-size:.9rem;min-height:44px}.send-button{padding:var(--space-sm) var(--space-lg);font-size:.9rem;min-width:70px}}@media (max-width: 480px){.message-input-container{padding:var(--space-sm) var(--space-md)}.message-input{padding:var(--space-xs) var(--space-sm);min-height:40px}.send-button{padding:var(--space-xs) var(--space-sm);min-width:60px}}.chat-container{width:100%;max-width:900px;height:95vh;display:flex;flex-direction:column;background-color:transparent;border-radius:var(--radius-2xl);box-shadow:var(--shadow-lg);overflow:hidden;border:1px solid var(--border-light)}.chat-header{padding:var(--space-lg) var(--space-xl);background-color:transparent;color:var(--text-primary);display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border-color);flex-shrink:0}.chat-header h2{margin:0;font-size:1.25rem;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.header-buttons{display:flex;gap:var(--space-sm)}.header-button{background-color:transparent;color:var(--text-secondary);border:1px solid var(--border-color);padding:var(--space-sm) var(--space-lg);border-radius:var(--radius-md);cursor:pointer;font-weight:500;font-size:.875rem;transition:all .2s ease;display:flex;align-items:center;gap:.5em}.header-button:hover{background-color:var(--primary-accent);border-color:var(--primary-accent);color:var(--text-primary)}.reset-button:active{transform:translateY(0)}.loading-indicator{padding:var(--space-md) var(--space-xl);text-align:center;color:var(--text-secondary);font-size:.875rem;background-color:var(--bg-tertiary);border-top:1px solid var(--border-light);display:flex;align-items:center;justify-content:center;gap:var(--space-sm)}.typing-dots{display:flex;gap:4px}.typing-dot{width:6px;height:6px;border-radius:50%;background-color:var(--text-muted);animation:typing 1.4s infinite ease-in-out}.typing-dot:nth-child(1){animation-delay:-.32s}.typing-dot:nth-child(2){animation-delay:-.16s}.typing-dot:nth-child(3){animation-delay:0s}@keyframes typing{0%,80%,to{transform:scale(.8);opacity:.5}40%{transform:scale(1);opacity:1}}@media (max-width: 768px){.chat-container{height:100vh;border-radius:0;max-width:none}.chat-header{padding:var(--space-md) var(--space-lg)}.chat-header h2{font-size:1.25rem}.reset-button{padding:var(--space-xs) var(--space-md);font-size:.8rem}}.hamburger-menu{display:none;background:none;border:none;color:var(--text-primary);font-size:1.5rem;cursor:pointer;padding:0;margin-right:var(--space-md)}@media (max-width: 768px){.hamburger-menu{display:block}.chat-header h2{font-size:1.1rem}}.export-icon{width:16px;height:16px;filter:invert(90%) sepia(8%) saturate(93%) hue-rotate(200deg) brightness(90%) contrast(92%)}.header-button:hover .export-icon{filter:invert(100%) sepia(0%) saturate(7500%) hue-rotate(100deg) brightness(110%) contrast(100%)}.sidebar{width:260px;background-color:var(--sidebar-bg);border-right:1px solid var(--border-color);display:flex;flex-direction:column;flex-shrink:0}.sidebar-header{padding:var(--space-lg);border-bottom:1px solid var(--border-color)}.sidebar-title-container{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-md)}.sidebar-header h3{margin:0;color:var(--text-primary)}.new-chat-button{width:100%;padding:var(--space-sm) var(--space-md);background-color:var(--primary-accent);color:var(--text-primary);border:none;border-radius:var(--radius-md);font-weight:600;cursor:pointer;transition:background-color .2s ease}.new-chat-button:hover{background-color:var(--primary-accent-hover)}.new-chat-button:disabled{background-color:var(--text-muted);cursor:not-allowed;opacity:.6}.conversation-list{flex-grow:1;overflow-y:auto;padding:var(--space-sm)}.conversation-item{padding:var(--space-md);border-radius:var(--radius-md);cursor:pointer;margin-bottom:var(--space-xs);color:var(--text-secondary);position:relative;display:flex;align-items:center;gap:.5em;transition:background-color .2s ease}.conversation-item:hover{background-color:#ffffff0d}.conversation-item.active{background-color:var(--primary-accent);color:var(--text-primary);font-weight:500}.conversation-item.active:hover{background-color:var(--primary-accent-hover)}.conversation-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex-grow:1}.pin-icon{margin-right:.3em;font-size:1em;vertical-align:middle}.kebab-menu-icon{display:inline-block;margin-left:auto;padding:0 .5em;color:var(--text-secondary);font-size:1.2em;cursor:pointer;opacity:0;transition:opacity .2s;-webkit-user-select:none;user-select:none}.conversation-item:hover .kebab-menu-icon,.conversation-item.active .kebab-menu-icon{opacity:1;color:var(--text-primary)}.sidebar-close-button{display:none;background:none;border:none;color:var(--text-secondary);font-size:2rem;line-height:1;cursor:pointer;padding:0}.sidebar-close-button:hover{color:var(--text-primary)}@media (max-width: 768px){.sidebar{position:absolute;top:0;left:0;bottom:0;height:100%;z-index:20;transform:translate(-100%);transition:transform .3s ease-in-out}.app-container.sidebar-open .sidebar{transform:translate(0)}.sidebar-close-button{display:block}}.context-menu{position:absolute;right:1.5em;top:2.2em;min-width:120px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-md);z-index:10;display:flex;flex-direction:column;padding:.25em 0;animation:fadeIn .15s}@keyframes fadeIn{0%{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:translateY(0)}}.context-menu-item{background:none;border:none;text-align:left;padding:.5em 1em;color:var(--text-primary);font-size:1em;cursor:pointer;transition:background-color .15s}.context-menu-item:hover{background-color:#ffffff0d}.context-menu-item.delete{color:#ff5b5b}.context-menu-item.delete:hover{background:#ff5b5b;color:#fff}.rename-input{font-size:1em;padding:.2em .4em;background-color:#fff;color:#000;border:1px solid var(--primary-accent);border-radius:var(--radius-sm);width:80%}.rename-input::selection{background-color:var(--primary-accent);color:var(--text-primary)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#000000b3;display:flex;justify-content:center;align-items:center;z-index:1000;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.modal-content{background-color:var(--sidebar-bg);padding:var(--space-xl);border-radius:var(--radius-lg);border:1px solid var(--border-color);box-shadow:var(--shadow-lg);width:90%;max-width:400px;text-align:center;animation:modal-fade-in .3s ease-out}@keyframes modal-fade-in{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.modal-message{margin:0 0 var(--space-xl) 0;font-size:1.1rem;color:var(--text-primary)}.modal-actions{display:flex;justify-content:center;gap:var(--space-md)}.modal-button{padding:var(--space-sm) var(--space-xl);border-radius:var(--radius-md);border:1px solid var(--border-color);font-weight:600;cursor:pointer;transition:all .2s ease}.modal-button.cancel{background-color:transparent;color:var(--text-secondary)}.modal-button.cancel:hover{background-color:#ffffff0d;color:var(--text-primary)}.modal-button.confirm{background-color:var(--primary-accent);color:var(--text-primary);border-color:var(--primary-accent)}.modal-button.confirm:hover{background-color:var(--primary-accent-hover);border-color:var(--primary-accent-hover)}:root{--bg-gradient-start: #2D2A54;--bg-gradient-end: #1D1B36;--primary-container-bg: rgba(29, 27, 54, .5);--sidebar-bg: #1E1C3A;--primary-accent: #7B61FF;--primary-accent-hover: #6a50e0;--text-primary: #F0F0F0;--text-secondary: #A0A0B0;--text-muted: #6C6C8A;--border-color: rgba(123, 97, 255, .2);--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .15);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .2), 0 2px 4px -2px rgb(0 0 0 / .2);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .25), 0 4px 6px -4px rgb(0 0 0 / .25);--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;font-size:16px;line-height:1.6;color:var(--text-primary);background-color:var(--bg-gradient-end);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{width:100%;height:100vh;display:flex;justify-content:center;align-items:center;background:linear-gradient(135deg,var(--bg-gradient-start) 0%,var(--bg-gradient-end) 100%);padding:var(--space-md)}.app-container{display:flex;width:100%;height:100%;max-width:1200px;max-height:95vh;background-color:transparent;border-radius:var(--radius-2xl);box-shadow:none;border:none;overflow:hidden}.no-chat-selected{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;width:100%;color:var(--text-secondary)}@media (max-width: 768px){#root{padding:var(--space-sm)}body{font-size:14px}.app-container{max-height:100vh;border-radius:0}}.sidebar-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;z-index:15;opacity:0;transition:opacity .3s ease-in-out}@media (max-width: 768px){.app-container{max-height:100vh;border-radius:0}.app-container.sidebar-open .sidebar-overlay{display:block;opacity:1}}*{transition:color .2s ease,background-color .2s ease,border-color .2s ease,transform .2s ease}*:focus{outline:2px solid var(--primary-color);outline-offset:2px}button:focus{outline:none;box-shadow:0 0 0 3px #3b82f64d}input:focus{outline:none}::selection{background-color:#3b82f633;color:var(--text-primary)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-tertiary);border-radius:var(--radius-sm)}::-webkit-scrollbar-thumb{background:var(--border-medium);border-radius:var(--radius-sm);transition:background-color .2s ease}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}::-webkit-scrollbar-corner{background:var(--bg-tertiary)}.app-loading{display:flex;justify-content:center;align-items:center;height:100vh;background:linear-gradient(135deg,#667eea,#764ba2)}.app-loading:after{content:"";width:40px;height:40px;border:4px solid rgba(255,255,255,.3);border-top:4px solid white;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.mt-1{margin-top:var(--space-xs)}.mt-2{margin-top:var(--space-sm)}.mt-3{margin-top:var(--space-md)}.mt-4{margin-top:var(--space-lg)}.mt-5{margin-top:var(--space-xl)}.mb-1{margin-bottom:var(--space-xs)}.mb-2{margin-bottom:var(--space-sm)}.mb-3{margin-bottom:var(--space-md)}.mb-4{margin-bottom:var(--space-lg)}.mb-5{margin-bottom:var(--space-xl)}@media (max-width: 768px){.text-responsive{font-size:.9rem}}@media (max-width: 480px){.text-responsive{font-size:.85rem}}