@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg-primary:#f8fafc;--bg-secondary:#fff;--bg-sidebar:#f1f5f9;--text-primary:#0f172a;--text-secondary:#475569;--accent-color:#3b82f6;--accent-hover:#2563eb;--border-color:#e2e8f0;--shadow-sm:0 1px 3px #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--shadow-popup:0 10px 15px -3px #0000001a, 0 4px 6px -2px #0000000d;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-full:9999px;--transition:all .25s cubic-bezier(.4, 0, .2, 1)}.dark{--bg-primary:#212121;--bg-secondary:#2f2f2f;--bg-sidebar:#171717;--text-primary:#ececec;--text-secondary:#b4b4b4;--accent-color:#3b82f6;--accent-hover:#2563eb;--border-color:#3d3d3d;--shadow-sm:0 1px 3px #00000080;--shadow-md:0 4px 6px -1px #0009;--shadow-popup:0 10px 15px -3px #000c}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-primary);transition:var(--transition);-webkit-font-smoothing:antialiased;font-family:Inter,system-ui,-apple-system,sans-serif;overflow:hidden}button{cursor:pointer;background:0 0;border:none;font-family:inherit}.glass{-webkit-backdrop-filter:blur(12px);background:#ffffffb3;border:1px solid #fff3}.dark .glass{background:#1e1e1e99;border:1px solid #ffffff0d}.app-container{width:100vw;height:100vh;display:flex;position:relative}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background-color:var(--border-color);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background-color:var(--text-secondary)}.typing-indicator{align-items:center;gap:4px;padding:8px 12px;display:flex}.typing-dot{background-color:var(--text-secondary);border-radius:50%;width:6px;height:6px;animation:1.4s ease-in-out infinite both typing}.typing-dot:first-child{animation-delay:-.32s}.typing-dot:nth-child(2){animation-delay:-.16s}.typing-dot:nth-child(3){animation-delay:0s}@keyframes typing{0%,80%,to{opacity:.5;transform:scale(0)}40%{opacity:1;transform:scale(1)}}@keyframes fadeInSlideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-message{animation:.3s cubic-bezier(.175,.885,.32,1.275) forwards fadeInSlideUp}.sidebar{background-color:var(--bg-sidebar);border-right:1px solid var(--border-color);width:280px;height:100%;transition:var(--transition);z-index:10;flex-direction:column;flex-shrink:0;display:flex}.sidebar-header{flex-direction:column;gap:20px;padding:20px;display:flex}.sidebar-title{color:var(--text-primary);align-items:center;gap:10px;font-size:1.25rem;font-weight:700;display:flex}.logo-icon{width:24px;height:24px;color:var(--accent-color)}.new-chat-btn{background-color:var(--accent-color);color:#fff;border-radius:var(--radius-md);transition:var(--transition);box-shadow:var(--shadow-sm);justify-content:center;align-items:center;gap:8px;padding:12px;font-weight:500;display:flex}.new-chat-btn:hover{background-color:var(--accent-hover);box-shadow:var(--shadow-md);transform:translateY(-1px)}.new-chat-btn svg{width:18px;height:18px}.chats-list{flex-direction:column;flex:1;gap:4px;padding:0 12px;display:flex;overflow-y:auto}.empty-state{text-align:center;color:var(--text-secondary);padding:20px 8px;font-size:.875rem;font-style:italic}.chat-item{border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);color:var(--text-primary);group:chat-item;justify-content:space-between;align-items:center;padding:12px;display:flex}.chat-item:hover{background-color:#0000000d}.dark .chat-item:hover{background-color:#ffffff0d}.chat-item.active{color:var(--accent-color);background-color:#3b82f61a}.dark .chat-item.active{color:var(--accent-hover);background-color:#6366f126}.chat-item-content{align-items:center;gap:12px;display:flex;overflow:hidden}.chat-icon{opacity:.7;flex-shrink:0;width:18px;height:18px}.chat-title{white-space:nowrap;text-overflow:ellipsis;max-width:160px;font-size:.9rem;overflow:hidden}.delete-btn{color:var(--text-secondary);opacity:0;transition:var(--transition);border-radius:var(--radius-sm);justify-content:center;align-items:center;padding:4px;display:flex}.chat-item:hover .delete-btn{opacity:1}.delete-btn:hover{color:#ef4444;background-color:#ef44441a}.delete-btn svg{width:16px;height:16px}.sidebar-footer{border-top:1px solid var(--border-color);padding:20px}.theme-toggle{border-radius:var(--radius-md);width:100%;color:var(--text-secondary);transition:var(--transition);align-items:center;gap:12px;padding:12px;font-weight:500;display:flex}.theme-toggle:hover{color:var(--text-primary);background-color:#0000000d}.dark .theme-toggle:hover{background-color:#ffffff0d}.theme-toggle svg{width:18px;height:18px}@media (width<=768px){.sidebar{position:absolute;transform:translate(-100%)}}.message-wrapper{gap:16px;max-width:85%;margin-bottom:24px;display:flex}.user-wrapper{justify-content:flex-end;margin-left:auto}.bot-wrapper{margin-right:auto}.avatar{width:36px;height:36px;box-shadow:var(--shadow-sm);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.avatar svg{width:20px;height:20px}.bot-avatar{background:linear-gradient(135deg, var(--accent-color), var(--accent-hover));color:#fff}.user-avatar{background-color:var(--bg-secondary);border:1px solid var(--border-color);color:var(--text-secondary)}.bubble{border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);word-break:break-word;padding:16px;font-size:.95rem;line-height:1.6;position:relative}.user-bubble{background-color:var(--accent-color);color:#fff;border-bottom-right-radius:4px}.dark .user-bubble{color:#ececec;background-color:#3d3d3d;border:1px solid #4d4d4d}.bot-bubble{background-color:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-color);border-bottom-left-radius:4px}.dark .bot-bubble{box-shadow:none;background-color:#0000;border:none}.image-bubble{box-shadow:none;background-color:#0000;border:none;padding:8px}.bot-bubble.image-bubble{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:12px}.text-content{white-space:pre-wrap}.image-container{border-radius:var(--radius-md);background-color:#00000005;justify-content:center;align-items:center;min-width:200px;min-height:200px;display:flex;overflow:hidden}.dark .image-container{background-color:#ffffff05}.generated-image{object-fit:contain;border-radius:var(--radius-md);max-width:100%;max-height:500px;box-shadow:var(--shadow-md);transition:transform .3s}.generated-image:hover{transform:scale(1.02)}.image-loading{color:var(--text-secondary);flex-direction:column;align-items:center;gap:12px;font-size:.9rem;display:flex}.spinner{border:3px solid #3b82f64d;border-top-color:var(--accent-color);border-radius:50%;width:40px;height:40px;animation:1s ease-in-out infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (width<=768px){.message-wrapper{max-width:95%}}.input-bar-container{z-index:10;background:0 0;flex-direction:column;align-items:center;padding:20px;display:flex;position:relative}.input-form{border-radius:var(--radius-lg);width:100%;max-width:800px;box-shadow:var(--shadow-md);transition:var(--transition);align-items:flex-end;gap:12px;padding:12px 16px;display:flex}.input-form:focus-within{box-shadow:var(--shadow-popup);border-color:#3b82f666}.mode-toggle-btn{border-radius:var(--radius-md);width:40px;height:40px;color:var(--text-secondary);background-color:var(--bg-sidebar);transition:var(--transition);flex-shrink:0;justify-content:center;align-items:center;margin-bottom:2px;display:flex}.mode-toggle-btn:hover{color:var(--text-primary);background-color:#0000000d}.dark .mode-toggle-btn:hover{background-color:#ffffff1a}.mode-toggle-btn.active-image{color:#8b5cf6;background-color:#8b5cf61a}.mode-toggle-btn svg{width:20px;height:20px}.chat-input{color:var(--text-primary);resize:none;background:0 0;border:none;outline:none;flex:1;min-height:44px;max-height:200px;padding:10px 0;font-family:inherit;font-size:1rem;line-height:1.5}.chat-input::placeholder{color:var(--text-secondary);opacity:.7}.send-btn{border-radius:var(--radius-md);background-color:var(--bg-sidebar);width:44px;height:44px;color:var(--text-secondary);transition:var(--transition);flex-shrink:0;justify-content:center;align-items:center;margin-bottom:0;display:flex}.send-btn.active{background-color:var(--accent-color);color:#fff;box-shadow:var(--shadow-sm)}.send-btn.active:hover{background-color:var(--accent-hover);box-shadow:var(--shadow-md);transform:translateY(-2px)}.send-btn:disabled{cursor:not-allowed;opacity:.6}.send-btn svg{width:20px;height:20px}.generating-icon{animation:2s linear infinite spin}.input-footer{color:var(--text-secondary);text-align:center;margin-top:10px;font-size:.75rem}.chat-window{background-color:var(--bg-primary);flex-direction:column;flex:1;height:100%;display:flex;position:relative}.chat-window.empty{justify-content:center;align-items:center}.welcome-container{flex-direction:column;align-items:center;gap:60px;width:100%;max-width:900px;padding:40px 20px;display:flex}.welcome-message{border-radius:var(--radius-lg);text-align:center;margin-bottom:20px;padding:40px 60px;animation:.6s ease-out fadeInSlideUp}.welcome-icon{margin-bottom:24px;font-size:3.5rem}.welcome-message h2{color:var(--text-primary);letter-spacing:-.025em;margin-bottom:16px;font-size:2.75rem;font-weight:700}.welcome-message p{color:var(--text-secondary);opacity:.8;max-width:500px;margin:0 auto;font-size:1.15rem}.chat-header{border-bottom:1px solid var(--border-color);z-index:5;justify-content:space-between;align-items:center;padding:16px 24px;display:flex}.chat-header h2{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;max-width:60%;margin:0;font-size:1.125rem;font-weight:600;overflow:hidden}.chat-status{font-size:.875rem}.status-generating{color:var(--accent-color);align-items:center;gap:6px;display:flex}.status-ready{color:var(--text-secondary);align-items:center;gap:6px;display:flex}.dot{border-radius:50%;width:8px;height:8px;display:inline-block}.dot.ready{background-color:#10b981}.dot.animate-pulse{background-color:var(--accent-color);animation:2s cubic-bezier(.4,0,.6,1) infinite pulse}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.chat-messages{flex-direction:column;flex:1;padding:24px;display:flex;position:relative;overflow-y:auto}.messages-list{width:100%;max-width:900px;margin:0 auto}.empty-chat-state{flex:1;justify-content:center;align-items:center;height:100%;display:flex}.chat-greeting h1{color:var(--text-primary);opacity:.95;letter-spacing:-.025em;text-align:center;font-size:2.75rem;font-weight:700}.suggestion-cards{flex-wrap:wrap;justify-content:center;gap:16px;max-width:850px;display:flex}.suggestion-cards.landing{animation:.8s ease-out fadeInSlideUp}.card{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);cursor:pointer;width:260px;transition:var(--transition);box-shadow:var(--shadow-sm);flex-direction:column;gap:8px;padding:24px;display:flex}.card:hover{box-shadow:var(--shadow-md);border-color:var(--accent-color);transform:translateY(-4px)}.card h3{color:var(--text-primary);margin:0;font-size:1.1rem;font-weight:500}.card p{color:var(--text-secondary);margin:0;font-size:.9rem;line-height:1.4}.chat-input-area{z-index:10;padding-bottom:12px}