:root{--bg-color: #f8f9fa;--glass-bg: rgba(255, 255, 255, .85);--glass-border: rgba(0, 0, 0, .05);--primary-color: #000000;--text-main: #333333;--text-secondary: #666666;--user-bubble-bg: #000000;--user-text: #ffffff;--ai-bubble-bg: #f3f3f3;--ai-text: #333333;--shadow-color: rgba(0, 0, 0, .08)}*{box-sizing:border-box}body{margin:0;padding:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:#f8f9fa;color:var(--text-main);min-height:100vh;display:flex;justify-content:center;align-items:center}.app-container{width:100vw;height:100vh;margin:0;padding:0;display:flex;flex-direction:column;position:relative;overflow:hidden}.chat-interface{flex:1;display:flex;flex-direction:column;background:transparent;margin:0;border-radius:0;border:none;box-shadow:none;overflow:hidden}.chat-header{padding:24px;border-bottom:1px solid var(--glass-border);display:flex;align-items:center;justify-content:center;background:#ffffff80}.chat-header h1{margin:0;font-size:1.5rem;color:var(--primary-color);font-weight:700;letter-spacing:-.5px}.messages-area{flex:1;overflow-y:auto;padding:30px;display:flex;flex-direction:column;gap:24px}.message{display:flex;gap:16px;max-width:80%;animation:fadeIn .4s cubic-bezier(.16,1,.3,1)}.message.user{align-self:flex-end;flex-direction:row-reverse}.message.assistant{align-self:flex-start}.avatar{width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0;box-shadow:0 4px 12px #0000000d}.user .avatar{background:var(--user-bubble-bg);color:#fff}.assistant .avatar{background:#fff;border:1px solid var(--glass-border)}.content{padding:14px 20px;border-radius:18px;line-height:1.6;font-size:.98rem;box-shadow:0 2px 8px #00000005}.user .content{background:var(--user-bubble-bg);color:var(--user-text);border-bottom-right-radius:4px}.assistant .content,.friend .content{background:var(--ai-bubble-bg);color:var(--ai-text);border-bottom-left-radius:4px}.input-area{padding:24px;background:#fff;border-top:1px solid var(--glass-border);display:flex;gap:12px}.input-container{flex:1;position:relative;display:flex;align-items:center;gap:10px}.chat-input{width:100%;padding:16px 20px;border-radius:16px;border:2px solid #eee;background:#f8f9fa;color:var(--text-main);font-size:1rem;outline:none;transition:all .2s ease}.chat-input:focus{background:#fff;border-color:var(--primary-color);box-shadow:0 0 0 3px #0000000d}.send-button{background:var(--primary-color);border:none;border-radius:14px;width:52px;height:52px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:#fff;transition:all .2s ease}.send-button:disabled{background:#ccc;cursor:not-allowed}.send-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px #00000026}.loading-container{display:flex;align-items:center;gap:10px}.loading-circle{width:20px;height:20px;border:2px solid #ddd;border-top-color:var(--primary-color);border-radius:50%;animation:spin 1s infinite linear}.loading-text{font-size:.9rem;color:var(--text-secondary);font-weight:500}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideDownEnter{0%{opacity:0;transform:translateY(-40px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.content h1,.content h2,.content h3{margin-top:0}.content p{margin:.5em 0}.content code{background:#0000000d;padding:2px 5px;border-radius:4px;font-family:monospace;font-size:.9em}.content pre{background:#2d2d2d;color:#fff;padding:15px;border-radius:12px;overflow-x:auto}.hero-container{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:40px;text-align:center;animation:fadeIn .5s ease-out;position:relative;width:100%}.hero-logo{position:absolute;top:24px;left:32px;height:60px;width:auto;object-fit:contain}.hero-profile{position:absolute;top:24px;right:32px;width:40px;height:40px;border-radius:50%;overflow:hidden;border:1px solid #ddd;cursor:pointer;background:#eee;display:flex;align-items:center;justify-content:center}.hero-profile svg{color:#666}.greeting-area{margin:0 auto 40px;text-align:left;width:100%;max-width:900px;transition:opacity .5s ease,transform .5s ease;opacity:1;transform:translateY(0)}.greeting-area.fade-out{opacity:0;transform:translateY(-20px);pointer-events:none}.hero-input-container{transition:all .6s cubic-bezier(.25,1,.5,1)}.hero-input-container.messenger-move-down{transform:translateY(var(--target-translate-y, 40vh))}.hero-input-container.messenger-move-down .input-content-area{padding:10px 20px}.greeting-text{font-size:2.2rem;line-height:1.3;margin-bottom:4px}.greeting-highlight{background:linear-gradient(90deg,#4285f4,#9b72cb,#d96570);-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-weight:600;display:block}.greeting-main{color:#9aa0a6;font-weight:400;display:block}.hero-input-container{width:100%;max-width:900px;margin:0 auto;position:relative;background:#fff;border-radius:28px;border:2px solid #e0e0e0;padding:0;display:flex;flex-direction:column;transition:all .5s cubic-bezier(.4,0,.2,1);min-height:120px;box-shadow:0 4px 6px #00000005,0 1px 10px #0000000d}.hero-input-container:focus-within{box-shadow:0 8px 12px #0000000d,0 4px 16px #00000014;border-color:#d0d0d0;background:#fff}.input-content-area{padding:20px 24px 8px;flex:1}.hero-input{width:100%;border:none;font-size:1.1rem;outline:none;color:#333;background:transparent;padding:0;line-height:1.5}.hero-input::placeholder{color:#888;font-weight:400}.input-actions-row{padding:8px 16px 12px;display:flex;justify-content:space-between;align-items:center}.action-left,.action-right{display:flex;align-items:center;gap:8px}.icon-btn.round-btn{width:40px;height:40px;border-radius:50%;color:#444746}.icon-btn.round-btn:hover{background:#f0f4f9;color:#1f1f1f}.icon-btn.send-btn{width:40px;height:40px;border-radius:50%;background:transparent;color:#0b57d0;display:flex;align-items:center;justify-content:center}.icon-btn.send-btn:hover{background:#e8f0fe}.tool-btn{display:flex;align-items:center;gap:6px;padding:8px 16px;border-radius:100px;border:none;background:transparent;color:#444746;font-size:.9rem;font-weight:500;cursor:pointer;transition:background .2s}.tool-btn:hover{background:#f0f4f9;color:#1f1f1f}.input-actions{display:flex;justify-content:space-between;align-items:center}.action-left,.action-right{display:flex;gap:8px;color:#666}.icon-btn{padding:10px;border-radius:50%;cursor:pointer;transition:background .2s;display:flex;align-items:center;justify-content:center;border:none;background:transparent;color:#5f6368}.icon-btn:hover{background:#f0f0f0}.icon-btn.send-active{color:var(--primary-color);background:#e8f0fe}.suggestion-chips{margin-top:40px;display:flex;gap:10px;flex-wrap:wrap;justify-content:center}.chip{background:#f0f4f9;padding:10px 18px;border-radius:100px;font-size:.9rem;color:#444746;border:none;cursor:pointer;display:flex;align-items:center;gap:8px;font-weight:500;transition:background .2s}.chip:hover{background:#e1e5ea}.chat-input-fixed-bottom{position:fixed;bottom:0;left:0;width:100%;padding:20px 0 40px;background:#f8f9fa;display:flex;justify-content:center;z-index:100}.chat-input-wrapper{width:100%;max-width:900px;margin:0 auto;position:relative;background:#fff;border-radius:28px;padding:0;display:flex;flex-direction:column;transition:all .2s;border:2px solid #e0e0e0;min-height:120px;box-shadow:0 4px 6px #00000005,0 1px 10px #0000000d}.chat-input-wrapper:focus-within{box-shadow:0 8px 12px #0000000d,0 4px 16px #00000014;border-color:#d0d0d0;background:#fff}.chat-input-wrapper.ai-mode-glow,.hero-input-container.ai-mode-glow{border:2px solid transparent;background-image:linear-gradient(#fff,#fff),linear-gradient(90deg,#4285f4,#9b72cb,#d96570);background-origin:border-box;background-clip:padding-box,border-box;box-shadow:0 4px 20px #4285f426}.chat-input-wrapper.ai-mode-glow:focus-within,.hero-input-container.ai-mode-glow:focus-within{box-shadow:0 8px 30px #4285f440}.input-content-area-chat{padding:20px 24px 8px;flex:1;display:flex}.chat-input-field{flex:1;border:none;background:transparent;outline:none;font-size:1rem;color:#333;padding:0;min-height:24px;line-height:1.5;resize:none;overflow:hidden;font-family:inherit;display:block}.chat-input-wrapper .input-actions-row{padding:8px 16px 16px}.chat-messages-scroll{flex:1;overflow-y:auto;padding:120px 0 180px;display:flex;flex-direction:column;gap:30px;width:100%;max-width:900px;margin:0 auto}.chat-mode-container .message{max-width:100%;animation:none!important;transition:none!important}.chat-mode-container .message-avatar{animation:none!important;transition:none!important}.chat-mode-container .message.user{display:flex}.chat-mode-container .message.assistant .avatar{background:transparent;border:none;box-shadow:none}.chat-mode-container .message.assistant .avatar svg{color:#4285f4}.chat-disclaimer{position:fixed;bottom:10px;width:100%;text-align:center;font-size:.75rem;color:#888;pointer-events:none;z-index:101}.chat-input-field{resize:none;overflow:hidden;font-family:inherit;line-height:1.5;padding-top:2px}.chat-input-field{padding-top:4px}.chat-mode-container{display:flex;flex-direction:column;height:100vh;position:relative}.chat-mode-logo{position:absolute;top:24px;left:32px;height:60px;width:auto;z-index:10;cursor:pointer}.chat-header-name{position:absolute;left:0;right:0;width:100%;max-width:900px;margin:0 auto;padding:28px 20px 0;display:flex;justify-content:flex-start;align-items:center;gap:12px;background-color:var(--bg-color);height:80px;top:0;font-size:1.5rem;font-weight:700;color:#333;z-index:10;animation:none!important;transition:none!important;pointer-events:none}.header-avatar{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 5px #0000001a;animation:none!important;transition:none!important}.header-avatar svg{animation:none!important;transition:none!important}@keyframes inputDrop{0%{transform:translateY(-30vh);opacity:0}to{transform:translateY(0);opacity:1}}.chat-entrance-animation{animation:inputDrop .6s cubic-bezier(.16,1,.3,1)}.chat-input-fixed-bottom.no-animation{animation:none!important;transition:none!important}.chat-messages-scroll{animation:fadeIn .8s ease-out}@keyframes slideUpReturn{0%{transform:translateY(40vh);opacity:0}to{transform:translateY(0);opacity:1}}.hero-input-container.animate-return{animation:slideUpReturn .6s cubic-bezier(.16,1,.3,1);will-change:transform,opacity;transition:transform .6s,opacity .6s!important}.chat-input-field{line-height:1.5}.content{padding:10px 18px!important}.chat-input-field{padding-top:2px!important;line-height:1.4;margin-top:-2px}.chat-messages-scroll{-ms-overflow-style:none;scrollbar-width:none}.chat-messages-scroll::-webkit-scrollbar{display:none}.logo-container{position:absolute;top:24px;left:32px;display:flex;align-items:center;gap:12px;z-index:10}.logo-text{font-size:1.5rem;font-weight:600;color:#333;font-family:Inter,sans-serif}.user .content{background-color:#e5e7eb!important;color:#000!important;border:none!important}.logo-container,.logo-text{display:none!important}.content,.user .content,.assistant .content{padding:10px 18px!important;line-height:1.5!important;min-height:24px}.chat-mode-logo:hover{opacity:.8}.friend-list-container{position:fixed;right:32px;top:24px;bottom:24px;transform:none;width:260px;height:auto;min-height:0;background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:20px;box-shadow:0 8px 32px #00000014;z-index:1000;display:flex;flex-direction:column;border:1px solid rgba(255,255,255,.5);overflow:hidden;transition:all .3s ease}.friend-list-container:hover{box-shadow:0 12px 48px #0000001f;transform:none}.friend-list-header{padding:20px 24px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #f0f0f0}.friend-list-header h3{margin:0;font-size:1rem;font-weight:600;color:#333}.friend-count{background:#f0f0f0;padding:2px 8px;border-radius:12px;font-size:.8rem;color:#666;font-weight:500}.friend-list-scroll{padding:12px;overflow-y:auto;flex:1}.friend-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:12px;cursor:pointer;transition:background .2s}.friend-item:hover{background:#f5f7fa}.friend-avatar{width:36px;height:36px;border-radius:50%;display:flex;justify-content:center;align-items:center;position:relative}.status-dot{position:absolute;bottom:0;right:0;width:10px;height:10px;border-radius:50%;background:#22c55e;border:2px solid white}.friend-info{display:flex;flex-direction:column}.friend-name{font-size:.9rem;font-weight:500;color:#333}.friend-status{font-size:.75rem;color:#888}.friend-status.online{color:#22c55e}.friend-list-scroll::-webkit-scrollbar{width:4px}.friend-list-footer{padding:12px;border-top:1px solid #f0f0f0;margin-top:auto;background:#ffffff80}.friend-item.me-profile:hover{background:#eef2ff}.message{position:relative;align-items:center}.reply-quote-block{margin-bottom:8px;padding:8px 10px;background:#0000000d;border-left:3px solid rgba(0,0,0,.2);border-radius:4px;font-size:.8rem;display:flex;flex-direction:column;gap:2px;max-width:100%}.reply-to-name{font-weight:600;font-size:.75rem;opacity:.7;margin-bottom:2px}.reply-to-content{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;opacity:.85}.message.user .reply-quote-block{background:#ffffff26;border-left-color:#ffffff80;color:#fffffff2}.message.user .reply-to-name,.message.user .reply-to-content{color:#fffffff2}.message.friend .reply-quote-block{background:#0000000a;border-left-color:#ccc;color:#444}.reply-action-btn{width:30px;height:30px;border-radius:50%;background:#fff;border:1px solid #eee;display:flex;align-items:center;justify-content:center;color:#666;cursor:pointer;opacity:0;transition:all .2s cubic-bezier(.4,0,.2,1);margin-left:10px;flex-shrink:0;box-shadow:0 2px 6px #0000000f;transform:scale(.9)}.reply-action-btn:hover{background:#f8f9fa;color:#333;transform:scale(1);box-shadow:0 4px 8px #0000001a}.message:hover .reply-action-btn{opacity:1;transform:scale(1)}body,#root,.chat-mode-container{overflow-x:hidden!important;max-width:100vw!important}.chat-messages-scroll{overflow-x:hidden!important;width:100%!important;padding-left:20px!important;padding-right:20px!important;box-sizing:border-box!important}