:root{--messenger-bg: #000000;--messenger-surface: #18191a;--messenger-header-bg: rgba(24, 25, 26, .96);--messenger-input-bg: #242526;--messenger-hover-bg: rgba(255, 255, 255, .08);--messenger-blue: #0084ff;--messenger-blue-gradient: linear-gradient(135deg, #0084ff 0%, #0099ff 100%);--messenger-user-bubble: #0084ff;--messenger-incoming-bubble: #242526;--messenger-text-primary: #e4e6eb;--messenger-text-secondary: #b0b3b8;--messenger-text-muted: #8a8d91;--messenger-icon-color: #0084ff;--messenger-online-green: #31a24c;--border-subtle: rgba(255, 255, 255, .08);--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--header-height: 56px;--phone-width: 412px;--phone-height: 860px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}html,body{width:100%;height:100%;min-height:100dvh;background-color:#0d0e12;color:var(--messenger-text-primary);font-family:var(--font-family);font-size:15px;line-height:1.4;overflow:hidden;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}#root{width:100%;height:100%;display:flex;align-items:center;justify-content:center}.app-viewport{width:100%;height:100dvh;display:flex;justify-content:center;align-items:center;background:radial-gradient(circle at center,#151722,#08090d);padding:16px}.chat-layout-wrapper{position:relative;width:100%;max-width:var(--phone-width);height:100%;max-height:var(--phone-height);display:flex;flex-direction:column;background-color:var(--messenger-bg);border-radius:36px;border:4px solid #282a36;box-shadow:0 25px 60px #000000e6,0 0 0 1px #ffffff14;overflow:hidden}@media(max-width:480px),(max-height:700px){.app-viewport{padding:0;background:var(--messenger-bg)}.chat-layout-wrapper{max-width:100%;max-height:100dvh;height:100dvh;border-radius:0;border:none;box-shadow:none}}.chat-app-container{display:flex;flex-direction:column;height:100%;width:100%;position:relative;overflow:hidden;background:var(--messenger-bg)}.chat-header{height:var(--header-height);padding:env(safe-area-inset-top,0px) 10px 0 6px;min-height:var(--header-height);display:flex;align-items:center;justify-content:space-between;background:var(--messenger-header-bg);backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);border-bottom:1px solid rgba(255,255,255,.08);z-index:20}.header-left{display:flex;align-items:center;gap:6px}.messenger-back-btn{background:transparent;border:none;color:var(--messenger-icon-color);width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer}.header-avatar-btn{position:relative;width:38px;height:38px;border-radius:50%;padding:0;border:none;background:transparent;cursor:pointer;outline:none}.avatar-crossfade-container{position:relative;width:100%;height:100%;border-radius:50%;overflow:hidden}.avatar-img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;border-radius:50%;transition:opacity .45s ease-in-out;pointer-events:none}.avatar-img.active{opacity:1;z-index:2}.avatar-img.inactive{opacity:0;z-index:1}.online-indicator-dot{position:absolute;bottom:0;right:0;width:11px;height:11px;background-color:var(--messenger-online-green);border:2px solid var(--messenger-surface);border-radius:50%;z-index:5}.header-info{display:flex;flex-direction:column;-webkit-user-select:none;user-select:none}.header-name{font-size:.96rem;font-weight:600;color:var(--messenger-text-primary);line-height:1.2}.header-subtitle{font-size:.72rem;font-weight:400;color:var(--messenger-text-secondary)}.header-right{display:flex;align-items:center;gap:1px;position:relative}.messenger-action-icon{background:transparent;border:none;color:var(--messenger-icon-color);width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer}.header-dropdown-menu{position:absolute;top:44px;right:0;background:#242526;border:1px solid var(--border-subtle);border-radius:8px;padding:6px;min-width:160px;box-shadow:0 8px 24px #000000b3;z-index:50}.dropdown-item{width:100%;display:flex;align-items:center;gap:8px;padding:8px 10px;background:transparent;border:none;border-radius:6px;color:var(--messenger-text-primary);font-size:.85rem;cursor:pointer;text-align:left}.dropdown-item.danger{color:#fa3e3e}.message-list-container{flex:1;overflow-y:auto;position:relative;padding:10px 12px 6px;display:flex;flex-direction:column;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.15) transparent}.message-list-container::-webkit-scrollbar{width:4px}.message-list-container::-webkit-scrollbar-thumb{background:#ffffff26;border-radius:10px}.message-list-content{display:flex;flex-direction:column;gap:8px;min-height:100%;justify-content:flex-end}.messenger-profile-card{display:flex;flex-direction:column;align-items:center;text-align:center;padding:24px 12px 14px;margin-bottom:8px}.messenger-large-avatar-wrap{width:70px;height:70px;border-radius:50%;overflow:hidden;margin-bottom:10px}.messenger-large-avatar-img{width:100%;height:100%;object-fit:cover}.messenger-profile-card-name{font-size:1.18rem;font-weight:700;color:var(--messenger-text-primary);margin-bottom:2px}.messenger-profile-card-status{font-size:.8rem;color:var(--messenger-text-secondary);margin-bottom:2px}.messenger-profile-card-hint{font-size:.74rem;color:var(--messenger-text-muted)}.scroll-anchor{height:2px}.scroll-to-bottom-btn{position:absolute;bottom:12px;right:14px;width:32px;height:32px;border-radius:50%;background:#3a3b3c;border:1px solid var(--border-subtle);color:var(--messenger-text-primary);display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:10}.message-row{display:flex;align-items:flex-end;gap:6px;width:100%}.message-row.user{justify-content:flex-end}.message-row.assistant{justify-content:flex-start}.message-avatar-wrap{width:26px;height:26px;border-radius:50%;overflow:hidden;flex-shrink:0;margin-bottom:2px}.message-avatar-img{width:100%;height:100%;object-fit:cover}.message-content-group{display:flex;flex-direction:column;max-width:78%}.message-row.user .message-content-group{align-items:flex-end}.message-row.assistant .message-content-group{align-items:flex-start}.message-bubble{position:relative;padding:8px 12px;border-radius:18px;word-wrap:break-word;word-break:break-word;white-space:pre-wrap;line-height:1.35;font-size:.93rem}.user-bubble{background:var(--messenger-blue-gradient);color:#fff;border-bottom-right-radius:4px}.assistant-bubble{background:var(--messenger-incoming-bubble);color:var(--messenger-text-primary);border-bottom-left-radius:4px}.message-translation-box{margin-top:5px;padding-top:5px;border-top:1px solid rgba(255,255,255,.12);display:flex;align-items:flex-start;gap:5px;font-size:.83rem;color:#a8b3cf;font-style:italic;line-height:1.3}.translation-icon{font-size:.75rem;opacity:.75}.translation-text{flex:1}.messenger-seen-indicator{display:flex;justify-content:flex-end;margin-top:2px;font-size:.65rem;color:var(--messenger-text-secondary)}.typing-bubble{padding:8px 12px;min-width:48px;display:flex;align-items:center;justify-content:center}.typing-dots{display:flex;align-items:center;gap:3px}.typing-dots .dot{width:6px;height:6px;border-radius:50%;background-color:var(--messenger-text-secondary);display:inline-block;animation:messengerBounce 1.2s infinite ease-in-out both}.typing-dots .dot-1{animation-delay:-.32s}.typing-dots .dot-2{animation-delay:-.16s}@keyframes messengerBounce{0%,80%,to{transform:scale(.65);opacity:.4}40%{transform:scale(1.1);opacity:1}}.message-input-bar{padding:6px 8px calc(env(safe-area-inset-bottom,0px) + 8px) 8px;background:var(--messenger-bg);display:flex;align-items:center;gap:4px;z-index:20}.messenger-input-actions-left{display:flex;align-items:center;gap:1px}.messenger-tool-btn{background:transparent;border:none;color:var(--messenger-icon-color);width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer}.message-input-form{flex:1;display:flex;align-items:center;gap:6px}.input-field-wrapper{flex:1;display:flex;align-items:center;background:var(--messenger-input-bg);border-radius:20px;padding:5px 8px 5px 12px}.chat-textarea{flex:1;max-height:80px;background:transparent;border:none;outline:none;color:var(--messenger-text-primary);font-family:inherit;font-size:.92rem;line-height:1.35;resize:none}.messenger-emoji-btn{background:transparent;border:none;color:var(--messenger-icon-color);width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer}.messenger-like-btn,.send-button{background:transparent;border:none;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0}.profile-modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000eb;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);z-index:200;display:flex;align-items:center;justify-content:center;padding:16px}.profile-modal-content{position:relative;width:100%;max-width:380px;display:flex;flex-direction:column;align-items:center}.profile-modal-close{position:absolute;top:-42px;right:0;background:#ffffff26;border:none;color:#fff;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer}.profile-modal-header{text-align:center;margin-bottom:12px}.profile-modal-name{font-size:1.2rem;font-weight:700;color:#fff}.profile-modal-sub{font-size:.78rem;color:var(--messenger-text-secondary)}.profile-modal-image-wrapper{width:100%;max-height:65dvh;border-radius:12px;overflow:hidden;background:#000;display:flex;align-items:center;justify-content:center}.profile-modal-img{width:100%;height:100%;object-fit:contain}