body{margin:0;font-family:Roboto,Arial,sans-serif;height:100vh;overflow:hidden;background:#fff}.login-page{display:flex;justify-content:center;flex-direction:column}.container{display:flex;height:100vh;background:#fff}.sidebar{width:250px;background:#fff;border-right:1px solid #e0e0e0;display:flex;flex-direction:column;box-shadow:2px 0 8px #e0e0e0a0;transition:opacity .3s ease}.sidebar-user{display:flex;align-items:center;padding:17.2px 18px 10px 17px;background:#fff;border-bottom:1px solid #dcdcdc;position:relative}.settings-btn{margin-left:auto;background:none;border:none;cursor:pointer;padding:4px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background-color .2s ease}.settings-btn:hover{background:#f5f5f5}.settings-btn svg{display:block}.settings-sidebar{width:250px;background:#fff;border-right:1px solid #e0e0e0;display:flex;flex-direction:column;box-shadow:2px 0 10px #e0e0e0a0;position:absolute;top:0;left:0;height:100%;z-index:1000;transform:translate(-100%);transition:transform .3s cubic-bezier(.4,0,.2,1)}.settings-sidebar.open{transform:translate(0)}.settings-header{display:flex;align-items:center;padding:19.2px 18px 18px 12px;background:#fff;border-bottom:1px solid #dcdcdc;position:relative}.settings-back-btn{background:none;border:none;cursor:pointer;padding:4px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background-color .2s ease;margin-right:12px}.settings-back-btn:hover{background:#f5f5f5}.settings-title{font-size:1.3rem;font-weight:600;margin:0;color:#30a8f7}.settings-content{flex:1;padding:20px;overflow-y:auto;background:#fff}.settings-section{margin-bottom:24px}.settings-section-title{font-size:1.1rem;font-weight:600;margin-bottom:12px;color:#222;border-bottom:1px solid #f0f0f0;padding-bottom:8px}.settings-item{display:flex;align-items:center;justify-content:space-between;font-size:1rem;color:#222;margin-bottom:12px;padding:8px 0}.settings-item-label{flex:1;margin-right:12px}.settings-item-description{font-size:.9rem;color:#666;margin-top:4px}npx browserify ChatCrypt.cjs -o ChatCrypt.js .language-current{font-weight:500;color:#30a8f7;font-size:.85rem;letter-spacing:.3px}.settings-item .switch+.language-indicator{display:none}.language-selector{position:relative}.language-select{background:#fff;border:1px solid #e0e0e0;border-radius:8px;padding:8px 32px 8px 12px;font-size:14px;color:#333;cursor:pointer;outline:none;appearance:none;-webkit-appearance:none;-moz-appearance:none;min-width:120px;transition:border-color .2s ease,box-shadow .2s ease;background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");background-repeat:no-repeat;background-position:right 8px center;background-size:16px}.language-select:hover{border-color:#30a8f7}.language-select:focus{border-color:#30a8f7;box-shadow:0 0 0 3px #30a8f71a}.language-select option{padding:8px 12px;color:#333;background:#fff}.language-select option:hover{background:#f5f5f5}.theme-selector{display:flex;gap:12px;overflow-x:auto;padding:8px 4px;border-radius:8px;background:#f8f9fa;scrollbar-width:none;-ms-overflow-style:none;cursor:grab}.theme-selector.dragging{cursor:grabbing;-webkit-user-select:none;user-select:none}.theme-item{flex-shrink:0;width:70px;height:70px;border-radius:12px;border:3px solid transparent;cursor:pointer;transition:all .3s ease;-webkit-user-select:none;user-select:none;background-size:cover!important;background-position:center!important;background-repeat:no-repeat!important;position:relative;overflow:hidden}.theme-item:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:#ffffff1a;border-radius:9px;transition:all .3s ease}.theme-item:hover{border-color:#30a8f7;transform:translateY(-2px);box-shadow:0 4px 12px #30a8f740}.theme-item:hover:before{background:#30a8f71a}.theme-item.active{border-color:#30a8f7;box-shadow:0 0 0 2px #30a8f74d}.theme-item.active:before{background:#30a8f726}.settings-panel,.settings-panel-card,.settings-panel-card.open-anim,.settings-panel-card.close-anim{display:none!important}.switch{position:relative;display:inline-block;width:38px;height:22px}.switch input{opacity:0;width:0;height:0}.slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background:#e0e0e0;border-radius:22px;transition:background-color .3s ease}.slider:before{position:absolute;content:"";height:16px;width:16px;left:3px;bottom:3px;background:#fff;border-radius:50%;box-shadow:0 1px 4px #0001;transition:transform .3s ease}.switch input:checked+.slider{background:#30a8f7}.switch input:checked+.slider:before{transform:translate(16px)}.settings-close{position:absolute;right:18px;top:14px;background:none;border:none;font-size:1.7rem;color:#888;cursor:pointer;z-index:3;line-height:1;border-radius:50%;transition:background-color .2s ease,color .2s ease}.settings-close:hover{background:#f5f5f5;color:#30a8f7}.sidebar .join-room{display:flex;align-items:center;justify-content:flex-start;padding:18px 0;background:#fff;border-bottom:1px solid #e0e0e0;font-size:1.13rem;font-weight:600;letter-spacing:1px;cursor:pointer;-webkit-user-select:none;user-select:none;transition:background-color .2s ease}.sidebar .join-room input,.sidebar .join-room .menu-icon{display:none!important}.sidebar .join-room:hover{background:#f5f5f5}.sidebar .rooms{flex:1;overflow-y:auto;background:#fff}.room{display:flex;align-items:center;padding:20px 15px;border-bottom:2px solid #ededed3b;cursor:pointer;background:#fff;border-radius:10px;margin:6px 8px;box-sizing:border-box;position:relative;box-shadow:none;transition:background-color .2s ease,box-shadow .2s ease}.room.active,.room.active:hover{background:#7bc0ff}.room:hover:not(.active){background:#f5f5f5}.room .info{flex:1}.room .title{font-weight:500;font-size:16px}.room .lastmsg{font-size:13px;color:#888;margin-top:2px}.room .time{font-size:12px;color:#999}.room .unread{background:#30a8f7;color:#fff;font-size:12px;border-radius:10px;padding:2px 7px;margin-left:8px;min-width:20px;text-align:center}.room-unread-badge{position:absolute;right:18px;top:50%;transform:translateY(-50%);min-width:22px;height:22px;background:linear-gradient(135deg,#ff3b30 60%,#ff5e62);color:#fff;font-size:13px;font-weight:700;border-radius:50%;display:flex;align-items:center;justify-content:center;letter-spacing:.5px;z-index:2;-webkit-user-select:none;user-select:none;pointer-events:none;transition:transform .3s ease,opacity .3s ease}.room:not(.active) .room-unread-badge{animation:badge-pop .4s cubic-bezier(.68,-.55,.265,1.55)}@keyframes badge-pop{0%{transform:scale(.3) translateY(-50%);opacity:0}50%{transform:scale(1.1) translateY(-50%);opacity:1}to{transform:scale(1) translateY(-50%);opacity:1}}.main{display:flex;flex-direction:column;background-size:100% 100%;position:relative;flex:2.5}.main:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:url(./wallpaper-1-BLlcesUh.webp) left top / auto 100% repeat-x;opacity:.15;mix-blend-mode:multiply;pointer-events:none;z-index:0}.main-header{display:flex;align-items:center;padding:14.6px;background:#fff;justify-content:space-between;min-height:30px;position:relative;z-index:3}.main-header .group-title{font-weight:700;font-size:18px;margin-left:16px;color:#222}.main-header-right,.main-header-actions{position:relative;display:flex;align-items:center;height:100%}.pinned{padding:2px 24px;background:#fff;font-size:13px;color:#2a5d8f;border-bottom:1px solid #eee;min-height:18px;border-left:4px solid #30a8f7;font-weight:500}.chat-area{flex:1;overflow-y:auto;padding:15px;display:flex;flex-direction:column;background:none;z-index:1}.bubble{max-width:80%;padding:12px 18px;border-radius:13px;margin-bottom:.375rem;font-size:15px;line-height:1.6;position:relative;word-break:break-all;display:flex;flex-direction:column}.bubble-content{display:block;word-break:break-all}.bubble-meta{font-size:12px;color:#999;margin-left:0;align-self:flex-end;position:absolute;right:3px;bottom:7px;display:inline-block;background:transparent;line-height:1}.bubble.me{background:#e3fee0;color:#222;margin-left:auto;border-bottom-right-radius:0;padding:10px 39px 7px 10px}.bubble.other{background:#fff;max-width:100%;color:#222;border-bottom-left-radius:0;margin-left:0;padding:1px 40px 5px 10px}.bubble.other .bubble-meta{right:4px}.bubble .bubble-meta{font-size:12px;color:#999;text-align:right}.bubble:has(.file-message) .bubble-meta{position:static;margin-left:0;align-self:flex-end;text-align:right}.bubble.me:has(.file-message){padding:10px 10px 7px}.bubble.other:has(.file-message){padding:1px 10px 5px}.bubble.file-bubble .bubble-meta{position:static;margin-left:0;align-self:flex-end;text-align:right}.bubble.me.file-bubble{padding:10px 10px 7px}.bubble.other.file-bubble{padding:1px 10px 5px}.bubble-other-wrap{display:flex;align-items:flex-end;position:relative;z-index:2;margin-bottom:.375rem}.bubble-other-main{display:flex;flex-direction:column;align-items:flex-start}.bubble-other-name{font-size:13px;color:#30a8f7;font-weight:500;margin-left:-5px}:root{--chat-input-border-radius: 1rem;--chat-input-size: 3.25rem;--chat-input-inner-padding: 1.25rem;--surface-color: #fff}.chat-input-area{display:flex;justify-content:center;align-items:flex-end;padding:3px 30px 17px;background:none}.rows-wrapper{transform:translate(0) scaleX(1);border-end-end-radius:0;min-height:37px;max-height:none}.chat-input-wrapper{--padding-vertical: .6rem;--padding-horizontal: var(--chat-input-inner-padding);--padding: var(--padding-vertical) var(--padding-horizontal);--button-size: 2.125rem;--button-horizontal-margin: .125rem;display:flex;align-items:center;flex-direction:column;width:80%;justify-content:center;border-radius:var(--chat-input-border-radius);min-height:37px;max-height:none;flex:0 0 auto;position:relative;z-index:3;background:none}.chat-input-wrapper:before{content:" ";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:inherit;box-shadow:0 1px 8px 1px #0000001f;background-color:var(--surface-color);opacity:1;z-index:-1}.bubble-tail{position:absolute;left:12px;bottom:0;fill:#fff;z-index:2;display:none}.new-message-wrapper{display:flex;align-items:flex-end;width:100%;padding:var(--padding);position:relative}.btn-icon.toggle-emoticons{width:var(--button-size);height:var(--button-size);border:none;background:none;margin-right:var(--button-horizontal-margin);font-size:1.5rem;color:#30a8f7;cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background-color .2s ease,transform .2s ease}.btn-icon.toggle-emoticons:hover{background:#f5f5f5}.btn-icon.toggle-emoticons:active{transform:scale(.95)}.chat-emoji-btn{background:none;border:none;cursor:pointer;color:gray;display:flex;align-items:center;justify-content:center;margin:0 10px 3px;padding-left:unset;padding-right:unset;transition:color .2s ease,background-color .2s ease,transform .2s ease}.chat-emoji-btn:hover{color:#007bff;background:#f5f5f5;border-radius:50%}.chat-emoji-btn:active{transform:scale(.95)}.btn-icon.rp.btn-menu-toggle{position:relative;width:2.125rem;height:2.125rem;border:none;background:none;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;overflow:hidden;transition:background-color .2s ease}.btn-icon.rp.btn-menu-toggle:hover{background:#30a8f71a}.c-ripple{position:absolute;border-radius:50%;pointer-events:none;width:100%;height:100%;left:0;top:0;background:#30a8f72e;opacity:0;transform:scale(.5);z-index:1;transition:opacity .3s ease,transform .3s ease}.btn-icon.rp.btn-menu-toggle:active .c-ripple{opacity:1;transform:scale(1.2)}.tgico.button-icon{font-size:1.3rem;z-index:2;position:relative}.input-message-container{flex:1;display:flex;flex-direction:column;position:relative;margin:0 30px 0 0;justify-content:center;min-height:37px;max-height:none}.input-message-input{min-height:37px;max-height:518px;outline:none;border:none;background:transparent;font-size:16px;line-height:37px;padding:0;margin:0;resize:none;color:#222;width:99%;overflow-y:auto!important;display:block;white-space:pre-wrap;word-break:break-word;word-wrap:break-word;overflow-wrap:break-word;max-width:99%}.input-field-placeholder{position:absolute;left:0;top:0;color:#aaa;font-size:16px;pointer-events:none;padding:0;margin:0;line-height:37px;white-space:pre;display:flex;align-items:center;opacity:1;transition:opacity .2s ease}.input-message-input:not(:empty)+.input-field-placeholder{opacity:0}.input-message-input:empty+.input-field-placeholder{opacity:1}.input-field-input-fake{display:none}.chat-input{display:none!important}.more-btn{width:40px;height:40px;border:none;background:none;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;position:relative;overflow:hidden;gap:3px;transition:background-color .2s ease,transform .2s ease}.more-btn:hover{background:#f5f5f5}.more-btn:active{transform:scale(.95)}.more-menu{display:none;position:absolute;right:0;top:44px;background:#fff;border-radius:10px;box-shadow:0 8px 32px #0000002e;min-width:120px;z-index:100;font-size:1rem;width:max-content;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;--transform-extra: translateX(0);--transform-origin-x: center;--transform-origin-y: center;transform-origin:var(--transform-origin-x) var(--transform-origin-y);transform:var(--transform-extra);opacity:0;pointer-events:none;transform:translateY(-10px) scale(.95);transition:opacity .3s ease,transform .3s ease}.more-menu.open{display:block;opacity:1;pointer-events:auto;transform:translateY(0) scale(1)}.more-menu.close{opacity:0;pointer-events:none;transform:translateY(-10px) scale(.95)}.more-menu-item{padding:6px 40px;cursor:pointer;border-radius:6px;font-size:15px;color:#222;margin:5px;transition:background-color .2s ease,transform .2s ease}.more-menu-item:hover{background:#f5f5f5;transform:translate(2px)}.rightbar{width:250px;background:#fff;border-left:1px solid #e0e0e0;display:flex;flex-direction:column;box-shadow:-2px 0 8px #e0e0e0a0;transition:width .3s ease}.rightbar-header{padding:20.27px 18px 24px;border-bottom:1px solid #dcdcdc}.rightbar-group{display:flex;align-items:center;justify-content:space-around}.rightbar .group-info .title{font-size:18px;font-weight:600;color:#222}.rightbar .group-info .group-desc{font-size:13px;color:#888}.rightbar-tabs{background:#fff;border-radius:0;box-shadow:0 2px 8px #e0e0e020}.rightbar .tabs{display:flex;border-bottom:1px solid #f3f3f3;margin:0 18px}.rightbar .tabs div{padding:10px 16px;cursor:pointer;font-size:15px;color:#30a8f7;font-weight:500;border-bottom:1px solid #f3f3f3;border-radius:8px 8px 0 0;margin-right:8px;transition:background-color .2s ease,color .2s ease,border-bottom-color .2s ease}.rightbar .tabs .active{background:#fff;color:#30a8f7;border-bottom:2px solid #30a8f7}.members{flex:1;overflow-y:auto;padding:10px 0;background:#fff}.member{display:flex;align-items:center;padding:10px 18px;border-radius:8px;margin:6px 8px;transition:background-color .2s ease,transform .2s ease}.member:hover{background:#f5f5f5;transform:translate(2px)}.member .member-info{flex:1}.member .member-name{font-weight:500;font-size:15px;color:#222}.member .member-status{font-size:12px;color:#30a8f7}.member-tip{font-size:13px;color:#888;padding:4px 18px 2px;margin:0 0 2px;-webkit-user-select:none;user-select:none}.member-tip-center{text-align:center;justify-content:center;display:flex}::-webkit-scrollbar{width:4px;background:#fff}::-webkit-scrollbar-thumb{background:#e0e0e0;border-radius:4px}.file-message{overflow:hidden;transition:all .3s cubic-bezier(.4,0,.2,1);max-width:320px;width:100%;position:relative}.file-main-content{display:flex;align-items:center;padding:3px;gap:12px;max-width:200px}.file-info{display:flex;align-items:center;flex:1;min-width:0}.file-icon{font-size:24px;margin-right:12px;flex-shrink:0;filter:drop-shadow(0 2px 4px rgba(0,0,0,.1))}.file-details{flex:1;min-width:0}.file-name{font-weight:600;font-size:14px;color:#2c3e50;margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.2}.file-meta{font-size:12px;color:#7f8c8d;font-weight:500}.file-download-btn{padding:10px;background:linear-gradient(135deg,#52abff,#4fc3f7);color:#fff;border:none;border-radius:12px;font-size:12px;font-weight:600;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);display:none;align-items:center;justify-content:center;width:40px;height:40px;flex-shrink:0;opacity:0;transform:scale(.8) translateY(5px);position:relative;overflow:hidden}.file-download-btn.show{opacity:1;transform:scale(1) translateY(0);display:flex}.file-download-btn.show.animate-in{animation:downloadBtnAppear .5s cubic-bezier(.34,1.56,.64,1)}@keyframes downloadBtnAppear{0%{opacity:0;transform:scale(.6) translateY(10px) rotate(-5deg)}60%{opacity:1;transform:scale(1.1) translateY(-2px) rotate(2deg)}to{opacity:1;transform:scale(1) translateY(0) rotate(0)}}.file-download-btn svg{width:20px;height:20px;fill:currentColor}.file-download-btn:hover{background:linear-gradient(135deg,#2196f3,#42a5f5);transform:translateY(-2px)}.file-download-btn:active{transform:translateY(0)}.file-download-btn:disabled{background:linear-gradient(135deg,#bdc3c7,#95a5a6);cursor:not-allowed;transform:none;box-shadow:none}.file-progress-container{padding:0 16px 12px;margin-top:-4px;opacity:1;max-height:60px;overflow:hidden;transition:opacity .4s ease,max-height .4s ease,padding .4s ease}.file-progress-container.fade-out{opacity:0;max-height:0;padding:0 16px}.file-progress-bar{width:100%;height:6px;background:#30a8f71a;border-radius:6px;overflow:hidden;margin-bottom:8px;box-shadow:inset 0 1px 3px #0000001a;transition:opacity .3s ease}.file-progress{height:100%;background:linear-gradient(90deg,#30a8f7,#4fc3f7,#66d9ef);border-radius:6px;transition:width .4s cubic-bezier(.4,0,.2,1);width:0%;position:relative;overflow:hidden}.file-progress:after{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);animation:shimmer 2s infinite}@keyframes shimmer{0%{left:-100%}to{left:100%}}.file-status{font-size:11px;color:#5a6c7d;text-align:center;font-weight:500;background:#30a8f70d;padding:4px 8px;border-radius:8px;display:inline-block;width:100%;box-sizing:border-box}.bubble.private-message .file-meta,.bubble.private-message .file-name{color:#fff!important}.bubble.private-message .file-message .file-download-btn{background:linear-gradient(135deg,#ff9800,#ffb74d);box-shadow:0 2px 8px #ff98004d}.bubble.private-message .file-message .file-download-btn:hover{background:linear-gradient(135deg,#f57c00,#ff9800);box-shadow:0 4px 16px #ff980066}.bubble.private-message .file-message .file-progress{background:linear-gradient(90deg,#ff9800,#ffb74d,#ffcc80)}.bubble.private-message .file-message .file-status{background:#ff98000d;color:#fff!important}.file-upload-modal{position:fixed;top:0;left:0;right:0;bottom:0;z-index:10000;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease}.file-upload-modal.show{opacity:1;visibility:visible}.file-upload-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.file-upload-container{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#fff;border-radius:12px;box-shadow:0 20px 40px #0000001a;width:90%;max-width:600px;max-height:80vh;display:flex;flex-direction:column}.file-upload-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid #e0e0e0}.file-upload-header h3{margin:0;font-size:18px;font-weight:600;color:#333}.file-upload-close{background:none;border:none;font-size:24px;color:#666;cursor:pointer;padding:0;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background-color .2s ease}.file-upload-close:hover{background:#f5f5f5}.file-upload-content{flex:1;padding:24px;overflow-y:auto}.file-drop-zone{border:2px dashed #ddd;border-radius:8px;padding:40px 20px;text-align:center;transition:all .3s ease;background:#fafafa;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:200px}.file-drop-zone:hover,.file-drop-zone.drag-over{border-color:#007bff;background:#f0f8ff}.file-drop-icon{font-size:48px;margin-bottom:16px;opacity:.6}.file-drop-text p{margin:8px 0;color:#666}.file-drop-text p:first-child{font-size:16px;color:#333}.file-browse-btn{background:none;border:none;color:#007bff;cursor:pointer;text-decoration:underline;font-size:inherit;padding:0}.file-browse-btn:hover{color:#0056b3}.file-list-container{animation:fadeInUp .3s ease}.file-list-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid #e0e0e0}.file-list-title{font-weight:600;color:#333}.file-clear-all-btn{background:none;border:1px solid #dc3545;color:#dc3545;padding:6px 12px;border-radius:4px;cursor:pointer;font-size:12px;transition:all .2s ease}.file-clear-all-btn:hover{background:#dc3545;color:#fff}.file-list{max-height:300px;overflow-y:auto;margin-bottom:16px}.file-item{display:flex;align-items:center;justify-content:space-between;padding:12px;background:#f8f9fa;border-radius:6px;margin-bottom:8px;transition:background-color .2s ease}.file-item:hover{background:#e9ecef}.file-item-info{flex:1;min-width:0}.file-item-name{font-weight:500;color:#333;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:4px}.file-item-size{font-size:12px;color:#666}.file-item-remove{background:none;border:none;color:#dc3545;cursor:pointer;padding:4px;border-radius:50%;width:24px;height:24px;display:flex;align-items:center;justify-content:center;font-size:16px;transition:background-color .2s ease;margin-left:12px}.file-item-remove:hover{background:#dc35451a}.file-list-summary{padding:12px;background:#e3f2fd;border-radius:6px;color:#1976d2;font-size:14px;text-align:center}.file-upload-footer{display:flex;justify-content:flex-end;gap:12px;padding:20px 24px;border-top:1px solid #e0e0e0}.file-upload-cancel-btn,.file-upload-send-btn{padding:10px 24px;border-radius:6px;border:none;cursor:pointer;font-weight:500;transition:all .2s ease}.file-upload-cancel-btn{background:#f8f9fa;color:#6c757d;border:1px solid #dee2e6}.file-upload-cancel-btn:hover{background:#e9ecef}.file-upload-send-btn{background:#007bff;color:#fff}.file-upload-send-btn:hover:not(:disabled){background:#0056b3}.file-upload-send-btn:disabled{background:#6c757d;cursor:not-allowed;opacity:.6}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){.file-upload-container{width:95%;max-height:90vh}.file-upload-content{padding:16px}.file-drop-zone{padding:30px 15px;min-height:150px}.file-drop-icon{font-size:36px}}@media (max-width: 768px){.file-message{max-width:280px}.file-main-content{padding:3px;gap:10px}.file-icon{font-size:20px;margin-right:10px}.file-name{font-size:13px}.file-meta{font-size:11px}.file-download-btn{padding:8px;width:36px;height:36px}.file-download-btn svg{width:18px;height:18px}.file-progress-container{padding:0 14px 10px}.file-progress-bar{height:5px}.file-status{font-size:10px;padding:3px 6px}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.file-download-btn{position:relative;overflow:hidden}.file-download-btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);transition:left .6s ease}.file-download-btn:hover:before{left:100%}.input-image-preview{position:relative;display:inline-block;margin:4px;border-radius:8px;overflow:visible;background:#f8f9fa;border:1px solid #e9ecef;transition:all .2s ease;max-width:80px}.input-image-preview:hover{border-color:#007bff;transform:translateY(-1px);box-shadow:0 2px 8px #007bff1a}.input-image-preview-img{display:block;width:100%;height:60px;object-fit:cover;border-radius:6px}.input-image-remove-btn{position:absolute;top:-10px;right:-10px;width:22px;height:22px;border:none;border-radius:50%;background:#dc3545;color:#fff;font-size:12px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;line-height:1;transition:all .2s ease;box-shadow:0 2px 4px #0003}.input-image-remove-btn:hover{background:#c82333;transform:scale(1.1)}.input-image-remove-btn:active{transform:scale(.95)}.bubble-img{max-width:300px;width:100%;height:auto;max-height:200px;object-fit:contain;border-radius:8px;cursor:pointer;transition:all .2s ease;display:block;margin:4px 0}.bubble-img:hover{transform:scale(1.02);box-shadow:0 4px 12px #00000026}.bubble-content .bubble-img:first-child{margin-top:0}.bubble-content .bubble-img:last-child{margin-bottom:0}.bubble-content.mixed-content{display:flex;flex-direction:column;gap:8px}.bubble-content.mixed-content .message-text,.bubble-content.mixed-content .bubble-img{margin:0}@media (max-width: 768px){.input-image-preview-img{width:60px;height:45px}.bubble-img{max-width:250px;max-height:180px}}@media (max-width: 480px){.input-image-preview-img{width:50px;height:38px}.bubble-img{max-width:200px;max-height:150px}}.powered-by{text-align:center;color:#aaa;font-size:13px;margin:24px 0 8px;letter-spacing:.2px}.powered-by a{color:#30a8f7;text-decoration:none}.powered-by a:hover{text-decoration:underline}h2{margin:0%}body{background:#fff;font-family:Roboto,Arial,sans-serif;margin:0}.flip-card{perspective:1000px;max-width:400px;width:100%;height:500px;position:relative}.flip-card-inner{position:relative;width:100%;height:100%;text-align:center;transition:transform .3s ease;transform-style:preserve-3d}.flip-card-inner.flipped{transform:rotateX(180deg)}.flip-card-front,.flip-card-back{position:absolute;top:0;left:0;width:100%;height:100%;border-radius:14px;padding:39px 15px 20px;box-shadow:0 2px 16px #3c506417;background:#fff;box-sizing:border-box;display:flex;flex-direction:column;backface-visibility:hidden}.flip-card-back{transform:rotateX(180deg)}.help-btn{position:absolute;top:16px;right:16px;background:none;border:0px;color:#666;width:40px;height:40px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s ease;z-index:10}.flip-card-inner.flipped .flip-card-front .help-btn{visibility:hidden;opacity:0;pointer-events:none}.flip-card-inner:not(.flipped) .flip-card-back .help-btn{visibility:hidden;opacity:0;pointer-events:none}.help-btn:hover{background:#30a8f7;border-color:#30a8f7;color:#fff;transform:scale(1.1)}.help-btn:active{transform:scale(.95)}.help-content{text-align:left;max-height:400px;overflow-y:auto;padding:0 20px 20px;color:#333;line-height:1.6}.help-section{margin-bottom:24px}.help-section h3{font-size:1.1rem;color:#4a5568;margin-bottom:12px;font-weight:600;display:flex;align-items:center;gap:8px}.help-section p{font-size:.95rem;color:#666;margin-bottom:12px;line-height:1.5}.help-section ol,.help-section ul{font-size:.9rem;color:#666;margin-left:16px;margin-bottom:12px}.help-section li{margin-bottom:8px;line-height:1.4}.help-section li strong{color:#2d3748;font-weight:600}.help-content::-webkit-scrollbar{width:6px}.help-content::-webkit-scrollbar-track{background:#f1f1f1;border-radius:3px}.help-content::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:3px}.help-content::-webkit-scrollbar-thumb:hover{background:#a8a8a8}.login-container{display:flex;text-align:center;align-items:center;flex-direction:column}.login-container h1{font-size:2.2rem;font-weight:700}.subtips{color:#7a7a7a;margin-bottom:26px;font-size:1rem}.login-container form{display:flex;flex-direction:column;gap:18px}.input-group{display:flex;flex-direction:column;align-items:flex-start;position:relative;margin-bottom:10px}.input-group label:not(.floating-label){font-size:.98rem;color:#888;margin-bottom:6px;margin-left:2px}.input-group .optional{color:#b5b5b5;font-size:.92em;margin-left:4px}.input-group input{width:92%;border:1px solid #e5e5e5;border-radius:10px;padding:14px;font-size:1.1rem;outline:none;background:#fafbfc;transition:border-color .2s ease,background-color .2s ease,box-shadow .2s ease}.input-group input:focus{border-color:#30a8f7;background:#fff;box-shadow:0 0 0 3px #30a8f71a}.login-btn{margin-top:20px;background:#30a8f7;border:none;color:#fff;font-size:1.2rem;font-weight:500;border-radius:12px;padding:14px 0;cursor:pointer;letter-spacing:1px;transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease}.login-btn:hover,.login-btn:focus{background:#2196e3;box-shadow:0 4px 12px #30a8f74d}.login-btn:active{transform:translateY(1px)}.login-modal{position:fixed;z-index:9999;left:0;top:0;right:0;bottom:0;display:flex;align-items:center;justify-content:center}.login-modal-bg{position:absolute;left:0;top:0;right:0;bottom:0;background:#ffffff80;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:1}.login-modal-card{position:relative;z-index:2;background:#fff;border-radius:14px;box-shadow:0 2px 16px #3c506421;padding:32px 24px 24px;min-width:200px;width:400px;text-align:center}.login-modal-card form{display:flex;flex-direction:column;gap:18px}.login-modal-close{position:absolute;right:12px;top:10px;background:none;border:none;font-size:1.7rem;color:#888;cursor:pointer;z-index:3;line-height:1;transition:color .2s ease,transform .2s ease}.login-modal-close:hover{color:#30a8f7;transform:scale(1.1)}.avatar{width:42px!important;height:42px!important;border-radius:50%!important;display:flex!important;align-items:center!important;justify-content:center!important;font-weight:700!important;font-size:20px!important;-webkit-user-select:none!important;user-select:none!important;overflow:hidden!important;flex-shrink:0!important;object-fit:cover!important;margin-right:8px!important;box-sizing:border-box!important;z-index:2!important;position:relative!important}.avatar img{width:100%!important;height:100%!important;border-radius:50%!important;object-fit:cover!important;display:block!important;z-index:2!important;position:relative!important}.img-modal-bg{position:fixed;left:0;top:0;right:0;bottom:0;z-index:9999;display:flex;align-items:center;justify-content:center;background:#141414eb}.img-modal-blur{display:none}.img-modal-content{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;justify-content:center;background:none;border-radius:0;box-shadow:none;padding:0;width:100vw;height:100vh;max-width:100vw;max-height:100vh}.img-modal-content img{max-width:100vw;max-height:100vh;border-radius:0;box-shadow:none;background:none;margin:0 auto;display:block;cursor:zoom-in;border:none}.img-modal-close{position:fixed;right:15px;top:15px;font-size:2.6rem;color:#bbb;background:none;border-radius:50%;width:48px;height:48px;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:10000;line-height:1;box-shadow:none;transition:background-color .2s ease,color .2s ease,transform .2s ease}.img-modal-close:hover{background:#50505040;color:#fff;transform:scale(1.1)}.bubble.system{max-width:70%;padding:5px 14px;border-radius:20px;margin:0 auto 5px;font-size:13px;line-height:1.4;position:relative;word-break:break-word;background:#f0f4f8b3;color:#555;display:inline-block;text-align:center}.icon-22-middle{width:22px;height:22px;vertical-align:middle;margin-right:25px;margin-left:25px}.icon-22{width:22px;height:22px}.input-hidden{display:none}.chat-attach-btn-abs{background:none;border:none;cursor:pointer;padding:4px;display:flex;align-items:center;justify-content:center;position:absolute;right:-20px;top:50%;transform:translateY(-50%);transition:transform .2s ease,color .2s ease;z-index:5}.chat-attach-btn-abs:hover{transform:translateY(-50%) scale(1.1);color:#30a8f7}.input-message-input-init{height:37px}.bubble-img{max-width:220px;max-height:180px;border-radius:8px}.login-modal-close-abs{position:absolute;right:10px;top:10px;font-size:22px;background:none;border:none;cursor:pointer}.main-header-flex{display:flex;align-items:center}.group-title-bold{font-size:1.22em;font-weight:700}.main-header-members{margin-left:10px;font-size:13px;color:#888}.img-modal-content-overflow{overflow:hidden}.img-modal-img{max-width:90vw;max-height:90vh;cursor:grab;-webkit-user-select:none;user-select:none}.send-message-btn{background:#03a9f4;background:linear-gradient(138deg,#03a9f4 15%,#3fb4e9 65%);position:relative;cursor:pointer;font-size:17px;padding:.7em;border-radius:50px;box-shadow:0 .5rem 1rem #0000001a;margin:0 0 3px 7px;transition:all .3s ease;z-index:10}.send-message-btn:hover{transform:translateY(-2px);transition:all .3s ease}.send-message-btn:active{transform:scale(.95) translateY(0);box-shadow:0 .3rem .8rem #03a9f433;transition:all .1s ease}.send-message-btn .text{display:flex;align-items:center;justify-content:center;fill:#fff;transition:all .3s ease}.send-message-btn:hover .text{transform:scale(1.05);transition:all .3s ease}.send-message-btn:active .text{transform:scale(.95);transition:all .1s ease}.send-message-btn{position:relative;z-index:10}.chat-input-wrapper .send-message-btn{position:relative;z-index:15}.new-message-wrapper{position:relative;z-index:1}@media (max-width:768px){html,body{width:100vw;min-width:0;min-height:0;max-width:100vw;max-height:100dvh;height:100dvh;overflow:hidden;margin:0;padding:0;overscroll-behavior:none}.container{width:100vw;height:100dvh;min-width:0;min-height:0;max-width:100vw;max-height:100dvh;overflow:hidden;margin:0;padding:0;left:0;top:0}.main{width:100vw;height:100dvh;min-width:0;min-height:0;max-width:100vw;max-height:100dvh;overflow:hidden;margin:0;padding:0;position:relative;flex:1 1 100%}.chat-area{width:100vw;max-width:100vw;min-width:0;flex:1 1 auto;overflow-y:auto;box-sizing:border-box;background:none;margin:0;padding:16px 4px 88px}.chat-input-area{position:fixed;left:0;right:0;bottom:0;width:100vw;max-width:100vw;min-width:0;box-sizing:border-box;margin:0;padding:5px 15px calc(10px + env(safe-area-inset-bottom)) 10px;z-index:1200}*{touch-action:pan-y}.sidebar,.rightbar,.settings-sidebar{position:fixed;top:0;width:60vw!important;bottom:0;z-index:1000;height:100dvh;background:#fff;box-shadow:2px 0 16px #0002;transition:transform .3s cubic-bezier(.4,0,.2,1)}.sidebar{left:0;transform:translate(-100%);border-right:1px solid #e0e0e0}.sidebar.mobile-open{transform:translate(0)}.settings-sidebar{transform:translate(-100%);border-right:1px solid #e0e0e0;z-index:1001}.settings-sidebar.mobile-open{transform:translate(0)}.rightbar{right:0;max-width:70vw;transform:translate(100%);border-left:1px solid #e0e0e0}.rightbar.mobile-open{transform:translate(0)}.mobile-sidebar-mask,.mobile-rightbar-mask{display:none;position:fixed;left:0;top:0;right:0;bottom:0;background:#0000002e;z-index:999}.mobile-sidebar-mask.active,.mobile-rightbar-mask.active{display:block}.mobile-menu-btn,.mobile-info-btn{background:#ffffffd9;border:none;align-items:center;width:45px;height:45px;z-index:1100;cursor:pointer;border-radius:50%;opacity:1;will-change:transform,opacity;color:#707070;transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease}.mobile-menu-btn:active,.mobile-info-btn:active{background:#e0e0e0;transform:scale(.93)}.settings-panel-card{left:2vw!important}.flip-card{width:95%}}.member.private-chat-active{background-color:#e0d0ff!important;transition:background-color .2s ease}.member.private-chat-active:hover{background-color:#d8c8f8!important}.chat-input-area.private-mode .chat-input-wrapper:before{background-color:#f0e8ff!important;transition:background-color .3s ease}.bubble.other.private-message{background-color:#9370db!important;color:#fff!important}.bubble.other.private-message .bubble-other-name{color:#f0e8ff!important}.bubble.other.private-message .bubble-meta{color:#e0d0ff!important}.bubble.other.private-message .bubble-content{color:#fff!important;background-color:transparent!important}.bubble.me.private-message{background-color:#9370db!important;color:#fff!important}.bubble.me.private-message .bubble-meta{color:#e0d0ff!important}.bubble.me.private-message .bubble-content{color:#fff!important;background-color:transparent!important}.theme-selector{gap:8px;padding:6px 2px;scrollbar-width:none;-ms-overflow-style:none;-webkit-overflow-scrolling:touch}.theme-selector::-webkit-scrollbar{display:none}.theme-item{width:70px;height:70px;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;-webkit-touch-callout:none}.input-group{position:relative}.input-group .floating-label{position:absolute;top:14px;left:16px;pointer-events:none;font-size:1.1rem;color:#888;transition:.25s cubic-bezier(.68,-.55,.265,1.55)}.input-group input:focus+.floating-label,.input-group input:not(:placeholder-shown)+.floating-label{color:#30a8f7;transform:translateY(-40px)}.input-group .floating-label span{display:inline;color:inherit;transition:none;min-width:0}