.auth-page{display:flex;align-items:center;justify-content:center;min-height:100vh;min-height:var(--vh, 100vh);padding:20px;background-color:var(--bg-secondary)}.auth-card{width:100%;max-width:400px;background-color:var(--bg-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:40px 32px;animation:auth-card-appear .3s ease}@keyframes auth-card-appear{0%{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.auth-logo{display:flex;flex-direction:column;align-items:center;margin-bottom:32px}.auth-logo img{width:80px;height:80px;margin-bottom:16px}.auth-logo h1{font-size:24px;font-weight:600;color:var(--text-primary);margin-bottom:4px}.auth-logo p{font-size:14px;color:var(--text-secondary);text-align:center}.auth-form{display:flex;flex-direction:column;gap:0}.auth-input-group{position:relative;margin-bottom:24px}.auth-input-group input{width:100%;padding:12px 0 8px;font-size:16px;color:var(--text-primary);border-bottom:2px solid var(--border);transition:border-color var(--transition-fast);background:transparent}.auth-input-group input:focus{border-bottom-color:var(--accent)}.auth-input-group label{position:absolute;left:0;top:12px;font-size:16px;color:var(--text-secondary);pointer-events:none;transition:all var(--transition-fast)}.auth-input-group input:focus+label,.auth-input-group input:not(:placeholder-shown)+label{top:-8px;font-size:12px;color:var(--accent)}.auth-input-group input:not(:focus):not(:placeholder-shown)+label{color:var(--text-secondary)}.auth-submit-btn{width:100%;padding:14px;margin-top:8px;background-color:var(--accent);color:#fff;font-size:16px;font-weight:500;border-radius:var(--radius-md);transition:background-color var(--transition-fast),transform var(--transition-fast);letter-spacing:.3px}.auth-submit-btn:hover:not(:disabled){background-color:var(--accent-hover)}.auth-submit-btn:active:not(:disabled){transform:scale(.98)}.auth-submit-btn:disabled{opacity:.6}.auth-footer{margin-top:24px;text-align:center;font-size:14px;color:var(--text-secondary)}.auth-footer a{color:var(--accent);font-weight:500}.auth-footer a:hover{text-decoration:underline}.auth-error{background-color:#e5393514;color:var(--danger);padding:10px 14px;border-radius:var(--radius-sm);font-size:14px;margin-bottom:16px;text-align:center}@media (max-width: 480px){.auth-card{padding:32px 24px;border-radius:var(--radius-md);box-shadow:var(--shadow-md)}.auth-logo img{width:64px;height:64px}.auth-logo h1{font-size:20px}}.app-main{flex:1;display:flex;flex-direction:column;background-color:var(--bg-chat);background-image:url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23d5cfbe' fill-opacity='0.12'%3E%3Ccircle cx='20' cy='20' r='1.5'/%3E%3Ccircle cx='60' cy='60' r='1.5'/%3E%3C/g%3E%3C/svg%3E");overflow:hidden;position:relative;min-height:0}:root{--bg-primary: #ffffff;--bg-secondary: #f0f2f5;--bg-chat: #e5ddd5;--bg-message-out: #effdde;--bg-message-in: #ffffff;--text-primary: #000000;--text-secondary: #707579;--accent: #3390ec;--accent-hover: #2b7ed8;--border: #e0e0e0;--danger: #e53935;--online: #0ac630;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .08);--shadow-md: 0 2px 8px rgba(0, 0, 0, .12);--shadow-lg: 0 4px 16px rgba(0, 0, 0, .16);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-full: 50%;--transition-fast: .15s ease;--transition-normal: .25s ease}[data-theme=dark]{--bg-primary: #212121;--bg-secondary: #181818;--bg-chat: #0e1621;--bg-message-out: #2b5278;--bg-message-in: #182533;--text-primary: #f5f5f5;--text-secondary: #aaaaaa;--accent: #8774e1;--accent-hover: #7b6cd4;--border: #303030;--danger: #e53935;--online: #0ac630;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .2);--shadow-md: 0 2px 8px rgba(0, 0, 0, .3);--shadow-lg: 0 4px 16px rgba(0, 0, 0, .4)}.app-layout{display:flex;height:100vh;height:var(--vh, 100vh);overflow:hidden;background-color:var(--bg-secondary)}.app-sidebar{width:360px;min-width:360px;background-color:var(--bg-primary);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden;transition:transform var(--transition-normal)}.app-main{flex:1;display:flex;flex-direction:column;background-color:var(--bg-chat);background-image:url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23d5cfbe' fill-opacity='0.12'%3E%3Ccircle cx='20' cy='20' r='1.5'/%3E%3Ccircle cx='60' cy='60' r='1.5'/%3E%3C/g%3E%3C/svg%3E");overflow:hidden;position:relative;min-height:0}[data-theme=dark] .app-main{background-image:none}.app-empty-state{flex:1;display:flex;align-items:center;justify-content:center}.app-empty-state-card{text-align:center;padding:32px;background-color:var(--bg-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);max-width:360px}.app-empty-state-card img{width:80px;height:80px;margin:0 auto 16px}.app-empty-state-card h2{font-size:20px;font-weight:600;margin-bottom:8px;color:var(--text-primary)}.app-empty-state-card p{color:var(--text-secondary);font-size:14px}@media (max-width: 768px){.app-sidebar{width:100%;min-width:100%;position:absolute;top:0;left:0;bottom:0;z-index:10}.app-sidebar.sidebar-hidden{transform:translate(-100%)}.app-main{width:100%}}.sidebar-header{padding:8px 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);min-height:56px;gap:8px}.sidebar-header-left{display:flex;align-items:center;gap:12px}.sidebar-header-name{font-weight:600;font-size:15px;color:var(--text-primary)}.sidebar-header-actions{display:flex;gap:4px}.sidebar-header-actions button{padding:8px;border-radius:var(--radius-full);color:var(--text-secondary);font-size:18px}.sidebar-header-actions button svg{width:20px;height:20px}.sidebar-header-actions button:hover{background-color:var(--bg-secondary)}.chat-search{padding:8px 12px;border-bottom:1px solid var(--border)}.chat-search-input-wrapper{display:flex;align-items:center;gap:8px;background-color:var(--bg-secondary);border-radius:var(--radius-lg);padding:6px 12px}.chat-search-input-wrapper svg{width:18px;height:18px;color:var(--text-secondary);flex-shrink:0}.chat-search-input-wrapper input{flex:1;font-size:16px;background:transparent}.chat-list{flex:1;overflow-y:auto;position:relative}.chat-list-empty{display:flex;align-items:center;justify-content:center;height:100%;color:var(--text-secondary);font-size:14px}.chat-list-item{display:flex;align-items:center;gap:12px;padding:8px 12px;cursor:pointer;transition:background-color var(--transition-fast);position:relative}.chat-list-item:hover{background-color:var(--bg-secondary)}.chat-list-item.active{background-color:var(--accent)}.chat-list-item.active .chat-list-item-name,.chat-list-item.active .chat-list-item-preview,.chat-list-item.active .chat-list-item-time{color:#fff}.chat-list-item-content{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.chat-list-item-top{display:flex;align-items:center;justify-content:space-between;gap:8px}.chat-list-item-name{font-weight:600;font-size:14px;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-list-item-time{font-size:12px;color:var(--text-secondary);white-space:nowrap;flex-shrink:0}.chat-list-item-bottom{display:flex;align-items:center;justify-content:space-between;gap:8px}.chat-list-item-preview{font-size:13px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}.chat-list-item-preview .sender-name{font-weight:500;color:var(--text-primary)}.chat-list-item.active .chat-list-item-preview .sender-name{color:#fff}.unread-badge{display:flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 6px;border-radius:var(--radius-full);background-color:var(--accent);color:#fff;font-size:12px;font-weight:600;flex-shrink:0}.chat-list-item.active .unread-badge{background-color:#fff;color:var(--accent)}.new-chat-fab{position:absolute;bottom:20px;right:20px;width:54px;height:54px;border-radius:var(--radius-full);background-color:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-lg);transition:transform var(--transition-fast),background-color var(--transition-fast);z-index:5}.new-chat-fab:hover{background-color:var(--accent-hover);transform:scale(1.05)}.new-chat-fab svg{width:24px;height:24px}.chat-view-wrapper{display:flex;flex:1;min-height:0;height:100%;overflow:hidden;position:relative}.chat-view-main{display:flex;flex-direction:column;flex:1;min-width:0;min-height:0;height:100%;overflow:hidden}.chat-header{display:flex;align-items:center;gap:12px;padding:8px 16px;background-color:var(--bg-primary);border-bottom:1px solid var(--border);min-height:56px}.chat-header-back{display:none;padding:8px;border-radius:var(--radius-full);color:var(--text-secondary)}.chat-header-back:hover{background-color:var(--bg-secondary)}@media (max-width: 768px){.chat-header-back{display:flex;align-items:center;justify-content:center}}.chat-header-back svg{width:20px;height:20px}.chat-header-info{flex:1;min-width:0}.chat-header-name{font-weight:600;font-size:15px;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-header-subtitle{font-size:13px;color:var(--text-secondary)}.chat-header-subtitle.online{color:var(--online)}.message-list-container{flex:1;overflow-y:auto;padding:8px 0;min-height:0;background-color:var(--bg-chat)}.message-list-inner{max-width:720px;width:100%;margin:0 auto;padding:0 16px;display:flex;flex-direction:column;min-height:100%;justify-content:flex-end}.message-list-loader{display:flex;align-items:center;justify-content:center;padding:16px;color:var(--text-secondary);font-size:13px}.date-separator{display:flex;align-items:center;justify-content:center;padding:8px 0}.date-separator-pill{padding:4px 12px;border-radius:var(--radius-lg);background-color:#0003;color:#fff;font-size:13px;font-weight:500;-webkit-user-select:none;user-select:none}[data-theme=dark] .date-separator-pill{background-color:#ffffff1a;color:var(--text-secondary)}.message-group{display:flex;flex-direction:column;gap:2px;margin-bottom:4px}.message-row{display:flex;gap:8px;padding:1px 0}.message-row.outgoing{justify-content:flex-end}.message-row.incoming{justify-content:flex-start}.message-avatar-col{width:36px;flex-shrink:0;align-self:flex-end}.message-bubble{max-width:480px;padding:6px 10px;border-radius:12px;position:relative;word-wrap:break-word;line-height:1.4;font-size:14px}.message-bubble.outgoing{background-color:var(--bg-message-out);border-bottom-right-radius:4px}.message-bubble.incoming{background-color:var(--bg-message-in);border-bottom-left-radius:4px}.message-bubble.tail.outgoing{border-bottom-right-radius:4px}.message-bubble.tail.incoming{border-bottom-left-radius:4px}.message-bubble.no-tail{border-radius:12px}.message-bubble.no-tail.outgoing{border-bottom-right-radius:4px}.message-bubble.no-tail.incoming{border-bottom-left-radius:4px}.message-sender-name{font-size:13px;font-weight:600;margin-bottom:2px;cursor:pointer}.message-reply-preview{display:flex;align-items:stretch;gap:8px;padding:4px 8px;margin-bottom:4px;border-radius:var(--radius-sm);background-color:#0000000f;cursor:pointer;font-size:13px}[data-theme=dark] .message-reply-preview{background-color:#ffffff0f}.message-reply-bar{width:3px;border-radius:2px;background-color:var(--accent);flex-shrink:0}.message-reply-content{min-width:0}.message-reply-name{font-weight:600;color:var(--accent);font-size:12px}.message-reply-text{color:var(--text-secondary);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:300px}.message-text{color:var(--text-primary);white-space:pre-wrap}.message-text.deleted{font-style:italic;color:var(--text-secondary)}.message-meta{display:flex;align-items:center;justify-content:flex-end;gap:4px;margin-top:2px;float:right;margin-left:12px;padding-top:4px}.message-time{font-size:11px;color:var(--text-secondary);white-space:nowrap}.message-bubble.outgoing .message-time{opacity:.7}.message-edited{font-size:11px;color:var(--text-secondary);opacity:.7}.message-context-menu{position:fixed;z-index:1000;background-color:var(--bg-primary);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);padding:4px 0;min-width:160px}.message-context-menu-item{display:flex;align-items:center;gap:12px;padding:8px 16px;font-size:14px;color:var(--text-primary);width:100%;text-align:left;transition:background-color var(--transition-fast)}.message-context-menu-item:hover{background-color:var(--bg-secondary)}.message-context-menu-item svg{width:18px;height:18px;color:var(--text-secondary)}.message-context-menu-item.danger{color:var(--danger)}.message-context-menu-item.danger svg{color:var(--danger)}.message-check{width:16px;height:16px;display:inline-block;vertical-align:middle;margin-left:2px}.message-check.read{color:var(--accent)}.message-check.delivered,.message-check.sent{color:var(--text-secondary)}.typing-indicator{padding:4px 16px 2px;color:var(--accent);font-size:13px;min-height:20px}.typing-dots{display:inline-block}.typing-dots span{animation:typingDot 1.4s infinite;opacity:.3}.typing-dots span:nth-child(2){animation-delay:.2s}.typing-dots span:nth-child(3){animation-delay:.4s}@keyframes typingDot{0%,to{opacity:.3}50%{opacity:1}}.message-forwarded-label{display:flex;align-items:center;gap:4px;font-size:12px;font-style:italic;color:var(--text-secondary);margin-bottom:2px}.message-forwarded-label svg{width:12px;height:12px}.forward-modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:1001;background-color:var(--bg-primary);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);width:360px;max-height:480px;display:flex;flex-direction:column;overflow:hidden}.forward-modal-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border)}.forward-modal-title{font-weight:600;font-size:15px;color:var(--text-primary)}.forward-modal-close{padding:4px;border-radius:var(--radius-full);color:var(--text-secondary)}.forward-modal-close:hover{background-color:var(--bg-secondary)}.forward-modal-close svg{width:18px;height:18px}.forward-modal-list{overflow-y:auto;flex:1}.forward-modal-item{display:flex;align-items:center;gap:12px;padding:8px 16px;cursor:pointer;transition:background-color var(--transition-fast)}.forward-modal-item:hover{background-color:var(--bg-secondary)}.forward-modal-item-name{font-size:14px;color:var(--text-primary);font-weight:500}.context-menu-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:999}.message-input-area{background-color:var(--bg-primary);border-top:1px solid var(--border);padding:8px 16px;padding-bottom:calc(8px + env(safe-area-inset-bottom,0px));flex-shrink:0}.message-input-inner{max-width:720px;margin:0 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var(--radius-lg) var(--radius-lg)}.message-input-btn{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--radius-full);color:var(--text-secondary);flex-shrink:0;transition:color var(--transition-fast)}.message-input-btn:hover{color:var(--accent)}.message-input-btn svg{width:22px;height:22px}.message-input-btn.send{color:var(--accent)}.message-input-btn.send:hover{color:var(--accent-hover)}.message-textarea{flex:1;resize:none;border:none;outline:none;background:transparent;font-size:16px;line-height:1.4;padding:10px 0;max-height:200px;min-height:20px;color:var(--text-primary);font-family:inherit;-webkit-text-size-adjust:100%;touch-action:manipulation}.message-textarea::placeholder{color:var(--text-secondary)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background-color:#00000073;display:flex;align-items:center;justify-content:center;z-index:100;animation:modalFadeIn .2s ease}@keyframes 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16px;font-size:14px;font-weight:500;color:var(--text-secondary);text-align:center;position:relative;transition:color var(--transition-fast)}.modal-tab:hover{color:var(--text-primary)}.modal-tab.active{color:var(--accent)}.modal-tab.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:2px;background-color:var(--accent)}.modal-search{padding:12px 16px;border-bottom:1px solid var(--border)}.modal-search-input{display:flex;align-items:center;gap:8px;background-color:var(--bg-secondary);border-radius:var(--radius-lg);padding:8px 12px}.modal-search-input svg{width:18px;height:18px;color:var(--text-secondary);flex-shrink:0}.modal-search-input input{flex:1;font-size:16px;background:transparent}.modal-user-list{padding:4px 0}.modal-user-item{display:flex;align-items:center;gap:12px;padding:10px 16px;cursor:pointer;transition:background-color var(--transition-fast);width:100%;text-align:left}.modal-user-item:hover{background-color:var(--bg-secondary)}.modal-user-info{flex:1;min-width:0}.modal-user-name{font-size:14px;font-weight:600;color:var(--text-primary)}.modal-user-username{font-size:13px;color:var(--text-secondary)}.modal-user-check{width:22px;height:22px;border-radius:var(--radius-full);border:2px solid var(--border);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all var(--transition-fast)}.modal-user-check.checked{background-color:var(--accent);border-color:var(--accent)}.modal-user-check.checked svg{width:14px;height:14px;color:#fff}.modal-group-name{padding:12px 16px;border-bottom:1px solid var(--border)}.modal-group-name input{width:100%;padding:10px 14px;background-color:var(--bg-secondary);border-radius:var(--radius-md);font-size:14px}.modal-selected-users{display:flex;flex-wrap:wrap;gap:6px;padding:12px 16px;border-bottom:1px solid var(--border)}.modal-selected-chip{display:flex;align-items:center;gap:4px;padding:4px 10px;background-color:var(--accent);color:#fff;border-radius:var(--radius-full);font-size:13px;font-weight:500}.modal-selected-chip button{display:flex;align-items:center;color:#fff;opacity:.8;padding:0}.modal-selected-chip button:hover{opacity:1}.modal-selected-chip button svg{width:14px;height:14px}.modal-footer{padding:12px 16px;border-top:1px solid var(--border);display:flex;justify-content:flex-end}.modal-create-btn{padding:10px 24px;background-color:var(--accent);color:#fff;border-radius:var(--radius-md);font-size:14px;font-weight:600;transition:background-color var(--transition-fast)}.modal-create-btn:hover{background-color:var(--accent-hover)}.modal-create-btn:disabled{opacity:.5;cursor:not-allowed}.modal-empty{padding:32px 16px;text-align:center;color:var(--text-secondary);font-size:14px}.group-info-panel{width:360px;height:100%;background-color:var(--bg-primary);border-left:1px solid var(--border);display:flex;flex-direction:column;animation:groupInfoSlideIn .25s ease;flex-shrink:0}@keyframes groupInfoSlideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.group-info-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border);flex-shrink:0}.group-info-header h3{font-size:18px;font-weight:600;color:var(--text-primary)}.group-info-close{padding:4px;border-radius:var(--radius-full);color:var(--text-secondary)}.group-info-close:hover{background-color:var(--bg-secondary)}.group-info-close svg{width:20px;height:20px}.group-info-body{flex:1;overflow-y:auto;padding:0}.group-info-avatar-section{display:flex;justify-content:center;padding:24px 20px 12px}.group-info-name-section{padding:8px 20px;text-align:center}.group-info-name{display:flex;align-items:center;justify-content:center;gap:8px}.group-info-name span{font-size:20px;font-weight:600;color:var(--text-primary)}.group-info-edit-btn{padding:4px;border-radius:var(--radius-full);color:var(--text-secondary);flex-shrink:0}.group-info-edit-btn:hover{background-color:var(--bg-secondary);color:var(--accent)}.group-info-edit-btn svg{width:16px;height:16px}.group-info-edit-field{display:flex;align-items:flex-start;gap:8px;padding:0 20px}.group-info-edit-field input,.group-info-edit-field textarea{flex:1;padding:8px 12px;background-color:var(--bg-secondary);border-radius:var(--radius-md);font-size:14px;border:1px solid var(--accent);color:var(--text-primary)}.group-info-edit-field textarea{resize:vertical;min-height:60px;font-family:inherit}.group-info-save-btn{padding:6px;border-radius:var(--radius-full);color:var(--accent);flex-shrink:0}.group-info-save-btn:hover{background-color:var(--bg-secondary)}.group-info-save-btn svg{width:18px;height:18px}.group-info-desc-section{padding:4px 20px 16px;text-align:center}.group-info-desc{display:flex;align-items:center;justify-content:center;gap:8px}.group-info-desc span{font-size:14px;color:var(--text-secondary)}.group-info-divider{height:1px;background-color:var(--border);margin:0 20px}.group-member-list{padding:12px 0}.group-member-list-header{display:flex;align-items:center;justify-content:space-between;padding:4px 20px 12px}.group-member-count{font-size:14px;font-weight:600;color:var(--accent)}.group-add-member-btn{display:flex;align-items:center;gap:4px;padding:4px 10px;border-radius:var(--radius-md);font-size:13px;font-weight:500;color:var(--accent);transition:background-color var(--transition-fast)}.group-add-member-btn:hover{background-color:var(--bg-secondary)}.group-add-member-btn svg{width:16px;height:16px}.group-member-items{padding:0}.group-member-item{display:flex;align-items:center;gap:12px;padding:8px 20px;transition:background-color var(--transition-fast)}.group-member-item:hover{background-color:var(--bg-secondary)}.group-member-info{flex:1;min-width:0}.group-member-name{font-size:14px;font-weight:600;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.group-member-you{font-weight:400;color:var(--text-secondary)}.group-member-username{font-size:13px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.role-badge{font-size:11px;font-weight:600;padding:2px 8px;border-radius:var(--radius-full);flex-shrink:0;text-transform:uppercase;letter-spacing:.3px}.role-badge-owner{background-color:#fef3c7;color:#b45309}[data-theme=dark] .role-badge-owner{background-color:#b4530940;color:#fbbf24}.role-badge-admin{background-color:#3390ec1f;color:var(--accent)}[data-theme=dark] 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button:hover{background-color:var(--bg-secondary)}.group-member-menu-danger{color:var(--danger)!important}.group-info-leave-section{padding:16px 20px}.group-info-leave-btn{display:flex;align-items:center;gap:8px;width:100%;padding:12px 16px;border-radius:var(--radius-md);font-size:14px;font-weight:500;color:var(--danger);transition:background-color var(--transition-fast)}.group-info-leave-btn:hover{background-color:#e5393514}.group-info-leave-btn svg{width:20px;height:20px}.group-info-leave-confirm{text-align:center}.group-info-leave-confirm span{display:block;font-size:14px;font-weight:500;color:var(--text-primary);margin-bottom:12px}.group-info-leave-actions{display:flex;gap:8px;justify-content:center}.group-info-leave-yes{padding:8px 20px;background-color:var(--danger);color:#fff;border-radius:var(--radius-md);font-size:14px;font-weight:500}.group-info-leave-yes:hover{opacity:.9}.group-info-leave-no{padding:8px 20px;background-color:var(--bg-secondary);color:var(--text-primary);border-radius:var(--radius-md);font-size:14px;font-weight:500}.group-info-leave-no:hover{background-color:var(--border)}.group-info-close-btn{width:100%;padding:12px 16px;border-radius:var(--radius-md);font-size:14px;font-weight:500;color:var(--accent);background-color:var(--bg-secondary);transition:background-color var(--transition-fast)}.group-info-close-btn:hover{background-color:var(--border)}.user-info-username{text-align:center;font-size:14px;color:var(--text-secondary);padding:0 20px 4px}.user-info-status{text-align:center;font-size:13px;color:var(--text-secondary);padding:0 20px 16px}.user-info-status.online{color:var(--online)}.user-info-bio{padding:12px 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6px;font-size:13px;font-weight:600;color:var(--accent);text-transform:uppercase;letter-spacing:.3px}.search-result-item{display:flex;align-items:center;gap:12px;padding:10px 16px;cursor:pointer;transition:background-color var(--transition-fast);width:100%;text-align:left}.search-result-item:hover{background-color:var(--bg-secondary)}.search-result-info{flex:1;min-width:0}.search-result-name{font-size:14px;font-weight:600;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.search-result-meta{font-size:13px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.search-result-message{flex-direction:column;align-items:flex-start;gap:2px}.search-result-sender{font-size:13px;color:var(--accent);font-weight:500}.search-result-snippet{font-size:13px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}.search-highlight{background-color:#3390ec33;color:var(--accent);border-radius:2px;padding:0 1px}[data-theme=dark] .search-highlight{background-color:#8774e140;color:var(--accent)}.search-loading,.search-empty{padding:32px 16px;text-align:center;color:var(--text-secondary);font-size:14px}.image-message{position:relative;max-width:320px;min-width:120px;border-radius:var(--radius-md);overflow:hidden;cursor:pointer;margin:2px -4px}.image-message-img{display:block;width:100%;height:auto;border-radius:var(--radius-md);opacity:0;transition:opacity var(--transition-normal)}.image-message-img.loaded{opacity:1}.image-message-loader{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background-color:var(--bg-secondary);border-radius:var(--radius-md);min-height:80px}.image-message-spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:var(--radius-full);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.message-bubble.media{padding:4px;overflow:hidden}.message-bubble.media .message-sender-name{padding:2px 6px 0}.message-bubble.media .message-reply-preview{margin:0 4px 4px}.message-meta.over-media{position:absolute;bottom:6px;right:8px;background-color:#00000080;border-radius:10px;padding:2px 6px}.message-meta.over-media .message-time,.message-meta.over-media .message-check{color:#fff}.message-meta.over-media .message-check.read{color:#7bcdff}.lightbox-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:2000;background-color:#000000e6;display:flex;align-items:center;justify-content:center;cursor:zoom-out}.lightbox-controls{position:absolute;top:16px;right:16px;display:flex;gap:8px;z-index:2001}.lightbox-btn{width:44px;height:44px;display:flex;align-items:center;justify-content:center;background-color:#ffffff26;border-radius:var(--radius-full);color:#fff;transition:background-color var(--transition-fast);cursor:pointer}.lightbox-btn:hover{background-color:#ffffff4d}.lightbox-btn svg{width:22px;height:22px}.lightbox-image{max-width:90vw;max-height:90vh;object-fit:contain;cursor:default;border-radius:var(--radius-sm)}.file-message{display:flex;align-items:center;gap:10px;padding:8px 10px;margin:2px -4px;background-color:#0000000a;border-radius:var(--radius-md);min-width:200px}[data-theme=dark] .file-message{background-color:#ffffff0f}.file-message-icon{width:40px;height:40px;flex-shrink:0;display:flex;align-items:center;justify-content:center;background-color:var(--accent);border-radius:var(--radius-sm);color:#fff}.file-message-icon svg{width:22px;height:22px}.file-message-info{flex:1;min-width:0}.file-message-name{font-size:13px;font-weight:500;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:200px}.file-message-size{font-size:12px;color:var(--text-secondary);margin-top:1px}.file-message-download{width:32px;height:32px;display:flex;align-items:center;justify-content:center;color:var(--accent);border-radius:var(--radius-full);flex-shrink:0;transition:background-color var(--transition-fast)}.file-message-download:hover{background-color:#0000000f}[data-theme=dark] .file-message-download:hover{background-color:#ffffff14}.file-message-download svg{width:18px;height:18px}.voice-message{display:flex;align-items:center;gap:8px;min-width:200px;padding:2px 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var(--transition-fast)}.settings-save-btn:hover{background-color:var(--accent-hover)}.settings-save-btn:disabled{opacity:.6}.settings-toggle-row{display:flex;align-items:center;justify-content:space-between;padding:8px 0;gap:16px}.settings-toggle-info{display:flex;flex-direction:column;gap:2px;min-width:0}.settings-toggle-label{font-size:15px;font-weight:500;color:var(--text-primary)}.settings-toggle-desc{font-size:13px;color:var(--text-secondary)}.settings-switch{position:relative;display:inline-block;width:52px;height:30px;flex-shrink:0}.settings-switch input{opacity:0;width:0;height:0;position:absolute}.settings-switch-slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:var(--border);border-radius:15px;transition:background-color .3s ease}.settings-switch-slider:before{content:"";position:absolute;height:24px;width:24px;left:3px;bottom:3px;background-color:#fff;border-radius:var(--radius-full);transition:transform .3s ease;box-shadow:0 1px 3px #0003}.settings-switch input:checked+.settings-switch-slider{background-color:var(--accent)}.settings-switch input:checked+.settings-switch-slider:before{transform:translate(22px)}.settings-switch input:disabled+.settings-switch-slider{opacity:.5;cursor:not-allowed}.settings-divider{height:1px;background-color:var(--border);margin:4px 0}.settings-sessions-loading,.settings-sessions-empty{font-size:14px;color:var(--text-secondary);padding:8px 0}.settings-sessions-list{display:flex;flex-direction:column;gap:2px}.settings-session-item{display:flex;align-items:center;justify-content:space-between;padding:10px 0;gap:12px;border-bottom:1px solid var(--border)}.settings-session-item:last-child{border-bottom:none}.settings-session-info{display:flex;flex-direction:column;gap:2px;min-width:0}.settings-session-device{font-size:14px;font-weight:500;color:var(--text-primary);display:flex;align-items:center;gap:8px}.settings-session-current{font-size:12px;font-weight:600;color:var(--accent);background-color:#3390ec1a;padding:2px 8px;border-radius:var(--radius-sm)}[data-theme=dark] .settings-session-current{background-color:#8774e126}.settings-session-meta{font-size:13px;color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.settings-session-terminate{font-size:13px;font-weight:500;color:var(--danger);padding:6px 12px;border-radius:var(--radius-sm);flex-shrink:0}.settings-session-terminate:hover{background-color:#e539351a}.settings-terminate-all-btn{display:block;width:100%;padding:10px;margin-top:12px;font-size:14px;font-weight:500;color:var(--danger);background-color:#e5393514;border-radius:var(--radius-md);text-align:center;transition:background-color var(--transition-fast)}.settings-terminate-all-btn:hover{background-color:#e5393526}.settings-about{padding:4px 0}.settings-about-name{font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:4px}.settings-about-desc{font-size:14px;color:var(--text-secondary);margin-bottom:4px}.settings-about-version{font-size:13px;color:var(--text-secondary)}.settings-logout-btn{display:block;width:100%;padding:12px;font-size:15px;font-weight:600;color:var(--danger);text-align:center;border-radius:var(--radius-md);transition:background-color var(--transition-fast)}.settings-logout-btn:hover{background-color:#e5393514}@media (max-width: 768px){.settings-section{padding:14px 16px}.settings-header{padding:10px 12px}}.pwa-banner{position:fixed;bottom:0;left:0;right:0;z-index:1000;background-color:var(--accent);color:#fff;padding:0;animation:pwa-slide-up .35s ease-out;box-shadow:0 -2px 12px #00000026}@keyframes pwa-slide-up{0%{transform:translateY(100%);opacity:0}to{transform:translateY(0);opacity:1}}.pwa-banner-content{display:flex;align-items:center;gap:12px;padding:12px 16px;min-height:60px}.pwa-banner-close{width:28px;height:28px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;color:#fffc;flex-shrink:0;padding:0}.pwa-banner-close:hover{color:#fff;background-color:#ffffff26}.pwa-banner-close svg{width:18px;height:18px}.pwa-banner-text{flex:1;display:flex;flex-direction:column;gap:1px;min-width:0}.pwa-banner-title{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pwa-banner-subtitle{font-size:12px;opacity:.85}.pwa-banner-btn{padding:8px 18px;font-size:13px;font-weight:600;color:var(--accent);background-color:#fff;border-radius:var(--radius-md);white-space:nowrap;flex-shrink:0;transition:background-color var(--transition-fast)}.pwa-banner-btn:hover{background-color:#ffffffe6}.pwa-banner-dismiss{display:block;width:100%;padding:8px 16px;font-size:12px;color:#ffffffb3;text-align:center;border-top:1px solid rgba(255,255,255,.15)}.pwa-banner-dismiss:hover{color:#fff;background-color:#ffffff14}.pwa-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1100;background-color:#00000080;display:flex;align-items:center;justify-content:center;padding:20px;animation:pwa-fade-in .2s ease}@keyframes pwa-fade-in{0%{opacity:0}to{opacity:1}}.pwa-modal{position:relative;width:100%;max-width:420px;max-height:85vh;overflow-y:auto;background-color:var(--bg-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:28px 24px 24px;animation:pwa-modal-in .25s ease-out}@keyframes pwa-modal-in{0%{transform:scale(.95) translateY(10px);opacity:0}to{transform:scale(1) translateY(0);opacity:1}}.pwa-modal-close{position:absolute;top:12px;right:12px;width:32px;height:32px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;color:var(--text-secondary)}.pwa-modal-close:hover{background-color:var(--bg-secondary);color:var(--text-primary)}.pwa-modal-close svg{width:20px;height:20px}.pwa-instructions{display:flex;flex-direction:column;gap:16px}.pwa-modal-title{font-size:18px;font-weight:600;color:var(--text-primary);padding-right:28px;line-height:1.3}.pwa-steps{display:flex;flex-direction:column;gap:14px}.pwa-step{display:flex;align-items:flex-start;gap:14px}.pwa-step-number{width:30px;height:30px;border-radius:var(--radius-full);background-color:var(--accent);color:#fff;font-size:14px;font-weight:600;display:flex;align-items:center;justify-content:center;flex-shrink:0}.pwa-step-content{display:flex;align-items:center;gap:8px;min-height:30px;padding-top:4px;flex:1}.pwa-step-icon{flex-shrink:0;display:flex;align-items:center}.pwa-step-text{font-size:14px;color:var(--text-primary);line-height:1.4}.pwa-icon{width:22px;height:22px;color:var(--accent)}.pwa-note{font-size:14px;color:var(--text-secondary);line-height:1.5}.pwa-note-warning{color:var(--accent);font-weight:500;background-color:#3390ec14;padding:10px 14px;border-radius:var(--radius-md)}[data-theme=dark] .pwa-note-warning{background-color:#8774e11f}.pwa-copy-btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;font-size:14px;font-weight:600;color:#fff;background-color:var(--accent);border-radius:var(--radius-md);transition:background-color var(--transition-fast);align-self:flex-start}.pwa-copy-btn:hover{background-color:var(--accent-hover)}.pwa-install-action-btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:14px 20px;font-size:15px;font-weight:600;color:#fff;background-color:var(--accent);border-radius:var(--radius-md);transition:background-color var(--transition-fast);margin-top:4px}.pwa-install-action-btn:hover{background-color:var(--accent-hover)}.pwa-install-action-btn svg{width:20px;height:20px}.settings-install-btn{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--accent);padding:6px 0;margin-top:8px;cursor:pointer;transition:color var(--transition-fast)}.settings-install-btn:hover{color:var(--accent-hover)}.settings-install-btn svg{width:18px;height:18px}@media (max-width: 768px){.pwa-modal{padding:24px 18px 20px;max-width:100%;border-radius:var(--radius-lg) var(--radius-lg) 0 0;max-height:90vh;position:fixed;bottom:0;left:0;right:0;animation:pwa-modal-slide-up .3s ease-out}@keyframes pwa-modal-slide-up{0%{transform:translateY(100%)}to{transform:translateY(0)}}.pwa-modal-overlay{align-items:flex-end;padding:0}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%;text-size-adjust:100%;height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--bg-secondary);color:var(--text-primary);line-height:1.5;height:100%;overflow:hidden;transition:background-color var(--transition-normal),color var(--transition-normal);overscroll-behavior:none}#root{height:100%;overflow:hidden}a{color:var(--accent);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--accent-hover)}input,textarea,select{font-family:inherit;font-size:16px;color:var(--text-primary);background-color:transparent;border:none;outline:none;-webkit-text-size-adjust:100%}@supports (-webkit-touch-callout: none){input,textarea,select{font-size:16px!important}}input::placeholder,textarea::placeholder{color:var(--text-secondary)}button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;outline:none;background:none;color:inherit;transition:background-color var(--transition-fast),opacity var(--transition-fast)}button:disabled{cursor:not-allowed;opacity:.5}ul,ol{list-style:none}img{max-width:100%;display:block}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--text-secondary);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-primary)}*{scrollbar-width:thin;scrollbar-color:var(--text-secondary) transparent}