@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg-primary: #0e1621;--bg-secondary: #17212b;--bg-tertiary: #1c2733;--bg-hover: #242f3d;--bg-active: #2b5278;--bg-message-own: #2b5278;--bg-message-other: #182533;--bg-input: #242f3d;--bg-modal: #1c2733;--bg-overlay: rgba(0, 0, 0, .6);--text-primary: #f5f5f5;--text-secondary: #8b9bab;--text-muted: #6c7883;--text-link: #6ab2f2;--text-inverse: #0e1621;--accent: #6ab2f2;--accent-hover: #5a9fd4;--accent-gradient: linear-gradient(135deg, #6ab2f2, #8b5cf6);--accent-green: #4caf50;--accent-red: #ef5350;--accent-orange: #ff9800;--accent-purple: #8b5cf6;--border: #1e2c3a;--border-light: #2a3a4a;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--space-xs: 4px;--space-sm: 8px;--space-md: 12px;--space-lg: 16px;--space-xl: 24px;--space-2xl: 32px;--space-3xl: 48px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 20px;--radius-full: 9999px;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-xs: 11px;--font-sm: 13px;--font-md: 14px;--font-lg: 16px;--font-xl: 18px;--font-2xl: 24px;--font-3xl: 32px;--transition-fast: .15s ease;--transition-normal: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .4s cubic-bezier(.4, 0, .2, 1);--transition-spring: .5s cubic-bezier(.34, 1.56, .64, 1);--sidebar-width: 360px;font-family:var(--font-family);font-size:var(--font-md);color:var(--text-primary);background:var(--bg-primary);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100%;width:100%;overflow:hidden}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-light);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.auth-page{height:100%;display:flex;align-items:center;justify-content:center;background:var(--bg-primary);padding:var(--space-lg);position:relative;overflow:hidden}.auth-page:before{content:"";position:absolute;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(106,178,242,.08) 0%,transparent 70%);top:-200px;right:-200px}.auth-page:after{content:"";position:absolute;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(139,92,246,.06) 0%,transparent 70%);bottom:-100px;left:-100px}.auth-card{background:var(--bg-secondary);border-radius:var(--radius-xl);padding:var(--space-3xl);width:100%;max-width:420px;box-shadow:var(--shadow-lg);border:1px solid var(--border);position:relative;z-index:1;animation:fadeInUp .5s ease}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInBounce{0%{opacity:0;transform:translateY(12px) scale(.96)}60%{opacity:1;transform:translateY(-2px) scale(1.01)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes popIn{0%{opacity:0;transform:scale(.85)}60%{transform:scale(1.03)}to{opacity:1;transform:scale(1)}}@keyframes pulseGlow{0%,to{box-shadow:0 0 #6ab2f266}50%{box-shadow:0 0 0 8px #6ab2f200}}.auth-logo{text-align:center;margin-bottom:var(--space-2xl)}.auth-logo h1{font-size:var(--font-3xl);font-weight:700;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:var(--space-xs)}.auth-logo p{color:var(--text-secondary);font-size:var(--font-sm)}.auth-form{display:flex;flex-direction:column;gap:var(--space-lg)}.form-group{display:flex;flex-direction:column;gap:var(--space-xs)}.form-group label{font-size:var(--font-sm);color:var(--text-secondary);font-weight:500}.form-input{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-md);padding:var(--space-md) var(--space-lg);color:var(--text-primary);font-size:var(--font-md);font-family:var(--font-family);transition:border-color var(--transition-fast),box-shadow var(--transition-fast);outline:none}.form-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #6ab2f226}.form-input::placeholder{color:var(--text-muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-md) var(--space-xl);border-radius:var(--radius-md);font-size:var(--font-md);font-weight:600;font-family:var(--font-family);cursor:pointer;border:none;transition:all var(--transition-fast);line-height:1.4}.btn-primary{background:var(--accent-gradient);color:#fff}.btn-primary:hover{opacity:.9;transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--bg-input);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg-hover);border-color:var(--border-light)}.btn-ghost{background:transparent;color:var(--accent)}.btn-ghost:hover{background:#6ab2f21a}.btn-danger{background:var(--accent-red);color:#fff}.btn-danger:hover{opacity:.9}.btn-sm{padding:var(--space-xs) var(--space-md);font-size:var(--font-sm)}.btn-icon{padding:var(--space-sm);border-radius:var(--radius-full);background:transparent;color:var(--text-secondary);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast)}.btn-icon:hover{background:var(--bg-hover);color:var(--text-primary)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.btn-full{width:100%}.auth-switch{text-align:center;margin-top:var(--space-lg);color:var(--text-secondary);font-size:var(--font-sm)}.auth-switch a{color:var(--accent);text-decoration:none;font-weight:600;cursor:pointer}.auth-switch a:hover{text-decoration:underline}.error-message{background:#ef53501a;border:1px solid rgba(239,83,80,.3);border-radius:var(--radius-md);padding:var(--space-md);color:var(--accent-red);font-size:var(--font-sm);text-align:center;animation:shake .4s ease}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}.success-message{background:#4caf501a;border:1px solid rgba(76,175,80,.3);border-radius:var(--radius-md);padding:var(--space-md);color:var(--accent-green);font-size:var(--font-sm);text-align:center}.app-layout{display:flex;height:100%;width:100%}.sidebar{width:var(--sidebar-width);min-width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;height:100%;transition:transform var(--transition-normal)}.sidebar-header{padding:var(--space-md) var(--space-lg);display:flex;align-items:center;gap:var(--space-md);border-bottom:1px solid var(--border);min-height:56px}.sidebar-header h2{font-size:var(--font-lg);font-weight:600;flex:1;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.search-bar{padding:var(--space-sm) var(--space-lg);border-bottom:1px solid var(--border)}.search-input{width:100%;background:var(--bg-input);border:1px solid transparent;border-radius:var(--radius-full);padding:var(--space-sm) var(--space-lg);color:var(--text-primary);font-family:var(--font-family);font-size:var(--font-sm);outline:none;transition:border-color var(--transition-fast)}.search-input:focus{border-color:var(--accent)}.search-input::placeholder{color:var(--text-muted)}.sidebar-content{flex:1;overflow-y:auto}.group-list{list-style:none}.group-item{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md) var(--space-lg);cursor:pointer;transition:all var(--transition-normal);border-bottom:1px solid var(--border);position:relative}.group-item:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent-gradient);transform:scaleY(0);transition:transform var(--transition-normal);border-radius:0 3px 3px 0}.group-item:hover{background:var(--bg-hover)}.group-item:hover:before{transform:scaleY(1)}.group-item:active{transform:scale(.99)}.group-item.active{background:var(--bg-active)}.group-item.active:before{transform:scaleY(1)}.group-avatar{width:48px;height:48px;border-radius:var(--radius-full);background:var(--accent-gradient);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:var(--font-xl);color:#fff;flex-shrink:0}.group-info{flex:1;min-width:0}.group-name{font-weight:600;font-size:var(--font-md);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.group-preview{font-size:var(--font-sm);color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.main-area{flex:1;display:flex;flex-direction:column;height:100%;background:var(--bg-primary);min-width:0}.chat-header{padding:var(--space-md) var(--space-xl);display:flex;align-items:center;gap:var(--space-md);border-bottom:1px solid var(--border);background:var(--bg-secondary);min-height:56px}.chat-header-info{flex:1;min-width:0}.chat-header-info h3{font-size:var(--font-lg);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-header-info p{font-size:var(--font-xs);color:var(--text-secondary)}.chat-header-actions{display:flex;gap:var(--space-xs)}.topic-tabs{display:flex;gap:var(--space-xs);padding:var(--space-sm) var(--space-lg);background:var(--bg-secondary);border-bottom:1px solid var(--border);overflow-x:auto;scrollbar-width:none}.topic-tabs::-webkit-scrollbar{display:none}.topic-tab{padding:var(--space-xs) var(--space-lg);border-radius:var(--radius-full);font-size:var(--font-sm);font-weight:500;white-space:nowrap;background:transparent;color:var(--text-secondary);border:1px solid transparent;cursor:pointer;font-family:var(--font-family);transition:all var(--transition-normal);position:relative}.topic-tab:hover{background:var(--bg-hover);color:var(--text-primary);transform:translateY(-1px)}.topic-tab:active{transform:translateY(0)}.topic-tab.active{background:var(--bg-active);color:#fff;border-color:var(--accent);box-shadow:0 2px 8px #2b527866}.topic-tab-add{padding:var(--space-xs) var(--space-md);border-radius:var(--radius-full);background:transparent;color:var(--text-muted);border:1px dashed var(--border-light);cursor:pointer;font-family:var(--font-family);font-size:var(--font-sm);transition:all var(--transition-normal);display:flex;align-items:center;gap:4px}.topic-tab-add:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}.messages-area{flex:1;overflow-y:auto;padding:var(--space-lg) var(--space-xl) 32px var(--space-xl);display:flex;flex-direction:column}.message{display:flex;gap:var(--space-sm);max-width:75%;animation:slideInBounce .35s ease-out both;margin-top:24px;position:relative;transition:z-index 0s}.message:hover{z-index:5}.message.chain{margin-top:2px}.message.own{align-self:flex-end;flex-direction:row-reverse}.message-avatar{width:34px;height:34px;border-radius:var(--radius-full);background:var(--accent-gradient);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:var(--font-xs);color:#fff;flex-shrink:0;margin-top:2px;transition:transform var(--transition-fast)}.message:not(.own).chain .message-avatar{visibility:hidden}.message-wrapper{display:flex;flex-direction:column;align-items:flex-start;max-width:100%}.message.own .message-wrapper{align-items:flex-end}.message-bubble{background:var(--bg-message-other);border-radius:4px var(--radius-lg) var(--radius-lg) var(--radius-lg);padding:6px 10px 8px 12px;min-width:60px;max-width:100%;position:relative;box-shadow:0 1px 2px #00000026;transition:box-shadow var(--transition-fast),transform var(--transition-fast)}.message-bubble:hover{box-shadow:0 2px 8px #00000040}.message.own .message-bubble{background:var(--bg-message-own);border-radius:var(--radius-lg) 4px var(--radius-lg) var(--radius-lg)}.message:not(.own) .message-bubble{border-radius:4px var(--radius-lg) var(--radius-lg) var(--radius-lg)}.message-sender{font-size:var(--font-xs);font-weight:600;color:var(--accent);margin-bottom:2px}.message-content{font-size:var(--font-md);line-height:1.4;word-break:break-word;display:inline-block;padding-right:44px}.message-time{font-size:11px;color:var(--text-muted);float:right;margin-top:2px;margin-left:-40px;-webkit-user-select:none;user-select:none}.message-reply{background:#6ab2f21a;border-left:2px solid var(--accent);padding:var(--space-xs) var(--space-sm);border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin-bottom:var(--space-xs);font-size:var(--font-sm);color:var(--text-secondary);cursor:pointer}.message-file{margin-top:var(--space-sm)}.message-file video,.message-file img{max-width:100%;max-height:300px;border-radius:var(--radius-md);object-fit:cover}.message-caption{font-size:13px;color:#ffffffeb;padding:6px 4px 2px;line-height:1.45;word-break:break-word}.message.own .message-caption{color:#fffffff5}.message-file-card{display:flex;align-items:center;gap:12px;padding:10px 14px;background:#ffffff12;border:1px solid rgba(255,255,255,.12);border-radius:12px;text-decoration:none;cursor:pointer;transition:background .18s;min-width:220px;max-width:320px}.message-file-card:hover{background:#ffffff1f}.message.own .message-file-card{background:#ffffff1f;border-color:#ffffff2e}.message.own .message-file-card:hover{background:#ffffff2e}.message-file-icon{font-size:28px;flex-shrink:0;line-height:1}.message-file-details{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.message-file-name{font-size:13px;font-weight:600;color:#fffffff2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.message-file-size{font-size:11px;color:#ffffff8c;font-weight:400}.message-file-caption{font-size:12px;color:#ffffffbf;margin-top:3px;word-break:break-word}.message-file-download{font-size:18px;color:#fff9;flex-shrink:0}.message-file-info{display:none}.message-input-area{padding:var(--space-md) var(--space-xl);background:#17212bd9;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid rgba(30,44,58,.6)}.reply-preview{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);background:#6ab2f214;border-left:3px solid var(--accent);border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin-bottom:var(--space-sm);font-size:var(--font-sm);animation:slideInBounce .25s ease-out}.reply-preview span{flex:1;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.message-input-row{display:flex;align-items:flex-end;gap:var(--space-sm)}.message-input{flex:1;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-xl);padding:var(--space-md) var(--space-lg);color:var(--text-primary);font-family:var(--font-family);font-size:var(--font-md);outline:none;resize:none;min-height:44px;max-height:120px;line-height:1.4;transition:border-color var(--transition-normal),box-shadow var(--transition-normal)}.message-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #6ab2f21a}.message-input::-webkit-scrollbar{display:none}.send-btn{width:44px;height:44px;border-radius:var(--radius-full);background:var(--accent-gradient);border:none;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition-normal);flex-shrink:0}.send-btn:hover{transform:scale(1.08);box-shadow:0 2px 12px #6ab2f266}.send-btn:active{transform:scale(.95)}.send-btn:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:var(--text-muted);gap:var(--space-lg);padding:var(--space-2xl);text-align:center}.empty-state-icon{width:80px;height:80px;border-radius:var(--radius-full);background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;color:var(--text-muted)}.empty-state h3{font-size:var(--font-xl);color:var(--text-secondary)}.empty-state p{font-size:var(--font-sm);max-width:300px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--bg-overlay);display:flex;align-items:center;justify-content:center;z-index:100;animation:fadeIn .2s ease;padding:var(--space-lg)}.modal{background:var(--bg-modal);border-radius:var(--radius-xl);padding:var(--space-xl);width:100%;max-width:480px;box-shadow:var(--shadow-lg);border:1px solid var(--border);animation:popIn .35s var(--transition-spring);max-height:85vh;overflow-y:auto}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-xl)}.modal-header h3{font-size:var(--font-xl);font-weight:700}.modal-body{display:flex;flex-direction:column;gap:var(--space-lg)}.modal-footer{display:flex;gap:var(--space-sm);justify-content:flex-end;margin-top:var(--space-xl)}.settings-page{height:100%;display:flex;flex-direction:column}.settings-section{padding:var(--space-xl);border-bottom:1px solid var(--border)}.settings-section h4{font-size:var(--font-lg);font-weight:600;margin-bottom:var(--space-lg);color:var(--accent)}.settings-item{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md) 0}.settings-item-label{display:flex;align-items:center;gap:var(--space-md)}.settings-item-label span{font-size:var(--font-md)}.settings-item-label small{font-size:var(--font-xs);color:var(--text-muted);display:block}.toggle{width:44px;height:24px;background:var(--bg-input);border-radius:var(--radius-full);position:relative;cursor:pointer;border:1px solid var(--border);transition:background var(--transition-fast)}.toggle.active{background:var(--accent);border-color:var(--accent)}.toggle:after{content:"";width:18px;height:18px;border-radius:var(--radius-full);background:#fff;position:absolute;top:2px;left:2px;transition:transform var(--transition-fast)}.toggle.active:after{transform:translate(20px)}.group-panel{width:320px;min-width:320px;background:var(--bg-secondary);border-left:1px solid var(--border);display:flex;flex-direction:column;height:100%;overflow-y:auto}.group-panel-header{padding:var(--space-xl);text-align:center;border-bottom:1px solid var(--border)}.group-panel-avatar{width:80px;height:80px;border-radius:var(--radius-full);background:var(--accent-gradient);display:flex;align-items:center;justify-content:center;font-size:var(--font-3xl);color:#fff;font-weight:700;margin:0 auto var(--space-md)}.group-panel-header h3{font-size:var(--font-xl);font-weight:700}.group-panel-header p{font-size:var(--font-sm);color:var(--text-secondary);margin-top:var(--space-xs)}.member-list{list-style:none}.member-item{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md) var(--space-lg);transition:background var(--transition-fast)}.member-item:hover{background:var(--bg-hover)}.member-avatar{width:36px;height:36px;border-radius:var(--radius-full);background:var(--accent-gradient);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:var(--font-sm);color:#fff;flex-shrink:0}.member-info{flex:1;min-width:0}.member-name{font-weight:500;font-size:var(--font-md)}.member-role{font-size:var(--font-xs);color:var(--text-muted)}.role-badge{font-size:var(--font-xs);padding:2px var(--space-sm);border-radius:var(--radius-full);font-weight:600}.role-badge.admin{background:#6ab2f226;color:var(--accent)}.role-badge.moderator{background:#8b5cf626;color:var(--accent-purple)}.request-item{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md) var(--space-lg);border-bottom:1px solid var(--border)}.request-actions{display:flex;gap:var(--space-xs)}.loader{display:flex;align-items:center;justify-content:center;padding:var(--space-2xl)}.spinner{width:32px;height:32px;border:3px solid var(--border-light);border-top-color:var(--accent);border-radius:var(--radius-full);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.toast-container{position:fixed;bottom:var(--space-xl);right:var(--space-xl);z-index:200;display:flex;flex-direction:column;gap:var(--space-sm)}.toast{background:var(--bg-tertiary);color:var(--text-primary);padding:var(--space-md) var(--space-xl);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);border:1px solid var(--border);font-size:var(--font-sm);animation:slideIn .3s ease;max-width:360px}@keyframes slideIn{0%{opacity:0;transform:translate(100px)}to{opacity:1;transform:translate(0)}}.toast.success{border-left:3px solid var(--accent-green)}.toast.error{border-left:3px solid var(--accent-red)}.toast.info{border-left:3px solid var(--accent)}@media (max-width: 768px){.sidebar{position:fixed;left:0;top:0;bottom:0;z-index:50;width:100%;min-width:100%;transform:translate(0)}.sidebar.hidden{transform:translate(-100%)}.group-panel{position:fixed;right:0;top:0;bottom:0;z-index:50;width:100%;min-width:100%}.message{max-width:90%}}.search-results{list-style:none;max-height:400px;overflow-y:auto}.search-result-item{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md);border-radius:var(--radius-md);cursor:pointer;transition:background var(--transition-fast)}.search-result-item:hover{background:var(--bg-hover)}.search-result-info{flex:1;min-width:0}.search-result-name{font-weight:600;font-size:var(--font-md)}.search-result-desc{font-size:var(--font-sm);color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.date-divider{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-sm) 0}.date-divider:before,.date-divider:after{content:"";flex:1;height:1px;background:var(--border)}.date-divider span{font-size:var(--font-xs);color:var(--text-muted);white-space:nowrap}.drop-zone{position:absolute;top:0;right:0;bottom:0;left:0;background:#6ab2f21a;border:2px dashed var(--accent);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;z-index:10;animation:fadeIn .2s ease}.drop-zone-text{font-size:var(--font-xl);font-weight:600;color:var(--accent)}.badge{background:var(--accent);color:#fff;font-size:var(--font-xs);font-weight:700;padding:2px 6px;border-radius:var(--radius-full);min-width:20px;text-align:center}.online-indicator{width:10px;height:10px;border-radius:var(--radius-full);background:var(--accent-green);border:2px solid var(--bg-secondary);position:absolute;bottom:0;right:0}.user-profile-bar{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md) var(--space-lg);background:var(--bg-tertiary);border-top:1px solid var(--border);cursor:pointer;transition:background var(--transition-fast)}.user-profile-bar:hover{background:var(--bg-hover)}.user-profile-bar .group-avatar{width:36px;height:36px;font-size:var(--font-sm)}.user-profile-bar .group-name{font-size:var(--font-md)}.user-profile-bar .group-preview{font-size:var(--font-xs)}.message-react-btn{position:absolute;right:-8px;bottom:-10px;width:26px;height:26px;border-radius:var(--radius-full);background:var(--bg-secondary);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--text-muted);cursor:pointer;opacity:0;transform:scale(.8);transition:all var(--transition-fast);z-index:10;box-shadow:var(--shadow-sm)}.message-bubble:hover .message-react-btn,.message-wrapper:hover .message-react-btn{opacity:1;transform:scale(1)}.message-react-btn:hover{color:var(--accent);border-color:var(--accent);background:var(--bg-hover);transform:scale(1.1)!important}.message.own .message-react-btn{right:auto;left:-8px}.emoji-picker{background:var(--bg-modal);border:1px solid var(--border);border-radius:var(--radius-xl);padding:var(--space-sm);display:flex;flex-wrap:wrap;gap:4px;width:280px;box-shadow:var(--shadow-lg);animation:popIn .2s var(--transition-spring)}.emoji-btn{width:36px;height:36px;border-radius:var(--radius-md);border:none;background:transparent;font-size:20px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition-fast)}.emoji-btn:hover{background:var(--bg-hover);transform:scale(1.15)}.reaction-bar{display:flex;flex-wrap:wrap;gap:4px;margin-top:2px;margin-left:4px;z-index:5}.message.own .reaction-bar{margin-left:0;margin-right:4px;justify-content:flex-end}.reaction-pill{display:flex;align-items:center;gap:4px;padding:2px 8px;border-radius:var(--radius-full);background:#1e2c3a99;border:1px solid transparent;cursor:pointer;transition:all var(--transition-fast);font-size:13px;color:var(--text-secondary)}.message.own .reaction-pill{background:#00000026}.reaction-pill:hover{background:#1e2c3ae6;transform:scale(1.05)}.message.own .reaction-pill:hover{background:#00000040}.reaction-pill.reacted{background:#6ab2f226;border-color:#6ab2f24d;color:var(--accent)}.message.own .reaction-pill.reacted{background:#fff3;border-color:#ffffff4d;color:#fff}.reaction-emoji{font-size:14px}.reaction-count{font-weight:600}.media-upload-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000bf;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease}.media-upload-modal{background:var(--bg-secondary);border:1px solid var(--border);border-radius:16px;padding:24px;width:520px;max-width:90vw;max-height:90vh;overflow-y:auto;display:flex;flex-direction:column;gap:16px;animation:scaleIn .25s cubic-bezier(.34,1.56,.64,1);box-shadow:0 24px 64px #00000080}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.media-upload-header{display:flex;align-items:center;justify-content:space-between}.media-upload-header h3{font-size:16px;font-weight:600;color:var(--text-primary);margin:0}.media-upload-preview{display:flex;align-items:center;justify-content:center;background:#0000004d;border-radius:12px;overflow:hidden;min-height:160px}.file-preview-icon{display:flex;flex-direction:column;align-items:center;gap:12px;color:var(--text-secondary);padding:32px}.media-upload-info{display:flex;justify-content:space-between;align-items:center}.media-upload-filename{font-size:13px;color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:70%}.media-upload-size{font-size:12px;color:var(--text-muted);flex-shrink:0}.media-upload-caption{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-xl);padding:10px 16px;color:var(--text-primary);font-family:var(--font-family);font-size:var(--font-md);outline:none;width:100%;box-sizing:border-box;transition:border-color var(--transition-normal)}.media-upload-caption:focus{border-color:var(--accent)}.media-upload-progress-bar{height:4px;background:var(--border);border-radius:4px;overflow:hidden}.media-upload-progress-fill{height:100%;border-radius:4px;transition:width .3s ease}.media-upload-actions{display:flex;gap:10px}.media-send-video{display:flex;align-items:center;justify-content:center;gap:8px;flex:1;padding:10px 16px;border-radius:var(--radius-lg);font-size:var(--font-sm);font-weight:600;width:auto;height:auto}.media-send-file{display:flex;align-items:center;justify-content:center;gap:8px;flex:1;padding:10px 16px;background:var(--bg-hover);border:1px solid var(--border);color:var(--text-primary);border-radius:var(--radius-lg);cursor:pointer;font-size:var(--font-sm);font-weight:600;transition:all var(--transition-normal);width:auto;height:auto}.media-send-file:hover{background:var(--bg-active);border-color:var(--accent)}.message-input-area{position:relative}.message-input-area.drag-over{border-color:var(--accent)!important}.drag-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#6ab2f21a;border:2px dashed var(--accent);border-radius:12px;display:flex;align-items:center;justify-content:center;z-index:10;pointer-events:none}.drag-overlay-content{display:flex;flex-direction:column;align-items:center;gap:10px;color:var(--accent);font-weight:600;font-size:15px}.media-thumbnail-strip{display:flex;gap:8px;overflow-x:auto;padding:4px 2px;scrollbar-width:thin}.media-thumb{position:relative;flex-shrink:0;width:60px;height:60px;border-radius:8px;overflow:visible;cursor:pointer;border:2px solid var(--border);transition:border-color .2s}.media-thumb.active,.media-thumb:hover{border-color:var(--accent)}.media-thumb-remove{position:absolute;top:-6px;right:-6px;width:18px;height:18px;border-radius:50%;background:#ef4444e6;border:none;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:2;padding:0;line-height:1}.preview-nav-btn{position:absolute;top:50%;transform:translateY(-50%);background:#0009;border:none;border-radius:50%;width:36px;height:36px;display:flex;align-items:center;justify-content:center;color:#fff;cursor:pointer;z-index:10;transition:background .2s}.preview-nav-btn:hover{background:#000000d9}.preview-nav-btn.prev{left:8px}.preview-nav-btn.next{right:8px}.custom-video-container{position:relative;border-radius:10px;overflow:hidden;background:#000;display:flex;justify-content:center;align-items:center;user-select:none;-webkit-user-select:none}.custom-video-container:fullscreen{border-radius:0;width:100vw!important;height:100vh!important;max-width:none!important;max-height:none!important}.custom-video-container:fullscreen .custom-video-element{max-height:none!important;max-width:none!important;width:100vw!important;height:100vh!important;object-fit:contain}.custom-video-container:-webkit-full-screen{border-radius:0;width:100vw!important;height:100vh!important;max-width:none!important;max-height:none!important}.custom-video-container:-webkit-full-screen .custom-video-element{max-height:none!important;max-width:none!important;width:100vw!important;height:100vh!important;object-fit:contain}.custom-video-container.is-fullscreen{border-radius:0!important;width:100vw!important;height:100vh!important;max-width:none!important;max-height:none!important}.custom-video-container.is-fullscreen .custom-video-element{max-height:none!important;max-width:none!important;width:100vw!important;height:100vh!important;object-fit:contain}.custom-video-element{width:100%;height:100%;object-fit:contain;display:block}.custom-video-center-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#0006;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);border-radius:50%;width:64px;height:64px;display:flex;align-items:center;justify-content:center;pointer-events:none;z-index:5;transition:opacity .2s,transform .2s}.custom-video-center-expand{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:5;cursor:pointer;display:flex;align-items:center;justify-content:center}.custom-video-center-expand .expand-btn-bg{background:#0006;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-radius:50%;width:56px;height:56px;display:flex;align-items:center;justify-content:center;transition:background .2s,transform .2s}.custom-video-center-expand:hover .expand-btn-bg{background:#0009;transform:scale(1.05)}.custom-video-controls{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(to top,#000c,#0000);padding:20px 10px 10px;display:flex;flex-direction:column;gap:8px;z-index:10;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}.custom-video-container.show-controls .custom-video-controls{opacity:1;visibility:visible}.custom-video-progress-container{width:100%;height:12px;display:flex;align-items:center;cursor:pointer;position:relative;z-index:11}.custom-video-progress-bg{width:100%;height:4px;background:#ffffff4d;border-radius:2px;position:relative;transition:height .1s}.custom-video-progress-container:hover .custom-video-progress-bg{height:6px}.custom-video-progress-fill{position:absolute;top:0;left:0;height:100%;background:var(--accent, #6AB2F2);border-radius:2px;will-change:width}.custom-video-progress-thumb{position:absolute;right:-6px;top:50%;transform:translateY(-50%);width:12px;height:12px;background:#fff;border-radius:50%;opacity:0;transition:opacity .2s;box-shadow:0 0 5px #0000004d}.custom-video-progress-container:hover .custom-video-progress-thumb{opacity:1}.custom-video-controls-bar{display:flex;justify-content:space-between;align-items:center;height:32px}.custom-video-controls-left,.custom-video-controls-right{display:flex;align-items:center;gap:12px}.custom-video-btn{background:none;border:none;color:#fff;padding:4px;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:.8;transition:opacity .2s,color .2s}.custom-video-btn:hover{opacity:1}.custom-video-time{color:#ffffffe6;font-size:13px;font-variant-numeric:tabular-nums;margin-left:4px;margin-right:4px}.custom-video-speed-btn{font-weight:600;font-size:14px;width:32px;height:32px;border-radius:4px;background:#ffffff1a}.custom-video-speed-btn.active{color:var(--accent, #6AB2F2);background:#ffffff26}.custom-video-speed-menu{position:absolute;bottom:100%;right:0;margin-bottom:8px;background:#1e1e23f2;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-radius:8px;padding:6px;display:flex;flex-direction:column;gap:2px;box-shadow:0 4px 12px #00000080;z-index:20}.custom-video-speed-option{background:none;border:none;color:#fff;padding:6px 16px;border-radius:4px;cursor:pointer;font-size:13px;font-weight:500;text-align:center;transition:background .15s}.custom-video-speed-option:hover{background:#ffffff1a}.custom-video-speed-option.active{color:var(--accent, #6AB2F2);background:#ffffff0d}.media-group-grid{display:grid;gap:2px;border-radius:var(--radius-md);overflow:hidden;margin-top:var(--space-sm);background:#0000001a;max-width:480px}.grid-item{position:relative;overflow:hidden;background:#000;display:flex;align-items:center;justify-content:center}.grid-item img,.grid-item .custom-video-container{width:100%!important;height:100%!important;object-fit:cover!important;max-height:none!important;max-width:none!important}.media-group-grid.count-5{grid-template-columns:1fr 1fr 1fr;grid-template-rows:repeat(2,1fr)}.media-group-grid.count-5 .grid-item:nth-child(1),.media-group-grid.count-5 .grid-item:nth-child(2){grid-column:span 1.5}.media-group-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:2px;border-radius:var(--radius-lg);overflow:hidden;margin-top:var(--space-sm);background:#00000026;max-width:520px;aspect-ratio:auto}.media-group-grid.count-1{grid-template-columns:1fr}.media-group-grid.count-2{grid-template-columns:repeat(2,1fr);aspect-ratio:4/3}.media-group-grid.count-2 .grid-item{grid-column:span 1}.media-group-grid.count-3{grid-template-columns:repeat(6,1fr)}.media-group-grid.count-3 .grid-item:nth-child(1){grid-column:span 6;aspect-ratio:16/9}.media-group-grid.count-3 .grid-item:nth-child(n+2){grid-column:span 3;aspect-ratio:1/1}.media-group-grid.count-4{grid-template-columns:repeat(4,1fr);aspect-ratio:1/1}.media-group-grid.count-4 .grid-item{grid-column:span 1}.media-group-grid.count-5{grid-template-columns:repeat(6,1fr)}.media-group-grid.count-5 .grid-item:nth-child(1),.media-group-grid.count-5 .grid-item:nth-child(2){grid-column:span 3;aspect-ratio:1/1}.media-group-grid.count-5 .grid-item:nth-child(n+3){grid-column:span 2;aspect-ratio:1/1}.media-group-grid.count-6{grid-template-columns:repeat(3,1fr);aspect-ratio:3/2}.media-group-grid.count-6 .grid-item{grid-column:span 1}.media-group-grid.count-7,.media-group-grid.count-8,.media-group-grid.count-9,.media-group-grid.count-10{grid-template-columns:repeat(3,1fr);grid-auto-rows:minmax(100px,1fr)}.media-group-grid.count-7 .grid-item:nth-child(1){grid-column:span 3;aspect-ratio:21/9}.media-group-grid.count-more{grid-template-columns:repeat(auto-fill,minmax(130px,1fr));grid-auto-rows:130px}.media-group-caption{padding:8px 10px;font-size:13px;color:#ffffffeb;line-height:1.4;word-break:break-word}.options-menu-popup{animation:fadeIn .1s ease-out;box-shadow:0 8px 24px #0000004d!important;border:1px solid rgba(255,255,255,.1)!important;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);min-width:160px}.dropdown-panel{background:var(--surface-light);border-radius:10px;overflow:hidden;padding:4px}.dropdown-item{display:flex;align-items:center;gap:10px;padding:8px 12px;font-size:14px;color:var(--text-primary);cursor:pointer;border-radius:6px;transition:background .15s}.dropdown-item:hover{background:#6ab2f226}.dropdown-item.text-danger:hover{background:#ff4b4b1a}.edit-preview{display:flex;flex-direction:column;gap:4px;border-bottom:none!important;border-top-left-radius:12px;border-top-right-radius:12px;animation:slideUp .2s ease-out}@keyframes slideUp{0%{transform:translateY(10px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes fadeIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.image-viewer-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000f2;z-index:2000;display:flex;flex-direction:column;animation:fadeIn .15s ease-out;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.image-viewer-toolbar{display:flex;justify-content:flex-end;gap:16px;padding:20px;z-index:2001}.image-viewer-content{flex:1;display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative;width:100%;height:100%}.full-screen-image{max-width:95vw;max-height:85vh;object-fit:contain;box-shadow:0 10px 40px #000c;border-radius:4px;animation:zoomImg .3s cubic-bezier(.175,.885,.32,1.1);-webkit-user-select:none;user-select:none}@keyframes zoomImg{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}