*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary:#1e1f22;--bg-secondary:#2b2d31;--bg-tertiary:#232428;--bg-hover:#35373c;--bg-active:#404249;--text-primary:#f2f3f5;--text-secondary:#949ba4;--text-muted:#5c5e66;--accent:#5865f2;--accent-hover:#4752c4;--green:#23a55a;--red:#f23f42;--border:#1e1f22;color:var(--text-primary);background:var(--bg-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px}body{background:var(--bg-primary);height:100vh;overflow:hidden}#root{flex-direction:column;height:100vh;display:flex}button{cursor:pointer;color:inherit;font:inherit;background:0 0;border:none}input,textarea{font:inherit;color:inherit;background:0 0;border:none;outline:none}.auth-page{background:var(--bg-primary);justify-content:center;align-items:center;height:100vh;display:flex}.auth-card{background:var(--bg-secondary);border-radius:8px;width:100%;max-width:400px;padding:32px;box-shadow:0 8px 24px #0006}.auth-card h1{text-align:center;margin-bottom:8px;font-size:24px}.auth-card p{text-align:center;color:var(--text-secondary);margin-bottom:24px}.form-group{margin-bottom:16px}.form-group label{text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary);margin-bottom:8px;font-size:12px;font-weight:600;display:block}.form-group input,.form-group select,.form-group textarea{background:var(--bg-primary);border:1px solid var(--bg-hover);width:100%;color:var(--text-primary);resize:vertical;border-radius:4px;padding:10px 12px;font-family:inherit;transition:border-color .15s}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--accent)}.btn-primary{background:var(--accent);color:#fff;border-radius:4px;width:100%;margin-top:8px;padding:10px;font-size:14px;font-weight:500;transition:background .15s}.btn-primary:hover{background:var(--accent-hover)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.auth-footer{text-align:center;color:var(--text-secondary);margin-top:16px;font-size:13px}.auth-footer a{color:var(--accent);cursor:pointer;text-decoration:none}.error-msg{color:#f23f42;background:#f23f4226;border:1px solid #f23f424d;border-radius:4px;margin-bottom:16px;padding:8px 12px;font-size:13px}.app-layout{height:100vh;display:flex;overflow:hidden}.sidebar{background:var(--bg-primary);border-right:1px solid #ffffff0d;flex-direction:column;width:240px;min-width:240px;display:flex}.sidebar-header{cursor:pointer;border-bottom:1px solid #ffffff0d;align-items:center;height:48px;padding:0 16px;font-size:15px;font-weight:700;display:flex}.sidebar-body{flex:1;padding:8px 0;overflow-y:auto}.channel-section{margin-bottom:4px}.channel-section+.channel-section{margin-top:12px}.channel-section-label{text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);justify-content:space-between;align-items:center;gap:6px;padding:8px 16px 4px;font-size:12px;font-weight:700;display:flex}.channel-section-label span{flex:1}.category-collapse-btn{width:14px;height:14px;color:var(--text-muted);border-radius:3px;flex-shrink:0;justify-content:center;align-items:center;font-size:9px;line-height:1;transition:color .15s;display:flex}.category-collapse-btn:hover{color:var(--text-primary)}.channel-create-btn{width:18px;height:18px;color:var(--text-muted);border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;font-size:16px;font-weight:500;line-height:1;transition:color .15s,background 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.channel-name{color:var(--text-primary)}.channel-item.scheduled .channel-name{color:var(--text-muted)}.channel-item.archived .channel-name{color:var(--text-muted);font-style:italic}.channel-presence{flex-direction:column;gap:4px;padding:4px 0 4px 30px;display:flex}.presence-user{color:var(--text-secondary);align-items:center;gap:8px;font-size:13px;display:flex}.avatar{color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;font-size:11px;font-weight:700;display:flex}.channel-presence .avatar{width:28px;height:28px;font-size:11px}.avatar-lg{width:32px;height:32px;font-size:13px}.avatar-with-status{flex-shrink:0;display:inline-flex;position:relative}.status-indicator{border:2px solid var(--bg-primary);box-sizing:content-box;border-radius:50%;width:10px;height:10px;position:absolute;bottom:-1px;right:-1px}.user-panel .avatar-with-status .status-indicator{border-color:var(--bg-tertiary)}.members-panel{background:var(--bg-primary);border-left:1px solid #ffffff0d;flex-direction:column;width:220px;min-width:220px;display:flex}.members-panel-header{border-bottom:1px solid #ffffff0d;align-items:center;height:48px;padding:0 16px;font-size:15px;font-weight:700;display:flex}.members-panel-body{flex:1;padding:16px 8px;overflow-y:auto}.members-group{margin-bottom:16px}.members-group-label{text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);padding:0 8px 4px;font-size:11px;font-weight:700}.members-item{cursor:pointer;border-radius:4px;align-items:center;gap:8px;padding:4px 8px;display:flex}.members-item:hover{background:var(--bg-hover)}.members-item.active{background:var(--bg-active)}.members-item.active 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.channel-icon{color:var(--text-muted);flex-shrink:0}.channel-header-info{flex-direction:column;flex:1;min-width:0;display:flex}.channel-header-name{font-size:15px;font-weight:600}.channel-header-description{color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;font-size:12px;font-weight:400;overflow:hidden}.channel-status-badge{text-transform:uppercase;letter-spacing:.5px;border-radius:10px;flex-shrink:0;padding:2px 8px;font-size:10px;font-weight:700}.channel-status-badge.scheduled{color:#faa61a;background:#faa61a26}.channel-status-badge.expired{color:var(--red);background:#f23f4226}.channel-status-badge.archived{color:var(--text-secondary);background:#949ba426}.chat-room{flex-direction:column;flex:1;display:flex;overflow:hidden}.chat-messages{flex-direction:column;flex:1;gap:2px;padding:16px;display:flex;overflow-y:auto}.message-group{gap:12px;padding:4px 0;display:flex}.message-group.compact{padding:1px 0 1px 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.15s;display:flex}.voice-control-btn:hover{background:var(--bg-active);color:var(--text-primary)}.voice-control-btn.active{background:var(--red);color:#fff}.screen-share-picker-overlay{z-index:100;background:#0009;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.screen-share-picker{background:var(--bg-secondary);border-radius:12px;flex-direction:column;gap:12px;width:90%;max-width:640px;max-height:80vh;padding:16px;display:flex;box-shadow:0 8px 32px #00000080}.screen-share-picker-header{justify-content:space-between;align-items:center;display:flex}.screen-share-picker-header h4{color:var(--text-primary);margin:0;font-size:16px}.screen-share-picker-close{color:var(--text-secondary);background:0 0;border-radius:4px;justify-content:center;align-items:center;width:28px;height:28px;font-size:18px;transition:background .15s,color .15s;display:flex}.screen-share-picker-close:hover{background:var(--bg-hover);color:var(--text-primary)}.screen-share-picker-loading,.screen-share-picker-error,.screen-share-picker-empty{text-align:center;color:var(--text-muted);padding:24px;font-size:14px}.screen-share-picker-error{color:var(--red)}.screen-share-picker-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;padding:4px;display:grid;overflow-y:auto}.screen-share-picker-item{background:var(--bg-primary);cursor:pointer;border-radius:8px;flex-direction:column;align-items:center;gap:6px;padding:8px;transition:background .15s,transform .1s;display:flex}.screen-share-picker-item:hover{background:var(--bg-hover);transform:scale(1.02)}.screen-share-picker-item img{aspect-ratio:16/9;object-fit:cover;background:var(--bg-tertiary);border-radius:4px;width:100%}.screen-share-picker-item span{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;text-align:center;width:100%;font-size:12px;overflow:hidden}.empty-state{color:var(--text-muted);flex:1;justify-content:center;align-items:center;font-size:15px;display:flex}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--bg-hover);border-radius:3px}.welcome-screen{background:var(--bg-secondary);flex:1;justify-content:center;align-items:center;display:flex}.welcome-card{text-align:center;background:var(--bg-primary);border-radius:16px;max-width:420px;padding:48px;box-shadow:0 8px 32px #00000059}.welcome-icon{margin-bottom:16px;font-size:56px}.welcome-card h1{color:var(--text-primary);margin-bottom:8px;font-size:22px;font-weight:700}.welcome-card p{color:var(--text-secondary);font-size:14px}.markdown-body{color:var(--text-primary);word-wrap:break-word;font-size:14px;line-height:1.4}.markdown-body p{margin:0 0 4px}.markdown-body p:last-child{margin-bottom:0}.markdown-body h1,.markdown-body h2,.markdown-body h3,.markdown-body h4,.markdown-body h5,.markdown-body h6{color:var(--text-primary);margin:8px 0 4px;font-weight:600;line-height:1.3}.markdown-body h1{font-size:18px}.markdown-body h2{font-size:16px}.markdown-body h3,.markdown-body h4,.markdown-body h5,.markdown-body h6{font-size:14px}.markdown-body h1:first-child,.markdown-body h2:first-child,.markdown-body h3:first-child,.markdown-body h4:first-child,.markdown-body h5:first-child,.markdown-body h6:first-child{margin-top:0}.markdown-body code{background:var(--code-bg);color:var(--text-primary);border-radius:4px;padding:2px 4px;font-family:ui-monospace,Consolas,monospace;font-size:13px}.code-block-wrapper{margin:4px 0;position:relative}.code-block-wrapper:hover .code-copy-btn{opacity:1}.code-copy-btn{background:var(--bg-hover);border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;opacity:0;border-radius:4px;align-items:center;gap:4px;padding:4px 8px;font-size:12px;transition:opacity .15s,background .15s,color .15s;display:flex;position:absolute;top:6px;right:6px}.code-copy-btn:hover{background:var(--bg-active);color:var(--text-primary)}.markdown-body pre{background:var(--code-bg);border:1px solid var(--border);border-radius:6px;margin:0;padding:10px 12px;overflow-x:auto}.markdown-body pre code{background:0 0;border-radius:0;padding:0;font-size:13px}.markdown-body blockquote{border-left:3px solid var(--text-muted);color:var(--text-secondary);margin:4px 0;padding-left:10px}.markdown-body ul,.markdown-body ol{margin:4px 0;padding-left:20px}.markdown-body li{margin:2px 0}.markdown-body a{color:var(--accent);text-decoration:none}.markdown-body a:hover{text-decoration:underline}.markdown-body hr{border:none;border-top:1px solid var(--border);margin:8px 0}.markdown-body table{border-collapse:collapse;margin:4px 0;font-size:13px}.markdown-body th,.markdown-body td{border:1px solid var(--border);text-align:left;padding:4px 8px}.markdown-body th{background:var(--bg-hover);font-weight:600}.markdown-body img{border-radius:4px;max-width:100%}.markdown-body input[type=checkbox]{accent-color:var(--accent);margin-right:6px}.context-menu{z-index:100;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;flex-direction:column;min-width:160px;padding:4px 0;display:flex;position:fixed;box-shadow:0 4px 24px #0006}.context-menu-item{color:var(--text-primary);text-align:left;cursor:pointer;background:0 0;border:none;padding:8px 16px;font-size:14px;transition:background .1s}.context-menu-item:hover{background:var(--accent);color:#fff}.chat-overlay{background:var(--bg-secondary);z-index:10;border-left:1px solid #ffffff0f;flex-direction:column;width:380px;height:100%;display:flex;position:absolute;top:0;right:0;box-shadow:-4px 0 24px #00000059}.chat-overlay-header{background:var(--bg-primary);border-bottom:1px solid #ffffff0d;flex-shrink:0;align-items:center;gap:8px;height:48px;padding:0 16px;display:flex}.chat-overlay-title{color:var(--text-primary);flex:1;font-weight:600}.chat-overlay-close{width:28px;height:28px;color:var(--text-secondary);border-radius:4px;justify-content:center;align-items:center;font-size:14px;transition:background .15s,color .15s;display:flex}.chat-overlay-close:hover{background:var(--bg-hover);color:var(--text-primary)}.chat-overlay-body{flex-direction:column;flex:1;display:flex;overflow:hidden}.message-group.mentioned{background:#5865f226;border-left:3px solid #5865f2}.mention-highlight{color:#dee0fc;cursor:pointer;background:#5865f24d;border-radius:3px;padding:0 2px}.mention-highlight:hover{background:#5865f280}.mention-dropdown{background:var(--bg-secondary);border:1px solid var(--border);z-index:50;border-radius:8px;max-height:280px;padding:4px 0;position:absolute;bottom:calc(100% + 8px);left:0;right:0;overflow-y:auto;box-shadow:0 4px 24px #0006}.mention-dropdown-item{cursor:pointer;align-items:center;gap:8px;padding:6px 12px;transition:background .1s;display:flex}.mention-dropdown-item:hover,.mention-dropdown-item.active{background:var(--bg-hover)}.mention-dropdown-name{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:14px;overflow:hidden}.mention-dropdown-empty{color:var(--text-muted);text-align:center;padding:12px;font-size:13px}.notification-permission-banner{color:#b5baf5;background:#5865f226;border-bottom:1px solid #5865f233;flex-shrink:0;align-items:center;gap:8px;padding:8px 12px;font-size:12px;display:flex}.notification-permission-banner span{flex:1;line-height:1.4}.notification-permission-banner button{cursor:pointer;white-space:nowrap;border:none;border-radius:4px;padding:4px 10px;font-size:12px;transition:background .15s}.notification-permission-banner button:first-of-type{background:var(--accent);color:#fff}.notification-permission-banner button:first-of-type:hover{background:var(--accent-hover)}.notification-permission-banner button:last-of-type{color:var(--text-secondary);background:0 0}.notification-permission-banner button:last-of-type:hover{color:var(--text-primary)}.chat-input-wrap{align-items:center;gap:8px;display:flex}.chat-input-attach-btn{color:var(--text-muted);cursor:pointer;border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;padding:4px;transition:color .15s,background .15s;display:flex}.chat-input-attach-btn:hover{color:var(--text-primary);background:var(--bg-active)}.chat-input-area.dragging{outline:2px dashed var(--accent);outline-offset:-4px;border-radius:8px}.upload-preview-bar{flex-wrap:wrap;gap:8px;padding:8px 16px 0;display:flex}.upload-preview-item{background:var(--bg-primary);border-radius:6px;align-items:center;gap:8px;max-width:240px;padding:6px 8px;display:flex}.upload-preview-item.error{border:1px solid var(--red)}.upload-preview-thumb{object-fit:cover;border-radius:4px;flex-shrink:0;width:40px;height:40px}.upload-preview-icon{flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:20px;display:flex}.upload-preview-info{flex-direction:column;flex:1;min-width:0;display:flex}.upload-preview-name{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.upload-preview-meta{color:var(--text-muted);font-size:11px}.upload-error{color:var(--red)}.upload-progress-bar{background:var(--bg-hover);border-radius:2px;width:100%;height:3px;margin-top:4px}.upload-progress-fill{background:var(--accent);border-radius:2px;height:100%;transition:width .2s}.upload-preview-remove{color:var(--text-muted);cursor:pointer;flex-shrink:0;padding:2px 4px;font-size:12px}.upload-preview-remove:hover{color:var(--red)}.message-attachments{flex-wrap:wrap;gap:8px;margin-top:6px;display:flex}.attachment-image-btn{cursor:pointer;background:0 0;border:none;border-radius:6px;max-width:320px;max-height:240px;padding:0;overflow:hidden}.attachment-image{object-fit:cover;border-radius:6px;width:100%;height:100%;transition:transform .15s;display:block}.attachment-image-btn:hover .attachment-image{transform:scale(1.02)}.attachment-video{background:var(--bg-primary);border-radius:6px;max-width:320px;max-height:240px}.attachment-file{background:var(--bg-primary);color:var(--text-primary);border-radius:6px;align-items:center;gap:8px;max-width:320px;padding:10px 12px;text-decoration:none;transition:background .15s;display:flex}.attachment-file:hover{background:var(--bg-hover)}.attachment-file-icon{flex-shrink:0;font-size:20px}.attachment-file-name{white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:13px;overflow:hidden}.attachment-file-size{color:var(--text-muted);flex-shrink:0;font-size:11px}.lightbox{z-index:200;cursor:zoom-out;background:#000000e6;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.lightbox-img{object-fit:contain;cursor:default;border-radius:4px;max-width:90vw;max-height:90vh}.lightbox-close{background:var(--bg-secondary);width:36px;height:36px;color:var(--text-primary);cursor:pointer;z-index:201;border-radius:50%;justify-content:center;align-items:center;font-size:16px;display:flex;position:absolute;top:16px;right:16px}.lightbox-close:hover{background:var(--bg-hover)}.profile-edit-overlay{z-index:200;background:#0009;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.profile-edit-modal{background:var(--bg-secondary);border-radius:12px;width:90%;max-width:420px;max-height:90vh;padding:16px;overflow-y:auto}.profile-edit-header{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.profile-edit-header h4{color:var(--text-primary);margin:0;font-size:16px}.profile-edit-close{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;width:28px;height:28px;font-size:18px;display:flex}.profile-edit-close:hover{background:var(--bg-hover);color:var(--text-primary)}.profile-edit-avatar{align-items:center;gap:12px;margin-bottom:16px;display:flex}.profile-edit-colors{flex-wrap:wrap;gap:8px;display:flex}.profile-edit-color{cursor:pointer;border:2px solid #0000;border-radius:50%;width:28px;height:28px}.profile-edit-color.active{box-shadow:0 0 0 2px var(--accent);border-color:#fff}.profile-edit-actions{gap:8px;margin-top:16px;display:flex}.profile-edit-actions .btn-secondary,.profile-edit-actions .btn-primary{flex:1;width:auto;margin-top:0;font-size:14px;font-weight:500}.btn-secondary{background:var(--bg-hover);color:var(--text-primary);cursor:pointer;border:none;border-radius:4px;padding:10px;font-size:14px;font-weight:500}.btn-secondary:hover{background:var(--bg-tertiary)}.btn-secondary:disabled{opacity:.6;cursor:not-allowed}.member-list{background:var(--bg-primary);border-radius:6px;flex-direction:column;gap:4px;max-height:200px;padding:4px;display:flex;overflow-y:auto}.member-list-item{border-radius:4px;align-items:center;gap:8px;padding:6px 8px;transition:background .1s;display:flex}.member-list-item:hover{background:var(--bg-hover)}.member-list-name{color:var(--text-primary);flex:1;font-size:13px}.member-list-role{color:var(--text-muted);text-transform:capitalize;font-size:11px}.member-list-remove{width:20px;height:20px;color:var(--text-muted);border-radius:4px;justify-content:center;align-items:center;font-size:11px;transition:color .15s,background .15s;display:flex}.member-list-remove:hover{color:var(--red);background:#f23f421a}.invite-user-section{margin-top:8px;position:relative}.invite-user-input{background:var(--bg-primary);border:1px solid var(--bg-hover);width:100%;color:var(--text-primary);border-radius:4px;padding:8px 10px;font-size:13px}.invite-user-input:focus{border-color:var(--accent);outline:none}.invite-user-dropdown{background:var(--bg-secondary);border:1px solid var(--border);z-index:50;border-radius:6px;max-height:180px;padding:4px 0;position:absolute;top:calc(100% + 4px);left:0;right:0;overflow-y:auto;box-shadow:0 4px 24px #0006}.invite-user-option{cursor:pointer;color:var(--text-primary);text-align:left;background:0 0;border:none;align-items:center;gap:8px;width:100%;padding:6px 12px;font-size:13px;transition:background .1s;display:flex}.invite-user-option:hover{background:var(--bg-hover)}.invitation-list{flex-direction:column;gap:8px;max-height:60vh;display:flex;overflow-y:auto}.invitation-item{background:var(--bg-primary);border-radius:6px;justify-content:space-between;align-items:center;gap:12px;padding:10px 12px;display:flex}.invitation-channel{color:var(--text-primary);font-size:14px;font-weight:600}.invitation-meta{color:var(--text-muted);margin-top:2px;font-size:12px}.invitation-actions{flex-shrink:0;gap:8px;display:flex}.invitation-badge-dot{background:var(--red);border:2px solid var(--bg-tertiary);border-radius:50%;width:8px;height:8px;position:absolute;top:-2px;right:-2px}.audit-log-list{flex-direction:column;gap:8px;max-height:60vh;display:flex;overflow-y:auto}.audit-log-entry{background:var(--bg-primary);border-radius:6px;padding:10px 12px}.audit-log-action{color:var(--text-primary);font-size:14px;font-weight:500}.audit-log-meta{color:var(--text-muted);margin-top:2px;font-size:12px}.audit-log-details{color:var(--text-secondary);margin-top:4px;font-family:ui-monospace,Consolas,monospace;font-size:12px}.delete-confirm{border-top:1px solid #ffffff0f;margin-top:16px;padding-top:16px}.delete-confirm p{color:var(--text-secondary);margin-bottom:12px;font-size:14px}.pinned-messages-bar{background:var(--bg-primary);border-bottom:1px solid #ffffff0f;flex-shrink:0}.pinned-messages-header{width:100%;color:var(--text-secondary);cursor:pointer;background:0 0;border:none;justify-content:space-between;align-items:center;padding:8px 16px;font-size:13px;font-weight:500;transition:color .15s;display:flex}.pinned-messages-header:hover{color:var(--text-primary)}.pinned-messages-list{flex-direction:column;gap:8px;max-height:200px;padding:0 16px 8px;display:flex;overflow-y:auto}.pinned-message-item{background:var(--bg-secondary);border-radius:6px;padding:8px 12px}.pinned-message-author{color:var(--text-secondary);margin-bottom:2px;font-size:12px;font-weight:600}.message-pinned-icon{margin-left:4px;font-size:11px}