*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-canvas-default: #ffffff;--color-canvas-subtle: #f6f8fa;--color-canvas-inset: #eff2f5;--color-fg-default: #1f2328;--color-fg-muted: #656d76;--color-fg-subtle: #6e7781;--color-border-default: #d0d7de;--color-border-muted: #d8dee4;--color-border-subtle: rgba(31, 35, 40, .15);--color-accent-fg: #0969da;--color-accent-emphasis: #0969da;--color-accent-muted: rgba(9, 105, 218, .4);--color-accent-subtle: #ddf4ff;--color-success-fg: #1a7f37;--color-success-emphasis: #1f883d;--color-success-subtle: #dafbe1;--color-danger-fg: #d1242f;--color-danger-emphasis: #cf222e;--color-danger-subtle: #ffebe9;--color-warning-fg: #9a6700;--color-warning-subtle: #fff8c5;--color-header-bg: #f6f8fa;--color-sidebar-bg: #f6f8fa;--color-server-list-bg: #ebeef1;--color-channel-list-bg: #f6f8fa;--color-chat-bg: #ffffff;--color-input-bg: #f6f8fa;--color-hover-bg: rgba(208, 215, 222, .32);--color-active-bg: rgba(208, 215, 222, .48);--color-selected-bg: rgba(9, 105, 218, .08);--shadow-sm: 0 1px 0 rgba(31, 35, 40, .04);--shadow-md: 0 3px 6px rgba(140, 149, 159, .15);--shadow-lg: 0 8px 24px rgba(140, 149, 159, .2);--transition-fast: 80ms cubic-bezier(.33, 1, .68, 1);--transition-normal: .15s cubic-bezier(.33, 1, .68, 1);--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 12px;--spacing-lg: 16px;--spacing-xl: 24px;--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px;--radius-full: 50%;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";--font-mono: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace;--text-xs: 12px;--text-sm: 14px;--text-md: 16px;--text-lg: 20px;--text-xl: 24px;color-scheme:light}[data-theme=dark]{--color-canvas-default: #0d1117;--color-canvas-subtle: #161b22;--color-canvas-inset: #010409;--color-fg-default: #e6edf3;--color-fg-muted: #8b949e;--color-fg-subtle: #6e7681;--color-border-default: #30363d;--color-border-muted: #21262d;--color-border-subtle: rgba(240, 246, 252, .1);--color-accent-fg: #58a6ff;--color-accent-emphasis: #1f6feb;--color-accent-muted: rgba(56, 139, 253, .4);--color-accent-subtle: rgba(56, 139, 253, .15);--color-success-fg: #3fb950;--color-success-emphasis: #238636;--color-success-subtle: rgba(46, 160, 67, .15);--color-danger-fg: #f85149;--color-danger-emphasis: #da3633;--color-danger-subtle: rgba(248, 81, 73, .15);--color-warning-fg: #d29922;--color-warning-subtle: rgba(187, 128, 9, .15);--color-header-bg: #161b22;--color-sidebar-bg: #161b22;--color-server-list-bg: #0d1117;--color-channel-list-bg: #161b22;--color-chat-bg: #0d1117;--color-input-bg: #0d1117;--color-hover-bg: rgba(177, 186, 196, .12);--color-active-bg: rgba(177, 186, 196, .2);--color-selected-bg: rgba(56, 139, 253, .15);--shadow-sm: 0 0 transparent;--shadow-md: 0 3px 6px #010409;--shadow-lg: 0 8px 24px #010409;color-scheme:dark}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--color-canvas-default: #0d1117;--color-canvas-subtle: #161b22;--color-canvas-inset: #010409;--color-fg-default: #e6edf3;--color-fg-muted: #8b949e;--color-fg-subtle: #6e7681;--color-border-default: #30363d;--color-border-muted: #21262d;--color-border-subtle: rgba(240, 246, 252, .1);--color-accent-fg: #58a6ff;--color-accent-emphasis: #1f6feb;--color-accent-muted: rgba(56, 139, 253, .4);--color-accent-subtle: rgba(56, 139, 253, .15);--color-success-fg: #3fb950;--color-success-emphasis: #238636;--color-success-subtle: rgba(46, 160, 67, .15);--color-danger-fg: #f85149;--color-danger-emphasis: #da3633;--color-danger-subtle: rgba(248, 81, 73, .15);--color-warning-fg: #d29922;--color-warning-subtle: rgba(187, 128, 9, .15);--color-header-bg: #161b22;--color-sidebar-bg: #161b22;--color-server-list-bg: #0d1117;--color-channel-list-bg: #161b22;--color-chat-bg: #0d1117;--color-input-bg: #0d1117;--color-hover-bg: rgba(177, 186, 196, .12);--color-active-bg: rgba(177, 186, 196, .2);--color-selected-bg: rgba(56, 139, 253, .15);--shadow-sm: 0 0 transparent;--shadow-md: 0 3px 6px #010409;--shadow-lg: 0 8px 24px #010409;color-scheme:dark}}html,body,#root{height:100%;margin:0}body{font-family:var(--font-sans);font-size:var(--text-sm);line-height:1.5;color:var(--color-fg-default);background-color:var(--color-canvas-default);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button{font-family:var(--font-sans);font-size:var(--text-sm);font-weight:500;padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--color-border-default);border-radius:var(--radius-md);background-color:var(--color-canvas-subtle);color:var(--color-fg-default);cursor:pointer;transition:background-color var(--transition-fast),border-color var(--transition-fast)}button:hover{background-color:var(--color-hover-bg);border-color:var(--color-fg-muted)}button:active{background-color:var(--color-active-bg)}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background-color:var(--color-success-emphasis);border-color:var(--color-success-emphasis);color:#fff}button.primary:hover{background-color:#1a7f37;border-color:#1a7f37}button.danger{background-color:var(--color-danger-emphasis);border-color:var(--color-danger-emphasis);color:#fff}button.danger:hover{background-color:#b62324;border-color:#b62324}input,textarea{font-family:var(--font-sans);font-size:var(--text-sm);padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--color-border-default);border-radius:var(--radius-md);background-color:var(--color-canvas-default);color:var(--color-fg-default);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}input:focus,textarea:focus{outline:none;border-color:var(--color-accent-fg);box-shadow:0 0 0 3px var(--color-accent-muted)}input::placeholder,textarea::placeholder{color:var(--color-fg-subtle)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background-color:var(--color-border-default);border-radius:var(--radius-lg)}::-webkit-scrollbar-thumb:hover{background-color:var(--color-fg-muted)}::selection{background-color:var(--color-accent-muted)}:focus-visible{outline:2px solid var(--color-accent-fg);outline-offset:2px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.app{display:flex;height:100vh;overflow:hidden}.server-list{width:72px;min-width:72px;background-color:var(--color-server-list-bg);display:flex;flex-direction:column;align-items:center;padding:var(--spacing-md) 0;gap:var(--spacing-sm);overflow-y:auto;border-right:1px solid var(--color-border-muted)}.server-icon{width:48px;height:48px;border-radius:var(--radius-full);background-color:var(--color-canvas-subtle);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:border-radius var(--transition-normal),background-color var(--transition-fast);font-weight:600;font-size:var(--text-lg);color:var(--color-fg-muted);border:none;position:relative;overflow:hidden;line-height:1}.server-icon:hover,.server-icon.active{border-radius:var(--radius-lg);background-color:var(--color-accent-emphasis);color:#fff}.server-icon.active:before{content:"";position:absolute;left:-12px;width:4px;height:40px;background-color:var(--color-fg-default);border-radius:0 var(--radius-sm) var(--radius-sm) 0}.server-icon img{width:100%;height:100%;object-fit:cover}.server-divider{width:32px;height:2px;background-color:var(--color-border-default);border-radius:1px;margin:var(--spacing-xs) 0}.server-icon.add-server{background-color:transparent;border:2px dashed var(--color-border-default);color:var(--color-success-fg)}.server-icon.add-server:hover{background-color:var(--color-success-subtle);border-color:var(--color-success-fg)}.channel-sidebar{width:240px;min-width:240px;background-color:var(--color-channel-list-bg);display:flex;flex-direction:column;border-right:1px solid var(--color-border-muted)}.channel-header{height:48px;padding:0 var(--spacing-lg);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--color-border-muted);font-weight:600;font-size:var(--text-md)}.channel-header button{padding:var(--spacing-xs) var(--spacing-sm);font-size:var(--text-xs)}.channel-list{flex:1;overflow-y:auto;padding:var(--spacing-md)}.channel-category{margin-bottom:var(--spacing-lg)}.channel-category-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-xs) var(--spacing-sm);font-size:var(--text-xs);font-weight:600;text-transform:uppercase;color:var(--color-fg-muted);letter-spacing:.02em}.channel-category-header button{padding:2px 6px;font-size:10px;opacity:0;transition:opacity var(--transition-fast)}.channel-category:hover .channel-category-header button{opacity:1}.channel-item{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md);cursor:pointer;color:var(--color-fg-muted);transition:background-color var(--transition-fast),color var(--transition-fast);font-size:var(--text-sm);border:none;background:none;width:100%;text-align:left}.channel-item:hover{background-color:var(--color-hover-bg);color:var(--color-fg-default)}.channel-item.active{background-color:var(--color-selected-bg);color:var(--color-fg-default)}.channel-item .hash{color:var(--color-fg-subtle);font-weight:500}.user-panel{height:52px;padding:var(--spacing-sm) var(--spacing-md);background-color:var(--color-canvas-inset);display:flex;align-items:center;gap:var(--spacing-sm);border-top:1px solid var(--color-border-muted)}.user-avatar{width:32px;height:32px;border-radius:var(--radius-full);background-color:var(--color-accent-emphasis);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:var(--text-sm);flex-shrink:0}.user-info{flex:1;min-width:0}.user-info .username{font-weight:600;font-size:var(--text-sm);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-info .status{font-size:var(--text-xs);color:var(--color-fg-muted)}.user-panel-buttons{display:flex;gap:var(--spacing-xs)}.user-panel-buttons button{width:32px;height:32px;padding:0;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-md);font-size:var(--text-md)}.chat-area{flex:1;display:flex;flex-direction:column;background-color:var(--color-chat-bg);min-width:0}.chat-header{height:48px;padding:0 var(--spacing-lg);display:flex;align-items:center;gap:var(--spacing-md);border-bottom:1px solid var(--color-border-muted);background-color:var(--color-canvas-default)}.chat-header .channel-name{font-weight:600;display:flex;align-items:center;gap:var(--spacing-sm)}.chat-header .channel-name .hash{color:var(--color-fg-subtle)}.chat-header .divider{width:1px;height:24px;background-color:var(--color-border-default)}.chat-header .channel-topic{color:var(--color-fg-muted);font-size:var(--text-sm);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}.chat-header-actions{display:flex;gap:var(--spacing-sm);align-items:center}.messages-container{flex:1;overflow-y:auto;padding:var(--spacing-lg);display:flex;flex-direction:column;gap:var(--spacing-md)}.message{display:flex;gap:var(--spacing-md);padding:var(--spacing-xs) 0}.message:hover{background-color:var(--color-hover-bg);margin:0 calc(var(--spacing-lg) * -1);padding:var(--spacing-xs) var(--spacing-lg)}.message-avatar{width:40px;height:40px;border-radius:var(--radius-full);background-color:var(--color-accent-emphasis);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;flex-shrink:0}.message-content{flex:1;min-width:0}.message-header{display:flex;align-items:baseline;gap:var(--spacing-sm);margin-bottom:var(--spacing-xs)}.message-author{font-weight:600;color:var(--color-fg-default)}.message-timestamp{font-size:var(--text-xs);color:var(--color-fg-muted)}.message-edited{font-size:var(--text-xs);color:var(--color-fg-subtle);font-style:italic}.message-text{color:var(--color-fg-default);line-height:1.5;word-break:break-word}.message-actions{opacity:0;display:flex;gap:var(--spacing-xs);margin-top:var(--spacing-xs)}.message:hover .message-actions{opacity:1}.message-actions button{padding:var(--spacing-xs) var(--spacing-sm);font-size:var(--text-xs)}.message-input-container{padding:0 var(--spacing-lg) var(--spacing-lg)}.message-input-wrapper{background-color:var(--color-input-bg);border:1px solid var(--color-border-default);border-radius:var(--radius-lg);padding:var(--spacing-md);display:flex;gap:var(--spacing-md)}.message-input-wrapper textarea{flex:1;border:none;background:none;resize:none;min-height:24px;max-height:200px;padding:0;font-family:var(--font-sans)}.message-input-wrapper textarea:focus{box-shadow:none;outline:none}.message-input-wrapper button{align-self:flex-end}.members-sidebar{width:240px;min-width:240px;background-color:var(--color-channel-list-bg);border-left:1px solid var(--color-border-muted);overflow-y:auto;padding:var(--spacing-lg)}.members-section{margin-bottom:var(--spacing-lg)}.members-section-header{font-size:var(--text-xs);font-weight:600;text-transform:uppercase;color:var(--color-fg-muted);letter-spacing:.02em;padding:var(--spacing-sm) 0}.member-item{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm);border-radius:var(--radius-md);cursor:pointer;transition:background-color var(--transition-fast)}.member-item:hover{background-color:var(--color-hover-bg)}.member-avatar{width:32px;height:32px;border-radius:var(--radius-full);background-color:var(--color-accent-emphasis);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:var(--text-sm);position:relative}.member-avatar.offline{opacity:.5}.member-status-dot{position:absolute;bottom:-2px;right:-2px;width:12px;height:12px;border-radius:var(--radius-full);border:2px solid var(--color-channel-list-bg)}.member-status-dot.online{background-color:var(--color-success-fg)}.member-status-dot.offline{background-color:var(--color-fg-subtle)}.member-name{font-size:var(--text-sm);color:var(--color-fg-default)}.member-name.offline{color:var(--color-fg-muted)}.modal-overlay{position:fixed;inset:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background-color:var(--color-canvas-default);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);max-width:480px;width:90%;max-height:90vh;overflow-y:auto}.modal-header{padding:var(--spacing-lg);border-bottom:1px solid var(--color-border-muted);display:flex;align-items:center;justify-content:space-between}.modal-header h2{font-size:var(--text-lg);font-weight:600}.modal-header .close-button{width:32px;height:32px;padding:0;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-md);font-size:var(--text-lg);line-height:1}.modal-body{padding:var(--spacing-lg)}.modal-footer{padding:var(--spacing-lg);border-top:1px solid var(--color-border-muted);display:flex;justify-content:flex-end;gap:var(--spacing-sm)}.form-group{margin-bottom:var(--spacing-lg)}.form-group label{display:block;font-size:var(--text-xs);font-weight:600;text-transform:uppercase;color:var(--color-fg-muted);letter-spacing:.02em;margin-bottom:var(--spacing-sm)}.form-group input,.form-group textarea,.form-group select{width:100%}.form-group select{font-family:var(--font-sans);font-size:var(--text-sm);padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--color-border-default);border-radius:var(--radius-md);background-color:var(--color-canvas-default);color:var(--color-fg-default)}.form-group .hint{font-size:var(--text-xs);color:var(--color-fg-muted);margin-top:var(--spacing-xs)}.settings-panel{position:fixed;top:0;right:0;bottom:0;width:400px;max-width:100%;background-color:var(--color-canvas-default);box-shadow:var(--shadow-lg);z-index:1000;display:flex;flex-direction:column;transform:translate(100%);transition:transform var(--transition-normal)}.settings-panel.open{transform:translate(0)}.settings-header{padding:var(--spacing-lg);border-bottom:1px solid var(--color-border-muted);display:flex;align-items:center;justify-content:space-between}.settings-header h2{font-size:var(--text-lg);font-weight:600}.settings-content{flex:1;overflow-y:auto;padding:var(--spacing-lg)}.settings-section{margin-bottom:var(--spacing-xl)}.settings-section h3{font-size:var(--text-sm);font-weight:600;text-transform:uppercase;color:var(--color-fg-muted);letter-spacing:.02em;margin-bottom:var(--spacing-md);padding-bottom:var(--spacing-sm);border-bottom:1px solid var(--color-border-muted)}.role-item{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md);background-color:var(--color-canvas-subtle);margin-bottom:var(--spacing-sm)}.role-color{width:12px;height:12px;border-radius:var(--radius-full)}.role-name{flex:1;font-weight:500}.role-actions{display:flex;gap:var(--spacing-xs)}.role-actions button{padding:var(--spacing-xs) var(--spacing-sm);font-size:var(--text-xs)}.permission-toggle{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-sm) 0;border-bottom:1px solid var(--color-border-subtle)}.permission-toggle:last-child{border-bottom:none}.permission-info{flex:1}.permission-name{font-weight:500;margin-bottom:2px}.permission-description{font-size:var(--text-xs);color:var(--color-fg-muted)}.toggle-switch{position:relative;width:44px;height:24px;background-color:var(--color-border-default);border-radius:12px;cursor:pointer;transition:background-color var(--transition-fast)}.toggle-switch.active{background-color:var(--color-success-emphasis)}.toggle-switch:after{content:"";position:absolute;top:2px;left:2px;width:20px;height:20px;background-color:#fff;border-radius:var(--radius-full);transition:transform var(--transition-fast)}.toggle-switch.active:after{transform:translate(20px)}.welcome-screen{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:var(--spacing-xl);color:var(--color-fg-muted)}.welcome-screen h1{font-size:var(--text-xl);color:var(--color-fg-default);margin-bottom:var(--spacing-md)}.welcome-screen p{max-width:400px;margin-bottom:var(--spacing-lg)}.empty-state{text-align:center;padding:var(--spacing-xl);color:var(--color-fg-muted)}.empty-state-icon{font-size:48px;margin-bottom:var(--spacing-md)}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:var(--spacing-md)}.loading-spinner{width:32px;height:32px;border:3px solid var(--color-border-default);border-top-color:var(--color-accent-fg);border-radius:var(--radius-full);animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.theme-toggle{display:flex;align-items:center;gap:var(--spacing-sm)}.theme-toggle button{width:36px;height:36px;padding:0;display:flex;align-items:center;justify-content:center;font-size:var(--text-md)}.invite-code{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md);background-color:var(--color-canvas-subtle);border-radius:var(--radius-md);font-family:var(--font-mono);font-size:var(--text-md)}.invite-code code{flex:1;color:var(--color-accent-fg);-webkit-user-select:all;user-select:all}.invite-code button{padding:var(--spacing-xs) var(--spacing-sm)}@media(max-width:1200px){.members-sidebar{display:none}}@media(max-width:768px){.channel-sidebar{position:fixed;left:72px;top:0;bottom:0;z-index:100;transform:translate(-100%);transition:transform var(--transition-normal)}.channel-sidebar.open{transform:translate(0)}}