:root{--bg: #ffffff;--fg: #1d1c1d;--muted: #616061;--border: #dddddd;--primary: #4a154b;--primary-fg: #ffffff;--danger: #e01e5a;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans KR,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg)}button{font:inherit;cursor:pointer}input{font:inherit}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center}.auth-card{width:100%;max-width:360px;padding:2rem;display:flex;flex-direction:column;gap:.75rem}.auth-card h1{margin:0 0 .5rem;font-size:1.5rem;text-align:center}.auth-card input{padding:.65rem .75rem;border:1px solid var(--border);border-radius:6px}.auth-card button[type=submit]{padding:.65rem;border:none;border-radius:6px;background:var(--primary);color:var(--primary-fg);font-weight:600}.auth-card button[type=submit]:disabled{opacity:.6;cursor:default}.form-error{color:var(--danger);font-size:.875rem;min-height:1.25em;margin:0}.auth-alt{text-align:center;font-size:.875rem;color:var(--muted)}.empty-state{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem;color:var(--muted)}.empty-state h2{color:var(--fg);margin:0}.topbar{position:fixed;top:0;right:0;padding:.75rem 1rem;display:flex;gap:.75rem;align-items:center;font-size:.875rem}.topbar button{border:1px solid var(--border);background:none;border-radius:6px;padding:.3rem .75rem}.home-page{min-height:100vh;display:flex;align-items:center;justify-content:center}.home-card{width:100%;max-width:420px;padding:2rem}.home-card h1{text-align:center}.ws-list{list-style:none;padding:0;margin:1rem 0;display:flex;flex-direction:column;gap:.5rem}.ws-list a{display:flex;justify-content:space-between;align-items:center;padding:.75rem 1rem;border:1px solid var(--border);border-radius:8px;text-decoration:none;color:var(--fg)}.ws-list a:hover{border-color:var(--primary)}.ws-role{font-size:.75rem;color:var(--muted)}.ws-create{display:flex;gap:.5rem;margin-top:1rem}.ws-create input{flex:1;padding:.55rem .75rem;border:1px solid var(--border);border-radius:6px}.ws-create button{padding:.55rem 1rem;border:none;border-radius:6px;background:var(--primary);color:var(--primary-fg);font-weight:600}.muted{color:var(--muted)}.ws-layout{display:flex;height:100vh;overflow:hidden}.ws-main{flex:1;min-width:0;display:flex;flex-direction:column}.sidebar{width:240px;flex-shrink:0;background:var(--primary);color:#fff;display:flex;flex-direction:column}.sidebar-head{display:flex;align-items:center;justify-content:space-between;padding:.9rem 1rem;border-bottom:1px solid rgba(255,255,255,.15)}.ws-title{color:#fff;font-weight:700;text-decoration:none;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sidebar-scroll{flex:1;overflow-y:auto;padding:.75rem 0}.sidebar section{margin-bottom:1rem}.section-head{display:flex;justify-content:space-between;align-items:center;padding:0 1rem .25rem;font-size:.8rem;color:#ffffffb3}.sidebar ul{list-style:none;margin:0;padding:0}.sidebar li a{display:flex;align-items:center;gap:.5rem;padding:.3rem 1rem;color:#fffc;text-decoration:none;font-size:.925rem}.sidebar li a:hover{background:#ffffff1a}.sidebar li a.active{background:#ffffff38;color:#fff}.sidebar li a.unread{color:#fff;font-weight:700}.ch-hash{opacity:.7;width:1.1em;text-align:center}.presence-dot{display:inline-block;width:.55rem;height:.55rem;flex:0 0 auto;border:1px solid rgba(255,255,255,.55);border-radius:50%;background:#8993a4}.presence-dot.online{background:#29ad65}.ch-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.badge{background:var(--danger);color:#fff;border-radius:999px;font-size:.7rem;padding:.1rem .45rem;font-weight:700}.sidebar .ghost{background:none;border:none;color:#ffffffb3;font-size:1rem;padding:.1rem .3rem;border-radius:4px}.sidebar .ghost:hover{background:#ffffff26;color:#fff}.invite-section{padding:0 1rem}.invite-btn{width:100%;padding:.4rem;border:1px dashed rgba(255,255,255,.4);background:none;color:#ffffffd9;border-radius:6px;font-size:.825rem}.invite-url{font-size:.7rem;word-break:break-all;color:#ffffffb3}.sidebar-foot{padding:.6rem 1rem;border-top:1px solid rgba(255,255,255,.15);font-size:.85rem}.channel-view{flex:1;min-height:0;display:flex;flex-direction:column;position:relative}.channel-head{padding:.7rem 1.25rem;border-bottom:1px solid var(--border);display:flex;align-items:baseline;gap:.75rem}.channel-head h1{margin:0;font-size:1.05rem}.channel-head .topic{font-size:.85rem;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.channel-head-actions{margin-left:auto}.channel-invite-btn{border:1px solid var(--border);border-radius:6px;background:#fff;padding:.3rem .6rem;font-size:.8rem}.channel-invite-btn:hover{background:#f4f4f4}.message-list{flex:1;overflow-y:auto;padding:1rem 0 .5rem}.loading-older{text-align:center;color:var(--muted);font-size:.8rem}.channel-empty{padding:2rem 1.25rem;color:var(--muted)}.new-msg-banner{position:absolute;bottom:84px;left:50%;transform:translate(-50%);background:var(--primary);color:#fff;border:none;border-radius:999px;padding:.4rem 1rem;font-size:.85rem;box-shadow:0 2px 8px #00000040}.join-bar{display:flex;align-items:center;justify-content:center;gap:1rem;padding:1rem;border-top:1px solid var(--border);color:var(--muted)}.join-bar button{padding:.5rem 1.25rem;border:none;border-radius:6px;background:var(--primary);color:#fff;font-weight:600}.msg{display:flex;gap:.6rem;padding:.2rem 1.25rem;position:relative}.msg:hover{background:#f8f8f8}.msg.highlighted{animation:message-highlight 3s ease-out}@keyframes message-highlight{0%,60%{background:#fff2a8}to{background:transparent}}.msg.pending{opacity:.55}.msg.failed{opacity:.8}.msg-avatar{position:relative}.msg-avatar .presence-dot{position:absolute;right:-.1rem;bottom:-.1rem;border-color:#fff}.msg-avatar{width:36px;height:36px;flex-shrink:0;border-radius:6px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;overflow:hidden}.msg-avatar img{width:100%;height:100%;object-fit:cover}.msg-avatar.spacer{background:none;height:auto}.msg-body{flex:1;min-width:0}.msg-meta{display:flex;align-items:baseline;gap:.5rem}.msg-sender{font-weight:700}.msg-time{font-size:.72rem;color:var(--muted)}.agent-badge{background:#1264a3;color:#fff;font-size:.6rem;font-weight:700;padding:.05rem .3rem;border-radius:3px;letter-spacing:.05em}.msg-content{overflow-wrap:break-word}.msg-content p{margin:.1rem 0}.msg-content pre{background:#f4f4f4;border:1px solid var(--border);border-radius:6px;padding:.6rem;overflow-x:auto;font-size:.85rem}.msg-content code{background:#f4f4f4;border-radius:3px;padding:.05rem .25rem;font-size:.875em;color:#c2255c}.msg-content pre code{background:none;padding:0;color:inherit}.msg-content blockquote{border-left:3px solid var(--border);margin:.2rem 0;padding-left:.75rem;color:var(--muted)}.edited{font-size:.72rem;color:var(--muted);margin-left:.3rem}.msg-deleted{color:var(--muted);font-style:italic;margin:.1rem 0}.msg-failed{color:var(--danger);font-size:.8rem;margin:.15rem 0}.link{background:none;border:none;color:#1264a3;text-decoration:underline;padding:0;font-size:inherit}.thread-count{background:none;border:1px solid transparent;color:#1264a3;font-size:.8rem;padding:.15rem .4rem;border-radius:6px;margin-top:.15rem}.thread-count:hover{border-color:var(--border);background:#fff}.msg-actions{position:absolute;top:-.7rem;right:1.25rem;display:none;gap:.15rem;background:#fff;border:1px solid var(--border);border-radius:8px;padding:.15rem}.msg:hover .msg-actions{display:flex}.msg-actions .ghost{background:none;border:none;border-radius:6px;padding:.25rem .4rem;font-size:.9rem}.msg-actions .ghost:hover{background:#f0f0f0}.msg-edit textarea{width:100%;border:1px solid var(--primary);border-radius:6px;padding:.5rem;resize:vertical}.msg-edit-actions{display:flex;gap:.5rem;justify-content:flex-end;margin-top:.25rem}.msg-edit-actions button{padding:.3rem .8rem;border-radius:6px;border:1px solid var(--border);background:#fff}.msg-edit-actions button[type=submit]{background:var(--primary);color:#fff;border:none}.composer{display:flex;align-items:flex-end;gap:.5rem;padding:.75rem 1.25rem 1rem}.composer textarea{flex:1;border:1px solid var(--border);border-radius:8px;padding:.6rem .75rem;resize:none;line-height:1.4;max-height:200px}.composer textarea:focus{outline:2px solid var(--primary);outline-offset:-1px}.composer .send{border:none;background:var(--primary);color:#fff;border-radius:8px;width:40px;height:40px;font-size:1rem}.composer .send:disabled{opacity:.4}.thread-panel{width:360px;flex-shrink:0;border-left:1px solid var(--border);display:flex;flex-direction:column;background:#fff}.thread-head{display:flex;justify-content:space-between;align-items:center;padding:.7rem 1rem;border-bottom:1px solid var(--border)}.thread-head h2{margin:0;font-size:1rem}.thread-head .ghost{background:none;border:none;font-size:1rem;color:var(--muted)}.thread-scroll{flex:1;overflow-y:auto;padding:.75rem 0}.thread-scroll .muted{padding:0 1rem}.thread-divider{font-size:.75rem;color:var(--muted);padding:.4rem 1.25rem;border-bottom:1px solid var(--border);margin-bottom:.4rem}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:50}.modal{background:#fff;border-radius:10px;width:100%;max-width:420px;padding:1.25rem;box-shadow:0 8px 32px #00000040}.modal header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.75rem}.modal h2{margin:0;font-size:1.1rem}.modal .ghost{background:none;border:none;color:var(--muted)}.modal-form{display:flex;flex-direction:column;gap:.75rem}.modal-form input[type=text],.modal-form input:not([type]){padding:.6rem .75rem;border:1px solid var(--border);border-radius:6px}.modal-form .check{display:flex;gap:.5rem;align-items:center;font-size:.9rem}.modal-form button[type=submit]{padding:.6rem;border:none;border-radius:6px;background:var(--primary);color:#fff;font-weight:600}.member-pick{list-style:none;margin:0;padding:0;max-height:320px;overflow-y:auto}.member-pick li button{width:100%;text-align:left;padding:.6rem .75rem;border:none;background:none;border-radius:6px;display:flex;gap:.5rem;align-items:center}.member-pick li button:hover{background:#f4f4f4}.google-login{padding:.65rem;border:1px solid var(--border);border-radius:6px;background:#fff;color:var(--fg);font-weight:600}.sidebar-top-actions{display:flex;align-items:center;gap:.15rem}.notification-button{position:relative}.notification-button span{position:absolute;top:-.45rem;right:-.35rem;min-width:1rem;padding:0 .2rem;border-radius:999px;background:var(--danger);color:#fff;font-size:.62rem;line-height:1rem}.typing-indicator{height:1.5rem;margin:0;padding:.1rem 1.25rem;color:var(--muted);font-size:.78rem;font-style:italic}.mention{color:#1264a3;background:#e8f5fa;border-radius:3px;padding:0 .15em;font-weight:600}.message-files{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.45rem}.message-image{display:block;width:min(320px,100%);border:1px solid var(--border);border-radius:8px;overflow:hidden}.message-image img{display:block;width:100%;max-height:280px;object-fit:cover}.file-chip{display:inline-flex;align-items:center;gap:.4rem;max-width:100%;padding:.4rem .55rem;border:1px solid var(--border);border-radius:6px;color:#1264a3;text-decoration:none}.file-chip small{color:var(--muted)}.unfurl-card{display:flex;overflow:hidden;width:min(480px,100%);margin-top:.5rem;border:1px solid var(--border);border-radius:8px;color:inherit;text-decoration:none}.unfurl-card>img{width:112px;min-height:84px;object-fit:cover}.unfurl-card>span{display:flex;min-width:0;flex:1;flex-direction:column;gap:.2rem;padding:.55rem .7rem}.unfurl-card strong,.unfurl-card small,.unfurl-card em{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.unfurl-card small,.unfurl-card em{color:var(--muted);font-size:.78rem}.reactions{display:flex;flex-wrap:wrap;gap:.3rem;margin-top:.4rem}.reactions button{border:1px solid var(--border);border-radius:999px;background:#fff;padding:.12rem .45rem;font-size:.8rem}.reactions button.mine{border-color:#1264a3;background:#e8f5fa}.reaction-picker{position:absolute;z-index:3;top:calc(100% + .2rem);left:0;display:flex;gap:.1rem;padding:.2rem;border:1px solid var(--border);border-radius:6px;background:#fff;box-shadow:0 3px 10px #00000026}.reaction-picker button{border:0;border-radius:4px;background:none;padding:.25rem}.reaction-picker button:hover{background:#f4f4f4}.msg-actions{z-index:2}.msg-actions>.ghost:first-child{position:relative}.composer{position:relative;display:block;padding:.75rem 1.25rem 1rem}.composer-input-row{display:flex;align-items:flex-end;gap:.5rem}.composer-editor{flex:1;min-height:42px;max-height:200px;overflow-y:auto;border:1px solid var(--border);border-radius:8px;padding:.6rem .75rem;line-height:1.4;outline:none;white-space:pre-wrap;overflow-wrap:break-word}.composer-editor:focus{border-color:var(--primary);box-shadow:0 0 0 1px var(--primary)}.composer-editor:empty:before{content:attr(data-placeholder);color:#8d8d8d;pointer-events:none}.mention-token{display:inline-block;color:#1264a3;background:#e8f5fa;border-radius:3px;padding:0 .15em}.composer-attach{width:40px;height:40px;border:1px solid var(--border);border-radius:8px;background:#fff}.composer-uploads{display:flex;flex-wrap:wrap;gap:.4rem;margin-bottom:.5rem}.composer-upload{display:flex;align-items:center;gap:.35rem;max-width:100%;padding:.3rem .45rem;border:1px solid var(--border);border-radius:6px;font-size:.8rem}.composer-upload img{width:28px;height:28px;border-radius:3px;object-fit:cover}.composer-upload>span{max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.composer-upload small{color:var(--muted)}.composer-upload.failed-upload{border-color:var(--danger)}.composer-upload .ghost{border:0;background:none;color:var(--muted)}.mention-menu{position:absolute;z-index:5;bottom:calc(100% - .7rem);left:1.25rem;width:min(320px,calc(100% - 2.5rem));overflow:hidden;border:1px solid var(--border);border-radius:8px;background:#fff;box-shadow:0 4px 16px #0000002e}.mention-menu button{display:flex;width:100%;justify-content:space-between;border:0;background:#fff;padding:.55rem .7rem;text-align:left}.mention-menu button:hover{background:#f4f4f4}.mention-menu button.active-mention{background:#e8f0ff}.mention-menu small{color:var(--muted)}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.notification-center,.search-modal,.workspace-settings{max-height:min(70vh,620px);overflow-y:auto}.notification-center>header,.search-modal>header,.workspace-settings>header{display:flex;align-items:center;justify-content:space-between;margin-bottom:.65rem}.notification-center h2,.search-modal h2,.workspace-settings h2{margin:0;font-size:1rem}.notification-center ul,.settings-list{list-style:none;margin:.5rem 0;padding:0}.notification-center li button{display:grid;width:100%;grid-template-columns:auto auto 1fr;gap:.35rem;border:0;border-radius:6px;background:#fff;padding:.6rem;text-align:left}.notification-center li.unread button{background:#f3eaf3}.notification-center li button:hover{background:#f4f4f4}.notification-center small{grid-column:1 / -1;color:var(--muted)}.notification-kind{color:#1264a3;font-size:.75rem}.search-modal>input{width:100%;border:1px solid var(--border);border-radius:6px;padding:.6rem .75rem}.search-results section{margin-top:1rem}.search-results h3,.workspace-settings h3{margin:0 0 .4rem;font-size:.85rem}.search-results button{display:grid;width:100%;grid-template-columns:auto 1fr;gap:.45rem;border:0;border-radius:5px;background:none;padding:.45rem;text-align:left}.search-results button:hover{background:#f4f4f4}.search-results button span,.search-results button small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.search-results mark{border-radius:2px;background:#ffe66d;padding:0 .1em}.search-results button small{grid-column:2;color:var(--muted)}.workspace-settings section{margin-top:1.1rem}.workspace-settings label{display:flex;flex-direction:column;gap:.3rem}.workspace-settings input,.workspace-settings select{border:1px solid var(--border);border-radius:5px;padding:.35rem .5rem}.settings-list li{display:flex;align-items:center;justify-content:space-between;gap:.5rem;padding:.35rem 0;border-bottom:1px solid #eee}.settings-list li>span:last-child{display:flex;gap:.35rem}.notification-toolbar{display:flex;justify-content:flex-end;margin-bottom:.5rem}.danger{color:var(--danger)!important}@media(max-width:760px){.sidebar{width:190px}.thread-panel{position:absolute;top:0;right:0;bottom:0;left:0;z-index:10;width:auto}.message-image{width:100%}}