*{margin:0;padding:0;box-sizing:border-box}:root,[data-theme=light]{--bg-primary: #ffffff;--bg-secondary: #f8f9fa;--bg-sidebar: #3f0e40;--bg-hover: #f0f0f0;--bg-active: #1264a3;--text-primary: #1d1c1d;--text-secondary: #616061;--text-muted: #868686;--border-color: #e0e0e0;--accent: #6366f1;--accent-hover: #5558e6;--green: #2bac76;--red: #e74c3c;--yellow: #f0b132;--input-bg: #ffffff;--message-hover: #f5f5f5;--sidebar-text: rgba(255,255,255,.85);--sidebar-text-muted: rgba(255,255,255,.55);--sidebar-hover: rgba(255,255,255,.1);--sidebar-active: #1264a3}[data-theme=dark]{--bg-primary: #1a1d21;--bg-secondary: #222529;--bg-sidebar: #19171d;--bg-hover: #2c2d31;--bg-active: #1264a3;--text-primary: #d1d2d3;--text-secondary: #ababad;--text-muted: #7a7a7d;--border-color: #3a3b3d;--accent: #7c7ff2;--accent-hover: #6b6ee6;--green: #2bac76;--red: #e74c3c;--yellow: #f0b132;--input-bg: #222529;--message-hover: #27282c;--sidebar-text: rgba(255,255,255,.85);--sidebar-text-muted: rgba(255,255,255,.55);--sidebar-hover: rgba(255,255,255,.1);--sidebar-active: #1264a3}[data-theme=dark] .login-card{background:#222529}[data-theme=dark] .login-logo h1,[data-theme=dark] .login-card h2{color:var(--text-primary)}[data-theme=dark] ::-webkit-scrollbar-thumb{background:#4a4b4d}[data-theme=dark] ::-webkit-scrollbar-thumb:hover{background:#5a5b5d}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-primary);color:var(--text-primary);height:100vh;overflow:hidden}#root{height:100vh}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ccc;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#aaa}.login-page{display:flex;align-items:center;justify-content:center;height:100vh;background:linear-gradient(135deg,#667eea,#764ba2)}.login-card{background:#fff;border:1px solid var(--border-color);border-radius:12px;padding:48px 40px;width:100%;max-width:420px;box-shadow:0 20px 60px #00000026}.login-logo{text-align:center;margin-bottom:32px}.login-logo h1{font-size:28px;font-weight:700;color:#1d1c1d;margin-bottom:4px}.login-logo span{color:var(--accent)}.login-logo p{color:var(--text-muted);font-size:14px}.login-card h2{font-size:20px;margin-bottom:24px;color:#1d1c1d}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:13px;color:var(--text-secondary);margin-bottom:6px;font-weight:500}.form-group input{width:100%;padding:10px 12px;background:var(--input-bg);border:1px solid var(--border-color);border-radius:6px;color:var(--text-primary);font-size:14px;outline:none;transition:border-color .2s}.form-group input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #6366f11a}.btn-primary{width:100%;padding:11px;background:var(--accent);color:#fff;border:none;border-radius:6px;font-size:14px;font-weight:600;cursor:pointer;transition:background .2s;margin-top:8px}.btn-primary:hover{background:var(--accent-hover)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.login-toggle{text-align:center;margin-top:20px;font-size:13px;color:var(--text-muted)}.login-toggle button{background:none;border:none;color:var(--accent);cursor:pointer;font-size:13px;font-weight:500}.error-msg{background:#e74c3c1a;color:var(--red);padding:10px 12px;border-radius:6px;font-size:13px;margin-bottom:16px}.app-layout{display:flex;height:100vh}.sidebar{width:260px;min-width:260px;background:var(--bg-sidebar);display:flex;flex-direction:column;height:100vh}.sidebar-header{padding:16px 16px 12px;border-bottom:1px solid rgba(255,255,255,.1);display:flex;align-items:center;justify-content:space-between}.sidebar-header h2{font-size:16px;font-weight:700;color:#fff}.sidebar-header h2 span{color:#fff}.btn-icon-sm{background:none;border:none;color:var(--sidebar-text-muted);cursor:pointer;font-size:16px;padding:4px;border-radius:4px}.btn-icon-sm:hover{background:var(--sidebar-hover);color:#fff}.sidebar-user{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.1)}.avatar{width:32px;height:32px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;color:#fff;flex-shrink:0}.avatar-sm{width:28px;height:28px;font-size:11px}.sidebar-user-info{flex:1;min-width:0}.sidebar-user-name{font-size:13px;font-weight:600;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-user-status{font-size:11px;color:var(--green);display:flex;align-items:center;gap:4px}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--green);display:inline-block}.status-dot.offline{background:var(--text-muted)}.btn-logout{background:none;border:none;color:var(--sidebar-text-muted);cursor:pointer;font-size:12px;padding:4px 8px;border-radius:4px}.btn-logout:hover{color:#ff6b6b;background:var(--sidebar-hover)}.sidebar-nav{flex:1;overflow-y:auto;padding:8px 0}.sidebar-section{margin-bottom:8px}.sidebar-section-header{display:flex;align-items:center;justify-content:space-between;padding:4px 16px;font-size:12px;font-weight:600;color:var(--sidebar-text-muted);text-transform:uppercase;letter-spacing:.5px}.btn-add{background:none;border:none;color:var(--sidebar-text-muted);cursor:pointer;font-size:16px;width:20px;height:20px;display:flex;align-items:center;justify-content:center;border-radius:4px}.btn-add:hover{color:#fff;background:var(--sidebar-hover)}.sidebar-item{display:flex;align-items:center;gap:8px;padding:5px 16px;cursor:pointer;font-size:14px;color:var(--sidebar-text);transition:background .1s;border:none;background:none;width:100%;text-align:left}.sidebar-item:hover{background:var(--sidebar-hover)}.sidebar-item.active{background:var(--sidebar-active);color:#fff}.sidebar-item-icon{font-size:14px;opacity:.7;width:18px;text-align:center}.sidebar-item-name{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-item .unread-badge,.unread-badge{background:var(--red);color:#fff;font-size:10px;padding:1px 6px;border-radius:10px;font-weight:600}.chat-area{flex:1;display:flex;flex-direction:column;background:var(--bg-primary);min-width:0}.chat-header{padding:12px 20px;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;background:var(--bg-primary)}.chat-header-info h3{font-size:16px;font-weight:600;color:var(--text-primary)}.chat-header-info p{font-size:12px;color:var(--text-muted)}.chat-header-actions{display:flex;gap:8px}.btn-icon{background:none;border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;padding:6px 10px;border-radius:6px;font-size:13px;display:flex;align-items:center;gap:6px}.btn-icon:hover{background:var(--bg-hover);color:var(--text-primary)}.messages-container{flex:1;overflow-y:auto;padding:16px 20px}.message{display:flex;gap:10px;padding:6px 0;border-radius:6px;position:relative}.message:hover{background:var(--message-hover)}.message-content{flex:1;min-width:0}.message-header{display:flex;align-items:baseline;gap:8px;margin-bottom:2px}.message-author{font-size:14px;font-weight:600;color:var(--text-primary)}.message-time{font-size:11px;color:var(--text-muted)}.message-edited{font-size:11px;color:var(--text-muted);font-style:italic}.pin-indicator{font-size:12px;margin-left:4px}.message-text{font-size:14px;color:var(--text-primary);line-height:1.5;word-break:break-word;white-space:pre-wrap}.message-actions{display:none;gap:4px;align-items:flex-start;position:absolute;right:4px;top:-8px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:6px;padding:2px 4px;box-shadow:0 2px 8px #00000014}.message:hover .message-actions{display:flex}.msg-action-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:2px 6px;border-radius:4px;font-size:12px}.msg-action-btn:hover{color:var(--text-primary);background:var(--bg-hover)}.msg-action-btn.delete:hover{color:var(--red)}.msg-attachments{margin-top:6px;display:flex;flex-wrap:wrap;gap:8px}.attachment-item{max-width:360px}.attachment-image{max-width:360px;max-height:240px;border-radius:8px;border:1px solid var(--border-color);cursor:pointer;object-fit:cover}.attachment-file{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;text-decoration:none;color:var(--text-primary);transition:background .15s}.attachment-file:hover{background:var(--bg-hover)}.attachment-icon{font-size:20px}.attachment-info{display:flex;flex-direction:column}.attachment-name{font-size:13px;font-weight:500;color:var(--accent)}.attachment-size{font-size:11px;color:var(--text-muted)}.msg-reactions{display:flex;flex-wrap:wrap;gap:4px;margin-top:4px}.reaction-chip{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;padding:2px 8px;font-size:12px;cursor:pointer;display:flex;align-items:center;gap:4px;color:var(--text-secondary);transition:all .15s}.reaction-chip:hover{background:var(--bg-hover);border-color:var(--accent)}.reaction-chip.own{background:#6366f11a;border-color:var(--accent);color:var(--accent)}.reaction-chip.add-reaction{color:var(--text-muted);font-size:14px;padding:2px 6px}.emoji-picker{display:flex;flex-wrap:wrap;gap:2px;padding:8px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:8px;box-shadow:0 4px 16px #0000001f;position:absolute;z-index:100;width:220px;margin-top:4px}.emoji-btn{background:none;border:none;font-size:18px;cursor:pointer;padding:4px;border-radius:4px;line-height:1}.emoji-btn:hover{background:var(--bg-hover)}.thread-indicator{background:none;border:none;color:var(--accent);font-size:12px;font-weight:500;cursor:pointer;padding:4px 0;margin-top:4px}.thread-indicator:hover{text-decoration:underline}.thread-panel{width:380px;min-width:380px;background:var(--bg-primary);border-left:1px solid var(--border-color);display:flex;flex-direction:column;height:100vh}.thread-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border-color)}.thread-header h3{font-size:15px;font-weight:600;color:var(--text-primary)}.btn-close-panel{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:18px;padding:4px 8px;border-radius:4px}.btn-close-panel:hover{background:var(--bg-hover);color:var(--text-primary)}.thread-messages{flex:1;overflow-y:auto;padding:12px 16px}.thread-parent-msg{border-bottom:1px solid var(--border-color);padding-bottom:12px;margin-bottom:8px}.thread-divider{display:flex;align-items:center;gap:12px;margin:8px 0;font-size:12px;color:var(--text-muted);font-weight:500}.thread-divider:after{content:"";flex:1;height:1px;background:var(--border-color)}.thread-input-area{padding:12px 16px;border-top:1px solid var(--border-color)}.pending-files{display:flex;flex-wrap:wrap;gap:6px;padding:8px 16px 4px}.pending-file{display:flex;align-items:center;gap:6px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:6px;padding:4px 10px;font-size:12px}.pending-file-name{color:var(--text-primary);max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.pending-file-size{color:var(--text-muted)}.pending-file-remove{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:14px;padding:0 2px}.pending-file-remove:hover{color:var(--red)}.message-input-area{padding:12px 20px 20px}.message-input-wrapper{background:var(--input-bg);border:1px solid var(--border-color);border-radius:8px;display:flex;align-items:flex-end;transition:border-color .2s}.message-input-wrapper:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px #6366f11a}.btn-attach{background:none;border:none;cursor:pointer;font-size:18px;padding:10px 8px 10px 12px;color:var(--text-muted);flex-shrink:0}.btn-attach:hover{color:var(--text-primary)}.message-input{flex:1;background:none;border:none;color:var(--text-primary);font-size:14px;font-family:inherit;padding:12px 8px;resize:none;outline:none;max-height:120px;line-height:1.4}.message-input::placeholder{color:var(--text-muted)}.btn-send{background:var(--accent);border:none;color:#fff;cursor:pointer;padding:8px 12px;margin:6px;border-radius:6px;font-size:14px;display:flex;align-items:center}.btn-send:hover{background:var(--accent-hover)}.btn-send:disabled{opacity:.4;cursor:not-allowed}.typing-indicator{padding:4px 20px;font-size:12px;color:var(--text-muted);font-style:italic;min-height:24px}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:var(--text-muted);text-align:center;padding:40px}.empty-state h2{font-size:24px;color:var(--text-primary);margin-bottom:8px}.empty-state p{font-size:14px;max-width:400px}.members-panel{width:260px;min-width:260px;background:var(--bg-secondary);border-left:1px solid var(--border-color);padding:16px;overflow-y:auto}.members-panel h3{font-size:14px;font-weight:600;color:var(--text-primary);margin-bottom:16px}.member-item{display:flex;align-items:center;gap:10px;padding:6px 0}.member-name{font-size:13px;color:var(--text-primary)}.member-role{font-size:11px;color:var(--accent);background:#6366f11a;padding:1px 6px;border-radius:4px}.search-modal{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:12px;width:100%;max-width:640px;max-height:70vh;display:flex;flex-direction:column;box-shadow:0 20px 60px #00000026}.search-header{display:flex;align-items:center;gap:12px;padding:16px;border-bottom:1px solid var(--border-color)}.search-input{flex:1;background:none;border:none;font-size:16px;color:var(--text-primary);outline:none;font-family:inherit}.search-input::placeholder{color:var(--text-muted)}.search-results{flex:1;overflow-y:auto;padding:8px}.search-result-item{padding:10px 12px;border-radius:6px;cursor:pointer}.search-result-item:hover{background:var(--bg-hover)}.search-result-meta{display:flex;align-items:baseline;gap:8px;margin-bottom:2px}.search-channel{font-size:11px;color:var(--accent);background:#6366f114;padding:1px 6px;border-radius:4px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:12px;padding:28px;width:100%;max-width:440px;box-shadow:0 20px 60px #00000026}.modal h3{font-size:18px;color:var(--text-primary);margin-bottom:20px}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:20px}.btn-secondary{padding:8px 16px;background:var(--bg-hover);color:var(--text-primary);border:1px solid var(--border-color);border-radius:6px;font-size:13px;cursor:pointer}.btn-secondary:hover{background:var(--border-color)}.btn-submit{padding:8px 16px;background:var(--accent);color:#fff;border:none;border-radius:6px;font-size:13px;font-weight:600;cursor:pointer}.btn-submit:hover{background:var(--accent-hover)}.date-separator{display:flex;align-items:center;gap:16px;margin:16px 0}.date-separator:before,.date-separator:after{content:"";flex:1;height:1px;background:var(--border-color)}.date-separator span{font-size:12px;font-weight:600;color:var(--text-muted);white-space:nowrap}.color-options{display:flex;gap:8px;margin-top:6px}.color-option{width:28px;height:28px;border-radius:50%;border:2px solid transparent;cursor:pointer;transition:transform .1s}.color-option:hover{transform:scale(1.15)}.color-option.selected{border-color:var(--text-primary)}.admin-panel{flex:1;overflow-y:auto;padding:24px 32px}.admin-panel h2{font-size:22px;font-weight:700;color:var(--text-primary);margin-bottom:24px}.admin-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:32px}.stat-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:10px;padding:20px}.stat-card .stat-value{font-size:28px;font-weight:700;color:var(--text-primary)}.stat-card .stat-label{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-top:4px}.admin-section{margin-bottom:32px}.admin-section h3{font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--border-color)}.admin-table{width:100%;border-collapse:collapse}.admin-table th{text-align:left;font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;padding:8px 12px;border-bottom:1px solid var(--border-color)}.admin-table td{padding:10px 12px;font-size:13px;color:var(--text-primary);border-bottom:1px solid var(--border-color)}.admin-table tr:hover td{background:var(--bg-hover)}.admin-table .role-badge{font-size:11px;padding:2px 8px;border-radius:4px;font-weight:600}.admin-table .role-badge.admin{background:#6366f11a;color:var(--accent)}.admin-table .role-badge.member{background:#2bac761a;color:var(--green)}.admin-actions{display:flex;gap:6px}.admin-btn{background:var(--bg-hover);border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;padding:4px 10px;border-radius:4px;font-size:11px}.admin-btn:hover{color:var(--text-primary);background:var(--border-color)}.admin-btn.danger:hover{color:var(--red);border-color:var(--red)}.success-msg{background:#2bac761a;color:var(--green);padding:10px 12px;border-radius:6px;font-size:13px;margin-bottom:16px}.sidebar-item.admin-link{color:#ffffffe6;font-weight:500}.modal-wide{max-width:540px}.tabs{display:flex;gap:0;margin-bottom:20px;border-bottom:1px solid var(--border-color)}.tab-btn{background:none;border:none;color:var(--text-muted);padding:8px 16px;font-size:13px;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px}.tab-btn.active{color:var(--text-primary);border-bottom-color:var(--accent)}.tab-btn:hover{color:var(--text-primary)}.mention-highlight{background:#6366f11f;color:var(--accent);padding:1px 4px;border-radius:3px;font-weight:600}.mention-dropdown{position:absolute;bottom:100%;left:16px;right:16px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:8px;box-shadow:0 4px 16px #0000001f;max-height:240px;overflow-y:auto;z-index:100;margin-bottom:4px}.mention-option{display:flex;align-items:center;gap:10px;padding:8px 12px;cursor:pointer;font-size:14px;color:var(--text-primary)}.mention-option:hover,.mention-option.active{background:var(--bg-hover)}.inline-code{background:#6366f114;color:#c7254e;padding:2px 6px;border-radius:3px;font-family:SF Mono,Menlo,Monaco,monospace;font-size:13px}.code-block{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:6px;padding:12px 16px;margin:6px 0;overflow-x:auto;font-family:SF Mono,Menlo,Monaco,monospace;font-size:13px;line-height:1.5;color:var(--text-primary)}.code-block code{font-family:inherit}.link-previews{margin-top:6px;display:flex;flex-direction:column;gap:6px}.link-preview-card{display:flex;gap:12px;padding:10px 14px;background:var(--bg-secondary);border:1px solid var(--border-color);border-left:3px solid var(--accent);border-radius:6px;text-decoration:none;color:var(--text-primary);max-width:500px;transition:background .15s}.link-preview-card:hover{background:var(--bg-hover)}.link-preview-image{width:80px;height:80px;border-radius:6px;object-fit:cover;flex-shrink:0}.link-preview-body{display:flex;flex-direction:column;gap:2px;min-width:0}.link-preview-site{font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.3px}.link-preview-title{font-size:14px;font-weight:600;color:var(--accent);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.link-preview-desc{font-size:12px;color:var(--text-secondary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.chat-area.drag-over{position:relative}.drag-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#6366f114;border:3px dashed var(--accent);border-radius:8px;display:flex;align-items:center;justify-content:center;z-index:50;margin:8px}.drag-overlay-content{font-size:18px;font-weight:600;color:var(--accent);background:var(--bg-primary);padding:16px 32px;border-radius:8px;box-shadow:0 4px 16px #0000001a}.notif-badge{position:absolute;top:-4px;right:-4px;background:var(--red);color:#fff;font-size:9px;font-weight:700;padding:1px 4px;border-radius:8px;min-width:14px;text-align:center;line-height:14px}.notif-unread{background:#6366f10f;border-left:3px solid var(--accent)}.status-preset{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:16px;padding:4px 12px;font-size:12px;color:var(--text-secondary);cursor:pointer;transition:all .15s}.status-preset:hover{background:var(--bg-hover);border-color:var(--accent);color:var(--text-primary)}.message-input-area{position:relative}.avatar-img{object-fit:cover;border-radius:6px}.avatar-upload-area{display:flex;align-items:center;gap:16px;margin-top:6px}.avatar-upload-preview{width:64px;height:64px;border-radius:10px;object-fit:cover;flex-shrink:0}.avatar-upload-initials{display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:600;color:#fff}.sidebar-color-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:6px}.sidebar-color-option{width:100%;aspect-ratio:1;border-radius:8px;cursor:pointer;border:2px solid transparent;display:flex;align-items:center;justify-content:center;transition:transform .1s,border-color .15s}.sidebar-color-option:hover{transform:scale(1.08)}.sidebar-color-option.selected{border-color:var(--accent);box-shadow:0 0 0 2px #6366f14d}.theme-skin-options{display:flex;gap:12px;margin-top:6px}.theme-skin-btn{display:flex;flex-direction:column;align-items:center;gap:6px;background:none;border:2px solid var(--border-color);border-radius:10px;padding:10px;cursor:pointer;font-size:13px;color:var(--text-primary);font-weight:500;transition:border-color .15s;flex:1}.theme-skin-btn:hover{border-color:var(--accent)}.theme-skin-btn.selected{border-color:var(--accent);background:#6366f10f}.theme-skin-preview{width:100%;height:48px;border-radius:6px;display:flex;overflow:hidden}.sidebar.light-sidebar{--sidebar-text: rgba(0,0,0,.75);--sidebar-text-muted: rgba(0,0,0,.5);--sidebar-hover: rgba(0,0,0,.06);--sidebar-active: #1264a3}.sidebar.light-sidebar .sidebar-header h2,.sidebar.light-sidebar .sidebar-user-name{color:#000000d9}.sidebar.light-sidebar .sidebar-header,.sidebar.light-sidebar .sidebar-user{border-bottom:1px solid rgba(0,0,0,.1)}.sidebar.light-sidebar .sidebar-item.active{color:#fff}.theme-preview{display:flex;border-radius:8px;overflow:hidden;border:1px solid var(--border-color);height:120px;margin-top:6px}.theme-preview-sidebar{width:100px;flex-shrink:0}.theme-preview-main{flex:1;background:var(--bg-primary)}.lightbox-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000e6;z-index:2000;display:flex;align-items:center;justify-content:center;flex-direction:column;cursor:zoom-out}.lightbox-close{position:absolute;top:16px;right:20px;background:none;border:none;color:#fff;font-size:28px;cursor:pointer;z-index:2001;padding:4px 10px;border-radius:6px}.lightbox-close:hover{background:#ffffff26}.lightbox-content{max-width:90vw;max-height:85vh;display:flex;align-items:center;justify-content:center;cursor:default}.lightbox-media{max-width:90vw;max-height:85vh;border-radius:8px;object-fit:contain}.lightbox-download{color:#ffffffb3;font-size:13px;margin-top:12px;text-decoration:none;padding:6px 14px;border:1px solid rgba(255,255,255,.3);border-radius:6px;cursor:pointer}.lightbox-download:hover{color:#fff;border-color:#fff9}.attachment-video-wrap{position:relative;max-width:360px;cursor:pointer;border-radius:8px;overflow:hidden;border:1px solid var(--border-color)}.attachment-video{max-width:360px;max-height:240px;display:block;object-fit:cover}.video-play-btn{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-size:32px;color:#fff;background:#0000004d;transition:background .2s}.attachment-video-wrap:hover .video-play-btn{background:#00000080}.avatar-clickable{cursor:pointer;transition:opacity .15s}.avatar-clickable:hover{opacity:.8}.profile-card{width:300px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:12px;box-shadow:0 8px 30px #0003;overflow:hidden;z-index:1500}.profile-card-close{position:absolute;top:8px;right:8px;background:#0000004d;border:none;color:#fff;font-size:16px;cursor:pointer;padding:2px 8px;border-radius:4px;z-index:1}.profile-card-close:hover{background:#00000080}.profile-card-header{height:80px;position:relative;display:flex;align-items:flex-end;justify-content:center}.profile-card-avatar{width:72px;height:72px;border-radius:12px;border:3px solid var(--bg-primary);object-fit:cover;position:absolute;bottom:-36px}.profile-card-initials{display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:600;color:#fff}.profile-card-body{padding:44px 20px 20px;text-align:center}.profile-card-body h4{font-size:18px;font-weight:600;color:var(--text-primary);margin-bottom:4px}.profile-card-status{font-size:13px;color:var(--text-secondary);margin-bottom:12px}.profile-card-info{border-top:1px solid var(--border-color);padding-top:12px;text-align:left}.profile-card-row{display:flex;justify-content:space-between;align-items:center;padding:6px 0;font-size:13px;color:var(--text-primary)}.profile-card-label{color:var(--text-muted);font-size:12px;font-weight:500}.star-btn{background:none;border:none;color:#f0b132;font-size:18px;cursor:pointer;padding:0 4px;margin-left:6px;vertical-align:middle;line-height:1}.star-btn:hover{transform:scale(1.2)}.channel-topic{font-size:12px;color:var(--text-muted);cursor:pointer;display:flex;align-items:center;gap:6px}.topic-edit-hint{font-size:11px;color:var(--text-muted);opacity:0;transition:opacity .15s}.channel-topic:hover .topic-edit-hint{opacity:.6}.topic-edit{display:flex;align-items:center;gap:6px}.topic-input{flex:1;padding:4px 8px;font-size:12px;background:var(--input-bg);border:1px solid var(--accent);border-radius:4px;color:var(--text-primary);outline:none;font-family:inherit}.topic-save-btn{background:var(--accent);color:#fff;border:none;padding:4px 10px;border-radius:4px;font-size:12px;cursor:pointer}.topic-cancel-btn{background:none;color:var(--text-muted);border:1px solid var(--border-color);padding:4px 10px;border-radius:4px;font-size:12px;cursor:pointer}.channel-category{margin-bottom:2px}.category-header{display:flex;align-items:center;padding:4px 16px;cursor:pointer;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--sidebar-text-muted);-webkit-user-select:none;user-select:none}.category-header:hover{color:var(--sidebar-text)}.category-toggle{margin-right:4px;font-size:10px;width:12px}.category-name{flex:1}.sidebar.light-sidebar .category-header{color:#00000073}.sidebar.light-sidebar .category-header:hover{color:#000000b3}.muted-channel .sidebar-item-name{opacity:.5}.muted-icon{margin-left:4px;font-size:10px}.context-menu{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:8px;box-shadow:0 8px 24px #00000026;min-width:180px;padding:4px 0;z-index:1000}.context-menu-item{display:block;width:100%;padding:8px 16px;background:none;border:none;font-size:13px;color:var(--text-primary);cursor:pointer;text-align:left}.context-menu-item:hover{background:var(--bg-hover)}.context-menu-divider{height:1px;background:var(--border-color);margin:4px 0}.context-menu-label{padding:4px 16px;font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.forwarded-label{font-size:11px;color:var(--text-muted);font-style:italic;margin-bottom:4px;padding:2px 8px;border-left:3px solid var(--accent)}.forwarded-preview{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:6px;padding:10px 14px;margin-bottom:12px}.forwarded-preview-author{font-weight:600;font-size:13px;margin-bottom:4px}.forwarded-preview-text{font-size:13px;color:var(--text-secondary)}.forward-channel-list{max-height:300px;overflow-y:auto}.forward-channel-item{display:block;width:100%;padding:10px 14px;background:none;border:none;border-bottom:1px solid var(--border-color);font-size:14px;color:var(--text-primary);cursor:pointer;text-align:left}.forward-channel-item:hover{background:var(--bg-hover)}.forward-channel-item span{color:var(--text-muted);margin-right:6px}.poll-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;padding:14px;margin-top:8px;max-width:400px}.poll-question{font-weight:600;font-size:14px;margin-bottom:10px}.poll-option{display:flex;align-items:center;width:100%;padding:8px 12px;margin-bottom:6px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:6px;cursor:pointer;font-size:13px;color:var(--text-primary);position:relative;overflow:hidden;text-align:left}.poll-option:hover{border-color:var(--accent)}.poll-option.voted{border-color:var(--accent);background:#6366f10d}.poll-option-bar{position:absolute;left:0;top:0;bottom:0;background:#6366f11a;transition:width .3s ease;border-radius:5px}.poll-option-text{position:relative;z-index:1;flex:1}.poll-option-pct{position:relative;z-index:1;font-weight:600;font-size:12px;color:var(--text-muted);margin-left:8px}.poll-footer{font-size:12px;color:var(--text-muted);margin-top:6px}.poll-loading{font-size:12px;color:var(--text-muted);padding:8px}.slash-toast{position:fixed;bottom:80px;left:50%;transform:translate(-50%);background:var(--accent);color:#fff;padding:10px 20px;border-radius:8px;font-size:13px;font-weight:500;box-shadow:0 4px 16px #0003;z-index:9999;animation:slideUp .3s ease}@keyframes slideUp{0%{opacity:0;transform:translate(-50%) translateY(20px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.read-receipt-btn{background:none;border:none;font-size:11px;color:var(--accent);cursor:pointer;padding:2px 6px;border-radius:4px;opacity:.7}.read-receipt-btn:hover{opacity:1;background:#6366f11a}.read-receipts-popup{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:8px;box-shadow:0 4px 16px #0000001f;padding:10px 14px;max-width:220px;margin-top:4px}.read-receipts-title{font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px}.read-receipts-empty{font-size:12px;color:var(--text-muted)}.read-receipt-user{font-size:13px;padding:2px 0;color:var(--text-primary)}.huddle-bar{display:flex;align-items:center;justify-content:space-between;background:linear-gradient(135deg,#1a7f37,#2ea043);color:#fff;padding:8px 16px;border-radius:8px;margin:0 16px 8px;animation:slideUp .3s ease}.huddle-bar-info{display:flex;align-items:center;gap:8px;font-size:13px}.huddle-pulse{width:8px;height:8px;background:#4cff7c;border-radius:50%;animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.6;transform:scale(1.3)}}.huddle-label{font-weight:600}.huddle-participants-text{opacity:.85;font-size:12px}.huddle-bar-actions{display:flex;gap:6px}.huddle-mute-btn{background:#fff3;border:none;color:#fff;padding:4px 10px;border-radius:6px;cursor:pointer;font-size:14px}.huddle-mute-btn.muted{background:#e74c3c99}.huddle-leave-btn{background:#e74c3ccc;border:none;color:#fff;padding:4px 12px;border-radius:6px;cursor:pointer;font-size:12px;font-weight:600}.huddle-leave-btn:hover{background:#e74c3c}.huddle-active-btn{background:#2bac761a!important;color:var(--green)!important}.btn-schedule{background:none;border:none;font-size:16px;cursor:pointer;padding:4px 6px;border-radius:4px;opacity:.6}.btn-schedule:hover{opacity:1;background:var(--bg-hover)}.scheduled-preview{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:6px;padding:10px 14px;margin-bottom:12px;font-size:13px;color:var(--text-secondary);max-height:80px;overflow:hidden}.scheduled-item{padding:10px 0;border-bottom:1px solid var(--border-color)}.scheduled-item-info{display:flex;justify-content:space-between;margin-bottom:4px}.scheduled-item-channel{font-size:12px;font-weight:600;color:var(--accent)}.scheduled-item-time{font-size:11px;color:var(--text-muted)}.scheduled-item-content{font-size:13px;color:var(--text-primary)}.activity-view{display:flex;flex-direction:column;height:100%}.activity-dm-item{display:flex;align-items:center;gap:12px;padding:12px 20px;cursor:pointer;border-bottom:1px solid var(--border-color);transition:background .15s}.activity-dm-item:hover{background:var(--message-hover)}.activity-dm-info{flex:1;min-width:0}.activity-dm-name{display:flex;align-items:center;gap:6px;margin-bottom:2px;font-weight:600;font-size:14px}.activity-dm-time{font-size:11px;color:var(--text-muted);font-weight:400;margin-left:auto}.activity-dm-preview{font-size:13px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.activity-recent-item{display:flex;align-items:flex-start;gap:10px;padding:10px 20px;border-bottom:1px solid var(--border-color)}.activity-recent-info{flex:1;min-width:0}.activity-recent-meta{display:flex;align-items:center;gap:8px;margin-bottom:2px}.chat-header-actions .btn-icon.active{background:#6366f126;color:var(--accent)}