*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #0a0a0a;--bg-secondary: #111111;--bg-tertiary: #1a1a1a;--bg-hover: #222222;--bg-active: #2a2a2a;--text-primary: #e0e0e0;--text-secondary: #888888;--text-muted: #555555;--border-color: #2a2a2a;--border-light: #333333;--accent: #7a7a7a;--accent-hover: #999999;--error: #cc4444;--success: #44aa44;--bridge: #4a9eda;--font-mono: "JetBrains Mono", "Cascadia Code", "Fira Code", "SF Mono", "Consolas", monospace;--radius: 2px;--touch-target: 44px;--chat-composer-max-height: 120px;--overlay-bg: rgba(10, 10, 10, .85)}[data-theme=light]{--bg-primary: #ffffff;--bg-secondary: #f5f5f5;--bg-tertiary: #eaeaea;--bg-hover: #e0e0e0;--bg-active: #d5d5d5;--text-primary: #1a1a1a;--text-secondary: #555555;--text-muted: #999999;--border-color: #d5d5d5;--border-light: #c0c0c0;--accent: #555555;--accent-hover: #333333;--error: #cc3333;--success: #2d8a2d;--bridge: #2b7fb8;--overlay-bg: rgba(255, 255, 255, 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var(--border-color);background:var(--bg-secondary);flex-shrink:0}.header-left{display:flex;align-items:center;gap:8px;min-width:0}.logo{position:relative;font-weight:700;font-size:14px;letter-spacing:1px;color:var(--text-primary);flex-shrink:0}.sep{color:var(--text-muted);flex-shrink:0}.room-slug{color:var(--text-secondary);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.copy-url-btn{position:relative;background:none;border:none;color:var(--text-muted);font-size:12px;cursor:pointer;padding:0 2px;flex-shrink:0}.header-right{display:flex;align-items:center;gap:12px;flex-shrink:0}.peer-count-wrapper{position:relative}.peer-count{position:relative;font-size:11px;color:var(--text-secondary);padding:2px 8px;border:1px solid var(--border-color);border-radius:var(--radius);cursor:pointer;background:none}.peer-list-dropdown{position:absolute;top:100%;right:0;margin-top:6px;background:var(--bg-tertiary);border:1px solid 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var(--border-color);background:var(--bg-secondary);flex-shrink:0}.footer-text{font-size:10px;color:var(--text-muted)}.theme-toggle{background:none;border:none;font-size:14px;color:var(--text-muted);cursor:pointer;padding:2px 4px;line-height:1}.drop-zone-wrapper{flex-shrink:0;display:flex;overflow:hidden}.drop-zone{position:relative;display:flex;align-items:center;justify-content:center;padding:32px 16px;flex:1;width:100%}.drop-zone-content{display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center}.drop-icon{font-size:24px;color:var(--text-muted);line-height:1}.drop-text{font-size:13px;color:var(--text-secondary)}.browse-btn{color:var(--text-primary);text-decoration:underline;text-underline-offset:2px;font-size:13px;background:none;border:none;padding:0}.drop-hint{font-size:10px;color:var(--text-muted);max-width:320px}.drop-zone.drop-zone-compact{padding:8px 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transparent;border-radius:var(--radius);line-height:1.6;vertical-align:middle;opacity:.55}.chat-msg-copy.copied{color:var(--success);opacity:1}.chat-msg-copy:active{color:var(--text-primary);border-color:var(--border-color)}.chat-msg-file-ref{color:var(--accent-hover);text-decoration:underline;text-underline-offset:2px;cursor:pointer}.chat-msg-file-size{font-size:9px;color:var(--text-muted);margin-left:3px;font-style:normal;text-decoration:none;display:inline-block}.chat-msg-user-ref{color:var(--accent-hover);font-weight:500}.chat-msg-bridge{border-left:2px solid var(--bridge);padding-left:6px;margin-left:-8px}.chat-msg-bridge-origin{padding:0 3px;font-size:9px;color:var(--bridge);border:1px solid var(--bridge);border-radius:var(--radius);vertical-align:middle}.chat-msg-bridge .chat-msg-name{color:var(--bridge)}.chat-msg-mentioned{background:var(--bg-tertiary);border-left:2px solid var(--accent-hover);padding-left:6px;margin-left:-8px}.chat-mention-type{color:var(--text-muted);margin-right:6px;font-size:10px}.chat-input-wrapper{position:relative;flex-shrink:0;border-top:1px solid var(--border-color)}.chat-input{display:block;width:100%;max-height:var(--chat-composer-max-height);padding:8px 12px;font-family:inherit;font-size:12px;line-height:1.5;background:var(--bg-secondary);color:var(--text-primary);border:none;outline:none;resize:none;overflow-y:auto}.chat-input-row{display:flex;align-items:flex-end}.chat-input-row .chat-input{flex:1;min-width:0}.chat-send-btn{display:flex;align-items:center;justify-content:center;padding:8px 10px;background:var(--bg-secondary);color:var(--text-muted);border:none;border-left:1px solid var(--border-color);cursor:pointer;font-size:12px;line-height:1;flex-shrink:0}.chat-input::placeholder{color:var(--text-muted)}.chat-mentions{display:none;position:absolute;bottom:100%;left:0;right:0;background:var(--bg-tertiary);border:1px solid var(--border-color);border-bottom:none;max-height:120px;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}.chat-mentions.visible{display:block}.chat-mention-item{padding:4px 12px;font-size:11px;color:var(--text-secondary);cursor:pointer}.chat-mentions .chat-mention-item.active{background:var(--bg-active);color:var(--text-primary);box-shadow:inset 2px 0 0 var(--accent-hover)}.chat-empty{color:var(--text-muted);font-size:10px;text-align:center;padding:16px}.mobile-tabs{display:flex;flex-shrink:0;background:var(--bg-secondary)}.mobile-tab{position:relative;flex:1;display:flex;align-items:center;justify-content:center;gap:6px;min-height:48px;padding:0 12px;font-size:13px;color:var(--text-secondary);background:none;border:none;border-bottom:2px solid var(--border-color)}.mobile-tab.active{color:var(--text-primary);border-bottom-color:var(--accent-hover)}.mobile-tab:active{background:var(--bg-hover)}.mobile-tab-badge{display:inline-flex;align-items:center;justify-content:center;min-width:16px;height:16px;padding:0 4px;font-size:9px;font-weight:600;color:var(--bg-primary);background:var(--accent-hover);border-radius:8px}.app.mobile{position:fixed;top:var(--viewport-offset, 0px);left:0;right:0;height:calc(100% - var(--keyboard-inset, 0px))}@supports (height: 100dvh){.app.mobile{height:calc(100dvh - var(--keyboard-inset, 0px))}}.app.mobile .drop-zone-wrapper{flex-shrink:0}.app.mobile .content-area{flex-direction:column}.app.mobile .file-panel{flex:1;min-height:0;border-right:none}.app.mobile .chat-wrapper,.app.mobile .chat{flex:1;width:100%;min-height:0}@media(max-width:768px),(max-height:500px)and (pointer:coarse){.header{padding-top:10px;padding-bottom:10px;padding-left:max(12px,env(safe-area-inset-left));padding-right:max(12px,env(safe-area-inset-right))}.header-left{gap:6px}.logo{font-size:13px}.room-slug{font-size:12px;max-width:120px}.header-right{gap:8px}.peer-name{display:none}.logo:before,.copy-url-btn:before,.peer-count:before{content:"";position:absolute;left:50%;top:50%;width:100%;min-width:var(--touch-target);height:var(--touch-target);transform:translate(-50%,-50%)}.file-checkbox:before{content:"";position:absolute;left:-14px;top:50%;width:var(--touch-target);height:var(--touch-target);transform:translateY(-50%)}.drop-zone{padding:24px 12px}.file-search-input,.chat-input{font-size:16px;min-height:var(--touch-target);padding:10px 12px}.file-item{padding:10px 12px;gap:8px}.file-thumb{width:28px;height:28px}.folder-header{padding:10px 12px}.folder-header-info{min-height:var(--touch-target)}.file-action-btn{min-width:var(--touch-target);min-height:var(--touch-target);padding:6px 12px;font-size:12px}.store-dropdown-item,.chat-mention-item{display:flex;align-items:center;min-height:var(--touch-target);padding:0 14px;font-size:13px}.chat-mentions{max-height:180px}.chat-send-btn{min-width:var(--touch-target);min-height:var(--touch-target);font-size:16px}.chat-msg{position:relative;font-size:16px;margin-bottom:8px}.chat-msg-time,.chat-msg-bridge-origin{font-size:12px}.chat-msg-system{font-size:15px}.chat-msg-file-size{font-size:12px}.chat-empty{font-size:15px}.chat-msg-copy{display:none}.chat-msg.selected{min-height:var(--touch-target);padding-right:calc(var(--touch-target) + 8px);background:var(--bg-secondary);border-radius:var(--radius)}.chat-msg.selected .chat-msg-copy{display:flex;align-items:center;justify-content:center;position:absolute;top:0;right:0;bottom:0;min-width:var(--touch-target);font-size:12px;opacity:1}.footer{min-height:var(--touch-target);padding-top:0;padding-bottom:env(safe-area-inset-bottom);padding-left:max(12px,env(safe-area-inset-left));padding-right:max(12px,env(safe-area-inset-right))}.theme-toggle{display:flex;align-items:center;justify-content:center;min-width:var(--touch-target);min-height:var(--touch-target);padding:0;font-size:18px}}@media(hover:hover){::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.logo:hover{color:var(--accent-hover)}.copy-url-btn:hover{color:var(--text-primary)}.peer-count:hover{border-color:var(--border-light);color:var(--text-primary)}.theme-toggle:hover{color:var(--text-primary)}.resize-handle:hover{background:var(--text-muted)}.browse-btn:hover{color:var(--accent-hover)}.browse-btn-block:hover{background:var(--bg-hover);color:var(--text-primary)}.folder-header:hover,.file-item:hover{background:var(--bg-secondary)}.file-checkbox:hover .file-checkbox-mark{border-color:var(--text-secondary)}.file-action-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.store-btn:hover{color:var(--success);border-color:var(--success)}.delete-btn:hover{color:var(--error);border-color:var(--error)}.store-dropdown-item:hover{background:var(--bg-hover);color:var(--text-primary)}.chat-tab:hover{color:var(--text-primary);background:var(--bg-tertiary)}.chat-send-btn:hover{color:var(--text-primary)}.chat-mention-item:hover{background:var(--bg-hover);color:var(--text-primary)}.chat-msg-copy:hover{color:var(--text-primary);border-color:var(--border-color);opacity:1}.mobile-tab:hover{color:var(--text-primary)}}