@import"https://fonts.googleapis.com/css2?family=Pretendard:wght@300;400;500;600;700&display=swap";*{margin:0;padding:0;box-sizing:border-box}:root{--bg: #fafafa;--bg-sidebar: #ffffff;--bg-input: #f5f5f5;--bg-user-msg: #111111;--bg-assistant-msg: #ffffff;--bg-hover: #f0f0f0;--bg-active: #e8e8e8;--text: #1a1a1a;--text-secondary: #666666;--text-tertiary: #999999;--text-inverse: #ffffff;--border: #e5e5e5;--border-light: #f0f0f0;--accent: #111111;--accent-soft: #f5f5f5;--radius-sm: 6px;--radius-md: 12px;--radius-lg: 20px;--shadow-sm: 0 1px 3px rgba(0,0,0,.04);--shadow-md: 0 4px 12px rgba(0,0,0,.06);--font: "Pretendard", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;--font-mono: "SF Mono", "Fira Code", "JetBrains Mono", monospace}body{font-family:var(--font);background:var(--bg);color:var(--text);height:100vh;overflow:hidden;font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}#root{height:100vh}.app-layout{display:flex;height:100vh}.sidebar{width:260px;background:var(--bg-sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0}.sidebar-header{padding:20px 16px 16px;display:flex;align-items:center;justify-content:space-between}.sidebar-header h2{font-size:15px;font-weight:600;letter-spacing:-.01em;color:var(--text)}.new-chat-btn{padding:6px 12px;background:var(--accent);color:var(--text-inverse);border:none;border-radius:var(--radius-sm);font-size:13px;font-weight:500;font-family:var(--font);cursor:pointer;transition:opacity .15s}.new-chat-btn:hover{opacity:.8}.conversation-list{flex:1;overflow-y:auto;padding:4px 8px}.conversation-list::-webkit-scrollbar{width:4px}.conversation-list::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.conversation-item{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-radius:var(--radius-sm);cursor:pointer;transition:background .1s;margin-bottom:1px}.conversation-item:hover{background:var(--bg-hover)}.conversation-item.active{background:var(--bg-active)}.conversation-title{font-size:13px;font-weight:400;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.delete-btn{background:none;border:none;color:var(--text-tertiary);font-size:16px;cursor:pointer;opacity:0;transition:opacity .1s;padding:0 4px;line-height:1}.conversation-item:hover .delete-btn{opacity:1}.delete-btn:hover{color:#e53e3e}.chat-area{flex:1;display:flex;flex-direction:column;min-width:0;background:var(--bg)}.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px}.empty-state h1{font-size:24px;font-weight:600;letter-spacing:-.02em;color:var(--text)}.empty-state p{font-size:14px;color:var(--text-secondary)}.chat-header{padding:14px 24px;border-bottom:1px solid var(--border-light);display:flex;align-items:center;gap:12px;background:var(--bg-sidebar)}.chat-header h3{font-size:14px;font-weight:500;color:var(--text)}.message-list{flex:1;overflow-y:auto;padding:32px 24px;display:flex;flex-direction:column;gap:24px}.message-list::-webkit-scrollbar{width:6px}.message-list::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.message{display:flex;flex-direction:column;max-width:720px;width:100%;margin:0 auto}.message.user{align-items:flex-end}.message.assistant{align-items:flex-start}.message-content{padding:12px 16px;border-radius:var(--radius-md);line-height:1.7;font-size:14.5px;max-width:85%}.message.user .message-content{background:var(--bg-user-msg);color:var(--text-inverse);border-bottom-right-radius:4px}.message.assistant .message-content{background:var(--bg-assistant-msg);border:1px solid var(--border);border-bottom-left-radius:4px;color:var(--text)}.message-content p{margin:4px 0}.message-content p:first-child{margin-top:0}.message-content p:last-child{margin-bottom:0}.message-content pre{background:#1e1e1e;color:#d4d4d4;padding:14px 16px;border-radius:var(--radius-sm);overflow-x:auto;margin:10px 0;font-size:13px;line-height:1.5}.message-content code{font-family:var(--font-mono);font-size:13px}.message-content p code{background:var(--accent-soft);padding:2px 6px;border-radius:3px;font-size:12.5px;color:var(--text)}.message.user .message-content p code{background:#ffffff26;color:var(--text-inverse)}.message-content ul,.message-content ol{padding-left:20px;margin:6px 0}.message-content li{margin:3px 0}.streaming-text{white-space:pre-wrap}.streaming-cursor{display:inline-block;width:2px;height:16px;background:var(--accent);margin-left:2px;vertical-align:text-bottom;animation:blink 1s step-end infinite}@keyframes blink{0%,50%{opacity:1}51%,to{opacity:0}}.typing-indicator{color:var(--text-tertiary);font-size:13px;letter-spacing:2px;animation:pulse 1.2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:.3}50%{opacity:1}}.message-input-area{padding:16px 24px 20px;display:flex;gap:10px;align-items:flex-end;max-width:768px;width:100%;margin:0 auto}.message-input{flex:1;padding:12px 16px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text);font-size:14.5px;font-family:var(--font);resize:none;min-height:44px;max-height:180px;line-height:1.5;transition:border-color .15s}.message-input:focus{outline:none;border-color:var(--accent)}.message-input::placeholder{color:var(--text-tertiary)}.message-input:disabled{opacity:.5}.send-btn{padding:10px 18px;background:var(--accent);color:var(--text-inverse);border:none;border-radius:var(--radius-sm);font-size:13px;font-weight:500;font-family:var(--font);cursor:pointer;transition:opacity .15s;white-space:nowrap}.send-btn:hover:not(:disabled){opacity:.8}.send-btn:disabled{opacity:.3;cursor:not-allowed}.model-selector{position:relative}.model-selector-btn{padding:5px 10px;background:var(--accent-soft);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);font-size:12px;font-family:var(--font);cursor:pointer;transition:border-color .15s}.model-selector-btn:hover{border-color:var(--accent);color:var(--text)}.model-dropdown{position:absolute;top:calc(100% + 4px);right:0;background:var(--bg-sidebar);border:1px solid var(--border);border-radius:var(--radius-md);min-width:220px;max-height:360px;overflow-y:auto;z-index:100;box-shadow:var(--shadow-md);padding:4px}.model-section-label{padding:8px 10px 4px;font-size:11px;font-weight:600;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.04em}.model-option{display:block;width:100%;text-align:left;padding:8px 10px;background:none;border:none;border-radius:var(--radius-sm);color:var(--text);font-size:13px;font-family:var(--font);cursor:pointer;transition:background .1s}.model-option:hover{background:var(--bg-hover)}.model-option.active{background:var(--bg-active);font-weight:500}.error-banner{display:flex;align-items:center;justify-content:space-between;padding:10px 24px;background:#fef2f2;border-top:1px solid #fecaca}.error-text{font-size:13px;color:#dc2626}.error-dismiss{background:none;border:none;color:#dc2626;cursor:pointer;font-size:14px;padding:2px 6px;border-radius:4px}.error-dismiss:hover{background:#fee2e2}.usage-info{display:flex;gap:12px;max-width:720px;width:100%;margin:4px auto 0;padding-left:16px;font-size:11px;color:var(--text-tertiary)}.sidebar-search{padding:0 8px 8px}.search-input{width:100%;padding:8px 12px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13px;font-family:var(--font);color:var(--text);transition:border-color .15s}.search-input:focus{outline:none;border-color:var(--accent)}.search-input::placeholder{color:var(--text-tertiary)}.empty-list{padding:20px 12px;text-align:center;font-size:13px;color:var(--text-tertiary)}.chat-header-actions{display:flex;align-items:center;gap:8px;margin-left:auto}.system-prompt-btn{padding:5px 10px;background:var(--accent-soft);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);font-size:12px;font-family:var(--font);cursor:pointer;transition:border-color .15s}.system-prompt-btn:hover{border-color:var(--accent);color:var(--text)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000004d;display:flex;align-items:center;justify-content:center;z-index:200;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.modal{background:var(--bg-sidebar);border-radius:var(--radius-md);width:100%;max-width:520px;box-shadow:0 16px 48px #0000001f;overflow:hidden}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border-light)}.modal-header h4{font-size:14px;font-weight:600}.modal-close{background:none;border:none;font-size:20px;color:var(--text-tertiary);cursor:pointer;padding:0 4px;line-height:1}.modal-close:hover{color:var(--text)}.modal-body{padding:20px}.system-prompt-textarea{width:100%;padding:12px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13.5px;font-family:var(--font);color:var(--text);resize:vertical;min-height:120px;line-height:1.5}.system-prompt-textarea:focus{outline:none;border-color:var(--accent)}.system-prompt-textarea::placeholder{color:var(--text-tertiary)}.system-prompt-hint{margin-top:8px;font-size:12px;color:var(--text-tertiary)}.modal-footer{display:flex;justify-content:flex-end;gap:8px;padding:12px 20px;border-top:1px solid var(--border-light)}.btn-primary{padding:7px 14px;background:var(--accent);color:var(--text-inverse);border:none;border-radius:var(--radius-sm);font-size:13px;font-weight:500;font-family:var(--font);cursor:pointer}.btn-primary:hover:not(:disabled){opacity:.8}.btn-primary:disabled{opacity:.4}.btn-secondary{padding:7px 14px;background:none;border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);font-size:13px;font-family:var(--font);cursor:pointer}.btn-secondary:hover{background:var(--bg-hover)}.skill-modal{max-width:640px}.skill-body{display:flex;gap:20px;min-height:300px}.skill-list-section{flex:1;overflow-y:auto;max-height:360px}.skill-list{display:flex;flex-direction:column;gap:4px}.skill-item{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-radius:var(--radius-sm);border:1px solid var(--border-light);transition:background .1s}.skill-item:hover{background:var(--bg-hover)}.skill-item-info{display:flex;flex-direction:column;gap:2px;min-width:0}.skill-name{font-size:13px;font-weight:500;color:var(--text)}.skill-desc{font-size:11px;color:var(--text-tertiary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.skill-item-actions{display:flex;gap:4px;flex-shrink:0}.btn-text{background:none;border:none;font-size:12px;font-family:var(--font);color:var(--text-secondary);cursor:pointer;padding:4px 6px;border-radius:4px}.btn-text:hover{background:var(--bg-active);color:var(--text)}.btn-danger:hover{color:#dc2626}.skill-form-section{flex:1;display:flex;flex-direction:column;gap:8px}.skill-form-section h5{font-size:13px;font-weight:600;margin-bottom:4px}.skill-input{width:100%;padding:8px 10px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13px;font-family:var(--font);color:var(--text)}.skill-input:focus{outline:none;border-color:var(--accent)}.skill-textarea{width:100%;padding:8px 10px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13px;font-family:var(--font);color:var(--text);resize:vertical;min-height:80px;line-height:1.4}.skill-textarea:focus{outline:none;border-color:var(--accent)}.skill-form-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:4px}.rename-input{flex:1;padding:4px 8px;background:var(--bg-input);border:1px solid var(--accent);border-radius:4px;font-size:13px;font-family:var(--font);color:var(--text);outline:none}.copy-btn{position:absolute;top:8px;right:8px;padding:3px 8px;background:var(--bg-input);border:1px solid var(--border);border-radius:4px;font-size:11px;font-family:var(--font);color:var(--text-tertiary);cursor:pointer;opacity:0;transition:opacity .15s}.message-content{position:relative}.message-content:hover .copy-btn{opacity:1}.copy-btn:hover{color:var(--text);border-color:var(--accent)}[data-theme=dark]{--bg: #0d0d0d;--bg-sidebar: #141414;--bg-input: #1a1a1a;--bg-user-msg: #ffffff;--bg-assistant-msg: #141414;--bg-hover: #1e1e1e;--bg-active: #252525;--text: #e5e5e5;--text-secondary: #999999;--text-tertiary: #666666;--text-inverse: #0d0d0d;--border: #2a2a2a;--border-light: #1e1e1e;--accent: #e5e5e5;--accent-soft: #1a1a1a;--shadow-sm: 0 1px 3px rgba(0,0,0,.2);--shadow-md: 0 4px 12px rgba(0,0,0,.3)}[data-theme=dark] .message.user .message-content{background:#e5e5e5;color:#0d0d0d}[data-theme=dark] .error-banner{background:#dc26261a;border-color:#7f1d1d}[data-theme=dark] .message-content p code{background:#252525;color:#e5e5e5}.theme-toggle{background:none;border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);font-size:14px;cursor:pointer;padding:4px 8px;transition:border-color .15s;line-height:1}.theme-toggle:hover{border-color:var(--accent);color:var(--text)}.sidebar-header-actions{display:flex;align-items:center;gap:6px}.skill-mode-selector{position:relative}.skill-mode-btn{padding:5px 10px;background:var(--accent-soft);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);font-size:12px;font-family:var(--font);cursor:pointer;transition:border-color .15s}.skill-mode-btn:hover{border-color:var(--accent);color:var(--text)}.skill-mode-dropdown{position:absolute;top:calc(100% + 4px);right:0;background:var(--bg-sidebar);border:1px solid var(--border);border-radius:var(--radius-md);min-width:240px;max-height:320px;overflow-y:auto;z-index:100;box-shadow:var(--shadow-md);padding:4px}.skill-mode-option{display:flex;flex-direction:column;width:100%;text-align:left;padding:8px 10px;background:none;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:background .1s;gap:2px}.skill-mode-option:hover{background:var(--bg-hover)}.skill-mode-option.active{background:var(--bg-active)}.skill-mode-option-name{font-size:13px;font-family:var(--font);color:var(--text);font-weight:500}.skill-mode-option-desc{font-size:11px;color:var(--text-tertiary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.skill-badge{display:inline-flex;align-items:center;gap:4px;padding:3px 8px;border-radius:var(--radius-sm);font-size:11px;font-family:var(--font);cursor:pointer;position:relative;transition:background .1s}.skill-badge--auto{background:var(--accent-soft);border:1px solid var(--border);color:var(--text-secondary)}.skill-badge--fixed{background:var(--accent-soft);border:1px solid var(--accent);color:var(--text)}.skill-badge-indicator{font-size:10px;font-weight:600;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.03em}.skill-badge-name{font-weight:500}.skill-badge-tooltip{position:absolute;top:calc(100% + 6px);left:50%;transform:translate(-50%);background:var(--bg-user-msg);color:var(--text-inverse);padding:6px 10px;border-radius:var(--radius-sm);font-size:11px;white-space:nowrap;max-width:260px;overflow:hidden;text-overflow:ellipsis;z-index:150;box-shadow:var(--shadow-md);pointer-events:none}.generated-image{margin:10px 0}.generated-image img{max-width:100%;border-radius:var(--radius-md);border:1px solid var(--border)}.tool-executions{max-width:720px;width:100%;margin:0 auto;display:flex;flex-direction:column;gap:6px}.tool-box{border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden}.tool-box--running{border-color:#f59e0b}.tool-box--done{border-color:var(--border)}.tool-box--error{border-color:#dc2626}.tool-box-header{display:flex;align-items:center;gap:8px;width:100%;padding:8px 12px;background:var(--accent-soft);border:none;cursor:pointer;font-family:var(--font);font-size:12px;color:var(--text-secondary);text-align:left}.tool-box-header:hover{background:var(--bg-hover)}.tool-box-indicator{font-size:13px}.tool-box--running .tool-box-indicator{color:#f59e0b;animation:spin 1s linear infinite}.tool-box--done .tool-box-indicator{color:#22c55e}.tool-box--error .tool-box-indicator{color:#dc2626}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.tool-box-name{font-weight:500;color:var(--text);font-family:var(--font-mono);font-size:12px}.tool-box-toggle{margin-left:auto;font-size:10px}.tool-box-detail{padding:8px 12px;border-top:1px solid var(--border-light)}.tool-box-detail pre{font-size:11px;font-family:var(--font-mono);color:var(--text-secondary);margin:0;white-space:pre-wrap}.tool-box-image{padding:8px 12px}.tool-box-image img{max-width:100%;border-radius:var(--radius-sm)}.tool-box-error{padding:8px 12px;font-size:12px;color:#dc2626}.lightbox-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000d9;display:flex;align-items:center;justify-content:center;z-index:300;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);cursor:zoom-out}.lightbox-content{max-width:90vw;max-height:90vh;display:flex;flex-direction:column;align-items:center;gap:12px;cursor:default}.lightbox-content img{max-width:90vw;max-height:80vh;object-fit:contain;border-radius:8px}.lightbox-actions{display:flex;gap:8px}.lightbox-btn{padding:6px 16px;background:#ffffff1a;border:1px solid rgba(255,255,255,.2);border-radius:6px;color:#fff;font-size:13px;font-family:var(--font);cursor:pointer;text-decoration:none;transition:background .15s}.lightbox-btn:hover{background:#fff3}.inline-image{display:block;margin:8px 0;cursor:zoom-in}.inline-image img{max-width:100%;max-height:400px;border-radius:var(--radius-md);border:1px solid var(--border);transition:opacity .15s}.inline-image img:hover{opacity:.9}.tool-spinner{display:inline-block;width:12px;height:12px;border:2px solid var(--border);border-top-color:#f59e0b;border-radius:50%;animation:spin .8s linear infinite}.tool-param{display:flex;gap:8px;padding:3px 0;font-size:12px}.tool-param-key{color:var(--text-tertiary);font-family:var(--font-mono);min-width:60px}.tool-param-value{color:var(--text-secondary);word-break:break-all}.tool-box-label{font-size:12px;color:var(--text)}.tool-box--running .tool-box-label{color:#f59e0b}.tool-box-image{padding:8px;cursor:zoom-in}.tool-box-image img{max-width:100%;max-height:300px;border-radius:var(--radius-sm);object-fit:contain}.img-model-selector{position:relative}.img-model-btn{padding:5px 10px;background:var(--accent-soft);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);font-size:12px;font-family:var(--font);cursor:pointer;transition:border-color .15s}.img-model-btn:hover{border-color:var(--accent);color:var(--text)}.img-model-dropdown{position:absolute;top:calc(100% + 4px);right:0;background:var(--bg-sidebar);border:1px solid var(--border);border-radius:var(--radius-md);min-width:260px;max-height:360px;overflow-y:auto;z-index:100;box-shadow:var(--shadow-md);padding:4px}.img-model-option{display:flex;align-items:center;justify-content:space-between;width:100%;padding:8px 10px;background:none;border:none;border-radius:var(--radius-sm);color:var(--text);font-size:13px;font-family:var(--font);cursor:pointer;text-align:left;transition:background .1s}.img-model-option:hover{background:var(--bg-hover)}.img-model-option.active{background:var(--bg-active);font-weight:500}.img-model-name{flex:1}.img-model-meta{display:flex;gap:6px;align-items:center}.img-model-tag{font-size:10px;padding:1px 5px;border-radius:3px;background:var(--accent-soft);color:var(--text-tertiary)}.img-model-cost{font-size:11px;color:var(--text-tertiary);font-family:var(--font-mono)}.img-model-section{padding:8px 10px 4px;font-size:11px;font-weight:600;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.04em;border-top:1px solid var(--border-light);margin-top:4px}.img-model-section:first-child{border-top:none;margin-top:0}.stop-btn{padding:10px 18px;background:#dc2626;color:#fff;border:none;border-radius:var(--radius-sm);font-size:13px;font-weight:500;font-family:var(--font);cursor:pointer;transition:background .15s;white-space:nowrap}.stop-btn:hover{background:#b91c1c}.error-actions{display:flex;gap:6px;align-items:center}.error-retry{padding:4px 10px;background:none;border:1px solid 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