:root{--tc-bg-canvas:#fff;--tc-bg-subtle:#f9faf9;--tc-bg-hover:#f0f2f1;--tc-bg-active:#e6ebe8;--tc-border-color:#e4e7e5;--tc-text-primary:#202622;--tc-text-secondary:#525b55;--tc-text-tertiary:#68726b;--tc-accent-primary:#23815a;--tc-accent-hover:#176543;--tc-accent-subtle:#edf7f0;--tc-accent-text:#286243;--tc-danger:#b43838;--tc-danger-subtle:#fff1f1;--tc-sidebar-width:210px;--tc-chat-width:340px;--tc-header-height:50px;--tc-editor-max-width:760px;--tc-radius-sm:4px;--tc-radius-md:6px;--tc-font-sans:-apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif;--tc-font-mono:ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;font-family:var(--tc-font-sans);color:var(--tc-text-primary);font-synthesis:none;-webkit-font-smoothing:antialiased;font-size:14px;line-height:1.5}*,:before,:after{box-sizing:border-box;letter-spacing:0}body{margin:0;overflow:hidden}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer;background:0 0;border:0}button:disabled{cursor:not-allowed;opacity:.4}button,input,textarea,select,a{-webkit-tap-highlight-color:transparent}:focus-visible{outline:2px solid var(--tc-accent-primary);outline-offset:2px}input,textarea,select{min-inline-size:0}a{color:var(--tc-accent-hover)}svg{flex-shrink:0}.workspace-root{background:var(--tc-bg-canvas);block-size:100dvh;min-block-size:0;inline-size:100%;min-inline-size:0;display:flex;position:relative;overflow:hidden}.workspace-sidebar{flex:0 0 var(--tc-sidebar-width);inline-size:var(--tc-sidebar-width);background:var(--tc-bg-subtle);border-right:1px solid var(--tc-border-color);z-index:20;flex-direction:column;min-block-size:0;min-inline-size:0;display:flex}.workspace-main{flex-direction:column;flex:auto;min-block-size:0;min-inline-size:0;display:flex;overflow:hidden}.workspace-chat{flex:0 0 var(--tc-chat-width);inline-size:var(--tc-chat-width);border-left:1px solid var(--tc-border-color);z-index:20;background:#fff;flex-direction:column;min-block-size:0;min-inline-size:0;display:flex}.icon-btn{border-radius:var(--tc-radius-sm);color:var(--tc-text-secondary);flex:none;justify-content:center;align-items:center;padding:0;transition:background-color .12s,color 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var(--tc-border-color);border-radius:var(--tc-radius-sm);background:#fff;width:100%;height:30px;padding:0 7px 0 28px;font-size:12px}.sidebar-content{scrollbar-width:thin;flex:auto;min-block-size:0;min-inline-size:0;padding:7px;overflow-y:auto}.doc-list{flex-direction:column;gap:3px;display:flex}.doc-item{border-radius:var(--tc-radius-sm);align-items:center;min-height:36px;display:flex;position:relative}.doc-item:hover,.doc-item:focus-within{background:var(--tc-bg-hover)}.doc-item.is-selected{background:var(--tc-bg-active)}.doc-select-btn{text-align:left;flex:auto;align-items:center;gap:7px;min-inline-size:0;padding:8px 5px;display:flex}.doc-icon{color:var(--tc-text-tertiary)}.doc-item.is-selected .doc-icon{color:var(--tc-accent-primary)}.doc-title-text{white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:12px;overflow:hidden}.doc-hover-actions{opacity:0;align-items:center;padding-right:3px;display:flex}.doc-item:hover .doc-hover-actions,.doc-item:focus-within .doc-hover-actions{opacity:1}.doc-inline-rename{align-items:center;gap:2px;width:100%;padding:2px;display:flex}.doc-rename-input{border:1px solid var(--tc-accent-primary);border-radius:4px;flex:1;width:100%;height:28px;padding:0 4px;font-size:12px}.doc-inline-confirm{background:var(--tc-danger-subtle);border-radius:4px;align-items:center;gap:2px;width:100%;padding:2px 5px;display:flex}.doc-inline-confirm>span{color:var(--tc-danger);flex:1;font-size:12px}.doc-list-empty{text-align:center;color:var(--tc-text-tertiary);flex-direction:column;align-items:center;gap:12px;padding:30px 8px;font-size:12px;display:flex}.btn-empty-action{border:1px solid var(--tc-border-color);color:var(--tc-text-secondary);background:#fff;border-radius:4px;align-items:center;gap:5px;padding:5px 9px;display:inline-flex}.sidebar-footer{border-top:1px solid var(--tc-border-color);justify-content:space-between;align-items:center;gap:6px;padding:10px;display:flex}.sidebar-user{flex:1;align-items:center;gap:7px;min-inline-size:0;display:flex}.sidebar-user-avatar{background:var(--tc-bg-active);border-radius:4px;flex-shrink:0;place-items:center;width:24px;height:24px;font-size:11px;font-weight:600;display:grid}.sidebar-user-email{color:var(--tc-text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:11px;overflow:hidden}.main-header{min-height:var(--tc-header-height);border-bottom:1px solid var(--tc-border-color);flex-shrink:0;justify-content:space-between;align-items:center;gap:8px;padding:0 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5px;font-size:13px;font-weight:500}.header-title-input:hover{border-color:var(--tc-border-color)}.header-title-input:focus{border-color:var(--tc-accent-primary);outline:none}.save-status-label{color:var(--tc-text-tertiary);flex-shrink:0;font-size:11px}.drawer-toggle-btn,.chat-toggle-btn,.drawer-close-btn,.chat-mobile-close-bar{display:none}.workspace-error-banner{background:var(--tc-danger-subtle);color:var(--tc-danger);overflow-wrap:anywhere;flex-shrink:0;align-items:flex-start;gap:8px;padding:8px 16px;font-size:12px;display:flex}.editor-toolbar-container{border-bottom:1px solid var(--tc-border-color);flex-shrink:0;padding:5px 12px}.editor-toolbar{flex-wrap:wrap;align-items:center;gap:4px;display:flex}.toolbar-group{align-items:center;gap:1px;display:flex}.toolbar-group+.toolbar-group{border-left:1px solid var(--tc-border-color);padding-left:5px}.editor-toolbar select{background:0 0;border:0;border-radius:4px;height:28px;padding:0 6px;font-size:12px}.toolbar-link-form{flex-wrap:wrap;flex-basis:100%;align-items:center;gap:6px;padding:5px 0;font-size:12px;display:flex}.toolbar-link-form input{border:1px solid var(--tc-border-color);border-radius:4px;flex:1;padding:5px}.toolbar-link-form span{color:var(--tc-danger);overflow-wrap:anywhere;flex-basis:100%}.editor-scroll-area{scrollbar-width:thin;flex:1;min-block-size:0;min-inline-size:0;padding:36px 28px;overflow-y:auto}.editor-centered-container{width:100%;max-width:var(--tc-editor-max-width);min-inline-size:0;margin-inline:auto}.editor-blank-selection{min-height:100%;color:var(--tc-text-tertiary);flex-direction:column;justify-content:center;align-items:center;gap:16px;display:flex}.editor-blank-selection h2{color:var(--tc-text-secondary);margin:0;font-size:16px;font-weight:500}.btn-create-primary{background:var(--tc-accent-primary);color:#fff;border-radius:4px;justify-content:center;align-items:center;gap:6px;padding:8px 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var(--tc-border-color);white-space:pre;border-radius:4px;margin:1em 0;padding:12px 14px;overflow-x:auto}.tiptap pre code,.chat-message-content pre code{background:0 0;padding:0;line-height:1.6}.tiptap a{color:var(--tc-accent-primary);text-underline-offset:2px;text-decoration:underline}.chat-panel{width:100%;flex-direction:column;flex:1;min-block-size:0;min-inline-size:0;display:flex}.chat-header{border-bottom:1px solid var(--tc-border-color);flex-direction:column;flex-shrink:0;gap:9px;padding:10px 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6px;font-size:11px;display:inline-flex}.chat-link-content{flex-wrap:wrap;align-items:center;gap:8px;min-width:0;display:flex}.device-code{font:14px var(--tc-font-mono);background:var(--tc-bg-hover);-webkit-user-select:all;user-select:all;padding:4px 7px}.chat-body{scrollbar-width:thin;flex-direction:column;flex:1;gap:12px;min-block-size:0;min-inline-size:0;padding:16px 14px;display:flex;overflow-y:auto}.chat-empty-state{color:var(--tc-text-tertiary);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:7px;padding:24px 12px;font-size:12px;display:flex}.chat-empty-state p{margin:0}.chat-messages{flex-direction:column;gap:22px;min-inline-size:0;display:flex}.chat-message{flex-direction:column;gap:6px;min-inline-size:0;display:flex}.chat-message-role{color:var(--tc-text-tertiary);font-size:11px;font-weight:600}.chat-message-content{overflow-wrap:anywhere;min-inline-size:0;font-size:13px;line-height:1.7}.chat-message-content p{margin:0 0 .7em}.chat-message-content 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linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.chat-composer{border-top:1px solid var(--tc-border-color);flex-shrink:0;padding:10px 12px 14px}.chat-input-container{border:1px solid var(--tc-border-color);border-radius:6px;flex-direction:column;padding:8px;display:flex}.chat-input-container:focus-within{border-color:var(--tc-accent-primary)}.chat-textarea{resize:none;background:0 0;border:0;outline:none;width:100%;min-height:42px;max-height:180px;font-size:13px;line-height:1.6}.chat-textarea::placeholder{color:var(--tc-text-tertiary)}.chat-composer-actions{justify-content:flex-end;gap:6px;margin-top:4px;display:flex}.chat-btn-send{background:var(--tc-text-primary);color:#fff}.chat-btn-send:hover:not(:disabled){background:var(--tc-accent-primary);color:#fff}.auth-screen{background:#fff;justify-content:center;align-items:center;width:100%;min-height:100dvh;padding:24px;display:flex}.auth-content{flex-direction:column;gap:14px;width:100%;max-width:320px;display:flex}.auth-title{margin:0 0 18px;font-size:26px;font-weight:600}.auth-domain-note{color:var(--tc-text-secondary);overflow-wrap:anywhere;margin:0;font-size:12px}.auth-content a{border-radius:4px;justify-content:center;align-items:center;min-height:40px;font-size:13px;text-decoration:none;display:flex}.auth-button-primary{background:var(--tc-text-primary);color:#fff}.auth-button-secondary{border:1px solid var(--tc-border-color);color:var(--tc-text-secondary)}.loading-screen{height:100dvh;color:var(--tc-text-tertiary);place-items:center;font-size:13px;display:grid}.drawer-overlay{z-index:30;background:#141e1840;display:none;position:fixed;inset:0}@media (width<=1000px){.drawer-toggle-btn,.chat-toggle-btn,.drawer-close-btn{display:inline-flex}.drawer-overlay{display:block}.workspace-sidebar{visibility:hidden;z-index:40;width:min(280px,88vw);position:fixed;inset:0 auto 0 0;transform:translate(-100%)}.workspace-chat{visibility:hidden;z-index:40;width:min(360px,92vw);position:fixed;inset:0 0 0 auto;transform:translate(100%)}.workspace-sidebar.is-open,.workspace-chat.is-open{visibility:visible;transform:translate(0)}.chat-mobile-close-bar{border-bottom:1px solid var(--tc-border-color);justify-content:flex-end;padding:6px 10px;display:flex}.editor-scroll-area{padding:28px 24px}.doc-hover-actions{opacity:1}}@media (width<=480px){.main-header{align-items:flex-start;min-height:74px;padding:8px}.main-header-left{flex-wrap:wrap;gap:3px 8px}.brand-name{font-size:14px}.header-divider{display:none}.header-title-container{flex-basis:100%;padding-left:1px}.header-title-input{font-size:12px}.save-status-label{font-size:10px}.editor-toolbar-container{padding:5px 7px}.editor-scroll-area{padding:24px 16px}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition:none!important;animation:none!important}}