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80px;gap:8px;position:relative;flex-shrink:0;-webkit-app-region:drag}.drag-region{-webkit-app-region:drag}.no-drag{-webkit-app-region:no-drag}.topbar-left{display:flex;align-items:center;gap:8px;min-width:120px}.topbar-app-name{font-size:12px;font-weight:500;color:var(--text-3);letter-spacing:.01em}.topbar-center{flex:1;display:flex;justify-content:center;align-items:center}.topbar-name-btn{font-size:13.5px;font-weight:500;color:var(--text);padding:4px 10px;border-radius:var(--radius-sm);transition:background .15s;display:flex;align-items:center;gap:6px}.topbar-name-btn:hover{background:var(--bg)}.topbar-dirty{color:var(--accent);font-size:18px;line-height:1;margin-top:-2px}.topbar-name-input{font-size:13.5px;font-weight:500;color:var(--text);border:1.5px solid var(--accent);border-radius:var(--radius-sm);padding:3px 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var(--border);border-radius:var(--radius);box-shadow:var(--shadow-md);min-width:180px;padding:4px;z-index:200}.topbar-dropdown button{display:block;width:100%;text-align:left;padding:7px 10px;font-size:12.5px;color:var(--text-2);border-radius:var(--radius-sm);transition:background .1s}.topbar-dropdown button:hover{background:var(--bg);color:var(--text)}.dropdown-divider{height:1px;background:var(--border);margin:3px 0}.lib-panel{width:var(--lib-w);background:var(--panel-bg-2);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden;flex-shrink:0}.lib-header{display:flex;align-items:center;justify-content:space-between;padding:14px 14px 10px;flex-shrink:0}.lib-title{font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--text-3)}.lib-new-btn{display:flex;align-items:center;gap:4px;font-size:12px;font-weight:500;color:var(--accent);padding:3px 8px;border-radius:var(--radius-sm);transition:background 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8px;font-size:12px;color:var(--text-4)}.center-col{flex:1;display:flex;flex-direction:column;overflow:hidden;background:var(--bg)}.preview-pane{flex:1;display:flex;flex-direction:column;overflow:hidden}.preview-empty{flex:1;display:flex;align-items:center;justify-content:center;background:var(--bg)}.preview-empty-inner{text-align:center;color:var(--text-3)}.preview-empty-inner p{margin-top:10px;font-size:13px}.preview-empty-sub{font-size:12px;color:var(--text-4);margin-top:4px}.preview-frame-wrap{flex:1;display:flex;flex-direction:column;padding:16px;overflow:hidden}.preview-chrome{flex:1;background:#fff;border-radius:10px;box-shadow:var(--shadow-md);overflow:hidden;display:flex;flex-direction:column;border:1px solid var(--border)}.preview-chrome-bar{height:36px;background:#f3f3f3;border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 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var(--border);border-radius:var(--radius-sm);font-size:12.5px;color:var(--text);background:#fff;outline:none;transition:border-color .15s,box-shadow .15s}.ef-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #2563eb14}.ef-input::placeholder{color:var(--text-4)}.ef-textarea{width:100%;padding:7px 10px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:12px;color:var(--text);background:#fff;outline:none;resize:vertical;line-height:1.6;font-family:var(--font);transition:border-color .15s,box-shadow .15s}.ef-textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px #2563eb14}.ef-textarea::placeholder{color:var(--text-4)}.ef-url-wrap{position:relative}.ef-url-icon{position:absolute;left:9px;top:50%;transform:translateY(-50%);pointer-events:none}.ef-input--url{padding-left:28px}.ef-image-row{display:flex;align-items:flex-start;gap:8px}.ef-thumb-wrap{width:48px;height:36px;flex-shrink:0;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--border);background:var(--bg)}.ef-thumb{width:100%;height:100%;object-fit:cover}.ef-thumb-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:var(--bg)}.ef-input--image-url{flex:1;font-size:11.5px}.ef-empty{flex:1;display:flex;align-items:center;justify-content:center;padding:20px}.ef-empty-inner{text-align:center}.ef-empty-icon{font-size:28px;margin-bottom:10px}.ef-empty-title{font-size:13.5px;font-weight:500;color:var(--text);margin-bottom:6px}.ef-empty-sub{font-size:12px;color:var(--text-3);line-height:1.6}.ef-empty-btn{margin-top:14px;background:var(--accent);color:#fff;padding:7px 16px;border-radius:var(--radius-sm);font-size:12.5px;font-weight:500;transition:background 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var(--border);border-radius:var(--radius);margin-bottom:10px;text-align:left;transition:border-color .15s,box-shadow .15s;background:#fff}.ntm-card:hover{border-color:var(--accent);box-shadow:0 0 0 3px #2563eb14}.ntm-card-icon{font-size:24px;flex-shrink:0}.ntm-card-info{flex:1}.ntm-card-name{font-size:13.5px;font-weight:500;color:var(--text);margin-bottom:3px}.ntm-card-desc{font-size:12px;color:var(--text-3);line-height:1.5}.ntm-card-cat{display:inline-block;margin-top:6px;font-size:10.5px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--accent);background:var(--accent-bg);padding:2px 7px;border-radius:20px}.ntm-card-arrow{color:var(--text-4);flex-shrink:0}.ntm-footer{padding:12px 20px 16px;border-top:1px solid 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.15s;margin-bottom:8px}.lib-dialog-input:focus{border-color:var(--accent)}.lib-dialog-err{font-size:12px;color:var(--danger);margin-bottom:8px}.lib-dialog-btns{display:flex;gap:8px;justify-content:flex-end;margin-top:6px}.lib-dialog-cancel{padding:7px 14px;font-size:13px;color:var(--text-2);background:var(--bg);border-radius:var(--radius-sm);border:1px solid var(--border);font-family:var(--font);transition:background .1s}.lib-dialog-cancel:hover{background:var(--border)}.lib-dialog-ok{padding:7px 14px;font-size:13px;color:#fff;background:var(--accent);border-radius:var(--radius-sm);font-family:var(--font);font-weight:500;transition:background .12s}.lib-dialog-ok:hover{background:var(--accent-hover)}.lib-dialog-danger{padding:7px 14px;font-size:13px;color:#fff;background:var(--danger);border-radius:var(--radius-sm);font-family:var(--font);font-weight:500;transition:background 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