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transparent;border-bottom:1px solid transparent;border-radius:6px 6px 0 0;cursor:pointer;font-size:13px;font-weight:400;color:#64748b;max-width:200px;transition:all .15s ease}.window-tabs-bar-internal .window-tab-item:hover{background:#ffffff80;color:#475569}.window-tabs-bar-internal .window-tab-item.active{background:linear-gradient(180deg,#fff,#f8fafc);border:1px solid #cbd5e1;border-bottom:1px solid #fff;font-weight:600;color:#1e40af;margin-bottom:-1px}.window-tabs-bar-internal .window-tab-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.window-tabs-bar-internal .window-tab-close-btn{background:none;border:none;padding:2px 4px;cursor:pointer;color:#94a3b8;font-size:16px;line-height:1;border-radius:4px;display:flex;align-items:center;justify-content:center;transition:all .15s ease}.window-tabs-bar-internal .window-tab-close-btn:hover{background:#fee2e2;color:#dc2626}.single-window-header{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background:linear-gradient(180deg,#f1f5f9,#e2e8f0);border-bottom:1px solid #cbd5e1;min-height:36px;flex-shrink:0}.single-window-title{font-size:14px;font-weight:600;color:#1e293b;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.single-window-close{background:none;border:none;padding:4px 8px;cursor:pointer;color:#64748b;font-size:18px;line-height:1;border-radius:4px;transition:all .15s ease}.single-window-close:hover{background:#fee2e2;color:#dc2626}