.app-container{display:flex;flex-direction:column;height:100vh;overflow:hidden}.header{display:flex;flex-direction:column;background-color:var(--bg-primary);border-bottom:1px solid var(--border-color);box-shadow:var(--shadow-sm);z-index:100}.menu-bar{display:flex;align-items:center;height:var(--menu-bar-height);padding:0 8px;background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color);font-size:13px}.menu-bar-left{display:flex;align-items:center;padding-right:16px}.menu-bar-left .app-logo{height:22px;width:auto;margin-right:8px}.menu-bar-left .app-title{font-size:14px;font-weight:700;color:var(--color-primary);letter-spacing:-.3px}.menu-bar-menus{display:flex;align-items:center}.menu-item{position:relative}.menu-label{display:block;padding:6px 12px;cursor:pointer;border-radius:4px;transition:background-color var(--transition-fast);user-select:none}.menu-item.active .menu-label,.menu-label:hover{background-color:var(--bg-tertiary)}.menu-dropdown{display:none;position:absolute;top:100%;left:0;min-width:220px;background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--border-radius);box-shadow:var(--shadow-lg);padding:4px 0;z-index:1000;animation:.15s ease-out menuFadeIn}@keyframes menuFadeIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.menu-item.active .menu-dropdown{display:block}.menu-action{display:flex;align-items:center;justify-content:space-between;width:100%;padding:8px 14px;border:none;background:0 0;color:var(--text-primary);font-size:13px;cursor:pointer;text-align:left;transition:background-color var(--transition-fast)}.menu-action:hover{background-color:var(--bg-tertiary)}.menu-action:disabled{color:var(--text-muted);cursor:not-allowed}.menu-action:disabled:hover{background-color:transparent}.menu-action-label{flex:1}.menu-shortcut{font-size:11px;color:var(--text-muted);margin-left:24px}.shortcut-key-14{font-size:14px}.menu-separator{height:1px;background-color:var(--border-color);margin:4px 0}.menu-submenu-item{display:flex;align-items:center;justify-content:space-between;padding:8px 14px;cursor:pointer;position:relative;transition:background-color var(--transition-fast)}.menu-submenu-item:hover{background-color:var(--bg-tertiary)}.menu-submenu-item .submenu-arrow{width:14px;height:14px;stroke:var(--text-muted);stroke-width:2;fill:none}.menu-submenu{display:none;position:absolute;left:100%;top:0;min-width:180px;max-height:60vh;overflow-y:auto;background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--border-radius);box-shadow:var(--shadow-lg);padding:4px 0;margin-left:2px}.menu-submenu-item:hover>.menu-submenu{display:block;animation:.15s ease-out menuFadeIn}.menu-checkbox{display:flex;align-items:center;gap:10px;padding:8px 14px;cursor:pointer;transition:background-color var(--transition-fast);font-size:13px;color:var(--text-primary)}.menu-checkbox:hover{background-color:var(--bg-tertiary)}.menu-checkbox input[type=checkbox]{display:none}.menu-checkbox .checkmark{width:16px;height:16px;border:2px solid var(--border-color-dark);border-radius:3px;position:relative;flex-shrink:0;transition:all var(--transition-fast)}.menu-checkbox input[type=checkbox]:checked+.checkmark{background-color:var(--color-primary);border-color:var(--color-primary)}.menu-checkbox input[type=checkbox]:checked+.checkmark::after{content:'';position:absolute;left:4px;top:1px;width:5px;height:9px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}.menu-radio{display:flex;align-items:center;gap:10px;padding:8px 14px;cursor:pointer;transition:background-color var(--transition-fast);font-size:13px;color:var(--text-primary)}.menu-radio:hover{background-color:var(--bg-tertiary)}.menu-radio input[type=radio]{display:none}.menu-radio .radiomark{width:16px;height:16px;border:2px solid var(--border-color-dark);border-radius:50%;position:relative;flex-shrink:0;transition:all var(--transition-fast)}.menu-radio input[type=radio]:checked+.radiomark{border-color:var(--color-primary)}.menu-radio input[type=radio]:checked+.radiomark::after{content:'';position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:6px;height:6px;border-radius:50%;background-color:var(--color-primary)}.toolbar{display:flex;align-items:center;min-height:var(--toolbar-height);padding:6px 16px;background-color:var(--bg-primary);z-index:100;position:relative}.toolbar:empty,.toolbar:not(:has(.toolbar-btn:not([style*="display: none"]))){display:none}.toolbar-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);flex-shrink:0;position:absolute;left:16px}.toolbar-center{display:flex;align-items:center;gap:6px;flex-wrap:wrap;justify-content:center;flex:1;margin:0 auto}.toolbar-separator{width:1px;height:24px;background-color:var(--border-color);margin:0 4px}.app-title{font-size:20px;font-weight:700;color:var(--color-primary);letter-spacing:-.5px}.app-subtitle{font-size:13px;color:var(--text-secondary)}.main-content{display:flex;flex:1;overflow:hidden}.panel{display:flex;flex-direction:column;width:var(--panel-width);min-width:var(--panel-width);background-color:var(--bg-primary);border-right:1px solid var(--border-color);transition:width var(--transition-normal)}.panel.collapsed{width:0;min-width:0;border:none;overflow:hidden}.panel-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color)}.panel-title{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary)}.panel-content{flex:1;overflow-y:auto;overflow-x:hidden}.panel-right{border-left:1px solid var(--border-color);border-right:none}.btn-collapse{background:0 0;border:none;width:24px;height:24px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-secondary);border-radius:4px;transition:background-color var(--transition-fast)}.btn-collapse:hover{background-color:var(--bg-tertiary)}.btn-collapse .icon{width:18px;height:18px;stroke:currentColor;stroke-width:2;fill:none;transition:transform var(--transition-fast)}.panel-left.collapsed+.resizer+.main-content .btn-collapse-left .icon,.panel.collapsed~.btn-collapse .icon{transform:rotate(180deg)}.resizer{width:6px;background-color:transparent;cursor:col-resize;transition:background-color var(--transition-fast);flex-shrink:0}.resizer.resizing,.resizer:hover{background-color:var(--color-primary)}.status-bar{display:flex;align-items:center;justify-content:space-between;height:var(--status-bar-height);padding:0 16px;background-color:var(--bg-secondary);border-top:1px solid var(--border-color);font-size:12px;color:var(--text-secondary)}.status-left{display:flex;align-items:center;gap:8px}.status-right{display:flex;align-items:center;gap:16px}.diff-counts{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:12px}.status-item{display:flex;align-items:center;gap:4px}.status-item .icon{width:14px;height:14px;stroke:currentColor;stroke-width:2;fill:none}#tab-lock-overlay{position:fixed;inset:0;z-index:99999;display:flex;align-items:center;justify-content:center;background:var(--bg-primary,#1a1a2e)}#tab-lock-overlay.hidden{display:none}.tab-lock-content{display:flex;flex-direction:column;align-items:center;text-align:center;max-width:420px;padding:40px}.tab-lock-logo{width:72px;height:72px;margin-bottom:16px;filter:drop-shadow(0 4px 12px rgba(96, 165, 250, .3))}.tab-lock-icon{width:40px;height:40px;color:var(--text-tertiary,#888);margin-bottom:20px}.tab-lock-content h2{font-size:22px;font-weight:600;color:var(--text-primary,#e0e0e0);margin:0 0 12px}.tab-lock-content p{font-size:14px;color:var(--text-secondary,#aaa);line-height:1.6;margin:0 0 8px}.tab-lock-hint{font-size:13px;color:var(--color-warning,#eab308);min-height:20px;margin-top:4px;transition:opacity .3s}#btn-tab-lock-retry{margin-top:20px;min-width:120px}.status-privacy{display:inline-flex;align-items:center;gap:4px;cursor:pointer;color:var(--text-muted);font-size:12px;padding:1px 6px;border-radius:4px;transition:color .15s,background .15s}.status-privacy:hover{color:var(--text-secondary);background:var(--bg-tertiary)}.status-privacy .privacy-icon{width:12px;height:12px;flex-shrink:0;color:var(--color-success,#4ade80)}.about-privacy{display:flex;align-items:flex-start;gap:10px;margin-top:16px;padding:12px 14px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;text-align:left}.about-privacy .privacy-icon{width:20px;height:20px;flex-shrink:0;margin-top:2px;color:var(--color-success,#4ade80)}.about-privacy strong{display:block;font-size:12px;color:var(--text-primary);margin-bottom:4px}.about-privacy p{font-size:11px;color:var(--text-secondary);line-height:1.5;margin:0}