:root{--color-primary: #3498db;--color-primary-hover: #2980b9;--color-success: #22c55e;--color-success-hover: #16a34a;--color-warning: #facc15;--color-warning-hover: #eab308;--color-danger: #e74c3c;--color-danger-hover: #c0392b;--color-disabled: #bdc3c7;--color-online: #f0fdf4;--color-online-hover: #dcfce7;--color-offline: #fef2f2;--color-offline-hover: #fee2e2;--color-selected: #e3f2fd;--color-selected-hover: #bbdefb;--color-selected-border: #007bff;--bg-body: #f8fafc;--bg-panel: #ffffff;--bg-header: #f8f9fa;--bg-hover: #f1f5f9;--border-color: #e2e8f0;--border-radius-sm: 6px;--border-radius-md: 8px;--border-radius-lg: 12px;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--sidebar-width: 380px;--toolbar-height: auto;--splitter-size: 6px;--raw-panel-height: 240px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--font-family: -apple-system, 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48px}.main-panel{display:flex;flex-direction:column;padding:var(--spacing-md);padding-top:10px;padding-bottom:var(--spacing-lg);overflow:hidden;gap:var(--spacing-sm)}.toolbar{display:flex;flex-wrap:wrap;gap:6px;padding-bottom:var(--spacing-sm);border-bottom:1px solid var(--border-color)}.toolbar-group{display:flex;gap:var(--spacing-sm)}.toolbar-group--primary{margin-right:var(--spacing-md)}.toolbar-group--secondary{flex:0 0 100%}.toolbar-group--debug{display:flex;align-items:center;gap:var(--spacing-xs);margin-left:auto;flex-wrap:wrap}.toolbar-group__label{font-size:var(--font-size-xs);color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;margin-right:var(--spacing-xs)}.btn{display:inline-flex;align-items:center;gap:var(--spacing-sm);padding:8px 14px;font-size:var(--font-size-base);font-weight:500;border:none;border-radius:var(--border-radius-sm);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap}.btn i{font-size:var(--font-size-base)}.btn:disabled{background-color:var(--color-disabled);color:#fff;cursor:not-allowed;opacity:.7}.btn--primary{background-color:var(--color-primary);color:#fff}.btn--primary:hover:not(:disabled){background-color:var(--color-primary-hover)}.btn--primary.connected{background-color:var(--color-danger)}.btn--primary.connected:hover:not(:disabled){background-color:var(--color-danger-hover)}.btn--primary.connected i{transform:rotate(180deg)}.btn--success{background-color:var(--color-success);color:#fff}.btn--success:hover:not(:disabled){background-color:var(--color-success-hover)}.btn--warning{background-color:var(--color-warning);color:#fff}.btn--warning:hover:not(:disabled){background-color:var(--color-warning-hover)}.btn--outline{background:transparent;color:var(--color-primary);border:1.5px solid var(--color-primary)}.btn--outline i{color:var(--color-primary)}.btn--outline:hover:not(:disabled){background-color:#e0f2ff;color:var(--color-primary-hover);border-color:var(--color-primary-hover)}.btn--outline:hover:not(:disabled) i{color:var(--color-primary-hover)}.btn--outline:disabled{background:#fafafa;color:var(--color-disabled);border-color:var(--color-disabled)}.btn--outline:disabled i{color:var(--color-disabled)}.card-grid-container{flex:1;background:var(--bg-body);border-radius:var(--border-radius-lg);overflow:auto;padding:var(--spacing-md)}.device-card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:var(--spacing-md);align-content:start}.device-card-empty{grid-column:1 / -1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-xl) var(--spacing-md);color:var(--text-muted);font-size:var(--font-size-base)}.device-card-empty i{font-size:48px;opacity:.5}.device-card{background:var(--bg-panel);border-radius:var(--border-radius-lg);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);overflow:hidden;cursor:pointer;transition:all var(--transition-normal)}.device-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.device-card--online{border-left:4px solid var(--color-success)}.device-card--offline{border-left:4px solid var(--color-danger);opacity:.8}.device-card--selected{border-color:var(--color-selected-border);box-shadow:0 0 0 2px var(--color-selected-border),var(--shadow-md)}.device-card--selected:hover{box-shadow:0 0 0 2px var(--color-selected-border),var(--shadow-lg)}.device-card__header{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-header);border-bottom:1px solid 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0;font-size:var(--font-size-xs);letter-spacing:.12em;transition:background var(--transition-fast),color var(--transition-fast);-webkit-user-select:none;user-select:none}.right-panel-toggle:hover{background:var(--bg-hover);color:var(--text-primary)}.right-panel-toggle:focus-visible{outline:2px solid var(--color-primary);outline-offset:-2px}.resize-handle{background:transparent;transition:background var(--transition-fast)}.resize-handle--vertical{cursor:col-resize;width:var(--splitter-size)}.resize-handle--horizontal{cursor:row-resize;height:var(--splitter-size)}.resize-handle:hover{background:#94a3b859}.resize-handle:active,.resize-handle.is-dragging{background:#3498db59}.app-layout:has(.log-panel.collapsed) .resize-handle--vertical,.app-layout.log-collapsed .resize-handle--vertical{display:none}.log-panel{grid-column:2;display:grid;grid-template-rows:var(--raw-panel-height) var(--splitter-size) auto auto 1fr;flex:1;min-height:0;background:var(--bg-panel);transition:width 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4px}.raw-group--tx{border-left-color:#0ea5e9;background:#0ea5e90f;color:var(--text-primary)}.raw-group--rx{border-left-color:#8b5cf6;background:#8b5cf60f;color:var(--text-primary)}.raw-row{display:grid;grid-template-columns:116px 34px 1fr;gap:8px;padding:2px 0;align-items:start}.raw-cell{min-width:0}.raw-cell--time{color:var(--text-muted);font-family:var(--font-mono);white-space:nowrap}.raw-cell--dir{font-weight:600;letter-spacing:.04em;white-space:nowrap}.raw-cell--data{color:var(--text-primary);white-space:pre-wrap;word-break:break-all}.log-panel__header{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-xs) var(--spacing-md);background-color:var(--bg-header);border-bottom:1px solid var(--border-color);min-height:36px}.log-panel__title{font-weight:600;color:var(--text-secondary);font-size:var(--font-size-sm);white-space:nowrap}.log-panel.collapsed .log-panel__title,.log-panel.collapsed .log-panel__toolbar{display:none}.log-panel__toolbar{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);background-color:var(--bg-panel);border-bottom:1px solid var(--border-color)}.log-toolbar__clear{width:32px;height:32px;border:1px solid var(--border-color);background:var(--bg-header);color:var(--text-secondary);cursor:pointer;border-radius:var(--border-radius-sm);display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast)}.log-toolbar__clear:hover{background:var(--color-offline);color:var(--color-danger);border-color:var(--color-danger)}.log-toolbar__clear:focus-visible{outline:2px solid var(--color-danger);outline-offset:2px}.log-toolbar__search{flex:1;display:flex;align-items:center;gap:var(--spacing-sm);padding:6px 10px;background:var(--bg-header);border:1px solid var(--border-color);border-radius:var(--border-radius-sm);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.log-toolbar__search:focus-within{border-color:var(--color-primary);box-shadow:0 0 0 2px #3498db33}.log-toolbar__search i{color:var(--text-muted);font-size:12px}.log-toolbar__search input{flex:1;border:none;background:transparent;font-size:var(--font-size-xs);color:var(--text-primary);outline:none;min-width:0}.log-toolbar__search input::placeholder{color:var(--text-muted)}.log-toolbar__filter{position:relative}.log-filter__toggle{width:32px;height:32px;border:1px solid var(--border-color);background:var(--bg-header);color:var(--text-secondary);cursor:pointer;border-radius:var(--border-radius-sm);display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast);position:relative}.log-filter__toggle:hover{background:var(--bg-hover);color:var(--color-primary);border-color:var(--color-primary)}.log-filter__toggle.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.filter-badge{position:absolute;top:-4px;right:-4px;min-width:16px;height:16px;background:var(--color-danger);color:#fff;font-size:10px;font-weight:600;border-radius:8px;display:none;align-items:center;justify-content:center;padding:0 4px}.filter-badge.visible{display:flex}.log-filter__dropdown{position:absolute;top:calc(100% + 4px);right:0;min-width:140px;background:var(--bg-panel);border:1px solid var(--border-color);border-radius:var(--border-radius-md);box-shadow:var(--shadow-lg);padding:var(--spacing-xs);z-index:100;display:none}.log-filter__dropdown.open{display:block}.filter-option{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-sm);border-radius:var(--border-radius-sm);cursor:pointer;font-size:var(--font-size-xs);color:var(--text-secondary);transition:background-color var(--transition-fast)}.filter-option:hover{background:var(--bg-hover)}.filter-option input[type=checkbox]{width:14px;height:14px;accent-color:var(--color-primary);cursor:pointer}.filter-option i{width:14px;text-align:center}.filter-option i.fa-database{color:var(--color-primary)}.filter-option i.fa-info-circle{color:var(--text-muted)}.filter-option i.fa-check-circle{color:var(--color-success)}.filter-option i.fa-exclamation-triangle{color:var(--color-warning)}.filter-option i.fa-times-circle{color:var(--color-danger)}.log-toolbar__export{width:32px;height:32px;border:1px solid var(--border-color);background:var(--bg-header);color:var(--text-secondary);cursor:pointer;border-radius:var(--border-radius-sm);display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast)}.log-toolbar__export:hover{background:var(--bg-hover);color:var(--color-primary);border-color:var(--color-primary)}.log-toolbar__export:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.log-panel__content{flex:1;overflow-y:auto;overflow-x:hidden;padding:var(--spacing-sm)}.log-panel.collapsed .log-panel__content{display:none}.log-panel__content::-webkit-scrollbar{width:6px}.log-panel__content::-webkit-scrollbar-track{background:transparent}.log-panel__content::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}.log-panel__content::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.log-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-xl);color:var(--text-muted);font-size:var(--font-size-sm)}.log-empty i{font-size:32px;opacity:.5}.log-empty.hidden{display:none}.log-entry{margin-bottom:var(--spacing-xs);border-radius:var(--border-radius-sm);border:1px solid var(--border-color);background:var(--bg-panel);overflow:hidden;transition:box-shadow var(--transition-fast)}.log-entry:hover,.log-entry[open]{box-shadow:var(--shadow-sm)}.log-entry__header{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);cursor:pointer;-webkit-user-select:none;user-select:none;font-size:var(--font-size-xs);list-style:none;transition:background-color var(--transition-fast)}.log-entry__header::-webkit-details-marker{display:none}.log-entry__header:hover{background-color:var(--bg-hover)}.log-entry__header:focus-visible{outline:2px solid var(--color-primary);outline-offset:-2px}.log-entry__icon{width:16px;text-align:center;flex-shrink:0}.log-entry__time{color:var(--text-muted);font-family:var(--font-mono);flex-shrink:0}.log-entry__summary{flex:1;color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.log-entry__chevron{color:var(--border-color);font-size:10px;transition:transform var(--transition-fast);flex-shrink:0}.log-entry[open] .log-entry__chevron{transform:rotate(180deg)}.log-entry__content{padding:var(--spacing-sm) var(--spacing-md);padding-top:0;border-top:1px solid var(--border-color);margin-top:var(--spacing-sm)}.log-entry__content pre{font-family:var(--font-mono);font-size:var(--font-size-xs);line-height:1.5;color:var(--text-secondary);white-space:pre-wrap;word-break:break-all;margin:0;background:var(--bg-header);padding:var(--spacing-sm);border-radius:var(--border-radius-sm);max-height:200px;overflow:auto}.log-entry--tx{border-left:3px solid #0ea5e9}.log-entry--tx 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