.sidebar{width:320px;flex:0 0 auto;min-width:240px;max-width:420px;height:100%;display:flex;flex-direction:column;min-height:0;background:var(--color-bg-elevated);border-right:1px solid var(--color-border)}.sidebar--collapsed{width:40px;min-width:40px}.sidebar-header{min-height:var(--header-height);padding:var(--spacing-xs) var(--spacing-sm);display:flex;align-items:center;gap:var(--spacing-xs);border-bottom:1px solid var(--color-border);background:var(--color-bg-secondary)}.sidebar--collapsed .sidebar-header{padding:var(--spacing-xs);justify-content:center}.sidebar-collapse-btn{flex:0 0 auto;width:24px;height:24px;padding:0;display:inline-flex;align-items:center;justify-content:center;line-height:1}.sidebar-header-actions{flex:1;min-width:0;display:flex;align-items:center;gap:var(--spacing-xs)}.sidebar-body{flex:1;min-height:0;display:flex;flex-direction:column;overflow:hidden}.sidebar-list-controls{padding:var(--spacing-sm);display:flex;gap:var(--spacing-xs);align-items:center;border-bottom:1px solid var(--color-border)}.sidebar-search{flex:1;min-width:0}.sidebar-current{padding:var(--spacing-sm);border-bottom:1px solid var(--color-border);display:grid;gap:var(--spacing-xs)}.sidebar-label{font-size:var(--font-size-sm);color:var(--color-text-secondary)}.sidebar-current-row{display:flex;gap:var(--spacing-xs);align-items:center}.sidebar-input{flex:1;min-width:0}.sidebar-section{border-bottom:1px solid var(--color-border)}.sidebar-summary{padding:var(--spacing-sm);cursor:pointer;user-select:none;color:var(--color-text-secondary);font-size:var(--font-size-sm)}.sidebar-summary::-webkit-details-marker{display:none}.sidebar-import{padding:var(--spacing-sm);display:grid;gap:var(--spacing-sm)}.sidebar-import-row{display:flex;gap:var(--spacing-xs);align-items:center;flex-wrap:wrap}.sidebar-textarea{width:100%;min-width:0;min-height:96px;resize:vertical;font-family:var(--font-mono);font-size:var(--font-size-sm)}.message-list{flex:1;min-height:0;overflow-y:auto}.message-empty{padding:var(--spacing-sm);color:var(--color-text-tertiary);font-size:var(--font-size-sm)}.message-row,.message-class-row{display:flex;align-items:center;gap:var(--spacing-xs);padding:4px var(--spacing-sm);border-bottom:1px solid var(--color-border);cursor:pointer}.message-row:hover,.message-class-row:hover,.message-row--current{background:var(--color-bg-secondary)}.message-caret{padding:4px 8px;font-family:var(--font-mono)}.message-indent{flex:0 0 auto}.message-checkbox{margin:0}.message-class-title,.message-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.message-class-title{font-family:var(--font-mono);color:var(--color-text-secondary)}.message-name{color:var(--color-text-primary)}.message-bytes{flex:0 0 auto;font-family:var(--font-mono);font-size:var(--font-size-xs);color:var(--color-text-tertiary)}.message-rename-input{min-width:0;width:100%;padding:4px 6px;font-size:var(--font-size-sm)}.message-rename-btn{padding:4px 8px;font-family:var(--font-mono);opacity:0;transition:opacity .12s ease}.message-row:hover .message-rename-btn,.message-class-row:hover .message-rename-btn,.message-row:focus-within .message-rename-btn,.message-class-row:focus-within .message-rename-btn{opacity:1}