[data-design=next] .kb-legacy-skin{--color-bg: var(--bg);--color-background: var(--bg);--color-surface: var(--surface);--color-surface-hover: color-mix(in srgb, var(--text) 7%, var(--surface));--color-surface-active: var(--active);--color-error: var(--danger);--color-border: var(--border);--color-text: var(--text);--color-text-muted: var(--text-muted);--color-text-secondary: var(--text-muted);--color-primary: var(--accent);--color-primary-hover: var(--accent-hover);--color-text-on-primary: var(--accent-fg);--color-success: var(--success);--color-success-soft: var(--success);--color-success-bg: var(--success-subtle);--color-warning: var(--warning);--color-warning-soft: var(--warning);--color-warning-bg: var(--warning-subtle);--color-danger: var(--danger);--color-danger-soft: var(--danger);--color-danger-bg: var(--danger-subtle);--color-button-secondary-bg: var(--surface-raised);--color-button-secondary-border: var(--border-strong);--color-terminal-bg: #0a0e1a;--color-terminal-bg-overlay: rgba(10, 14, 26, .92);--color-terminal-inset: rgba(0, 0, 0, .3);--color-terminal-inset-subtle: rgba(0, 0, 0, .2);--color-terminal-border: #334155;--color-terminal-text: #f1f5f9;--color-terminal-text-muted: #94a3b8;--color-terminal-info: #4dabf7;--color-terminal-primary: #b197fc;--color-terminal-success: #22c55e;--color-terminal-danger: #ff6b6b;--color-terminal-warning: #f59e0b}[data-design=next] .kb-legacy-skin .btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-1-5);padding:var(--space-2) var(--space-4);border-radius:var(--radius-md);border:var(--border-width) solid transparent;background:transparent;color:var(--text);font-family:inherit;font-size:var(--text-sm);font-weight:var(--fw-medium);line-height:var(--leading-tight);white-space:nowrap;text-decoration:none;cursor:pointer;transition:background var(--dur-fast) var(--ease-standard),border-color var(--dur-fast) var(--ease-standard),color var(--dur-fast) var(--ease-standard)}[data-design=next] .kb-legacy-skin .btn:disabled{opacity:.5;cursor:not-allowed}[data-design=next] .kb-legacy-skin .btn:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}[data-design=next] .kb-legacy-skin .btn-primary{background:var(--accent);border-color:var(--accent);color:var(--accent-fg)}[data-design=next] .kb-legacy-skin .btn-primary:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover)}[data-design=next] .kb-legacy-skin .btn-secondary{background:var(--surface-raised);border-color:var(--border-strong);color:var(--text)}[data-design=next] .kb-legacy-skin .btn-secondary:hover:not(:disabled){background:var(--hover)}[data-design=next] .kb-legacy-skin .btn-danger{background:transparent;border-color:var(--danger);color:var(--danger)}[data-design=next] .kb-legacy-skin .btn-danger:hover:not(:disabled){background:var(--danger-subtle)}[data-design=next] .kb-legacy-skin .btn-warning{background:transparent;border-color:var(--warning);color:var(--warning)}[data-design=next] .kb-legacy-skin .btn-warning:hover:not(:disabled){background:var(--warning-subtle)}[data-design=next] .kb-legacy-skin .btn-sm{padding:var(--space-1) var(--space-2);font-size:var(--text-xs)}[data-design=next] .kb-legacy-skin .empty-with-skeleton{position:relative;display:flex;flex-direction:column}[data-design=next] .kb-legacy-skin .empty-cta-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;pointer-events:none}[data-design=next] .kb-legacy-skin .empty{color:var(--text-muted);text-align:center;padding:var(--space-3) var(--space-6);background:var(--surface);border:var(--border-width) solid var(--border);border-radius:var(--radius-md);pointer-events:auto}[data-design=next] .kb-legacy-skin .skeleton{background:linear-gradient(90deg,var(--surface) 25%,color-mix(in srgb,var(--text) 8%,var(--surface)) 50%,var(--surface) 75%);background-size:200% 100%;animation:kb-legacy-shimmer 1.5s infinite;border-radius:var(--radius-sm)}[data-design=next] .kb-legacy-skin .skeleton-line{height:.875rem;margin-bottom:var(--space-2)}[data-design=next] .kb-legacy-skin .skeleton-line:last-child{width:60%}@keyframes kb-legacy-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}[data-design=next] .kb-legacy-skin .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}[data-design=next] .kb-legacy-skin .message.user .message-bubble{color:var(--accent-fg)}[data-design=next] .kb-legacy-skin .message.user .markdown a{color:var(--accent-fg);text-decoration:underline}[data-design=next] .kb-legacy-skin .stdin-toggle.active{color:var(--accent-fg)}[data-design=next] .kb-legacy-skin .attachment-file-input{display:none}[data-design=next] .kb-legacy-skin .attachment-error{margin:var(--space-1) 0 var(--space-2);color:var(--danger);font-size:var(--text-xs)}[data-design=next] .kb-legacy-skin .attachment-grid{display:flex;flex-wrap:wrap;gap:var(--space-3);margin-top:var(--space-2)}[data-design=next] .kb-legacy-skin .attachment-item{display:flex;flex-direction:column;gap:var(--space-1);max-width:160px}[data-design=next] .kb-legacy-skin .attachment-preview,[data-design=next] .kb-legacy-skin .attachment-doc-preview{width:160px;height:120px;border:var(--border-width) solid var(--border);border-radius:var(--radius-sm);background:var(--surface-sunken)}[data-design=next] .kb-legacy-skin .attachment-preview{object-fit:cover}[data-design=next] .kb-legacy-skin .attachment-doc-preview{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-1);padding:var(--space-2);color:var(--text-muted);font-size:var(--text-2xs);text-align:center;text-decoration:none;cursor:pointer}[data-design=next] .kb-legacy-skin .attachment-doc-preview:hover{background:var(--hover);border-color:var(--border-strong)}[data-design=next] .kb-legacy-skin .attachment-doc-preview--loading{opacity:.6;cursor:wait}[data-design=next] .kb-legacy-skin .attachment-doc-preview--loading:hover{background:var(--surface-sunken);border-color:var(--border)}[data-design=next] .kb-legacy-skin .attachment-doc-type,[data-design=next] .kb-legacy-skin .attachment-doc-size,[data-design=next] .kb-legacy-skin .attachment-doc-status{font-size:var(--text-2xs);color:var(--text-subtle);max-width:100%;word-break:break-all}[data-design=next] .kb-legacy-skin .attachment-meta{display:flex;align-items:center;justify-content:space-between;gap:var(--space-1)}[data-design=next] .kb-legacy-skin .attachment-filename{max-width:120px;overflow:hidden;color:var(--text-muted);font-size:var(--text-2xs);text-overflow:ellipsis;white-space:nowrap}[data-design=next] .kb-legacy-skin .btn-attachment-delete{flex-shrink:0;padding:0;border:none;background:none;color:var(--text-subtle);font-size:var(--text-xs);line-height:var(--leading-none);cursor:pointer}[data-design=next] .kb-legacy-skin .btn-attachment-delete:hover{color:var(--danger)}[data-design=next] .kb-legacy-skin .chat-stop-btn{align-self:flex-end;flex-shrink:0;padding:var(--space-2) var(--space-4);border:var(--border-width) solid var(--border-strong);border-radius:var(--radius-md);background:transparent;color:var(--text-muted);font-family:inherit;font-size:var(--text-sm);white-space:nowrap;cursor:pointer;transition:background var(--dur-fast) var(--ease-standard),border-color var(--dur-fast) var(--ease-standard),color var(--dur-fast) var(--ease-standard)}[data-design=next] .kb-legacy-skin .chat-stop-btn:hover:not(:disabled){border-color:var(--danger);background:var(--danger-subtle);color:var(--danger)}[data-design=next] .kb-legacy-skin .chat-stop-btn:disabled{opacity:.5;cursor:not-allowed}[data-design=next] .kb-legacy-skin .chat-cancelled-note{align-self:center;padding:var(--space-1) var(--space-3);border:var(--border-width) solid var(--border);border-radius:var(--radius-full);background:var(--surface);color:var(--text-muted);font-size:var(--text-2xs);text-align:center}