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infinite;flex-shrink:0}.part-retry-fatal .part-retry-icon{color:var(--part-error);animation:none}.copilot-turn:not(.copilot-turn-status-running) .part-retry-icon{animation:none}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.part-retry-label{font-size:var(--part-font-size-xs);font-weight:500;color:var(--part-warning)}.part-retry-fatal .part-retry-label{color:var(--part-error)}.part-retry-attempt{font-family:var(--part-font-mono)}.part-retry-attempt,.part-retry-delay{font-size:var(--part-font-size-xs);color:var(--part-text-weaker)}.part-retry-error-inline{display:flex;align-items:center;gap:6px;flex:1;min-width:0}.part-retry-error-message{font-size:var(--part-font-size-xs);color:var(--part-text-weak);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.part-retry-error-status{font-size:var(--part-font-size-xs);font-family:var(--part-font-mono);color:var(--part-text-weaker);flex-shrink:0}.part-retry-body{margin:0;padding:10px 12px;background:var(--part-bg-base);font-family:var(--part-font-mono);font-size:11px;color:var(--part-text-weak);white-space:pre-wrap;word-break:break-word;max-height:200px;overflow-y:auto}.part-file{border:1px solid var(--part-border-base);border-radius:var(--part-radius-md);overflow:hidden;background:var(--part-bg-inset)}.part-file-image{display:inline-flex;flex-direction:column;max-width:300px}.part-file-image-button{position:relative;padding:0;border:none;background:transparent;cursor:pointer;display:block}.part-file-image-preview{display:block;max-width:100%;max-height:200px;-o-object-fit:contain;object-fit:contain}.part-file-image-overlay,.part-file-image-preview{border-radius:var(--part-radius-md) var(--part-radius-md) 0 0}.part-file-image-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.4);opacity:0;transition:opacity var(--part-transition-fast)}.part-file-image-button:hover .part-file-image-overlay{opacity:1}.part-file-image-icon{width:24px;height:24px;color:#fff}.part-file-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:6px 10px;background:var(--part-bg-base);border-top:1px solid var(--part-border-weak)}.part-file-card{display:flex;align-items:center;gap:12px;padding:10px 12px}.part-file-icon{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--part-bg-raised);border-radius:var(--part-radius-sm);flex-shrink:0}.part-file-icon svg{width:20px;height:20px;color:var(--part-text-weak)}.part-file-info{flex:1;min-width:0}.part-file-name{font-size:var(--part-font-size-sm);font-weight:500;color:var(--part-text-base);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.part-file-details{display:flex;align-items:center;gap:8px;margin-top:2px}.part-file-type{font-family:var(--part-font-mono);color:var(--part-text-weaker)}.part-file-size,.part-file-type{font-size:var(--part-font-size-xs)}.part-file-size{color:var(--part-text-weak)}.part-file-actions{display:flex;gap:4px;flex-shrink:0}.part-file-btn{width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:transparent;border:1px solid var(--part-border-base);border-radius:var(--part-radius-sm);color:var(--part-text-weak);cursor:pointer;transition:all var(--part-transition-fast)}.part-file-btn:hover{background:var(--part-bg-raised);color:var(--part-text-base);border-color:var(--part-text-weaker)}.part-file-btn svg{width:14px;height:14px}.image-preview-overlay{position:fixed;inset:0;z-index:9999;display:flex;flex-direction:column;background:rgba(0,0,0,.9)}.image-preview-toolbar{gap:8px;padding:12px;background:rgba(0,0,0,.6);border-bottom:1px solid hsla(0,0%,100%,.1);-webkit-user-select:none;-moz-user-select:none;user-select:none}.image-preview-btn,.image-preview-toolbar{display:flex;align-items:center;justify-content:center}.image-preview-btn{width:36px;height:36px;background:hsla(0,0%,100%,.1);border:none;border-radius:8px;color:#fff;cursor:pointer;transition:background-color .15s ease}.image-preview-btn:hover:not(:disabled){background:hsla(0,0%,100%,.2)}.image-preview-btn:disabled{opacity:.4;cursor:not-allowed}.image-preview-btn svg{width:20px;height:20px}.image-preview-close:hover{background:rgba(239,68,68,.6)}.image-preview-scale{min-width:50px;text-align:center;font-size:13px;font-family:var(--part-font-mono);color:hsla(0,0%,100%,.8)}.image-preview-divider{width:1px;height:20px;background:hsla(0,0%,100%,.2);margin:0 4px}.image-preview-container{flex:1;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:20px}.image-preview-image{max-width:100%;max-height:100%;-o-object-fit:contain;object-fit:contain;transition:transform .1s ease;-webkit-user-select:none;-moz-user-select:none;user-select:none}.patch-part{display:inline-flex;flex-direction:column;background:var(--part-bg-base);border-radius:var(--part-radius-sm);border:1px solid var(--part-border-weak);overflow:hidden}.patch-part,.patch-part-trigger{font-size:var(--part-font-size-xs);color:var(--part-text-weak)}.patch-part-trigger{display:flex;align-items:center;gap:8px;padding:4px 10px;background:transparent;border:none;cursor:pointer;font-family:var(--part-font-mono);transition:background-color var(--part-transition-fast)}.patch-part-trigger:hover:not(:disabled){background:var(--part-bg-raised)}.patch-part-trigger:disabled{cursor:default}.patch-part-stats{gap:6px}.patch-part-stats,.patch-stat{display:flex;align-items:center}.patch-stat{gap:2px;font-weight:500}.patch-stat-add{color:var(--part-success)}.patch-stat-del{color:var(--part-error)}.patch-stat-mod{color:var(--part-warning)}.patch-summary{font-family:var(--part-font-mono);color:var(--part-accent-base)}.patch-part-chevron{display:flex;align-items:center;justify-content:center;color:var(--part-text-weaker);transition:transform var(--part-transition-fast)}.patch-part-details{border-top:1px solid var(--part-border-weak);padding:8px 10px;background:var(--part-bg-inset)}.patch-part-files{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}.patch-part-file{display:flex;align-items:center;gap:6px}.patch-part-file-id{font-family:var(--part-font-mono);font-size:11px;color:var(--part-text-weak);padding:2px 6px;background:var(--part-bg-raised);border-radius:4px}.revert-controls{width:100%;background:rgba(245,158,11,.08);border-bottom:1px solid rgba(245,158,11,.2);padding:8px 16px}.revert-controls-content{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.revert-controls-icon{display:flex;align-items:center;justify-content:center;color:var(--part-warning)}.revert-controls-info{font-size:var(--part-font-size-sm);color:var(--part-text-base);flex:1;min-width:0}.revert-controls-part{color:var(--part-text-weak);font-family:var(--part-font-mono);font-size:var(--part-font-size-xs)}.revert-controls-error{display:flex;align-items:center;gap:4px;font-size:var(--part-font-size-xs);color:var(--part-error)}.revert-controls-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}.revert-controls-btn{display:flex;align-items:center;gap:4px;padding:4px 10px;font-size:var(--part-font-size-xs);font-weight:500;border-radius:var(--part-radius-sm);border:1px solid transparent;cursor:pointer;transition:all var(--part-transition-fast)}.revert-controls-btn:disabled{opacity:.5;cursor:not-allowed}.revert-controls-btn-cancel{background:transparent;border-color:var(--part-border-base);color:var(--part-text-weak)}.revert-controls-btn-cancel:hover:not(:disabled){background:var(--part-bg-raised);color:var(--part-text-base)}.revert-controls-btn-confirm{background:var(--part-warning);border-color:var(--part-warning);color:#fff}.revert-controls-btn-confirm:hover:not(:disabled){filter:brightness(1.1)}.part-agent-switched{display:flex;align-items:center;width:100%;gap:12px;padding:12px 0}.part-agent-switched-line{flex:1;height:1px;background:linear-gradient(90deg,transparent 0,var(--part-border-base) 20%,var(--part-border-base) 80%,transparent 100%)}.part-agent-switched-badge{display:flex;align-items:center;gap:6px;padding:4px 12px;background:var(--part-bg-raised);border:1px solid var(--part-border-base);border-radius:999px;font-size:var(--part-font-size-xs);color:var(--part-text-weak);white-space:nowrap;flex-shrink:0}.part-agent-switched-icon{width:12px;height:12px;color:var(--part-accent-base)}.part-agent-switched-from{font-weight:500;color:var(--part-text-weaker)}.part-agent-switched-arrow{width:12px;height:12px;color:var(--part-text-weaker)}.part-agent-switched-to{font-weight:600}.part-agent-switched-reason{color:var(--part-text-weaker);font-weight:400;margin-left:4px}.agent-indicator{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;background:color-mix(in srgb,var(--agent-color,#6366f1) 10%,transparent);border:1px solid color-mix(in srgb,var(--agent-color,#6366f1) 30%,transparent);border-radius:999px;font-size:var(--part-font-size-xs);font-weight:500;color:var(--agent-color,#6366f1);white-space:nowrap}.agent-indicator-icon{width:12px;height:12px}.agent-indicator-name{text-transform:capitalize}.part-text-body{position:relative}.part-text-copy-btn{position:absolute;top:8px;right:8px;width:28px;height:28px;padding:0;border:none;border-radius:4px;background:var(--part-bg-raised);color:var(--part-text-weaker);cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .15s ease,background .15s ease,color .15s ease}.part-text-body:hover .part-text-copy-btn{opacity:1}.part-text-copy-btn:hover{background:var(--part-bg-overlay);color:var(--part-text-base)}.copilot-todo-part{padding:8px 12px;background:#fff;border:1px solid var(--copilot-border-color,#e9ecef);border-radius:10px;margin:6px 0;box-shadow:0 1px 3px rgba(0,0,0,.06)}.copilot-todo-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;padding-bottom:6px;border-bottom:1px solid var(--copilot-border-color,#e9ecef)}.copilot-todo-title{font-weight:600;font-size:12px;letter-spacing:.04em;text-transform:uppercase;color:var(--copilot-text-secondary,#6c757d)}.copilot-todo-score{font-size:12px;font-weight:500;color:var(--copilot-text-muted,#adb5bd)}.copilot-todo-timeline{display:flex;flex-direction:column}.copilot-todo-item{display:flex;align-items:flex-start;gap:8px;min-height:20px}.copilot-todo-timeline-left{display:flex;flex-direction:column;align-items:center;flex-shrink:0;width:14px;padding-top:5px}.copilot-todo-line{width:1px;flex:1;min-height:8px;background:var(--copilot-border-color,#e9ecef);margin-top:3px;margin-bottom:0}.copilot-todo-dot{display:block;width:6px;height:6px;border-radius:50%;flex-shrink:0}.copilot-todo-dot-completed{background:var(--copilot-color-success,#198754)}.copilot-todo-dot-in-progress{background:var(--copilot-color-primary,#0d6efd);animation:copilot-todo-pulse 1.5s ease-in-out infinite}.copilot-todo-dot-cancelled-x{display:flex;align-items:center;justify-content:center;width:10px;height:10px;font-size:8px;line-height:1;color:var(--copilot-color-danger,#dc3545);margin-top:-2px}.copilot-todo-dot-cancelled{background:var(--copilot-color-danger,#dc3545)}.copilot-todo-dot-blocked,.copilot-todo-dot-pending{background:transparent;border:1.5px solid var(--copilot-text-muted,#adb5bd)}.copilot-todo-dot-blocked{opacity:.4}.copilot-todo-body{flex:1;padding-bottom:6px;padding-top:2px}.copilot-todo-item-last .copilot-todo-body{padding-bottom:0}.copilot-todo-row{display:flex;align-items:center;gap:5px}.copilot-todo-content{flex:1;font-size:12px;line-height:1.45;color:var(--copilot-text-primary,#212529)}.copilot-todo-status-completed .copilot-todo-content{color:var(--copilot-text-muted,#adb5bd)}.copilot-todo-status-in_progress .copilot-todo-content{font-weight:500;color:var(--copilot-text-primary,#212529)}.copilot-todo-blocked{opacity:.5}.copilot-todo-priority{display:block;flex-shrink:0;width:5px;height:5px;border-radius:50%}.copilot-todo-priority-high{background:var(--copilot-color-danger,#dc3545)}.copilot-todo-priority-low{background:var(--copilot-text-muted,#adb5bd)}@keyframes copilot-todo-pulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.4);opacity:.6}}.streaming-cursor{display:inline-flex;align-items:center;min-height:1.5em;padding:2px 0}.streaming-cursor-block{display:inline-block;width:2px;height:1.1em;background-color:var(--copilot-accent,#6366f1);border-radius:1px;animation:cursor-blink 1s step-end infinite}@keyframes cursor-blink{0%,to{opacity:1}50%{opacity:0}}.streaming-loading{display:flex;align-items:center;gap:10px;padding:8px 0}.streaming-loading-dots{display:flex;align-items:center;gap:4px}.streaming-loading-dot{width:6px;height:6px;border-radius:50%;background-color:var(--copilot-accent,#6366f1);animation:dot-pulse 1.4s ease-in-out infinite}.streaming-loading-dot:first-child{animation-delay:0s}.streaming-loading-dot:nth-child(2){animation-delay:.2s}.streaming-loading-dot:nth-child(3){animation-delay:.4s}@keyframes dot-pulse{0%,80%,to{opacity:.3;transform:scale(.8)}40%{opacity:1;transform:scale(1)}}.streaming-loading-text{font-size:13px;color:var(--copilot-text-muted,hsla(0,0%,100%,.4))}.streaming-thinking{display:flex;align-items:center;gap:8px;padding:6px 12px;background:var(--copilot-bg-tertiary,hsla(0,0%,100%,.05));border-radius:6px;width:-moz-fit-content;width:fit-content}.streaming-thinking-icon{width:16px;height:16px;color:var(--copilot-accent,#6366f1);animation:thinking-pulse 2s ease-in-out infinite}@keyframes thinking-pulse{0%,to{opacity:.5}50%{opacity:1}}.streaming-thinking-text{font-size:13px;color:var(--copilot-text-secondary,hsla(0,0%,100%,.6))}.light .streaming-cursor-block,.light .streaming-loading-dot,[data-theme=light] .streaming-cursor-block,[data-theme=light] .streaming-loading-dot{background-color:var(--copilot-accent,#6366f1)}.light .streaming-loading-text,[data-theme=light] .streaming-loading-text{color:var(--copilot-text-muted,rgba(0,0,0,.4))}.light .streaming-thinking,[data-theme=light] .streaming-thinking{background:var(--copilot-bg-tertiary,rgba(0,0,0,.03))}.light .streaming-thinking-text,[data-theme=light] .streaming-thinking-text{color:var(--copilot-text-secondary,rgba(0,0,0,.6))}.copilot-text-shimmer{display:flex;flex-direction:column;gap:8px;padding:4px 0}.copilot-text-shimmer-line{height:14px;border-radius:4px;background:linear-gradient(90deg,var(--copilot-bg-secondary,rgba(0,0,0,.04)) 25%,var(--copilot-bg-tertiary,rgba(0,0,0,.08)) 50%,var(--copilot-bg-secondary,rgba(0,0,0,.04)) 75%);background-size:200% 100%;animation:copilot-shimmer 1.5s ease-in-out infinite}@keyframes copilot-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@media (prefers-reduced-motion:reduce){.copilot-text-shimmer-line{animation:none}}.copilot-context-group{display:flex;flex-direction:column;border-radius:var(--copilot-radius-md,8px);border:1px solid var(--copilot-border-light,rgba(0,0,0,.06));overflow:hidden}.copilot-context-group-trigger{display:flex;align-items:center;gap:var(--copilot-space-sm,8px);padding:var(--copilot-space-sm,8px) var(--copilot-space-md,12px);background:var(--copilot-bg-secondary,rgba(0,0,0,.02));border:none;cursor:pointer;font-size:var(--copilot-font-size-sm,13px);color:var(--copilot-text-secondary,#6b7280);width:100%;text-align:left;transition:background-color .15s ease}.copilot-context-group-trigger:hover{background:var(--copilot-bg-tertiary,rgba(0,0,0,.04))}.copilot-context-group-trigger:focus-visible{outline:2px solid var(--copilot-focus-ring,#3b82f6);outline-offset:-2px}.copilot-context-group[data-busy=true] .copilot-context-group-trigger{color:var(--copilot-status-running,#3b82f6)}.copilot-context-group-label{flex:1;font-weight:500}.copilot-context-group-count{font-size:var(--copilot-font-size-xs,11px);color:var(--copilot-text-muted,#9ca3af)}.copilot-context-group-chevron{display:flex;align-items:center;color:var(--copilot-text-muted,#9ca3af);transition:transform .15s ease}.copilot-context-group-chevron[data-expanded=true]{transform:rotate(180deg)}.copilot-context-group-content{display:flex;flex-direction:column;gap:var(--copilot-space-sm,8px);border-top:1px solid var(--copilot-border-light,rgba(0,0,0,.06))}.copilot-context-group-content,.copilot-context-group-shimmer{padding:var(--copilot-space-sm,8px) var(--copilot-space-md,12px)}.copilot-context-group-trigger .copilot-spinner{width:12px;height:12px;color:var(--copilot-status-running,#3b82f6)}@media (prefers-reduced-motion:reduce){.copilot-context-group-shimmer .copilot-text-shimmer-line{animation:none}}.copilot-turn-diff-summary{display:flex;flex-direction:column;gap:var(--copilot-space-sm,8px);animation:copilot-fadeUp .3s ease-out .1s both}.copilot-turn-diff-summary-title{font-size:var(--copilot-font-size-sm,13px);font-weight:500;color:var(--copilot-text-secondary,#6b7280);margin:0}.copilot-turn-diff-summary-list{display:flex;flex-direction:column;gap:var(--copilot-space-xs,4px)}.copilot-turn-diff-summary-item{display:flex;align-items:center;justify-content:space-between;padding:var(--copilot-space-xs,4px) var(--copilot-space-sm,8px);background:var(--copilot-bg-secondary,rgba(0,0,0,.03));border-radius:var(--copilot-radius-sm,4px);gap:var(--copilot-space-md,12px)}.copilot-turn-diff-summary-file{font-family:var(--copilot-font-mono,"SF Mono","Monaco",monospace);font-size:var(--copilot-font-size-sm,13px);color:var(--copilot-text-primary,#111827);flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.copilot-turn{gap:18px;padding:0;min-width:0}.copilot-turn,.copilot-turn-input,.copilot-turn-output{display:flex;flex-direction:column}.copilot-turn-output{gap:var(--copilot-space-md,12px)}.copilot-turn-status,.copilot-turn-status-bar{display:flex;align-items:center}.copilot-turn-status-bar{width:-moz-fit-content;width:fit-content;gap:var(--copilot-space-xs,4px);font-size:var(--copilot-font-size-sm,13px);color:var(--copilot-text-secondary,#6b7280);padding:var(--copilot-space-xs,4px) var(--copilot-space-sm,8px);border-radius:var(--copilot-radius-sm,4px);background-color:var(--copilot-bg-secondary,rgba(0,0,0,.03));-webkit-user-select:none;-moz-user-select:none;user-select:none}.copilot-turn-status-text{font-weight:500}.copilot-turn-status-duration,.copilot-turn-status-separator{color:var(--copilot-text-muted,#9ca3af)}.copilot-turn-status-duration{font-family:var(--copilot-font-mono,"SF Mono","Monaco",monospace);font-size:var(--copilot-font-size-xs,11px)}.copilot-turn-status-bar .copilot-spinner{width:12px;height:12px;margin-right:var(--copilot-space-xs,4px);color:var(--copilot-status-running,#3b82f6)}.copilot-turn-parts{display:flex;flex-direction:column;gap:var(--copilot-space-md,12px)}.copilot-turn-status-running .copilot-turn-status-bar{color:var(--copilot-status-running,#3b82f6)}.copilot-turn-status-completed .copilot-turn-status-bar{color:var(--copilot-text-secondary,#6b7280)}.copilot-turn-status-error .copilot-turn-status-bar,.copilot-turn-status-error .copilot-turn-status-bar .copilot-spinner{color:var(--copilot-status-error,#ef4444)}.copilot-turn-status-paused .copilot-turn-status-bar,.copilot-turn-status-paused .copilot-turn-status-bar .copilot-spinner{color:var(--copilot-status-paused,#f59e0b)}.copilot-turn-status-cancelled .copilot-turn-status-bar{color:var(--copilot-text-muted,#9ca3af)}@media (max-width:640px){.copilot-turn{gap:var(--copilot-space-md,12px)}.copilot-turn-status-bar{font-size:var(--copilot-font-size-xs,11px)}.copilot-turn-status-duration{font-size:10px}}.copilot-turn-input{position:sticky;top:0;z-index:10;background:var(--copilot-bg)}.copilot-turn-input:before{top:-18px;height:18px;background:var(--copilot-bg)}.copilot-turn-input:after,.copilot-turn-input:before{content:"";position:absolute;left:-20px;right:-20px;pointer-events:none}.copilot-turn-input:after{bottom:-32px;height:32px;background:linear-gradient(var(--copilot-bg),transparent)}.copilot-turn-actions{position:absolute;right:38px;top:7px;display:flex;flex-direction:row;align-items:center;gap:4px;opacity:0;transition:opacity .15s ease;z-index:1}.copilot-turn-input:hover 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copilot-turn-spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.cp-overlay{position:fixed;inset:0;z-index:9999;display:flex;align-items:flex-start;justify-content:center;padding-top:15vh;background:rgba(0,0,0,.5);backdrop-filter:blur(4px);animation:cp-fade-in .15s ease}@keyframes cp-fade-in{0%{opacity:0}to{opacity:1}}.cp-container{width:560px;max-width:calc(100vw - 40px);max-height:70vh;display:flex;flex-direction:column;background:var(--part-bg-base,hsla(0,0%,100%,.02));border:1px solid var(--part-border-base,hsla(0,0%,100%,.1));border-radius:12px;box-shadow:0 25px 50px -12px rgba(0,0,0,.5),0 0 0 1px hsla(0,0%,100%,.05);overflow:hidden;animation:cp-slide-up .2s ease}@keyframes cp-slide-up{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.light .cp-overlay,[data-theme=light] .cp-overlay{background:rgba(0,0,0,.3)}.light .cp-container,[data-theme=light] .cp-container{background:#fff;border-color:rgba(0,0,0,.1);box-shadow:0 25px 50px -12px rgba(0,0,0,.25),0 0 0 1px rgba(0,0,0,.05)}.cp-search{display:flex;align-items:center;gap:12px;padding:14px 16px;border-bottom:1px solid var(--part-border-base,hsla(0,0%,100%,.1))}.cp-search-icon{width:18px;height:18px;color:var(--part-text-weak,hsla(0,0%,100%,.6));flex-shrink:0}.cp-search-input{flex:1;background:transparent;border:none;outline:none;font-size:15px;font-family:var(--part-font-sans,-apple-system,BlinkMacSystemFont,sans-serif);color:var(--part-text-base,#e5e5e5)}.cp-search-input::-moz-placeholder{color:var(--part-text-weaker,hsla(0,0%,100%,.4))}.cp-search-input::placeholder{color:var(--part-text-weaker,hsla(0,0%,100%,.4))}.cp-search-shortcut{display:flex;gap:4px;flex-shrink:0}.cp-search-shortcut kbd{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 5px;background:var(--part-bg-raised,hsla(0,0%,100%,.05));border:1px solid var(--part-border-base,hsla(0,0%,100%,.1));border-radius:4px;font-size:11px;font-family:var(--part-font-sans);color:var(--part-text-weaker,hsla(0,0%,100%,.4))}.cp-list{flex:1;overflow-y:auto;padding:8px;scrollbar-width:thin;scrollbar-color:var(--part-border-base) transparent}.cp-list::-webkit-scrollbar{width:6px}.cp-list::-webkit-scrollbar-track{background:transparent}.cp-list::-webkit-scrollbar-thumb{background:var(--part-border-base);border-radius:3px}.cp-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:40px 20px;color:var(--part-text-weak,hsla(0,0%,100%,.6))}.cp-empty-icon{width:32px;height:32px;opacity:.5}.cp-group{margin-bottom:8px}.cp-group:last-child{margin-bottom:0}.cp-group-title{padding:6px 8px 4px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--part-text-weaker,hsla(0,0%,100%,.4))}.cp-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 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var(--part-border-base,hsla(0,0%,100%,.1));border-radius:4px;font-size:10px;font-family:var(--part-font-sans);color:var(--part-text-weak,hsla(0,0%,100%,.6))}.cp-item-chevron{width:14px;height:14px;color:var(--part-text-weaker,hsla(0,0%,100%,.4))}.cp-footer{justify-content:center;gap:20px;padding:10px 16px;border-top:1px solid var(--part-border-base,hsla(0,0%,100%,.1));background:var(--part-bg-inset,hsla(0,0%,100%,.03))}.cp-footer,.cp-footer-hint{display:flex;align-items:center}.cp-footer-hint{gap:6px;font-size:11px;color:var(--part-text-weaker,hsla(0,0%,100%,.4))}.cp-footer-hint kbd{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 4px;background:var(--part-bg-raised,hsla(0,0%,100%,.05));border:1px solid var(--part-border-base,hsla(0,0%,100%,.1));border-radius:4px;font-size:10px;font-family:var(--part-font-sans)}.diff-view{display:flex;flex-direction:column;gap:var(--copilot-space-md,12px)}.diff-view-empty{padding:var(--copilot-space-lg,16px);text-align:center}.diff-empty-message{color:var(--copilot-text-muted,#9ca3af);font-size:var(--copilot-font-size-sm,13px)}.diff-summary{padding:var(--copilot-space-sm,8px) var(--copilot-space-md,12px);background:var(--copilot-bg-secondary,rgba(0,0,0,.03));border-radius:var(--copilot-radius-md,8px)}.diff-nodes{display:flex;flex-direction:column;gap:var(--copilot-space-xs,4px)}.diff-node{border:1px solid var(--copilot-border-light,rgba(0,0,0,.08));border-radius:var(--copilot-radius-md,8px);overflow:hidden}.diff-node-header{display:flex;align-items:center;gap:var(--copilot-space-sm,8px);width:100%;padding:var(--copilot-space-sm,8px) var(--copilot-space-md,12px);background:transparent;border:none;cursor:pointer;text-align:left;transition:background-color .15s ease}.diff-node-header:hover:not(:disabled){background:var(--copilot-bg-secondary,rgba(0,0,0,.03))}.diff-node-header:disabled{cursor:default}.diff-node-chevron{display:flex;align-items:center;color:var(--copilot-text-muted,#9ca3af)}.diff-node-icon{display:flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:var(--copilot-radius-sm,4px)}.diff-node-icon-added{color:var(--copilot-success-color,#22c55e);background:var(--copilot-success-bg,rgba(34,197,94,.1))}.diff-node-icon-deleted{color:var(--copilot-error-color,#ef4444);background:var(--copilot-error-bg,rgba(239,68,68,.1))}.diff-node-icon-modified{color:var(--copilot-warning-color,#f59e0b);background:var(--copilot-warning-bg,rgba(245,158,11,.1))}.diff-node-id{font-family:var(--copilot-font-mono,"SF Mono","Monaco",monospace);font-size:var(--copilot-font-size-sm,13px);color:var(--copilot-text-primary,#1f2937)}.diff-node-type{font-size:var(--copilot-font-size-xs,11px);font-weight:500;padding:2px 6px;border-radius:var(--copilot-radius-sm,4px)}.diff-node-type-added{color:var(--copilot-success-color,#22c55e);background:var(--copilot-success-bg,rgba(34,197,94,.1))}.diff-node-type-deleted{color:var(--copilot-error-color,#ef4444);background:var(--copilot-error-bg,rgba(239,68,68,.1))}.diff-node-type-modified{color:var(--copilot-warning-color,#f59e0b);background:var(--copilot-warning-bg,rgba(245,158,11,.1))}.diff-node-content{display:grid;grid-template-columns:1fr 1fr;gap:var(--copilot-space-sm,8px);padding:var(--copilot-space-md,12px);border-top:1px solid var(--copilot-border-light,rgba(0,0,0,.08));background:var(--copilot-bg-secondary,rgba(0,0,0,.02))}.diff-after,.diff-before{display:flex;flex-direction:column;gap:var(--copilot-space-xs,4px)}.diff-label{font-size:var(--copilot-font-size-xs,11px);font-weight:500;color:var(--copilot-text-muted,#9ca3af);text-transform:uppercase}.diff-before .diff-label{color:var(--copilot-error-color,#ef4444)}.diff-after .diff-label{color:var(--copilot-success-color,#22c55e)}.diff-code{margin:0;padding:var(--copilot-space-sm,8px);font-family:var(--copilot-font-mono,"SF Mono","Monaco",monospace);font-size:var(--copilot-font-size-xs,11px);line-height:1.5;background:var(--copilot-bg-primary,#fff);border:1px solid var(--copilot-border-light,rgba(0,0,0,.08));border-radius:var(--copilot-radius-sm,4px);overflow-x:auto;max-height:200px;overflow-y:auto}.session-summary{display:flex;align-items:center;gap:var(--copilot-space-sm,8px);font-size:var(--copilot-font-size-sm,13px)}.session-summary-compact{gap:var(--copilot-space-xs,4px);font-size:var(--copilot-font-size-xs,11px)}.summary-additions{color:var(--copilot-success-color,#22c55e);font-weight:500}.summary-deletions{color:var(--copilot-error-color,#ef4444);font-weight:500}.summary-modifications{color:var(--copilot-warning-color,#f59e0b);font-weight:500}.summary-files{color:var(--copilot-text-muted,#9ca3af)}@media (max-width:640px){.diff-node-content{grid-template-columns:1fr}}.change-history-panel{display:flex;flex-direction:column;height:100%;background:var(--copilot-bg,#fff);border-radius:8px;overflow:hidden;border:1px solid var(--copilot-border,#e5e7eb)}.panel-header{justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--copilot-border,#e5e7eb);background:var(--copilot-bg-secondary,#f9fafb)}.panel-header,.panel-title{display:flex;align-items:center}.panel-title{gap:8px}.panel-title h3{margin:0;font-size:14px;font-weight:600;color:var(--copilot-text,#111827)}.close-btn{display:flex;align-items:center;justify-content:center;width:28px;height:28px;padding:0;border:none;background:transparent;border-radius:4px;cursor:pointer;color:var(--copilot-text-secondary,#6b7280);transition:background-color .15s,color .15s}.close-btn:hover{background:var(--copilot-hover,#f3f4f6);color:var(--copilot-text,#111827)}.panel-body{display:flex;flex:1;overflow:hidden}.panel-sidebar{width:180px;min-width:180px;border-right:1px solid var(--copilot-border,#e5e7eb);overflow-y:auto;background:var(--copilot-bg-secondary,#f9fafb)}.panel-main{flex:1;overflow-y:auto;padding:16px}.change-timeline{padding:12px}.change-timeline-empty{padding:24px 12px;text-align:center;color:var(--copilot-text-secondary,#6b7280);font-size:13px}.timeline-item{display:flex;align-items:center;gap:10px;width:100%;padding:8px 10px;margin-bottom:4px;border:none;background:transparent;border-radius:6px;cursor:pointer;text-align:left;transition:background-color .15s}.timeline-item:hover{background:var(--copilot-hover,#f3f4f6)}.timeline-item.selected{background:var(--copilot-selected,#eff6ff)}.timeline-marker{width:8px;height:8px;border-radius:50%;background:var(--copilot-primary,#3b82f6);flex-shrink:0}.timeline-content{display:flex;flex-direction:column;gap:2px;min-width:0}.timeline-index{font-size:12px;font-weight:500;color:var(--copilot-text,#111827)}.timeline-stats{display:flex;gap:6px;font-size:11px}.timeline-stats .stat-add{display:flex;align-items:center;gap:2px;color:#16a34a}.timeline-stats .stat-del{display:flex;align-items:center;gap:2px;color:#dc2626}.timeline-stats .stat-mod{display:flex;align-items:center;gap:2px;color:#d97706}.node-diff-view{margin-bottom:12px;border:1px solid var(--copilot-border,#e5e7eb);border-radius:6px;overflow:hidden}.diff-header{display:flex;align-items:center;gap:8px;width:100%;padding:10px 12px;border:none;background:var(--copilot-bg-secondary,#f9fafb);cursor:pointer;text-align:left;transition:background-color .15s}.diff-header:hover{background:var(--copilot-hover,#f3f4f6)}.diff-badge{padding:2px 8px;border-radius:4px;font-size:11px;font-weight:500}.diff-badge.diff-type-added{background:#dcfce7;color:#166534}.diff-badge.diff-type-deleted{background:#fee2e2;color:#991b1b}.diff-badge.diff-type-modified{background:#fef3c7;color:#92400e}.diff-node-id{flex:1;font-size:13px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;color:var(--copilot-text,#111827);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.diff-chevron{color:var(--copilot-text-secondary,#6b7280)}.diff-content{padding:12px;border-top:1px solid var(--copilot-border,#e5e7eb)}.diff-split{display:grid;grid-template-columns:1fr 1fr;gap:12px}.diff-panel{border-radius:4px;overflow:hidden}.diff-panel-header{padding:6px 10px;font-size:11px;font-weight:500}.diff-before .diff-panel-header{background:#fee2e2;color:#991b1b}.diff-added .diff-panel-header,.diff-after .diff-panel-header{background:#dcfce7;color:#166534}.diff-deleted .diff-panel-header{background:#fee2e2;color:#991b1b}.diff-json{margin:0;padding:10px;font-size:11px;line-height:1.5;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;background:var(--copilot-bg-tertiary,#f3f4f6);overflow-x:auto;white-space:pre-wrap;word-break:break-all}.diff-summary{display:flex;justify-content:space-between;align-items:center;padding:12px;margin-bottom:16px;background:var(--copilot-bg-secondary,#f9fafb);border-radius:6px}.diff-summary.empty{justify-content:center;color:var(--copilot-text-secondary,#6b7280)}.diff-summary-stats{display:flex;gap:16px}.diff-summary-stat{display:flex;align-items:center;gap:4px;font-size:13px;font-weight:500}.diff-summary-stat.stat-add{color:#16a34a}.diff-summary-stat.stat-del{color:#dc2626}.diff-summary-stat.stat-mod{color:#d97706}.diff-summary-total{display:flex;align-items:center;gap:4px;font-size:12px;color:var(--copilot-text-secondary,#6b7280)}.diff-summary-container{margin-bottom:16px}.empty-state,.error-state,.loading-state,.no-changes{display:flex;align-items:center;justify-content:center;height:100%;min-height:200px;color:var(--copilot-text-secondary,#6b7280);font-size:13px}.error-state{color:#dc2626}.diff-list{min-height:200px}