/* 任务卡保留摘要；工作区用导航、留白与单张文档组织执行及阅读。 */
.td-assistant-column > .td-ai-results { flex: 0 0 auto; min-height: 0; padding-bottom: 14px; }
.td-ai-summary-status, .td-ai-summary-title { margin: 0 14px 8px; color: var(--text2); font-size: 12px; line-height: 1.65; overflow-wrap: anywhere; }
.td-ai-summary-title { color: var(--text); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.td-ai-workspace-entry { display: flex; align-items: center; justify-content: space-between; margin: 3px 14px 0; padding: 9px 12px; border: 1px solid var(--border); border-radius: 7px; background: var(--surface2); color: var(--primary); font: inherit; font-size: 12px; cursor: pointer; }
.td-ai-inline-status { display: flex; align-items: center; gap: 8px; color: var(--primary); font-size: 11px; line-height: 1.7; }
.td-assistant-column .td-ai-execute { display: flex; justify-content: space-between; gap: 8px; text-align: left; }
.td-ai-workspace { --ai-canvas: color-mix(in srgb, var(--surface2) 64%, var(--surface)); --ai-line: color-mix(in srgb, var(--border) 75%, transparent); --ai-accent-soft: color-mix(in srgb, var(--primary) 7%, var(--surface)); width: min(1280px, calc(100vw - 48px)); height: min(920px, calc(100vh - 48px)); max-width: none; max-height: none; padding: 0; margin: auto; border: 1px solid var(--border); border-radius: 16px; background: var(--surface); color: var(--text); box-shadow: 0 28px 100px #0005; overflow: hidden; }
.td-ai-workspace[open] { display: flex; flex-direction: column; }
.td-ai-workspace::backdrop { background: #10152599; backdrop-filter: blur(5px); }
.td-ai-workspace *, .td-ai-workspace-entry { box-sizing: border-box; }
.td-ai-icon { display: inline-block; width: 18px; height: 18px; flex: 0 0 auto; vertical-align: middle; }
.td-ai-workspace-head { display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-shrink: 0; min-height: 88px; padding: 17px 26px; border-bottom: 1px solid var(--ai-line); }
.td-ai-workspace-identity, .td-ai-workspace-head-actions { display: flex; align-items: center; gap: 14px; min-width: 0; }
.td-ai-workspace-mark { display: grid; place-items: center; width: 42px; height: 42px; flex: 0 0 auto; border: 1px solid color-mix(in srgb, var(--primary) 18%, var(--border)); border-radius: 12px; background: var(--ai-accent-soft); color: var(--primary); }
.td-ai-workspace-mark .td-ai-icon { width: 23px; height: 23px; }
.td-ai-workspace-heading { min-width: 0; }
.td-ai-workspace-kicker { display: flex; align-items: center; gap: 9px; color: var(--text2); font-size: 11px; line-height: 1.5; }
.td-ai-workspace-kicker > :first-child { color: var(--primary); font-weight: 650; }
.td-ai-workspace-kicker > [aria-hidden] { opacity: .45; }
.td-ai-workspace-head h2 { margin: 4px 0 0; font-size: 16px; font-weight: 650; line-height: 1.55; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.td-ai-workspace-head-actions { flex: 0 0 auto; gap: 22px; }
.td-ai-sharing { display: inline-flex; align-items: center; gap: 7px; color: var(--text2); font-size: 12px; white-space: nowrap; }
.td-ai-sharing .td-ai-icon { width: 15px; height: 15px; }
.td-ai-workspace-close { display: grid; place-items: center; flex-shrink: 0; width: 34px; height: 34px; border: 1px solid transparent; border-radius: 8px; background: transparent; color: var(--text2); cursor: pointer; }
.td-ai-workspace-close:hover { background: var(--surface2); color: var(--text); border-color: var(--border); }
.td-ai-workspace-body { display: grid; grid-template-columns: 234px minmax(0, 1fr); flex: 1; min-height: 0; overflow: hidden; }
#td-ai-workspace-nav { min-width: 0; overflow-y: auto; padding: 26px 14px; border-right: 1px solid var(--ai-line); background: var(--surface); scrollbar-width: thin; scrollbar-color: var(--border) transparent; }
.td-ai-nav-section-head { display: flex; align-items: center; justify-content: space-between; margin: 0 12px 13px; }
.td-ai-nav-label { color: var(--text2); font-size: 11px; font-weight: 600; letter-spacing: .03em; }
.td-ai-nav-count { min-width: 20px; padding: 1px 5px; border-radius: 5px; color: var(--text2); background: var(--surface2); font-size: 10px; text-align: center; font-variant-numeric: tabular-nums; }
.td-ai-run-link { position: relative; display: flex; flex-direction: column; gap: 8px; width: 100%; margin: 0 0 7px; padding: 14px 12px; border: 1px solid transparent; border-radius: 9px; background: transparent; color: var(--text); font: inherit; text-align: left; cursor: pointer; overflow-wrap: anywhere; transition: background .15s; }
.td-ai-run-link:hover { background: var(--surface2); }
.td-ai-run-link.is-selected { background: var(--ai-accent-soft); }
.td-ai-run-link.is-selected::before { content: ''; position: absolute; top: 16px; bottom: 16px; left: -1px; width: 2px; border-radius: 2px; background: var(--primary); }
.td-ai-run-link strong { font-size: 13px; line-height: 1.65; font-weight: 600; }
.td-ai-nav-run-kind { display: inline-flex; align-items: center; gap: 6px; color: var(--text2); font-size: 10px; line-height: 1.6; }
.td-ai-nav-run-kind .td-ai-icon { width: 13px; height: 13px; }
.td-ai-nav-run-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 5px; color: var(--text2); font-size: 10px; line-height: 1.6; }
.td-ai-run-dot { width: 5px; height: 5px; flex: 0 0 auto; border-radius: 50%; background: var(--green); }
.td-ai-run-dot.is-running { background: var(--primary); }
.td-ai-run-dot.is-failed { background: var(--red); }
.td-ai-nav-plan-title { display: flex; align-items: center; gap: 8px; }
.td-ai-nav-plan-title .td-ai-icon { color: var(--primary); width: 16px; height: 16px; }
.td-ai-nav-plan-copy { color: var(--text2); font-size: 11px; line-height: 1.8; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.td-ai-nav-divider { height: 1px; background: var(--ai-line); margin: 23px 12px; }
.td-ai-nav-empty { margin: 14px 12px; color: var(--text2); font-size: 11px; line-height: 1.8; }
.td-ai-history > summary { padding: 13px 12px; color: var(--text2); font-size: 11px; cursor: pointer; }
.td-ai-history > summary::marker { font-size: 9px; }
.td-ai-history > summary > span { float: right; font-variant-numeric: tabular-nums; }
#td-ai-workspace-main { min-width: 0; overflow-y: auto; padding: 28px 32px 36px; background: var(--ai-canvas); scroll-behavior: auto; scrollbar-width: thin; scrollbar-color: var(--border) transparent; }
.td-ai-workspace-footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-shrink: 0; min-height: 39px; padding: 10px 26px; border-top: 1px solid var(--ai-line); color: var(--text2); font-size: 10px; line-height: 1.6; }
.td-ai-workspace-footer > span { display: inline-flex; align-items: center; gap: 7px; }
.td-ai-footer-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--green); opacity: .8; }
.td-ai-escape-hint { flex: 0 0 auto; }
.td-ai-escape-hint kbd { padding: 0 4px; border: 1px solid var(--border); border-radius: 3px; font: inherit; font-size: 9px; }
.td-ai-plan, .td-ai-document { width: 100%; max-width: 880px; margin: 0 auto; padding: 32px 38px 28px; border: 1px solid var(--ai-line); border-radius: 12px; background: var(--surface); box-shadow: 0 2px 5px #00000003; }
.td-ai-eyebrow { display: inline-flex; align-items: center; gap: 7px; color: var(--text2); font-size: 11px; font-weight: 550; line-height: 1.6; letter-spacing: .02em; }
.td-ai-eyebrow .td-ai-icon { width: 15px; height: 15px; }
.td-ai-plan { min-height: 100%; display: flex; flex-direction: column; }
.td-ai-plan .td-ai-eyebrow { color: var(--primary); }
.td-ai-plan h3 { margin: 14px 0 9px; font-size: 26px; font-weight: 650; line-height: 1.55; letter-spacing: -.025em; overflow-wrap: anywhere; }
.td-ai-plan-intro { margin: 0; color: var(--text2); font-size: 13px; line-height: 1.8; }
.td-ai-plan-outline { margin: 30px 0 16px; }
.td-ai-plan-outline > div { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 18px; padding: 23px 0; border-top: 1px solid var(--ai-line); }
.td-ai-plan-outline > div:last-child { border-bottom: 1px solid var(--ai-line); }
.td-ai-plan-outline dt { display: flex; align-items: baseline; gap: 10px; padding-top: 3px; color: var(--text2); font-size: 12px; line-height: 1.9; }
.td-ai-plan-outline dt > span { color: color-mix(in srgb, var(--text2) 70%, var(--surface)); font-size: 10px; font-variant-numeric: tabular-nums; }
.td-ai-plan-outline dd { margin: 0; color: var(--text); font-size: 14px; line-height: 1.9; overflow-wrap: anywhere; white-space: pre-wrap; }
.td-ai-plan-outline .td-ai-plan-task { font-size: 16px; font-weight: 550; line-height: 1.8; }
.td-ai-plan-note { display: flex; align-items: center; gap: 7px; margin: 3px 0 26px; color: var(--text2); font-size: 12px; line-height: 1.7; }
.td-ai-plan-note .td-ai-icon { width: 15px; height: 15px; color: var(--green); }
.td-ai-plan-actions { position: sticky; bottom: -36px; display: flex; align-items: center; justify-content: space-between; gap: 18px; margin: auto -2px -2px; padding: 21px 2px 2px; background: var(--surface); }
.td-ai-plan-actions > span { display: inline-flex; align-items: center; gap: 7px; color: var(--text2); font-size: 11px; }
.td-ai-plan-actions > span .td-ai-icon { width: 14px; height: 14px; color: var(--primary); }
.td-ai-plan-actions > div { display: flex; align-items: center; gap: 10px; }
.td-ai-confirm, .td-ai-secondary { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 38px; padding: 9px 15px; border: 1px solid var(--border); border-radius: 7px; background: var(--surface); color: var(--text); font: inherit; font-size: 12px; line-height: 1.5; cursor: pointer; }
.td-ai-confirm { border-color: var(--primary); background: var(--primary); color: white; font-weight: 600; box-shadow: 0 2px 4px color-mix(in srgb, var(--primary) 18%, transparent); }
.td-ai-confirm:hover:not(:disabled) { filter: brightness(1.07); }
.td-ai-confirm .td-ai-icon, .td-ai-secondary .td-ai-icon { width: 15px; height: 15px; }
.td-ai-secondary:hover { border-color: var(--primary); color: var(--primary); background: var(--ai-accent-soft); }
.td-ai-workspace button:disabled { opacity: .5; cursor: wait; }
.td-ai-workspace :is(button, a, summary, article):focus-visible, .td-ai-workspace-entry:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }
.td-ai-workspace-empty { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 320px; gap: 16px; padding: 36px 8px; text-align: center; color: var(--text2); font-size: 13px; line-height: 1.85; }
.td-ai-workspace-empty h3 { margin: 0; color: var(--text); font-size: 18px; font-weight: 600; }
.td-ai-workspace-empty p { max-width: 420px; margin: 0; overflow-wrap: anywhere; }
.td-ai-state-icon { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--surface2); color: var(--text2); }
.td-ai-state-icon .td-ai-icon { width: 23px; height: 23px; }
.td-ai-failed .td-ai-state-icon { color: var(--red); background: color-mix(in srgb, var(--red) 6%, var(--surface)); }
.td-ai-running { min-height: 370px; }
.td-ai-running-mark { position: relative; display: grid; place-items: center; width: 60px; height: 60px; margin-bottom: 8px; border: 1px solid var(--ai-line); border-radius: 18px; color: var(--primary); background: var(--ai-accent-soft); }
.td-ai-running-mark > .td-ai-icon { width: 28px; height: 28px; }
.td-ai-running-mark > span { position: absolute; width: 7px; height: 7px; right: -3px; top: 12px; border: 2px solid var(--surface); border-radius: 50%; box-sizing: content-box; background: var(--primary); animation: td-ai-breathe 1.8s ease-in-out infinite; }
.td-ai-progress { width: min(380px, 100%); display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); padding: 0; margin: 24px 0 0; list-style: none; }
.td-ai-progress li { position: relative; display: flex; flex-direction: column; align-items: center; gap: 10px; color: var(--text2); font-size: 11px; }
.td-ai-progress li + li::before { content: ''; position: absolute; top: 15px; right: calc(50% + 23px); width: calc(100% - 46px); height: 1px; background: var(--border); }
.td-ai-progress i { display: grid; place-items: center; width: 31px; height: 31px; border: 1px solid var(--border); border-radius: 50%; background: var(--surface); color: var(--text2); }
.td-ai-progress .td-ai-icon { width: 14px; height: 14px; }
.td-ai-progress .is-done i { border-color: color-mix(in srgb, var(--green) 22%, var(--border)); color: var(--green); }
.td-ai-progress .is-current { color: var(--primary); }
.td-ai-progress .is-current i { border-color: color-mix(in srgb, var(--primary) 35%, var(--border)); background: var(--ai-accent-soft); }
.td-ai-progress-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--primary); animation: td-ai-breathe 1.8s ease-in-out infinite; }
@keyframes td-ai-breathe { 50% { opacity: .3; } }
.td-ai-start { max-width: 640px; min-height: 100%; margin: 0 auto; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px; padding: 40px 24px; text-align: center; }
.td-ai-empty-symbol { position: relative; display: grid; place-items: center; width: 88px; height: 96px; margin-bottom: 6px; color: var(--primary); }
.td-ai-empty-symbol::before { content: ''; position: absolute; inset: 10px 5px 5px; border: 1px solid var(--border); border-radius: 13px; background: var(--surface); transform: rotate(-7deg); }
.td-ai-empty-symbol > .td-ai-icon:first-child { position: relative; width: 45px; height: 45px; stroke-width: 1; }
.td-ai-empty-symbol > .td-ai-icon:last-child { position: absolute; top: 0; right: -6px; width: 24px; height: 24px; }
.td-ai-start h3 { margin: 0; color: var(--text); font-size: 27px; font-weight: 600; letter-spacing: -.025em; }
.td-ai-start p { margin: 0; color: var(--text2); font-size: 13px; line-height: 1.9; }
.td-ai-start-path { display: flex; gap: 14px; align-items: center; margin: 13px 0 12px; font-size: 11px; color: var(--text2); }
.td-ai-start-path [aria-hidden] { opacity: .45; }
.td-ai-document-topline { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 17px; }
.td-ai-workspace .td-ai-report-title { display: block; }
.td-ai-report-title h3 { margin: 0; color: var(--text); font-size: 26px; font-weight: 650; line-height: 1.55; letter-spacing: -.025em; overflow-wrap: anywhere; }
.td-ai-workspace .td-ai-status { display: inline-flex; align-items: center; gap: 6px; padding: 3px 8px; border: 1px solid color-mix(in srgb, var(--green) 14%, transparent); border-radius: 5px; font-size: 10px; }
.td-ai-status > i { width: 4px; height: 4px; background: currentColor; border-radius: 50%; }
.td-ai-workspace .td-ai-status.is-running { border-color: color-mix(in srgb, var(--primary) 15%, transparent); }
.td-ai-workspace .td-ai-status.is-failed { border-color: color-mix(in srgb, var(--red) 14%, transparent); }
.td-ai-workspace .td-ai-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin: 19px 0 27px; color: var(--text2); font-size: 11px; line-height: 1.5; }
.td-ai-author { display: inline-flex; align-items: center; gap: 7px; }
.td-ai-author-avatar { display: grid; place-items: center; width: 23px; height: 23px; border: 1px solid var(--ai-line); border-radius: 50%; background: var(--surface2); color: var(--text2); font-size: 10px; }
.td-ai-author small { margin-left: 2px; font: inherit; color: var(--text2); }
.td-ai-meta-divider { width: 1px; height: 11px; background: var(--border); }
.td-ai-workspace .td-ai-markdown { overflow: visible; min-height: 0; padding: 25px 0 28px; border-top: 1px solid var(--ai-line); font-size: 15px; line-height: 1.95; }
.td-ai-workspace .td-ai-markdown p { margin: 13px 0; }
.td-ai-workspace .td-ai-markdown h2 { margin: 28px 0 11px; font-size: 20px; line-height: 1.6; font-weight: 650; letter-spacing: -.015em; }
.td-ai-workspace .td-ai-markdown h3 { margin: 24px 0 9px; font-size: 16px; font-weight: 650; line-height: 1.7; }
.td-ai-workspace .td-ai-markdown .td-ai-scope { padding: 11px 14px; margin: 0 0 27px; border: 0; border-radius: 5px; background: var(--surface2); color: var(--text2); font-size: 11px; line-height: 1.8; }
.td-ai-workspace .td-ai-markdown li { padding-left: 2px; margin: 4px 0; }
.td-ai-workspace .td-ai-markdown li::marker { color: color-mix(in srgb, var(--text2) 75%, var(--surface)); }
.td-ai-workspace .td-ai-markdown table { display: block; max-width: 100%; margin: 20px 0; overflow-x: auto; font-size: 13px; line-height: 1.7; }
.td-ai-workspace .td-ai-markdown th, .td-ai-workspace .td-ai-markdown td { padding: 10px 12px; }
.td-ai-workspace .td-ai-markdown pre { max-width: 100%; margin: 16px 0; padding: 14px; border-radius: 6px; overflow: auto; white-space: pre-wrap; background: var(--surface2); font-size: 12px; }
.td-ai-workspace .td-ai-markdown img { max-width: 100%; }
.td-ai-workspace .td-ai-markdown a { color: var(--primary); text-underline-offset: 3px; }
.td-ai-workspace .td-ai-markdown :is(h2, h3) + br { display: none; }
.td-ai-workspace .td-ai-notice { padding: 12px 15px; font-size: 12px; }
.td-ai-workspace .td-ai-sources { max-height: none; overflow: visible; padding: 17px 0; border-color: var(--ai-line); font-size: 12px; line-height: 1.8; }
.td-ai-sources > summary::marker, .td-ai-manage > summary::marker { font-size: 10px; }
.td-ai-review-action { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 10px; padding: 20px 0; border-top: 1px solid var(--ai-line); color: var(--text2); font-size: 12px; }
.td-ai-review-action > span { display: inline-flex; align-items: center; gap: 7px; }
.td-ai-review-action > span .td-ai-icon { width: 15px; height: 15px; color: var(--green); }
.td-ai-review-action button { flex-shrink: 0; }
.td-ai-manage { margin-top: 14px; color: var(--text2); font-size: 11px; }
.td-ai-manage summary { cursor: pointer; }
.td-ai-workspace .td-ai-delete { padding: 13px 0 2px; font-size: 12px; }
.td-ai-more { width: 100%; margin-top: 10px; }
@media (max-width: 1100px) {
  .td-ai-workspace { width: calc(100vw - 32px); height: calc(100vh - 32px); }
  .td-ai-workspace-body { grid-template-columns: 204px minmax(0, 1fr); }
  .td-ai-workspace-head { padding: 16px 20px; }
  .td-ai-workspace-head-actions { gap: 14px; }
  #td-ai-workspace-nav { padding: 23px 10px; }
  #td-ai-workspace-main { padding: 20px 14px 26px; }
  .td-ai-plan, .td-ai-document { padding: 26px 26px 24px; }
  .td-ai-plan-outline > div { grid-template-columns: 98px minmax(0, 1fr); gap: 12px; }
  .td-ai-plan-actions { bottom: -26px; }
  .td-ai-workspace-footer { padding-inline: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  .td-ai-workspace .td-checklist-generating, .td-ai-running-mark > span, .td-ai-progress-dot { animation: none; }
  .td-ai-workspace .td-ai-run-link { transition: none; }
}