/* agent.css - KulvAi Agent 统一创作工作区 v5.0.0 */

#agent-view {
  --agent-bg: #080b0f;
  --agent-surface-1: #111820;
  --agent-surface-2: #18222c;
  --agent-surface-3: #22303b;
  --agent-border: rgba(242, 247, 249, 0.085);
  --agent-border-strong: rgba(242, 242, 242, 0.34);
  --agent-orange: var(--primary, #f2f2f2);
  --agent-orange-soft: rgba(242, 242, 242, 0.12);
  --agent-mauve: #7f8d99;
  --agent-mauve-soft: rgba(127, 141, 153, 0.14);
  --agent-mint: #f2f2f2;
  --agent-mint-soft: rgba(242, 242, 242, 0.12);
  --agent-danger: #f06a6a;
  --agent-text: var(--text-primary, #fff);
  --agent-text-secondary: #c3c7cf;
  --agent-text-muted: #858b98;
  --agent-shell-glow-1: rgba(155, 117, 136, 0.085);
  --agent-shell-glow-2: rgba(242, 242, 242, 0.055);
  --agent-sidebar-bg: rgba(15, 15, 18, 0.92);
  --agent-toolbar-bg: rgba(13, 13, 15, 0.68);
  --agent-context-bg: rgba(17, 17, 20, 0.9);
  --agent-card-bg: rgba(13, 13, 15, 0.56);
  --agent-panel-bg: linear-gradient(145deg, rgba(30, 30, 36, 0.91), rgba(23, 23, 27, 0.86));
  --agent-composer-bg: linear-gradient(145deg, rgba(30, 30, 36, 0.98), rgba(22, 22, 27, 0.98));
  --agent-input-area-bg: linear-gradient(180deg, rgba(13, 13, 15, 0.5), rgba(13, 13, 15, 0.96) 30%);
  --agent-user-bg: linear-gradient(135deg, rgba(155, 117, 136, 0.15), rgba(155, 117, 136, 0.07));
  --agent-code-bg: #101014;
  --agent-code-text: #e1e4eb;
  --agent-control-bg: rgba(255, 255, 255, 0.035);
  --agent-control-hover: rgba(255, 255, 255, 0.07);
  --agent-action-text: #080b0f;
  --agent-radius-sm: 8px;
  --agent-radius-md: 12px;
  --agent-radius-lg: 18px;
  --agent-shadow: 0 22px 70px rgba(0, 0, 0, 0.36);
  --agent-fast: 150ms ease-out;
  --agent-motion: 260ms cubic-bezier(0.16, 1, 0.3, 1);
}

.agent-v3-entry-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  flex-wrap: wrap;
  text-align: center;
}

.agent-v3-entry-note strong {
  color: var(--text-primary);
}

.agent-v3-run-card {
  overflow: hidden;
}

.agent-direct-run-card {
  margin-top: 0.85rem;
  border-color: color-mix(in srgb, var(--brand-accent) 26%, var(--agent-border));
}

.agent-direct-confirmation {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.85rem;
}

.agent-direct-request,
.agent-direct-reference-block,
.agent-direct-cost {
  padding: 0.7rem;
  border: 1px solid var(--agent-border);
  border-radius: var(--agent-radius-sm);
  background: var(--agent-surface-1);
}

.agent-direct-confirmation span,
.agent-direct-fields label > span,
.agent-direct-prompt-field > span {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--agent-text-muted);
  font-size: 0.62rem;
}

.agent-direct-request p {
  color: var(--agent-text-secondary);
  font-size: 0.72rem;
  line-height: 1.6;
  white-space: pre-wrap;
}

.agent-direct-prompt-field {
  display: block;
}

.agent-direct-prompt,
.agent-direct-fields input,
.agent-direct-fields select {
  width: 100%;
  border: 1px solid var(--agent-border);
  border-radius: var(--agent-radius-sm);
  outline: 0;
  background: var(--agent-surface-1);
  color: var(--agent-text);
  font: inherit;
  font-size: 0.72rem;
}

.agent-direct-prompt {
  min-height: 7rem;
  resize: vertical;
  padding: 0.7rem;
  line-height: 1.6;
}

.agent-direct-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
}

.agent-direct-fields input,
.agent-direct-fields select {
  min-height: 2.45rem;
  padding: 0.45rem 0.6rem;
}

.agent-direct-fields input:disabled {
  color: var(--agent-text-secondary);
  opacity: 1;
}

.agent-direct-prompt:focus,
.agent-direct-fields input:focus,
.agent-direct-fields select:focus {
  border-color: var(--brand-accent);
  box-shadow: 0 0 0 0.18rem color-mix(in srgb, var(--brand-accent) 12%, transparent);
}

.agent-direct-references {
  display: grid;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.agent-direct-references li {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 0.35rem;
  border-top: 1px solid var(--agent-border);
  color: var(--agent-text-secondary);
  font-size: 0.68rem;
}

.agent-direct-references li strong {
  margin: 0;
  color: var(--brand-accent);
  font-size: 0.65rem;
}

.agent-direct-empty-reference,
.agent-direct-cost small {
  color: var(--agent-text-muted);
  font-size: 0.64rem;
}

.agent-direct-cost strong {
  margin: 0;
  color: var(--brand-accent);
  font-size: 0.88rem;
}

.agent-direct-outputs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.65rem;
  margin-top: 0.85rem;
}

.agent-direct-outputs article {
  overflow: hidden;
  border: 1px solid var(--agent-border);
  border-radius: var(--agent-radius-sm);
  background: var(--agent-surface-1);
}

.agent-direct-outputs img,
.agent-direct-outputs video {
  width: 100%;
  max-height: 24rem;
  display: block;
  object-fit: contain;
  background: var(--agent-bg);
}

.agent-direct-outputs img {
  cursor: zoom-in;
}

.agent-direct-outputs article > strong {
  margin: 0;
  padding: 0.55rem 0.65rem 0;
}

.agent-direct-outputs article > div {
  display: flex;
  gap: 0.4rem;
  padding: 0.55rem 0.65rem 0.65rem;
}

.agent-direct-outputs button {
  min-height: 2rem;
  flex: 1;
  border: 1px solid var(--agent-border);
  border-radius: var(--agent-radius-sm);
  background: var(--agent-control-bg);
  color: var(--agent-text-secondary);
  cursor: pointer;
  font: inherit;
  font-size: 0.66rem;
}

.agent-v3-card-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.agent-v3-card-heading > span {
  flex: 0 0 auto;
  color: var(--brand-accent);
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
}

.agent-v3-progress {
  height: 0.25rem;
  margin: 0.85rem 0 1rem;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--glass-border);
}

.agent-v3-progress i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--brand-accent-deep), var(--brand-accent));
  transition: width var(--transition);
}

.agent-v3-step-list {
  display: grid;
  gap: 0.5rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.agent-v3-step-list li {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text-secondary);
  font-size: 0.82rem;
}

.agent-v3-step-list li i {
  width: 0.45rem;
  height: 0.45rem;
  flex: 0 0 auto;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: var(--agent-surface-1);
}

.agent-v3-step-list li[data-state="done"] i,
.agent-v3-step-list li[data-state="active"] i {
  border-color: var(--brand-accent);
  background: var(--brand-accent);
}

.agent-v3-step-list li[data-state="active"] i {
  box-shadow: 0 0 0 0.25rem color-mix(in srgb, var(--brand-accent) 12%, transparent);
}

.agent-v3-step-list li[data-state="error"] i {
  border-color: var(--danger);
  background: var(--danger);
}

.agent-v3-input-notice {
  display: grid;
  gap: 0.25rem;
  margin: 0.85rem 0;
  padding: 0.8rem;
  border: 1px solid color-mix(in srgb, var(--brand-accent) 22%, transparent);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--brand-accent) 6%, transparent);
}

.agent-v3-input-notice small {
  color: var(--text-secondary);
}

.agent-v3-downloads {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.agent-v3-downloads button,
.agent-result-actions button.secondary {
  border-color: var(--glass-border);
  background: var(--agent-control-bg);
  color: var(--text-primary);
}

.agent-stage-workspace[hidden] { display: none; }

.agent-history-toggle[hidden] { display: none; }

.agent-history-toggle {
  min-height: 44px;
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  padding: 0.55rem clamp(1rem, 4vw, 3.2rem);
  border: 0;
  border-bottom: 1px solid var(--agent-border);
  background: var(--agent-toolbar-bg);
  color: var(--agent-text-secondary);
  cursor: pointer;
  font: inherit;
  text-align: left;
  transition: color var(--agent-fast), background var(--agent-fast);
}

.agent-history-toggle:hover,
.agent-history-toggle[aria-expanded="true"] {
  color: var(--agent-text);
  background: var(--agent-control-hover);
}

.agent-history-toggle-copy {
  min-width: 0;
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
}

.agent-history-toggle-copy strong { font-size: 0.7rem; font-weight: 680; }
.agent-history-toggle-copy small { color: var(--agent-text-muted); font-size: 0.6rem; white-space: nowrap; }
.agent-history-toggle > svg { width: 16px; height: 16px; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.7; transition: transform var(--agent-motion); }
.agent-history-toggle[aria-expanded="true"] > svg { transform: rotate(180deg); }

.agent-main.has-stage-workspace:not(.agent-history-expanded) .agent-messages { display: none; }

.agent-main.has-stage-workspace.agent-history-expanded .agent-messages {
  display: block;
  flex: 0 0 auto;
  max-height: min(42vh, 420px);
  overflow-y: auto;
  padding-top: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--agent-border);
  scroll-behavior: auto;
  scrollbar-gutter: stable;
}

.agent-main.has-stage-workspace .agent-v3-run-card { display: none; }

.agent-stage-workspace {
  min-height: 0;
  flex: 1;
  display: grid;
  grid-template-columns: 152px minmax(0, 1fr);
  overflow: hidden;
  background: color-mix(in srgb, var(--agent-surface-1) 72%, transparent);
}

.agent-stage-rail {
  min-height: 0;
  display: grid;
  align-content: start;
  gap: 0.35rem;
  margin: 0;
  padding: 1.25rem 0.75rem;
  border-right: 1px solid var(--agent-border);
  list-style: none;
}

.agent-stage-rail li {
  display: grid;
  grid-template-columns: 1.8rem minmax(0, 1fr);
  align-items: center;
  gap: 0.45rem;
  padding: 0.58rem;
  border: 1px solid transparent;
  border-radius: var(--agent-radius-sm);
  color: var(--agent-text-muted);
  font-size: 0.66rem;
}

.agent-stage-rail li i {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.58rem;
  font-style: normal;
}

.agent-stage-rail li[data-state="active"] {
  border-color: color-mix(in srgb, var(--brand-accent) 30%, transparent);
  background: color-mix(in srgb, var(--brand-accent) 8%, transparent);
  color: var(--agent-text);
}

.agent-stage-rail li[data-state="done"] { color: var(--brand-accent); }

.agent-stage-workspace-body {
  min-width: 0;
  min-height: 0;
  overflow-y: auto;
  padding: 1.35rem clamp(1rem, 3vw, 2.4rem) 2rem;
}

.agent-stage-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.agent-stage-heading small,
.agent-stage-complete small {
  color: var(--brand-accent);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.58rem;
  letter-spacing: 0.14em;
}

.agent-stage-heading h2,
.agent-stage-complete h2 {
  margin: 0.25rem 0 0.2rem;
  color: var(--agent-text);
  font-size: 1.18rem;
}

.agent-stage-heading p,
.agent-stage-complete p {
  margin: 0;
  color: var(--agent-text-muted);
  font-size: 0.72rem;
  line-height: 1.55;
}

.agent-stage-heading > strong {
  flex: 0 0 auto;
  padding: 0.38rem 0.55rem;
  border: 1px solid var(--agent-border);
  border-radius: var(--agent-radius-sm);
  color: var(--agent-text-secondary);
  font-size: 0.67rem;
  font-variant-numeric: tabular-nums;
}

.agent-shot-list { display: grid; gap: 0.55rem; }

.agent-shot-card {
  padding: 0.75rem;
  border: 1px solid var(--agent-border);
  border-radius: var(--agent-radius-md);
  background: color-mix(in srgb, var(--agent-surface-2) 66%, transparent);
}

.agent-shot-card header {
  display: grid;
  grid-template-columns: 1.8rem minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.55rem;
}

.agent-shot-card header i {
  color: var(--brand-accent);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.62rem;
  font-style: normal;
}

.agent-shot-card header strong { color: var(--agent-text); font-size: 0.76rem; }
.agent-shot-card header span { color: var(--agent-text-muted); font-size: 0.62rem; }
.agent-shot-card p { margin: 0.45rem 0 0 2.35rem; color: var(--agent-text-secondary); font-size: 0.7rem; line-height: 1.55; }
.agent-shot-card blockquote { margin: 0.38rem 0 0 2.35rem; color: var(--agent-text-muted); font-size: 0.66rem; }

.agent-stage-confirm {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
  padding: 0.85rem;
  border: 1px solid color-mix(in srgb, var(--brand-accent) 28%, transparent);
  border-radius: var(--agent-radius-md);
  background: color-mix(in srgb, var(--brand-accent) 6%, transparent);
}

.agent-stage-confirm label,
.agent-stage-confirm label span,
.agent-stage-confirm > div { display: grid; gap: 0.35rem; }
.agent-stage-confirm label span { color: var(--agent-text-muted); font-size: 0.62rem; }
.agent-stage-confirm select,
.agent-shot-redo input,
.agent-shot-redo select {
  min-height: 34px;
  border: 1px solid var(--agent-border);
  border-radius: var(--agent-radius-sm);
  background: var(--agent-surface-1);
  color: var(--agent-text);
  font: inherit;
  font-size: 0.68rem;
}
.agent-stage-confirm select { min-width: 210px; padding: 0 0.55rem; }
.agent-stage-confirm small { color: var(--agent-text-muted); font-size: 0.61rem; }
.agent-stage-confirm button,
.agent-unit-errors button,
.agent-shot-redo button {
  min-height: 34px;
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--brand-accent);
  border-radius: var(--agent-radius-sm);
  background: var(--brand-accent);
  color: var(--agent-action-text);
  cursor: pointer;
  font: inherit;
  font-size: 0.68rem;
  font-weight: 700;
}
.agent-stage-confirm button:disabled,
.agent-unit-errors button:disabled,
.agent-shot-redo button:disabled { opacity: 0.55; cursor: wait; }

.agent-stage-confirm > .agent-stage-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.55rem;
}

.agent-stage-confirm button.secondary {
  border-color: var(--agent-border-strong);
  background: transparent;
  color: var(--agent-text-secondary);
}

.agent-stage-input-choice { align-items: center; }
.agent-stage-input-choice strong { color: var(--agent-text); font-size: 0.72rem; }

.agent-stage-wait {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: 1rem;
  padding: 0.75rem;
  border: 1px solid var(--agent-border);
  border-radius: var(--agent-radius-sm);
  color: var(--agent-text-muted);
  font-size: 0.68rem;
}
.agent-stage-wait i,
.agent-grid-placeholder i,
.agent-video-preview > div i {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--brand-accent);
  animation: agentStatusPulse 1.3s ease-in-out infinite;
}

.agent-grid-pages {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 0.75rem;
}

.agent-grid-page,
.agent-visual-shot,
.agent-video-shot {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--agent-border);
  border-radius: var(--agent-radius-md);
  background: var(--agent-surface-1);
}

.agent-grid-page > img { width: 100%; aspect-ratio: 1; display: block; object-fit: contain; background: var(--brand-ink); cursor: zoom-in; }
.agent-grid-placeholder { aspect-ratio: 1; display: grid; place-items: center; align-content: center; gap: 0.55rem; color: var(--agent-text-muted); font-size: 0.66rem; }
.agent-grid-page footer { display: flex; justify-content: space-between; gap: 0.5rem; padding: 0.6rem; }
.agent-grid-page footer strong { color: var(--agent-text); font-size: 0.68rem; }
.agent-grid-page footer span { color: var(--agent-text-muted); font-size: 0.58rem; }

.agent-stage-subtitle { margin: 1.2rem 0 0.65rem; color: var(--agent-text); font-size: 0.78rem; }
.agent-visual-shots { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 0.65rem; }
.agent-visual-shot-image { aspect-ratio: 9 / 16; max-height: 260px; display: grid; place-items: center; overflow: hidden; background: var(--brand-ink); color: var(--agent-text-muted); }
.agent-visual-shot-image img { width: 100%; height: 100%; display: block; object-fit: contain; cursor: zoom-in; }
.agent-visual-shot-copy { padding: 0.65rem; }
.agent-visual-shot-copy strong { color: var(--agent-text); font-size: 0.7rem; }
.agent-visual-shot-copy p { min-height: 2.8em; margin: 0.3rem 0 0; color: var(--agent-text-muted); font-size: 0.62rem; line-height: 1.45; }
.agent-shot-redo { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 0.4rem; margin-top: 0.55rem; }
.agent-shot-redo input { grid-column: 1 / -1; padding: 0 0.55rem; }
.agent-shot-redo select { min-width: 0; padding: 0 0.4rem; }

.agent-video-shots { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 0.75rem; }
.agent-video-preview { aspect-ratio: 9 / 16; max-height: 380px; background: var(--brand-ink); }
.agent-video-preview video { width: 100%; height: 100%; display: block; object-fit: contain; }
.agent-video-preview > div { width: 100%; height: 100%; display: grid; place-items: center; align-content: center; gap: 0.6rem; color: var(--agent-text-muted); font-size: 0.67rem; }
.agent-video-shot footer { padding: 0.65rem; }
.agent-video-shot footer label { display: flex; align-items: center; gap: 0.4rem; color: var(--agent-text); font-size: 0.7rem; }
.agent-video-shot footer small { display: block; margin-top: 0.3rem; color: var(--brand-accent); font-size: 0.6rem; }
.agent-video-shot footer p { margin: 0.35rem 0 0; color: var(--agent-text-muted); font-size: 0.62rem; line-height: 1.45; }

.agent-unit-errors {
  display: grid;
  gap: 0.45rem;
  margin-top: 0.85rem;
  padding: 0.75rem;
  border: 1px solid color-mix(in srgb, var(--agent-danger) 35%, transparent);
  border-radius: var(--agent-radius-md);
  background: color-mix(in srgb, var(--agent-danger) 7%, transparent);
}
.agent-unit-errors > strong { color: var(--agent-danger); font-size: 0.7rem; }
.agent-unit-errors > div { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 0.55rem; }
.agent-unit-errors span { color: var(--agent-text); font-size: 0.66rem; }
.agent-unit-errors small { color: var(--agent-text-muted); font-size: 0.61rem; }
.agent-unit-errors button { min-height: 30px; }

.agent-stage-final { align-items: center; }
.agent-stage-complete { min-height: 280px; display: grid; grid-template-columns: 3rem minmax(0, 1fr); place-content: center; gap: 1rem; }
.agent-stage-complete > i { width: 3rem; height: 3rem; display: grid; place-items: center; border: 1px solid var(--brand-accent); border-radius: 50%; color: var(--brand-accent); font-size: 1.25rem; font-style: normal; }

@media (max-width: 920px) {
  .agent-stage-workspace { grid-template-columns: 1fr; }
  .agent-stage-rail { grid-template-columns: repeat(4, minmax(0, 1fr)); padding: 0.55rem; border-right: 0; border-bottom: 1px solid var(--agent-border); }
  .agent-stage-rail li { grid-template-columns: 1fr; gap: 0.15rem; padding: 0.42rem; text-align: center; }
}

@media (max-width: 620px) {
  .agent-history-toggle { padding-inline: 0.85rem; }
  .agent-history-toggle-copy { align-items: flex-start; flex-direction: column; gap: 0.08rem; }
  .agent-main.has-stage-workspace.agent-history-expanded .agent-messages { max-height: min(40vh, 320px); }
  .agent-stage-heading,
  .agent-stage-confirm { align-items: stretch; flex-direction: column; }
  .agent-stage-confirm > .agent-stage-actions { align-items: stretch; flex-direction: column; }
  .agent-stage-confirm > .agent-stage-actions button { width: 100%; }
  .agent-stage-confirm select { width: 100%; min-width: 0; }
  .agent-shot-card header { grid-template-columns: 1.6rem minmax(0, 1fr); }
  .agent-shot-card header span { grid-column: 2; }
  .agent-shot-card p,
  .agent-shot-card blockquote { margin-left: 2.15rem; }
  .agent-unit-errors > div { grid-template-columns: 1fr; }
}

body.agent-open {
  overflow: hidden;
}

/* 顶栏入口与其他一级导航保持一致 */
.top-bar-agent-btn {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  margin: 0;
  padding: 0 0.72rem;
  border: 0;
  border-radius: 2px;
  background: transparent;
  color: #b9b9b9;
  cursor: pointer;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 620;
  white-space: nowrap;
  transition: color 160ms ease, box-shadow 160ms ease;
}

.top-bar-agent-btn:hover,
.top-bar-agent-btn.active {
  border: 0;
  background: transparent;
  color: var(--home-frost, #f4f6f8);
}

.top-bar-agent-btn.active {
  box-shadow: inset 0 -1px var(--home-frost, #f4f6f8);
}

.top-bar-agent-btn:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 2px;
}

/* 全屏 Agent Shell */
#agent-view {
  display: none;
  position: fixed;
  inset: 56px 0 0;
  z-index: 110;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 72% -12%, var(--agent-shell-glow-1), transparent 38%),
    radial-gradient(ellipse at 18% 104%, var(--agent-shell-glow-2), transparent 42%),
    var(--agent-bg);
  color: var(--agent-text);
}

#agent-view.active {
  display: block;
  animation: agentSurfaceIn var(--agent-motion) both;
}

@keyframes agentSurfaceIn {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

.agent-shell {
  width: 100%;
  height: 100%;
  display: flex;
  min-width: 0;
  overflow: hidden;
}

/* 品牌状态标识：直接复用驴头 Logo，状态由外围轨迹承载 */
.agent-signal-mark {
  --agent-mark-size: 36px;
  position: relative;
  width: var(--agent-mark-size);
  height: var(--agent-mark-size);
  display: inline-grid;
  place-items: center;
  flex: 0 0 var(--agent-mark-size);
}

.agent-signal-mark-sm { --agent-mark-size: 34px; }
.agent-signal-mark-xs { --agent-mark-size: 28px; }
.agent-signal-mark-hero { --agent-mark-size: 78px; margin-bottom: 1.2rem; }

.agent-signal-avatar {
  position: absolute;
  z-index: 2;
  inset: 8%;
  overflow: hidden;
  border: 1px solid rgba(155, 117, 136, 0.5);
  border-radius: 27%;
  background: #fff;
  box-shadow: 0 5px 16px rgba(0, 0, 0, 0.28);
}

.agent-signal-avatar img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.agent-signal-ring {
  position: absolute;
  z-index: 1;
  inset: 0;
  border: max(1px, calc(var(--agent-mark-size) * 0.025)) solid rgba(155, 117, 136, 0.34);
  border-radius: 50%;
  transition: border-color var(--agent-motion), box-shadow var(--agent-motion);
}

.agent-signal-dot {
  position: absolute;
  z-index: 3;
  right: 0;
  bottom: 0;
  width: max(6px, calc(var(--agent-mark-size) * 0.18));
  height: max(6px, calc(var(--agent-mark-size) * 0.18));
  border: max(2px, calc(var(--agent-mark-size) * 0.035)) solid var(--agent-bg);
  border-radius: 50%;
  background: var(--agent-mauve);
  box-shadow: 0 0 0 1px rgba(155, 117, 136, 0.22);
  transition: background var(--agent-motion), box-shadow var(--agent-motion);
}

.agent-signal-orbit {
  position: absolute;
  z-index: 0;
  inset: -15%;
  border: 1px solid rgba(242, 242, 242, 0.17);
  border-left-color: transparent;
  border-radius: 50%;
}

.agent-signal-mark[data-state="thinking"] .agent-signal-ring,
.agent-signal-mark[data-state="planning"] .agent-signal-ring {
  border-color: rgba(242, 242, 242, 0.2);
  border-top-color: var(--agent-orange);
  animation: agentOrbit 1.65s linear infinite;
}

.agent-signal-mark[data-state="thinking"] .agent-signal-dot,
.agent-signal-mark[data-state="planning"] .agent-signal-dot {
  background: var(--agent-orange);
  box-shadow: 0 0 12px rgba(242, 242, 242, 0.46);
  animation: agentSignalPulse 1.2s ease-in-out infinite alternate;
}

.agent-signal-mark[data-state="running"] .agent-signal-ring,
.agent-signal-mark[data-state="running"] .agent-signal-orbit {
  border-color: rgba(242, 242, 242, 0.22);
  border-top-color: var(--agent-orange);
  animation: agentOrbit 1.3s linear infinite;
}

.agent-signal-mark[data-state="running"] .agent-signal-dot {
  background: var(--agent-orange);
  box-shadow: 0 0 13px rgba(242, 242, 242, 0.52);
}

.agent-signal-mark[data-state="success"] .agent-signal-ring {
  border-color: var(--agent-mint);
  box-shadow: 0 0 18px rgba(160, 240, 224, 0.15);
}

.agent-signal-mark[data-state="success"] .agent-signal-dot {
  background: var(--agent-mint);
  box-shadow: 0 0 12px rgba(160, 240, 224, 0.42);
}

.agent-signal-mark[data-state="error"] .agent-signal-ring { border-color: var(--agent-danger); }
.agent-signal-mark[data-state="error"] .agent-signal-dot { background: var(--agent-danger); }

@keyframes agentSignalPulse {
  from { transform: scale(0.82); opacity: 0.72; }
  to { transform: scale(1); opacity: 1; }
}

@keyframes agentOrbit { to { transform: rotate(1turn); } }

/* 任务导航 */
.agent-sidebar {
  position: relative;
  z-index: 8;
  width: 252px;
  min-width: 252px;
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--agent-sidebar-bg);
  border-right: 1px solid var(--agent-border);
  transition: width var(--agent-motion), min-width var(--agent-motion), transform var(--agent-motion);
  backdrop-filter: blur(22px);
}

.agent-sidebar-header {
  position: relative;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
  padding: 0.85rem 0.8rem 0.75rem 1rem;
  border-bottom: 1px solid var(--agent-border);
}

.agent-sidebar-brand {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.agent-sidebar-brand-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
}

.agent-sidebar-brand-copy strong { font-size: 0.86rem; font-weight: 700; white-space: nowrap; }
.agent-sidebar-brand-copy small { color: var(--agent-text-muted); font-size: 0.65rem; letter-spacing: 0.08em; white-space: nowrap; }

.agent-icon-btn {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 34px;
  padding: 0;
  border: 1px solid var(--agent-border);
  border-radius: var(--agent-radius-sm);
  background: var(--agent-control-bg);
  color: var(--agent-text-muted);
  cursor: pointer;
  font: inherit;
  transition: color var(--agent-fast), border-color var(--agent-fast), background var(--agent-fast);
}

.agent-icon-btn:hover {
  color: var(--agent-text);
  border-color: rgba(255, 255, 255, 0.16);
  background: var(--agent-control-hover);
}

.agent-sidebar-toggle {
  position: static;
  border-color: transparent;
  border-radius: var(--agent-radius-sm);
  background: transparent;
}

.agent-sidebar-toggle:hover {
  border-color: var(--agent-border);
  background: var(--agent-control-hover);
}

.agent-sidebar-toggle:active { transform: scale(0.94); }
.agent-sidebar-toggle svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.7; transition: transform var(--agent-motion); }
.agent-sidebar-toggle[aria-expanded="false"] svg { transform: rotate(180deg); }

.agent-icon-btn:focus-visible,
.agent-new-btn:focus-visible,
.agent-history-toggle:focus-visible,
.agent-sidebar-link:focus-visible,
.agent-context-tab:focus-visible,
.agent-send-btn:focus-visible,
.agent-file-btn:focus-visible,
.agent-welcome-suggestion:focus-visible,
.agent-session-item:focus-visible,
.agent-copy-btn:focus-visible,
.agent-result-actions button:focus-visible {
  outline: 2px solid var(--agent-orange);
  outline-offset: 3px;
}

.agent-new-btn {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.48rem;
  margin: 0.85rem;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--agent-border-strong);
  border-radius: var(--agent-radius-md);
  background: var(--agent-orange-soft);
  color: var(--agent-text);
  cursor: pointer;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  transition: color var(--agent-fast), border-color var(--agent-fast), background var(--agent-fast), transform var(--agent-fast);
}

.agent-new-btn:hover {
  color: var(--agent-text);
  border-color: var(--agent-border-strong);
  background: var(--agent-control-hover);
  transform: translateY(-1px);
}

.agent-session-section {
  min-height: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.agent-session-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.4rem 1rem 0.45rem;
  color: var(--agent-text-muted);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.62rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.agent-session-heading small { color: rgba(133, 139, 152, 0.65); font-size: 0.56rem; }

.agent-session-list {
  min-height: 0;
  flex: 1;
  overflow-y: auto;
  padding: 0 0.55rem 0.8rem;
}

.agent-session-empty {
  padding: 1.2rem 0.6rem;
  color: var(--agent-text-muted);
  font-size: 0.72rem;
  line-height: 1.55;
  text-align: center;
}

.agent-session-item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.25rem 0.45rem;
  margin-bottom: 0.25rem;
  padding: 0.65rem 0.65rem 0.58rem;
  border: 1px solid transparent;
  border-radius: var(--agent-radius-sm);
  color: var(--agent-text-secondary);
  cursor: pointer;
  transition: color var(--agent-fast), border-color var(--agent-fast), background var(--agent-fast);
}

.agent-session-item:hover { color: var(--agent-text); background: var(--agent-control-bg); }
.agent-session-item.active { border-color: var(--agent-border-strong); background: var(--agent-orange-soft); }
.agent-session-item-title { min-width: 0; overflow: hidden; font-size: 0.77rem; font-weight: 560; text-overflow: ellipsis; white-space: nowrap; }
.agent-session-item-time { grid-column: 1; color: var(--agent-text-muted); font-size: 0.62rem; }

.agent-session-actions {
  grid-column: 2;
  grid-row: 1 / span 2;
  display: flex;
  align-items: center;
  gap: 0.08rem;
  opacity: 0;
  transition: opacity var(--agent-fast);
}

.agent-session-item:hover .agent-session-actions,
.agent-session-item:focus-within .agent-session-actions { opacity: 1; }

.agent-session-action {
  width: 24px;
  height: 24px;
  padding: 0;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--agent-text-muted);
  cursor: pointer;
  font-size: 0.68rem;
}

.agent-session-action:hover { color: var(--agent-text); background: var(--agent-control-hover); }
.agent-session-action.pinned { color: var(--agent-orange); }
.agent-session-action.delete:hover { color: var(--agent-danger); background: rgba(240, 106, 106, 0.1); }

.agent-rename-input {
  width: 100%;
  min-width: 0;
  min-height: 30px;
  padding: 0.3rem 0.42rem;
  border: 1px solid var(--agent-border-strong);
  border-radius: 6px;
  background: var(--agent-surface-1);
  color: var(--agent-text);
  font: inherit;
  font-size: 0.76rem;
  outline: 0;
}

.agent-sidebar-footer {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.65rem;
  border-top: 1px solid var(--agent-border);
}

.agent-sidebar-link {
  min-height: 38px;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.45rem 0.65rem;
  border: 1px solid transparent;
  border-radius: var(--agent-radius-sm);
  background: transparent;
  color: var(--agent-text-muted);
  cursor: pointer;
  font: inherit;
  font-size: 0.74rem;
  text-align: left;
}

.agent-sidebar-link:hover { color: var(--agent-text); border-color: var(--agent-border); background: var(--agent-control-bg); }

#agent-view.agent-home-mode .agent-sidebar,
#agent-view.agent-sidebar-collapsed .agent-sidebar {
  width: 76px;
  min-width: 76px;
}

#agent-view.agent-home-mode .agent-sidebar-header,
#agent-view.agent-sidebar-collapsed .agent-sidebar-header { justify-content: center; padding-inline: 0.6rem; }
#agent-view.agent-home-mode .agent-sidebar-brand-copy,
#agent-view.agent-home-mode .agent-session-section,
#agent-view.agent-home-mode .agent-nav-label,
#agent-view.agent-sidebar-collapsed .agent-sidebar-brand-copy,
#agent-view.agent-sidebar-collapsed .agent-session-section,
#agent-view.agent-sidebar-collapsed .agent-nav-label { display: none; }
#agent-view.agent-home-mode .agent-sidebar-toggle,
#agent-view.agent-sidebar-collapsed .agent-sidebar-toggle { background: var(--agent-control-bg); }
#agent-view.agent-home-mode .agent-new-btn,
#agent-view.agent-sidebar-collapsed .agent-new-btn { width: 44px; min-height: 44px; margin-inline: auto; padding: 0; font-size: 1.05rem; }
#agent-view.agent-home-mode .agent-sidebar-footer,
#agent-view.agent-sidebar-collapsed .agent-sidebar-footer { align-items: center; }
#agent-view.agent-home-mode .agent-sidebar-link,
#agent-view.agent-sidebar-collapsed .agent-sidebar-link { width: 42px; justify-content: center; padding: 0; font-size: 0.9rem; }

#agent-view.agent-home-mode:not(.agent-sidebar-expanded) .agent-sidebar-brand { display: none; }

@media (min-width: 821px) {
  #agent-view.agent-sidebar-collapsed .agent-sidebar-brand { display: none; }
}

#agent-view.agent-home-mode.agent-sidebar-expanded .agent-sidebar {
  width: 252px;
  min-width: 252px;
}

#agent-view.agent-home-mode.agent-sidebar-expanded .agent-sidebar-header { justify-content: space-between; padding: 0.85rem 0.8rem 0.75rem 1rem; }
#agent-view.agent-home-mode.agent-sidebar-expanded .agent-sidebar-brand-copy,
#agent-view.agent-home-mode.agent-sidebar-expanded .agent-session-section,
#agent-view.agent-home-mode.agent-sidebar-expanded .agent-nav-label { display: flex; }
#agent-view.agent-home-mode.agent-sidebar-expanded .agent-sidebar-toggle { background: transparent; }
#agent-view.agent-home-mode.agent-sidebar-expanded .agent-new-btn { width: auto; min-height: 42px; margin: 0.85rem; padding: 0.55rem 0.8rem; font-size: 0.78rem; }
#agent-view.agent-home-mode.agent-sidebar-expanded .agent-sidebar-footer { align-items: stretch; }
#agent-view.agent-home-mode.agent-sidebar-expanded .agent-sidebar-link { width: auto; justify-content: flex-start; padding: 0.45rem 0.65rem; font-size: 0.74rem; }

/* 主工作区 */
.agent-main {
  position: relative;
  min-width: 0;
  flex: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.agent-task-bar {
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--agent-border);
  background: var(--agent-toolbar-bg);
  backdrop-filter: blur(18px);
}

.agent-task-bar-left,
.agent-task-bar-actions { display: flex; align-items: center; gap: 0.65rem; min-width: 0; }
.agent-task-title-wrap { min-width: 0; display: flex; flex-direction: column; gap: 0.12rem; }
.agent-task-title-wrap strong { max-width: min(48vw, 620px); overflow: hidden; font-size: 0.83rem; font-weight: 680; text-overflow: ellipsis; white-space: nowrap; }
.agent-task-title-wrap span { max-width: min(48vw, 620px); overflow: hidden; color: var(--agent-text-muted); font-size: 0.65rem; text-overflow: ellipsis; white-space: nowrap; }

.agent-run-status {
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.55rem;
  border: 1px solid var(--agent-border);
  border-radius: 999px;
  background: var(--agent-control-bg);
  color: var(--agent-text-muted);
  font-size: 0.64rem;
  white-space: nowrap;
}

.agent-run-status i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 3px rgba(133, 139, 152, 0.1);
}

.agent-run-status[data-status="thinking"],
.agent-run-status[data-status="planning"],
.agent-run-status[data-status="running"] { color: var(--agent-text); border-color: var(--agent-border-strong); background: var(--agent-orange-soft); }
.agent-run-status[data-status="running"] i { animation: agentStatusPulse 1.3s ease-in-out infinite; }
.agent-run-status[data-status="success"] { color: var(--agent-mint); border-color: rgba(160, 240, 224, 0.2); background: var(--agent-mint-soft); }
.agent-run-status[data-status="waiting"] { color: var(--agent-mauve); border-color: color-mix(in srgb, var(--agent-mauve) 32%, transparent); background: var(--agent-mauve-soft); }
.agent-run-status[data-status="error"] { color: var(--agent-danger); border-color: rgba(240, 106, 106, 0.25); background: rgba(240, 106, 106, 0.09); }

@keyframes agentStatusPulse {
  0%, 100% { opacity: 0.45; transform: scale(0.82); }
  50% { opacity: 1; transform: scale(1.08); }
}

.agent-stage {
  min-height: 0;
  flex: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 324px;
  overflow: hidden;
}

.agent-thread {
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.agent-welcome {
  display: none;
  width: min(760px, 100%);
  margin: 0 auto;
  padding: 0 1rem;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.agent-main.is-empty .agent-stage { grid-template-columns: minmax(0, 1fr); }
.agent-main.is-empty .agent-context { display: none; }
.agent-main.is-empty #agent-task-signal { display: none; }
.agent-main.is-empty .agent-thread { justify-content: center; overflow-y: auto; padding: clamp(1.5rem, 5vh, 4.2rem) 1.25rem; }
.agent-main.is-empty .agent-welcome { display: flex; }
.agent-main.is-empty .agent-messages { display: none; }

.agent-welcome-eyebrow,
.agent-context-eyebrow {
  color: var(--agent-orange);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.19em;
}

.agent-welcome-eyebrow::before {
  content: '//';
  margin-right: 0.42rem;
  color: var(--agent-text-muted);
  letter-spacing: -0.1em;
}

.agent-welcome h1 {
  position: relative;
  margin: 0.7rem 0 0.6rem;
  padding-bottom: 0.16em;
  font-size: clamp(2rem, 4.8vw, 4.15rem);
  font-weight: 760;
  letter-spacing: -0.055em;
  line-height: 1.06;
}

.agent-welcome h1::after {
  content: '';
  position: absolute;
  left: 7%;
  right: 4%;
  bottom: 0;
  height: 0.08em;
  background: linear-gradient(90deg, var(--agent-orange) 0 31%, transparent 31% 37%, var(--agent-mauve) 37% 74%, transparent 74% 80%, rgba(160, 240, 224, 0.7) 80% 100%);
  opacity: 0.82;
  transform: skewX(-18deg) rotate(-0.8deg);
}

.agent-welcome p {
  max-width: 600px;
  margin: 0;
  color: var(--agent-text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.agent-v3-onboarding {
  width: min(760px, 100%);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.55rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  text-align: left;
}

.agent-v3-onboarding li {
  min-width: 0;
  display: grid;
  grid-template-columns: 1.8rem minmax(0, 1fr);
  gap: 0.55rem;
  padding: 0.65rem;
  border: 1px solid var(--agent-border);
  border-radius: var(--agent-radius-md);
  background: color-mix(in srgb, var(--agent-surface-2) 58%, transparent);
}

.agent-v3-onboarding i {
  color: var(--agent-mauve);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.62rem;
  font-style: normal;
  letter-spacing: 0.08em;
}

.agent-v3-onboarding span,
.agent-v3-onboarding strong,
.agent-v3-onboarding small {
  min-width: 0;
  display: block;
}

.agent-v3-onboarding strong {
  color: var(--agent-text-secondary);
  font-size: 0.69rem;
}

.agent-v3-onboarding small {
  margin-top: 0.2rem;
  color: var(--agent-text-muted);
  font-size: 0.58rem;
  line-height: 1.45;
}

/* 消息与任务事件 */
.agent-messages {
  min-height: 0;
  flex: 1;
  overflow-y: auto;
  padding: 2rem clamp(1rem, 4vw, 3.2rem) 1.4rem;
  scroll-behavior: smooth;
}

.agent-msg {
  width: min(920px, 100%);
  margin: 0 auto 1.25rem;
  animation: agentMessageIn var(--agent-motion) both;
  word-break: break-word;
}

@keyframes agentMessageIn {
  from { opacity: 0; transform: translateY(7px); }
  to { opacity: 1; transform: translateY(0); }
}

.agent-msg-user-bubble {
  position: relative;
  width: fit-content;
  min-width: min(220px, 100%);
  max-width: min(760px, 88%);
  margin-left: auto;
  padding: 0.8rem 0.95rem;
  border: 1px solid color-mix(in srgb, var(--agent-mauve) 28%, transparent);
  border-radius: 16px 16px 5px 16px;
  background: var(--agent-user-bg);
  color: var(--agent-text);
  font-size: 0.86rem;
  line-height: 1.62;
}

.agent-message-label {
  display: block;
  margin: 0;
  color: var(--agent-mauve);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.agent-message-header {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.42rem;
}

.agent-message-header .agent-message-copy {
  flex: 0 0 auto;
  float: none;
  margin: 0;
}

.agent-user-message-text { white-space: pre-wrap; }

.agent-user-assets {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(118px, 160px));
  gap: 0.5rem;
  margin-bottom: 0.6rem;
}

.agent-user-asset {
  position: relative;
  min-height: 72px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--agent-radius-sm);
  background: var(--agent-card-bg);
}

.agent-user-asset img { width: 100%; height: 94px; display: block; object-fit: cover; cursor: zoom-in; }
.agent-user-asset span { position: absolute; left: 0.35rem; bottom: 0.35rem; max-width: calc(100% - 0.7rem); overflow: hidden; padding: 0.18rem 0.34rem; border-radius: 4px; background: rgba(13, 13, 15, 0.8); color: #e5d7de; font-size: 0.58rem; text-overflow: ellipsis; white-space: nowrap; backdrop-filter: blur(8px); }

.agent-msg-assistant-bubble {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 0.8rem;
  align-items: start;
}

.agent-response-mark {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--agent-border-strong);
  border-radius: 11px;
  background: var(--agent-orange-soft);
  color: var(--agent-orange);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.63rem;
  font-weight: 800;
}

.agent-response-body {
  position: relative;
  min-width: 0;
  padding: 0.85rem 1rem;
  border: 1px solid var(--agent-border);
  border-radius: 5px 16px 16px 16px;
  background: var(--agent-panel-bg);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.16);
  color: var(--agent-text-secondary);
  font-size: 0.86rem;
  line-height: 1.68;
}

.agent-response-body a { color: var(--agent-text); text-decoration: underline; text-underline-offset: 2px; }
.agent-response-body code { padding: 0.14em 0.36em; border-radius: 4px; background: var(--agent-orange-soft); color: var(--agent-text-secondary); font-size: 0.84em; }
.agent-response-body pre { margin: 0.65rem 0; padding: 0.75rem; overflow-x: auto; border: 1px solid var(--agent-border); border-radius: var(--agent-radius-sm); background: var(--agent-code-bg); color: var(--agent-code-text); }
.agent-response-body pre code { padding: 0; background: transparent; color: inherit; }
.agent-response-body img { max-width: 100%; display: block; margin: 0.65rem 0; border-radius: var(--agent-radius-md); cursor: zoom-in; }

.agent-copy-btn {
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  padding: 0.26rem 0.45rem;
  border: 1px solid var(--agent-border);
  border-radius: 7px;
  background: var(--agent-control-bg);
  color: var(--agent-text-muted);
  cursor: pointer;
  font: inherit;
  font-size: 0.62rem;
  line-height: 1;
  transition: color var(--agent-fast), border-color var(--agent-fast), background var(--agent-fast);
}

.agent-copy-btn:hover { color: var(--agent-text); border-color: var(--agent-border-strong); background: var(--agent-control-hover); }
.agent-copy-btn:disabled { cursor: default; color: var(--agent-mint); }
.agent-copy-btn svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.6; }
.agent-message-copy { position: relative; z-index: 1; float: right; margin: -0.12rem -0.16rem 0.35rem 0.75rem; }

.agent-conversation-decision-card {
  clear: both;
  display: grid;
  gap: 0.7rem;
  margin-top: 0.85rem;
}

.agent-decision-heading,
.agent-decision-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.agent-decision-heading {
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--agent-border);
  border-radius: var(--agent-radius-sm);
  background: var(--agent-control-bg);
}

.agent-decision-heading div { display: grid; gap: 0.16rem; }
.agent-decision-heading span,
.agent-decision-heading small { color: var(--agent-text-muted); font-size: 0.62rem; }
.agent-decision-heading strong { color: var(--agent-text); font-size: 0.76rem; }

.agent-decision-actions {
  justify-content: flex-end;
  padding-top: 0.1rem;
}

.agent-decision-actions button {
  min-height: 38px;
  padding: 0.55rem 0.8rem;
  border: 1px solid color-mix(in srgb, var(--brand-accent) 35%, transparent);
  border-radius: var(--agent-radius-sm);
  background: var(--brand-accent);
  color: var(--brand-ink);
  cursor: pointer;
  font: inherit;
  font-size: 0.7rem;
  font-weight: 700;
}

.agent-decision-actions button.secondary {
  border-color: var(--agent-border);
  background: var(--agent-control-bg);
  color: var(--agent-text-secondary);
}

.agent-decision-state {
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--agent-border);
  border-radius: var(--agent-radius-sm);
  color: var(--agent-text-muted);
  font-size: 0.68rem;
}

.agent-code-block {
  clear: both;
  margin: 0.7rem 0;
  overflow: hidden;
  border: 1px solid var(--agent-border);
  border-radius: var(--agent-radius-sm);
  background: var(--agent-code-bg);
}

.agent-code-toolbar { min-height: 36px; display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; padding: 0.3rem 0.4rem 0.3rem 0.7rem; border-bottom: 1px solid var(--agent-border); color: var(--agent-text-muted); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 0.58rem; }
.agent-code-block .agent-code-copy { float: none; margin: 0; font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; }
.agent-response-body .agent-code-block pre { margin: 0; border: 0; border-radius: 0; }

.agent-loading {
  width: min(920px, 100%);
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0 auto 1rem;
  color: var(--agent-text-muted);
  font-size: 0.74rem;
}

.agent-loading-trace { width: 72px; height: 2px; overflow: hidden; border-radius: 999px; background: var(--agent-control-hover); }
.agent-loading-trace::after { content: ''; display: block; width: 42%; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--agent-mauve), var(--agent-orange)); animation: agentTrace 1.15s ease-in-out infinite; }
@keyframes agentTrace { from { transform: translateX(-110%); } to { transform: translateX(260%); } }

.agent-service-notice {
  margin-top: 0.7rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid rgba(240, 106, 106, 0.18);
  border-radius: var(--agent-radius-sm);
  background: rgba(240, 106, 106, 0.07);
  color: #f2b0b0;
  font-size: 0.75rem;
}

.agent-result-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0.75rem; margin-top: 0.85rem; }
.agent-result-card { min-width: 0; overflow: hidden; border: 1px solid var(--agent-border); border-radius: var(--agent-radius-md); background: var(--agent-card-bg); }
.agent-result-card .result-image { width: 100%; max-height: 480px; display: block; object-fit: contain; background: #0c0c0e; cursor: zoom-in; }
.agent-result-card-body { padding: 0.75rem; }
.agent-result-card-body strong { display: block; margin-bottom: 0.18rem; color: var(--agent-text); font-size: 0.78rem; }
.agent-result-card-body p { margin: 0; color: var(--agent-text-muted); font-size: 0.67rem; }
.agent-result-card-body small { display: block; margin-top: 0.45rem; color: var(--agent-text-muted); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 0.56rem; overflow-wrap: anywhere; }
.agent-workflow-card { border-color: color-mix(in srgb, var(--agent-mint) 28%, var(--agent-border)); }
.agent-workflow-parameters { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.35rem; margin: 0.65rem 0 0; }
.agent-workflow-parameters > div { min-width: 0; padding: 0.45rem 0.5rem; border: 1px solid var(--agent-border); border-radius: var(--agent-radius-sm); background: var(--agent-surface-1); }
.agent-workflow-parameters dt { color: var(--agent-text-muted); font-size: 0.58rem; }
.agent-workflow-parameters dd { margin: 0.16rem 0 0; overflow-wrap: anywhere; color: var(--agent-text-secondary); font-size: 0.64rem; font-weight: 650; }
.agent-result-card-body .agent-workflow-warning { margin-top: 0.55rem; padding: 0.5rem; border-radius: var(--agent-radius-sm); background: var(--agent-orange-soft); color: var(--agent-text-secondary); line-height: 1.5; }
.agent-semantic-draft { margin-top: 0.65rem; border: 1px solid var(--agent-border); border-radius: var(--agent-radius-sm); background: var(--agent-surface-1); }
.agent-semantic-draft summary { padding: 0.55rem 0.65rem; color: var(--agent-text-secondary); cursor: pointer; font-size: 0.66rem; font-weight: 680; }
.agent-semantic-draft ol { max-height: 360px; margin: 0; padding: 0 0.65rem 0.65rem 2.2rem; overflow-y: auto; }
.agent-semantic-draft li { padding: 0.5rem 0.2rem; border-top: 1px solid var(--agent-border); color: var(--agent-text-muted); font-size: 0.62rem; }
.agent-semantic-draft li strong,
.agent-semantic-draft li span,
.agent-semantic-draft li em,
.agent-semantic-draft li small { display: block; margin: 0; }
.agent-semantic-draft li strong { color: var(--agent-text-secondary); font-size: 0.66rem; }
.agent-semantic-draft li span { margin-top: 0.24rem; line-height: 1.5; }
.agent-semantic-draft li em { margin-top: 0.24rem; color: var(--agent-text); font-style: normal; line-height: 1.45; }
.agent-semantic-draft li small { margin-top: 0.3rem; color: var(--agent-mauve); }
.agent-result-card-text { grid-column: 1 / -1; }
.agent-result-text { max-height: 32rem; overflow: auto; color: var(--agent-text-secondary); font-size: 0.74rem; line-height: 1.75; white-space: normal; }
.agent-result-actions { display: flex; gap: 0.4rem; padding: 0 0.75rem 0.75rem; }
.agent-result-actions button { min-height: 32px; display: inline-flex; align-items: center; justify-content: center; flex: 1; padding: 0.35rem 0.55rem; border: 1px solid var(--agent-border); border-radius: 7px; background: var(--agent-control-bg); color: var(--agent-text-secondary); cursor: pointer; font: inherit; font-size: 0.68rem; }
.agent-result-actions button:hover { color: var(--agent-text); border-color: var(--agent-border-strong); background: var(--agent-orange-soft); }
.agent-result-actions button:disabled { cursor: default; color: var(--agent-mint); border-color: rgba(126, 211, 193, 0.28); background: rgba(126, 211, 193, 0.08); }

/* 输入与素材 */
.agent-input-area {
  flex: 0 0 auto;
  padding: 0.85rem clamp(1rem, 4vw, 3.2rem) 1rem;
  border-top: 1px solid var(--agent-border);
  background: var(--agent-input-area-bg);
}

.agent-main.is-empty .agent-input-area {
  width: min(860px, 100%);
  margin: 1.55rem auto 0;
  padding: 0;
  border: 0;
  background: transparent;
}

.agent-composer {
  width: min(920px, 100%);
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid var(--agent-border);
  border-radius: var(--agent-radius-lg);
  background: var(--agent-composer-bg);
  box-shadow: 0 18px 52px rgba(0, 0, 0, 0.28), 0 0 0 1px rgba(155, 117, 136, 0.035);
  transition: border-color var(--agent-motion), box-shadow var(--agent-motion), transform var(--agent-motion);
}

.agent-main.is-empty .agent-composer { box-shadow: var(--agent-shadow), 0 0 42px rgba(155, 117, 136, 0.075); }
.agent-composer:focus-within { border-color: var(--agent-border-strong); box-shadow: var(--agent-shadow), 0 0 0 3px var(--agent-orange-soft); }

.agent-composer textarea {
  width: 100%;
  min-height: 58px;
  max-height: 180px;
  display: block;
  resize: none;
  padding: 0.95rem 1rem 0.55rem;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--agent-text);
  font: inherit;
  font-size: 0.9rem;
  line-height: 1.6;
}

.agent-main.is-empty .agent-composer textarea { min-height: 82px; font-size: 0.96rem; }
.agent-composer textarea::placeholder { color: var(--agent-text-muted); }
.agent-composer textarea:disabled { cursor: not-allowed; }
#agent-view.agent-v3-disabled .agent-composer { opacity: 0.72; }

.agent-composer-footer {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  padding: 0.4rem 0.45rem 0.45rem 0.7rem;
}

.agent-composer-tools { min-width: 0; display: flex; align-items: center; gap: 0.75rem; }

.agent-file-btn {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  gap: 0.32rem;
  padding: 0.35rem 0.55rem;
  border: 1px solid var(--agent-border);
  border-radius: var(--agent-radius-sm);
  background: var(--agent-control-bg);
  color: var(--agent-text-secondary);
  cursor: pointer;
  font: inherit;
  font-size: 0.7rem;
}

.agent-file-btn:hover { color: var(--agent-text); border-color: rgba(155, 117, 136, 0.34); background: var(--agent-mauve-soft); }
.agent-composer-hint { overflow: hidden; color: var(--agent-text-muted); font-size: 0.61rem; text-overflow: ellipsis; white-space: nowrap; }

.agent-send-btn {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.42rem;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--agent-orange);
  border-radius: 10px;
  background: var(--agent-orange);
  color: #17120c;
  cursor: pointer;
  font: inherit;
  font-size: 0.72rem;
  font-weight: 760;
  transition: background var(--agent-fast), transform var(--agent-fast), opacity var(--agent-fast);
}

.agent-send-btn:hover { background: #bdbdbd; transform: translateY(-1px); }
.agent-send-btn:active { transform: translateY(1px); }
.agent-send-btn:disabled { cursor: not-allowed; opacity: 0.48; transform: none; }

.agent-file-preview {
  width: min(920px, 100%);
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 0.5rem;
  margin: 0 auto 0.55rem;
}

.agent-asset-chip {
  min-width: 0;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) 24px;
  align-items: center;
  gap: 0.55rem;
  padding: 0.42rem;
  border: 1px solid var(--agent-border);
  border-radius: var(--agent-radius-md);
  background: var(--agent-panel-bg);
}

.agent-asset-thumb { width: 46px; height: 46px; display: flex; align-items: center; justify-content: center; overflow: hidden; border-radius: 8px; background: var(--agent-mauve-soft); color: var(--agent-mauve); font-size: 0.9rem; }
.agent-asset-thumb img { width: 100%; height: 100%; object-fit: cover; }
.agent-asset-copy { min-width: 0; display: flex; flex-direction: column; gap: 0.22rem; }
.agent-asset-copy strong { overflow: hidden; color: var(--agent-text-secondary); font-size: 0.68rem; font-weight: 620; text-overflow: ellipsis; white-space: nowrap; }
.agent-asset-role { width: 100%; min-height: 24px; padding: 0.12rem 1.2rem 0.12rem 0.32rem; border: 1px solid var(--agent-border); border-radius: 5px; background-color: var(--agent-surface-1); color: var(--agent-text-muted); font: inherit; font-size: 0.58rem; }
.agent-asset-remove { width: 24px; height: 24px; padding: 0; border: 0; border-radius: 6px; background: transparent; color: var(--agent-text-muted); cursor: pointer; }
.agent-asset-remove:hover { color: var(--agent-danger); background: rgba(240, 106, 106, 0.09); }
.agent-upload-state { color: var(--agent-text-muted); font-size: 0.56rem; }
.agent-upload-state.ready { color: var(--agent-mint); }
.agent-upload-state.error { color: var(--agent-danger); }

.agent-welcome-suggestions { width: min(860px, 100%); display: none; margin: 1rem auto 0; }
.agent-main.is-empty .agent-welcome-suggestions { display: block; }
.agent-welcome-suggestions > span { display: block; margin-bottom: 0.5rem; color: var(--agent-text-muted); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 0.6rem; letter-spacing: 0.12em; text-transform: uppercase; }
.agent-starter-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.55rem; }
.agent-welcome-suggestion { min-width: 0; min-height: 76px; display: flex; flex-direction: column; align-items: flex-start; gap: 0.25rem; padding: 0.7rem 0.75rem; border: 1px solid var(--agent-border); border-radius: var(--agent-radius-md); background: var(--agent-control-bg); color: var(--agent-text-secondary); cursor: pointer; font: inherit; text-align: left; transition: color var(--agent-fast), border-color var(--agent-fast), background var(--agent-fast), transform var(--agent-fast); }
.agent-welcome-suggestion strong { font-size: 0.72rem; font-weight: 650; }
.agent-welcome-suggestion small { color: var(--agent-text-muted); font-size: 0.6rem; line-height: 1.45; }
.agent-welcome-suggestion:hover { color: var(--agent-text); border-color: rgba(155, 117, 136, 0.32); background: var(--agent-mauve-soft); transform: translateY(-2px); }
.agent-welcome-suggestion.is-selected { color: var(--agent-text); border-color: color-mix(in srgb, var(--agent-mint) 58%, var(--agent-border)); background: color-mix(in srgb, var(--agent-mint) 10%, var(--agent-surface-1)); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--agent-mint) 18%, transparent); }

.agent-composer-meta { width: min(860px, 100%); display: none; align-items: center; justify-content: space-between; gap: 1rem; margin: 0.65rem auto 0; color: var(--agent-text-muted); font-size: 0.58rem; }
.agent-main.is-empty .agent-composer-meta { display: flex; }
.agent-composer-meta span:first-child { display: inline-flex; align-items: center; gap: 0.35rem; }
.agent-composer-meta i { width: 5px; height: 5px; border-radius: 50%; background: var(--agent-mint); box-shadow: 0 0 0 3px rgba(160, 240, 224, 0.08); }
.agent-composer-meta b { font: inherit; font-weight: 650; }
#agent-v3-availability[data-enabled="false"] { color: var(--agent-danger); }
#agent-v3-availability[data-enabled="false"] i { background: var(--agent-danger); box-shadow: none; }

.agent-main.drag-over::after {
  content: '把素材放在这里';
  position: absolute;
  z-index: 30;
  inset: 74px 1rem 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed rgba(242, 242, 242, 0.72);
  border-radius: var(--agent-radius-lg);
  background: color-mix(in srgb, var(--agent-surface-1) 92%, transparent);
  color: var(--agent-text);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  pointer-events: none;
  backdrop-filter: blur(18px);
}

/* 右侧上下文 */
.agent-context {
  min-width: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-left: 1px solid var(--agent-border);
  background: var(--agent-context-bg);
  backdrop-filter: blur(20px);
}

.agent-context-header {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  padding: 0.7rem 0.9rem 0.6rem 1rem;
  border-bottom: 1px solid var(--agent-border);
}

.agent-context-header > div { min-width: 0; display: flex; flex-direction: column; gap: 0.2rem; }
.agent-context-header strong { font-size: 0.79rem; }
.agent-context-eyebrow { color: var(--agent-mauve); font-size: 0.52rem; }
#agent-context-close { display: none; }

.agent-context-tabs { display: grid; grid-template-columns: repeat(3, 1fr); padding: 0.45rem 0.55rem 0; border-bottom: 1px solid var(--agent-border); }
.agent-context-tab { position: relative; min-height: 38px; padding: 0.35rem; border: 0; background: transparent; color: var(--agent-text-muted); cursor: pointer; font: inherit; font-size: 0.68rem; }
.agent-context-tab::after { content: ''; position: absolute; left: 18%; right: 18%; bottom: -1px; height: 2px; border-radius: 999px; background: var(--agent-orange); opacity: 0; transform: scaleX(0.45); transition: opacity var(--agent-fast), transform var(--agent-fast); }
.agent-context-tab:hover { color: var(--agent-text-secondary); }
.agent-context-tab.active { color: var(--agent-text); }
.agent-context-tab.active::after { opacity: 1; transform: scaleX(1); }
.agent-context-tab span { min-width: 16px; display: inline-flex; justify-content: center; margin-left: 0.12rem; padding: 0.06rem 0.22rem; border-radius: 999px; background: var(--agent-control-hover); color: var(--agent-text-muted); font-size: 0.55rem; }

.agent-context-body { min-height: 0; flex: 1; overflow-y: auto; padding: 0.8rem; }
.agent-context-panel { display: none; }
.agent-context-panel.active { display: block; animation: agentContextIn var(--agent-motion) both; }
@keyframes agentContextIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }

.agent-run-summary { padding: 0.75rem; border: 1px solid var(--agent-border); border-radius: var(--agent-radius-md); background: linear-gradient(145deg, rgba(155, 117, 136, 0.09), rgba(242, 242, 242, 0.035)); }
.agent-run-summary > span { display: block; margin-bottom: 0.32rem; color: var(--agent-mauve); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 0.54rem; letter-spacing: 0.09em; text-transform: uppercase; }
.agent-run-summary strong { display: block; color: var(--agent-text); font-size: 0.76rem; line-height: 1.45; }
.agent-run-summary p { margin: 0.32rem 0 0; color: var(--agent-text-muted); font-size: 0.63rem; line-height: 1.5; }

.agent-plan-list { position: relative; margin: 0.8rem 0 0; padding: 0; list-style: none; counter-reset: agent-plan; }
.agent-plan-list::before { content: ''; position: absolute; left: 11px; top: 17px; bottom: 18px; width: 1px; background: linear-gradient(var(--agent-orange), rgba(155, 117, 136, 0.32) 55%, rgba(255, 255, 255, 0.07)); }
.agent-plan-step { position: relative; display: grid; grid-template-columns: 24px minmax(0, 1fr); gap: 0.55rem; padding: 0.42rem 0; counter-increment: agent-plan; }
.agent-plan-node { position: relative; z-index: 1; width: 23px; height: 23px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--agent-border); border-radius: 50%; background: var(--agent-surface-1); color: var(--agent-text-muted); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 0.55rem; }
.agent-plan-node::before { content: counter(agent-plan); }
.agent-plan-copy { min-width: 0; padding-top: 0.05rem; }
.agent-plan-copy strong { display: block; color: var(--agent-text-secondary); font-size: 0.69rem; font-weight: 620; }
.agent-plan-copy span { display: block; margin-top: 0.16rem; color: var(--agent-text-muted); font-size: 0.58rem; line-height: 1.42; }
.agent-plan-step[data-state="active"] .agent-plan-node { border-color: var(--agent-orange); background: var(--agent-orange-soft); color: var(--agent-orange); box-shadow: 0 0 0 4px rgba(242, 242, 242, 0.055); animation: agentPlanPulse 1.4s ease-in-out infinite; }
.agent-plan-step[data-state="done"] .agent-plan-node { border-color: rgba(160, 240, 224, 0.45); background: var(--agent-mint-soft); color: var(--agent-mint); }
.agent-plan-step[data-state="done"] .agent-plan-node::before { content: '✓'; }
.agent-plan-step[data-state="error"] .agent-plan-node { border-color: rgba(240, 106, 106, 0.52); background: rgba(240, 106, 106, 0.1); color: var(--agent-danger); }
.agent-plan-step[data-state="error"] .agent-plan-node::before { content: '!'; }
.agent-plan-step[data-state="waiting"] .agent-plan-node { border-color: rgba(155, 117, 136, 0.42); color: #c6a9b8; }
.agent-plan-step[data-state="active"] .agent-plan-copy strong { color: var(--agent-text); }
@keyframes agentPlanPulse { 0%, 100% { box-shadow: 0 0 0 3px rgba(242, 242, 242, 0.04); } 50% { box-shadow: 0 0 0 6px rgba(242, 242, 242, 0.09); } }

.agent-context-empty { min-height: 170px; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 1.2rem 0.8rem; color: var(--agent-text-muted); text-align: center; }
.agent-context-empty > span { width: 34px; height: 34px; display: flex; align-items: center; justify-content: center; margin-bottom: 0.55rem; border: 1px solid var(--agent-border); border-radius: 10px; color: var(--agent-mauve); }
.agent-context-empty strong { color: var(--agent-text-secondary); font-size: 0.72rem; }
.agent-context-empty p { max-width: 220px; margin: 0.3rem 0 0; font-size: 0.61rem; line-height: 1.5; }

.agent-asset-list { display: flex; flex-direction: column; gap: 0.5rem; }
.agent-context-asset { display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 0.6rem; padding: 0.5rem; border: 1px solid var(--agent-border); border-radius: var(--agent-radius-md); background: var(--agent-control-bg); }
.agent-context-asset-thumb { width: 52px; height: 52px; display: flex; align-items: center; justify-content: center; overflow: hidden; border-radius: 8px; background: var(--agent-mauve-soft); color: #c6a9b8; }
.agent-context-asset-thumb img { width: 100%; height: 100%; object-fit: cover; }
.agent-context-asset-copy { min-width: 0; display: flex; flex-direction: column; gap: 0.2rem; justify-content: center; }
.agent-context-asset-copy strong { overflow: hidden; color: var(--agent-text-secondary); font-size: 0.65rem; text-overflow: ellipsis; white-space: nowrap; }
.agent-context-asset-copy span { color: var(--agent-mauve); font-size: 0.57rem; }

.agent-gallery { display: none; }
.agent-gallery.active { display: block; }
.agent-gallery-heading { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.55rem; }
.agent-gallery-heading strong { font-size: 0.72rem; }
.agent-gallery-heading span { color: var(--agent-text-muted); font-size: 0.58rem; }
.agent-gallery-items { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.5rem; }
.agent-gallery-item { position: relative; aspect-ratio: 1; overflow: hidden; border: 1px solid var(--agent-border); border-radius: var(--agent-radius-md); background: var(--agent-surface-2); cursor: pointer; }
.agent-gallery-item:hover { border-color: var(--agent-border-strong); }
.agent-gallery-item img { width: 100%; height: 100%; display: block; object-fit: cover; transition: transform var(--agent-motion); }
.agent-gallery-item:hover img { transform: scale(1.035); }
.agent-gallery-video { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; background: radial-gradient(circle at 50% 42%, rgba(155, 117, 136, 0.2), transparent 52%), var(--agent-surface-2); color: var(--agent-mauve); font-size: 1.2rem; }
.agent-gallery-item .video-badge { position: absolute; right: 0.35rem; bottom: 0.35rem; padding: 0.15rem 0.3rem; border-radius: 4px; background: rgba(13, 13, 15, 0.76); color: var(--agent-text); font-size: 0.55rem; backdrop-filter: blur(8px); }

/* 预览 */
.agent-preview-overlay { position: fixed; z-index: 220; inset: 0; display: none; align-items: center; justify-content: center; padding: 2rem; background: rgba(5, 5, 7, 0.9); backdrop-filter: blur(14px); }
.agent-preview-overlay.active { display: flex; animation: agentSurfaceIn var(--agent-motion) both; }
.agent-preview-overlay img { max-width: min(92vw, 1400px); max-height: 90vh; border: 1px solid var(--agent-border); border-radius: var(--agent-radius-md); box-shadow: var(--agent-shadow); }
.agent-preview-close { position: absolute; top: 1rem; right: 1rem; width: 38px; height: 38px; border: 1px solid rgba(255, 255, 255, 0.13); border-radius: 10px; background: rgba(255, 255, 255, 0.06); color: #fff; cursor: pointer; font-size: 1.1rem; }

.agent-mobile-only { display: none; }

@media (max-width: 1100px) {
  .agent-stage { grid-template-columns: minmax(0, 1fr); position: relative; }
  .agent-context { position: absolute; z-index: 15; top: 0; right: 0; bottom: 0; width: min(360px, 92vw); transform: translateX(105%); transition: transform var(--agent-motion); box-shadow: -24px 0 60px rgba(0, 0, 0, 0.34); }
  .agent-main.context-open .agent-context { transform: translateX(0); }
  #agent-context-close { display: inline-flex; }
}

@media (max-width: 820px) {
  .agent-mobile-only { display: inline-flex; }
  .agent-sidebar,
  #agent-view.agent-home-mode .agent-sidebar,
  #agent-view.agent-sidebar-collapsed .agent-sidebar { position: absolute; z-index: 25; width: min(286px, 88vw); min-width: min(286px, 88vw); transform: translateX(-105%); box-shadow: 24px 0 60px rgba(0, 0, 0, 0.38); }
  #agent-view.mobile-sidebar-open .agent-sidebar { transform: translateX(0); }
  #agent-view.agent-home-mode.mobile-sidebar-open .agent-sidebar-brand,
  #agent-view.agent-sidebar-collapsed.mobile-sidebar-open .agent-sidebar-brand { display: flex; }
  #agent-view.agent-home-mode .agent-sidebar-brand-copy,
  #agent-view.agent-home-mode .agent-session-section,
  #agent-view.agent-home-mode .agent-nav-label,
  #agent-view.agent-sidebar-collapsed .agent-sidebar-brand-copy,
  #agent-view.agent-sidebar-collapsed .agent-session-section,
  #agent-view.agent-sidebar-collapsed .agent-nav-label { display: flex; }
  #agent-view.agent-home-mode .agent-sidebar-toggle,
  #agent-view.agent-sidebar-collapsed .agent-sidebar-toggle { background: var(--agent-control-bg); }
  #agent-view.agent-home-mode .agent-new-btn,
  #agent-view.agent-sidebar-collapsed .agent-new-btn { width: auto; min-height: 42px; margin: 0.85rem; padding: 0.55rem 0.8rem; font-size: 0.78rem; }
  #agent-view.agent-home-mode .agent-sidebar-footer,
  #agent-view.agent-sidebar-collapsed .agent-sidebar-footer { align-items: stretch; }
  #agent-view.agent-home-mode .agent-sidebar-link,
  #agent-view.agent-sidebar-collapsed .agent-sidebar-link { width: auto; justify-content: flex-start; padding: 0.45rem 0.65rem; font-size: 0.74rem; }
  .agent-task-title-wrap span { display: none; }
  .agent-main.is-empty .agent-thread { padding-inline: 1rem; }
}

@media (max-width: 620px) {
  .agent-task-bar { min-height: 56px; padding-inline: 0.65rem; }
  .agent-task-bar-left { gap: 0.45rem; }
  .agent-task-bar-actions { gap: 0.35rem; }
  .agent-task-title-wrap strong { max-width: 32vw; }
  .agent-run-status span { display: none; }
  .agent-run-status { width: 30px; min-height: 30px; justify-content: center; padding: 0; }
  .agent-main.is-empty .agent-thread { justify-content: flex-start; padding: 2.2rem 0.75rem 1.2rem; }
  .agent-welcome { padding-inline: 0.5rem; }
  .agent-signal-mark-hero { --agent-mark-size: 62px; margin-bottom: 0.9rem; }
  .agent-welcome h1 { font-size: clamp(1.85rem, 10vw, 2.75rem); letter-spacing: -0.045em; }
  .agent-welcome p { font-size: 0.78rem; }
  .agent-v3-onboarding { grid-template-columns: 1fr; gap: 0.4rem; margin-top: 0.8rem; }
  .agent-v3-onboarding li { padding: 0.5rem 0.6rem; }
  .agent-main.is-empty .agent-input-area { margin-top: 1.2rem; }
  .agent-main.is-empty .agent-composer textarea { min-height: 70px; font-size: 0.86rem; }
  .agent-composer-hint { display: none; }
  .agent-send-btn { width: auto; padding: 0.45rem 0.7rem; }
  .agent-send-btn span:first-child { display: inline; }
  .agent-send-btn span:last-child { display: none; }
  #agent-view.agent-v3-disabled .agent-send-btn { width: auto; padding: 0.4rem 0.65rem; }
  #agent-view.agent-v3-disabled .agent-send-btn span:first-child { display: inline; }
  #agent-view.agent-v3-disabled .agent-send-btn span:last-child { display: none; }
  .agent-starter-grid { grid-template-columns: 1fr; }
  .agent-welcome-suggestion { min-height: 66px; }
  .agent-composer-meta { display: none !important; }
  .agent-file-preview { grid-template-columns: 1fr; }
  .agent-workflow-parameters { grid-template-columns: 1fr; }
  .agent-direct-fields { grid-template-columns: 1fr; }
  .agent-direct-outputs { grid-template-columns: 1fr; }
  .agent-messages { padding: 1.2rem 0.75rem 1rem; }
  .agent-msg-user-bubble { max-width: 94%; }
  .agent-msg-assistant-bubble { grid-template-columns: 30px minmax(0, 1fr); gap: 0.55rem; }
  .agent-response-mark { width: 30px; height: 30px; border-radius: 9px; }
  .agent-response-body { padding: 0.72rem 0.78rem; font-size: 0.8rem; }
  .agent-input-area { padding: 0.65rem 0.7rem max(0.75rem, env(safe-area-inset-bottom)); }
  .agent-result-grid { grid-template-columns: 1fr; }
  .agent-gallery-items { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (prefers-reduced-motion: reduce) {
  #agent-view *,
  #agent-view *::before,
  #agent-view *::after,
  .top-bar-agent-btn,
  .top-bar-agent-btn * {
    animation-duration: 80ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 80ms !important;
  }
}