/* AI 排版 · 画布 + AI 双列 */

.app.as-app {
  align-items: stretch;
  overflow-x: auto;
  overflow-y: hidden;
  position: relative;
}

.as-greet-upload.upload-zone {
  max-width: none;
  margin: 0;
  width: 100%;
}

.as-greet-row {
  width: min(680px, calc(100vw - 48px));
  margin: 0 auto;
}

.as-greet-row .pip-base-col--aigen {
  flex: 1;
  min-width: 0;
  display: flex;
}

.upload-zone.upload-zone--aigen-only {
  width: 100%;
  margin: 0;
  font: inherit;
  color: inherit;
  text-align: center;
  box-sizing: border-box;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.upload-zone.upload-zone--aigen-only .upload-text {
  margin: 0;
}

.upload-zone.upload-zone--aigen-only:hover {
  border-color: var(--accent, #2563eb);
  color: var(--accent, #2563eb);
}

.as-greet-hint {
  margin-top: 12px;
  text-align: center;
}

.as-preview-stage .preview-greet:not([hidden]) {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 0;
}

/* 选中图片 · 贴图 Tab（图片右侧，fixed 避免被画布层拦截点击） */
.as-pip-tabs {
  position: fixed;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 4px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  pointer-events: auto;
}

.as-pip-tabs[hidden] {
  display: none !important;
}

.as-pip-tab {
  padding: 10px 10px;
  border: none;
  border-radius: 8px;
  background: transparent;
  font-size: 12px;
  font-weight: 600;
  color: #4b5563;
  cursor: pointer;
  white-space: nowrap;
  text-align: left;
}

.as-pip-tab:hover {
  color: var(--accent, #2563eb);
  background: rgba(37, 99, 235, 0.06);
}

.as-pip-tab.is-active {
  color: #fff;
  background: var(--accent, #2563eb);
}

.as-edit-tabs {
  position: fixed;
  z-index: 200;
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  pointer-events: auto;
}

.as-edit-tabs[hidden] {
  display: none !important;
}

.as-edit-tab {
  padding: 6px 14px;
  border: none;
  border-radius: 999px;
  background: transparent;
  font-size: 12px;
  font-weight: 600;
  color: #4b5563;
  cursor: pointer;
  white-space: nowrap;
}

.as-edit-tab:hover {
  color: var(--accent, #2563eb);
  background: rgba(37, 99, 235, 0.06);
}

.as-edit-tab.is-active {
  color: #fff;
  background: var(--accent, #2563eb);
}

/* 左下角浮层：边缘 / 导出 */
.as-float-dock {
  position: fixed;
  left: 16px;
  bottom: 16px;
  z-index: 30;
  width: min(320px, calc(100vw - 32px));
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 8px 32px rgba(15, 23, 42, 0.12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.as-float-dock[hidden] {
  display: none !important;
}

.as-float-dock-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 14px 8px;
  border-bottom: 1px solid var(--border);
}

.as-float-dock-title {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
}

.as-float-dock-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
}

.as-float-dock-close:hover {
  border-color: #93c5fd;
  color: var(--accent, #2563eb);
}

.as-float-dock-body {
  padding: 12px 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: min(60vh, 420px);
  overflow-y: auto;
}

.as-pip-image-actions {
  display: flex;
  gap: 8px;
}

.as-pip-image-actions .pip-wm-open-btn {
  flex: 1;
  min-width: 0;
}

.as-pip-image-matting-btn:not(:disabled) {
  border-color: rgba(37, 99, 235, 0.35);
  color: var(--accent, #2563eb);
}

.as-pip-image-matting-btn:not(:disabled):hover {
  background: var(--accent-soft, #eff6ff);
  border-color: rgba(37, 99, 235, 0.5);
}

/* 抠图弹窗 */
.as-matting-dialog {
  max-width: min(520px, calc(100vw - 32px));
}

.as-matting-step[hidden] {
  display: none !important;
}

.as-matting-preview-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 160px;
  max-height: min(50vh, 360px);
  margin: 12px 0 4px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #f3f4f6;
  overflow: hidden;
}

.as-matting-preview-wrap--checker {
  background-color: #fff;
  background-image:
    linear-gradient(45deg, #e5e7eb 25%, transparent 25%),
    linear-gradient(-45deg, #e5e7eb 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #e5e7eb 75%),
    linear-gradient(-45deg, transparent 75%, #e5e7eb 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
}

.as-matting-preview-img {
  display: block;
  max-width: 100%;
  max-height: min(50vh, 340px);
  object-fit: contain;
}

.as-matting-processing {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 200px;
  color: var(--accent, #2563eb);
}

.as-matting-result-actions {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.as-body .sidebar.as-sidebar {
  min-width: 280px;
  width: var(--sidebar-w);
  transition: width 0.22s ease, min-width 0.22s ease, opacity 0.18s ease;
}

.app.as-app.is-sidebar-collapsed .as-sidebar {
  width: 0;
  min-width: 0;
  opacity: 0;
  pointer-events: none;
  border-right-color: transparent;
  overflow: hidden;
}

.app.as-app.is-ai-collapsed .as-ai-chat {
  width: 0;
  min-width: 0;
  opacity: 0;
  pointer-events: none;
  border-left-color: transparent;
  overflow: hidden;
}

.as-rail-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 0 var(--sidebar-pad-x) 10px;
  margin: 0 calc(-1 * var(--sidebar-pad-x));
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.as-rail-head--ai {
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 12px;
  border-bottom-color: rgba(15, 23, 42, 0.06);
}

.as-rail-title--ai {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.01em;
}

.as-rail-btn--collapse {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  border-color: rgba(15, 23, 42, 0.08);
  background: rgba(248, 250, 252, 0.9);
  color: var(--text-muted);
  flex-shrink: 0;
  margin-right: 12px;
}

.as-rail-btn--collapse svg {
  display: block;
}

.as-rail-head--ai .as-rail-btn--collapse:hover {
  border-color: #93c5fd;
  background: var(--accent-soft, #eff6ff);
  color: var(--accent, #2563eb);
}

.pich-tool-view .as-sidebar > .as-rail-head,
.pich-tool-view .as-ai-chat > .as-rail-head {
  padding-top: var(--sidebar-pad-y);
}

.as-rail-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.as-rail-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
}

.as-rail-btn:hover {
  border-color: #93c5fd;
  color: var(--accent, #2563eb);
}

.as-edge-tab {
  position: absolute;
  z-index: 20;
  top: 50%;
  transform: translateY(-50%);
  padding: 10px 6px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.92);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  writing-mode: vertical-rl;
  letter-spacing: 0.08em;
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.08);
}

.as-edge-tab--left {
  left: 0;
  border-radius: 0 8px 8px 0;
  border-left: none;
}

.as-edge-tab--right {
  right: 0;
  border-radius: 8px 0 0 8px;
  border-right: none;
}

.as-edge-tab:hover {
  color: var(--accent, #2563eb);
  border-color: #93c5fd;
}

/* 左栏工具切换：图片编辑 / 画中画 */
.as-tool-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 14px;
  padding: 4px;
  border-radius: 10px;
  background: #f3f4f6;
  border: 1px solid var(--border);
}

.as-tool-tab {
  flex: 1 1 0;
  min-width: 0;
  height: 34px;
  padding: 0 8px;
  border: none;
  border-radius: 8px;
  background: transparent;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, box-shadow 0.15s;
}

.as-tool-tab:hover {
  color: var(--text);
}

.as-tool-tab.is-active {
  background: #fff;
  color: var(--accent, #2563eb);
  box-shadow: 0 1px 4px rgba(15, 23, 42, 0.08);
}

.as-tool-stack[hidden] {
  display: none !important;
}

.as-doc-stack {
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.as-scope-label {
  margin: 0 0 10px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

.as-context-hint {
  margin: 0 0 12px;
  padding: 10px 12px;
  border-radius: 10px;
  background: #f9fafb;
  border: 1px dashed #d1d5db;
  font-size: 11px;
  line-height: 1.5;
  color: var(--text-muted);
}

.as-context-hint[hidden] {
  display: none !important;
}

.as-selection-bar {
  position: absolute;
  z-index: 14;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(37, 99, 235, 0.35);
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.12);
  pointer-events: auto;
  white-space: nowrap;
}

.as-selection-bar[hidden] {
  display: none !important;
}

.as-selection-label {
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 11px;
  font-weight: 600;
  color: var(--accent, #2563eb);
  padding: 0 4px;
}

.as-sel-btn {
  height: 26px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
  font-size: 11px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
}

.as-sel-btn:hover {
  border-color: #93c5fd;
  color: var(--accent, #2563eb);
}

.as-layer-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.as-layer-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
  text-align: left;
  font-size: 11px;
  color: var(--text);
}

.as-layer-item:hover {
  border-color: #bfdbfe;
}

.as-layer-item.is-active {
  border-color: #93c5fd;
  background: var(--accent-soft, #eff6ff);
}

.as-layer-thumb {
  width: 32px;
  height: 32px;
  border-radius: 4px;
  object-fit: cover;
  flex-shrink: 0;
  background: #e5e7eb;
}

.as-layer-name {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.as-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 9000;
  background: rgba(15, 23, 42, 0.45);
}

.as-modal {
  position: fixed;
  z-index: 9001;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.as-modal[hidden],
.as-modal-backdrop[hidden] {
  display: none !important;
}

body.as-pc-only-blocked .as-app {
  pointer-events: none;
  user-select: none;
}

/* 可折叠 panel */
.as-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin: 0 0 var(--sidebar-block-gap);
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  text-align: left;
  color: inherit;
}

.as-panel-head .as-panel-title {
  margin: 0;
  flex: 1 1 auto;
}

.as-panel-chevron {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform 0.18s ease;
}

.as-panel:not(.is-expanded) .as-panel-chevron {
  transform: rotate(-90deg);
}

.as-panel-body {
  margin-bottom: 4px;
}

.as-panel:not(.is-expanded) .as-panel-body {
  display: none;
}

.as-preview-wrap.is-dark-canvas {
  background-color: #1e2228;
  background-image: radial-gradient(circle at center, rgba(255, 255, 255, 0.11) 1px, transparent 1.05px);
}

.as-preview-wrap.is-dark-canvas .as-block-meta {
  color: #94a3b8;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.55);
}

.as-preview-wrap.is-dark-canvas .as-block-meta-size {
  color: #cbd5e1;
}

.as-preview-wrap.is-dark-canvas .as-pip-tabs,
.as-preview-wrap.is-dark-canvas .as-edit-tabs {
  background: rgba(30, 34, 40, 0.94);
  border-color: rgba(255, 255, 255, 0.08);
}

.as-preview-wrap.is-dark-canvas .as-pip-tab,
.as-preview-wrap.is-dark-canvas .as-edit-tab {
  color: #cbd5e1;
}

.as-preview-wrap.is-dark-canvas .as-canvas-action-btn {
  background: rgba(30, 34, 40, 0.92);
  border-color: rgba(255, 255, 255, 0.1);
  color: #e5e7eb;
}

.as-preview-wrap.is-dark-canvas .as-canvas-action-btn[aria-pressed="true"] {
  color: #93c5fd;
  border-color: rgba(59, 130, 246, 0.45);
  background: rgba(37, 99, 235, 0.15);
}

.as-preview-wrap.is-dark-canvas .as-canvas-action-btn--primary {
  background: var(--accent, #2563eb);
  border-color: var(--accent, #2563eb);
  color: #fff;
}

.as-preview-wrap.is-dark-canvas .as-canvas-float-bar {
  background: rgba(30, 34, 40, 0.94);
  border-color: rgba(255, 255, 255, 0.08);
}

.as-preview-wrap.is-dark-canvas .as-tool-btn {
  color: #e5e7eb;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.14);
}

.as-preview-wrap.is-dark-canvas .as-tool-btn:hover {
  color: #bfdbfe;
  background: rgba(37, 99, 235, 0.14);
  border-color: rgba(96, 165, 250, 0.45);
}

.as-preview-wrap.is-dark-canvas .as-tool-btn.is-active {
  background: rgba(37, 99, 235, 0.88);
  color: #fff;
  border-color: rgba(96, 165, 250, 0.65);
}

.as-preview-wrap.is-dark-canvas .as-tool-btn.is-active:hover {
  color: #fff;
  background: rgba(37, 99, 235, 0.95);
}

.as-preview-wrap.is-dark-canvas .as-zoom-readout {
  color: #cbd5e1;
}

.as-canvas-top-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  margin-left: auto;
  pointer-events: auto;
}

.as-canvas-top-actions[hidden] {
  display: none !important;
}

.as-canvas-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.08);
  font-size: 12px;
  font-weight: 600;
  color: #374151;
  cursor: pointer;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.as-canvas-action-btn:hover {
  border-color: rgba(37, 99, 235, 0.35);
  color: var(--accent, #2563eb);
}

.as-canvas-action-btn[aria-pressed="true"] {
  color: var(--accent, #2563eb);
  border-color: rgba(37, 99, 235, 0.4);
  background: rgba(239, 246, 255, 0.95);
}

.as-canvas-action-btn--primary {
  color: #fff;
  background: var(--accent, #2563eb);
  border-color: var(--accent, #2563eb);
}

.as-canvas-action-btn--primary:hover {
  color: #fff;
  filter: brightness(1.05);
}

.as-canvas-action-btn--icon {
  padding: 7px;
  gap: 0;
}

.as-dark-mode-icon {
  display: block;
  flex: 0 0 auto;
}

.as-dark-mode-icon--sun {
  display: none;
}

.as-preview-wrap.is-dark-canvas .as-dark-mode-icon--moon {
  display: none;
}

.as-preview-wrap.is-dark-canvas .as-dark-mode-icon--sun {
  display: block;
}

.as-new-canvas-dialog {
  max-width: min(560px, 92vw);
}

.as-new-canvas-panel {
  width: min(560px, calc(100vw - 32px));
  padding: 18px 18px 20px;
}

.as-new-canvas-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.as-new-canvas-head-text {
  min-width: 0;
}

.as-new-canvas-head .pip-dialog-title {
  margin: 0 0 4px;
}

.as-new-canvas-sub {
  margin: 0;
  font-size: 13px;
  line-height: 1.45;
}

.as-new-canvas-dismiss {
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  margin: -4px -4px 0 0;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: #94a3b8;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}

.as-new-canvas-dismiss:hover {
  background: #f1f5f9;
  color: #475569;
}

.as-new-canvas-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.as-new-canvas-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 132px;
  padding: 16px 12px;
  border-radius: 12px;
  border: 1.5px dashed #cbd5e1;
  background: #f8fafc;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s, transform 0.12s;
  box-sizing: border-box;
  font: inherit;
  color: inherit;
  appearance: none;
  -webkit-appearance: none;
}

.as-new-canvas-card:hover,
.as-new-canvas-card.is-dragover {
  border-color: var(--accent, #2563eb);
  background: #eff6ff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.12);
}

.as-new-canvas-card--upload {
  margin: 0;
}

.as-new-canvas-card--blank {
  border-style: solid;
  border-color: #e2e8f0;
  background: #fff;
}

.as-new-canvas-card--blank:hover {
  border-color: #93c5fd;
  background: #f8fafc;
}

.as-new-canvas-card--aigen {
  border-style: solid;
  border-color: #e2e8f0;
  background: #fff;
}

.as-new-canvas-card--aigen:hover {
  border-color: #93c5fd;
  background: #f8fafc;
}

.as-new-canvas-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(37, 99, 235, 0.1);
  color: var(--accent, #2563eb);
  font-size: 24px;
  font-weight: 300;
  line-height: 1;
}

.as-new-canvas-card-icon--blank {
  background: #f1f5f9;
  color: #64748b;
}

.as-new-canvas-card--blank:hover .as-new-canvas-card-icon--blank {
  background: rgba(37, 99, 235, 0.1);
  color: var(--accent, #2563eb);
}

.as-new-canvas-card-icon--aigen {
  background: rgba(37, 99, 235, 0.08);
  color: var(--accent, #2563eb);
}

.as-new-canvas-card--aigen:hover .as-new-canvas-card-icon--aigen {
  background: rgba(37, 99, 235, 0.14);
}

.as-new-canvas-card-title {
  font-size: 14px;
  font-weight: 600;
  color: #1e293b;
}

.as-new-canvas-card-desc {
  font-size: 12px;
  line-height: 1.35;
  color: #64748b;
}

@media (max-width: 420px) {
  .as-new-canvas-cards {
    grid-template-columns: 1fr;
  }
}

.as-new-canvas-row {
  width: 100%;
  margin: 0;
}

/* 中栏 */
.as-preview-wrap {
  flex: 1 1 auto;
  min-width: min(260px, 100%);
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background-color: #ffffff;
  background-image: radial-gradient(circle at center, #c4cad4 1px, transparent 1.05px);
  background-size: 26px 26px;
}

.as-center-toolbar.preview-toolbar {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  flex-wrap: nowrap;
  flex-shrink: 0;
  min-height: 44px;
  padding: 8px 12px;
  gap: 10px;
  width: 100%;
  box-sizing: border-box;
}

.as-toolbar-spacer {
  display: none;
}

.as-nav-capsule {
  justify-self: auto;
}

.as-canvas-float-bar {
  position: absolute;
  right: 12px;
  bottom: 12px;
  left: auto;
  top: auto;
  z-index: 12;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-wrap: nowrap;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  pointer-events: auto;
  max-width: calc(100% - 24px);
}

.as-canvas-float-bar input[type="range"] {
  width: 72px;
  min-width: 72px;
  margin: 0;
}

.as-zoom-readout {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  min-width: 36px;
  text-align: center;
}

.as-object-tools[hidden],
.as-select-hint[hidden] {
  display: none !important;
}

.as-select-hint {
  margin: 12px 0 0;
  padding: 10px 12px;
  border-radius: 10px;
  background: #f9fafb;
  border: 1px dashed #d1d5db;
  font-size: 11px;
  line-height: 1.5;
  color: var(--text-muted);
}

.as-panel-body--flat {
  padding-top: 4px;
}

.as-block-replace-btn {
  width: 100%;
}

.as-block-remove-btn {
  width: 100%;
  margin-top: 8px;
}

.as-tool-btn {
  display: inline-flex;
  align-items: center;
  height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  flex-shrink: 0;
}

.as-tool-btn:hover {
  border-color: #bfdbfe;
  color: var(--accent, #2563eb);
}

.as-tool-btn.is-active {
  background: var(--accent-soft, #eff6ff);
  border-color: #93c5fd;
  color: var(--accent, #2563eb);
}

.as-preview-stage {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

/* 无限画布视口 */
.as-canvas-shell {
  flex: 1 1 auto;
  min-height: 0;
  position: relative;
  overflow: hidden;
  cursor: grab;
  touch-action: none;
}

.as-canvas-shell.is-panning {
  cursor: grabbing;
}

.as-canvas-shell:not(.is-pan-mode) {
  cursor: default;
}

.as-canvas-shell.is-ai-design-preview {
  box-shadow: inset 0 0 0 2px rgba(37, 99, 235, 0.35);
}

.as-canvas-shell.is-ai-review-pending {
  box-shadow: inset 0 0 0 2px rgba(34, 197, 94, 0.45);
}

.as-ai-design-stage {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  pointer-events: none;
  background: rgba(248, 250, 252, 0.55);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.as-ai-design-stage[hidden] {
  display: none !important;
}

.as-ai-design-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 18px 26px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(37, 99, 235, 0.16);
  box-shadow: 0 10px 32px rgba(15, 23, 42, 0.1);
  color: var(--accent, #2563eb);
}

.as-ai-design-loading__label {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  color: #334155;
  letter-spacing: 0.02em;
}

.as-canvas-viewport {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.as-world {
  position: absolute;
  top: 0;
  left: 0;
  transform-origin: 0 0;
  will-change: transform;
  pointer-events: auto;
}

.as-artboard {
  position: relative;
  box-sizing: border-box;
  border-radius: 4px;
  box-shadow:
    0 0 0 1px rgba(15, 23, 42, 0.06),
    0 8px 32px rgba(15, 23, 42, 0.08);
  overflow: visible;
}

.as-blocks-host {
  position: relative;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.as-block-labels-host {
  position: absolute;
  inset: 0;
  z-index: 25;
  pointer-events: none;
  overflow: visible;
}

.as-block-wrap {
  position: absolute;
  box-sizing: border-box;
  pointer-events: none;
  z-index: 1;
}

.as-block-wrap.is-block-focused {
  z-index: 6;
}

.as-artboard.is-block-focus .as-block-wrap.is-block-dimmed {
  opacity: 0.42;
  transition: opacity 0.15s ease;
}

.as-artboard.is-block-focus .as-block-meta.is-dimmed {
  opacity: 0.42;
  transition: opacity 0.15s ease;
}

.as-block-meta {
  position: absolute;
  left: 0;
  right: auto;
  bottom: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 0 2px;
  font-size: var(--as-block-meta-fs, 12px);
  line-height: 1.25;
  color: #64748b;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  z-index: 1;
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.85);
}

.as-block-meta-time {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.as-block-meta-size {
  flex: 0 0 auto;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: #475569;
}

.as-block {
  position: relative;
  box-sizing: border-box;
  overflow: hidden;
  background: transparent;
  cursor: pointer;
  pointer-events: auto;
}

.as-block-wrap.is-selected .as-block {
  outline: 2px solid var(--accent, #2563eb);
  outline-offset: 2px;
  z-index: 1;
}

.as-overlays-host {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: visible;
  border-radius: inherit;
  z-index: 10;
}

.as-block-overlays-clip {
  position: absolute;
  box-sizing: border-box;
  overflow: hidden;
  pointer-events: none;
  z-index: 10;
}

.as-block-overlays-clip.is-focused {
  z-index: 16;
}

.as-block-overlays-clip.is-dimmed {
  z-index: 4;
  opacity: 0.42;
  pointer-events: none;
  transition: opacity 0.15s ease;
}

.as-block-overlays-clip .as-overlay {
  pointer-events: auto;
}

.as-artboard.is-block-focus .as-block-wrap.is-block-dimmed .as-block {
  pointer-events: none;
}

.as-overlay {
  position: absolute;
  pointer-events: auto;
  cursor: pointer;
  transform-origin: center center;
  white-space: nowrap;
}

/* 可拖拽贴图由 .as-overlay-chrome 蓝色选框表示；平铺水印仍用描边标示选中 */
.as-overlay.is-selected.as-overlay--tile-full {
  outline: 2px solid #2563eb;
  outline-offset: 2px;
}

.as-overlay--tile-full {
  cursor: pointer;
  border-radius: inherit;
}

.as-overlay--text-tile {
  overflow: hidden;
}

.as-layer-strip-fallback {
  position: fixed;
  left: 16px;
  bottom: 16px;
  z-index: 29;
  width: min(320px, calc(100vw - 32px));
  pointer-events: none;
}

.as-layer-strip-host {
  pointer-events: auto;
  max-width: 100%;
}

.as-layer-strip-host.is-in-dock {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

.as-layer-strip-fallback > .as-layer-strip-host:not([hidden]) {
  padding: 8px 0 0;
}

.as-layer-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: flex-start;
}

.as-strip-chip {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  max-width: 88px;
  padding: 3px 6px;
  border-radius: 6px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: rgba(255, 255, 255, 0.92);
  font-size: 10px;
  line-height: 1.25;
  color: #334155;
  cursor: pointer;
  user-select: none;
  box-shadow: 0 1px 4px rgba(15, 23, 42, 0.06);
}

.as-strip-chip.is-selected {
  border-color: var(--accent, #2563eb);
  background: #eff6ff;
  color: #1d4ed8;
  box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.35);
}

.as-strip-chip.is-dragging {
  opacity: 0.55;
}

.as-strip-chip-grip {
  flex: 0 0 auto;
  font-size: 9px;
  color: #94a3b8;
  cursor: grab;
}

.as-strip-chip-label {
  flex: 1 1 auto;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  word-break: break-all;
}

.as-overlay--image-tile {
  background-repeat: repeat;
  opacity: var(--as-tile-opacity, 0.55);
}

.as-guide-overlay {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 20;
  overflow: visible;
}

.as-guide-overlay .pip-guide-line {
  stroke: #2563eb;
  stroke-width: 1;
  stroke-dasharray: 4 3;
}

.as-overlay-chrome {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  overflow: visible;
}

.as-overlay-chrome-box {
  position: absolute;
  box-sizing: border-box;
  border: 1.5px solid #2563eb;
  pointer-events: auto;
  cursor: move;
  transform-origin: center center;
}

.as-overlay-handle {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: #fff;
  border: 1.5px solid #2563eb;
  pointer-events: auto;
}

.as-overlay-handle--nw { left: -5px; top: -5px; cursor: nwse-resize; }
.as-overlay-handle--ne { right: -5px; top: -5px; cursor: nesw-resize; }
.as-overlay-handle--sw { left: -5px; bottom: -5px; cursor: nesw-resize; }
.as-overlay-handle--se { right: -5px; bottom: -5px; cursor: nwse-resize; }

.as-overlay--shape svg {
  display: block;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.as-wm-anchor-wrap .pip-anchor-btn.is-active {
  background: var(--accent, #2563eb);
  border-color: var(--accent, #2563eb);
  color: #fff;
}

.as-wm-choose-actions {
  display: flex;
  gap: 10px;
  margin: 12px 0 4px;
}

.as-wm-choose-actions .btn-primary {
  flex: 1 1 0;
}

.as-pip-asset-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  margin-bottom: 10px;
  font-size: 36px;
  color: #111827;
}

.as-float-dock.as-pip-dock {
  max-height: min(85vh, 640px);
  overflow: auto;
  width: min(320px, 92vw);
}

.as-float-dock.as-pip-dock--asset {
  width: min(340px, 94vw);
}

.as-float-dock.as-pip-dock--asset .pip-param-mod-hd {
  font-size: 12px;
  font-weight: 600;
  margin: 10px 0 6px;
  color: var(--text-muted, #64748b);
}

.as-float-dock.as-pip-dock--asset .pip-preset-btn.is-active {
  border-color: #2563eb;
  background: var(--accent-soft, #eff6ff);
}

.as-overlay--text {
  font-weight: 600;
  line-height: 1.2;
  user-select: none;
}

.as-overlay img,
.as-overlay canvas.as-raster-preview,
.as-overlay canvas.as-shape-preview {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
}

.as-overlay-layer-list {
  margin-top: 10px;
}

.as-asset-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  max-height: 160px;
  overflow-y: auto;
}

.as-matting-error {
  color: #dc2626;
}

.as-float-dock.as-pip-dock {
  z-index: 28;
}

.as-asset-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
  font-size: 18px;
  color: #374151;
}

.as-asset-btn:hover,
.as-asset-btn.is-active {
  border-color: #93c5fd;
  background: var(--accent-soft, #eff6ff);
}

.as-wm-anchor-wrap.is-disabled {
  opacity: 0.45;
  pointer-events: none;
}

.as-crop-card {
  max-width: min(720px, 94vw);
}

.as-crop-stage {
  position: relative;
  max-height: 60vh;
  overflow: hidden;
  background: #111;
  border-radius: 8px;
  user-select: none;
}

.as-crop-stage img {
  display: block;
  max-width: 100%;
  max-height: 60vh;
  margin: 0 auto;
}

.as-crop-box {
  position: absolute;
  border: 2px solid #fff;
  box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.45);
  cursor: move;
}

.as-block img,
.as-block canvas.as-raster-preview {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  user-select: none;
}

.as-canvas-hint {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 11px;
  color: #4b5563;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.06);
  pointer-events: none;
}

/* 右栏 AI */
aside.as-ai-chat {
  width: min(380px, 36vw);
  min-width: 260px;
  max-width: 440px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg-sidebar);
  border-left: 1px solid var(--border);
  padding: 0;
  overflow: hidden;
  max-height: 100%;
  min-height: 0;
}

.as-ai-chat > .pich-sidebar-scroll {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-height: 0;
  padding: 12px var(--sidebar-pad-x) var(--sidebar-pad-y);
  overflow: hidden;
}

.as-ai-log {
  flex: 1 1 auto;
  min-height: 120px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 8px 4px 12px;
  margin-bottom: 4px;
}

.as-ai-log:empty::before {
  content: "开始对话：描述排版需求，或直接粘贴 JSON 指令";
  display: block;
  margin: auto;
  max-width: 220px;
  text-align: center;
  font-size: 12px;
  line-height: 1.55;
  color: #94a3b8;
}

.as-ai-msg {
  max-width: 100%;
  padding: 8px 10px;
  font-size: 12px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  border-radius: 14px 14px 14px 4px;
}

.as-ai-msg--system {
  align-self: flex-start;
  max-width: 92%;
  background: #f3f4f6;
  color: var(--text);
  border: 1px solid var(--border);
}

.as-ai-dify-images-title {
  margin: 0 0 8px;
  font-size: 12px;
  line-height: 1.45;
  color: #475569;
}

.as-ai-dify-images-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.as-ai-dify-images-thumb {
  display: block;
  max-width: 160px;
  max-height: 200px;
  border-radius: 8px;
  border: 1px solid var(--border);
  object-fit: contain;
  background: #fff;
}

.as-ai-msg--assistant {
  align-self: flex-start;
  max-width: 92%;
  background: var(--accent-soft, #eff6ff);
  border: 1px solid rgba(37, 99, 235, 0.18);
  color: #1e3a5f;
}

.as-ai-msg--user {
  align-self: flex-end;
  max-width: 88%;
  margin-left: auto;
  background: #f1f5f9;
  color: #334155;
  border: 1px solid #e2e8f0;
  border-radius: 14px 14px 4px 14px;
}

.as-ai-stream-status {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent, #2563eb);
}

.as-ai-trace {
  margin-top: 8px;
  padding: 8px 10px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(37, 99, 235, 0.12);
}

.as-ai-trace-section + .as-ai-trace-section {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed rgba(37, 99, 235, 0.12);
}

.as-ai-trace-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #64748b;
  margin-bottom: 4px;
}

.as-ai-trace-thinking {
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 11px;
  line-height: 1.45;
  color: #475569;
  white-space: pre-wrap;
  word-break: break-word;
}

.as-ai-trace-thinking + .as-ai-trace-steps {
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px dashed rgba(37, 99, 235, 0.12);
}

.as-ai-trace-steps {
  font-size: 11px;
  line-height: 1.45;
  color: #334155;
  font-weight: 500;
}

.as-ai-stream-body {
  margin-top: 6px;
}

.as-ai-json-preview {
  margin: 0;
  padding: 8px 10px;
  max-height: 200px;
  overflow: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-all;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(37, 99, 235, 0.15);
  border-radius: 8px;
  color: #1e3a5f;
}

.as-ai-prose-preview {
  font-size: 12px;
  line-height: 1.55;
  word-break: break-word;
  color: #1e3a5f;
}

.as-ai-prose-preview p {
  margin: 0 0 8px;
}

.as-ai-prose-preview p:last-child {
  margin-bottom: 0;
}

.as-ai-prose-preview strong {
  font-weight: 700;
  color: #0f172a;
}

.as-ai-msg--review {
  align-self: flex-start;
  max-width: 92%;
  background: #fff;
  border: 1px solid rgba(37, 99, 235, 0.2);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.08);
}

.as-ai-review-text {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 600;
  color: #1e3a5f;
}

.as-ai-review-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.as-ai-review-btn {
  flex: 1 1 calc(33.333% - 6px);
  min-width: 88px;
  height: 32px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #fff;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.as-ai-review-btn--gen {
  background: #f0f9ff;
  border-color: #7dd3fc;
  color: #0369a1;
}

.as-ai-review-btn--gen:hover:not(:disabled) {
  background: #e0f2fe;
}

.as-ai-review-btn--gen:disabled {
  opacity: 0.65;
  cursor: wait;
}

.as-ai-review-btn--accept {
  background: var(--accent, #2563eb);
  border-color: var(--accent, #2563eb);
  color: #fff;
}

.as-ai-review-btn--accept:hover {
  background: #1d4ed8;
}

.as-ai-review-btn--revert:hover {
  background: #f9fafb;
}

.as-ai-review-btn:disabled {
  cursor: not-allowed;
}

/* AI 生图弹窗 */
.as-ai-image-gen-dialog {
  width: min(520px, calc(100vw - 32px));
  max-height: min(90vh, 720px);
  overflow: auto;
}

.as-ai-image-gen-select {
  width: 100%;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border);
  padding: 0 10px;
  font-size: 13px;
  background: #fff;
}

.as-ai-image-gen-prompt {
  width: 100%;
  min-height: 120px;
  border-radius: 8px;
  border: 1px solid var(--border);
  padding: 10px 12px;
  font-size: 13px;
  line-height: 1.5;
  resize: vertical;
  font-family: inherit;
}

.as-ai-image-gen-processing {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 220px;
  color: var(--accent, #2563eb);
}

.as-ai-image-gen-processing .edit-matting-stars-svg {
  color: var(--accent, #2563eb);
}

.as-ai-image-gen-processing .edit-matting-label {
  color: #475569;
  font-weight: 600;
}

.as-ai-image-gen-preview-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  max-height: min(52vh, 420px);
  margin: 8px 0 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #f8fafc;
  overflow: hidden;
}

.as-ai-image-gen-preview-img {
  display: block;
  max-width: 100%;
  max-height: min(52vh, 420px);
  width: auto;
  height: auto;
  object-fit: contain;
}

.as-ai-image-gen-preview-actions {
  flex-wrap: wrap;
}

.as-ai-image-gen-preview-actions .btn-primary,
.as-ai-image-gen-preview-actions .btn-secondary {
  flex: 1 1 auto;
  min-width: 96px;
}

.as-ai-image-gen-error {
  color: #b91c1c;
  margin: 8px 0 0;
}

body.as-ai-image-gen-open {
  overflow: hidden;
}

.as-ai-msg--raw {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 160px;
  overflow: auto;
}

.as-ai-input-wrap.is-ai-busy {
  pointer-events: none;
}

.as-ai-input-wrap.is-ai-busy .as-ai-input {
  opacity: 0.55;
}

.as-ai-input-wrap.is-ai-busy .as-ai-send {
  cursor: wait;
  opacity: 0.65;
}

.as-ai-form {
  flex-shrink: 0;
  padding-top: 10px;
  border-top: 1px solid rgba(15, 23, 42, 0.06);
  background: linear-gradient(180deg, transparent, rgba(248, 250, 252, 0.85));
}

.as-ai-composer {
  display: flex;
  flex-direction: column;
}

.as-ai-input-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
  border-radius: 12px;
  background: #fff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 4px 16px rgba(15, 23, 42, 0.04);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.as-ai-input-wrap:focus-within {
  border-color: rgba(37, 99, 235, 0.35);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1), 0 4px 16px rgba(15, 23, 42, 0.06);
}

.as-ai-selection {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: flex-start;
  max-width: calc(100% - 20px);
  margin: 10px 10px 0;
  padding: 4px 10px 4px 8px;
  border-radius: 999px;
  background: var(--accent-soft, #eff6ff);
  border: 1px solid rgba(37, 99, 235, 0.2);
}

.as-ai-selection-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent, #2563eb);
  flex-shrink: 0;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.as-ai-input-wrap.is-ai-busy .as-ai-selection-dot {
  animation: as-ai-selection-breathe 1.35s ease-in-out infinite;
}

@keyframes as-ai-selection-breathe {
  0%,
  100% {
    transform: scale(0.82);
    opacity: 0.7;
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.12);
  }

  50% {
    transform: scale(1.18);
    opacity: 1;
    box-shadow: 0 0 0 5px rgba(37, 99, 235, 0.24);
  }
}

.as-ai-selection-text {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent, #2563eb);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.as-ai-input-wrap.has-selection .as-ai-input {
  padding-top: 6px;
  min-height: 64px;
}

.as-ai-input {
  box-sizing: border-box;
  width: 100%;
  min-height: 76px;
  max-height: 160px;
  padding: 12px 76px 12px 12px;
  border-radius: 12px;
  border: none;
  background: transparent;
  font-size: 13px;
  line-height: 1.5;
  resize: none;
  font-family: inherit;
  color: var(--text);
}

.as-ai-input:focus {
  outline: none;
}

.as-ai-input::placeholder {
  color: #94a3b8;
}

.as-ai-input-wrap .as-ai-send {
  position: absolute;
  right: 8px;
  bottom: 8px;
  height: 30px;
  min-width: 52px;
  padding: 0 14px;
  border: none;
  border-radius: 8px;
  background: var(--accent, #2563eb);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
  transition: transform 0.12s ease, box-shadow 0.12s ease, opacity 0.12s ease, background 0.12s ease;
}

.as-ai-input-wrap .as-ai-send:hover:not(:disabled) {
  transform: translateY(-1px);
  background: #1d4ed8;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

.as-tool-btn--schema {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--accent, #2563eb);
}

.as-tool-btn--schema:not(:disabled):hover {
  background: var(--accent-soft, #eff6ff);
  border-color: rgba(37, 99, 235, 0.25);
  color: #1d4ed8;
}

.as-tool-btn--schema:disabled {
  opacity: 0.38;
  cursor: not-allowed;
}

.as-ai-send:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Schema 对话框 */
.as-dialog {
  border: none;
  border-radius: 12px;
  padding: 0;
  max-width: min(640px, 92vw);
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.18);
}

.as-rail-title--ai{
  padding-left: 12px;
}

.as-dialog::backdrop {
  background: rgba(15, 23, 42, 0.35);
}

.as-dialog-card {
  padding: 18px 20px 16px;
}

.as-dialog-title {
  margin: 0 0 8px;
  font-size: 16px;
}

.as-schema-pre {
  margin: 12px 0 0;
  padding: 12px;
  max-height: 50vh;
  overflow: auto;
  font-size: 11px;
  line-height: 1.45;
  background: #f9fafb;
  border: 1px solid var(--border);
  border-radius: 8px;
  white-space: pre-wrap;
  word-break: break-word;
}

.as-dialog-footer {
  display: flex;
  justify-content: flex-end;
  margin-top: 14px;
}

@media (max-width: 960px) {
  aside.as-ai-chat {
    width: min(320px, 42vw);
    min-width: 220px;
  }
}

@media (max-width: 720px) {
  .app.as-app {
    flex-direction: column;
  }

  aside.as-ai-chat {
    width: 100%;
    max-width: none;
    min-width: 0;
    min-height: 180px;
    max-height: 36vh;
    border-left: none;
    border-top: 1px solid var(--border);
  }

  .as-preview-wrap {
    min-height: 240px;
  }

  .as-center-toolbar.preview-toolbar {
    padding-left: 8px;
    padding-right: 8px;
  }

  .as-canvas-float-bar {
    right: 8px;
    bottom: 8px;
    left: auto;
    border-radius: 999px;
  }

  .as-canvas-float-bar input[type="range"] {
    width: 56px;
    min-width: 56px;
  }
}