.canvas-studio { container-type: inline-size; color: var(--color-text-primary); }
.canvas-studio .studio-layout { display: grid; gap: 20px; align-items: start; }
.canvas-studio .studio-lists { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; min-width: 0; }
.canvas-studio .studio-library { min-width: 0; border: 1px solid #dfe3e8; border-radius: 10px; overflow: hidden; background: #f8f9fa; }
.canvas-studio .studio-library > header { display: flex; justify-content: space-between; align-items: center; gap: 4px; padding: 10px 8px 4px; font-size: 13px; font-weight: 600; }
.canvas-studio .studio-library > header span { color: #64748b; font-variant-numeric: tabular-nums; }
.canvas-studio .studio-zone-hint { font-size: 11px; line-height: 17px; color: #64748b; padding: 0 8px 8px; }
.canvas-studio .studio-card-list { position: relative; height: 520px; max-height: 65vh; overflow-y: auto; padding: 6px; min-height: 220px; }
.canvas-studio .studio-card-list[data-drop-active=true] { background: #edf0f3; }
.canvas-studio .studio-card { margin-bottom: 8px; min-width: 0; border: 1px solid #dfe3e8; border-radius: 7px; background: #fff; overflow: hidden; }
.canvas-studio .studio-card[data-active=true] { outline: 2px solid #475569; outline-offset: -2px; }
.canvas-studio .studio-card[data-dragging=true] { opacity: .35; }
.canvas-studio .studio-card-view { display: block; width: 100%; text-align: left; }
.canvas-studio .studio-thumbnail { position: relative; width: 100%; aspect-ratio: 16 / 9; overflow: hidden; border-bottom: 1px solid #edf0f3; background: #fff; pointer-events: none; }
.canvas-studio .studio-card-title { display: block; font-size: 12px; line-height: 18px; font-weight: 600; padding: 6px 6px 0; overflow-wrap: anywhere; }
.canvas-studio .studio-card-position { display: block; font-size: 11px; line-height: 17px; padding: 1px 6px; color: #64748b; }
.canvas-studio .studio-card-tools { display: flex; gap: 2px; flex-wrap: wrap; align-items: center; padding: 4px; }
.canvas-studio .studio-card-tools button { height: 32px; min-width: 28px; padding: 0 4px; border-radius: 4px; font-size: 12px; color: #475569; }
.canvas-studio .studio-card-tools button:hover { background: #f1f3f5; }
.canvas-studio [data-block-drag-handle] { touch-action: none; cursor: grab; font-size: 18px !important; }
.canvas-studio .studio-pinned { font-size: 11px; color: #64748b; padding: 4px 2px; }
.canvas-studio .studio-empty { padding: 24px 4px; text-align: center; font-size: 12px; color: #64748b; }
.canvas-studio .studio-requirement { margin: 4px 6px 6px; font-size: 11px; line-height: 17px; color: #92400e; }
.canvas-studio .studio-drop-placeholder { height: 72px; border: 2px dashed #94a3b8; border-radius: 6px; margin-bottom: 8px; background: #eef1f5; }
.canvas-studio .studio-detail { min-width: 0; display: grid; gap: 16px; align-items: start; }
.canvas-studio .studio-preview-panel { min-width: 0; container-type: inline-size; }
.canvas-studio .studio-preview-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 10px; font-size: 13px; color: #475569; }
.canvas-studio .studio-preview-toolbar button { min-height: 36px; padding: 4px 8px; border: 1px solid #dfe3e8; border-radius: 6px; background: #fff; white-space: nowrap; }
.canvas-studio .studio-preview-viewport { position: relative; width: 100%; aspect-ratio: 16 / 9; overflow: hidden; background: #fff; border: 1px solid #dfe3e8; border-radius: 6px; box-shadow: 0 6px 18px #0f172a08; }
.canvas-studio .studio-preview-caption { margin-top: 8px; font-size: 12px; line-height: 19px; color: #64748b; }
.canvas-studio .studio-properties { min-width: 0; padding: 16px; background: #fafbfc; border: 1px solid #dfe3e8; border-radius: 10px; }
.canvas-studio .studio-properties-heading { display: flex; justify-content: space-between; gap: 8px; align-items: center; font-size: 14px; font-weight: 600; margin-bottom: 12px; }
.canvas-studio .studio-properties-heading span { font-size: 11px; color: #64748b; font-weight: 400; }
.canvas-studio .studio-properties > label { display: block; font-size: 13px; font-weight: 500; margin: 12px 0 5px; }
.canvas-studio .studio-properties > label span { color: #64748b; font-weight: 400; }
.canvas-studio .studio-properties > textarea, .canvas-studio .studio-properties > input { width: 100%; border: 1px solid #cbd5e1; border-radius: 6px; padding: 8px 10px; font-size: 14px; line-height: 22px; color: #172033; background: #fff; }
.canvas-studio .studio-properties textarea { resize: vertical; min-height: 44px; }
.canvas-studio .studio-reset { margin-top: 4px; font-size: 12px; min-height: 36px; color: #475569; text-decoration: underline; text-underline-offset: 3px; }
.canvas-studio .studio-properties details { margin-top: 16px; font-size: 12px; color: #475569; }
.canvas-studio .studio-properties summary { cursor: pointer; min-height: 32px; }
.canvas-studio .studio-properties details p { margin-bottom: 6px; }
.canvas-studio .studio-properties details ul { padding-left: 16px; list-style: disc; }
.canvas-studio .studio-save-note { font-size: 12px; line-height: 19px; color: #64748b; margin-top: 14px; }
.canvas-studio .studio-preview-panel:fullscreen { background: #f3f4f6; padding: 20px; display: flex; flex-direction: column; justify-content: center; }
.canvas-studio .studio-preview-panel:fullscreen .studio-preview-viewport { max-width: calc((100vh - 110px) * 16 / 9); margin: 0 auto; flex-shrink: 0; }
.canvas-studio .studio-preview-panel:fullscreen .studio-preview-toolbar { width: 100%; max-width: calc((100vh - 110px) * 16 / 9); margin: 0 auto 10px; }
.canvas-studio .studio-preview-panel:fullscreen .studio-preview-caption { text-align: center; }
.studio-slide { width: 960px; height: 540px; padding: 36px 44px 20px; background: #fff; color: #172033; display: flex; flex-direction: column; overflow: hidden; transform: scale(var(--slide-scale,1)); transform-origin: top left; box-sizing: border-box; }
.studio-slide .studio-slide-heading { flex-shrink: 0; }
.studio-slide .studio-slide-eyebrow { display: flex; justify-content: space-between; gap: 20px; color: #64748b; font-size: 14px; line-height: 22px; margin-bottom: 8px; }
.studio-slide .studio-slide-talk { flex-shrink: 0; font-size: 15px; line-height: 23px; white-space: pre-wrap; overflow-wrap: anywhere; max-height: 65px; overflow-y: auto; margin-top: 12px; padding: 8px 12px; background: #f6f7f9; border-radius: 5px; }
.studio-slide h3 { font-size: 32px; line-height: 1.35; font-weight: 700; overflow-wrap: anywhere; margin-bottom: 10px; }
.studio-slide .studio-slide-instruction { font-size: 18px; line-height: 1.6; white-space: pre-wrap; max-height: 112px; overflow-y: auto; overflow-wrap: anywhere; color: #475569; }
.studio-slide .studio-slide-body { flex: 1; min-height: 0; overflow-y: auto; padding-top: 22px; }
.studio-slide .studio-slide-footer { display: flex; justify-content: space-between; margin-top: 12px; font-size: 12px; color: #64748b; }
.studio-slide .studio-slide-fields { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; }
.studio-slide .studio-slide-fields section { border: 1px solid #dfe3e8; padding: 14px; border-radius: 8px; }
.studio-slide h4 { font-size: 16px; line-height: 24px; font-weight: 600; margin-bottom: 10px; }
.studio-slide .studio-slide-answer { display: block; min-height: 34px; border-radius: 5px; background: #f6f7f9; border: 1px solid #e7ebf0; }
.studio-slide .studio-slide-section { font-size: 16px; font-weight: 600; margin-bottom: 12px; }
.studio-slide .studio-slide-ranks { display: grid; gap: 9px; }
.studio-slide .studio-slide-ranks > div { display: flex; gap: 18px; align-items: center; border: 1px solid #dfe3e8; border-radius: 6px; padding: 10px 14px; font-size: 16px; }
.studio-slide .studio-slide-ranks > div > :last-child { margin-left: auto; color: #64748b; font-size: 14px; }
.studio-slide .studio-slide-task-head, .studio-slide .studio-slide-task { display: grid; grid-template-columns: 2fr repeat(3,1fr); gap: 12px; font-size: 16px; align-items: center; margin-bottom: 14px; }
.studio-slide .studio-slide-task-head { font-size: 14px; color: #64748b; }
.studio-slide .studio-slide-task > span:not(:first-child) { text-align: center; color: #475569; }
.studio-slide .studio-slide-kanban { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 12px; }
.studio-slide .studio-slide-kanban section { background: #fafbfc; border: 1px solid #dfe3e8; border-radius: 8px; padding: 12px; }
.studio-slide .studio-slide-kanban p { font-size: 14px; color: #64748b; margin-bottom: 18px; }
.studio-slide .studio-slide-kanban .studio-slide-answer { margin: 8px 0; min-height: 45px; background: #fff; }
.studio-slide .studio-slide-kanban section > span { display: block; padding-top: 12px; font-size: 13px; color: #64748b; }
.studio-slide .studio-slide-history { display: grid; grid-template-columns: 80px 1fr 1fr 70px; gap: 12px; font-size: 16px; align-items: center; }
.studio-slide .studio-slide-goals { display: flex; gap: 16px; }
.studio-slide .studio-slide-goals section { flex: 1; border: 1px solid #dfe3e8; border-radius: 8px; padding: 14px; }
.studio-slide .studio-slide-goals section[hidden] { display: none; }
.studio-slide .studio-slide-goals p { font-size: 14px; color: #64748b; margin-bottom: 5px; }
.studio-slide .studio-slide-goals .studio-slide-answer { margin-bottom: 10px; }
.studio-slide .studio-slide-footnote { margin-top: 16px; font-size: 14px; color: #64748b; }
.studio-drag-ghost { position: fixed; pointer-events: none; z-index: 10000; background: #fff; border: 1px solid #94a3b8; border-radius: 7px; box-shadow: 0 10px 28px #0f172a26; opacity: .92; overflow: hidden; }
@container (min-width: 820px) { .canvas-studio .studio-layout { grid-template-columns: minmax(250px,.9fr) minmax(0,2fr); } }
@container (min-width: 1000px) { .canvas-studio .studio-detail { grid-template-columns: minmax(0,1fr) 240px; } }
@media (max-width: 767px) {
  .canvas-studio .studio-card-tools button { min-width: 44px; height: 44px; }
  .canvas-studio .studio-preview-toolbar button, .canvas-studio .studio-reset { min-height: 44px; }
  .canvas-studio .studio-properties > textarea, .canvas-studio .studio-properties > input { font-size: 16px; }
}