/* Handraw Infinite Canvas Studio Stylesheet
 * Synthesizes warm-paper editorial craft with infinite-canvas & Toonflow spatial UX.
 */

body.ic-studio-body {
  height: 100dvh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--paper-bg);
}

body.ic-studio-body .hw-footer {
  display: none !important;
}

/* Studio topbar navigation remains 100% unified and consistent with Main & Forum channels */
body.ic-studio-body .hw-topbar {
  flex-shrink: 0;
}

.ic-studio-shell {
  position: relative;
  flex: 1;
  min-height: 0;
  width: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  user-select: none;
  --ic-bg: #f3efe6;
  --ic-tabwell: #e5ddd0;
  --ic-dot: rgba(105, 92, 74, 0.24);
  --ic-line: rgba(125, 110, 90, 0.13);
  --ic-panel: rgba(255, 253, 249, 0.95);
  --ic-panel-solid: #fffdf9;
  --ic-surface: #f7f3eb;
  --ic-border: #dcd2c2;
  --ic-border-strong: #c5b8a4;
  --ic-text: #1e1b18;
  --ic-muted: #756b5f;
  --ic-faint: #9c9183;
  --ic-node-bg: #fffdf9;
  --ic-node-shadow: 0 10px 28px rgba(32, 25, 18, 0.09);
  --ic-dock-shadow: 0 14px 42px rgba(28, 22, 16, 0.14);
  --ic-select: #2563eb;
  --ic-edge-idle: rgba(98, 86, 72, 0.42);
  background: var(--ic-bg);
  color: var(--ic-text);
  transition: background-color 0.22s ease, color 0.22s ease;
}

.ic-studio-shell[data-canvas-theme="dark"] {
  --ic-bg: #171614;
  --ic-tabwell: #100f0d;
  --ic-dot: rgba(214, 204, 190, 0.18);
  --ic-line: rgba(214, 204, 190, 0.08);
  --ic-panel: rgba(31, 29, 26, 0.94);
  --ic-panel-solid: #211f1c;
  --ic-surface: #2a2723;
  --ic-border: #3d3832;
  --ic-border-strong: #575047;
  --ic-text: #f5f1ea;
  --ic-muted: #a89f93;
  --ic-faint: #7b7368;
  --ic-node-bg: #22201d;
  --ic-node-shadow: 0 14px 36px rgba(0, 0, 0, 0.42);
  --ic-dock-shadow: 0 18px 48px rgba(0, 0, 0, 0.52);
  --ic-select: #60a5fa;
  --ic-edge-idle: rgba(190, 180, 166, 0.34);
}

/* Viewport & Grid */
.ic-viewport {
  position: absolute;
  inset: 0;
  overflow: hidden;
  touch-action: none;
}

.ic-viewport.is-pan-tool {
  cursor: grab;
}

.ic-viewport.is-panning {
  cursor: grabbing !important;
}

.ic-viewport.is-ref-picking {
  cursor: crosshair;
}

.ic-grid-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.ic-world {
  position: absolute;
  left: 0;
  top: 0;
  width: 0;
  height: 0;
  transform-origin: 0 0;
  will-change: transform;
}

/* SVG Edges Layer */
.ic-edges-svg {
  position: absolute;
  left: 0;
  top: 0;
  width: 1px;
  height: 1px;
  overflow: visible;
  pointer-events: none;
  z-index: 2;
}

.ic-edge-hit {
  fill: none;
  stroke: transparent;
  stroke-width: 18px;
  pointer-events: stroke;
  cursor: pointer;
}

.ic-edge-line {
  fill: none;
  stroke: var(--ic-edge-idle);
  stroke-width: 2.2px;
  stroke-linecap: round;
  pointer-events: none;
  transition: stroke 0.16s ease, stroke-opacity 0.16s ease, stroke-width 0.16s ease;
}

.ic-studio-shell.edges-hidden .ic-edge-group:not(.is-related):not(.is-selected) .ic-edge-line {
  stroke-opacity: 0.06;
}

.ic-edge-group.is-related .ic-edge-line,
.ic-edge-group:hover .ic-edge-line {
  stroke-width: 2.8px;
  stroke-opacity: 0.96;
  filter: drop-shadow(0 0 6px rgba(183, 66, 39, 0.32));
}

.ic-edge-group.is-selected .ic-edge-line {
  stroke: var(--vermilion) !important;
  stroke-width: 3.2px;
  stroke-opacity: 1;
  filter: drop-shadow(0 0 8px rgba(183, 66, 39, 0.48));
}

.ic-edge-live {
  fill: none;
  stroke: var(--vermilion);
  stroke-width: 2.4px;
  stroke-dasharray: 6 5;
  stroke-linecap: round;
  pointer-events: none;
}

/* Marquee Selection Box */
.ic-marquee {
  position: fixed;
  border: 1.5px dashed var(--ic-select);
  background: rgba(37, 99, 235, 0.09);
  border-radius: 6px;
  pointer-events: none;
  z-index: 65;
}

/* Floating Islands / Docks */
.ic-topbar-float {
  position: absolute;
  top: 12px;
  left: 14px;
  right: 14px;
  z-index: 45;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  pointer-events: none;
  flex-wrap: wrap;
}

.ic-float-pill {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--ic-panel);
  backdrop-filter: blur(14px);
  border: 1px solid var(--ic-border);
  border-radius: 13px;
  padding: 5px 8px;
  box-shadow: var(--ic-dock-shadow);
  color: var(--ic-text);
}

.ic-bp-btn {
  border: 1px solid transparent;
  background: transparent;
  color: var(--ic-muted);
  border-radius: 9px;
  padding: 5px 10px;
  font-size: 12.5px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.ic-bp-btn:hover {
  background: var(--ic-surface);
  color: var(--ic-text);
}

.ic-bp-btn.is-active {
  background: var(--vermilion);
  color: #fffdf9;
  box-shadow: 0 2px 8px rgba(183, 66, 39, 0.28);
}

.ic-icon-btn {
  border: 1px solid transparent;
  background: transparent;
  color: var(--ic-text);
  border-radius: 9px;
  padding: 5px 9px;
  font-size: 12.5px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: all 0.14s ease;
  white-space: nowrap;
}

.ic-icon-btn:hover {
  background: var(--ic-surface);
  border-color: var(--ic-border);
}

.ic-icon-btn.is-active {
  background: var(--vermilion-wash);
  color: var(--vermilion);
  border-color: var(--vermilion-border);
}

.ic-studio-shell[data-canvas-theme="dark"] .ic-icon-btn.is-active {
  background: rgba(183, 66, 39, 0.26);
  color: #ffb49e;
  border-color: rgba(239, 199, 188, 0.34);
}

.ic-divider-v {
  width: 1px;
  height: 18px;
  background: var(--ic-border);
  margin: 0 2px;
}

/* Left Floating Node Toolbox Drawer (Slim 216px Node-Only Palette) */
.ic-shelf-drawer {
  position: absolute;
  top: 12px;
  left: 12px;
  bottom: 12px;
  width: 218px;
  z-index: 42;
  background: var(--ic-panel);
  backdrop-filter: blur(16px);
  border: 1px solid var(--ic-border);
  border-radius: 16px;
  box-shadow: var(--ic-dock-shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.ic-shelf-drawer.is-collapsed {
  transform: translateX(-250px);
  opacity: 0;
  pointer-events: none;
}

.ic-shelf-tabs {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 2px;
  padding: 6px;
  border-bottom: 1px solid var(--ic-border);
  background: var(--ic-surface);
}

.ic-shelf-tab {
  border: 0;
  background: transparent;
  color: var(--ic-muted);
  border-radius: 8px;
  padding: 6px 2px;
  font-size: 11px;
  font-weight: 750;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  transition: all 0.14s;
}

.ic-shelf-tab:hover {
  color: var(--ic-text);
  background: rgba(128, 116, 100, 0.09);
}

.ic-shelf-tab.is-active {
  background: var(--ic-panel-solid);
  color: var(--vermilion);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.ic-shelf-search {
  padding: 8px 10px 6px;
  border-bottom: 1px solid var(--ic-border);
  display: grid;
  gap: 6px;
}

.ic-shelf-input {
  width: 100%;
  border: 1px solid var(--ic-border);
  background: var(--ic-panel-solid);
  color: var(--ic-text);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 12.5px;
  outline: none;
}

.ic-shelf-input:focus {
  border-color: var(--vermilion);
}

.ic-shelf-filters {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: thin;
}

.ic-mini-chip {
  border: 1px solid var(--ic-border);
  background: var(--ic-panel-solid);
  color: var(--ic-muted);
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
}

.ic-mini-chip.is-active {
  background: var(--vermilion);
  border-color: var(--vermilion);
  color: #fff;
}

.ic-shelf-grid {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 8px 10px 12px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-auto-rows: max-content;
  gap: 8px;
  align-content: start;
}

.ic-shelf-card {
  position: relative;
  border: 1px solid var(--ic-border);
  background: var(--ic-panel-solid);
  border-radius: 10px;
  overflow: hidden;
  cursor: grab;
  transition: transform 0.14s ease, border-color 0.14s ease, box-shadow 0.14s ease;
  display: flex;
  flex-direction: column;
  min-height: 138px;
}

.ic-shelf-card:hover {
  transform: translateY(-2px);
  border-color: var(--vermilion);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.11);
}

.ic-shelf-card-thumb {
  width: 100%;
  height: 92px;
  flex-shrink: 0;
  object-fit: cover;
  display: block;
  background: var(--ic-surface);
  pointer-events: none;
}

.ic-shelf-card-body {
  padding: 6px 7px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ic-shelf-card-id {
  font-size: 10.5px;
  font-weight: 850;
  font-family: var(--font-mono);
  color: var(--vermilion);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ic-shelf-card-name {
  font-size: 11.8px;
  font-weight: 700;
  line-height: 1.28;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ic-shelf-add-btn {
  position: absolute;
  top: 5px;
  right: 5px;
  border: 0;
  border-radius: 6px;
  background: rgba(24, 20, 17, 0.82);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  padding: 2px 6px;
  opacity: 0;
  transition: opacity 0.14s;
}

.ic-shelf-card:hover .ic-shelf-add-btn {
  opacity: 1;
}

/* Bottom Docks */
.ic-bottom-left-dock {
  position: absolute;
  left: 14px;
  bottom: 12px;
  z-index: 44;
  display: flex;
  align-items: center;
  gap: 8px;
}

.ic-bottom-center-dock {
  position: absolute;
  left: 50%;
  bottom: 12px;
  transform: translateX(-50%);
  z-index: 44;
  display: flex;
  align-items: center;
  gap: 8px;
}

.ic-bottom-right-dock {
  position: absolute;
  right: 14px;
  bottom: 12px;
  z-index: 44;
  display: flex;
  align-items: center;
  gap: 10px;
}

.ic-canvas-save-btn {
  height: 36px;
  padding: 0 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, #d14b2f 0%, #b74227 100%);
  color: #fffdf9;
  border: 1.5px solid rgba(255, 253, 249, 0.92);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(183, 66, 39, 0.36), 0 1px 4px rgba(28, 22, 16, 0.14);
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
}

.ic-canvas-save-btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
  box-shadow: 0 8px 22px rgba(183, 66, 39, 0.44);
}

.ic-canvas-save-btn:active {
  transform: translateY(0);
}

.ic-save-dirty-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #fde047;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.35);
}

/* Minimap (Bottom-Right corner of Canvas Stage) */
.ic-minimap {
  position: absolute;
  right: 14px;
  bottom: 56px;
  width: 198px;
  height: 152px;
  z-index: 43;
  background: var(--ic-panel);
  backdrop-filter: blur(14px);
  border: 1px solid var(--ic-border);
  border-radius: 12px;
  box-shadow: var(--ic-dock-shadow);
  overflow: hidden;
  cursor: crosshair;
  transition: right 0.2s ease, opacity 0.16s ease;
}

.ic-minimap-head {
  position: absolute;
  top: 5px;
  left: 8px;
  right: 8px;
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  font-weight: 800;
  color: var(--ic-muted);
  pointer-events: none;
  z-index: 2;
}

/* Nodes on World Layer */
.ic-node {
  position: absolute;
  border-radius: 16px;
  background: var(--ic-node-bg);
  border: 1.5px solid var(--ic-border);
  box-shadow: var(--ic-node-shadow);
  color: var(--ic-text);
  z-index: 10;
  transition: border-color 0.14s ease, box-shadow 0.14s ease;
  contain: layout style;
}

.ic-node:hover {
  border-color: var(--ic-border-strong);
}

.ic-node.is-related {
  border-color: rgba(183, 66, 39, 0.58);
}

.ic-node.is-selected {
  border-color: var(--ic-select) !important;
  box-shadow: 0 0 0 2.5px rgba(37, 99, 235, 0.25), var(--ic-node-shadow);
  z-index: 26;
}

.ic-node.is-drop-target {
  border-color: var(--vermilion) !important;
  box-shadow: 0 0 0 4px rgba(183, 66, 39, 0.28), var(--ic-node-shadow);
}

/* Group Container Node */
.ic-node.ic-node-group {
  background: rgba(183, 66, 39, 0.035);
  border: 2px dashed var(--ic-border-strong);
  box-shadow: none;
  border-radius: 22px;
  z-index: 3;
}

.ic-studio-shell[data-canvas-theme="dark"] .ic-node.ic-node-group {
  background: rgba(255, 255, 255, 0.025);
}

.ic-node.ic-node-group.is-selected {
  z-index: 4;
}

/* Clean Self-Contained Generator Card */
.ic-node.ic-node-generator {
  background: var(--ic-node-bg);
}

/* Floating Node Header above Card (Progressive Disclosure like Toonflow/infinite-canvas) */
.ic-node-header-above {
  position: absolute;
  left: 2px;
  bottom: calc(100% + 6px);
  right: 2px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  font-size: 12px;
  font-weight: 800;
  color: var(--ic-muted);
  opacity: 0.78;
  pointer-events: auto;
  white-space: nowrap;
}

.ic-node:hover .ic-node-header-above,
.ic-node.is-selected .ic-node-header-above {
  opacity: 1;
  color: var(--ic-text);
}

.ic-node-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 7px;
  border-radius: 6px;
  font-size: 10.5px;
  font-weight: 850;
  font-family: var(--font-mono);
  white-space: nowrap;
  flex-shrink: 0;
}

.ic-badge-style { background: rgba(183, 66, 39, 0.14); color: #b74227; }
.ic-badge-layout { background: rgba(37, 87, 138, 0.14); color: #25578a; }
.ic-badge-color { background: rgba(154, 100, 18, 0.15); color: #9a6412; }
.ic-badge-tone { background: rgba(91, 75, 138, 0.15); color: #5b4b8a; }
.ic-badge-asset { background: rgba(40, 110, 73, 0.15); color: #286e49; }
.ic-badge-splitter { background: rgba(138, 75, 22, 0.16); color: #8a4b16; }
.ic-badge-generator { background: rgba(37, 99, 235, 0.14); color: #2563eb; }

.ic-studio-shell[data-canvas-theme="dark"] .ic-badge-style { color: #ff9c82; background: rgba(183, 66, 39, 0.28); }
.ic-studio-shell[data-canvas-theme="dark"] .ic-badge-layout { color: #8cc2ff; background: rgba(37, 87, 138, 0.32); }
.ic-studio-shell[data-canvas-theme="dark"] .ic-badge-color { color: #ffd080; background: rgba(154, 100, 18, 0.3); }
.ic-studio-shell[data-canvas-theme="dark"] .ic-badge-tone { color: #cbbcff; background: rgba(91, 75, 138, 0.32); }
.ic-studio-shell[data-canvas-theme="dark"] .ic-badge-asset { color: #7ce2a9; background: rgba(40, 110, 73, 0.3); }
.ic-studio-shell[data-canvas-theme="dark"] .ic-badge-splitter { color: #ffc184; background: rgba(138, 75, 22, 0.3); }
.ic-studio-shell[data-canvas-theme="dark"] .ic-badge-generator { color: #93c5fd; background: rgba(37, 99, 235, 0.28); }

/* Magnetic Connection Ports (40x40 invisible hit area, 14x14 visible dot) */
.ic-port-zone {
  position: absolute;
  top: 50%;
  width: 40px;
  height: 40px;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: crosshair;
  z-index: 30;
  opacity: 0;
  transition: opacity 0.14s ease;
}

.ic-port-zone.is-in {
  left: -20px;
}

.ic-port-zone.is-out {
  right: -20px;
}

.ic-node:hover .ic-port-zone,
.ic-node.is-selected .ic-port-zone,
.ic-studio-shell.is-wiring .ic-port-zone {
  opacity: 1;
}

.ic-port-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ic-panel-solid);
  border: 2.5px solid var(--vermilion);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 900;
  color: var(--vermilion);
  transition: transform 0.14s ease, background-color 0.14s ease;
}

.ic-port-zone:hover .ic-port-dot,
.ic-port-zone.is-snap .ic-port-dot {
  transform: scale(1.32);
  background: var(--vermilion);
  color: #fff;
}

/* Ingredient Card Interior */
.ic-ing-card {
  padding: 9px;
  display: flex;
  flex-direction: column;
  gap: 7px;
  cursor: grab;
}

.ic-ing-thumb-wrap {
  position: relative;
  width: 100%;
  height: 122px;
  border-radius: 10px;
  overflow: hidden;
  background: var(--ic-surface);
}

.ic-ing-thumb {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  background: var(--ic-surface);
  display: block;
  pointer-events: none;
}

.ic-ing-actions {
  position: absolute;
  right: 6px;
  bottom: 6px;
  display: flex;
  gap: 4px;
  opacity: 0.96;
  transition: opacity 0.14s;
}

.ic-ing-empty-slot {
  width: 100%;
  flex: 1;
  min-height: 112px;
  border: 1.5px dashed var(--ic-border-strong);
  border-radius: 10px;
  background: var(--ic-surface);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 8px;
  text-align: center;
  cursor: pointer;
  transition: all 0.14s ease;
}

.ic-ing-empty-slot:hover {
  border-color: var(--vermilion);
  background: var(--vermilion-wash);
}

.ic-node-toolbox-item {
  border: 1px solid var(--ic-border);
  background: var(--ic-panel-solid);
  color: var(--ic-text);
  border-radius: 11px;
  padding: 9px 10px;
  display: flex;
  align-items: flex-start;
  gap: 9px;
  cursor: grab;
  transition: border-color 0.14s ease, transform 0.12s ease, box-shadow 0.14s ease;
}

.ic-node-toolbox-item:hover {
  border-color: var(--vermilion);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(183, 66, 39, 0.12);
}

.ic-node-toolbox-icon {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--ic-surface);
  border: 1px solid var(--ic-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  flex-shrink: 0;
}

.ic-mini-glass-btn {
  border: 0;
  border-radius: 6px;
  background: rgba(24, 20, 17, 0.8);
  color: #fff;
  padding: 3px 7px;
  font-size: 11px;
  font-weight: 750;
  backdrop-filter: blur(6px);
}

.ic-mini-glass-btn:hover {
  background: var(--vermilion);
}

/* Generator Frame Node */
.ic-gen-frame {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  cursor: grab;
}

.ic-gen-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  background: var(--ic-surface);
  display: block;
  pointer-events: none;
}

.ic-gen-empty {
  flex: 1;
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: linear-gradient(180deg, var(--ic-panel-solid) 0%, var(--ic-surface) 100%);
}

.ic-gen-overlay-bottom {
  position: absolute;
  left: 8px;
  right: 8px;
  bottom: 8px;
  padding: 7px 9px;
  border-radius: 10px;
  background: rgba(22, 19, 16, 0.78);
  backdrop-filter: blur(8px);
  color: #fffdf9;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}

/* Multi-image Batch Stack Backing Cards */
.ic-batch-stack-back {
  position: absolute;
  inset: 0;
  border-radius: 16px;
  background: var(--ic-panel-solid);
  border: 1.5px solid var(--ic-border-strong);
  box-shadow: var(--ic-node-shadow);
  pointer-events: none;
  z-index: -1;
}

.ic-batch-stack-back.b1 {
  transform: translate(6px, 5px) rotate(2.1deg);
}

.ic-batch-stack-back.b2 {
  transform: translate(11px, 10px) rotate(4deg);
  opacity: 0.78;
}

/* Shimmer Generating Overlay */
@keyframes icPulseShimmer {
  0% { opacity: 0.55; }
  50% { opacity: 0.92; }
  100% { opacity: 0.55; }
}

.ic-gen-loading {
  position: absolute;
  inset: 0;
  background: rgba(24, 20, 17, 0.62);
  backdrop-filter: blur(6px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: #fffdf9;
  z-index: 15;
  animation: icPulseShimmer 1.5s infinite ease-in-out;
}

/* Screen-Space Counter-Scaled Floating Node Topbar & Bottom Prompt Assembler */
.ic-floating-overlay-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 38;
}

.ic-node-topbar {
  position: absolute;
  transform: translate(-50%, -100%);
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--ic-panel);
  backdrop-filter: blur(16px);
  border: 1px solid var(--ic-border);
  border-radius: 12px;
  padding: 4px 6px;
  box-shadow: var(--ic-dock-shadow);
  white-space: nowrap;
}

.ic-composer-panel {
  position: absolute;
  transform: translateX(-50%);
  width: min(668px, calc(100vw - 36px));
  max-height: min(470px, calc(100dvh - 180px));
  overflow-y: auto;
  pointer-events: auto;
  background: var(--ic-panel);
  backdrop-filter: blur(18px);
  border: 1px solid var(--ic-border-strong);
  border-radius: 16px;
  padding: 12px 14px;
  box-shadow: var(--ic-dock-shadow);
  color: var(--ic-text);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ic-ref-strip {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--ic-border);
}

.ic-ref-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--ic-surface);
  border: 1px solid var(--ic-border);
  border-radius: 8px;
  padding: 2px 7px 2px 3px;
  font-size: 11.5px;
  font-weight: 750;
}

.ic-ref-chip img {
  width: 22px;
  height: 22px;
  border-radius: 5px;
  object-fit: cover;
}

.ic-ref-chip button {
  border: 0;
  background: transparent;
  color: var(--ic-muted);
  padding: 0 2px;
  font-size: 13px;
  line-height: 1;
}

.ic-ref-chip button:hover {
  color: var(--vermilion);
}

.ic-composer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.ic-pill-group {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.ic-opt-pill {
  border: 1px solid var(--ic-border);
  background: var(--ic-panel-solid);
  color: var(--ic-muted);
  border-radius: 7px;
  padding: 3px 8px;
  font-size: 11.8px;
  font-weight: 700;
  transition: all 0.12s;
}

.ic-opt-pill:hover {
  border-color: var(--vermilion);
  color: var(--ic-text);
}

.ic-opt-pill.is-active {
  background: var(--vermilion);
  border-color: var(--vermilion);
  color: #fffdf9;
}

.ic-composer-textarea {
  width: 100%;
  border: 1px solid var(--ic-border);
  background: var(--ic-panel-solid);
  color: var(--ic-text);
  border-radius: 10px;
  padding: 8px 10px;
  font-size: 13px;
  line-height: 1.5;
  resize: vertical;
  min-height: 58px;
  outline: none;
}

.ic-composer-textarea:focus {
  border-color: var(--vermilion);
}

.ic-prompt-preview {
  background: var(--ic-surface);
  border: 1px solid var(--ic-border);
  border-radius: 9px;
  padding: 8px 10px;
  font-family: var(--font-mono);
  font-size: 11.8px;
  line-height: 1.52;
  max-height: 108px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
  user-select: text;
}

/* Context Create Menu & Edge Unlink Button */
.ic-context-menu {
  position: fixed;
  z-index: 80;
  width: 244px;
  background: var(--ic-panel-solid, #fffdf9);
  backdrop-filter: blur(18px);
  border: 1px solid var(--ic-border-strong, #c5b8a4);
  border-radius: 14px;
  padding: 6px;
  box-shadow: var(--ic-dock-shadow, 0 18px 44px rgba(24, 20, 17, 0.2));
  display: grid;
  gap: 2px;
}

.ic-context-item {
  border: 0;
  background: transparent;
  color: var(--ic-text);
  border-radius: 9px;
  padding: 7px 10px;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 12.8px;
  font-weight: 700;
}

.ic-context-item:hover {
  background: var(--ic-surface);
  color: var(--vermilion);
}

.ic-edge-unlink-btn {
  position: fixed;
  z-index: 75;
  transform: translate(-50%, -50%);
  border: 0;
  border-radius: 999px;
  background: #dc2626;
  color: #fff;
  padding: 5px 11px;
  font-size: 12px;
  font-weight: 800;
  box-shadow: 0 6px 18px rgba(220, 38, 38, 0.42);
}

/* Right Series / Article Preview Drawer */
.ic-preview-drawer {
  position: absolute;
  top: 64px;
  right: 14px;
  bottom: 66px;
  width: 390px;
  z-index: 46;
  background: var(--ic-panel);
  backdrop-filter: blur(18px);
  border: 1px solid var(--ic-border-strong);
  border-radius: 16px;
  box-shadow: var(--ic-dock-shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Reference Picker Banner */
.ic-ref-picker-banner {
  position: absolute;
  top: 64px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 60;
  background: #1e1b18;
  color: #fffdf9;
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 750;
  box-shadow: var(--shadow-md);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

@media (prefers-reduced-motion: reduce) {
  .ic-studio-shell,
  .ic-shelf-drawer,
  .ic-node,
  .ic-edge-line,
  .ic-port-dot,
  .ic-gen-loading {
    transition: none !important;
    animation: none !important;
  }
}


/* ======================== V3 ARCHITECTURAL WORKBENCH TAB STRIP ======================== */
.ic-workbench-bar {
  position: relative;
  height: 44px;
  flex-shrink: 0;
  width: 100%;
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 8px;
  background: var(--ic-tabwell);
  border-bottom: 1px solid var(--ic-border);
  z-index: 54;
}

.ic-tabs-rail {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  align-items: stretch;
  padding-left: 8px;
  gap: 2px;
}

.ic-tab-nav-btn {
  flex-shrink: 0;
  align-self: center;
  width: 24px;
  height: 28px;
  border: 1px solid var(--ic-border);
  background: var(--ic-panel-solid);
  color: var(--ic-text);
  border-radius: 7px;
  font-size: 15px;
  font-weight: 800;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
  transition: all 0.14s ease;
}

.ic-tab-nav-btn:hover:not(:disabled) {
  border-color: var(--vermilion);
  color: var(--vermilion);
}

.ic-tab-nav-btn:disabled {
  opacity: 0.35;
  cursor: default;
}

.ic-tabs-track {
  flex: 0 1 auto;
  min-width: 0;
  display: flex;
  align-items: flex-end;
  gap: 2px;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  scroll-behavior: smooth;
  padding-top: 5px;
}

.ic-tabs-track::-webkit-scrollbar {
  display: none;
}

/* Chrome / Figma Adaptive Folder Tab:
 * 1-5 tabs -> generous 192px;
 * 6-10 tabs -> smoothly compresses down to 96px (active stays >=146px) so ALL tabs stay visible;
 * 11+ tabs -> scrollable with ‹ › buttons + All-Tabs ▾ menu!
 */
.ic-doc-tab {
  position: relative;
  flex: 0 1 192px;
  width: 192px;
  min-width: 96px;
  height: 36px;
  padding: 0 8px 0 11px;
  border-radius: 9px 9px 0 0;
  border: 1px solid transparent;
  border-bottom: 0;
  background: transparent;
  color: var(--ic-muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: background-color 0.14s ease, color 0.14s ease;
}

.ic-doc-tab::after {
  content: "";
  position: absolute;
  right: -2px;
  top: 9px;
  height: 16px;
  width: 1px;
  background: var(--ic-border-strong);
  opacity: 0.55;
  pointer-events: none;
}

.ic-doc-tab:hover::after,
.ic-doc-tab.is-active::after,
.ic-doc-tab:has(+ .ic-doc-tab.is-active)::after,
.ic-doc-tab:has(+ .ic-doc-tab:hover)::after,
.ic-doc-tab:last-child::after {
  opacity: 0;
}

.ic-doc-tab:hover:not(.is-active) {
  background: rgba(255, 253, 249, 0.54);
  color: var(--ic-text);
}

.ic-studio-shell[data-canvas-theme="dark"] .ic-doc-tab:hover:not(.is-active) {
  background: rgba(255, 255, 255, 0.07);
}

.ic-doc-tab.is-active {
  flex-shrink: 0.3;
  min-width: 148px;
  height: 38px;
  background: var(--ic-bg);
  color: var(--ic-text);
  border-color: var(--ic-border);
  margin-bottom: -1px;
  padding-bottom: 1px;
  box-shadow: inset 0 2.5px 0 var(--vermilion), 0 -2px 10px rgba(28, 22, 16, 0.06);
  z-index: 3;
}

.ic-doc-tab-icon {
  flex-shrink: 0;
  font-size: 13px;
  line-height: 1;
}

.ic-doc-tab-title {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 12.4px;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ic-doc-tab.is-active .ic-doc-tab-title {
  font-weight: 850;
}

.ic-doc-tab-dirty {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--vermilion);
  flex-shrink: 0;
}

.ic-doc-tab-close {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: inherit;
  font-size: 13px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.12s ease, background-color 0.12s ease;
}

.ic-doc-tab:hover .ic-doc-tab-close,
.ic-doc-tab.is-active .ic-doc-tab-close {
  opacity: 0.68;
}

.ic-doc-tab-close:hover {
  opacity: 1 !important;
  background: rgba(183, 66, 39, 0.15);
  color: var(--vermilion);
}

.ic-tab-rename-inp {
  flex: 1 1 auto;
  min-width: 0;
  width: 100%;
  border: 1px solid var(--vermilion);
  background: var(--ic-panel-solid);
  color: var(--ic-text);
  border-radius: 5px;
  padding: 1px 5px;
  font-size: 12.2px;
  font-weight: 800;
  outline: none;
}

.ic-tabs-pinned {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 0 8px 0 4px;
}

.ic-tab-action-pill {
  height: 29px;
  border: 1px solid var(--ic-border-strong);
  background: var(--ic-panel-solid);
  color: var(--ic-text);
  border-radius: 8px;
  padding: 0 9px;
  font-size: 12px;
  font-weight: 780;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
  transition: all 0.14s ease;
}

.ic-tab-action-pill:hover,
.ic-tab-action-pill.is-overflowing {
  border-color: var(--vermilion);
  color: var(--vermilion);
}

/* All-Tabs Vertical Quick Switcher Popover */
.ic-all-tabs-popover {
  position: fixed;
  z-index: 88;
  width: 332px;
  max-height: min(460px, 72dvh);
  background: var(--ic-panel-solid, #fffdf9);
  border: 1px solid var(--ic-border-strong, #c5b8a4);
  border-radius: 14px;
  box-shadow: var(--ic-dock-shadow, 0 18px 44px rgba(24, 20, 17, 0.22));
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--ic-text, #1f1b17);
}

.ic-all-tabs-list {
  overflow-y: auto;
  display: grid;
  gap: 3px;
  max-height: 340px;
}

.ic-all-tabs-item {
  border: 1px solid transparent;
  background: transparent;
  color: var(--ic-text);
  border-radius: 9px;
  padding: 7px 9px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  cursor: pointer;
  text-align: left;
}

.ic-all-tabs-item:hover {
  background: var(--ic-surface);
}

.ic-all-tabs-item.is-active {
  background: var(--vermilion-wash);
  border-color: var(--vermilion-border);
  color: var(--vermilion);
}

.ic-workbench-tools {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px 0 4px;
}

.ic-view-seg {
  display: inline-flex;
  align-items: center;
  background: var(--ic-panel-solid);
  border: 1px solid var(--ic-border-strong);
  border-radius: 9px;
  padding: 2px;
  gap: 2px;
}

.ic-view-seg-btn {
  border: 0;
  background: transparent;
  color: var(--ic-muted);
  border-radius: 7px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all 0.14s ease;
}

.ic-view-seg-btn:hover {
  color: var(--ic-text);
}

.ic-view-seg-btn.is-active {
  background: var(--vermilion);
  color: #fffdf9;
  box-shadow: 0 2px 6px rgba(183, 66, 39, 0.25);
}

/* ======================== STAGE WRAPPER & CANVAS TOOLSTRIP ======================== */
.ic-stage-wrap {
  position: relative;
  flex: 1;
  min-height: 0;
  width: 100%;
  overflow: hidden;
}

.ic-canvas-stage {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.ic-canvas-toolstrip {
  position: absolute;
  top: 12px;
  left: 242px;
  z-index: 44;
  display: flex;
  align-items: center;
  gap: 8px;
  pointer-events: none;
  transition: left 0.2s ease;
}

.ic-canvas-stage.shelf-collapsed .ic-canvas-toolstrip {
  left: 12px;
}

/* ======================== WIDE STATIONARY PROMPT COMPOSER DOCK ======================== */
.ic-prompt-dock {
  position: absolute;
  bottom: 12px;
  left: 242px;
  right: 220px;
  margin: 0 auto;
  max-width: 900px;
  z-index: 45;
  background: var(--ic-panel);
  backdrop-filter: blur(18px);
  border: 1.5px solid var(--ic-border-strong);
  border-radius: 16px;
  box-shadow: 0 18px 48px rgba(24, 18, 12, 0.18);
  color: var(--ic-text);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: left 0.2s ease, right 0.2s ease;
}

.ic-canvas-stage.shelf-collapsed .ic-prompt-dock {
  left: 18px;
}

.ic-canvas-stage.minimap-hidden .ic-prompt-dock {
  right: 18px;
}

.ic-prompt-dock.is-minimized {
  width: min(640px, calc(100% - 32px));
  max-width: 640px;
  border-radius: 999px;
}

.ic-pd-min-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 6px 8px 6px 12px;
  min-height: 46px;
  width: 100%;
  flex-wrap: nowrap;
}

.ic-pd-min-left {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 0;
  cursor: pointer;
  overflow: hidden;
}

.ic-pd-min-text {
  flex: 1;
  min-width: 0;
  font-size: 12.5px;
  color: var(--ic-ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ic-pd-min-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  white-space: nowrap;
}

.ic-pd-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 7px 12px;
  background: var(--ic-surface);
  border-bottom: 1px solid var(--ic-border);
  flex-wrap: wrap;
}

.ic-pd-target-select {
  border: 1px solid var(--ic-border-strong);
  background: var(--ic-panel-solid);
  color: var(--ic-text);
  border-radius: 7px;
  padding: 3px 8px;
  font-size: 12.2px;
  font-weight: 800;
  max-width: 230px;
  outline: none;
}

.ic-pd-mini-select {
  border: 1px solid var(--ic-border);
  background: var(--ic-panel-solid);
  color: var(--ic-text);
  border-radius: 7px;
  padding: 3px 6px;
  font-size: 11.8px;
  font-weight: 750;
  outline: none;
  cursor: pointer;
}

.ic-pd-adv-tray {
  padding: 9px 14px;
  background: var(--ic-surface);
  border-bottom: 1px dashed var(--ic-border-strong);
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 220px;
  overflow-y: auto;
}

.ic-pd-editor-wrap {
  padding: 10px 14px 8px;
  background: var(--ic-panel-solid);
}

.ic-pd-textarea {
  width: 100%;
  min-height: 104px;
  max-height: 300px;
  border: 1px solid var(--ic-border);
  background: var(--ic-panel-solid);
  color: var(--ic-text);
  border-radius: 10px;
  padding: 10px 13px;
  font-size: 14.5px;
  line-height: 1.62;
  resize: vertical;
  outline: none;
  user-select: text;
  transition: border-color 0.14s ease, box-shadow 0.14s ease;
}

.ic-pd-textarea.is-tall {
  min-height: 170px;
}

.ic-pd-textarea:focus {
  border-color: var(--vermilion);
  box-shadow: 0 0 0 3px rgba(183, 66, 39, 0.12);
}

.ic-pd-foot {
  padding: 6px 14px 10px;
  background: var(--ic-panel-solid);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.ic-pd-chip {
  border: 1px solid var(--ic-border);
  background: var(--ic-surface);
  color: var(--ic-muted);
  border-radius: 999px;
  padding: 3px 9px;
  font-size: 11.6px;
  font-weight: 750;
  transition: all 0.12s ease;
}

.ic-pd-chip:hover {
  border-color: var(--vermilion);
  color: var(--vermilion);
  background: var(--vermilion-wash);
}

.ic-pd-run-btn {
  border: 0;
  border-radius: 10px;
  background: var(--vermilion);
  color: #fffdf9;
  padding: 8px 18px;
  font-size: 13.2px;
  font-weight: 850;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 4px 14px rgba(183, 66, 39, 0.3);
  transition: transform 0.12s ease, filter 0.12s ease;
}

.ic-pd-run-btn:hover {
  filter: brightness(1.06);
}

/* ======================== CLEAN GENERATOR CARD CAPTION & PROMPT NODE ======================== */
.ic-gen-visual-box {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow: hidden;
  background: var(--ic-surface);
  display: flex;
  flex-direction: column;
}

.ic-gen-spec-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 4;
  background: rgba(24, 20, 17, 0.72);
  backdrop-filter: blur(6px);
  color: #fffdf9;
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 10.5px;
  font-weight: 780;
  pointer-events: none;
}

.ic-gen-caption-foot {
  padding: 8px 10px;
  border-top: 1px solid var(--ic-border);
  background: var(--ic-panel-solid);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-shrink: 0;
  cursor: pointer;
}

.ic-gen-caption-foot:hover {
  background: var(--ic-surface);
}

.ic-gen-caption-text {
  flex: 1;
  min-width: 0;
  font-size: 11.8px;
  line-height: 1.42;
  color: var(--ic-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ic-gen-inline-run {
  border: 0;
  border-radius: 8px;
  background: var(--vermilion);
  color: #fffdf9;
  padding: 6px 10px;
  font-size: 11.5px;
  font-weight: 850;
  white-space: nowrap;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(183, 66, 39, 0.24);
}

.ic-gen-inline-run:hover {
  filter: brightness(1.06);
}

/* Standalone Large Prompt Card Node on Canvas */
.ic-prompt-card-body {
  width: 100%;
  height: 100%;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ic-prompt-card-ta {
  flex: 1;
  width: 100%;
  border: 1px solid var(--ic-border);
  background: var(--ic-surface);
  color: var(--ic-text);
  border-radius: 10px;
  padding: 9px 11px;
  font-size: 13px;
  line-height: 1.55;
  resize: none;
  outline: none;
  user-select: text;
}

.ic-prompt-card-ta:focus {
  border-color: var(--vermilion);
  background: var(--ic-panel-solid);
}

/* 3-Step Batch Workstation Buttons */
.ic-step-actions {
  display: grid;
  gap: 5px;
}

.ic-step-btn {
  width: 100%;
  border: 1px solid var(--ic-border-strong);
  background: var(--ic-panel-solid);
  color: var(--ic-text);
  border-radius: 8px;
  padding: 6px 9px;
  font-size: 11.8px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  transition: all 0.14s ease;
}

.ic-step-btn:hover {
  border-color: var(--vermilion);
}

.ic-step-btn.step-primary {
  background: var(--vermilion);
  border-color: var(--vermilion);
  color: #fffdf9;
}

.ic-step-btn.step-zip {
  background: #1f6f4a;
  border-color: #1f6f4a;
  color: #fffdf9;
}

/* ======================== FULL-SCREEN EDITORIAL LAYOUT PREVIEW STUDIO ======================== */
.ic-preview-stage {
  position: absolute;
  inset: 0;
  z-index: 48;
  background: var(--ic-bg);
  color: var(--ic-text);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  user-select: text;
}

.ic-pv-topbar {
  min-height: 48px;
  height: 48px;
  flex-shrink: 0;
  padding: 6px 20px;
  background: var(--ic-panel-solid, #fffdf9);
  border-bottom: 1px solid var(--ic-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: nowrap;
  white-space: nowrap;
  position: relative;
  z-index: 6;
}

.ic-pv-body {
  flex: 1;
  min-height: 0;
  display: flex;
  overflow: hidden;
}

.ic-pv-outline {
  width: 288px;
  flex-shrink: 0;
  border-right: 1px solid var(--ic-border);
  background: var(--ic-surface);
  padding: 14px 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ic-hist-art-list {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 2px 2px 4px 0;
}

.ic-hist-art-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 9px;
  border-radius: 10px;
  border: 1px solid var(--ic-border);
  background: var(--ic-panel-solid);
  cursor: pointer;
  transition: border-color 0.14s ease, background 0.14s ease, box-shadow 0.14s ease;
}

.ic-hist-art-item:hover {
  border-color: var(--vermilion);
}

.ic-hist-art-item.is-active {
  border-color: var(--vermilion);
  background: var(--vermilion-wash, rgba(183, 66, 39, 0.08));
  box-shadow: 0 2px 10px rgba(183, 66, 39, 0.1);
}

.ic-hist-art-thumb {
  width: 44px;
  height: 34px;
  border-radius: 6px;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--ic-bg);
  border: 1px solid var(--ic-border);
}

.ic-hist-art-placeholder {
  width: 44px;
  height: 34px;
  border-radius: 6px;
  flex-shrink: 0;
  background: var(--ic-bg);
  border: 1px dashed var(--ic-border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--ic-muted);
}

.ic-hist-art-foot {
  flex-shrink: 0;
  padding-top: 10px;
  border-top: 1px solid var(--ic-border);
  margin-top: auto;
}

/* Paginated All-Articles Browse View */
.ic-art-page-scroll {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 26px 32px 48px;
}

.ic-art-page-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.ic-art-page-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(332px, 1fr));
  gap: 18px;
}

.ic-art-page-card {
  border-radius: 16px;
  border: 1px solid var(--ic-border);
  background: var(--ic-panel-solid);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(28, 22, 16, 0.05);
  transition: border-color 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease;
}

.ic-art-page-card:hover {
  border-color: var(--vermilion);
  box-shadow: 0 10px 26px rgba(183, 66, 39, 0.12);
  transform: translateY(-2px);
}

.ic-art-page-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--ic-surface);
  border-bottom: 1px solid var(--ic-border);
  overflow: hidden;
}

.ic-art-page-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.24s ease;
}

.ic-art-page-card:hover .ic-art-page-cover img {
  transform: scale(1.02);
}

.ic-art-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 0 4px;
  flex-wrap: wrap;
}

@media (prefers-reduced-motion: reduce) {
  .ic-art-page-card,
  .ic-art-page-cover img {
    transition: none !important;
    transform: none !important;
  }
}

.ic-pv-slot-card {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px;
  border-radius: 10px;
  border: 1px solid var(--ic-border);
  background: var(--ic-panel-solid);
  cursor: pointer;
  transition: border-color 0.14s ease;
}

.ic-pv-slot-card:hover {
  border-color: var(--vermilion);
}

.ic-pv-slot-card img {
  width: 48px;
  height: 36px;
  border-radius: 6px;
  object-fit: contain;
  flex-shrink: 0;
  background: var(--ic-surface);
}

.ic-pv-main-scroll {
  flex: 1;
  min-width: 0;
  overflow-y: auto;
  padding: 28px 36px 64px;
}

.ic-pv-article-sheet {
  margin: 0 auto;
  max-width: 840px;
  background: var(--ic-panel-solid);
  border: 1px solid var(--ic-border);
  border-radius: 20px;
  padding: 40px 52px;
  box-shadow: 0 12px 36px rgba(28, 22, 16, 0.07);
}

.ic-pv-article-sheet.is-mobile {
  max-width: 430px;
  padding: 24px 20px;
  border-radius: 28px;
  border-width: 3px;
  border-color: var(--ic-border-strong);
}

.ic-pv-split-grid {
  display: grid;
  grid-template-columns: minmax(360px, 1fr) minmax(420px, 1.15fr);
  gap: 24px;
  height: 100%;
  padding: 20px 24px;
  overflow: hidden;
}

.ic-pv-md-pane {
  display: flex;
  flex-direction: column;
  background: var(--ic-panel-solid);
  border: 1px solid var(--ic-border);
  border-radius: 16px;
  overflow: hidden;
}

.ic-pv-md-editor {
  flex: 1;
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--ic-text);
  padding: 18px 20px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.7;
  resize: none;
  outline: none;
}

.ic-pv-illust-figure {
  position: relative;
  margin: 22px 0;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--ic-border);
  background: var(--ic-surface);
}

.ic-pv-illust-figure img {
  width: 100%;
  display: block;
}

.ic-pv-illust-actions {
  position: absolute;
  top: 10px;
  right: 10px;
  display: flex;
  gap: 6px;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.ic-pv-illust-figure:hover .ic-pv-illust-actions {
  opacity: 1;
}

/* Xiaohongshu Wide Preview: Left Phone Simulator + Right Full Deck Grid */
.ic-pv-xhs-layout {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 400px 1fr;
  overflow: hidden;
}

.ic-pv-xhs-phone-col {
  border-right: 1px solid var(--ic-border);
  background: var(--ic-surface);
  padding: 22px 24px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.ic-pv-xhs-grid-col {
  padding: 24px 32px 56px;
  overflow-y: auto;
}

.ic-pv-xhs-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(248px, 1fr));
  gap: 20px;
}

.ic-pv-xhs-card {
  background: var(--ic-panel-solid);
  border: 1px solid var(--ic-border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--ic-node-shadow);
  display: flex;
  flex-direction: column;
}

.ic-pv-xhs-card.is-current {
  border-color: var(--vermilion);
  box-shadow: 0 0 0 2.5px rgba(183, 66, 39, 0.22), var(--ic-node-shadow);
}

/* Wide Modal Helper for Zen Prompt, Ingredient Picker & Storyboard Table */
.hw-modal-panel.modal-wide,
.modal-card.modal-wide {
  max-width: min(1040px, 95vw) !important;
  width: 1040px !important;
}


/* ======================== STUDIO V4: UNIFIED INPUT & OUTPUT NODES ======================== */
.ic-badge-input {
  background: rgba(40, 110, 73, 0.14);
  color: #1f6f4a;
}

.ic-badge-output-ctrl {
  background: rgba(183, 66, 39, 0.16);
  color: var(--vermilion);
}

.ic-badge-output-disp {
  background: rgba(37, 99, 235, 0.14);
  color: #2563eb;
}

.ic-badge-bridge {
  background: rgba(217, 119, 6, 0.15);
  color: #b45309;
}

.ic-badge-loop {
  background: rgba(13, 148, 136, 0.15);
  color: #0f766e;
}

.ic-studio-shell[data-canvas-theme="dark"] .ic-badge-input {
  background: rgba(40, 110, 73, 0.3);
  color: #7ce2a9;
}

.ic-studio-shell[data-canvas-theme="dark"] .ic-badge-output-ctrl {
  background: rgba(183, 66, 39, 0.3);
  color: #ff9c82;
}

.ic-studio-shell[data-canvas-theme="dark"] .ic-badge-output-disp {
  background: rgba(37, 99, 235, 0.3);
  color: #93c5fd;
}

.ic-studio-shell[data-canvas-theme="dark"] .ic-badge-bridge {
  background: rgba(217, 119, 6, 0.32);
  color: #fcd34d;
}

.ic-studio-shell[data-canvas-theme="dark"] .ic-badge-loop {
  background: rgba(13, 148, 136, 0.32);
  color: #5eead4;
}

.ic-node-bridge {
  border-color: rgba(217, 119, 6, 0.42);
}

.ic-node-loop {
  border-color: rgba(13, 148, 136, 0.44);
}

.ic-node-loop:hover {
  border-color: rgba(13, 148, 136, 0.72);
}

.ic-loop-mode-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 5px;
}

.ic-loop-mode-btn {
  border: 1px solid var(--ic-border);
  background: var(--ic-surface);
  color: var(--ic-text);
  border-radius: 8px;
  padding: 5px 4px;
  font-size: 11px;
  font-weight: 800;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  cursor: pointer;
  transition: all 0.14s ease;
}

.ic-loop-mode-btn:hover {
  border-color: #0d9488;
}

.ic-loop-mode-btn.is-active {
  background: rgba(13, 148, 136, 0.13);
  border-color: #0d9488;
  color: #0f766e;
  box-shadow: 0 0 0 1px rgba(13, 148, 136, 0.2);
}

.ic-studio-shell[data-canvas-theme="dark"] .ic-loop-mode-btn.is-active {
  background: rgba(13, 148, 136, 0.28);
  color: #5eead4;
  border-color: #2dd4bf;
}

.ic-loop-list-ta {
  width: 100%;
  min-height: 92px;
  max-height: 156px;
  border: 1px solid var(--ic-border-strong);
  background: var(--ic-surface);
  color: var(--ic-text);
  border-radius: 9px;
  padding: 7px 9px;
  font-size: 12px;
  line-height: 1.54;
  resize: vertical;
  outline: none;
  user-select: text;
}

.ic-loop-list-ta:focus {
  border-color: #0d9488;
  background: var(--ic-panel-solid);
  box-shadow: 0 0 0 2px rgba(13, 148, 136, 0.14);
}

.ic-loop-item-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  max-height: 148px;
  overflow-y: auto;
  padding-right: 2px;
}

.ic-loop-item-card {
  position: relative;
  border: 1px solid var(--ic-border);
  background: var(--ic-surface);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 6px 4px 4px;
}

.ic-loop-item-card img {
  width: 34px;
  height: 28px;
  border-radius: 5px;
  object-fit: contain;
  flex-shrink: 0;
  border: 1px solid var(--ic-border);
}

.ic-loop-progress-wrap {
  padding: 7px 9px;
  border-radius: 9px;
  background: rgba(13, 148, 136, 0.09);
  border: 1px solid rgba(13, 148, 136, 0.3);
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.ic-loop-progress-track {
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: rgba(13, 148, 136, 0.16);
  overflow: hidden;
}

.ic-loop-progress-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #0d9488 0%, #14b8a6 100%);
  transition: width 0.2s ease;
}

.ic-loop-run-btn {
  width: 100%;
  border: 0;
  border-radius: 10px;
  padding: 9px 12px;
  background: linear-gradient(135deg, #0f766e 0%, #0d9488 100%);
  color: #fffdf9;
  font-size: 12.8px;
  font-weight: 850;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  box-shadow: 0 5px 14px rgba(13, 148, 136, 0.28);
  transition: transform 0.12s ease, filter 0.12s ease, opacity 0.12s ease;
}

.ic-loop-run-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  filter: brightness(1.06);
}

.ic-loop-run-btn:disabled {
  opacity: 0.72;
  cursor: wait;
}

.ic-bridge-hub-box {
  padding: 8px 10px;
  border-radius: 9px;
  background: var(--ic-surface);
  border: 1px dashed rgba(217, 119, 6, 0.45);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ic-bridge-add-btn {
  width: 100%;
  border: 1px solid rgba(217, 119, 6, 0.45);
  background: rgba(217, 119, 6, 0.1);
  color: #b45309;
  border-radius: 9px;
  padding: 6px 10px;
  font-size: 11.5px;
  font-weight: 850;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  transition: all 0.14s ease;
}

.ic-bridge-add-btn:hover {
  background: #d97706;
  border-color: #d97706;
  color: #fff;
}

.ic-studio-shell[data-canvas-theme="dark"] .ic-bridge-add-btn {
  color: #fcd34d;
  background: rgba(217, 119, 6, 0.22);
}

.ic-studio-shell[data-canvas-theme="dark"] .ic-bridge-add-btn:hover {
  background: #d97706;
  color: #fff;
}

.ic-toolbox-readonly-note {
  border: 1px dashed var(--ic-border-strong);
  background: var(--ic-surface);
  border-radius: 10px;
  padding: 8px 10px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  opacity: 0.88;
}

/* V4 Card Shell */
.ic-v4-card {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ic-v4-section {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.ic-v4-row-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  font-size: 11.5px;
  font-weight: 800;
  color: var(--ic-ink);
}

.ic-v4-slot-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.ic-v4-visual-slot {
  border: 1px dashed var(--ic-border-strong);
  background: var(--ic-surface);
  border-radius: 10px;
  overflow: hidden;
  min-height: 92px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  cursor: pointer;
  transition: border-color 0.14s ease, background 0.14s ease;
}

.ic-v4-visual-slot:hover {
  border-color: var(--vermilion);
}

.ic-v4-visual-slot.is-filled {
  border-style: solid;
  border-color: var(--ic-border);
  background: var(--ic-panel-solid);
  justify-content: flex-start;
}

.ic-v4-slot-thumb {
  width: 100%;
  height: 68px;
  object-fit: contain;
  object-position: center;
  background: var(--ic-surface);
  display: block;
}

.ic-v4-slot-meta {
  padding: 5px 7px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
  font-size: 11px;
  font-weight: 800;
}

.ic-v4-chip-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  min-height: 24px;
  align-items: center;
}

.ic-v4-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--ic-surface);
  border: 1px solid var(--ic-border);
  font-size: 11px;
  font-weight: 750;
  color: var(--ic-ink);
}

.ic-v4-tag button {
  border: 0;
  background: transparent;
  color: var(--ic-muted);
  cursor: pointer;
  padding: 0 1px;
  font-size: 12px;
  line-height: 1;
}

.ic-v4-tag button:hover {
  color: #dc2626;
}

.ic-v4-mini-inp {
  width: 100%;
  border: 1px solid var(--ic-border);
  background: var(--ic-panel-solid);
  color: var(--ic-text);
  border-radius: 7px;
  padding: 5px 8px;
  font-size: 11.5px;
  outline: none;
}

.ic-v4-mini-inp:focus {
  border-color: var(--vermilion);
}

/* Mode Grid on Output Control */
.ic-ctrl-mode-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}

.ic-ctrl-mode-btn {
  border: 1px solid var(--ic-border);
  background: var(--ic-surface);
  color: var(--ic-text);
  border-radius: 9px;
  padding: 7px 6px;
  font-size: 11.5px;
  font-weight: 800;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  cursor: pointer;
  transition: all 0.14s ease;
}

.ic-ctrl-mode-btn:hover {
  border-color: var(--vermilion);
}

.ic-ctrl-mode-btn.is-active {
  background: rgba(183, 66, 39, 0.12);
  border-color: var(--vermilion);
  color: var(--vermilion);
  box-shadow: 0 0 0 1px rgba(183, 66, 39, 0.18);
}

.ic-ctrl-seg {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.ic-ctrl-pill {
  border: 1px solid var(--ic-border);
  background: var(--ic-surface);
  color: var(--ic-text);
  border-radius: 7px;
  padding: 3px 9px;
  font-size: 11.2px;
  font-weight: 750;
  cursor: pointer;
  transition: all 0.12s ease;
}

.ic-ctrl-pill:hover {
  border-color: var(--vermilion);
}

.ic-ctrl-pill.is-active {
  background: var(--vermilion);
  border-color: var(--vermilion);
  color: #fff;
}

/* Flexible Image Count Row (Quick Pills + Custom Editable Number Input) */
.ic-count-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  flex-wrap: wrap;
}

.ic-count-custom-box {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  border: 1px solid var(--ic-border-strong);
  background: var(--ic-panel-solid);
  border-radius: 8px;
  padding: 1px 6px 1px 3px;
  height: 27px;
  flex-shrink: 0;
}

.ic-count-custom-box:focus-within {
  border-color: var(--vermilion);
  box-shadow: 0 0 0 2px rgba(183, 66, 39, 0.14);
}

.ic-count-step-btn {
  border: 0;
  background: var(--ic-surface);
  color: var(--ic-text);
  width: 20px;
  height: 20px;
  border-radius: 5px;
  font-size: 12px;
  font-weight: 900;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.ic-count-step-btn:hover {
  background: var(--vermilion);
  color: #fff;
}

.ic-count-inp {
  width: 36px;
  border: 0;
  background: transparent;
  color: var(--ic-ink);
  font-size: 12px;
  font-weight: 850;
  font-family: var(--font-mono);
  text-align: center;
  outline: none;
  padding: 0 2px;
  -moz-appearance: textfield;
}

.ic-count-inp::-webkit-outer-spin-button,
.ic-count-inp::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Custom Aspect Ratio Input Box alongside Presets */
.ic-ratio-custom-wrap {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--ic-surface);
  border: 1px solid var(--ic-border-strong);
  border-radius: 7px;
  padding: 2px 7px;
  transition: border-color 0.14s ease, background 0.14s ease, box-shadow 0.14s ease;
}

.ic-ratio-custom-wrap:focus-within,
.ic-ratio-custom-wrap.is-custom-active {
  border-color: var(--vermilion);
  background: rgba(183, 66, 39, 0.08);
  box-shadow: 0 0 0 2px rgba(183, 66, 39, 0.12);
}

.ic-ratio-custom-lbl {
  font-size: 10.5px;
  font-weight: 800;
  color: var(--ic-muted);
  white-space: nowrap;
}

.ic-ratio-custom-wrap.is-custom-active .ic-ratio-custom-lbl {
  color: var(--vermilion);
}

.ic-ratio-custom-inp {
  width: 68px;
  border: 0;
  background: transparent;
  color: var(--ic-ink);
  font-family: var(--font-mono);
  font-size: 11.4px;
  font-weight: 800;
  text-align: center;
  padding: 1px 2px;
  outline: none;
}

.ic-ratio-custom-inp::placeholder {
  color: var(--ic-muted);
  opacity: 0.72;
  font-weight: 650;
  font-family: var(--font-sans, inherit);
  font-size: 10.5px;
}

/* Scrollable Assembled Prompt Preview Box inside Output Control */
.ic-assembled-box {
  margin-top: 6px;
  padding: 9px 11px;
  max-height: 132px;
  overflow-y: auto;
  overflow-x: hidden;
  border-radius: 9px;
  background: var(--ic-surface);
  border: 1px solid var(--ic-border-strong);
  color: var(--ic-text);
  font-size: 11.3px;
  line-height: 1.56;
  word-break: break-word;
  white-space: pre-wrap;
  user-select: text;
  flex-shrink: 0;
}

.ic-ctrl-generate-btn {
  width: 100%;
  border: 0;
  border-radius: 11px;
  padding: 10px 14px;
  background: var(--vermilion);
  color: #fff;
  font-size: 13.5px;
  font-weight: 850;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  box-shadow: 0 6px 16px rgba(183, 66, 39, 0.28);
  transition: transform 0.12s ease, opacity 0.12s ease;
}

.ic-ctrl-generate-btn:hover {
  transform: translateY(-1px);
}

.ic-ctrl-generate-btn:disabled {
  opacity: 0.72;
  cursor: wait;
}

/* Text Input File Attachment Banner */
.ic-file-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 5px 9px;
  border-radius: 8px;
  background: rgba(31, 111, 74, 0.1);
  border: 1px solid rgba(31, 111, 74, 0.28);
  color: #1f6f4a;
  font-size: 11.2px;
  font-weight: 800;
}

.ic-studio-shell[data-canvas-theme="dark"] .ic-file-banner {
  color: #7ce2a9;
  background: rgba(40, 110, 73, 0.25);
}

/* Output Display Auto-Spawned Card */
.ic-disp-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  max-height: 360px;
  overflow-y: auto;
  padding-right: 2px;
}

.ic-disp-item {
  border: 1px solid var(--ic-border);
  background: var(--ic-surface);
  border-radius: 10px;
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
}

.ic-disp-item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  object-position: center;
  background: var(--ic-surface);
  display: block;
  cursor: zoom-in;
}

.ic-disp-single-wrap {
  position: relative;
  border-radius: 11px;
  overflow: hidden;
  background: var(--ic-surface);
  border: 1px solid var(--ic-border);
}

.ic-disp-single-wrap img {
  width: 100%;
  height: 224px;
  object-fit: contain;
  object-position: center;
  background: var(--ic-surface);
  display: block;
  cursor: zoom-in;
}

.ic-disp-deliverable-bar {
  padding: 8px 10px;
  border-radius: 10px;
  background: var(--ic-surface);
  border: 1px solid var(--ic-border);
  display: flex;
  flex-direction: column;
  gap: 7px;
}

/* Standalone Generation History Stage & Editorial Cards */
.ic-history-stage {
  position: absolute;
  inset: 0;
  z-index: 48;
  background: var(--ic-bg);
  color: var(--ic-text);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  user-select: text;
}

.ic-hist-page-scroll {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 26px 32px 52px;
}

.ic-hist-page-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.ic-hist-entry-card {
  border: 1px solid var(--ic-border);
  background: var(--ic-panel-solid);
  border-radius: 16px;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 4px 16px rgba(28, 22, 16, 0.045);
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

.ic-hist-entry-card:hover {
  border-color: var(--vermilion-border, rgba(183, 66, 39, 0.38));
  box-shadow: 0 8px 24px rgba(28, 22, 16, 0.08);
}

.ic-hist-entry-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.ic-hist-gallery {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding: 2px 0 4px;
}

.ic-hist-img-tile {
  position: relative;
  flex-shrink: 0;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--ic-border);
  background: var(--ic-surface);
  cursor: pointer;
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.ic-hist-img-tile:hover,
.ic-hist-img-tile.is-selected {
  border-color: var(--vermilion);
  box-shadow: 0 6px 18px rgba(183, 66, 39, 0.16);
}

.ic-hist-img-tile img {
  height: 136px;
  width: auto;
  min-width: 112px;
  max-width: 320px;
  object-fit: cover;
  display: block;
  transition: transform 0.22s ease;
}

.ic-hist-img-tile:hover img {
  transform: scale(1.02);
}

.ic-hist-img-badge {
  position: absolute;
  top: 7px;
  left: 7px;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(24, 19, 15, 0.72);
  color: #fffdf9;
  font-size: 10.5px;
  font-weight: 750;
  backdrop-filter: blur(4px);
}

.ic-hist-img-caption {
  padding: 5px 9px;
  font-size: 11.2px;
  color: var(--ic-ink);
  font-weight: 700;
  max-width: 240px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  border-top: 1px solid var(--ic-border);
  background: var(--ic-panel-solid);
}

.ic-hist-inline-preview {
  border: 1px solid var(--vermilion-border, rgba(183, 66, 39, 0.35));
  background: var(--ic-surface);
  border-radius: 12px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ic-hist-inline-preview img {
  max-height: 460px;
  max-width: 100%;
  width: auto;
  margin: 0 auto;
  display: block;
  border-radius: 10px;
  border: 1px solid var(--ic-border);
  background: var(--ic-panel-solid);
}

.ic-hist-prompt-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 10px;
  background: var(--ic-surface);
  border: 1px dashed var(--ic-border-strong);
  font-size: 11.8px;
  color: var(--ic-muted);
}

.ic-hist-prompt-snippet {
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ic-hist-prompt-full {
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--ic-surface);
  border: 1px solid var(--ic-border);
  font-size: 12.2px;
  line-height: 1.65;
  color: var(--ic-ink);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 260px;
  overflow-y: auto;
}

/* Standalone Saved Workflows Stage & Cards */
.ic-workflows-stage {
  position: absolute;
  inset: 0;
  z-index: 48;
  background: var(--ic-bg);
  color: var(--ic-text);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  user-select: text;
}

.ic-wf-page-scroll {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 26px 32px 52px;
}

.ic-wf-page-inner {
  max-width: 1020px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.ic-wf-entry-card {
  border: 1px solid var(--ic-border);
  background: var(--ic-panel-solid);
  border-radius: 16px;
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  box-shadow: 0 4px 16px rgba(28, 22, 16, 0.045);
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

.ic-wf-entry-card:hover {
  border-color: var(--vermilion-border, rgba(183, 66, 39, 0.4));
  box-shadow: 0 8px 24px rgba(28, 22, 16, 0.08);
}

@media (prefers-reduced-motion: reduce) {
  .ic-hist-entry-card,
  .ic-hist-img-tile,
  .ic-hist-img-tile img,
  .ic-wf-entry-card,
  .ic-canvas-save-btn {
    transition: none !important;
    transform: none !important;
  }
}


/* ======================== ARTICLE PLAN CANVAS NODE & NOTION-STYLE WIDE PAGE ======================== */

.ic-node-article_plan .ic-v4-card {
  cursor: pointer;
  transition: border-color 0.16s ease, box-shadow 0.16s ease, transform 0.14s ease;
}

.ic-node-article_plan .ic-v4-card:hover {
  border-color: var(--vermilion);
  box-shadow: 0 10px 26px rgba(183, 66, 39, 0.14);
}

.ic-aplan-mini-list {
  display: flex;
  flex-direction: column;
  gap: 5px;
  max-height: 176px;
  overflow: hidden;
}

.ic-aplan-mini-row {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 5px 8px;
  border-radius: 8px;
  background: var(--ic-surface);
  border: 1px solid var(--ic-border);
  font-size: 11px;
  min-height: 30px;
}

.ic-aplan-mini-thumb {
  width: 32px;
  height: 22px;
  border-radius: 4px;
  object-fit: contain;
  flex-shrink: 0;
  border: 1px solid var(--ic-border);
}

/* Read-Only Article Typography in Wide Page */
.ic-readonly-art-block {
  user-select: text;
  position: relative;
}

.ic-pv-article-sheet.is-notion-dragging,
.ic-pv-article-sheet.is-notion-dragging * {
  user-select: none !important;
  cursor: grabbing !important;
}

/* Notion-Style Hover Inserter Gutter Between Read-Only Blocks */
.ic-notion-gap {
  position: relative;
  height: 18px;
  margin: 1px 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ic-notion-gap::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  border-top: 1.5px dashed var(--vermilion);
  opacity: 0;
  transition: opacity 0.14s ease;
  pointer-events: none;
}

.ic-notion-insert-btn {
  position: relative;
  z-index: 2;
  opacity: 0;
  transform: scale(0.95);
  border: 1px solid var(--vermilion-border);
  background: var(--ic-panel-solid);
  color: var(--vermilion);
  border-radius: 999px;
  padding: 2px 11px;
  font-size: 11.2px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(183, 66, 39, 0.12);
  transition: opacity 0.14s ease, transform 0.14s ease, background 0.14s ease, color 0.14s ease;
}

.ic-notion-gap:hover::before,
.ic-notion-gap:focus-within::before {
  opacity: 0.55;
}

.ic-notion-gap:hover .ic-notion-insert-btn,
.ic-notion-gap:focus-within .ic-notion-insert-btn {
  opacity: 1;
  transform: scale(1);
}

.ic-notion-insert-btn:hover {
  background: var(--vermilion);
  color: #fff;
}

/* Height-Controlled Notion Illustration Slot Card */
.ic-plan-slot-card {
  position: relative;
  margin: 8px 0;
  border-radius: 12px;
  border: 1.5px solid var(--ic-border-strong);
  background: var(--ic-surface);
  padding: 9px 12px;
  display: flex;
  flex-direction: column;
  gap: 7px;
  cursor: pointer;
  transition: border-color 0.14s ease, box-shadow 0.14s ease, background 0.14s ease;
}

.ic-plan-slot-card:hover {
  border-color: var(--vermilion);
  box-shadow: 0 4px 16px rgba(183, 66, 39, 0.1);
}

.ic-plan-slot-card.is-dragging,
.ic-plan-slot-card.is-dragging-source {
  opacity: 0.38;
  border-style: dashed;
}

.ic-plan-slot-top,
.ic-plan-slot-head {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 26px;
}

.ic-plan-slot-head-left {
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
  flex: 1;
}

.ic-plan-drag-handle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  color: var(--ic-muted);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: -1px;
  cursor: grab;
  flex-shrink: 0;
  user-select: none;
  background: var(--ic-panel-solid);
  border: 1px solid var(--ic-border);
}

.ic-plan-drag-handle:hover {
  color: var(--vermilion);
  border-color: var(--vermilion-border);
}

.ic-plan-drag-handle:active {
  cursor: grabbing;
}

.ic-plan-role-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 7px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 850;
  flex-shrink: 0;
}

.ic-plan-role-badge.is-cover {
  background: rgba(183, 66, 39, 0.12);
  color: var(--vermilion);
  border: 1px solid rgba(183, 66, 39, 0.25);
}

.ic-plan-role-badge.is-inline {
  background: rgba(37, 99, 235, 0.1);
  color: #2563eb;
  border: 1px solid rgba(37, 99, 235, 0.22);
}

.ic-studio-shell[data-canvas-theme="dark"] .ic-plan-role-badge.is-inline {
  color: #7ab3ff;
  background: rgba(37, 99, 235, 0.22);
}

.ic-plan-slot-title,
.ic-plan-card-title {
  font-size: 12.8px;
  font-weight: 850;
  color: var(--ic-ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  min-width: 0;
}

.ic-plan-slot-ratio,
.ic-plan-ratio-pill {
  padding: 1px 7px;
  border-radius: 5px;
  background: var(--ic-panel-solid);
  border: 1px solid var(--ic-border);
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 800;
  color: var(--ic-muted);
  flex-shrink: 0;
}

.ic-plan-slot-actions {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.ic-plan-act-btn {
  border: 1px solid var(--ic-border-strong);
  background: var(--ic-panel-solid);
  color: var(--ic-ink);
  border-radius: 7px;
  padding: 3px 9px;
  font-size: 11.3px;
  font-weight: 800;
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}

.ic-plan-act-btn.is-gen {
  color: var(--vermilion);
  border-color: var(--vermilion-border);
}

.ic-plan-act-btn.is-gen:hover:not(:disabled) {
  background: var(--vermilion);
  color: #fff;
}

.ic-plan-act-btn.is-del:hover {
  color: #dc2626;
  border-color: rgba(220, 38, 38, 0.4);
  background: rgba(220, 38, 38, 0.08);
}

/* Clamped Prompt Preview (Strictly Height-Controlled!) */
.ic-plan-slot-prompt-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 10px;
  padding: 7px 10px;
  border-radius: 8px;
  background: var(--ic-panel-solid);
  border: 1px dashed var(--ic-border-strong);
  max-height: 54px;
  overflow: hidden;
}

.ic-plan-slot-prompt-text {
  font-size: 12.6px;
  line-height: 1.52;
  color: var(--ic-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  max-height: 38.5px;
  flex: 1;
  word-break: break-word;
}

.ic-plan-slot-edit-hint,
.ic-plan-slot-more-hint {
  font-size: 11px;
  font-weight: 800;
  color: var(--vermilion);
  white-space: nowrap;
  flex-shrink: 0;
  opacity: 0.82;
}

.ic-plan-slot-card:hover .ic-plan-slot-edit-hint,
.ic-plan-slot-card:hover .ic-plan-slot-more-hint {
  opacity: 1;
}

/* Generated Illustration Compact Preview inside Card */
.ic-plan-slot-img-box {
  position: relative;
  border-radius: 9px;
  overflow: hidden;
  border: 1px solid var(--ic-border);
  background: var(--ic-panel-solid);
  max-height: 216px;
}

.ic-plan-slot-img-box img {
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: 216px;
  object-fit: contain;
  display: block;
  margin: 0 auto;
}

/* Notion Drop Indicator Line & Ghost */
.ic-notion-drop-indicator {
  position: absolute;
  left: 28px;
  right: 28px;
  height: 3px;
  background: var(--vermilion);
  border-radius: 999px;
  pointer-events: none;
  z-index: 60;
  box-shadow: 0 0 0 2px rgba(183, 66, 39, 0.2);
}

.ic-notion-drop-indicator::before,
.ic-notion-drop-indicator::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--vermilion);
  transform: translateY(-50%);
}

.ic-notion-drop-indicator::before {
  left: -4px;
}

.ic-notion-drop-indicator::after {
  right: -4px;
}

.ic-notion-drag-ghost {
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  padding: 6px 12px;
  border-radius: 9px;
  background: var(--ic-panel-solid);
  border: 1.5px solid var(--vermilion);
  color: var(--ic-ink);
  font-size: 12px;
  font-weight: 850;
  box-shadow: 0 10px 28px rgba(24, 20, 17, 0.22);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  max-width: 320px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Paginated Single-Node Batch Gallery (for > 6 / 100+ batch images without canvas node explosion) */
.ic-disp-gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}

.ic-disp-gal-cell {
  position: relative;
  aspect-ratio: 3 / 4;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--ic-border);
  background: var(--ic-surface);
  cursor: pointer;
  transition: transform 0.14s ease, border-color 0.14s ease;
}

.ic-disp-gal-cell:hover {
  transform: translateY(-1px);
  border-color: var(--vermilion);
}

.ic-disp-gal-cell img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  background: var(--ic-surface);
  display: block;
}

.ic-disp-gal-idx {
  position: absolute;
  left: 4px;
  top: 4px;
  padding: 1px 5px;
  border-radius: 5px;
  background: rgba(20, 17, 15, 0.72);
  color: #fff;
  font-size: 9.8px;
  font-family: var(--font-mono);
  font-weight: 800;
}

.ic-disp-gal-pager {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 5px 8px;
  border-radius: 8px;
  background: var(--ic-surface);
  border: 1px solid var(--ic-border);
  font-size: 11px;
  font-weight: 800;
  color: var(--ic-ink);
}

/* Fission Node (选题裂变：从 1 母题发散 4~200 条子选题) */
.ic-badge-fission {
  background: rgba(124, 58, 237, 0.14);
  color: #6d28d9;
  border: 1px solid rgba(124, 58, 237, 0.3);
}

.ic-studio-shell[data-canvas-theme="dark"] .ic-badge-fission {
  background: rgba(167, 139, 250, 0.18);
  color: #ddd6fe;
}

.ic-node-fission > .ic-v4-card {
  border-color: rgba(124, 58, 237, 0.28);
}

.ic-fission-strat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 5px;
}

.ic-fission-strat-btn {
  padding: 5px 4px;
  border-radius: 8px;
  border: 1px solid var(--ic-border);
  background: var(--ic-surface);
  color: var(--ic-text);
  font-size: 10.6px;
  font-weight: 800;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  transition: all 0.14s ease;
}

.ic-fission-strat-btn:hover {
  border-color: rgba(124, 58, 237, 0.5);
  color: #6d28d9;
}

.ic-fission-strat-btn.is-active {
  background: linear-gradient(135deg, #7c3aed, #6d28d9);
  border-color: #6d28d9;
  color: #fff;
  box-shadow: 0 3px 10px rgba(109, 40, 217, 0.24);
}

.ic-fission-preview-box {
  max-height: 92px;
  overflow-y: auto;
  padding: 6px 8px;
  border-radius: 8px;
  background: var(--ic-surface);
  border: 1px dashed rgba(124, 58, 237, 0.32);
  font-size: 10.8px;
  line-height: 1.5;
  color: var(--ic-text);
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.ic-fission-gen-btn {
  width: 100%;
  padding: 7px 12px;
  border-radius: 9px;
  border: 1px solid rgba(124, 58, 237, 0.45);
  background: rgba(124, 58, 237, 0.1);
  color: #6d28d9;
  font-size: 12px;
  font-weight: 850;
  cursor: pointer;
  transition: all 0.15s ease;
}

.ic-fission-gen-btn:hover {
  background: #6d28d9;
  color: #fff;
}

.ic-studio-shell[data-canvas-theme="dark"] .ic-fission-gen-btn {
  color: #ddd6fe;
  background: rgba(139, 92, 246, 0.18);
}

/* Article history: reveal deletion only for the hovered/focused row. */
.ic-hist-art-delete {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: #dc2626;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.14s ease, background 0.14s ease;
}
.ic-hist-art-item:hover .ic-hist-art-delete,
.ic-hist-art-item:focus-within .ic-hist-art-delete {
  opacity: 1;
  visibility: visible;
}
.ic-hist-art-delete:hover,
.ic-hist-art-delete:focus-visible {
  background: rgba(220, 38, 38, 0.1);
}
@media (hover: none) {
  .ic-hist-art-delete { opacity: 1; visibility: visible; }
}

/* P2: History task filters and per-image actions (studio only). */
.ic-history-stage .ic-history-topbar {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
  padding: 14px 20px;
}
.ic-history-controls {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  min-width: 0;
}
.ic-history-controls .ic-view-seg { flex-wrap: wrap; }
.ic-history-controls .hw-input { min-width: 0; }
.ic-hist-status {
  display: inline-block;
  border-radius: 5px;
  padding: 2px 7px;
  font-size: 11px;
  font-weight: 750;
  color: var(--ic-muted);
  background: var(--ic-surface);
}
.ic-hist-status.is-success { color: #176142; background: rgba(34, 139, 89, .1); }
.ic-hist-status.is-active { color: #825500; background: rgba(211, 151, 38, .12); }
.ic-hist-status.is-failed { color: #a52828; background: rgba(206, 52, 52, .1); }
.ic-hist-img-download {
  position: absolute;
  top: 6px;
  right: 6px;
  z-index: 2;
  padding: 4px 7px;
  border-radius: 6px;
  background: rgba(22, 27, 24, .8);
  color: #fff !important;
  font-weight: 800;
  font-size: 11px;
  text-decoration: none;
  opacity: 0;
  transition: opacity .15s ease;
}
.ic-hist-img-tile:hover .ic-hist-img-download,
.ic-hist-img-tile:focus-within .ic-hist-img-download { opacity: 1; }
.ic-hist-img-download:focus-visible {
  opacity: 1;
  outline: 2px solid var(--vermilion);
}
@media (hover: none) { .ic-hist-img-download { opacity: 1; } }
@media (max-width: 768px) {
  .ic-history-stage .ic-history-topbar { padding: 10px 12px; }
  .ic-history-heading { flex-wrap: wrap; }
  .ic-history-controls { align-items: stretch; gap: 8px; }
  .ic-history-controls .ic-view-seg { width: 100%; }
  .ic-history-controls #hist-search-inp { flex: 1 1 100%; width: 100% !important; }
  .ic-history-controls select { flex: 1 1 140px; }
  .ic-hist-page-scroll { padding: 12px 12px 30px; }
  .ic-hist-entry-card { padding: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  .ic-hist-img-download { transition: none; }
}


/* History is a contained workspace, not an edge-to-edge toolbar or row list. */
.ic-history-stage .ic-history-topbar {
  width: calc(100% - 40px);
  max-width: 1140px;
  box-sizing: border-box;
  height: auto;
  min-height: 0;
  margin: 14px auto 0;
  padding: 14px 16px;
  border: 1px solid var(--ic-border);
  border-radius: 14px;
  white-space: normal;
}
/* Issues #86 / #92: explicit grid tracks avoid multicol stacking and
   match the homepage feed's responsive 5/4/3/2/1 card widths. */
.ic-hist-masonry-grid {
  display: grid;
  width: 100%;
  min-width: 0;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 17px;
  align-items: start;
}
.ic-hist-masonry-grid .ic-hist-entry-card {
  width: 100%;
  box-sizing: border-box;
  display: flex;
  min-width: 0;
  padding: 12px;
  margin: 0;
  break-inside: avoid;
  -webkit-column-break-inside: avoid;
  overflow: hidden;
}
.ic-hist-masonry-grid .ic-hist-entry-head {
  flex-direction: column;
  align-items: stretch;
  gap: 9px;
}
.ic-hist-masonry-grid .ic-hist-entry-head > div { min-width: 0; }
.ic-hist-masonry-grid .ic-hist-entry-head strong { overflow-wrap: anywhere; }
.ic-hist-masonry-grid .ic-hist-entry-head .btn { font-size: 11px; }
.ic-hist-cover {
  position: relative;
  width: 100%;
  border-radius: 10px;
  overflow: hidden;
  background: var(--ic-surface);
}
.ic-hist-cover-button {
  position: relative;
  display: block;
  width: 100%;
  border: 0;
  padding: 0;
  margin: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: zoom-in;
}
.ic-hist-cover-button[aria-expanded] { cursor: pointer; }
a.ic-hist-cover-button, a.ic-hist-tile-detail { text-decoration: none; color: inherit; }
a.ic-hist-cover-button { cursor: pointer; }
.ic-hist-tile-detail { display: block; }
.ic-hist-tile-detail:focus-visible { outline: 3px solid var(--vermilion); outline-offset: -3px; }
.ic-hist-cover-button img {
  display: block;
  width: 100%;
  height: auto;
  min-height: 120px;
  object-fit: contain;
}
.ic-hist-cover-button:focus-visible { outline: 3px solid var(--vermilion); outline-offset: -3px; }
.ic-hist-cover-count {
  position: absolute;
  bottom: 10px;
  left: 10px;
  padding: 5px 10px;
  border-radius: 8px;
  background: rgba(22, 27, 24, .84);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
}
.ic-hist-cover-download {
  position: absolute;
  top: 9px;
  right: 9px;
  padding: 5px 9px;
  border-radius: 8px;
  background: rgba(22, 27, 24, .86);
  color: #fff !important;
  font-size: 11px;
  font-weight: 800;
  text-decoration: none;
}
.ic-hist-cover-download:focus-visible { outline: 2px solid var(--vermilion); outline-offset: 2px; }
.ic-hist-no-image {
  padding: 52px 12px;
  text-align: center;
  color: var(--ic-muted);
  border: 1px dashed var(--ic-border);
  border-radius: 10px;
}
.ic-hist-expanded-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  overflow: visible;
}
.ic-hist-expanded-gallery .ic-hist-img-tile { min-width: 0; }
.ic-hist-expanded-gallery .ic-hist-img-tile img {
  display: block;
  width: 100%;
  min-width: 0;
  max-width: none;
  height: auto;
  max-height: 175px;
  object-fit: cover;
}
.ic-hist-masonry-grid .ic-hist-img-caption { max-width: 100%; }
.ic-hist-masonry-grid .ic-hist-prompt-bar { flex-wrap: wrap; }
.ic-hist-masonry-grid .ic-hist-prompt-snippet { flex-basis: 100%; }
.ic-hist-masonry-grid .ic-hist-inline-preview { padding: 8px; }
.ic-hist-masonry-grid .ic-hist-inline-preview img { max-height: 300px; }
@media (max-width: 1400px) {
  .ic-hist-masonry-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 1100px) {
  .ic-hist-masonry-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .ic-hist-masonry-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
}
@media (max-width: 350px) {
  .ic-hist-masonry-grid { grid-template-columns: minmax(0, 1fr); }
}

.ic-hist-category-chip {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 6px;
  background: var(--ic-surface);
  border: 1px solid var(--ic-border);
  color: var(--ic-ink);
  font-size: 11px;
  font-weight: 800;
}

/* Workflow library: one compact control row, then the list. */
.ic-wf-minimal-tools {
  width: calc(100% - 40px);
  max-width: 1020px;
  margin: 20px auto 0;
  padding: 0;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  flex: 0 0 auto;
}
.ic-wf-minimal-tools #wf-search-inp {
  width: min(100%, 340px);
  min-height: 38px;
  font-size: 13px;
}
.ic-wf-minimal-tools label { min-height: 38px; display: inline-flex; align-items: center; }
@media (max-width: 620px) {
  .ic-wf-minimal-tools { width: calc(100% - 24px); margin-top: 12px; gap: 8px; }
  .ic-wf-minimal-tools #wf-search-inp { flex: 1 1 auto; width: auto; min-width: 0; }
  .ic-wf-minimal-tools label { flex-shrink: 0; }
  .ic-wf-page-scroll { padding: 14px 12px 30px; }
}


/* Shared visual alignment for history and workflow library views. */
.ic-history-stage,
.ic-workflows-stage {
  /* Match site-wide navigation and other responsive non-canvas pages. */
  --ic-library-max-width: none;
  --ic-library-side-gap: var(--hw-page-gutter, 24px);
}
.ic-history-stage .ic-history-topbar,
.ic-workflows-stage .ic-wf-minimal-tools {
  width: calc(100% - 2 * var(--ic-library-side-gap));
  max-width: var(--ic-library-max-width);
  box-sizing: border-box;
  margin: 14px auto 0;
  padding: 14px 16px;
  border: 1px solid var(--ic-border);
  border-radius: 14px;
  background: var(--ic-panel-solid);
}
.ic-history-stage .ic-hist-page-scroll,
.ic-workflows-stage .ic-wf-page-scroll {
  padding: 20px var(--ic-library-side-gap) 52px;
}
.ic-history-stage .ic-hist-page-inner,
.ic-workflows-stage .ic-wf-page-inner {
  width: 100%;
  max-width: var(--ic-library-max-width);
  margin: 0 auto;
  box-sizing: border-box;
}
.ic-workflows-stage .ic-wf-minimal-tools {
  min-height: 68px;
  justify-content: flex-end;
}
.ic-wf-card-grid {
  display: grid;
  width: 100%;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
  gap: 16px;
}
.ic-wf-card-grid .ic-wf-entry-card {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  flex-wrap: nowrap;
  gap: 18px;
  width: 100%;
  min-width: 0;
  min-height: 240px;
  margin: 0;
  padding: 18px;
  box-sizing: border-box;
}
.ic-wf-card-content {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  min-width: 0;
  gap: 10px;
}
.ic-wf-card-heading {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}
.ic-wf-card-type {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  background: var(--ic-surface);
  border: 1px solid var(--ic-border);
  border-radius: 6px;
  font-size: 11px;
  color: var(--ic-muted);
  font-weight: 800;
}
.ic-wf-card-title {
  display: block;
  max-width: 100%;
  font-size: 16px;
  line-height: 1.45;
  font-weight: 850;
  overflow-wrap: anywhere;
  color: var(--ic-ink);
}
.ic-wf-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  font-size: 11.5px;
  color: var(--ic-muted);
}
.ic-wf-card-description {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ic-muted);
  overflow-wrap: anywhere;
}
.ic-wf-card-tags {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 6px;
  min-width: 0;
}
.ic-wf-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--ic-border);
}
.ic-wf-card-actions .btn { min-height: 34px; font-size: 11.5px; }
@media (max-width: 1000px) {
  .ic-wf-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 620px) {
   .ic-history-stage,
  .ic-workflows-stage { --ic-library-side-gap: var(--hw-page-gutter, 12px); }
  .ic-history-stage .ic-history-topbar,
  .ic-workflows-stage .ic-wf-minimal-tools {
    margin-top: 10px;
    padding: 10px;
  }
  .ic-history-stage .ic-hist-page-scroll,
  .ic-workflows-stage .ic-wf-page-scroll {
    padding: 12px var(--ic-library-side-gap) 30px;
  }
  .ic-wf-card-grid { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .ic-wf-card-grid .ic-wf-entry-card { min-height: 0; padding: 14px; }
  .ic-workflows-stage .ic-wf-minimal-tools #wf-search-inp { flex: 1 1 auto; min-width: 0; }
}


/* Canvas actions: one floating undo mark and a paper/ink More menu. */
.ic-canvas-toolstrip .ic-canvas-undo-btn {
  pointer-events: auto;
  width: 36px;
  height: 36px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 11px 10px 12px 10px;
  border: 1px solid var(--ic-border-strong);
  color: var(--ic-text);
  background: var(--ic-panel-solid);
  box-shadow: 0 3px 10px rgba(36, 28, 20, .08);
  cursor: pointer;
  transition: background .14s ease, border-color .14s ease, transform .14s ease;
}
.ic-canvas-toolstrip .ic-canvas-undo-btn:hover {
  color: var(--vermilion);
  border-color: var(--vermilion);
  background: var(--ic-surface);
  transform: translateY(-1px);
}
.ic-canvas-toolstrip .ic-canvas-shelf-btn {
  width: auto;
  padding: 0 10px;
  font-size: 12px;
  font-weight: 750;
}
.ic-canvas-sketch-icon {
  flex: none;
  stroke-width: 1.7;
  transform: rotate(-1deg);
}
.ic-canvas-more { position: relative; flex: none; }
.ic-canvas-more-trigger { gap: 5px; }
.ic-canvas-more-trigger .ic-canvas-sketch-icon { width: 17px; height: 17px; }
.ic-canvas-more-menu {
  display: none;
  position: absolute;
  right: 0;
  top: 100%;
  z-index: 90;
  width: 186px;
  padding: 7px;
  border-radius: 13px 12px 14px 12px;
  border: 1px solid var(--ic-border-strong);
  background: var(--ic-panel-solid);
  color: var(--ic-text);
  box-shadow: var(--ic-dock-shadow);
}
.ic-canvas-more:hover > .ic-canvas-more-menu,
.ic-canvas-more:focus-within > .ic-canvas-more-menu,
.ic-canvas-more.is-open > .ic-canvas-more-menu {
  display: grid;
  gap: 3px;
}
.ic-canvas-more-action {
  width: 100%;
  min-height: 39px;
  border: 1px solid transparent;
  background: transparent;
  color: inherit;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 9px;
  border-radius: 9px 8px 10px 8px;
  font-size: 12.5px;
  font-weight: 780;
  cursor: pointer;
  white-space: nowrap;
}
.ic-canvas-more-action:hover:not(:disabled),
.ic-canvas-more-action:focus-visible {
  background: var(--vermilion-wash);
  border-color: var(--vermilion-border);
  color: var(--vermilion);
}
.ic-canvas-more-action:disabled { opacity: .45; cursor: default; }
.ic-canvas-more-action .ic-save-dirty-dot { margin-left: auto; }
.ic-canvas-open-wrap { position: relative; }
.ic-canvas-submenu-chevron { margin-left: auto; font-size: 17px; line-height: 1; }
.ic-canvas-recent-panel {
  display: none;
  position: absolute;
  right: calc(100% - 2px);
  top: -5px;
  width: min(290px, 80vw);
  max-height: 422px;
  overflow-y: auto;
  z-index: 91;
  padding: 7px;
  border: 1px solid var(--ic-border-strong);
  background: var(--ic-panel-solid);
  color: var(--ic-text);
  border-radius: 13px 12px 14px 12px;
  box-shadow: var(--ic-dock-shadow);
}
.ic-canvas-open-wrap:hover > .ic-canvas-recent-panel,
.ic-canvas-open-wrap:focus-within > .ic-canvas-recent-panel,
.ic-canvas-open-wrap.is-open > .ic-canvas-recent-panel {
  display: grid;
  gap: 2px;
}
.ic-canvas-recent-title {
  padding: 6px 8px;
  color: var(--ic-muted);
  font-size: 11px;
  font-weight: 750;
}
.ic-canvas-recent-item {
  min-width: 0;
  padding: 8px 9px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: inherit;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  text-align: left;
  gap: 3px;
}
.ic-canvas-recent-item:hover,
.ic-canvas-recent-item:focus-visible {
  background: var(--ic-surface);
  border-color: var(--ic-border);
  color: var(--vermilion);
}
.ic-canvas-recent-name {
  font-size: 12.5px;
  font-weight: 760;
  overflow: hidden;
  max-width: 100%;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ic-canvas-recent-date { color: var(--ic-muted); font-size: 10.8px; }
.ic-canvas-recent-empty { padding: 14px 9px; color: var(--ic-muted); font-size: 12px; }
@media (max-width: 768px) {
  .ic-canvas-more-menu { right: 0; }
  .ic-canvas-recent-panel { right: 0; top: 100%; max-height: min(360px, 58vh); }
}
@media (prefers-reduced-motion: reduce) {
  .ic-canvas-toolstrip .ic-canvas-undo-btn { transition: none; transform: none; }
}