.artifact-surface {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: linear-gradient(155deg, var(--glass), var(--glass));
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  overflow: hidden;
  color: var(--text-main);
}

[data-theme="light"] .artifact-surface {
  background: linear-gradient(155deg, rgba(255, 255, 255, 0.86), rgba(255, 255, 255, 0.72));
}

.artifact-surface.is-inline {
  max-width: 980px;
}

.artifact-surface.is-workspace {
  max-width: none;
}

.artifact-surface__shell {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.artifact-surface__toolbar {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.72rem 0.95rem;
  border-bottom: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.05);
  flex-wrap: wrap;
}

.artifact-surface__label {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-right: auto;
  font-family: var(--sans);
  font-size: 0.56rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.artifact-surface__label::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: currentColor;
  flex-shrink: 0;
}

.artifact-surface__toolbar-group {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
  flex-wrap: wrap;
}

.artifact-surface__toolbar-btn,
.artifact-surface__footer-btn,
.artifact-surface__mini-btn {
  border: 1px solid color-mix(in srgb, var(--accent) var(--assistant-card-border-strength, 24%), var(--border));
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--accent) var(--assistant-card-fill-strength, 8%), var(--glass)),
      color-mix(in srgb, var(--accent) var(--assistant-card-fill-strength-right, 3%), var(--glass))
    );
  color: var(--text-main);
  border-radius: 10px;
  padding: 0.34rem 0.58rem;
  font-family: var(--sans);
  font-size: 0.56rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s ease;
}

.artifact-surface__toolbar-btn:hover,
.artifact-surface__footer-btn:hover,
.artifact-surface__mini-btn:hover {
  color: var(--text-main);
  border-color: color-mix(in srgb, var(--accent) var(--assistant-card-border-strength-strong, 35%), var(--border-strong));
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--accent) var(--assistant-card-fill-strength-strong, 10%), var(--glass)),
      color-mix(in srgb, var(--accent) var(--assistant-card-fill-strength-left, 12%), var(--glass))
    );
}

.artifact-surface__toolbar-btn.primary,
.artifact-surface__footer-btn.primary,
.artifact-surface__mini-btn.primary {
  color: var(--text-main);
  border-color: color-mix(in srgb, var(--accent) var(--assistant-card-border-strength-strong, 35%), var(--accent-dim));
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--accent) var(--assistant-card-fill-strength-strong, 10%), var(--glass)),
      color-mix(in srgb, var(--accent) var(--assistant-card-fill-strength-left, 12%), var(--glass))
    );
}

.artifact-surface__toolbar-btn.primary:hover,
.artifact-surface__footer-btn.primary:hover,
.artifact-surface__mini-btn.primary:hover {
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--accent) var(--assistant-card-fill-strength-left, 12%), var(--glass-strong)),
      color-mix(in srgb, var(--accent) var(--assistant-card-fill-strength-strong, 10%), var(--glass))
    );
}

.artifact-surface__toolbar-btn.is-active,
.artifact-surface__footer-btn.is-active,
.artifact-surface__mini-btn.is-active {
  color: var(--text-main);
  border-color: color-mix(in srgb, var(--accent) var(--assistant-card-border-strength-strong, 35%), var(--accent-dim));
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--accent) var(--assistant-card-fill-strength-left, 12%), var(--glass-strong)),
      color-mix(in srgb, var(--accent) var(--assistant-card-fill-strength-strong, 10%), var(--glass))
    );
}

.artifact-surface__toolbar-btn.is-hidden,
.artifact-surface__footer-btn.is-hidden,
.artifact-surface__mini-btn.is-hidden {
  display: none;
}

.artifact-surface__toolbar-btn.danger,
.artifact-surface__footer-btn.danger,
.artifact-surface__mini-btn.danger {
  color: rgba(255, 176, 176, 0.9);
  border-color: rgba(255, 111, 111, 0.24);
}

.artifact-surface__toolbar-btn.danger:hover,
.artifact-surface__footer-btn.danger:hover,
.artifact-surface__mini-btn.danger:hover {
  background: rgba(255, 111, 111, 0.08);
  border-color: rgba(255, 111, 111, 0.4);
}

.artifact-surface__save-state {
  font-family: var(--sans);
  font-size: 0.58rem;
  color: var(--text-ghost);
}

.artifact-surface__save-state.is-saved {
  color: #7ed4b0;
}

.artifact-surface__header {
  padding: 1rem 1.15rem 0.55rem;
}

.artifact-surface__title-input {
  width: 100%;
  border: none;
  outline: none;
  background: transparent;
  font-family: var(--serif);
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.1;
}

.artifact-surface__title-input::placeholder {
  color: var(--text-ghost);
  font-style: italic;
}

.artifact-surface__meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.4rem;
}

.artifact-surface__meta-text,
.artifact-surface__meta-pill {
  font-family: var(--sans);
  font-size: 0.54rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.artifact-surface__meta-text {
  color: var(--text-ghost);
}

.artifact-surface__meta-pill {
  padding: 0.18rem 0.42rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  background: var(--glass);
}

.artifact-surface__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
  padding: 0.8rem 1rem;
  border-top: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.04);
}

.artifact-surface__footer-left,
.artifact-surface__footer-right {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.surface-note__body {
  min-height: 220px;
  padding: 0.65rem 1.15rem 1rem;
  outline: none;
  font-family: var(--garamond);
  font-size: 1rem;
  line-height: 1.62;
  color: var(--text-main);
}

.surface-note__body:empty::before {
  content: attr(data-placeholder);
  color: var(--text-ghost);
  font-style: italic;
}

.surface-note__body h2 {
  font-family: var(--serif);
  font-size: 1.08rem;
  font-weight: 600;
  margin: 0.95rem 0 0.35rem;
}

.surface-note__body p + p {
  margin-top: 0.55rem;
}

.surface-note__body blockquote {
  margin: 0.7rem 0;
  padding-left: 0.8rem;
  border-left: 2px solid rgba(232, 184, 122, 0.32);
  color: var(--text-muted);
  font-style: italic;
}

.surface-note__body .surface-note__highlight {
  background: rgba(232, 184, 122, 0.14);
  border-bottom: 1px solid rgba(232, 184, 122, 0.32);
  padding: 0 0.12rem;
}

.surface-note__source-ref {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  margin-left: 0.18rem;
  padding: 0.04rem 0.3rem;
  border: 1px solid rgba(111, 168, 255, 0.24);
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 0.6rem;
  color: #7eb8ff;
}

.surface-note__tags {
  display: flex;
  gap: 0.36rem;
  flex-wrap: wrap;
  padding: 0.12rem 1.15rem 0.9rem;
  border-top: 1px solid var(--glass);
}

.surface-note__tag {
  padding: 0.16rem 0.42rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 0.52rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.surface-note__snippet-stack {
  display: flex;
  flex-direction: column;
  gap: 0.38rem;
  padding: 0 1.15rem 0.95rem;
}

.surface-note__snippet {
  padding: 0.6rem 0.72rem;
  border: 1px solid rgba(176, 140, 212, 0.2);
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(176, 140, 212, 0.08), rgba(176, 140, 212, 0.02));
}

.surface-note__snippet-source {
  font-family: var(--sans);
  font-size: 0.54rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-ghost);
}

.surface-note__snippet-copy {
  margin-top: 0.24rem;
  font-family: var(--garamond);
  font-size: 0.92rem;
  line-height: 1.48;
  color: var(--text-muted);
  font-style: italic;
}

.artifact-surface--note.is-compact-pinned {
  background: linear-gradient(155deg, rgba(28, 40, 67, 0.96), rgba(24, 34, 56, 0.94));
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

[data-theme="light"] .artifact-surface--note.is-compact-pinned {
  background: linear-gradient(155deg, rgba(255, 255, 255, 0.96), rgba(247, 244, 238, 0.94));
}

.artifact-surface--note.is-compact-pinned .artifact-surface__toolbar {
  padding: 0.68rem 0.95rem;
}

.artifact-surface--note.is-compact-pinned .artifact-surface__header {
  padding: 0.9rem 1.15rem 0.4rem;
}

.artifact-surface--note.is-compact-pinned .artifact-surface__title-input {
  font-size: clamp(1.08rem, 1.5vw, 1.3rem);
}

.artifact-surface--note.is-compact-pinned .artifact-surface__meta {
  margin-top: 0.28rem;
}

.artifact-surface--note.is-compact-pinned .surface-note__body {
  min-height: 96px;
  max-height: 148px;
  overflow-y: auto;
  padding-top: 0.2rem;
  padding-bottom: 0.65rem;
}

.artifact-surface--note.is-compact-pinned .artifact-surface__footer {
  padding: 0.72rem 1rem;
}

.artifact-surface--note.is-compact-pinned .artifact-surface__footer-left {
  display: none;
}

.surface-graph {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 250px;
  min-height: 520px;
}

.surface-graph__canvas {
  position: relative;
  overflow: hidden;
  min-height: 520px;
  background:
    radial-gradient(circle at 20% 20%, var(--glass), transparent 35%),
    radial-gradient(circle at 80% 20%, var(--glass), transparent 30%),
    linear-gradient(180deg, var(--glass), var(--glass));
}

.surface-graph__canvas::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--glass) 1px, transparent 1px),
    linear-gradient(90deg, var(--glass) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.22;
  pointer-events: none;
}

.surface-graph__svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.surface-graph__svg line,
.surface-graph__svg path {
  stroke: rgba(200, 169, 110, 0.52);
  stroke-width: 1.8;
  fill: none;
}

.surface-graph__svg text {
  font-family: var(--sans);
  font-size: 11px;
  fill: var(--text-muted);
}

.surface-graph__stage {
  position: absolute;
  inset: 0;
}

.surface-graph__node {
  position: absolute;
  min-width: 120px;
  max-width: 180px;
  transform: translate(-50%, -50%);
  border-radius: 18px;
  border: 1px solid var(--border);
  background: rgba(16, 22, 34, 0.84);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.18);
  color: var(--text-main);
  cursor: grab;
  user-select: none;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

[data-theme="light"] .surface-graph__node {
  background: rgba(255, 255, 255, 0.9);
}

.surface-graph__node:hover {
  border-color: var(--border-strong);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22);
}

.surface-graph__node.is-selected {
  border-color: var(--accent-dim);
  box-shadow: 0 0 0 1px rgba(200, 169, 110, 0.2), 0 14px 34px rgba(0, 0, 0, 0.26);
}

.surface-graph__node.is-dragging {
  cursor: grabbing;
  transform: translate(-50%, -50%) scale(1.02);
}

.surface-graph__node.is-core {
  min-width: 148px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(200, 169, 110, 0.18), rgba(200, 169, 110, 0.07));
}

.surface-graph__node.is-decision {
  border-radius: 14px;
  transform: translate(-50%, -50%) rotate(45deg);
  padding: 0;
}

.surface-graph__node.is-decision .surface-graph__node-inner {
  transform: rotate(-45deg);
  min-height: 74px;
}

.surface-graph__node-inner {
  display: flex;
  flex-direction: column;
  gap: 0.24rem;
  padding: 0.72rem 0.82rem;
}

.surface-graph__node-label {
  font-family: var(--sans);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-ghost);
}

.surface-graph__node-title {
  font-family: var(--serif);
  font-size: 0.98rem;
  line-height: 1.12;
}

.surface-graph__inspector {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: 1rem;
  border-left: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.05);
}

.surface-graph__inspector-label {
  font-family: var(--sans);
  font-size: 0.55rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-ghost);
}

.surface-graph__input,
.surface-graph__textarea,
.surface-graph__select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--glass);
  color: var(--text-main);
  padding: 0.6rem 0.72rem;
  font-family: var(--sans);
  font-size: 0.86rem;
  outline: none;
}

.surface-graph__textarea {
  min-height: 86px;
  resize: vertical;
}

.surface-graph__input:focus,
.surface-graph__textarea:focus,
.surface-graph__select:focus {
  border-color: var(--border-strong);
}

.surface-graph__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.surface-graph__hint,
.surface-graph__empty {
  font-family: var(--garamond);
  font-size: 0.86rem;
  line-height: 1.45;
  color: var(--text-muted);
  font-style: italic;
}

.surface-visual__body {
  display: grid;
  gap: 0.95rem;
  padding: 0.65rem 1.15rem 1.05rem;
}

.surface-visual__frame {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: rgba(12, 18, 28, 0.54);
  aspect-ratio: 16 / 9;
  overflow: hidden;
  display: grid;
  place-items: center;
}

[data-theme="light"] .surface-visual__frame {
  background: rgba(255, 255, 255, 0.78);
}

.surface-visual__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.surface-visual__controls {
  display: grid;
  gap: 0.48rem;
}

.surface-visual__field-label {
  font-family: var(--sans);
  font-size: 0.54rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-ghost);
}

.surface-visual__prompt {
  width: 100%;
  min-height: 92px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--glass);
  color: var(--text-main);
  padding: 0.62rem 0.72rem;
  font-family: var(--garamond);
  font-size: 0.92rem;
  line-height: 1.45;
  resize: vertical;
  outline: none;
}

.surface-visual__prompt:focus {
  border-color: var(--border-strong);
}

.artifact-surface--board {
  background:
    linear-gradient(155deg, rgba(125, 150, 198, 0.08), rgba(255, 141, 181, 0.06)),
    linear-gradient(155deg, var(--glass), var(--glass));
}

[data-theme="light"] .artifact-surface--board {
  background:
    linear-gradient(155deg, rgba(152, 166, 205, 0.12), rgba(213, 175, 150, 0.08)),
    linear-gradient(155deg, rgba(255, 251, 244, 0.94), rgba(249, 241, 229, 0.9));
}

.surface-board__body {
  display: grid;
  gap: 0.95rem;
  padding: 0.65rem 1.15rem 1.05rem;
}

.surface-board__summary-input {
  width: 100%;
  min-height: 84px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--glass);
  color: var(--text-main);
  padding: 0.72rem 0.82rem;
  font-family: var(--garamond);
  font-size: 0.96rem;
  line-height: 1.46;
  resize: vertical;
  outline: none;
}

.surface-board__summary-input:focus {
  border-color: var(--border-strong);
}

.surface-board__mode-copy {
  margin-top: -0.1rem;
  font-family: var(--garamond);
  font-style: italic;
  font-size: 0.95rem;
  line-height: 1.45;
  color: var(--text-muted);
}

.surface-board__canvas-shell {
  display: grid;
}

.artifact-surface--board.is-focus-mode .artifact-surface__toolbar,
.artifact-surface--board.is-focus-mode .artifact-surface__header,
.artifact-surface--board.is-focus-mode .artifact-surface__footer,
.artifact-surface--board.is-focus-mode .surface-board__summary-input,
.artifact-surface--board.is-focus-mode .surface-board__mode-copy {
  display: none;
}

.artifact-surface--board.is-focus-mode .surface-board__body {
  padding-top: 0;
}

.artifact-surface--board.is-focus-mode .surface-board__canvas-shell {
  min-height: calc(100vh - 180px);
}

.surface-board__scroll {
  overflow-x: auto;
  overflow-y: hidden;
  scroll-behavior: smooth;
  cursor: grab;
  scrollbar-width: thin;
  border: 1px solid var(--glass);
  border-radius: 18px;
  background:
    radial-gradient(circle at 20% 18%, var(--glass), transparent 30%),
    linear-gradient(180deg, var(--glass), var(--glass));
}

[data-theme="light"] .surface-board__scroll {
  border-color: rgba(12, 16, 28, 0.08);
  background:
    radial-gradient(circle at 20% 18%, rgba(255, 255, 255, 0.56), transparent 30%),
    linear-gradient(180deg, rgba(255, 249, 241, 0.9), rgba(244, 236, 225, 0.82));
}

.surface-board__scroll::-webkit-scrollbar {
  height: 8px;
}

.surface-board__scroll::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 999px;
}

[data-theme="light"] .surface-board__scroll::-webkit-scrollbar-thumb {
  background: rgba(24, 30, 44, 0.18);
}

.surface-board__track {
  min-width: 1760px;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(320px, 420px);
  gap: 0.9rem;
  padding: 0.9rem;
}

.surface-board__scene {
  position: relative;
  min-height: 440px;
}

.surface-board__scene::after {
  content: "";
  position: absolute;
  top: 0;
  right: -0.45rem;
  width: 1px;
  height: 100%;
  background: linear-gradient(180deg, transparent, var(--glass-strong), transparent);
}

[data-theme="light"] .surface-board__scene::after {
  background: linear-gradient(180deg, transparent, rgba(40, 34, 24, 0.12), transparent);
}

.surface-board__scene:last-child::after {
  display: none;
}

.surface-board__scene-label {
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
  margin-bottom: 0.6rem;
  font-family: var(--sans);
  font-size: 0.54rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
}

.surface-board__scene-label::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: currentColor;
}

.surface-board__card,
.surface-board__checklist {
  display: grid;
  gap: 0.52rem;
  padding: 0.62rem;
  border: 1px solid var(--glass);
  border-radius: 18px;
  background: rgba(18, 24, 38, 0.82);
}

[data-theme="light"] .surface-board__card,
[data-theme="light"] .surface-board__checklist {
  border-color: rgba(34, 26, 18, 0.1);
  background: rgba(255, 251, 244, 0.96);
}

.surface-board__card-title,
.surface-board__checklist-title {
  font-family: var(--serif);
  font-size: 1rem;
  line-height: 1.15;
  color: var(--text-main);
}

.surface-board__card-meta,
.surface-board__note-meta {
  font-family: var(--sans);
  font-size: 0.52rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-ghost);
}

.surface-board__frame,
.surface-board__variant-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  background: rgba(0, 0, 0, 0.14);
}

[data-theme="light"] .surface-board__frame,
[data-theme="light"] .surface-board__variant-frame {
  border-color: rgba(34, 26, 18, 0.1);
  background: rgba(245, 238, 227, 0.92);
}

.surface-board__frame img,
.surface-board__variant-frame img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.surface-board__caption,
.surface-board__checklist-copy {
  font-family: var(--garamond);
  font-size: 0.94rem;
  line-height: 1.4;
  color: var(--text-muted);
}

.surface-board__sticky {
  position: absolute;
  width: clamp(128px, 16vw, 188px);
  min-height: 76px;
  padding: 0.6rem 0.58rem 0.5rem;
  border: 1px solid rgba(143, 114, 48, 0.34);
  background:
    linear-gradient(160deg, rgba(253, 244, 196, 0.98), rgba(242, 223, 157, 0.95) 58%, rgba(235, 212, 139, 0.9));
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.2);
  transform: translate(-6%, -8%) rotate(-1.8deg);
}

.surface-board__sticky.alt {
  transform: translate(-6%, -8%) rotate(1.4deg);
}

.surface-board__sticky::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -8px;
  width: 44px;
  height: 11px;
  transform: translateX(-50%) rotate(-2deg);
  background: linear-gradient(160deg, rgba(226, 208, 150, 0.9), rgba(200, 178, 120, 0.86));
  border: 1px solid rgba(120, 98, 58, 0.36);
}

.surface-board__sticky-text,
.surface-board__note-copy {
  font-family: "Comic Sans MS", "Bradley Hand", "Marker Felt", cursive;
  font-size: 0.95rem;
  line-height: 1.14;
  color: rgba(24, 16, 6, 0.92);
}

.surface-board__variant-stack {
  position: relative;
  min-height: 350px;
}

.surface-board__variant-card {
  position: absolute;
  width: 74%;
  padding: 0.46rem;
  border: 1px solid var(--glass);
  border-radius: 18px;
  background: rgba(18, 24, 38, 0.84);
  box-shadow: 0 16px 28px rgba(0, 0, 0, 0.18);
}

[data-theme="light"] .surface-board__variant-card {
  border-color: rgba(34, 26, 18, 0.1);
  background: rgba(255, 251, 244, 0.96);
}

.surface-board__variant-card.is-front {
  top: 0.1rem;
  right: 0.4rem;
  transform: rotate(1.5deg);
}

.surface-board__variant-card.is-back {
  left: 0.36rem;
  bottom: 0.2rem;
  transform: rotate(-1.4deg);
}

.surface-board__variant-title {
  margin-top: 0.42rem;
  font-family: var(--serif);
  font-size: 0.88rem;
  line-height: 1.14;
  color: var(--text-main);
}

.surface-board__note-stack {
  display: grid;
  gap: 0.56rem;
}

.surface-board__note-card {
  padding: 0.66rem 0.7rem;
  border: 1px solid rgba(145, 118, 52, 0.26);
  border-radius: 16px;
  background:
    linear-gradient(160deg, rgba(253, 244, 196, 0.98), rgba(242, 223, 157, 0.95) 58%, rgba(235, 212, 139, 0.9));
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.surface-board__list {
  list-style: none;
  display: grid;
  gap: 0.5rem;
}

.surface-board__list-item {
  display: flex;
  gap: 0.58rem;
  align-items: flex-start;
  color: var(--text-main);
  font-family: var(--garamond);
  font-size: 0.95rem;
  line-height: 1.24;
}

.surface-board__list-dot {
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
  margin-top: 0.12rem;
  border: 1px solid var(--border);
  background: var(--glass);
}

.surface-board__list-dot.is-done {
  background: rgba(200, 169, 110, 0.32);
}

.surface-board__empty {
  min-height: 320px;
  display: grid;
  place-items: center;
  padding: 1rem;
  border: 1px dashed rgba(255, 255, 255, 0.14);
  border-radius: 18px;
  color: var(--text-muted);
  font-family: var(--garamond);
  font-size: 0.95rem;
  line-height: 1.4;
  text-align: center;
}

[data-theme="light"] .surface-board__empty {
  border-color: rgba(34, 26, 18, 0.14);
}

.surface-board__freeform-shell {
  display: grid;
  gap: 0.7rem;
}

.surface-board__freeform-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  padding: 0.72rem 0.86rem;
  border: 1px solid var(--glass);
  border-radius: 16px;
  background: rgba(18, 24, 38, 0.92);
}

[data-theme="light"] .surface-board__freeform-status {
  border-color: rgba(34, 26, 18, 0.08);
  background: rgba(255, 251, 244, 0.96);
}

.surface-board__freeform-status-copy {
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.surface-board__freeform-status-btn {
  appearance: none;
  border: 1px solid var(--glass-strong);
  background: transparent;
  color: var(--text-main);
  min-height: 34px;
  padding: 0 0.8rem;
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
}

[data-theme="light"] .surface-board__freeform-status-btn {
  border-color: rgba(34, 26, 18, 0.12);
}

.surface-board__freeform-hint {
  font-family: var(--sans);
  font-size: 0.54rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-ghost);
}

.surface-board__freeform-scroll {
  overflow: auto;
  scrollbar-width: thin;
  border: 1px solid var(--glass);
  border-radius: 20px;
  background:
    radial-gradient(circle at 14% 12%, var(--glass), transparent 24%),
    radial-gradient(circle at 74% 20%, rgba(255, 170, 128, 0.06), transparent 26%),
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(180deg, rgba(12, 18, 31, 0.94), rgba(10, 16, 28, 0.9));
  background-size: auto, auto, 28px 28px, 28px 28px, auto;
}

[data-theme="light"] .surface-board__freeform-scroll {
  border-color: rgba(34, 26, 18, 0.08);
  background:
    radial-gradient(circle at 14% 12%, rgba(255, 255, 255, 0.72), transparent 26%),
    radial-gradient(circle at 74% 20%, rgba(210, 176, 146, 0.16), transparent 26%),
    linear-gradient(rgba(72, 58, 41, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(72, 58, 41, 0.06) 1px, transparent 1px),
    linear-gradient(180deg, rgba(252, 247, 239, 0.98), rgba(245, 238, 227, 0.94));
  background-size: auto, auto, 28px 28px, 28px 28px, auto;
}

.surface-board__freeform-scroll::-webkit-scrollbar {
  width: 9px;
  height: 9px;
}

.surface-board__freeform-scroll::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.2);
}

[data-theme="light"] .surface-board__freeform-scroll::-webkit-scrollbar-thumb {
  background: rgba(24, 30, 44, 0.18);
}

.surface-board__freeform-stage {
  position: relative;
  min-width: 100%;
  min-height: 760px;
  background:
    radial-gradient(circle at 15% 10%, var(--glass), transparent 25%),
    radial-gradient(circle at 72% 18%, rgba(255, 170, 128, 0.06), transparent 24%),
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(180deg, rgba(7, 12, 22, 0.96), rgba(10, 15, 26, 0.92));
  background-size: auto, auto, 28px 28px, 28px 28px, auto;
}

.surface-board__freeform-connections {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: auto;
}

.surface-board__connection-path {
  fill: none;
  stroke: var(--board-connection-color, rgba(112, 80, 48, 0.82));
  stroke-width: var(--board-connection-width, 2);
  stroke-linecap: round;
  stroke-linejoin: round;
}

.surface-board__connection-path.is-secondary {
  opacity: 0.56;
}

.surface-board__connection-hit {
  fill: none;
  stroke: transparent;
  stroke-width: 16;
  pointer-events: stroke;
}

.artifact-surface--board[data-connection-style="dotted"] .surface-board__connection-path {
  stroke-dasharray: var(--board-connection-dasharray, 1 10);
}

.artifact-surface--board[data-connection-style="dashed"] .surface-board__connection-path,
.artifact-surface--board[data-connection-style="sketch"] .surface-board__connection-path {
  stroke-dasharray: var(--board-connection-dasharray, 10 8);
}

.artifact-surface--board[data-connection-style="glow"] .surface-board__connection-path {
  filter: drop-shadow(0 0 6px color-mix(in srgb, var(--board-connection-color, rgba(124, 186, 255, 0.94)) 66%, transparent));
}

.surface-board__connection--dotted .surface-board__connection-path {
  stroke-dasharray: var(--board-connection-dasharray, 1 10);
}

.surface-board__connection--dashed .surface-board__connection-path,
.surface-board__connection--sketch .surface-board__connection-path {
  stroke-dasharray: var(--board-connection-dasharray, 10 8);
}

.surface-board__connection--glow .surface-board__connection-path {
  filter: drop-shadow(0 0 6px color-mix(in srgb, var(--board-connection-color, rgba(124, 186, 255, 0.94)) 66%, transparent));
}

.surface-board__connection.is-selected .surface-board__connection-path {
  stroke-width: calc(var(--board-connection-width, 2) + 1);
  stroke: color-mix(in srgb, var(--board-connection-color, rgba(112, 80, 48, 0.82)) 84%, white 12%);
}

.surface-board__connection-endpoint {
  fill: var(--board-pin-color, #7a5431);
  stroke: color-mix(in srgb, var(--board-connection-color, rgba(112, 80, 48, 0.82)) 76%, transparent);
  stroke-width: 1;
}

.artifact-surface--board[data-connection-style="glow"] .surface-board__connection-endpoint {
  fill: color-mix(in srgb, var(--board-connection-color, rgba(124, 186, 255, 0.94)) 76%, white 10%);
  filter: drop-shadow(0 0 6px color-mix(in srgb, var(--board-connection-color, rgba(124, 186, 255, 0.94)) 66%, transparent));
}

[data-theme="light"] .surface-board__freeform-stage {
  background:
    radial-gradient(circle at 16% 12%, rgba(255, 255, 255, 0.72), transparent 24%),
    radial-gradient(circle at 74% 20%, rgba(210, 176, 146, 0.16), transparent 26%),
    linear-gradient(rgba(72, 58, 41, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(72, 58, 41, 0.06) 1px, transparent 1px),
    linear-gradient(180deg, rgba(252, 247, 239, 0.98), rgba(245, 238, 227, 0.95));
  background-size: auto, auto, 28px 28px, 28px 28px, auto;
}

.surface-board__freeform-object {
  position: absolute;
  display: grid;
  gap: 0.46rem;
  touch-action: none;
  user-select: none;
  cursor: default;
  will-change: left, top, width;
  --board-object-lift: 0px;
  --board-object-tilt: 0deg;
  transform: translateY(calc(var(--board-object-lift) * -1)) rotate(var(--board-object-tilt));
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.surface-board__freeform-object:hover {
  --board-object-lift: 4px;
}

.surface-board__freeform-object.is-selected {
  --board-object-lift: 10px;
}

.surface-board__freeform-object.is-dragging {
  cursor: grabbing;
  --board-object-lift: 14px;
}

.surface-board__freeform-object.is-resizing {
  cursor: nwse-resize;
  --board-object-lift: 8px;
}

.surface-board__freeform-object--visual {
  padding: 0.6rem;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 20px;
  background: rgba(18, 24, 38, 0.92);
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.22);
}

.surface-board__freeform-object--visual.is-anchor {
  box-shadow: 0 22px 38px rgba(0, 0, 0, 0.28);
}

[data-theme="light"] .surface-board__freeform-object--visual {
  border-color: rgba(34, 26, 18, 0.08);
  background: rgba(255, 251, 244, 0.98);
  box-shadow: 0 18px 34px rgba(76, 58, 31, 0.14);
}

.surface-board__freeform-card-title {
  font-family: var(--serif);
  font-size: 0.94rem;
  line-height: 1.12;
  color: var(--text-main);
}

.surface-board__freeform-card-title.is-editable,
.surface-board__freeform-caption.is-editable,
.surface-board__freeform-note-copy.is-editable {
  pointer-events: auto;
  user-select: text;
  outline: none;
}

.surface-board__freeform-card-title.is-editable {
  min-height: 1.15em;
}

.surface-board__freeform-card-meta,
.surface-board__freeform-note-meta {
  font-family: var(--sans);
  font-size: 0.52rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-ghost);
}

.surface-board__freeform-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border-radius: 16px;
  border: 1px solid var(--glass);
  background: rgba(0, 0, 0, 0.12);
}

[data-theme="light"] .surface-board__freeform-frame {
  border-color: rgba(34, 26, 18, 0.08);
  background: rgba(244, 236, 224, 0.92);
}

.surface-board__freeform-frame img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}

.surface-board__freeform-caption {
  font-family: var(--garamond);
  font-size: 0.92rem;
  line-height: 1.38;
  color: var(--text-muted);
}

.surface-board__freeform-caption.is-editable {
  min-height: 2.6em;
}

.surface-board__freeform-caption.is-editable:empty::before {
  content: attr(data-placeholder);
  color: var(--text-ghost);
  font-style: italic;
}

.surface-board__freeform-object--note {
  min-height: 100px;
  overflow: hidden;
  grid-template-rows: auto auto minmax(0, 1fr);
  padding: 0.72rem 0.7rem 0.64rem;
  border: 1px solid rgba(143, 114, 48, 0.34);
  background:
    linear-gradient(160deg, rgba(253, 244, 196, 0.98), rgba(242, 223, 157, 0.95) 58%, rgba(235, 212, 139, 0.9));
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.18);
  --board-object-tilt: -1.2deg;
}

.surface-board__freeform-object--note.is-selected {
  box-shadow: 0 18px 30px rgba(0, 0, 0, 0.22);
}

.surface-board__freeform-object--note::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -8px;
  width: 46px;
  height: 11px;
  transform: translateX(-50%) rotate(-2deg);
  background: linear-gradient(160deg, rgba(226, 208, 150, 0.9), rgba(200, 178, 120, 0.86));
  border: 1px solid rgba(120, 98, 58, 0.36);
}

.surface-board__freeform-note-copy {
  font-family: "Comic Sans MS", "Bradley Hand", "Marker Felt", cursive;
  font-size: 1.02rem;
  line-height: 1.16;
  color: rgba(24, 16, 6, 0.92);
  overflow: auto;
  min-height: 84px;
}

.surface-board__freeform-note-copy.is-editable {
  white-space: pre-wrap;
  min-height: 84px;
}

.surface-board__freeform-note-copy.is-editable:empty::before {
  content: attr(data-placeholder);
  color: color-mix(in srgb, var(--board-note-text, rgba(24, 16, 6, 0.92)) 42%, transparent);
  font-style: italic;
}

.surface-board__freeform-object--note[data-note-style="lined-note"],
.artifact-surface--board[data-note-style="lined-note"] .surface-board__freeform-object--note {
  background-image:
    linear-gradient(rgba(96, 87, 74, 0.12) 1px, transparent 1px),
    var(--board-note-bg);
  background-size: 100% 1.56rem, auto;
}

.surface-board__freeform-object--note[data-note-style="lined-note"]::before,
.surface-board__freeform-object--note[data-note-style="simple-card"]::before,
.surface-board__freeform-object--note[data-note-style="parchment-note"]::before,
.surface-board__freeform-object--note[data-note-style="index-card"]::before {
  display: none;
}

.surface-board__freeform-object--note[data-note-style="simple-card"] {
  border-radius: 16px;
}

.surface-board__freeform-object--note[data-note-style="highlight-notecard"] {
  background-image:
    linear-gradient(180deg, rgba(245, 235, 126, 0.55), rgba(245, 235, 126, 0.55)),
    var(--board-note-bg);
  background-size: 72% 1.5rem, auto;
  background-repeat: no-repeat;
  background-position: 0.7rem 2.1rem, 0 0;
}

.surface-board__freeform-object--note[data-note-style="parchment-note"] {
  border-radius: 10px;
}

.surface-board__freeform-object--note[data-note-style="parchment-note"] .surface-board__freeform-note-copy {
  font-style: italic;
}

.surface-board__freeform-object--note[data-note-style="index-card"] {
  border-radius: 10px;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.14);
}

.surface-board__freeform-object--note[data-note-style="index-card"]::after {
  content: "";
  position: absolute;
  inset: 14px 14px auto;
  height: 1px;
  background: rgba(96, 87, 74, 0.22);
}

.surface-board__freeform-card-title:not(.is-editable),
.surface-board__freeform-card-meta,
.surface-board__freeform-note-meta {
  pointer-events: none;
}

.surface-board__freeform-drag-handle {
  display: flex;
  align-items: center;
  gap: 0.46rem;
  padding: 0.18rem 0 0.08rem;
  cursor: grab;
  touch-action: none;
}

.surface-board__freeform-drag-grip {
  width: 18px;
  height: 10px;
  border-radius: 999px;
  background:
    linear-gradient(90deg, currentColor 0 28%, transparent 28% 36%, currentColor 36% 64%, transparent 64% 72%, currentColor 72% 100%);
  opacity: 0.36;
}

.surface-board__freeform-drag-label {
  font-family: var(--sans);
  font-size: 0.52rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-ghost);
}

.surface-board__context-menu {
  position: absolute;
  min-width: 240px;
  max-width: min(320px, calc(100% - 2rem));
  padding: 0.52rem;
  border: 1px solid var(--glass);
  background: rgba(18, 24, 38, 0.96);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.22);
  z-index: 7;
  display: grid;
  gap: 0.3rem;
}

[data-theme="light"] .surface-board__context-menu {
  border-color: rgba(34, 26, 18, 0.08);
  background: rgba(255, 251, 244, 0.98);
}

.surface-board__context-menu-item {
  appearance: none;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-main);
  text-align: left;
  min-height: 40px;
  padding: 0.55rem 0.62rem;
  font-family: var(--sans);
  font-size: 0.76rem;
  letter-spacing: 0.03em;
  cursor: pointer;
}

.surface-board__context-menu-item:hover,
.surface-board__context-style-pill:hover {
  border-color: color-mix(in srgb, var(--accent) 28%, rgba(255, 255, 255, 0.14));
  background: color-mix(in srgb, var(--accent) 8%, var(--glass));
}

[data-theme="light"] .surface-board__context-menu-item:hover,
[data-theme="light"] .surface-board__context-style-pill:hover {
  border-color: color-mix(in srgb, var(--accent) 28%, rgba(34, 26, 18, 0.14));
  background: color-mix(in srgb, var(--accent) 8%, rgba(255, 251, 244, 0.98));
}

.surface-board__context-menu-item.is-destructive {
  color: var(--c-action, #d47e8b);
}

.surface-board__context-menu-section {
  display: grid;
  gap: 0.48rem;
  padding-top: 0.28rem;
  border-top: 1px solid var(--glass);
}

[data-theme="light"] .surface-board__context-menu-section {
  border-top-color: rgba(34, 26, 18, 0.08);
}

.surface-board__context-menu-label {
  font-family: var(--sans);
  font-size: 0.54rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-ghost);
}

.surface-board__context-style-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.38rem;
}

.surface-board__context-style-pill {
  appearance: none;
  border: 1px solid var(--glass-strong);
  background: var(--glass);
  color: var(--text-main);
  min-height: 34px;
  padding: 0 0.68rem;
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  cursor: pointer;
}

[data-theme="light"] .surface-board__context-style-pill {
  border-color: rgba(34, 26, 18, 0.12);
  background: rgba(255, 251, 244, 0.98);
}

.surface-board__context-style-pill.is-active {
  border-color: color-mix(in srgb, var(--accent) 36%, rgba(255, 255, 255, 0.14));
  background: color-mix(in srgb, var(--accent) 12%, var(--glass));
}

[data-theme="light"] .surface-board__context-style-pill.is-active {
  border-color: color-mix(in srgb, var(--accent) 36%, rgba(34, 26, 18, 0.14));
  background: color-mix(in srgb, var(--accent) 12%, rgba(255, 251, 244, 0.98));
}

.surface-board__freeform-resize {
  position: absolute;
  right: 10px;
  bottom: 10px;
  width: 16px;
  height: 16px;
  border: 1px solid var(--glass-strong);
  background: rgba(141, 183, 214, 0.16);
  cursor: nwse-resize;
  touch-action: none;
}

[data-theme="light"] .surface-board__freeform-resize {
  border-color: rgba(34, 26, 18, 0.12);
  background: rgba(141, 183, 214, 0.18);
}

.surface-board__freeform-resize::before,
.surface-board__freeform-resize::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 1px;
  background: currentColor;
  opacity: 0.8;
}

.surface-board__freeform-resize::before {
  right: 3px;
  bottom: 5px;
  transform: rotate(-45deg);
}

.surface-board__freeform-resize::after {
  right: 6px;
  bottom: 8px;
  transform: rotate(-45deg);
}

.surface-board__focus-exit {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 6;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 10%, var(--glass));
  color: var(--text-main);
  min-height: 38px;
  padding: 0 0.95rem;
  font-family: var(--sans);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
}

.artifact-surface--board {
  --board-surface-panel: linear-gradient(180deg, rgba(252, 247, 239, 0.98), rgba(245, 238, 227, 0.95));
  --board-surface-stage: linear-gradient(180deg, rgba(252, 247, 239, 0.98), rgba(245, 238, 227, 0.95));
  --board-surface-grid: rgba(72, 58, 41, 0.06);
  --board-surface-glow-a: rgba(255, 255, 255, 0.72);
  --board-surface-glow-b: rgba(210, 176, 146, 0.16);
  --board-card-bg: rgba(255, 251, 244, 0.96);
  --board-card-border: rgba(34, 26, 18, 0.1);
  --board-card-shadow: 0 18px 34px rgba(76, 58, 31, 0.14);
  --board-frame-bg: rgba(244, 236, 224, 0.92);
  --board-card-radius: 18px;
  --board-note-bg: linear-gradient(160deg, rgba(253, 244, 196, 0.98), rgba(242, 223, 157, 0.95) 58%, rgba(235, 212, 139, 0.9));
  --board-note-border: rgba(143, 114, 48, 0.34);
  --board-note-shadow: 0 12px 24px rgba(0, 0, 0, 0.18);
  --board-note-text: rgba(24, 16, 6, 0.92);
  --board-note-meta: rgba(55, 38, 12, 0.72);
  --board-note-tape: linear-gradient(160deg, rgba(226, 208, 150, 0.9), rgba(200, 178, 120, 0.86));
  --board-note-font: "Comic Sans MS", "Bradley Hand", "Marker Felt", cursive;
}

[data-theme="dark"] .artifact-surface--board {
  --board-surface-panel: linear-gradient(180deg, rgba(16, 22, 34, 0.96), rgba(12, 18, 29, 0.94));
  --board-surface-stage: linear-gradient(180deg, rgba(8, 14, 24, 0.96), rgba(10, 15, 24, 0.92));
  --board-surface-grid: var(--glass);
  --board-surface-glow-a: var(--glass);
  --board-surface-glow-b: rgba(255, 170, 128, 0.06);
  --board-card-bg: rgba(18, 24, 38, 0.9);
  --board-card-border: var(--glass);
  --board-card-shadow: 0 18px 34px rgba(0, 0, 0, 0.22);
  --board-frame-bg: rgba(0, 0, 0, 0.12);
}

.artifact-surface--board .surface-board__scroll,
.artifact-surface--board .surface-board__freeform-scroll {
  background: var(--board-surface-panel);
}

.artifact-surface--board .surface-board__freeform-scroll {
  background:
    radial-gradient(circle at 16% 12%, var(--board-surface-glow-a), transparent 24%),
    radial-gradient(circle at 74% 20%, var(--board-surface-glow-b), transparent 26%),
    linear-gradient(var(--board-surface-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--board-surface-grid) 1px, transparent 1px),
    var(--board-surface-stage);
  background-size: auto, auto, 28px 28px, 28px 28px, auto;
}

.artifact-surface--board .surface-board__freeform-stage {
  background:
    radial-gradient(circle at 16% 12%, var(--board-surface-glow-a), transparent 24%),
    radial-gradient(circle at 74% 20%, var(--board-surface-glow-b), transparent 26%),
    linear-gradient(var(--board-surface-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--board-surface-grid) 1px, transparent 1px),
    var(--board-surface-stage);
  background-size: auto, auto, 28px 28px, 28px 28px, auto;
}

.artifact-surface--board .surface-board__card,
.artifact-surface--board .surface-board__checklist,
.artifact-surface--board .surface-board__variant-card,
.artifact-surface--board .surface-board__freeform-object--visual {
  background: var(--board-card-bg);
  border-color: var(--board-card-border);
  box-shadow: var(--board-card-shadow);
  border-radius: var(--board-card-radius);
}

.artifact-surface--board .surface-board__frame,
.artifact-surface--board .surface-board__variant-frame,
.artifact-surface--board .surface-board__freeform-frame {
  background: var(--board-frame-bg);
  border-color: var(--board-card-border);
}

.artifact-surface--board .surface-board__sticky,
.artifact-surface--board .surface-board__note-card,
.artifact-surface--board .surface-board__freeform-object--note {
  position: relative;
  background: var(--board-note-bg);
  border-color: var(--board-note-border);
  box-shadow: var(--board-note-shadow);
}

.artifact-surface--board .surface-board__sticky::before,
.artifact-surface--board .surface-board__freeform-object--note::before {
  background: var(--board-note-tape);
}

.artifact-surface--board .surface-board__sticky-text,
.artifact-surface--board .surface-board__note-copy,
.artifact-surface--board .surface-board__freeform-note-copy {
  color: var(--board-note-text);
  font-family: var(--board-note-font);
}

.artifact-surface--board .surface-board__note-meta,
.artifact-surface--board .surface-board__freeform-note-meta {
  color: var(--board-note-meta);
}

.artifact-surface--board[data-card-style="polaroid"] .surface-board__card,
.artifact-surface--board[data-card-style="polaroid"] .surface-board__variant-card,
.artifact-surface--board[data-card-style="polaroid"] .surface-board__freeform-object--visual {
  padding: 0.6rem 0.6rem 1rem;
}

.artifact-surface--board[data-card-style="polaroid"] .surface-board__frame,
.artifact-surface--board[data-card-style="polaroid"] .surface-board__variant-frame,
.artifact-surface--board[data-card-style="polaroid"] .surface-board__freeform-frame {
  border-radius: 6px;
}

.artifact-surface--board[data-card-style="storyboard-frame"] .surface-board__card,
.artifact-surface--board[data-card-style="storyboard-frame"] .surface-board__variant-card,
.artifact-surface--board[data-card-style="storyboard-frame"] .surface-board__freeform-object--visual {
  border-width: 2px;
}

.artifact-surface--board[data-note-style="lined-note"] .surface-board__sticky,
.artifact-surface--board[data-note-style="lined-note"] .surface-board__note-card,
.artifact-surface--board[data-note-style="lined-note"] .surface-board__freeform-object--note:not(.has-note-style-override),
.artifact-surface--board[data-note-style="simple-card"] .surface-board__sticky,
.artifact-surface--board[data-note-style="simple-card"] .surface-board__note-card,
.artifact-surface--board[data-note-style="simple-card"] .surface-board__freeform-object--note:not(.has-note-style-override),
.artifact-surface--board[data-note-style="parchment-note"] .surface-board__sticky,
.artifact-surface--board[data-note-style="parchment-note"] .surface-board__note-card,
.artifact-surface--board[data-note-style="parchment-note"] .surface-board__freeform-object--note:not(.has-note-style-override),
.artifact-surface--board[data-note-style="index-card"] .surface-board__sticky,
.artifact-surface--board[data-note-style="index-card"] .surface-board__note-card,
.artifact-surface--board[data-note-style="index-card"] .surface-board__freeform-object--note:not(.has-note-style-override),
.artifact-surface--board[data-note-style="taped-scrap"] .surface-board__sticky,
.artifact-surface--board[data-note-style="taped-scrap"] .surface-board__note-card,
.artifact-surface--board[data-note-style="taped-scrap"] .surface-board__freeform-object--note:not(.has-note-style-override) {
  transform: none;
}

.artifact-surface--board[data-note-style="lined-note"] .surface-board__sticky::before,
.artifact-surface--board[data-note-style="lined-note"] .surface-board__freeform-object--note:not(.has-note-style-override)::before,
.artifact-surface--board[data-note-style="simple-card"] .surface-board__sticky::before,
.artifact-surface--board[data-note-style="simple-card"] .surface-board__freeform-object--note:not(.has-note-style-override)::before,
.artifact-surface--board[data-note-style="parchment-note"] .surface-board__sticky::before,
.artifact-surface--board[data-note-style="parchment-note"] .surface-board__freeform-object--note:not(.has-note-style-override)::before,
.artifact-surface--board[data-note-style="index-card"] .surface-board__sticky::before,
.artifact-surface--board[data-note-style="index-card"] .surface-board__freeform-object--note:not(.has-note-style-override)::before {
  display: none;
}

.artifact-surface--board[data-note-style="lined-note"] .surface-board__sticky,
.artifact-surface--board[data-note-style="lined-note"] .surface-board__note-card,
.artifact-surface--board[data-note-style="lined-note"] .surface-board__freeform-object--note:not(.has-note-style-override) {
  background-image:
    linear-gradient(rgba(96, 87, 74, 0.12) 1px, transparent 1px),
    var(--board-note-bg);
  background-size: 100% 1.56rem, auto;
}

.artifact-surface--board[data-note-style="highlight-notecard"] .surface-board__sticky,
.artifact-surface--board[data-note-style="highlight-notecard"] .surface-board__note-card,
.artifact-surface--board[data-note-style="highlight-notecard"] .surface-board__freeform-object--note:not(.has-note-style-override) {
  background-image:
    linear-gradient(180deg, rgba(245, 235, 126, 0.55), rgba(245, 235, 126, 0.55)),
    var(--board-note-bg);
  background-size: 72% 1.5rem, auto;
  background-repeat: no-repeat;
  background-position: 0.7rem 2.05rem, 0 0;
}

.artifact-surface--board[data-note-style="parchment-note"] .surface-board__sticky-text,
.artifact-surface--board[data-note-style="parchment-note"] .surface-board__note-copy,
.artifact-surface--board[data-note-style="parchment-note"] .surface-board__freeform-object--note:not(.has-note-style-override) .surface-board__freeform-note-copy {
  font-style: italic;
}

.workspace-editor {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.workspace-editor__topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.workspace-editor__breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--sans);
  font-size: 0.58rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--text-ghost);
}

.workspace-editor__breadcrumb button {
  border: none;
  background: none;
  color: inherit;
  cursor: pointer;
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
}

.workspace-editor__breadcrumb button:hover {
  color: var(--text-muted);
}

.workspace-editor__summary h2 {
  font-family: var(--serif);
  font-size: clamp(1.45rem, 2.4vw, 1.95rem);
  line-height: 1.06;
}

.workspace-editor__summary p {
  margin-top: 0.34rem;
  font-family: var(--garamond);
  font-style: italic;
  font-size: 0.96rem;
  line-height: 1.46;
  color: var(--text-muted);
}

@media (max-width: 980px) {
  .surface-graph {
    grid-template-columns: 1fr;
  }

  .surface-graph__inspector {
    border-left: none;
    border-top: 1px solid var(--border);
  }
}

@media (max-width: 720px) {
  .artifact-surface__toolbar,
  .artifact-surface__footer,
  .artifact-surface__header,
  .surface-visual__body,
  .surface-note__body,
  .surface-note__tags,
  .surface-note__snippet-stack {
    padding-left: 0.85rem;
    padding-right: 0.85rem;
  }

  .artifact-surface__toolbar {
    gap: 0.34rem;
  }

  .surface-graph__canvas {
    min-height: 420px;
  }

  .surface-graph__node {
    min-width: 108px;
    max-width: 152px;
  }

  .surface-board__body {
    padding-left: 0.85rem;
    padding-right: 0.85rem;
  }

  .surface-board__mode-copy {
    font-size: 0.9rem;
  }

  .surface-board__track {
    min-width: 1440px;
    grid-auto-columns: minmax(280px, 360px);
  }

  .surface-board__freeform-stage {
    min-height: 680px;
  }

  .surface-board__freeform-object--visual {
    min-width: 220px;
  }

  .surface-board__freeform-object--note {
    min-width: 150px;
  }
}