.svrnty-canvas-overlay {
  display: none;
  grid-template-rows: auto 1fr;
  background: var(--bg, #0b0d10);
  color: var(--text, #f5f7fb);
  min-width: 0;
  overflow: hidden;
}

body > main.svrnty-canvas-overlay {
  display: grid;
  min-height: 100vh;
}

main.main.svrnty-showing-canvas > .main-view {
  display: none !important;
}

main.main.svrnty-showing-canvas > .svrnty-canvas-overlay {
  display: grid;
  flex: 1 1 100%;
  height: 100%;
  min-height: 0;
}

.svrnty-canvas-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 56px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border2, #252a31);
  background: color-mix(in srgb, var(--bg, #0b0d10) 92%, #ffffff 8%);
}

.svrnty-canvas-title {
  font-weight: 700;
  font-size: 14px;
  margin-right: 4px;
}

.svrnty-canvas-status {
  font-size: 12px;
  color: var(--muted, #9aa4b2);
  min-width: 150px;
}

.svrnty-canvas-prompt {
  flex: 1;
  min-width: 240px;
  height: 36px;
  border: 1px solid var(--border2, #252a31);
  border-radius: 6px;
  padding: 0 10px;
  background: var(--input-bg, #11151b);
  color: inherit;
}

.svrnty-canvas-stepper,
.svrnty-canvas-brand {
  height: 36px;
  border: 1px solid var(--border2, #252a31);
  border-radius: 6px;
  padding: 0 8px;
  background: var(--input-bg, #11151b);
  color: inherit;
}

.svrnty-canvas-btn {
  height: 36px;
  border: 1px solid var(--border2, #252a31);
  border-radius: 6px;
  padding: 0 12px;
  background: var(--button-bg, #171c23);
  color: inherit;
  cursor: pointer;
}

.svrnty-canvas-btn.primary {
  border-color: #007c57;
  background: #007c57;
  color: #fff;
}

.svrnty-canvas-btn:disabled {
  opacity: .55;
  cursor: not-allowed;
}

.svrnty-canvas-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  min-height: 0;
}

.svrnty-canvas-stage {
  position: relative;
  overflow: auto;
  padding: 28px;
  background:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px),
    #0f1318;
  background-size: 32px 32px;
}

.svrnty-canvas-artboards {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  min-width: max-content;
}

.svrnty-canvas-artboard {
  width: 360px;
  min-height: 640px;
  border: 1px solid #2b333d;
  border-radius: 8px;
  background: #f7f8fb;
  color: #12161c;
  box-shadow: 0 18px 45px rgba(0,0,0,.32);
  overflow: hidden;
}

.svrnty-canvas-artboard-head {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px solid #d8dde5;
  background: #fff;
  font-size: 12px;
}

.svrnty-canvas-badge {
  color: #667085;
  white-space: nowrap;
}

.svrnty-canvas-artboard-actions {
  display: flex;
  gap: 6px;
  padding: 8px 10px;
  border-bottom: 1px solid #e2e7ef;
  background: #fbfcfe;
}

.svrnty-canvas-mini-btn {
  min-height: 26px;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  padding: 0 8px;
  background: #fff;
  color: #172033;
  font-size: 11px;
  cursor: pointer;
}

.svrnty-canvas-mini-btn:hover {
  border-color: #007c57;
}

.svrnty-canvas-render {
  padding: 18px;
}

.svrnty-canvas-node {
  border: 1px solid #dde3ec;
  border-radius: 6px;
  padding: 10px;
  margin-bottom: 10px;
  background: #fff;
  font-size: 13px;
}

.svrnty-canvas-node[contenteditable="true"] {
  outline: 1px dashed transparent;
  cursor: text;
}

.svrnty-canvas-node[contenteditable="true"]:focus {
  outline-color: #007c57;
  background: #eefcf6;
}

.svrnty-canvas-node.row {
  display: flex;
  gap: 8px;
}

.svrnty-canvas-node.button {
  display: inline-flex;
  background: #007c57;
  color: #fff;
  border-color: #007c57;
}

.svrnty-canvas-node.text {
  border-color: transparent;
  background: transparent;
  padding: 4px 0;
  font-size: 16px;
  font-weight: 600;
}

.svrnty-canvas-empty {
  color: #a8b3c2;
  font-size: 13px;
  padding: 18px;
  border: 1px dashed #3a4350;
  border-radius: 8px;
  max-width: 520px;
  background: rgba(0,0,0,.16);
}

.svrnty-canvas-rail {
  min-width: 0;
  border-left: 1px solid var(--border2, #252a31);
  background: color-mix(in srgb, var(--bg, #0b0d10) 94%, #ffffff 6%);
  overflow: auto;
  padding: 14px;
}

.svrnty-canvas-rail h3 {
  margin: 0 0 8px;
  font-size: 13px;
}

.svrnty-canvas-log {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.svrnty-canvas-log-row {
  border: 1px solid var(--border2, #252a31);
  border-radius: 6px;
  padding: 8px;
  font-size: 12px;
  color: var(--muted, #9aa4b2);
  background: rgba(255,255,255,.025);
}

@media (max-width: 900px) {
  .svrnty-canvas-toolbar {
    flex-wrap: wrap;
  }
  .svrnty-canvas-body {
    grid-template-columns: 1fr;
  }
  .svrnty-canvas-rail {
    display: none;
  }
}