/* ========================================
   CURVED TEXT MODULE
   ======================================== */

/* --- Canvas layer stack --- */
.ct-canvas-stack {
  position: relative;
  display: inline-block;
  line-height: 0;
}

.ct-canvas-stack canvas {
  display: block;
  max-width: 100%;
  max-height: calc(100vh - 48px - 48px);
  border-radius: 12px;
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.4);
}

.ct-canvas-stack .ct-base-canvas {
  position: relative;
  z-index: 1;
}

.ct-canvas-stack .ct-text-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

.ct-canvas-stack .ct-overlay-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 3;
  pointer-events: auto;
  cursor: crosshair;
}

/* --- Path type segmented control --- */
.ct-path-type-group {
  display: flex;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}

.ct-path-type-btn {
  flex: 1;
  padding: 6px 8px;
  font-size: 0.7rem;
  font-weight: 600;
  text-align: center;
  background: transparent;
  color: var(--muted);
  border: none;
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease;
  white-space: nowrap;
}

.ct-path-type-btn:not(:last-child) {
  border-right: 1px solid var(--line);
}

.ct-path-type-btn:hover {
  background: rgba(171, 255, 203, 0.06);
  color: var(--text);
}

.ct-path-type-btn.active {
  background: rgba(171, 255, 203, 0.12);
  color: var(--accent);
}

/* --- Text side toggle --- */
.ct-side-group {
  display: flex;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}

.ct-side-btn {
  flex: 1;
  padding: 5px 8px;
  font-size: 0.68rem;
  font-weight: 600;
  text-align: center;
  background: transparent;
  color: var(--muted);
  border: none;
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease;
}

.ct-side-btn:not(:last-child) {
  border-right: 1px solid var(--line);
}

.ct-side-btn:hover {
  background: rgba(171, 255, 203, 0.06);
}

.ct-side-btn.active {
  background: rgba(171, 255, 203, 0.12);
  color: var(--accent);
}

/* --- Alignment radio group --- */
.ct-align-group {
  display: flex;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}

.ct-align-btn {
  flex: 1;
  padding: 5px 6px;
  font-size: 0.68rem;
  font-weight: 600;
  text-align: center;
  background: transparent;
  color: var(--muted);
  border: none;
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease;
}

.ct-align-btn:not(:last-child) {
  border-right: 1px solid var(--line);
}

.ct-align-btn:hover {
  background: rgba(171, 255, 203, 0.06);
}

.ct-align-btn.active {
  background: rgba(171, 255, 203, 0.12);
  color: var(--accent);
}

/* --- Text item list (layers) --- */
.ct-item-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 6px;
  min-height: 48px;
  max-height: 200px;
  overflow-y: auto;
}

.ct-item-empty {
  font-size: 0.68rem;
  color: var(--muted);
  text-align: center;
  padding: 8px 4px;
  opacity: 0.6;
}

.ct-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 4px;
  border: 1px solid transparent;
  cursor: pointer;
  user-select: none;
  transition: background 120ms ease, border-color 120ms ease;
  background: rgba(255, 255, 255, 0.02);
}

.ct-item:hover {
  background: rgba(171, 255, 203, 0.04);
}

.ct-item.selected {
  border-color: rgba(171, 255, 203, 0.35);
  background: rgba(171, 255, 203, 0.08);
}

.ct-item-icon {
  width: 22px;
  height: 22px;
  border-radius: 3px;
  border: 1px solid var(--line);
  background: rgba(171, 255, 203, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
  font-size: 0.6rem;
  font-weight: 700;
}

.ct-item-info {
  flex: 1;
  min-width: 0;
}

.ct-item-name {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ct-item-sub {
  font-size: 0.58rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ct-item-actions {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}

.ct-item-btn {
  width: 22px;
  height: 22px;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.5;
  transition: opacity 120ms ease, color 120ms ease;
  padding: 0;
  border-radius: 3px;
}

.ct-item-btn:hover {
  opacity: 1;
  color: var(--text);
}

.ct-item-btn.visible {
  opacity: 1;
  color: var(--accent);
}

.ct-item-btn svg {
  width: 12px;
  height: 12px;
}

/* --- Presets row --- */
.ct-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.ct-preset-btn {
  padding: 4px 8px;
  font-size: 0.62rem;
  font-weight: 600;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
  white-space: nowrap;
}

.ct-preset-btn:hover {
  background: rgba(171, 255, 203, 0.08);
  color: var(--text);
  border-color: rgba(171, 255, 203, 0.25);
}

/* --- Conditional sections --- */
.ct-arc-only,
.ct-bezier-only,
.ct-wave-only {
  display: none;
}

.ct-arc-only.show,
.ct-bezier-only.show,
.ct-wave-only.show {
  display: block;
}

/* --- Font input with Google Fonts support --- */
.ct-font-input-row {
  display: flex;
  gap: 4px;
  align-items: center;
}

.ct-font-input {
  flex: 1;
  min-width: 0;
}

/* --- Stroke / Shadow subsections --- */
.ct-subsection {
  padding-left: 10px;
  border-left: 2px solid var(--line);
  margin-left: 2px;
}

/* --- Handle tooltips on hover --- */
.ct-handle-tooltip {
  position: absolute;
  pointer-events: none;
  font-size: 0.6rem;
  color: var(--text);
  background: rgba(0, 0, 0, 0.75);
  padding: 2px 6px;
  border-radius: 3px;
  white-space: nowrap;
  z-index: 100;
  transform: translate(-50%, -120%);
}