.compositing-shell {
  position: relative;
  display: grid;
  gap: 18px;
}

.compositing-head {
  text-align: center;
}

.compositing-head h2 {
  margin: 0 0 8px;
  color: var(--color-earth);
}

.compositing-head p {
  margin: 0;
  color: #7d6e61;
  font-size: 0.95rem;
  line-height: 1.7;
}

.compositing-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 18px;
  align-items: start;
}

.compositing-stage-card,
.compositing-controls-card {
  background: linear-gradient(145deg, rgba(255,255,255,0.96), rgba(250,244,235,0.96));
  border: 1px solid rgba(133, 101, 85, 0.12);
  border-radius: 22px;
  box-shadow: 0 18px 40px rgba(89, 70, 52, 0.1);
  padding: 16px;
}

.compositing-stage-wrap {
  position: relative;
  width: 100%;
  border-radius: 18px;
  overflow: hidden;
  background:
    linear-gradient(45deg, rgba(234, 221, 206, 0.48) 25%, transparent 25%, transparent 75%, rgba(234, 221, 206, 0.48) 75%, rgba(234, 221, 206, 0.48)),
    linear-gradient(45deg, rgba(234, 221, 206, 0.48) 25%, transparent 25%, transparent 75%, rgba(234, 221, 206, 0.48) 75%, rgba(234, 221, 206, 0.48));
  background-position: 0 0, 12px 12px;
  background-size: 24px 24px;
  border: 1px solid rgba(133, 101, 85, 0.14);
  touch-action: pan-y pinch-zoom;
}

.compositing-canvas {
  display: block;
  width: 100%;
  height: auto;
  cursor: grab;
  touch-action: pan-y pinch-zoom;
}

.compositing-canvas.is-dragging {
  cursor: grabbing;
}

.compositing-stage-hint {
  margin: 10px 0 0;
  font-size: 0.82rem;
  color: #8a7a6a;
  text-align: center;
}

.compositing-controls-card {
  display: grid;
  gap: 14px;
}

.compositing-section {
  display: grid;
  gap: 10px;
}

.compositing-section[hidden],
.compositing-section-body[hidden],
#compositingScaleBlock[hidden],
#compositingActions[hidden] {
  display: none !important;
}

.compositing-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 16px;
  border-radius: 16px;
  border: 1px solid rgba(133, 101, 85, 0.14);
  background: rgba(255,255,255,0.84);
  color: var(--color-earth);
  font: inherit;
  font-size: 0.92rem;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.compositing-toggle:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 77, 141, 0.28);
  box-shadow: 0 10px 24px rgba(89, 70, 52, 0.08);
}

.compositing-toggle::after {
  content: "▾";
  color: #b16e88;
  font-size: 0.9rem;
  transition: transform 0.2s ease;
}

.compositing-section.is-open .compositing-toggle::after {
  transform: rotate(180deg);
}

.compositing-section-body {
  display: grid;
  gap: 10px;
}

.compositing-back-btn {
  justify-self: start;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(133, 101, 85, 0.16);
  background: rgba(255,255,255,0.88);
  color: var(--color-earth);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.compositing-back-btn:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 77, 141, 0.28);
  box-shadow: 0 10px 20px rgba(89, 70, 52, 0.08);
}

.compositing-label {
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--color-earth);
  margin: 0 0 8px;
}

.compositing-template-grid {
  display: grid;
  gap: 10px;
}

.compositing-template-btn {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 10px;
  border-radius: 18px;
  border: 1px solid rgba(133, 101, 85, 0.16);
  background: rgba(255,255,255,0.82);
  cursor: pointer;
  text-align: left;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.compositing-template-btn.is-active {
  border-color: rgba(255, 77, 141, 0.42);
  box-shadow: 0 12px 28px rgba(255, 77, 141, 0.12);
  transform: translateY(-1px);
}

.compositing-template-thumb {
  width: 72px;
  height: 72px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(133, 101, 85, 0.12);
  background: #fff;
}

.compositing-template-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.compositing-template-meta strong {
  display: block;
  color: var(--color-earth);
  font-size: 0.92rem;
  margin-bottom: 4px;
}

.compositing-template-meta span {
  display: block;
  color: #8a7a6a;
  font-size: 0.8rem;
  line-height: 1.5;
}

.compositing-upload {
  display: grid;
  gap: 10px;
}

.compositing-upload-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.compositing-upload input[type="file"] {
  display: none;
}

.compositing-upload-btn,
.compositing-confirm-btn,
.compositing-download-btn {
  width: 100%;
  justify-content: center;
}

.compositing-upload-btn {
  width: calc(50% - 5px);
  min-width: 0;
  padding-left: 10px;
  padding-right: 10px;
}

.compositing-upload-btn-secondary {
  background: linear-gradient(145deg, #fff8ee, #efe2cf);
  color: var(--color-earth);
  border: 1px solid rgba(133, 101, 85, 0.18);
}

.compositing-download-btn {
  background: linear-gradient(145deg, #f08a22, #d96a12);
  color: #fffaf4;
  border-color: rgba(185, 94, 19, 0.28);
}

.compositing-range {
  width: 100%;
  accent-color: #ff4d8d;
}

.compositing-copy {
  display: grid;
  gap: 8px;
}

.compositing-text-input {
  width: 100%;
  border: 1px solid rgba(133, 101, 85, 0.18);
  border-radius: 14px;
  background: rgba(255,255,255,0.9);
  color: var(--color-earth);
  padding: 12px 14px;
  font: inherit;
}

.compositing-text-input::placeholder {
  color: #a18f81;
}

.compositing-text-input:focus {
  outline: none;
  border-color: rgba(255, 77, 141, 0.42);
  box-shadow: 0 0 0 4px rgba(255, 77, 141, 0.12);
}

.compositing-status {
  min-height: 42px;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255,255,255,0.82);
  border: 1px solid rgba(133, 101, 85, 0.12);
  color: #6f6258;
  font-size: 0.84rem;
  line-height: 1.6;
}

.compositing-actions {
  display: grid;
  gap: 10px;
}

.compositing-loading-overlay {
  position: absolute;
  inset: 0;
  z-index: 6;
  display: grid;
  place-items: center;
  gap: 12px;
  background: rgba(255, 247, 240, 0.72);
  border-radius: 24px;
  backdrop-filter: blur(4px);
}

.compositing-loading-overlay[hidden] {
  display: none !important;
}

.compositing-loading-spinner {
  width: 58px;
  height: 58px;
  border-radius: 999px;
  border: 4px solid rgba(255, 77, 141, 0.18);
  border-top-color: #ff4d8d;
  border-right-color: #d57b3f;
  animation: compositingSpin 0.9s linear infinite;
}

.compositing-loading-text {
  margin: 0;
  color: var(--color-earth);
  font-size: 0.92rem;
  font-weight: 800;
}

@keyframes compositingSpin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 820px) {
  .compositing-layout {
    grid-template-columns: 1fr;
  }

  .compositing-upload-btn {
    width: 100%;
  }
}