.studio-body {
  display: grid;
  grid-template-columns: 280px 1fr 260px;
  grid-template-rows: auto 1fr auto;
  min-height: calc(100vh - 72px);
  gap: 0;
}

.studio-toolbar {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.25rem;
  border-bottom: 2px dashed var(--border);
  background: rgba(26, 18, 36, 0.95);
  flex-wrap: wrap;
}

.studio-toolbar h2 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 400;
  margin-right: auto;
}

.studio-toolbar .back-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
}
.studio-toolbar .back-link:hover { color: var(--accent); }

.tool-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.45rem 0.85rem;
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 500;
}
.tool-btn:hover { border-color: var(--accent); }
.tool-btn.active { border-color: var(--accent-2); color: var(--accent-2); }
.tool-btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  border: none;
  color: #111;
  font-weight: 700;
}

.studio-sidebar {
  padding: 1rem;
  border-right: 1px solid var(--border);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.studio-panel h3 {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 0.6rem;
  font-family: monospace;
}

.drop-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.drop-zone:hover, .drop-zone.dragover {
  border-color: var(--accent);
  background: rgba(244, 114, 182, 0.08);
}
.drop-zone p { color: var(--muted); font-size: 0.82rem; line-height: 1.5; }
.drop-zone .icon { font-size: 1.8rem; margin-bottom: 0.5rem; }

.control-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.control-group label {
  font-size: 0.75rem;
  color: var(--muted);
}
.control-group input[type="text"],
.control-group input[type="number"],
.control-group select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem;
  color: var(--text);
  font-family: inherit;
  font-size: 0.85rem;
}
.control-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}
.color-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.swatch {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: 2px solid transparent;
  cursor: pointer;
}
.swatch.active { border-color: var(--accent-2); box-shadow: 0 0 0 2px var(--bg); }

.studio-canvas-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background:
    radial-gradient(circle at 50% 50%, rgba(192, 132, 252, 0.06) 0%, transparent 60%),
    var(--bg);
  position: relative;
}

.canvas-shell {
  position: relative;
  box-shadow: 0 24px 48px rgba(0,0,0,0.45);
  border-radius: 8px;
  overflow: hidden;
}
#design-canvas { display: block; }

.studio-layers {
  padding: 1rem;
  border-left: 1px solid var(--border);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.layer-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.layer-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  cursor: pointer;
  font-size: 0.8rem;
}
.layer-item.active { border-color: var(--accent); background: rgba(244,114,182,0.1); }
.layer-item .layer-type {
  font-family: monospace;
  font-size: 0.65rem;
  color: var(--accent-3);
  text-transform: uppercase;
}
.layer-actions {
  display: flex;
  gap: 0.35rem;
  margin-top: 0.25rem;
}
.layer-actions button {
  flex: 1;
  font-size: 0.72rem;
  padding: 0.35rem;
}

.studio-footer {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.25rem;
  border-top: 2px dashed var(--border);
  background: var(--surface);
  flex-wrap: wrap;
  gap: 0.75rem;
}
.studio-footer .price-tag {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--millennial-yellow);
}
.studio-footer .hint {
  font-size: 0.75rem;
  color: var(--muted);
  font-style: italic;
}

@media (max-width: 960px) {
  .studio-body {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto 1fr auto auto;
  }
  .studio-sidebar { border-right: none; border-bottom: 1px solid var(--border); }
  .studio-layers { border-left: none; border-top: 1px solid var(--border); }
}