/**
 * Image Prep & Prompt Stylesheet
 * Part of the Utility Toolbox (Art Nexus Suite)
 */

/* Drag & Drop Upload Zone */
.drop-zone {
  border: 1px dashed var(--border-mid);
  border-radius: 4px;
  padding: 3rem 1.5rem;
  text-align: center;
  cursor: pointer;
  background: rgba(14, 13, 11, 0.4);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.drop-zone:hover,
.drop-zone.dragover {
  border-color: var(--da-accent);
  background: rgba(200, 145, 42, 0.04);
  box-shadow: 0 0 12px var(--da-accent-glow);
}

.drop-zone-text {
  font-family: var(--font-serif);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Tabs & Sections */
.editor-tab-btn {
  transition: all 0.2s ease;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
}

.editor-tab-btn:hover {
  color: var(--text-primary) !important;
  background: rgba(255, 255, 255, 0.03);
}

.editor-tab-btn.active {
  color: var(--da-accent) !important;
  border-bottom-color: var(--da-accent) !important;
}

/* Slider group alignments */
.form-input-slider {
  display: block;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.1);
  outline: none;
  margin: 0.6rem 0;
  -webkit-appearance: none;
}

.form-input-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--da-accent);
  cursor: pointer;
  box-shadow: 0 0 5px var(--da-accent-glow);
  transition: transform 0.1s;
}

.form-input-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.form-input-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--da-accent);
  cursor: pointer;
  border: none;
  box-shadow: 0 0 5px var(--da-accent-glow);
  transition: transform 0.1s;
}

.form-input-slider::-moz-range-thumb:hover {
  transform: scale(1.2);
}

/* Swatch container grid */
.color-swatch-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  flex: 1 1 50px;
}

.color-swatch-box {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 4px;
  border: 1px solid var(--border-mid);
  cursor: pointer;
  transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.2s ease;
}

.color-swatch-box:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.6);
  border-color: var(--da-accent);
}

/* Click feedback via class — avoids conflicts with the CSS hover transform.
   Only scale is used here; translateY is intentionally omitted so the swatch
   moves down (press-in feel) rather than staying lifted like the hover state. */
.color-swatch-box.copied {
  transform: scale(0.9);
}

.color-swatch-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: var(--text-muted);
  text-align: center;
  user-select: all;
}

/* Canvas Wrapper styling — consolidated into a single rule block */
#editorCanvasWrapper {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
  background: repeating-conic-gradient(rgba(255,255,255,0.03) 0% 25%, transparent 0% 50%) 50% / 20px 20px;
  /* Hint compositor to promote this element to its own layer for smoother scrolling/zooming */
  will-change: transform;
  /* Firefox scrollbar */
  scrollbar-width: thin;
  scrollbar-color: rgba(200, 145, 42, 0.45) rgba(255, 255, 255, 0.02);
}

/* Custom scrollbar for the Canvas Wrapper (Webkit) */
#editorCanvasWrapper::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

#editorCanvasWrapper::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.02);
  border-radius: 4px;
}

#editorCanvasWrapper::-webkit-scrollbar-thumb {
  background: rgba(200, 145, 42, 0.45);
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.02);
}

#editorCanvasWrapper::-webkit-scrollbar-thumb:hover {
  background: rgba(200, 145, 42, 0.85);
  border-color: var(--da-accent);
}

/* Align action rows */
.actions-row {
  display: flex;
  gap: 0.5rem;
}

.file-info-field {
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Layers List Manager UI */
.layers-list-container {
  background: rgba(14, 13, 11, 0.4);
  border: 1px solid var(--border-mid);
  border-radius: 4px;
  max-height: 180px;
  overflow-y: auto;
  overflow-x: hidden; /* Long layer names are clipped by .layer-item-name ellipsis, not the container */
  display: flex;
  flex-direction: column;
}

.layer-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.6rem;
  border-bottom: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  user-select: none;
  color: var(--text-muted);
}

.layer-item:last-child {
  border-bottom: none;
}

.layer-item:hover {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-primary);
}

.layer-item.active {
  background: rgba(200, 145, 42, 0.08);
  border-left: 2px solid var(--da-accent);
  color: var(--text-primary);
}

.layer-item-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.layer-item-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.15rem;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.layer-item-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.layer-item-btn.delete:hover {
  color: #ff6b6b;
  background: rgba(255, 107, 107, 0.1);
}

/* Use the native :disabled selector for accessibility — avoids the need for a .disabled class */
.layer-item-btn:disabled {
  opacity: 0.2;
  cursor: not-allowed;
  pointer-events: none;
}

.layer-item-icon {
  font-size: 0.95rem;
  color: var(--da-accent);
}

/* Canvas Zoom Controls */
#canvasZoomControls button {
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-mid);
  height: 26px;
  width: 26px;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  cursor: pointer;
}

#canvasZoomControls button:hover {
  background: rgba(200, 145, 42, 0.12);
  border-color: var(--da-accent);
  color: var(--text-primary);
  box-shadow: 0 0 8px var(--da-accent-glow);
}

#canvasZoomControls button:active {
  transform: scale(0.92);
}

/* Touch Action Configuration for Interactive Workspace.
   pan-x pan-y disables double-tap zoom and native pinch-zoom on the canvas element,
   allowing the custom JS pinch handler to take over.
   Note: on laptop trackpads, two-finger scroll may still conflict; if needed,
   switch to touch-action: none with fully manual scroll handling. */
#editorMainCanvas {
  touch-action: pan-x pan-y;
}

/* Style for active font formatting toggles */
.btn-toggle-active {
  background: rgba(200, 145, 42, 0.15) !important;
  border-color: var(--da-accent) !important;
  color: var(--da-accent) !important;
  box-shadow: 0 0 6px var(--da-accent-glow);
}

.canvas-prop-panel {
  width: 100%;
  margin-top: 2.25rem;
  padding-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background: linear-gradient(180deg, rgba(30, 27, 22, 0.75) 0%, rgba(20, 18, 14, 0.85) 100%);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 1.25rem;
  border-radius: 8px;
  border: 1px solid rgba(200, 145, 42, 0.18);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03), 0 10px 30px rgba(0, 0, 0, 0.5);
  box-sizing: border-box;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.canvas-prop-panel:hover {
  border-color: rgba(200, 145, 42, 0.28);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03), 0 12px 36px rgba(0, 0, 0, 0.6);
}

.canvas-prop-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  width: 100%;
}

.layer-type-badge {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  background: rgba(200, 145, 42, 0.15);
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  color: var(--da-accent);
  border: 1px solid rgba(200, 145, 42, 0.25);
  text-transform: uppercase;
  font-weight: bold;
}

.canvas-prop-grid-main {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  width: 100%;
}

.canvas-prop-subgrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.75rem;
  align-items: end;
  width: 100%;
}

.canvas-prop-sliders-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-top: 0.5rem;
  width: 100%;
}

@media (min-width: 480px) {
  .canvas-prop-sliders-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .canvas-prop-sliders-grid.single-slider .canvas-slider-group {
    grid-column: 1 / -1;
  }
}

.canvas-slider-group {
  display: flex;
  flex-direction: column;
}

.canvas-prop-effects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin-top: 0.75rem;
  width: 100%;
}

.canvas-effect-box {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 0.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.effect-enable-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.65rem;
  cursor: pointer;
  color: var(--text-primary);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.effect-controls-sub {
  border-left: 2px solid var(--da-accent);
  padding-left: 0.5rem;
  margin-top: 0.25rem;
  animation: fadeIn 0.2s ease;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}