/* =============================================================================
   Component Styles
   ============================================================================= */

/* -----------------------------------------------------------------------------
   Buttons
   ----------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-smooth);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
  position: relative;
  letter-spacing: 0.01em;
}

.btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #fff;
  border-color: rgba(139, 45, 180, 0.4);
  box-shadow: 0 2px 8px rgba(139, 45, 180, 0.25);
}

.btn-primary:hover:not(:disabled) {
  box-shadow: var(--glow-primary), 0 4px 16px rgba(139, 45, 180, 0.3);
  transform: translateY(-1px);
  filter: brightness(1.1);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
  filter: brightness(0.95);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text);
  border-color: rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-1px);
}

.btn-accent {
  background: linear-gradient(135deg, var(--color-accent) 0%, #e8d84a 100%);
  color: #111;
  border-color: rgba(251, 241, 87, 0.4);
  box-shadow: 0 2px 8px rgba(251, 241, 87, 0.15);
}

.btn-accent:hover:not(:disabled) {
  box-shadow: var(--glow-accent), 0 4px 16px rgba(251, 241, 87, 0.2);
  transform: translateY(-1px);
  filter: brightness(1.05);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.03);
  color: var(--color-text);
  border-color: rgba(255, 255, 255, 0.1);
}

.btn-outline:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-1px);
}

.btn-danger {
  background: linear-gradient(135deg, rgba(248, 113, 113, 0.15) 0%, rgba(248, 113, 113, 0.08) 100%);
  color: var(--color-danger);
  border-color: rgba(248, 113, 113, 0.25);
}

.btn-danger:hover:not(:disabled) {
  background: linear-gradient(135deg, rgba(248, 113, 113, 0.25) 0%, rgba(248, 113, 113, 0.12) 100%);
  box-shadow: 0 0 16px rgba(248, 113, 113, 0.15);
  transform: translateY(-1px);
}

.btn-warning {
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.15) 0%, rgba(251, 191, 36, 0.08) 100%);
  color: var(--color-warning);
  border-color: rgba(251, 191, 36, 0.25);
}

.btn-warning:hover:not(:disabled) {
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.25) 0%, rgba(251, 191, 36, 0.12) 100%);
  box-shadow: 0 0 16px rgba(251, 191, 36, 0.15);
  transform: translateY(-1px);
}

.btn-sm {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: var(--space-md) var(--space-xl);
  font-size: var(--font-size-base);
}

.btn-icon {
  width: 36px;
  height: 29px;
  padding: 0;
  border-radius: var(--radius-md);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* Connect button special style */
.btn-connect {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #fff;
  border-color: rgba(139, 45, 180, 0.4);
  box-shadow: 0 2px 8px rgba(139, 45, 180, 0.25);
}

.btn-connect.connected {
  background: linear-gradient(135deg, var(--color-success) 0%, #2dd4a0 100%);
  border-color: rgba(52, 211, 153, 0.4);
  box-shadow: var(--glow-success);
}

/* -----------------------------------------------------------------------------
   File Picker
   ----------------------------------------------------------------------------- */

.file-input-row {
  margin-bottom: var(--space-md);
}

/* Inline variant: file label + patch dropdowns on one row */
.file-input-row--inline {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.patch-settings--inline {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
  margin-left: auto;
}

/* Hide the native file input — the label acts as the visible button */
.file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Style the <label> to match .btn .btn-outline */
.file-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-smooth);
  white-space: nowrap;
  user-select: none;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  letter-spacing: 0.01em;
}

.file-label:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.18);
  color: var(--color-text);
  transform: translateY(-1px);
}

.file-label:active {
  transform: translateY(0);
}

/* After a file is chosen, accent the border & text */
.file-label.has-file {
  border-color: rgba(52, 211, 153, 0.35);
  color: var(--color-success);
  background: rgba(52, 211, 153, 0.06);
  box-shadow: 0 0 12px rgba(52, 211, 153, 0.08);
}

/* When the loaded file has been edited, override green with orange */
.file-label.has-file-edited {
  border-color: rgba(251, 191, 36, 0.4);
  color: #fbbf24;
  background: rgba(251, 191, 36, 0.06);
  box-shadow: 0 0 12px rgba(251, 191, 36, 0.1);
}

.file-label.has-file-edited:hover {
  border-color: rgba(251, 191, 36, 0.6);
  color: #fbbf24;
  background: rgba(251, 191, 36, 0.1);
}

/* Reset button defaults when using .file-label on <button> elements */
button.file-label {
  font-family: inherit;
  line-height: inherit;
  color: var(--color-text);
}

.file-label.file-label-danger {
  color: var(--color-danger);
  border-color: rgba(248, 113, 113, 0.25);
}

.file-label.file-label-danger:hover {
  background: rgba(248, 113, 113, 0.1);
  border-color: rgba(248, 113, 113, 0.4);
  color: var(--color-danger);
}

/* ── Full-Page Drop Zone Overlay ──────────────────────────────────────────── */

.page-drop-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  align-items: center;
  justify-content: center;
  background: rgba(10, 10, 20, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: opacity var(--transition-fast);
}

.page-drop-overlay.active {
  display: flex;
}

.page-drop-overlay .drop-overlay-border {
  position: absolute;
  inset: 12px;
  border: 2.5px dashed var(--color-primary-light);
  border-radius: var(--radius-xl);
  box-shadow: inset 0 0 60px rgba(139, 45, 180, 0.1), var(--glow-primary);
  pointer-events: none;
}

.page-drop-overlay .drop-overlay-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  color: var(--color-primary-light);
  font-size: var(--font-size-xl);
  font-weight: 700;
  text-shadow: 0 0 24px rgba(139, 45, 180, 0.6);
  animation: drop-pulse 1.8s ease-in-out infinite;
}

.page-drop-overlay .drop-overlay-icon {
  font-size: 3.5rem;
  filter: drop-shadow(0 0 16px rgba(139, 45, 180, 0.7));
}

.page-drop-overlay .drop-overlay-label {
  letter-spacing: 0.02em;
}

.page-drop-overlay .drop-overlay-hint {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-weight: 400;
  letter-spacing: 0.04em;
}

.drop-overlay-file-types {
  display: flex;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
  justify-content: center;
  flex-wrap: wrap;
}

.file-type-card {
  width: 90px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 200ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.file-svg {
  width: 100%;
  height: 100%;
  color: var(--color-primary-light);
  filter: drop-shadow(0 4px 12px rgba(139, 45, 180, 0.25));
  transition: all 200ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.file-type-card:hover .file-svg {
  filter: drop-shadow(0 8px 20px rgba(139, 45, 180, 0.5));
}

.file-type-card:hover {
  transform: translateY(-4px);
}

.file-text {
  font-size: 14px;
  font-weight: 700;
  font-family: var(--font-family-mono);
  letter-spacing: -0.01em;
}

@keyframes drop-pulse {
  0%, 100% { opacity: 0.85; transform: translateY(0); }
  50% { opacity: 1; transform: translateY(-6px); }
}

/* ── Cart Editor Drop Overlay ─────────────────────────────────────────────── */

/* The overlay container — covers viewport but is pointer-transparent.
   The real slot-list and detail-panel float ABOVE the backdrop. */
.cart-drop-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9998;
  pointer-events: none;
}

.cart-drop-overlay.active {
  display: block;
}

/* Dark blurred backdrop behind everything */
.cart-drop-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 20, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  pointer-events: auto;
}

/* .bin hint banner pinned to top, above the frames */
.cart-drop-bin-banner {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 45%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.03em;
  pointer-events: none;
}

.cart-drop-bin-banner span {
  display: inline-block;
  animation: drop-pulse 1.8s ease-in-out infinite;
}

.cart-drop-bin-banner strong {
  color: var(--color-accent);
}

/* When the cart overlay is active, the slot list and detail panel get .cart-drag-hover
   via JS to float above the backdrop with z-index: 10000. */

/* Slot list container: elevated when dragging over cart */
.cart-slot-list-container.cart-drag-hover {
  position: relative;
  z-index: 10000;
  outline: 2.5px dashed var(--color-primary-light);
  outline-offset: -1px;
  box-shadow: 0 0 30px rgba(139, 45, 180, 0.25), inset 0 0 40px rgba(139, 45, 180, 0.06);
}

/* Detail panel: elevated when dragging over cart */
.cart-detail-panel.cart-drag-hover {
  position: relative;
  z-index: 10000;
  outline: 2.5px dashed var(--color-primary-light);
  outline-offset: -1px;
  box-shadow: 0 0 30px rgba(139, 45, 180, 0.25), inset 0 0 40px rgba(139, 45, 180, 0.06);
}

/* Detail panel drop-active state (direct hover while dragging) */
.cart-detail-panel.cart-detail-drop-active {
  outline: 2px dashed var(--color-primary);
  outline-offset: -2px;
  background: rgba(139, 45, 180, 0.08);
}

.file-label.has-file:hover {
  background: rgba(52, 211, 153, 0.1);
  border-color: rgba(52, 211, 153, 0.45);
}

/* -----------------------------------------------------------------------------
   Cards & Sections
   ----------------------------------------------------------------------------- */

.card {
  background: var(--color-bg-surface);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--glass-shadow);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.card-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
}

.section {
  margin-bottom: var(--space-xl);
}

.section-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-border);
}

/* -----------------------------------------------------------------------------
   Form Controls
   ----------------------------------------------------------------------------- */

.form-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.form-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
}

.checkbox-label:hover {
  color: var(--color-text);
}

.checkbox-label input[type="checkbox"] {
  accent-color: var(--color-accent);
}

.panel:not(#panel-code) select,
.panel:not(#panel-code) input[type="text"],
.panel:not(#panel-code) input[type="number"] {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-family: var(--font-family);
  transition: border-color var(--transition-smooth), box-shadow var(--transition-smooth);
}

.panel:not(#panel-code) select {
  cursor: pointer;
}

.panel:not(#panel-code) select option {
  background: #1a1a2e;
  color: #fff;
}

.panel:not(#panel-code) select:focus,
.panel:not(#panel-code) input:focus {
  outline: none;
  border-color: rgba(139, 45, 180, 0.5);
  box-shadow: 0 0 0 3px rgba(139, 45, 180, 0.1);
}

/* -----------------------------------------------------------------------------
   Hex Viewer
   ----------------------------------------------------------------------------- */

.hex-viewer {
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  background: rgba(10, 10, 20, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  max-height: 300px;
  overflow: auto;
  white-space: pre;
  line-height: 1.4;
}

/* -----------------------------------------------------------------------------
   Image Preview
   ----------------------------------------------------------------------------- */

.preview-canvas {
  background: repeating-conic-gradient(#222 0% 25%, #333 0% 50%) 50% / 10px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  image-rendering: pixelated;
}

.preview-strip {
  display: flex;
  gap: var(--space-sm);
  overflow-x: auto;
  padding: var(--space-sm) 0;
}

/* -----------------------------------------------------------------------------
   Slot Editor (Cart)
   ----------------------------------------------------------------------------- */

.slot-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-height: 60vh;
  overflow-y: auto;
}

.slot-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  transition: all var(--transition-smooth);
  cursor: grab;
}

.slot-item:hover {
  border-color: rgba(251, 241, 87, 0.2);
  background: rgba(255, 255, 255, 0.05);
}

.slot-item.dragging {
  opacity: 0.5;
  border-color: var(--color-primary);
}

.slot-item.category {
  border-left: 3px solid var(--color-accent);
}

.slot-thumbnail {
  width: 64px;
  height: 32px;
  border-radius: var(--radius-sm);
  image-rendering: pixelated;
  background: #000;
  flex-shrink: 0;
}

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

.slot-title {
  font-weight: 600;
  font-size: var(--font-size-sm);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.slot-meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.slot-actions {
  display: flex;
  gap: var(--space-xs);
  flex-shrink: 0;
}

/* Category header slot */
.slot-category-header {
  font-weight: 700;
  font-size: var(--font-size-base);
  color: var(--color-accent);
}

/* Drop zone indicator */
.slot-drop-zone {
  height: 4px;
  border-radius: 2px;
  background: var(--color-primary);
  margin: calc(-1 * var(--space-xs)) 0;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.slot-drop-zone.active {
  opacity: 1;
}

/* -----------------------------------------------------------------------------
   Info Box (scan results, device info, etc.)
   ----------------------------------------------------------------------------- */

.info-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  margin-top: var(--space-md);
  margin-bottom: var(--space-md);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.info-box h4 {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-accent);
  margin: 0 0 var(--space-sm) 0;
}

.info-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-xs) var(--space-lg);
  margin: 0;
}

.info-columns {
  display: flex;
  align-items: start;
  gap: 4rem;
}

.info-grid dt {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.info-grid dd {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
  font-family: var(--font-mono);
}

.info-box.hidden {
  display: none;
}

/* -----------------------------------------------------------------------------
   Sketch .arduboy Metadata Card
   ----------------------------------------------------------------------------- */

.sketch-meta-card {
  position: relative;
}

.sketch-meta-layout {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
}

.sketch-meta-image-wrap {
  flex-shrink: 0;
  padding: 8px;
  border-radius: var(--radius-md);
  background: #000;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.sketch-meta-img {
  display: block;
  width: 128px;
  height: 64px;
  object-fit: contain;
  image-rendering: pixelated;
}

.sketch-meta-img[src=""],
.sketch-meta-img:not([src]) {
  display: none;
}

.sketch-meta-img[src=""] ~ .sketch-meta-image-wrap,
.sketch-meta-image-wrap:has(.sketch-meta-img:not([src])),
.sketch-meta-image-wrap:has(.sketch-meta-img[src=""]) {
  display: none;
}

.sketch-meta-fields {
  flex: 1;
  min-width: 0;
}

.sketch-meta-title-row {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  margin-bottom: var(--space-xs);
}

.sketch-meta-title {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-text);
}

.sketch-meta-version {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
}

.sketch-meta-row {
  display: flex;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

.sketch-meta-label {
  color: var(--color-text-secondary);
  flex-shrink: 0;
  min-width: 5.5em;
}

.sketch-meta-value {
  color: var(--color-text);
  font-weight: 500;
}

.sketch-meta-desc {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.sketch-meta-links {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-xs);
}

.sketch-meta-links a {
  color: var(--color-text-secondary);
  transition: color var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--font-size-xs);
  text-decoration: none;
}

.sketch-meta-links a:hover {
  color: var(--color-primary-light);
}

.sketch-meta-links svg {
  width: 14px;
  height: 14px;
}

/* -----------------------------------------------------------------------------
   Toast / Notifications
   ----------------------------------------------------------------------------- */

.toast-container {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  display: flex;
  flex-direction: column-reverse;
  gap: var(--space-sm);
  z-index: 2000;
  pointer-events: none;
}

.toast-container .toast {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: #fff;
  pointer-events: auto;
  animation: toast-in 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.toast-container .toast.info    { background: rgba(96, 165, 250, 0.85);  color: #0a0a14;}
.toast-container .toast.success { background: rgba(52, 211, 153, 0.85); color: #0a0a14; }
.toast-container .toast.warning { background: rgba(251, 191, 36, 0.9); color: #0a0a14; }
.toast-container .toast.error   { background: rgba(248, 113, 113, 0.85);  color: #0a0a14;}
.toast-container .toast.purple  { background: rgba(167, 139, 250, 0.85);  color: #0a0a14;}
.toast-container .toast.orange  { background: rgba(251, 146, 60, 0.9); color: #0a0a14; }

@keyframes toast-in {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}

/* -----------------------------------------------------------------------------
   New Image Dialog
   ----------------------------------------------------------------------------- */

.new-image-dialog-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 5, 15, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10003;
  transition: opacity 200ms ease;
  opacity: 0;
}

.new-image-dialog-overlay.hidden { display: none; }
.new-image-dialog-overlay.visible { opacity: 1; }

.new-image-dialog {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--glass-shadow-lg);
  padding: var(--space-xl);
  min-width: 320px;
  max-width: 400px;
  transform: translateY(12px) scale(0.97);
  transition: transform 200ms cubic-bezier(0.4, 0, 0.2, 1), opacity 200ms ease;
  opacity: 0;
}

.new-image-dialog-overlay.visible .new-image-dialog {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.new-image-dialog h3 {
  margin: 0 0 var(--space-lg) 0;
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-accent);
  text-align: center;
}

.new-image-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.new-image-field label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.new-image-input {
  padding: 8px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.3);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  appearance: textfield;
  -moz-appearance: textfield;
}

.new-image-input::-webkit-inner-spin-button,
.new-image-input::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.new-image-input:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 1px var(--color-primary-light);
}

.new-image-dims-row {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  margin-top: var(--space-md);
}

.new-image-x {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  padding-bottom: 10px;
}

.new-image-error {
  margin-top: var(--space-sm);
  font-size: var(--font-size-xs);
  color: var(--color-danger);
  text-align: center;
}

.new-image-error.hidden { display: none; }

.new-image-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  margin-top: var(--space-lg);
}

.new-image-actions .btn {
  min-width: 90px;
}

/* -----------------------------------------------------------------------------
   Confirm Modal
   ----------------------------------------------------------------------------- */

.confirm-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 5, 15, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10002;
  transition: opacity 200ms ease;
  opacity: 0;
}

.confirm-overlay.hidden {
  display: none;
}

.confirm-overlay.visible {
  opacity: 1;
}

.confirm-card {
  max-width: 440px;
  min-width: 320px;
  text-align: center;
  transform: translateY(12px) scale(0.97);
  transition: transform 200ms cubic-bezier(0.4, 0, 0.2, 1), opacity 200ms ease;
  opacity: 0;
}

.confirm-card.visible {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.confirm-title {
  margin: 0 0 var(--space-md) 0;
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: -0.01em;
}

.confirm-message {
  margin: 0 0 var(--space-xl) 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  white-space: pre-wrap;
  text-align: left;
}

.confirm-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

/* Experimental / warning button gets its own row above the primary actions */
.confirm-actions .btn-warning {
  order: -1;
  width: 100%;
}

.confirm-cancel-row {
  display: flex;
  justify-content: center;
  margin-top: var(--space-sm);
}

/* -----------------------------------------------------------------------------
   Serial Settings Modal
   ----------------------------------------------------------------------------- */

.btn-serial-menu {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 25px;
  height: 25px;
  padding: 0;
  border: var(--glass-border);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-smooth);
  font-size: 0.75rem;
}

.btn-serial-menu svg {
  pointer-events: none;
  cursor: pointer;
}

.btn-serial-menu:hover {
  border-color: rgba(255, 255, 255, 0.15);
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.07);
}

.serial-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 5, 15, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10002;
  transition: opacity 200ms ease;
  opacity: 0;
}

.serial-modal-overlay.hidden {
  display: none;
}

.serial-modal-overlay.visible {
  opacity: 1;
}

.serial-modal-card {
  width: 600px;
  max-width: 90vw;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  background: var(--color-bg-surface);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow-lg);
  transform: translateY(12px) scale(0.97);
  transition: transform 200ms cubic-bezier(0.4, 0, 0.2, 1), opacity 200ms ease;
  opacity: 0;
}

.serial-modal-card.visible {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.serial-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-lg) var(--space-sm);
}

.serial-modal-title {
  margin: 0;
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: -0.01em;
}

.serial-modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text-muted);
  font-size: 1.25rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.serial-modal-close:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.08);
}

.serial-modal-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-sm) var(--space-lg);
}

.serial-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg) var(--space-lg);
  border-top: var(--glass-border);
}

/* ── Sections ──────────────────────────────────────────────────────────────── */

.serial-section {
  margin-bottom: var(--space-md);
}

.serial-section-label {
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.serial-section-info {
  opacity: 0.6;
}

.serial-info-text {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* ── Port rows ─────────────────────────────────────────────────────────────── */

.serial-port-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.serial-port-row:not(.serial-port-empty):hover {
  background: rgba(255, 255, 255, 0.03);
}

.serial-port-active {
  background: rgba(52, 211, 153, 0.06);
}

.serial-port-active td {
  border-top: 1px solid rgba(52, 211, 153, 0.15);
  border-bottom: 1px solid rgba(52, 211, 153, 0.15);
}

.serial-port-active td:first-child {
  border-left: 1px solid rgba(52, 211, 153, 0.15);
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.serial-port-active td:last-child {
  border-right: 1px solid rgba(52, 211, 153, 0.15);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.serial-port-empty {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  font-style: italic;
  padding: var(--space-sm);
}

.serial-port-info {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  min-width: 0;
}

.serial-port-name {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
}

.serial-port-vid {
  font-size: var(--font-size-xs);
  font-family: var(--font-mono);
  color: var(--color-text-muted);
}

.serial-port-seen {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  opacity: 0.7;
}

.serial-port-status {
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.serial-port-status.connected {
  color: var(--color-success);
}

/* ── Device table ──────────────────────────────────────────────────────────── */

.serial-device-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.serial-device-table td {
  padding: var(--space-xs) var(--space-sm);
  vertical-align: middle;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.serial-device-table tr.serial-port-active:hover {
  background: rgba(52, 211, 153, 0.06);
}

.serial-col-name {
  width: 40%;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
}

.serial-col-vid {
  width: 22%;
  font-size: var(--font-size-xs);
  font-family: var(--font-mono);
  color: var(--color-text-muted);
}

.serial-col-mode {
  width: 19%;
}

.serial-col-status {
  width: 19%;
}

/* ── Tags ──────────────────────────────────────────────────────────────────── */

.serial-tag {
  display: inline-block;
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.serial-tag-bootloader {
  background: rgba(251, 191, 36, 0.12);
  color: var(--color-warning);
  border: 1px solid rgba(251, 191, 36, 0.2);
}

.serial-tag-sketch {
  background: rgba(96, 165, 250, 0.12);
  color: var(--color-info);
  border: 1px solid rgba(96, 165, 250, 0.2);
}

.serial-tag-active {
  background: rgba(52, 211, 153, 0.12);
  color: var(--color-success);
  border: 1px solid rgba(52, 211, 153, 0.2);
}

.serial-tag-available {
  background: rgba(52, 211, 153, 0.08);
  color: rgba(52, 211, 153, 0.7);
  border: 1px solid rgba(52, 211, 153, 0.15);
}

.serial-tag-offline {
  background: rgba(148, 163, 184, 0.08);
  color: rgba(148, 163, 184, 0.6);
  border: 1px solid rgba(148, 163, 184, 0.15);
}

/* ── Toggle switch for serial modal settings ────────────────────────────────── */

.serial-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xs) 0;
  cursor: pointer;
  user-select: none;
}

.serial-toggle-label {
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.serial-toggle-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.serial-toggle-track {
  position: relative;
  width: 36px;
  height: 20px;
  border-radius: 10px;
  background: rgba(148, 163, 184, 0.25);
  transition: background 0.2s;
  flex-shrink: 0;
}

.serial-toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-text-muted);
  transition: transform 0.2s, background 0.2s;
}

.serial-toggle-input:checked + .serial-toggle-track {
  background: var(--color-success);
}

.serial-toggle-input:checked + .serial-toggle-track .serial-toggle-thumb {
  transform: translateX(16px);
  background: #fff;
}

/* ── Revoke confirmation overlay ────────────────────────────────────────────── */

.serial-confirm-overlay {
  position: fixed;
  inset: 0;
  z-index: 10003;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.serial-confirm-overlay.visible {
  opacity: 1;
}

.serial-confirm-card {
  max-width: 400px;
  padding: var(--space-lg);
  background: var(--glass-bg);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  text-align: left;
}

.serial-confirm-icon {
  display: block;
  margin: 0 0 var(--space-md);
  color: var(--color-danger);
}

.serial-confirm-card p {
  margin: 0 0 var(--space-md);
  color: var(--color-danger);
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

.serial-confirm-actions {
  display: flex;
  justify-content: right;
  gap: var(--space-sm);
}

/* ── Small button variant ──────────────────────────────────────────────────── */

.btn-xs {
  padding: 2px var(--space-sm);
  font-size: var(--font-size-xs);
  border-radius: var(--radius-sm);
}


.serial-forget-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* -----------------------------------------------------------------------------
   Responsive
   ----------------------------------------------------------------------------- */

@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-sm);
  }

  .navbar-tabs {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .navbar-actions {
    margin-left: 0;
    width: 100%;
    justify-content: flex-end;
  }

  .panels {
    padding: var(--space-md);
  }

  .modal-card,
  .serial-modal-card {
    min-width: unset;
    margin: var(--space-md);
  }
}

/* =============================================================================
   Cart Editor
   ============================================================================= */

/* ── Toolbar ────────────────────────────────────────────────────────────────── */

.cart-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
}

.cart-toolbar-group {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.cart-confirm-delete-label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  margin-left: var(--space-sm);
}

.cart-confirm-delete-label input[type="checkbox"] {
  margin: 0;
  cursor: pointer;
  accent-color: var(--color-primary-light);
}

/* Patch settings row (Sketch / FX Flash panels) */
.patch-settings {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.cart-setting-label {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.cart-setting-select {
  font-size: var(--font-size-xs);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
}

.cart-setting-select option {
  background: #1a1a2e;
  color: #fff;
}

.cart-header-row {
  display: flex;
  align-items: baseline;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.cart-header-row .panel-description {
  margin-bottom: 0;
}

.cart-toolbar-settings-group {
  margin-left: auto;
  gap: var(--space-lg);
  flex-shrink: 0;
}

.cart-toolbar-separator {
  width: 1px;
  height: 24px;
  background: var(--color-border);
  margin: 0 var(--space-xs);
}

.cart-toolbar-divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 0;
}

.cart-toolbar-search {
  margin-left: auto;
}

.cart-toolbar-row2 {
  margin-bottom: 0;
  padding-bottom: var(--space-sm);
  border-bottom: none;
  border-top: 1px solid var(--color-border);
}

.cart-search-input {
  width: 180px;
  padding: var(--space-xs) var(--space-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text);
  font-size: var(--font-size-xs);
  font-family: var(--font-family);
  transition: border-color var(--transition-smooth), box-shadow var(--transition-smooth);
}

.cart-search-input:focus {
  outline: none;
  border-color: rgba(139, 45, 180, 0.5);
  box-shadow: 0 0 0 3px rgba(139, 45, 180, 0.1);
}

.cart-search-input::placeholder {
  color: var(--color-text-muted);
}

/* ── Main Layout ────────────────────────────────────────────────────────────── */

.cart-content {
  display: flex;
  gap: 0;
  min-height: 400px;
  max-height: calc(100vh - 320px);
}

.cart-slot-list-container {
  position: relative;
  flex: 1 1 0%;
  min-width: 200px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: rgba(0, 0, 0, 0.2);
  box-shadow: var(--glass-shadow);
}

.cart-resize-handle {
  flex: 0 0 6px;
  cursor: col-resize;
  border-radius: 3px;
  margin: 0 2px;
  transition: background 0.15s;
}

.cart-resize-handle:hover,
.cart-resize-handle.active {
  background: var(--color-border);
}

.cart-slot-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--space-xs);
  overflow-y: auto;
  max-height: calc(100vh - 300px);
}

/* ── Empty state ────────────────────────────────────────────────────────────── */

.cart-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
  color: var(--color-text-muted);
  text-align: center;
  min-height: 200px;
}

.cart-empty-hint {
  font-size: var(--font-size-xs);
  margin-top: var(--space-sm);
  color: var(--color-text-muted);
  opacity: 0.7;
}

/* ── Slot list items ────────────────────────────────────────────────────────── */

.slot-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  cursor: grab;
  min-height: 46px;
  user-select: none;
}

.slot-item * {
  cursor: inherit;
}

.slot-item:active,
.slot-item:active * {
  cursor: grabbing;
}

.slot-item:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
}

.slot-item.cart-slot-selected {
  background: rgba(139, 45, 180, 0.12);
  border-color: rgba(139, 45, 180, 0.35);
  box-shadow: inset 0 0 0 1px rgba(139, 45, 180, 0.15);
}

.slot-item.category {
  border-left: 3px solid var(--color-accent);
  background: rgba(251, 241, 87, 0.03);
  margin-top: var(--space-sm);
}

.slot-item.category:first-child {
  margin-top: 0;
}

.slot-item.category.cart-slot-selected {
  background: rgba(251, 241, 87, 0.08);
  border-color: rgba(251, 241, 87, 0.4);
  border-left-color: var(--color-accent);
}

/* Bootloader image slot — distinct from normal categories */
.slot-item.bootloader-image {
  border-left: 3px solid var(--color-info);
  background: rgba(96, 165, 250, 0.04);
  margin-top: 0;
  cursor: default;
}

.slot-item.bootloader-image.cart-slot-selected {
  background: rgba(96, 165, 250, 0.1);
  border-color: rgba(96, 165, 250, 0.4);
  border-left-color: var(--color-info);
}

.slot-bootloader-label {
  color: var(--color-info) !important;
}

.cart-bootloader-hint {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin: 0 0 var(--space-md);
  line-height: 1.5;
}

.slot-item.dragging {
  opacity: 0.4;
  border-color: var(--color-primary);
}

/* Floating insert-line indicator — absolutely positioned so it never shifts layout */
.slot-item {
  position: relative;
}

.slot-item.drag-above::before,
.slot-item.drag-below::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  box-shadow: 0 0 8px rgba(139, 45, 180, 0.6), 0 0 2px rgba(139, 45, 180, 0.9);
  pointer-events: none;
  z-index: 20;
}

.slot-item.drag-above::before {
  top: -3px;
}

.slot-item.drag-below::after {
  bottom: -3px;
}

.slot-number {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  min-width: 28px;
  text-align: center;
  font-family: var(--font-mono);
  flex-shrink: 0;
}

.slot-thumbnail {
  width: 64px;
  height: 32px;
  border-radius: 3px;
  image-rendering: pixelated;
  background: #000;
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.slot-info {
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

.slot-title {
  font-weight: 600;
  font-size: var(--font-size-sm);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.slot-meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.slot-sizes {
  font-family: var(--font-mono);
  font-size: 10px;
  opacity: 0.6;
}

.slot-category-header {
  font-weight: 700;
  font-size: var(--font-size-base);
  color: var(--color-accent);
}

.slot-badge {
  display: inline-block;
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  flex-shrink: 0;
  margin-left: auto;
}

.slot-badge-fx {
  background: rgba(96, 165, 250, 0.2);
  color: var(--color-info);
  border: 1px solid rgba(96, 165, 250, 0.3);
}

.slot-badge-device-match {
  background: rgba(74, 222, 128, 0.15);
  color: #4ade80;
  border: 1px solid rgba(74, 222, 128, 0.3);
}

.slot-badge-device-mismatch {
  background: rgba(251, 191, 36, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(251, 191, 36, 0.3);
}

.slot-badge-1309 {
  background: rgba(251, 146, 60, 0.2);
  color: #fb923c;
  border: 1px solid rgba(251, 146, 60, 0.3);
}

/* ── Device info in game detail ─────────────────────────────────────────────── */

.cart-device-info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-xs);
  border-radius: 6px;
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-sm);
}

.cart-device-match {
  background: rgba(74, 222, 128, 0.08);
  color: #4ade80;
  border: 1px solid rgba(74, 222, 128, 0.2);
}

.cart-device-mismatch {
  background: rgba(251, 191, 36, 0.08);
  color: #fbbf24;
  border: 1px solid rgba(251, 191, 36, 0.2);
}

.cart-device-icon {
  font-size: 14px;
  flex-shrink: 0;
}

/* ── Binary variant selector ────────────────────────────────────────────────── */

.cart-binary-variants {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) 0;
  margin-bottom: var(--space-xs);
}

.cart-binary-variant-buttons {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.btn-binary-variant {
  font-size: var(--font-size-xs) !important;
  padding: 2px 8px !important;
}

/* ── Search result states ───────────────────────────────────────────────────── */

.cart-search-hidden {
  display: none !important;
}

.cart-search-highlight {
  border-color: rgba(251, 241, 87, 0.3) !important;
}

/* ── Detail panel ───────────────────────────────────────────────────────────── */

.cart-detail-panel {
  position: relative;
  flex: 0 0 380px;
  min-width: 280px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-surface);
  padding: var(--space-lg);
  overflow-y: auto;
  max-height: calc(100vh - 300px);
  box-shadow: var(--glass-shadow);
}

.cart-detail-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 200px;
  color: var(--color-text-muted);
  text-align: center;
}

.cart-detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.cart-detail-header h3 {
  margin: 0;
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.cart-meta-counter {
  font-size: var(--font-size-xs);
  font-family: var(--font-mono);
  color: var(--color-text-muted);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
}

.cart-meta-counter.over-limit {
  color: var(--color-danger);
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.3);
}

/* ── Detail: Image section ──────────────────────────────────────────────────── */

.cart-detail-image-section {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-sm);
  margin: 0 var(--space-md) var(--space-lg) var(--space-md);
}

.cart-detail-canvas {
  width: 100%;
  aspect-ratio: 2 / 1;
  background: #000;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  image-rendering: pixelated;
}

.cart-detail-image-actions {
  display: flex;
  flex-direction: row;
  gap: var(--space-sm);
  justify-content: center;
  align-items: center;
}

.cart-detail-image-sep {
  width: 1px;
  height: 20px;
  background: var(--color-border);
  flex-shrink: 0;
}

/* ── Detail: Fields ─────────────────────────────────────────────────────────── */

.cart-detail-fields {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-sm) var(--space-md);
  align-items: center;
  margin-bottom: var(--space-lg);
}

.cart-field-label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.cart-field-input {
  width: 100%;
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-family: var(--font-family);
  transition: border-color var(--transition-smooth);
}

.cart-field-input:focus {
  outline: none;
  border-color: rgba(139, 45, 180, 0.5);
  box-shadow: 0 0 0 2px rgba(139, 45, 180, 0.08);
}

.cart-field-textarea {
  width: 100%;
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-family: var(--font-family);
  resize: vertical;
  min-height: 90px;
  transition: border-color var(--transition-smooth);
}

.cart-field-textarea:focus {
  outline: none;
  border-color: rgba(139, 45, 180, 0.5);
  box-shadow: 0 0 0 2px rgba(139, 45, 180, 0.08);
}

/* ── Detail: Binary data rows ───────────────────────────────────────────────── */

.cart-detail-binaries {
  padding-top: var(--space-xs);
}

.cart-detail-binaries h4 {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 var(--space-sm) 0;
}

.cart-binary-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) 0;
}

.cart-binary-row-indent {
  padding-left: calc(60px + 70px + var(--space-sm) * 2);
}

.cart-binary-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  min-width: 60px;
}

.cart-binary-size {
  font-size: var(--font-size-xs);
  font-family: var(--font-mono);
  color: var(--color-text-muted);
  min-width: 70px;
  text-align: right;
}

/* ── Footer ─────────────────────────────────────────────────────────────────── */

.cart-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  margin-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* ── Mobile vertical resize handle (hidden by default, shown at <=900px) ──── */

.cart-mobile-resize-handle {
  display: none;
  height: 10px;
  cursor: row-resize;
  align-items: center;
  justify-content: center;
  background: transparent;
  transition: background 0.15s;
  flex-shrink: 0;
}

.cart-mobile-resize-handle::before {
  content: '';
  display: block;
  width: 48px;
  height: 4px;
  border-radius: 2px;
  background: var(--color-border);
  transition: background 0.15s, width 0.15s;
}

.cart-mobile-resize-handle:hover::before,
.cart-mobile-resize-handle.active::before {
  background: var(--color-primary);
  width: 72px;
}

/* ── Responsive ─────────────────────────────────────────────────────────────── */

@media (max-width: 900px) {
  .cart-content {
    flex-direction: column;
    max-height: none;
    overflow: visible;
  }

  .cart-resize-handle {
    display: none;
  }

  .cart-slot-list-container {
    flex: none;
  }

  .cart-detail-panel {
    flex: none;
    max-height: none;
  }

  .cart-slot-list {
    max-height: 50vh;
  }

  /* Vertical resize handle shown in mobile view */
  .cart-mobile-resize-handle {
    display: flex;
  }

  .cart-detail-image-section {
    margin: 0 var(--space-sm) var(--space-lg) var(--space-sm);
  }

  .cart-toolbar-search {
    margin-left: 0;
    width: 100%;
  }

  .cart-search-input {
    width: 100%;
  }
}


/* =============================================================================
   Package Editor
   ============================================================================= */

/* Toolbar */
.pkg-toolbar {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
  align-items: center;
}

.pkg-toolbar #btn-pkg-push-cart {
  margin-left: auto;
}



/* Two-pane layout */
.pkg-content {
  display: flex;
  gap: 0;
  min-height: 0;
}

.pkg-left-pane,
.pkg-right-pane {
  flex: 1 1 0;
  min-width: 0;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  overflow-y: auto;
  max-height: 70vh;
  box-shadow: var(--glass-shadow);
}

.pkg-resize-handle {
  flex: 0 0 6px;
  cursor: col-resize;
  border-radius: 3px;
  margin: 0 2px;
  transition: background 0.15s;
}

.pkg-resize-handle:hover,
.pkg-resize-handle.active {
  background: var(--color-border);
}

.pkg-pane-title {
  margin: 0 0 var(--space-md) 0;
  font-size: var(--font-size-md);
  color: var(--color-text);
}

/* Field groups */
.pkg-field-group {
  margin-bottom: var(--space-sm);
}

.pkg-label {
  display: block;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 2px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pkg-field-input,
.pkg-field-textarea,
.pkg-field-select {
  width: 100%;
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-family: inherit;
  transition: border-color var(--transition-smooth);
  box-sizing: border-box;
}

.pkg-field-select {
  cursor: pointer;
}

.pkg-field-select option {
  background: #1a1a2e;
  color: #fff;
}

.pkg-field-input:focus,
.pkg-field-textarea:focus,
.pkg-field-select:focus {
  border-color: var(--color-primary-light);
  outline: none;
}

.pkg-field-textarea {
  resize: vertical;
}

/* Section headers inside left pane */
.pkg-section {
  margin-top: var(--space-md);
}

.pkg-section-title {
  margin: 0 0 var(--space-xs) 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: 600;
}

/* Contributors */
.pkg-contributors-controls {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-xs);
}

.pkg-contributors-wrap {
  overflow-x: auto;
}

.pkg-contributors-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-xs);
  margin: var(--space-md) 0;
}

.pkg-contributors-table th,
.pkg-contributors-table td {
  padding: 4px 6px;
  text-align: left;
}

.pkg-contributors-table th {
  color: var(--color-text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pkg-contrib-input {
  width: 100%;
  padding: 3px 5px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: var(--font-size-xs);
  font-family: inherit;
  box-sizing: border-box;
}

.pkg-contrib-input:focus {
  border-color: var(--color-primary-light);
  outline: none;
}

.pkg-license-textarea {
  width: 100%;
  padding: var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text);
  font-family: 'Courier New', monospace;
  font-size: var(--font-size-xs);
  resize: vertical;
  box-sizing: border-box;
}

.pkg-license-textarea:focus {
  border-color: var(--color-primary-light);
  outline: none;
}

.pkg-license-help {
  margin-top: var(--space-xs);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.pkg-license-help a {
  color: var(--color-primary-light);
}

/* Binary toolbar */
.pkg-binary-toolbar {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
}

/* Binary list */
.pkg-binary-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: var(--space-md);
  max-height: 160px;
  overflow-y: auto;
}

.pkg-binary-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.pkg-binary-item * {
  cursor: pointer;
}

.pkg-binary-item:hover {
  border-color: var(--color-primary-light);
}

.pkg-binary-item.selected {
  border-color: var(--color-primary);
  background: rgba(139, 45, 180, 0.12);
  box-shadow: inset 0 0 0 1px var(--color-primary);
}

.pkg-binary-name {
  flex: 1;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pkg-binary-device {
  font-size: var(--font-size-xs);
  color: var(--color-primary-light);
  font-weight: 600;
}

.pkg-binary-flags {
  font-size: 10px;
  color: var(--color-text-secondary);
  font-family: monospace;
  white-space: nowrap;
}

/* Binary detail */
.pkg-binary-detail {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-md);
}

.pkg-binary-empty {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-style: italic;
  text-align: center;
  padding: var(--space-lg) 0;
}

.pkg-binary-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.pkg-binary-image-section {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-sm);
}

.pkg-binary-canvas {
  width: 100%;
  aspect-ratio: 2 / 1;
  background: #000;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  image-rendering: pixelated;
}

.pkg-binary-image-actions {
  display: flex;
  flex-direction: row;
  gap: var(--space-sm);
  justify-content: center;
  align-items: center;
}

.pkg-binary-image-sep {
  width: 1px;
  height: 20px;
  background: var(--color-border);
  flex-shrink: 0;
}

.pkg-binary-device-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.pkg-binary-detected-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.pkg-binary-detected-value {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
}

.pkg-patch-cspin-btn {
  margin-left: auto;
}

.pkg-device-mismatch {
  color: #e08700 !important;
  border-color: #e08700 !important;
}

select.pkg-device-mismatch {
  outline: 2px solid #e08700;
  outline-offset: -1px;
}

.pkg-binary-device-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.pkg-binary-device-row .pkg-field-select {
  flex: 1;
  background: var(--color-bg-surface);
  cursor: pointer
}

/* File rows */
.pkg-binary-files {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.pkg-binary-file-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  flex-wrap: wrap;
}

.pkg-binary-file-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  min-width: 70px;
}

.pkg-binary-file-size {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  font-family: monospace;
  min-width: 50px;
}

/* Responsive: stack panes on narrow screens */
@media (max-width: 900px) {
  .pkg-content {
    flex-direction: column;
  }

  .pkg-left-pane,
  .pkg-right-pane {
    flex: 0 0 auto;
    max-height: none;
    overflow-y: visible;
    margin-bottom: var(--space-sm);
  }

  .pkg-resize-handle {
    display: none;
  }

  .pkg-binary-top-row {
    flex-direction: column;
    align-items: stretch;
  }

  .pkg-binary-image-section {
    align-items: stretch;
  }
}


/* =============================================================================
   Image Converter
   ============================================================================= */

/* Generic hide utility */
.hidden { display: none !important; }

/* ── Preview ───────────────────────────────────────────────────────────────── */

.img-preview-section {
  margin-top: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.img-preview-wrap {
  max-width: 100%;
  overflow-x: auto;
  display: flex;
  justify-content: center;
}

.img-preview-canvas {
  max-width: 100%;
  max-height: 256px;
  background: repeating-conic-gradient(#222 0% 25%, #333 0% 50%) 50% / 10px 10px;
  border: 1px solid var(--color-border);
  image-rendering: pixelated;
}

.img-preview-canvas.fill-view {
  width: 100%;
  max-height: none;
}

.img-preview-controls {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: center;
}

.img-dimensions {
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

.img-scale-btns {
  display: flex;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.img-scale-btn {
  display: flex;
  align-items: center;
  cursor: pointer;
  padding: 2px 10px;
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  background: transparent;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  transition: background 0.15s, color 0.15s;
  user-select: none;
  white-space: nowrap;
}

.img-scale-btn:last-child {
  border-right: none;
}

.img-scale-btn input[type="radio"] {
  display: none;
}

.img-scale-btn:has(input:checked) {
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-text);
}

.img-scale-btn:hover:not(:has(input:checked)) {
  background: rgba(255, 255, 255, 0.06);
}

/* ── Frame info row (title + strip scale chooser) ─────────────────────────── */

.img-frame-info-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.img-sprite-settings {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

/* ── Image settings grid (label column + control column) ─────────────────── */

.img-settings-grid {
  display: grid;
  grid-template-columns: max-content auto max-content auto;
  align-items: center;
  column-gap: var(--space-md);
  row-gap: var(--space-sm);
  margin: var(--space-md) 0;
}

.img-settings-label {
  margin: 0;
  white-space: nowrap;
  justify-self: end;
}

.img-settings-control {
  justify-self: start;
}

.img-settings-threshold {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  justify-self: start;
}

.img-settings-full-row {
  grid-column: 1 / -1;
  margin: 0;
}

.img-settings-heading {
  margin: 0 0 var(--space-md) 0;
  padding: 0;
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.img-accordion-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-sm) 0;
  margin: 0;
  border: none;
  background: none;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: color 200ms ease;
}

.img-accordion-toggle:hover {
  color: var(--color-text);
}

.img-accordion-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.2em;
  height: 1.2em;
  transition: transform 200ms ease;
  font-size: 0.75em;
  flex-shrink: 0;
}

.img-accordion-toggle[aria-expanded="true"] .img-accordion-icon {
  transform: rotate(90deg);
}

.img-accordion-content {
  max-height: 100000px;
  overflow: hidden;
  transition: max-height 200ms ease, opacity 200ms ease;
  opacity: 1;
  margin-top: var(--space-sm);
}

.img-accordion-content.collapsed {
  max-height: 0;
  opacity: 0;
  margin-top: 0;
}

.img-num-input {
  width: 72px;
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-family: var(--font-mono);
  text-align: center;
  /* Hide browser spinners */
  -webkit-appearance: textfield;
  -moz-appearance: textfield;
  appearance: textfield;
}

.img-num-input::-webkit-outer-spin-button,
.img-num-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.img-num-input::-moz-number-buttons {
  display: none;
}

.img-num-input:focus {
  outline: none;
  border-color: rgba(139, 45, 180, 0.5);
  box-shadow: 0 0 0 2px rgba(139, 45, 180, 0.08);
}

/* Custom spinner buttons group */
.img-num-input-group {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.img-num-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.img-num-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
}

.img-num-btn:active {
  background: rgba(255, 255, 255, 0.08);
}

.img-frame-info {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-sm);
}

.img-frame-strip {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  overflow-x: auto;
  padding: var(--space-sm) 0;
  margin-top: var(--space-sm);
}

.img-frame-strip canvas {
  border: 1px solid rgba(255, 255, 255, 0.08);
  image-rendering: pixelated;
  background: #000;
  flex-shrink: 0;
}

.img-frame-more {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-style: italic;
  margin-top: var(--space-xs);
}

/* ── Output Settings ───────────────────────────────────────────────────────── */

.img-select {
  flex: 1;
  max-width: 300px;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-family: var(--font-family);
  cursor: pointer;
}

.img-select:focus {
  outline: none;
  border-color: rgba(139, 45, 180, 0.5);
  box-shadow: 0 0 0 3px rgba(139, 45, 180, 0.1);
}

/* Style the dropdown options for better contrast */
.img-select option {
  background: #1a1a2e;
  color: #fff;
}

.img-text-input {
  flex: 1;
  max-width: 200px;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-family: var(--font-mono);
}

.img-text-input:focus {
  outline: none;
  border-color: rgba(139, 45, 180, 0.5);
  box-shadow: 0 0 0 3px rgba(139, 45, 180, 0.1);
}

.img-slider {
  flex: 1;
  max-width: 200px;
  accent-color: var(--color-primary-light);
}

.img-threshold-value {
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  min-width: 30px;
  text-align: right;
}

/* ── Code Output ───────────────────────────────────────────────────────────── */

.img-code-block {
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  background: rgba(10, 10, 20, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  max-height: 400px;
  overflow: auto;
  white-space: pre;
  line-height: 1.4;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  tab-size: 2;
}

/* ── Example Links (clickable // Example: lines) ──────────────────────────── */

.example-link {
  color: #4ec9b0;
  text-decoration: underline;
  text-decoration-style: dotted;
  cursor: pointer;
  border-radius: 2px;
  transition: background 0.15s;
}

.example-link:hover {
  background: rgba(78, 201, 176, 0.15);
  text-decoration-style: solid;
}

.img-output-info {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-lg);
  margin-bottom: var(--space-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.img-info-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.img-info-value {
  font-family: var(--font-mono);
  color: var(--color-text);
  font-weight: 600;
}

/* ── Usage Section ─────────────────────────────────────────────────────────── */

.img-usage-options {
  margin-bottom: var(--space-md);
}

/* ── Format compatibility warning ─────────────────────────────────────────── */

.img-format-warning {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  background: rgba(251, 191, 36, 0.08);
  border: 1px solid rgba(251, 191, 36, 0.25);
  font-size: var(--font-size-sm);
  color: var(--color-warning);
  line-height: 1.5;
}

.img-format-warning-icon {
  font-size: var(--font-size-base);
  flex-shrink: 0;
}


.img-format-switch-link {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-style: dotted;
  cursor: pointer;
  font-weight: 600;
  white-space: nowrap;
}

.img-format-switch-link:hover {
  color: #fff;
  text-decoration-style: solid;
}

/* ── First-frame notice ────────────────────────────────────────────────────── */

.img-first-frame-notice {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  background: rgba(96, 165, 250, 0.08);
  border: 1px solid rgba(96, 165, 250, 0.2);
  font-size: var(--font-size-sm);
  color: var(--color-info);
}
.icon-btn-copy {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  width: 32px;
  height: 32px;
  padding: 0;
  border: none;
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-smooth);
  z-index: 10;
}

.icon-btn-copy:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-text);
  transform: scale(1.1);
}

.icon-btn-copy:active {
  transform: scale(0.95);
}

/* ── Image settings grid responsive: collapse to 2 columns on narrow screens ─ */

@media (max-width: 750px) {
  .img-settings-grid {
    grid-template-columns: max-content auto;
  }
}

/* =============================================================================
   Music Editor
   ============================================================================= */

#panel-music {
  max-width: 1400px;
}

/* ── Toolbar ────────────────────────────────────────────────────────────────── */

.mus-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  margin-bottom: var(--space-md);
}

.mus-toolbar-group {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.mus-toolbar-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.mus-select {
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.3);
  color: var(--color-text);
  font-size: var(--font-size-xs);
  font-family: var(--font-family);
  cursor: pointer;
}

.mus-select option {
  background: #1a1a2e;
  color: #fff;
}

.mus-select:focus {
  border-color: var(--color-primary);
  outline: none;
}

.mus-bpm-input {
  width: 60px;
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.3);
  color: var(--color-text);
  font-size: var(--font-size-xs);
  font-family: var(--font-family);
  text-align: center;
}

/* Hide spinner arrows from number input */
.mus-bpm-input::-webkit-outer-spin-button,
.mus-bpm-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}



.mus-bpm-input:focus {
  border-color: var(--color-primary);
  outline: none;
}

.mus-text-input {
  width: 100%;
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.3);
  color: var(--color-text);
  font-size: var(--font-size-xs);
  font-family: var(--font-family);
}

.mus-text-input:focus {
  border-color: var(--color-primary);
  outline: none;
}

/* ── Editor Layout (sidebar + piano roll) ─────────────────────────────── */

.mus-editor-layout {
  display: flex;
  gap: 0;
  height: 450px;
  margin-bottom: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: rgba(0, 0, 0, 0.15);
  box-shadow: var(--glass-shadow);
}

/* ── Sidebar (voice panel) ────────────────────────────────────────────── */

.mus-sidebar {
  flex: 0 0 200px;
  border-right: 1px solid var(--color-border);
  padding: var(--space-md);
  overflow-y: auto;
  background: var(--color-bg-surface);
}

.mus-sidebar-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 var(--space-sm) 0;
}

.mus-voice-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.mus-voice-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
  font-size: var(--font-size-xs);
}

.mus-voice-item.active {
  border-color: var(--color-primary);
  background: rgba(139, 45, 180, 0.1);
}

.mus-voice-color {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  flex-shrink: 0;
}

.mus-voice-name {
  flex: 1;
  color: var(--color-text);
}

.mus-voice-btn {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: var(--font-size-xs);
  padding: 2px 4px;
  border-radius: 3px;
  line-height: 1;
}

.mus-voice-btn:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.05);
}

.mus-voice-btn.active {
  color: var(--color-accent);
}

/* ── Settings ──────────────────────────────────────────────────────────── */

/* ── Array Name Section ────────────────────────────────────────────────── */

.mus-array-name-section {
  border-top: 1px solid var(--color-border-subtle);
  padding-top: var(--space-md);
  margin-top: var(--space-md);
}

.mus-array-name-section .mus-setting-label {
  display: block;
  margin-bottom: 4px;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ── Loop Section ──────────────────────────────────────────────────────── */

.mus-loop-section {
  margin-top: var(--space-sm);
}

/* ── Settings Accordion ────────────────────────────────────────────────── */

.mus-settings-section {
  border-top: 1px solid var(--color-border-subtle);
  padding-top: var(--space-md);
  margin-top: var(--space-md);
}

.mus-accordion-summary {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 2px 0;
  user-select: none;
}

.mus-accordion-summary::-webkit-details-marker {
  display: none;
}

.mus-accordion-summary::before {
  content: '▶';
  font-size: 8px;
  color: var(--color-text-muted);
  transition: transform 0.15s;
  display: inline-block;
}

details[open] .mus-accordion-summary::before {
  transform: rotate(90deg);
}

.mus-accordion-summary:hover {
  color: var(--color-text-secondary);
}

.mus-settings-content {
  margin-top: var(--space-xs);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

/* ── Controls help ─────────────────────────────────────────────────────── */

.mus-controls-section {
  border-top: 1px solid var(--color-border-subtle);
  padding-top: var(--space-md);
  margin-top: var(--space-md);
}

.mus-controls-summary {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 2px 0;
  user-select: none;
}

.mus-controls-summary::-webkit-details-marker { display: none; }

.mus-controls-summary::before {
  content: '▶';
  font-size: 8px;
  color: var(--color-text-muted);
  transition: transform 0.15s;
  display: inline-block;
}

details[open] .mus-controls-summary::before {
  transform: rotate(90deg);
}

.mus-controls-summary:hover { color: var(--color-text-secondary); }

.mus-controls-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mus-controls-list li {
  display: flex;
  gap: var(--space-xs);
  font-size: 10px;
  line-height: 1.3;
  color: var(--color-text-muted);
}

.mus-controls-list kbd {
  display: inline-block;
  padding: 1px 4px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--color-text-secondary);
  white-space: nowrap;
  flex-shrink: 0;
}

.mus-control-desc {
  color: var(--color-text-muted);
}

.mus-setting-row {
  margin-bottom: var(--space-sm);
}

.mus-setting-label {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
}

.mus-slider-row {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.mus-slider {
  flex: 1;
  accent-color: var(--color-primary);
}

.mus-slider-value {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  min-width: 24px;
  text-align: right;
}

/* ── Piano Roll Container ─────────────────────────────────────────────── */

.mus-pianoroll-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
}

/* ── Transport ─────────────────────────────────────────────────────────── */

.mus-transport {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  border-bottom: 1px solid var(--color-border);
  background: rgba(0, 0, 0, 0.2);
  flex-shrink: 0;
}

.mus-transport-separator {
  width: 1px;
  height: 20px;
  background: var(--color-border);
  margin: 0 var(--space-xs);
}

.mus-transport-spacer {
  flex: 1;
}

.mus-playback-position {
  font-family: 'Courier New', monospace;
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  min-width: 80px;
}

.mus-zoom-slider {
  width: 100px;
  accent-color: var(--color-primary);
}

/* ── Edit mode toggle ───────────────────────────────────────────────────── */

.mus-mode-group {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}

.mus-mode-btn {
  padding: 3px 9px;
  font-size: 11px;
  line-height: 1.5;
  opacity: 0.5;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: opacity 0.15s, background 0.15s, color 0.15s, border-color 0.15s;
  white-space: nowrap;
}

.mus-mode-btn:hover {
  opacity: 0.85;
  border-color: var(--color-border-strong, #555);
}

.mus-mode-btn.active {
  opacity: 1;
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.mus-select-both-label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--color-text-secondary);
  white-space: nowrap;
  cursor: pointer;
  flex-shrink: 0;
}

/* ── Canvas ────────────────────────────────────────────────────────────── */

.mus-pianoroll-canvas {
  flex: 1;
  width: 100%;
  cursor: crosshair;
}

.mus-minimap-canvas {
  width: 100%;
  height: 52px;
  flex-shrink: 0;
  display: block;
  cursor: pointer;
}

.mus-pianoroll-resize-handle {
  height: 10px;
  cursor: row-resize;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 0 var(--space-md) 0;
  background: transparent;
  transition: background 0.15s;
  position: relative;
}

.mus-pianoroll-resize-handle::before {
  content: '';
  display: block;
  width: 48px;
  height: 4px;
  border-radius: 2px;
  background: var(--color-border);
  transition: background 0.15s, width 0.15s;
}

.mus-pianoroll-resize-handle:hover::before,
.mus-pianoroll-resize-handle.active::before {
  background: var(--color-primary);
  width: 72px;
}

/* ── Warnings ──────────────────────────────────────────────────────────── */

.mus-warnings-list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--color-warning);
}

.mus-warnings-list li {
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--color-border-subtle);
}

.mus-warnings-list li:last-child {
  border-bottom: none;
}

/* ── MIDI Import Dialog ────────────────────────────────────────────────── */

.mus-midi-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.mus-midi-dialog {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
}

.mus-midi-dialog h3 {
  margin: 0 0 var(--space-sm) 0;
  font-size: var(--font-size-md);
  color: var(--color-text);
}

.mus-midi-dialog p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-md) 0;
}

.mus-midi-track-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.mus-midi-track-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mus-midi-track-row:hover {
  background: rgba(255, 255, 255, 0.04);
}

.mus-midi-track-row.selected {
  border-color: var(--color-primary);
  background: rgba(139, 45, 180, 0.1);
}

.mus-midi-track-info {
  flex: 1;
}

.mus-midi-track-name {
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.mus-midi-track-meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.mus-midi-dialog .button-row {
  display: flex;
  gap: var(--space-sm);
  justify-content: flex-end;
}

/* ── Responsive ────────────────────────────────────────────────────────── */

@media (max-width: 900px) {
  .mus-editor-layout {
    flex-direction: column;
    max-height: none;
    height: auto;
  }

  .mus-sidebar {
    flex: 0 0 auto;
    border-right: none;
    border-bottom: 1px solid var(--color-border);
  }

  /* Piano roll container gets its own explicit height in mobile so the sidebar
     can expand/collapse freely without overflowing the canvas area */
  .mus-pianoroll-container {
    flex: 0 0 auto;
    height: 400px;
    overflow: hidden;
  }
}