/* =============================================
   PixelStrip — Styles
   Industrial Yellow Dark Theme
   ============================================= */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --yellow:       #FFDD00;
  --yellow-dim:   #CCA800;
  --yellow-glow:  rgba(255, 221, 0, 0.18);
  --bg:           #111111;
  --surface:      #1A1A1A;
  --surface2:     #222222;
  --surface3:     #2C2C2C;
  --border:       #333333;
  --border-light: #3E3E3E;
  --text:         #F0F0F0;
  --text-dim:     #888888;
  --text-muted:   #555555;
  --accent-red:   #FF4444;
  --radius:       4px;
  --radius-lg:    8px;
  --font-display: 'Syne', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;
}

html, body {
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 12px;
}

/* ── Header ─────────────────────────────────── */
.app-header {
  height: 48px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  position: relative;
  z-index: 100;
  flex-shrink: 0;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  gap: 8px;
}

.app-header::-webkit-scrollbar {
  display: none;
}

.logo {
  display: flex;
  align-items: center;
  user-select: none;
  flex-shrink: 0;
}

.logo-mark {
  font-size: 20px;
  color: var(--yellow);
}

.logo-text {
  /* font-family: var(--font-display); */
  font-weight: 800;
  font-size: 18px;
  /* letter-spacing: -0.5px; */
  color: var(--text);
}

.logo-text::after {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--yellow);
  border-radius: 50%;
  margin-left: 4px;
  margin-bottom: 3px;
  vertical-align: bottom;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.export-group {
  display: flex;
  gap: 4px;
  border-left: 1px solid var(--border);
  padding-left: 8px;
  margin-left: 4px;
}

/* ── App Body ────────────────────────────────── */
.app-body {
  display: grid;
  grid-template-columns: var(--left-w, 100px) 4px 1fr 4px var(--right-w, 220px);
  height: calc(100vh - 48px);
  overflow: hidden;
}

/* ── Sidebar Tools (Left) ────────────────────── */
.sidebar-tools {
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 8px 6px;
  gap: 2px;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: none;
  min-width: 44px;
  max-width: 320px;
}
.sidebar-tools::-webkit-scrollbar { display: none; }

.section-label {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  padding: 6px 2px 4px;
  display: block;
}

.tool-section {
  margin-bottom: 4px;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(32px, 40px));
  gap: 3px;
  justify-content: center;
}

.tool-btn {
  width: 100%;
  max-width: 40px;
  aspect-ratio: 1;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-dim);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.12s;
  padding: 6px;
}

.tool-btn svg {
  width: 15px;
  height: 15px;
}

.tool-btn:hover {
  background: var(--surface3);
  color: var(--text);
  border-color: var(--border-light);
}

.tool-btn.active {
  background: var(--yellow);
  border-color: var(--yellow);
  color: #000;
}

/* Color swatches */
.color-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.color-preview-wrap {
  position: relative;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.color-swatch {
  width: 20px;
  height: 20px;
  border-radius: 3px;
  border: 2px solid var(--border-light);
  cursor: pointer;
  position: absolute;
  background: #FFDD00;
  transition: border-color 0.1s;
}

.color-swatch:hover { border-color: var(--yellow); }

.color-swatch.secondary {
  background: #ffffff;
  top: 8px;
  left: 8px;
  z-index: 0;
}

.color-swatch:not(.secondary) {
  top: 0;
  left: 0;
  z-index: 1;
}

#color-fg {
  width: 28px;
  height: 28px;
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;
  border-radius: var(--radius);
  overflow: hidden;
}

/* Sliders */
.slider-wrap {
  /* display: flex; */
  align-items: center;
  gap: 6px;
}

.slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 3px;
  background: var(--surface3);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
  max-width: stretch;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  background: var(--yellow);
  border-radius: 50%;
  cursor: pointer;
}

.slider-val {
  font-size: 10px;
  color: var(--text-dim);
  min-width: 28px;
  text-align: right;
}

.toggle-row {
  display: flex;
  align-items: center;
}

.toggle-label {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  color: var(--text-dim);
  font-size: 11px;
}

.toggle-label input[type="checkbox"] {
  accent-color: var(--yellow);
  width: 12px;
  height: 12px;
}

.history-btns {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

/* ── Canvas Area ─────────────────────────────── */
.canvas-area {
  background: #0D0D0D;
  overflow: auto;
  position: relative;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 32px 32px;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

/* Give canvas room to scroll into when zoomed in */
.canvas-drop-zone {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  position: relative;
}

.canvas-drop-zone.drag-over::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 2px dashed var(--yellow);
  background: var(--yellow-glow);
  pointer-events: none;
  border-radius: var(--radius);
}

.drop-hint {
  text-align: center;
  user-select: none;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.drop-icon {
  font-size: 64px;
  color: var(--yellow);
  line-height: 1;
  margin-bottom: 20px;
  opacity: 0.6;
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 0.9; transform: scale(1.05); }
}

.drop-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  color: var(--text);
  margin-bottom: 8px;
}

.drop-sub {
  color: var(--text-dim);
  font-size: 13px;
  margin-bottom: 12px;
}

.drop-sub strong {
  color: var(--yellow);
}

.drop-formats {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.15em;
}

/* Canvas wrapper */
.canvas-wrapper {
  position: relative;
  cursor: none;
  transform-origin: top left;
}

#main-canvas,
#overlay-canvas {
  position: absolute;
  top: 0;
  left: 0;
  display: block;
}

#overlay-canvas {
  pointer-events: none;
}

/* checkerboard bg for transparent images */
#main-canvas {
  background-image:
    linear-gradient(45deg, #2a2a2a 25%, transparent 25%),
    linear-gradient(-45deg, #2a2a2a 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #2a2a2a 75%),
    linear-gradient(-45deg, transparent 75%, #2a2a2a 75%);
  background-size: 12px 12px;
  background-position: 0 0, 0 6px, 6px -6px, -6px 0px;
  background-color: #1e1e1e;
  box-shadow: 0 0 0 1px var(--border), 0 8px 40px rgba(0,0,0,0.6);
}


/* ── Right Sidebar (Ops) ─────────────────────── */
.sidebar-ops {
  background: var(--surface);
  border-left: 1px solid var(--border);
  overflow-y: auto;
  padding: 12px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
  min-width: 44px;
  max-width: 420px;
}

.ops-section {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ops-section:last-child { border-bottom: none; }

.ops-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 6px;
}

.ops-title svg {
  color: var(--yellow);
  flex-shrink: 0;
}

/* Resize inputs */
.resize-inputs {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-direction: row;
  align-content: center;
  flex-wrap: wrap;
  justify-content: center;
}

.input-group {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}

.input-group label {
  font-size: 10px;
  color: var(--text-muted);
  font-weight: 600;
}

.input-group input[type="number"] {
  flex: 1;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 5px 6px;
  outline: none;
  min-width: 0;
  transition: border-color 0.1s;
}

.input-group input[type="number"]:focus {
  border-color: var(--yellow);
}

.unit-label {
  font-size: 10px;
  color: var(--text-muted);
}

.lock-btn {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-dim);
  cursor: pointer;
  padding: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.1s;
  flex-shrink: 0;
}

.lock-btn:hover, .lock-btn.locked {
  background: var(--yellow);
  border-color: var(--yellow);
  color: #000;
}

/* Export section */
.export-options .input-group {
  display: grid;
  /* grid-template-columns: 50px 1fr 32px; */
  align-items: center;
  gap: 6px;
}

.export-options .input-group label {
  font-size: 11px;
}

.export-btns {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.btn-export {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px !important;
  font-size: 11px !important;
}

.fmt-badge {
  background: var(--surface3);
  border: 1px solid var(--border-light);
  border-radius: 3px;
  padding: 1px 5px;
  font-size: 10px;
  font-weight: 600;
  color: var(--yellow);
  letter-spacing: 0.05em;
  font-family: var(--font-mono);
}

/* Info grid */
.info-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 10px;
  align-items: center;
}

.info-label {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.info-val {
  font-size: 11px;
  color: var(--yellow);
  font-weight: 500;
}

.zoom-controls {
  display: flex;
  gap: 4px;
}

/* Transform buttons */
.transform-btns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}

/* Model status */
.model-status {
  font-size: 10px;
  color: var(--text-muted);
  font-style: italic;
}

.model-status.ready { color: #44CC88; }
.model-status.loading { color: var(--yellow); }
.model-status.error { color: var(--accent-red); }

.progress-bar-wrap {
  height: 3px;
  background: var(--surface3);
  border-radius: 2px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--yellow);
  border-radius: 2px;
  width: 0%;
  transition: width 0.2s;
}

/* ── Buttons ─────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.12s;
  white-space: nowrap;
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--yellow);
  color: #000;
  border-color: var(--yellow);
  font-weight: 600;
}
.btn-primary:hover:not(:disabled) {
  background: #FFE84D;
  box-shadow: 0 0 0 3px var(--yellow-glow);
}

.btn-secondary {
  background: var(--surface2);
  color: var(--text);
  border-color: var(--border-light);
}
.btn-secondary:hover:not(:disabled) {
  background: var(--surface3);
  border-color: var(--yellow);
  color: var(--yellow);
}

.btn-accent {
  background: transparent;
  color: var(--yellow);
  border-color: var(--yellow);
  width: 100%;
  justify-content: center;
  font-weight: 600;
}
.btn-accent:hover:not(:disabled) {
  background: var(--yellow-glow);
  box-shadow: 0 0 12px var(--yellow-glow);
}
.btn-accent.loading {
  opacity: 0.7;
  cursor: wait;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

.btn-ghost {
  background: transparent;
  color: var(--text-dim);
  border-color: var(--border);
}
.btn-ghost:hover:not(:disabled) {
  background: var(--surface2);
  color: var(--text);
  border-color: var(--border-light);
}

.btn-ghost.sm {
  padding: 4px 8px;
  font-size: 10px;
  flex: 1;
  justify-content: center;
}

.btn-tool-action {
  background: var(--surface2);
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 5px 0;
  font-size: 10px;
  font-family: var(--font-mono);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 100%;
  transition: all 0.1s;
}
.btn-tool-action:hover:not(:disabled) {
  background: var(--surface3);
  color: var(--text);
}
.btn-tool-action:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* ── Toast ───────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--surface3);
  border: 1px solid var(--border-light);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 9px 18px;
  border-radius: 20px;
  opacity: 0;
  transition: all 0.2s;
  pointer-events: none;
  white-space: nowrap;
  z-index: 9999;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast.success { border-color: #44CC88; color: #44CC88; }
.toast.error   { border-color: var(--accent-red); color: var(--accent-red); }
.toast.info    { border-color: var(--yellow); color: var(--yellow); }

/* ── Floating Text Options ───────────────────── */
.floating-text-opts {
  position: fixed;
  top: 56px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 10px;
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 8px;
}

.floating-text-opts select {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 6px;
  border-radius: var(--radius);
  cursor: pointer;
  outline: none;
}

/* ── Scrollbar ───────────────────────────────── */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

/* ── Cursor overrides per tool ───────────────── */
/* fill / eyedropper / text get native cursors, hide custom circle */
.canvas-wrapper[data-tool="fill"]       { cursor: crosshair; }
.canvas-wrapper[data-tool="eyedropper"] { cursor: copy; }
.canvas-wrapper[data-tool="text"]       { cursor: text; }

.canvas-wrapper[data-tool="fill"] #cursor-circle,
.canvas-wrapper[data-tool="eyedropper"] #cursor-circle,
.canvas-wrapper[data-tool="text"] #cursor-circle,
.canvas-wrapper[data-tool="rect"] #cursor-circle,
.canvas-wrapper[data-tool="ellipse"] #cursor-circle,
.canvas-wrapper[data-tool="line"] #cursor-circle {
  display: none;
}

/* ── Responsive hide for small screens ───────── */
@media (max-width: 700px) {
  .sidebar-ops { display: none; }
  .app-body { grid-template-columns: 56px 1fr; }
}





/* ── Resize Handles ──────────────────────────── */
.resize-handle {
  width: 4px;
  background: var(--border);
  cursor: col-resize;
  position: relative;
  z-index: 10;
  transition: background 0.15s;
  flex-shrink: 0;
  display: none;
}

.resize-handle:hover,
.resize-handle.dragging {
  background: var(--yellow);
  box-shadow: 0 0 8px var(--yellow-glow);
}

.resize-handle::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 12px;
  height: 32px;
  border-left: 1px solid var(--border-light);
  border-right: 1px solid var(--border-light);
}

/* ── Mobile bottom sheet ─────────────────────── */
.mobile-tab-bar {
  display: none;
}

@media (min-width: 901px) {
  .resize-handle {
    display: block;
  }
}

@media (max-width: 900px) {
  .app-body {
    grid-template-columns: 1fr;
  }

  .sidebar-tools {
    display: none;
  }

  .sidebar-ops {
    display: none;
  }

  .resize-handle {
    display: none;
  }

  .mobile-tab-bar {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 300;
    flex-direction: column;
    background: var(--surface);
    border-top: 1px solid var(--border);
    transition: height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    height: 48px;
    overflow: hidden;
  }

  .mobile-tab-bar.open {
    height: 340px;
  }

  .mobile-sheet-handle {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 28px;
    cursor: pointer;
    flex-shrink: 0;
  }

  .mobile-sheet-pill {
    width: 36px;
    height: 4px;
    background: var(--border-light);
    border-radius: 2px;
    transition: background 0.15s;
  }

  .mobile-sheet-handle:hover .mobile-sheet-pill {
    background: var(--yellow);
  }

  .mobile-tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .mobile-tabs::-webkit-scrollbar { display: none; }

  .mobile-tab-btn {
    flex-shrink: 0;
    padding: 6px 16px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-dim);
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    letter-spacing: 0.05em;
    transition: all 0.1s;
  }

  .mobile-tab-btn.active {
    color: var(--yellow);
    border-bottom-color: var(--yellow);
  }

  .mobile-sheet-content {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
  }

  .canvas-area {
    margin-bottom: 48px;
    transition: margin-bottom 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .canvas-area.sheet-open {
    margin-bottom: 340px;
  }

  .mobile-toolbar {
    display: flex !important;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 48px;
    height: 52px;
    background: var(--surface);
    border-top: 1px solid var(--border);
    z-index: 200;
    overflow-x: auto;
    scrollbar-width: none;
    align-items: center;
    padding: 0 8px;
    gap: 6px;
  }

  .mobile-toolbar::-webkit-scrollbar { display: none; }

  .mobile-toolbar .tool-btn {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    max-width: 40px;
  }

  .mobile-toolbar .mobile-divider {
    width: 1px;
    height: 28px;
    background: var(--border);
    flex-shrink: 0;
  }

  .mobile-toolbar .mobile-color-dot {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 2px solid var(--border-light);
    cursor: pointer;
  }

  .mobile-toolbar .mobile-size-btn {
    flex-shrink: 0;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-dim);
    font-family: var(--font-mono);
    font-size: 10px;
    padding: 0 8px;
    height: 40px;
    cursor: pointer;
    white-space: nowrap;
  }

  .mobile-toolbar .mobile-size-btn.active,
  .mobile-toolbar .mobile-color-dot:hover,
  .mobile-toolbar .mobile-size-btn:hover {
    border-color: var(--yellow);
    color: var(--yellow);
  }

  .canvas-area {
    margin-bottom: 100px;
    transition: margin-bottom 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .canvas-area.sheet-open {
    margin-bottom: 392px;
  }

  .app-header {
    padding: 0 10px;
  }
}

@media (max-width: 600px) {
  .app-body {
    grid-template-columns: 1fr !important;
  }

  .sidebar-tools {
    display: none !important;
  }

  .app-header {
    padding: 0 10px;
  }

  .mobile-toolbar {
    display: flex !important;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 48px;
    height: 52px;
    background: var(--surface);
    border-top: 1px solid var(--border);
    z-index: 200;
    overflow-x: auto;
    scrollbar-width: none;
    align-items: center;
    padding: 0 8px;
    gap: 6px;
  }

  .mobile-toolbar .tool-btn {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    max-width: 40px;
  }

  /* Divider between tool groups in mobile toolbar */
  .mobile-toolbar .mobile-divider {
    width: 1px;
    height: 28px;
    background: var(--border);
    flex-shrink: 0;
  }

  /* Color swatch in mobile toolbar */
  .mobile-toolbar .mobile-color-dot {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 2px solid var(--border-light);
    cursor: pointer;
  }

  /* Size indicator in mobile toolbar */
  .mobile-toolbar .mobile-size-btn {
    flex-shrink: 0;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-dim);
    font-family: var(--font-mono);
    font-size: 10px;
    padding: 0 8px;
    height: 40px;
    cursor: pointer;
    white-space: nowrap;
  }

  .mobile-toolbar .mobile-size-btn.active,
  .mobile-toolbar .mobile-color-dot:hover,
  .mobile-toolbar .mobile-size-btn:hover {
    border-color: var(--yellow);
    color: var(--yellow);
  }

  .mobile-toolbar::-webkit-scrollbar { display: none; }

  .canvas-area {
    margin-bottom: 100px !important;
  }

  .canvas-area.sheet-open {
    margin-bottom: 392px !important;
  }
}

/* touch-action for drawing on mobile */
#canvas-wrapper {
  touch-action: none;
}

/* ── New Image Form ──────────────────────────── */
.new-image-form {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: center;
}

.new-image-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.new-image-x {
  font-size: 14px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.new-image-label {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  min-width: 70px;
}

.new-image-form .input-group input[type="number"] {
  width: 72px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 7px 8px;
  outline: none;
  transition: border-color 0.1s;
  text-align: center;
}

.new-image-form .input-group input[type="number"]:focus {
  border-color: var(--yellow);
}

.new-image-bg-opts {
  display: flex;
  gap: 6px;
}

.bg-opt {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 5px 10px;
  cursor: pointer;
  transition: all 0.12s;
}

.bg-opt:hover {
  border-color: var(--border-light);
  color: var(--text);
}

.bg-opt.active {
  border-color: var(--yellow);
  color: var(--yellow);
}

.bg-swatch {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  flex-shrink: 0;
  display: inline-block;
}

.bg-swatch.checker {
  background-image:
    linear-gradient(45deg, #555 25%, transparent 25%),
    linear-gradient(-45deg, #555 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #555 75%),
    linear-gradient(-45deg, transparent 75%, #555 75%);
  background-size: 6px 6px;
  background-position: 0 0, 0 3px, 3px -3px, -3px 0;
  background-color: #333;
}

.new-image-btn {
  width: 100%;
  max-width: 200px;
  justify-content: center;
  font-size: 13px !important;
  padding: 10px 20px !important;
}

/* ── Custom brush cursor ─────────────────────── */
#cursor-circle {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 9999;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.6);
  transform: translate(-50%, -50%);
  transition: width 0.08s, height 0.08s, opacity 0.1s;
  opacity: 0;
  will-change: transform;
}

#cursor-circle.visible {
  opacity: 1;
}

#cursor-circle.eraser-mode {
  border-color: rgba(255, 100, 100, 0.9);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.6);
  background: rgba(255, 100, 100, 0.08);
}


/* ── Fill tolerance ──────────────────────────── */
.tolerance-wrap {
  padding-top: 4px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-top: 1px dashed var(--border);
  margin-top: 4px;
  animation: fadeIn 0.15s ease;
}



canvas {
  /* Use "pixelated" for best results in Chrome/Safari */
  image-rendering: -moz-crisp-edges;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  -ms-interpolation-mode: nearest-neighbor; /* IE */
}



/* ── Zoom tool cursor ────────────────────────── */
.canvas-wrapper[data-tool="zoom"] {
  cursor: none;
}

/* Zoom hint pill */
.zoom-hint {
  position: fixed;
  bottom: 70px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 4px 10px;
  border-radius: 20px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
  z-index: 500;
  white-space: nowrap;
}

.zoom-hint.visible {
  opacity: 1;
}


/* ── Crop tool ───────────────────────────────── */
.crop-size-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  padding: 0 4px;
}

.crop-ratio-select {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 6px;
  cursor: pointer;
  outline: none;
  transition: border-color 0.1s;
}

.crop-ratio-select:focus {
  border-color: var(--yellow);
}

.canvas-wrapper[data-tool="crop"] {
  cursor: default;
}