/* DoodleCraft — Editor Styles */

/* Editor Layout */
#page-editor {
  padding-top: var(--nav-height);
  height: 100vh;
  flex-direction: column;
}

.editor-layout {
  display: grid;
  grid-template-columns: var(--toolbar-width) 1fr var(--panel-width);
  grid-template-rows: var(--topbar-height) 1fr;
  grid-template-areas:
    "toolbar topbar panel"
    "toolbar canvas panel";
  height: calc(100vh - var(--nav-height));
  overflow: hidden;
}

/* ── Top Bar ── */
.editor-topbar {
  grid-area: topbar;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-md);
  background: var(--bg-toolbar);
  border-bottom: 1px solid var(--border-light);
  gap: var(--space-sm);
  z-index: 10;
}

.topbar-left, .topbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.topbar-center {
  flex: 1;
  max-width: 300px;
  margin: 0 auto;
}

#doodle-title {
  text-align: center;
  border: none;
  background: transparent;
  font-family: var(--font-handwritten);
  font-size: 1.2rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: var(--radius-md);
}
#doodle-title:focus {
  background: var(--bg-secondary);
  box-shadow: none;
}

.topbar-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.topbar-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}
.topbar-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.topbar-btn svg { width: 16px; height: 16px; }

.topbar-btn.btn-save {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  border-color: transparent;
}
.topbar-btn.btn-save:hover {
  opacity: 0.9;
  transform: scale(1.03);
}

/* ── Toolbar (Left Sidebar) ── */
.editor-toolbar {
  grid-area: toolbar;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-sm) var(--space-xs);
  gap: var(--space-2xs);
  background: var(--bg-toolbar);
  border-right: 1px solid var(--border-light);
  overflow-y: auto;
  z-index: 10;
}

.tool-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  flex-shrink: 0;
}
.tool-btn svg {
  width: 20px;
  height: 20px;
  stroke-width: 2;
  fill: none;
  stroke: currentColor;
}
.tool-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  transform: scale(1.08);
}
.tool-btn.active {
  background: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 2px 8px rgba(255,107,157,0.2);
}

.tool-separator {
  width: 32px;
  height: 1px;
  background: var(--border);
  margin: var(--space-xs) 0;
  flex-shrink: 0;
}

/* ── Canvas Container ── */
.editor-canvas-container {
  grid-area: canvas;
  position: relative;
  background: var(--bg-secondary);
  overflow: hidden;
  cursor: crosshair;
  display: flex;
  align-items: center;
  justify-content: center;
}

.canvas-wrapper {
  position: relative;
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.canvas-wrapper canvas {
  position: absolute;
  top: 0;
  left: 0;
}

#bg-canvas { z-index: 1; }
#draw-canvas { z-index: 2; }
#preview-canvas { z-index: 3; }

/* Canvas background patterns */
.canvas-bg-grid {
  background-image:
    linear-gradient(rgba(0,0,0,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.05) 1px, transparent 1px);
  background-size: 20px 20px;
}
.canvas-bg-dots {
  background-image: radial-gradient(circle, rgba(0,0,0,0.08) 1px, transparent 1px);
  background-size: 20px 20px;
}
.canvas-bg-lines {
  background-image: linear-gradient(rgba(0,0,0,0.04) 1px, transparent 1px);
  background-size: 100% 24px;
}

/* ── Customization Panel (Right Sidebar) ── */
.editor-panel {
  grid-area: panel;
  background: var(--bg-toolbar);
  border-left: 1px solid var(--border-light);
  overflow-y: auto;
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  z-index: 10;
}

.panel-section {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.panel-section-title {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-sm);
}

/* Color Palette */
.color-palette {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 6px;
}

.color-swatch {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}
.color-swatch:hover { transform: scale(1.15); }
.color-swatch.active {
  border-color: var(--text-primary);
  transform: scale(1.1);
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.color-swatch.active::after {
  content: '✓';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  color: white;
  text-shadow: 0 1px 2px rgba(0,0,0,0.5);
}

.color-custom {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}
.color-custom input[type="color"] {
  width: 36px;
  height: 36px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 2px;
  background: var(--bg-card);
}

/* Slider group */
.slider-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.slider-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
}
.slider-value {
  color: var(--primary);
  font-family: var(--font-body);
  min-width: 30px;
  text-align: right;
}

/* Stroke preview */
.stroke-preview {
  height: 40px;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: var(--space-sm);
  overflow: hidden;
}
.stroke-preview-line {
  border-radius: var(--radius-full);
  background: var(--text-primary);
  transition: all var(--transition-fast);
}

/* Pattern buttons */
.pattern-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}
.pattern-btn {
  aspect-ratio: 1;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}
.pattern-btn:hover { border-color: var(--primary); }
.pattern-btn.active {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary);
}

/* Background style buttons */
.bg-style-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}
.bg-style-btn {
  aspect-ratio: 1;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: white;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}
.bg-style-btn:hover { border-color: var(--primary); }
.bg-style-btn.active {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary-light);
}

/* Sticker grid */
.sticker-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
}
.sticker-btn {
  aspect-ratio: 1;
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  cursor: pointer;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}
.sticker-btn:hover {
  transform: scale(1.15);
  border-color: var(--primary);
  background: var(--primary-light);
}

/* ── Panel toggle (mobile) ── */
.panel-toggle {
  display: none;
  position: fixed;
  bottom: 80px;
  right: var(--space-md);
  z-index: 100;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .editor-layout {
    grid-template-columns: var(--toolbar-width) 1fr;
    grid-template-areas:
      "toolbar topbar"
      "toolbar canvas";
  }
  .editor-panel {
    position: fixed;
    top: calc(var(--nav-height) + var(--topbar-height));
    right: 0;
    bottom: 0;
    width: var(--panel-width);
    transform: translateX(100%);
    transition: transform var(--transition);
    box-shadow: var(--shadow-xl);
    z-index: 50;
  }
  .editor-panel.open { transform: translateX(0); }
  .panel-toggle { display: block; }
}

@media (max-width: 600px) {
  .editor-layout {
    grid-template-columns: 1fr;
    grid-template-rows: var(--topbar-height) 1fr 56px;
    grid-template-areas:
      "topbar"
      "canvas"
      "toolbar";
  }
  .editor-toolbar {
    flex-direction: row;
    border-right: none;
    border-top: 1px solid var(--border-light);
    overflow-x: auto;
    padding: var(--space-xs) var(--space-sm);
  }
  .tool-separator {
    width: 1px;
    height: 32px;
    margin: 0 var(--space-xs);
  }
  .topbar-center { display: none; }
}