.canvas-app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background: var(--bg-primary);
  color: var(--text-primary);
}

.canvas-toolbar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--glass-border);
  flex-wrap: wrap;
  overflow-x: auto;
}

.canvas-tool-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.canvas-separator {
  width: 1px;
  height: 24px;
  background: var(--glass-border);
  margin: 0 0.5rem;
  flex-shrink: 0;
}

.canvas-zoom-label {
  min-width: 50px;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-primary);
}

.canvas-btn {
  padding: 0.5rem 0.75rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--glass-border);
  border-radius: 6px;
  color: var(--text-primary);
  cursor: pointer;
  font-size: 0.875rem;
  transition: all 0.2s;
  white-space: nowrap;
}

.canvas-btn:hover:not(:disabled) {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.canvas-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.canvas-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.canvas-btn.canvas-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.canvas-btn.canvas-primary:hover {
  background: #4f46e5;
}

.canvas-export-group {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.canvas-export-select {
  padding: 0.5rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--glass-border);
  border-radius: 6px;
  color: var(--text-primary);
  cursor: pointer;
  font-size: 0.875rem;
}

.canvas-adjustment {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.canvas-adjustment label {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.canvas-slider {
  width: 100px;
  cursor: pointer;
}

.canvas-workspace {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.canvas-editor-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  overflow: auto;
  background: var(--bg-primary);
}

.canvas-canvas-container {
  position: relative;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.canvas-editor {
  display: block;
  background: white;
  max-width: none;
  max-height: none;
}

.canvas-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: var(--bg-secondary);
  border: 2px dashed var(--glass-border);
  border-radius: 8px;
  color: var(--text-secondary);
  min-width: 400px;
  min-height: 300px;
}

.canvas-placeholder svg {
  opacity: 0.5;
}

.canvas-placeholder.hidden {
  display: none;
}

.canvas-sidebar {
  width: 280px;
  background: var(--bg-secondary);
  border-left: 1px solid var(--glass-border);
  overflow-y: auto;
  flex-shrink: 0;
}

.canvas-sidebar-section {
  padding: 1rem;
  border-bottom: 1px solid var(--glass-border);
}

.canvas-sidebar-section h3 {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.canvas-info {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.canvas-info-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
}

.canvas-info-label {
  color: var(--text-secondary);
}

.canvas-info-value {
  color: var(--text-primary);
  font-weight: 500;
}

.canvas-filters-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}

.canvas-filter-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--glass-border);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}

.canvas-filter-btn:hover {
  border-color: var(--accent);
}

.canvas-filter-btn.active {
  border-color: var(--accent);
  background: var(--accent);
  color: white;
}

.canvas-filter-preview {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 4px;
}

.canvas-filter-grayscale {
  filter: grayscale(100%);
}

.canvas-filter-sepia {
  filter: sepia(100%);
}

.canvas-filter-vintage {
  filter: sepia(50%) contrast(90%) brightness(90%);
}

.canvas-filter-dramatic {
  filter: contrast(150%) brightness(110%) saturate(120%);
}

.canvas-filter-pixelate {
  image-rendering: pixelated;
}

.canvas-filter-blur {
  filter: blur(2px);
}

.canvas-filter-sharpen {
  filter: contrast(1.2);
}

.canvas-filter-invert {
  filter: invert(1);
}

.canvas-filter-emboss {
  filter: contrast(1.5) brightness(0.9);
}

.canvas-filter-edge {
  filter: contrast(2) grayscale(1);
}

.canvas-filter-warm {
  filter: sepia(0.3) saturate(1.2);
}

.canvas-filter-cool {
  filter: saturate(1.3) hue-rotate(180deg);
}

.canvas-filter-vignette {
  filter: brightness(0.9);
  position: relative;
}

.canvas-filter-vignette::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle, transparent 30%, rgba(0,0,0,0.5) 100%);
}

.canvas-file-input {
  display: none;
}

.canvas-effect-params {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.canvas-effect-param {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.canvas-effect-param label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.canvas-param-value {
  font-size: 0.875rem;
  color: var(--text-primary);
  font-weight: 500;
  text-align: right;
}

@media (max-width: 1024px) {
  .canvas-workspace {
    flex-direction: column;
  }

  .canvas-sidebar {
    width: 100%;
    border-left: none;
    border-top: 1px solid var(--glass-border);
    max-height: 200px;
  }

  .canvas-filters-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

@media (max-width: 768px) {
  .canvas-toolbar {
    padding: 0.5rem;
  }

  .canvas-btn {
    padding: 0.375rem 0.5rem;
    font-size: 0.8rem;
  }

  .canvas-slider {
    width: 60px;
  }

  .canvas-editor-wrapper {
    padding: 1rem;
  }

  .canvas-placeholder {
    min-width: 280px;
    min-height: 200px;
  }
}