/**
 * PicDriver Halftone Image Generator - Stylesheet
 */

.halftone-stage {
  position: relative;
  min-height: 480px;
  background: radial-gradient(circle at center, rgba(30, 41, 59, 0.75) 0%, rgba(15, 23, 42, 0.98) 100%);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 24px;
  user-select: none;
}

#halftone-canvas {
  display: block;
  max-width: 100%;
  max-height: 520px;
  border-radius: 4px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), 0 0 30px rgba(99, 102, 241, 0.12);
  background-color: #ffffff;
}

/* Dot Shape Options Grid */
.dot-shape-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 10px;
}

.dot-shape-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 10px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
}

.dot-shape-btn svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
}

.dot-shape-btn:hover, .dot-shape-btn.active {
  border-color: var(--brand-primary);
  background: rgba(99, 102, 241, 0.18);
  color: #fff;
}

.control-section {
  margin-bottom: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.control-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.control-title {
  font-size: 0.84rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.slider-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 10px;
}

.slider-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.color-pickers-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 12px;
}

.color-picker-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.color-input-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  background: none;
  outline: none;
}

.text-input-field {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  width: 100%;
}

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

.svg-export-badge {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #34d399;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  display: inline-block;
  margin-left: 6px;
}