/* favicon-gen 전용 스타일 */

/* 이미지 미리보기 */
.preview-section {
  margin-top: 1.5rem;
  text-align: center;
}

.preview-section[hidden] {
  display: none;
}

.preview-image {
  max-width: 200px;
  max-height: 200px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  object-fit: contain;
  background: var(--surface);
}

.preview-info {
  font-size: 0.85rem;
  color: var(--text-sub);
  margin-top: 0.5rem;
}

/* 크기 선택 체크박스 그리드 */
.size-section {
  margin-top: 1.5rem;
}

.size-section[hidden] {
  display: none;
}

.size-section h2 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.select-all-wrap {
  margin-bottom: 0.75rem;
}

.select-all-wrap label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-sub);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.size-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}

.size-grid label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  color: var(--text);
}

.size-grid label:hover {
  border-color: var(--primary);
}

.size-grid label.checked {
  border-color: var(--primary);
  background: rgba(102, 126, 234, 0.08);
}

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

.size-desc {
  font-size: 0.7rem;
  color: var(--text-sub);
  font-weight: 400;
  margin-left: auto;
}

/* 생성 버튼 */
.generate-section {
  margin-top: 1.5rem;
  text-align: center;
}

.generate-section[hidden] {
  display: none;
}

.btn-generate {
  padding: 0.7rem 2rem;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-generate:hover {
  background: var(--primary-hover);
}

/* 결과 미리보기 그리드 */
.output-section {
  margin-top: 2rem;
}

.output-section[hidden] {
  display: none;
}

.output-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.output-header h2 {
  font-size: 1.25rem;
}

.output-actions {
  display: flex;
  gap: 0.5rem;
}

.btn-ico,
.btn-reset {
  padding: 0.45rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  background: var(--surface);
  color: var(--text-sub);
}

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

.btn-ico:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
}

.btn-reset:hover {
  border-color: var(--error);
  color: var(--error);
}

.output-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem;
}

.output-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.output-item .favicon-preview {
  image-rendering: pixelated;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: repeating-conic-gradient(#f0f0f0 0% 25%, #ffffff 0% 50%) 50% / 12px 12px;
}

@media (prefers-color-scheme: dark) {
  .output-item .favicon-preview {
    background: repeating-conic-gradient(#2a2a3e 0% 25%, #1a1a2e 0% 50%) 50% / 12px 12px;
  }
}

.output-item .size-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.output-item .file-size {
  font-size: 0.75rem;
  color: var(--text-sub);
}

.output-item .btn-download {
  padding: 0.35rem 0.75rem;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s;
}

.output-item .btn-download:hover {
  background: var(--primary-hover);
}

/* 반응형 */
@media (max-width: 480px) {
  .size-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .output-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .output-actions {
    flex-direction: column;
  }

  .size-desc {
    display: none;
  }
}