/*!
 * 无障碍吐槽平台 - 提交页面样式
 */

/* ==================== 步骤指示器 ==================== */
.steps-nav {
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.steps-list {
  display: flex;
  justify-content: space-between;
  list-style: none;
  position: relative;
}

.steps-list::before {
  content: '';
  position: absolute;
  top: 16px;
  left: 48px;
  right: 48px;
  height: 2px;
  background: var(--color-border);
}

.step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  position: relative;
  z-index: 1;
}

.step-marker {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-border);
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.step-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  transition: color var(--transition-fast);
}

.step-item.active .step-marker {
  background: var(--color-primary);
  color: var(--color-white);
}

.step-item.active .step-label {
  color: var(--color-primary);
  font-weight: 500;
}

.step-item.completed .step-marker {
  background: var(--color-success);
  color: var(--color-white);
}

/* ==================== 表单 ==================== */
.submit-form {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
}

.form-step {
  display: none;
}

.form-step.active {
  display: block;
}

.form-step[hidden] {
  display: none;
}

.step-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.step-desc {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
}

/* ==================== 应用搜索 ==================== */
.suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  z-index: 10;
  max-height: 240px;
  overflow-y: auto;
}

.suggestion-item {
  padding: var(--spacing-sm) var(--spacing-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  transition: background var(--transition-fast);
}

.suggestion-item:hover,
.suggestion-item:focus {
  background: var(--color-primary-light);
}

.suggestion-item[aria-selected="true"] {
  background: var(--color-primary-light);
}

.suggestion-icon {
  font-size: 24px;
}

.suggestion-name {
  font-weight: 500;
}

.suggestion-count {
  margin-left: auto;
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

/* ==================== 问题类型选择 ==================== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.category-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-xl);
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.category-card:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.category-card.selected {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.category-card input[type="radio"] {
  position: absolute;
  opacity: 0;
}

.category-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-md);
}

.category-name {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.category-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* 二级分类 */
.subcategory {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.subcategory[hidden] {
  display: none;
}

.subcategory-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.subcategory-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.subcategory-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.subcategory-item:hover {
  border-color: var(--color-primary);
}

.subcategory-item.selected {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.subcategory-item input[type="radio"] {
  margin-right: var(--spacing-sm);
}

/* ==================== AI 优化按钮 ==================== */
.btn-ai {
  margin-top: var(--spacing-sm);
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: var(--color-white);
  border: none;
}

.btn-ai:hover:not(:disabled) {
  opacity: 0.9;
}

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

/* ==================== 上传区域 ==================== */
.upload-area {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--color-bg);
}

.upload-area:hover,
.upload-area.dragover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.upload-area:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.upload-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-md);
}

.upload-text {
  font-size: var(--font-size-base);
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
}

.upload-hint {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

/* 上传预览 */
.upload-preview {
  margin-top: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: var(--color-bg);
  border-radius: var(--radius-lg);
}

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

.preview-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.preview-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--spacing-md);
  list-style: none;
}

.preview-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-border);
}

.preview-item img,
.preview-item video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.preview-remove {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.preview-remove:hover {
  background: var(--color-error);
}

/* ==================== 表单操作 ==================== */
.form-actions {
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
}

.form-actions .btn {
  min-width: 120px;
}

.btn-submit {
  background: var(--color-success);
  border-color: var(--color-success);
}

.btn-submit:hover:not(:disabled) {
  background: #3da815;
  border-color: #3da815;
}

/* ==================== 进度条 ==================== */
.progress-bar {
  width: 100%;
  height: 4px;
  background: var(--color-border);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: var(--spacing-xl);
}

.progress-fill {
  height: 100%;
  background: var(--color-primary);
  transition: width var(--transition-normal);
}

/* ==================== 响应式 ==================== */
@media (max-width: 768px) {
  .category-grid {
    grid-template-columns: 1fr;
  }

  .steps-list {
    flex-wrap: wrap;
    gap: var(--spacing-md);
  }

  .steps-list::before {
    display: none;
  }

  .step-item {
    flex: 1 1 40%;
  }

  .step-arrow {
    display: none;
  }

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

  .form-actions .btn {
    width: 100%;
  }

  .preview-list {
    grid-template-columns: repeat(3, 1fr);
  }
}