/* V21 素材库页面 */
.xx-project-assets {
  max-width: 1200px;
  margin: 0 auto;
}

/* 页面头部 */
.xx-page-head {
  margin-bottom: 32px;
}

.xx-page-head h2 {
  font-size: 28px;
  font-weight: 850;
  color: var(--slate, #0f172a);
  margin: 0 0 8px;
}

.xx-page-head p {
  font-size: 14px;
  color: var(--muted, #64748b);
  margin: 0;
}

/* V21 大卡片 */
.xx-card {
  background: rgba(255,255,255,0.94);
  border: 1px solid rgba(226,232,240,0.95);
  border-radius: 28px;
  box-shadow: 0 24px 70px rgba(15,23,42,0.09);
  padding: 28px;
  margin-bottom: 24px;
  transition: all 0.25s;
}

.xx-card:hover {
  box-shadow: 0 26px 64px rgba(15,23,42,0.14);
  transform: translateY(-2px);
}

.xx-card h3 {
  font-size: 18px;
  font-weight: 850;
  color: var(--slate, #0f172a);
  margin: 0 0 16px;
}

/* 上传区域 */
.xx-upload-zone {
  border: 2px dashed var(--line, #e2e8f0);
  border-radius: 24px;
  padding: 48px;
  text-align: center;
  background: var(--bg, #f8fafc);
  cursor: pointer;
  transition: all 0.2s;
}

.xx-upload-zone:hover {
  border-color: var(--indigo, #4f46e5);
  background: var(--indigo-soft, #eef2ff);
}

.xx-upload-zone .icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.xx-upload-zone p {
  color: var(--muted, #64748b);
  margin: 12px 0;
  font-size: 14px;
}

/* V21 上传按钮 */
.xx-upload-btn {
  background: linear-gradient(135deg, #6366f1, #4f46e5) !important;
  color: white !important;
  border: none !important;
  border-radius: 14px !important;
  padding: 12px 24px !important;
  font-weight: 850 !important;
  box-shadow: 0 14px 26px rgba(79,70,229,0.22) !important;
  transition: all 0.2s !important;
  cursor: pointer;
}

.xx-upload-btn:hover {
  box-shadow: 0 18px 34px rgba(79,70,229,0.28) !important;
  transform: translateY(-1px);
}

/* 素材网格 - 9:16 竖屏卡片 */
.xx-assets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 20px;
}

@media (max-width: 768px) {
  .xx-assets-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .xx-assets-grid {
    grid-template-columns: 1fr;
  }
}

/* V21 素材卡片 - 大圆角 */
.xx-asset-card {
  background: white;
  border: 1px solid var(--line, #e2e8f0);
  border-radius: 22px;
  padding: 12px;
  transition: all 0.25s;
  cursor: pointer;
}

.xx-asset-card:hover {
  border-color: var(--indigo, #4f46e5);
  box-shadow: 0 26px 64px rgba(15,23,42,0.14);
  transform: translateY(-4px);
}

/* 缩略图 - 9:16 竖屏 */
.xx-asset-thumb {
  aspect-ratio: 9 / 16;
  border-radius: 16px;
  background: linear-gradient(135deg, #6366f1, #0ea5e9, #10b981);
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
  color: white;
  font-size: 32px;
  margin-bottom: 12px;
}

/* 状态标签 - Pill 样式 */
.xx-asset-status {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 850;
  padding: 3px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.xx-asset-status.ready {
  background: #dcfce7;
  color: #15803d;
}

.xx-asset-status.processing {
  background: #fef3c7;
  color: #b45309;
}

.xx-asset-status.failed {
  background: #fee2e2;
  color: #b91c1c;
}

.xx-asset-card b {
  display: block;
  font-size: 14px;
  font-weight: 850;
  color: var(--slate, #0f172a);
  margin: 8px 0 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.xx-asset-card p {
  font-size: 12px;
  color: var(--muted, #64748b);
  margin: 0;
}

/* 空状态 */
.xx-empty-state {
  text-align: center;
  padding: 60px 24px;
  color: var(--muted, #64748b);
}

.xx-empty-state p {
  font-size: 16px;
  margin: 12px 0;
}

/* 加载状态 */
.xx-loading {
  padding: 60px 24px;
  text-align: center;
  color: var(--muted, #64748b);
}

/* 隐藏文件输入 */
input[type="file"] {
  display: none;
}