/* Shared by the pre-JavaScript splash, route loading and Element Plus local masks. */
.art-loading-host {
  position: relative;
  min-height: 100%;
}
.art-loading-mask {
  position: absolute;
  inset: 0;
  z-index: 2100;
  display: grid;
  place-items: center;
  background: rgba(248, 250, 253, 0.82);
  opacity: 0;
}
.art-loading-mask.is-visible {
  opacity: 1;
  transition: opacity 0.15s ease;
}
.art-loading-mask.is-boot {
  position: fixed;
  opacity: 1;
}
.layout-header.fixed-header + .app-main > .art-loading-mask {
  top: var(--layout-header-height, 92px);
}
.art-loading-host .layout-header.fixed-header + .app-main {
  min-height: var(--app-display-min-height, 100vh);
}
.layout-header.fixed-header + .app-main > .art-loading-failure {
  top: calc(var(--layout-header-height, 92px) + 12px);
}
.art-loading-host > div {
  min-height: 100%;
}
.art-loading-mark {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}
.art-loading-brand,
.el-loading-mask .el-loading-spinner::before {
  color: var(--el-text-color-primary, #263b56);
  opacity: 0.18;
  font:
    500 40px/1.4 'Microsoft YaHei',
    sans-serif;
  letter-spacing: 0.24em;
  text-indent: 0.24em;
  white-space: nowrap;
}
.art-loading-track {
  width: 112px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, var(--el-color-primary, #557da8), transparent);
  background-size: 50% 100%;
  background-repeat: no-repeat;
  animation: art-loading-flow 1.8s ease-in-out infinite;
}
.art-loading-caption {
  color: var(--el-text-color-secondary, #78879a);
  font-size: 13px;
  letter-spacing: 0.06em;
}
.el-loading-mask {
  animation: art-loading-reveal 0.15s 0.2s both;
}
.el-loading-mask .el-loading-spinner {
  margin-top: 0;
  transform: translateY(-50%);
}
.el-loading-mask .el-loading-spinner::before {
  content: '艺术展演';
  display: block;
  font-size: 32px;
}
.el-loading-mask .el-loading-spinner .circular {
  display: none;
}
.el-loading-mask .el-loading-spinner::after {
  content: '正在加载，请稍候…';
  display: block;
  padding-top: 16px;
  margin: 12px auto 0;
  width: 150px;
  color: var(--el-text-color-secondary, #78879a);
  font-size: 12px;
  background: linear-gradient(90deg, transparent, var(--el-color-primary, #557da8), transparent) no-repeat;
  background-size: 56px 2px;
  animation: art-loading-flow 1.8s ease-in-out infinite;
}
.el-loading-mask .el-loading-spinner:has(.el-loading-text)::after {
  content: '';
  padding-top: 0;
  height: 2px;
}
.el-loading-mask .el-loading-spinner .el-loading-text {
  font-size: 13px;
}
.art-loading-content[aria-busy='true'] .el-loading-mask {
  visibility: hidden;
}
.art-loading-content[aria-busy='true'] .el-alert,
.art-loading-content[aria-busy='true'] .el-empty {
  visibility: hidden;
}
.art-loading-failure {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2100;
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 12px 18px;
  max-width: 95%;
  border: 1px solid var(--el-border-color, #dce3ed);
  border-radius: 8px;
  background: var(--el-bg-color, #fff);
  color: var(--el-text-color-regular, #4b5b70);
  font-size: 13px;
}
.art-loading-failure button {
  color: var(--el-color-primary, #557da8);
  background: none;
  border: 0;
  cursor: pointer;
  white-space: nowrap;
}
html.dark .art-loading-mask {
  background: rgba(25, 29, 36, 0.86);
}
@keyframes art-loading-flow {
  0%,
  100% {
    background-position: 0 0;
  }
  50% {
    background-position: 100% 0;
  }
}
@keyframes art-loading-reveal {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@media (max-width: 600px) {
  .art-loading-brand,
  .el-loading-mask .el-loading-spinner::before {
    font-size: 28px;
  }
  .art-loading-failure {
    flex-wrap: wrap;
  }
}
@media (prefers-reduced-motion: reduce) {
  .art-loading-track,
  .el-loading-mask .el-loading-spinner::after {
    animation: none;
    background-position: center top;
  }
  .el-loading-mask {
    animation: none;
  }
  .art-loading-mask.is-visible {
    transition: none;
  }
}