/**
 * User Center — mobile tabs, drawer breakpoints, a11y/loading, invite mobile
 */

/* ==================== 移动端 Tab 栏 ==================== */
.uc-mobile-tabs {
  display: none;
}

@media (max-width: 767px) {
  .uc-mobile-tabs {
    display: flex;
    flex-wrap: wrap;
    overflow: hidden;
    gap: 4px;
    padding-bottom: 12px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--color-line-soft, rgba(0,0,0,0.06));
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .uc-mobile-tabs::-webkit-scrollbar {
    display: none;
  }

  .uc-mobile-tabs a {
    flex-shrink: 0;
    white-space: nowrap;
    padding: 8px 14px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--color-ink-3);
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
  }

  .uc-mobile-tabs a:hover,
  .uc-mobile-tabs a.is-active {
    background: var(--color-primary-soft);
    color: var(--color-primary);
    font-weight: 600;
  }
}

/* ==================== 响应式抽屉（对齐 legacy ≤767 全宽，覆盖 display:none） ==================== */
/* legacy 在 max-width:767 把 user-center-sidebar/content 设 width:100%；
 * 本站沿用 ≤991.98 的 drawer 模式，与全站侧栏折叠点一致。 */
@media (max-width: 991.98px) {
  body.aksrt-user-center .user-center-body,
  body.aksrt-user-center .aksrt-profile__layout,
  .aksrt-profile .user-center-body,
  .aksrt-profile .aksrt-profile__layout,
  .user-center .user-center-body {
    display: block;
    gap: 0;
  }

  body.aksrt-user-center .user-center-content,
  body.aksrt-user-center .uc-content,
  .aksrt-profile .user-center-content,
  .aksrt-profile .uc-content,
  .user-center .user-center-content {
    width: 100%;
    max-width: none;
    flex: none;
  }

  /* 抽屉：离屏固定，FAB 打开；不参与文档流，避免堆在内容下方 */
  body.aksrt-user-center .user-center-sidebar,
  body.aksrt-user-center .uc-sidebar,
  body.aksrt-user-center .aksrt-profile__aside,
  .aksrt-profile .user-center-sidebar,
  .aksrt-profile .uc-sidebar,
  .aksrt-profile .aksrt-profile__aside,
  .user-center .user-center-sidebar {
    display: flex;
    float: none;
    flex: none;
    width: 270px;
    max-width: 270px;
    margin-left: 0;
    margin-right: 0;
    position: fixed;
    top: 0;
    left: -280px;
    bottom: 0;
    z-index: 300;
    background: var(--surface-1);
    padding: 0;
    overflow-y: auto;
    overflow-x: hidden;
    transition: left 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.12);
    gap: 0;
    align-self: auto;
  }

  body.aksrt-user-center .user-center-sidebar.is-open,
  body.aksrt-user-center .uc-sidebar.is-open,
  body.aksrt-user-center .aksrt-profile__aside.is-open,
  .aksrt-profile .user-center-sidebar.is-open,
  .aksrt-profile .uc-sidebar.is-open,
  .aksrt-profile .aksrt-profile__aside.is-open,
  .user-center .user-center-sidebar.is-open {
    left: 0;
  }

  /* 抽屉头部装饰 */
  body.aksrt-user-center .user-center-sidebar::before,
  body.aksrt-user-center .uc-sidebar::before,
  body.aksrt-user-center .aksrt-profile__aside::before,
  .aksrt-profile .user-center-sidebar::before,
  .aksrt-profile .uc-sidebar::before,
  .aksrt-profile .aksrt-profile__aside::before,
  .user-center .user-center-sidebar::before {
    content: '';
    display: block;
    height: 100px;
    background: linear-gradient(135deg, var(--color-primary), #667eea);
    flex-shrink: 0;
  }

  body.aksrt-user-center .uc-sidebar__section,
  .aksrt-profile .uc-sidebar__section,
  .user-center .uc-sidebar__section {
    border-radius: 0;
    border-left: none;
    border-right: none;
    box-shadow: none;
  }

  body.aksrt-user-center .uc-sidebar__section:first-of-type,
  .aksrt-profile .uc-sidebar__section:first-of-type,
  .user-center .uc-sidebar__section:first-of-type {
    margin-top: -20px;
    position: relative;
    z-index: 1;
    border-radius: 12px 12px 0 0;
  }

  body.aksrt-user-center .uc-sidebar__drawer-trigger,
  .aksrt-profile .uc-sidebar__drawer-trigger,
  .user-center .uc-sidebar__drawer-trigger {
    display: flex;
  }
}

@media (max-width: 767px) {
  .uc-content .dashboard-panel {
    padding: 16px;
  }
}

/* ==================== 焦点状态（无障碍）==================== */
.uc-sidebar__btn:focus-visible,
.uc-sidebar__drawer-trigger:focus-visible,
.uc-content .btn-primary:focus-visible,
.uc-content .btn-ghost:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ==================== 加载状态 ==================== */
.uc-content .btn-primary.is-loading,
.uc-content .btn-ghost.is-loading {
  position: relative;
  color: transparent;
  pointer-events: none;
}

.uc-content .btn-primary.is-loading::after,
.uc-content .btn-ghost.is-loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: btn-spin 0.6s linear infinite;
}

@keyframes btn-spin {
  to { transform: rotate(360deg); }
}

/* ==================== 空状态增强 ==================== */
.uc-content .profile-empty {
  padding: 48px 20px;
}

.uc-content .profile-empty__icon {
  width: 56px;
  height: 56px;
  margin-bottom: 14px;
}

.uc-content .profile-empty__icon svg {
  width: 26px;
  height: 26px;
}

/* ==================== 移动端底部安全区 ==================== */
.uc-sidebar__drawer-trigger {
  bottom: calc(72px + env(safe-area-inset-bottom, 0px));
}

@media (max-width: 480px) {
  .user-center,
  .aksrt-profile.content-shell {
    padding: 0 12px 32px;
  }

  .uc-stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .uc-stats__item {
    padding: 8px 4px;
  }

  .uc-stats__value {
    font-size: 1rem;
  }

  .uc-content .dashboard-panel {
    padding: 14px;
  }

  .uc-content .widget-card {
    padding: 14px;
  }

  .uc-transactions__item {
    padding: 12px 14px;
  }

  .uc-transactions__icon {
    width: 32px;
    height: 32px;
    font-size: 12px;
  }

}

@media (max-width: 640px) {
  .uc-content .aksrt-invite-hero {
    flex-direction: column;
    padding: 0 0 14px;
  }

  .uc-content .aksrt-invite-code-card {
    width: 100%;
    padding: 12px 0 0;
    border-left: 0;
    border-top: 1px solid var(--color-line-soft, rgba(0,0,0,0.06));
  }

  .uc-content .aksrt-invite-link-row {
    flex-direction: column;
    padding: 14px 0;
  }

  .uc-content .aksrt-invite-link-row input {
    flex: none;
    width: 100%;
    height: 40px;
  }

  .uc-content .aksrt-invite-copy {
    width: 100%;
  }

  .uc-content .aksrt-invite-stats {
    grid-template-columns: repeat(3, 1fr);
    padding: 12px 0;
  }

  .uc-content .aksrt-invite-stat {
    align-items: center;
    text-align: center;
    padding: 0 8px;
    border-right: 1px solid var(--color-line-soft, rgba(0,0,0,0.06));
    border-bottom: 0;
  }

  .uc-content .aksrt-invite-stat:last-child {
    border-right: 0;
  }

  .uc-content .aksrt-invite-stat strong {
    font-size: 22px;
  }

  .uc-content .aksrt-invite-stat span,
  .uc-content .aksrt-invite-stat strong {
    white-space: nowrap;
  }

  .uc-content .aksrt-invite-stat small {
    font-size: 11px;
  }

  .uc-content .aksrt-invite-records {
    padding: 14px 0 0;
  }

  .uc-content .aksrt-invite-record {
    align-items: flex-start;
  }

  .uc-content .aksrt-invite-record__status {
    min-width: 0;
  }
}

@media (max-width: 520px) {
  .uc-content .aksrt-invite-record {
    flex-wrap: wrap;
  }

  .uc-content .aksrt-invite-record__main {
    flex: 1 1 calc(100% - 54px);
  }

  .uc-content .aksrt-invite-record__status {
    flex: 1 1 100%;
    align-items: flex-start;
    padding-left: 54px;
    text-align: left;
  }
}