.sidebar {
  width: 220px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  padding: 16px 0;
  transition: width 0.25s ease;

  &.collapsed {
    width: 64px;

    .sidebar-user-card-wrap {
      margin: 0 8px 8px;
    }

    .sidebar-user-card {
      padding: 8px 0;
      justify-content: center;

      .user-meta {
        display: none;
      }
    }

    .nav-menu,
    .sidebar-footer {
      padding: 0 8px;
    }

    .nav-label {
      display: none;
    }

    .nav-item {
      justify-content: center;
      padding: 10px;
      gap: 0;
    }
  }
}

.sidebar-user-card-wrap {
  position: relative;
  margin: 0 12px 10px;
  --sidebar-user-menu-width: 172px;
}

.sidebar-user-menu {
  position: absolute;
  left: 0;
  right: auto;
  bottom: calc(100% + 8px);
  width: max(100%, var(--sidebar-user-menu-width));
  z-index: 12;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: var(--bg-secondary-solid, var(--bg-primary));
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 6px;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.12);
}

.sidebar-user-menu-item {
  width: 100%;
  border: none;
  border-radius: 10px;
  background: transparent;
  color: var(--text-primary);
  padding: 9px 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: background 0.2s ease, color 0.2s ease;

  &:hover {
    background: var(--bg-tertiary);
  }

  &.danger {
    color: #d93025;

    &:hover {
      background: rgba(255, 59, 48, 0.08);
    }
  }
}

.sidebar-user-card {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 56px;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;

  &:hover {
    border-color: rgba(99, 102, 241, 0.32);
    background: var(--bg-tertiary);
  }

  &.menu-open {
    border-color: rgba(99, 102, 241, 0.44);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.12);
  }

  .user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;

    img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    span {
      color: var(--on-primary);
      font-size: 14px;
      font-weight: 600;
    }
  }

  .user-meta {
    min-width: 0;
    flex: 1;
  }

  .user-name {
    font-size: 13px;
    color: var(--text-primary);
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .user-wxid {
    margin-top: 2px;
    font-size: 11px;
    color: var(--text-tertiary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .user-menu-caret {
    color: var(--text-tertiary);
    display: inline-flex;
    transition: transform 0.2s ease, color 0.2s ease;

    &.open {
      transform: rotate(180deg);
      color: var(--text-secondary);
    }
  }
}

.nav-menu {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0 12px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 9999px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.2s ease;
  white-space: nowrap;
  border: none;
  background: transparent;
  cursor: pointer;
  font-family: inherit;

  &:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
  }

  &.active {
    background: var(--primary);
    color: var(--on-primary);
  }
}

.nav-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.nav-icon-with-badge {
  position: relative;
}

.nav-label {
  font-size: 14px;
  font-weight: 500;
}

.nav-badge {
  margin-left: auto;
  min-width: 20px;
  height: 20px;
  border-radius: 999px;
  padding: 0 6px;
  background: #ff3b30;
  color: #ffffff;
  font-size: 11px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  box-shadow: 0 0 0 2px rgba(255, 59, 48, 0.18);
}

.nav-badge.icon-badge {
  position: absolute;
  top: -7px;
  right: -10px;
  margin-left: 0;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  font-size: 10px;
  box-shadow: 0 0 0 2px var(--bg-secondary);
}

.sidebar-footer {
  padding: 0 12px;
  border-top: 1px solid var(--border-color);
  padding-top: 12px;
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-clear-dialog-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1100;
  padding: 20px;
}

.sidebar-clear-dialog {
  width: min(460px, 100%);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.24);
  padding: 18px 18px 16px;

  h3 {
    margin: 0;
    font-size: 16px;
    color: var(--text-primary);
  }

  p {
    margin: 10px 0 0;
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-secondary);
  }
}

.sidebar-clear-options {
  margin-top: 14px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;

  label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-primary);
  }
}

.sidebar-clear-actions {
  margin-top: 18px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;

  button {
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 8px 14px;
    font-size: 13px;
    cursor: pointer;
    background: var(--bg-secondary);
    color: var(--text-primary);
  }

  button:disabled {
    cursor: not-allowed;
    opacity: 0.6;
  }

  .danger {
    border-color: #ef4444;
    background: #ef4444;
    color: #fff;
  }
}

// 繁花如梦主题：侧边栏毛玻璃 + 激活项用主品牌色
[data-theme="blossom-dream"] .sidebar {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-right: 1px solid rgba(255, 255, 255, 0.4);
}

[data-theme="blossom-dream"][data-mode="dark"] .sidebar {
  background: rgba(34, 30, 36, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-right: 1px solid rgba(255, 255, 255, 0.06);
}

// 激活项：主品牌色纵向微渐变
[data-theme="blossom-dream"] .nav-item.active {
  background: linear-gradient(180deg, #D4849A 0%, #C4748A 100%);
}

// 深色激活项：用藕粉色，背景深灰底 + 粉色文字/图标（高阶玩法）
[data-theme="blossom-dream"][data-mode="dark"] .nav-item.active {
  background: rgba(209, 158, 187, 0.15);
  color: #D19EBB;
  border: 1px solid rgba(209, 158, 187, 0.2);
}