.app-layout {
  min-height: 100vh;
  background: var(--app-bg);
}

.app-sider {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  border-right: 1px solid var(--app-border);
  box-shadow: 0 1px 2px rgb(16 24 40 / 3%);
  display: flex;
  flex-direction: column;

  .ant-layout-sider-children {
    display: flex;
    flex-direction: column;
    height: 100%;
  }
}

.app-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 64px;
  padding: 0 20px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--app-border);
  overflow: hidden;

  &__mark {
    width: 34px;
    height: 34px;
    flex-shrink: 0;
    display: grid;
    place-items: center;
    border-radius: 10px;
    background: linear-gradient(135deg, #6366f1 0%, #4338ca 100%);
    color: #fff;
    font-size: 19px;
    font-weight: 700;
    box-shadow: 0 6px 14px rgb(79 70 229 / 30%);
  }

  &__text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
    white-space: nowrap;

    span {
      font-size: 16px;
      font-weight: 700;
      letter-spacing: 0.2px;
      color: var(--app-text);
    }

    small {
      margin-top: 3px;
      font-size: 11px;
      color: var(--app-text-secondary);
    }
  }
}

.app-sider.ant-layout-sider-collapsed .app-logo {
  padding: 0 19px;
}

.app-menu {
  flex: 1;
  padding: 10px 8px;
  overflow: auto;
  border-inline-end: none !important;

  .ant-menu-item,
  .ant-menu-submenu-title {
    height: 42px;
    line-height: 42px;
    border-radius: 8px;
    margin-inline: 0;
    width: 100%;
  }

  .ant-menu-submenu .ant-menu-submenu .ant-menu-item {
    padding-left: 52px !important;
  }
}

.app-sider__footer {
  flex-shrink: 0;
  display: flex;
  justify-content: space-between;
  padding: 14px 20px;
  border-top: 1px solid var(--app-border);
  font-size: 11px;
  color: var(--app-text-secondary);
}

.app-main {
  min-width: 0;
  background: var(--app-bg);
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: 64px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgb(255 255 255 / 88%);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--app-border);
  line-height: normal;

  &__left {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
  }

  &__trigger {
    font-size: 17px;
    color: var(--app-text-secondary);
  }

  &__breadcrumb {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  &__right {
    flex-shrink: 0;
  }

  &__icon-btn {
    color: var(--app-text-secondary);
  }

  &__user {
    display: flex;
    align-items: center;
    gap: 10px;
    height: 44px;
    padding: 0 8px;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.2s ease;

    &:hover {
      background: #f2f4f7;
    }
  }

  &__avatar {
    background: linear-gradient(135deg, #6366f1 0%, #4338ca 100%);
    flex-shrink: 0;
  }

  &__user-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.25;
  }

  &__nickname {
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 13px;
    font-weight: 600;
    color: var(--app-text);
  }

  &__role {
    margin-top: 2px;
    margin-inline-end: 0;
    padding: 0 6px;
    font-size: 10px;
    line-height: 16px;
  }

  &__user-arrow {
    font-size: 10px;
    color: var(--app-text-secondary);
  }
}

.app-content {
  padding: 24px;
  min-height: calc(100vh - 64px - 54px);
}

.app-footer {
  padding: 16px 24px !important;
  text-align: center;
  font-size: 12px;
  color: var(--app-text-secondary);
  background: transparent !important;
}

@media (max-width: 768px) {
  .app-header {
    padding: 0 12px;

    &__breadcrumb,
    &__user-info,
    &__user-arrow {
      display: none;
    }
  }

  .app-content {
    padding: 16px;
  }
}