/* 备课中心 */

.main--prepare {
  background: var(--bg-page);
}

.prep-hero {
  position: relative;
  flex-shrink: 0;
  height: 160px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 25px 40px 0;
  background: linear-gradient(90deg, #e5f1fc 0%, #f3f0ff 56%, #f8f5f0 99%);
}

.prep-hero::before,
.prep-hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
  background: url("../assets/prepare/hero-deco.webp") center / cover no-repeat;
}

.prep-hero::before {
  top: 8px;
  left: 0;
  width: 443px;
  height: 278px;
}

.prep-hero::after {
  right: 0;
  top: -39px;
  width: 252px;
  height: 158px;
  transform: scaleY(-1);
}

.prep-hero__deco {
  display: none;
}

.prep-hero__deco--right {
  display: none;
}

.prep-hero__copy {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.prep-hero__title {
  margin: 0;
  font-size: 24px;
  line-height: 32px;
  font-weight: var(--font-weight-medium);
  color: var(--text-dark);
}

.prep-hero__desc {
  margin: 0;
  font-size: var(--font-14);
  line-height: var(--lh-14);
  color: var(--text-dark);
}

.prep-hero__go {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  height: 38px;
  padding: 8px 24px;
  border-radius: var(--radius-md);
  background: linear-gradient(80deg, #1677ff 13%, #8800ff 99%);
  color: var(--text-on-primary);
  font-size: var(--font-14);
  line-height: var(--lh-14);
  text-decoration: none;
}

.prep-hero__go-icon {
  width: 16px;
  height: 16px;
  display: flex;
}

.prep-toolbar {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  background: var(--bg-white);
}

.prep-toolbar__btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 34px;
  padding: 6px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-base);
  background: var(--bg-white);
  color: var(--text-secondary);
  font-size: var(--font-14);
  line-height: var(--lh-14);
}

.prep-toolbar__btn--ai {
  border-color: transparent;
  background: linear-gradient(79deg, #1677ff 13%, #8800ff 100%);
  color: var(--text-on-primary);
}

.prep-toolbar__ai {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 20px;
  padding: 0 6px;
  border-radius: 100px;
  background: linear-gradient(123deg, #f3dfff -2%, #faf0ff 100%);
  color: #3d3d3d;
  font-size: 12px;
  line-height: 20px;
  font-weight: 700;
}

.prep-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 16px 16px 24px;
}

.prep-card {
  position: relative;
  display: flex;
  gap: 16px;
  padding: 16px;
  border-radius: var(--radius-xl);
  background: var(--bg-white);
  cursor: pointer;
}

.prep-card__hit {
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: inherit;
}

.prep-card__cover {
  display: block;
  flex-shrink: 0;
  width: min(440px, 36%);
  aspect-ratio: 440 / 247.5;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--bg-base);
}

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

.prep-card__body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.prep-card__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.prep-card__title-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.prep-card__title {
  margin: 0;
  font-size: var(--font-20);
  line-height: var(--lh-20);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
}

.prep-card__title a {
  color: inherit;
  text-decoration: none;
}

.prep-card__title.is-picked {
  padding: 4px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-primary);
  background: #d6e4ff;
}

.prep-card__edit {
  width: 20px;
  height: 20px;
  color: var(--text-primary);
  display: flex;
  flex-shrink: 0;
}

.prep-card__edit svg {
  width: 20px;
  height: 20px;
}

.prep-card__more {
  position: relative;
  z-index: 2;
  width: 24px;
  height: 24px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.prep-card__more svg {
  width: 22px;
  height: 22px;
}

.prep-card__majors {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 30px;
  font-size: var(--font-14);
  line-height: var(--lh-14);
  color: var(--text-secondary);
}

.prep-card__majors span + span::before {
  content: "";
  display: inline-block;
  width: 1px;
  height: 12px;
  margin-right: 8px;
  background: #d8d8d8;
  vertical-align: middle;
}

.prep-card__res {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--bg-base);
}

.prep-card__res-item {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: var(--font-14);
  line-height: var(--lh-14);
  color: var(--text-secondary);
}

.prep-card__res-item b {
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
}

.prep-card__res-item + .prep-card__res-item::before {
  content: "";
  width: 5px;
  height: 5px;
  margin-right: 5px;
  border-radius: 20px;
  background: var(--border-grey-5);
}

.prep-card__auth {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 10px;
  height: 30px;
  padding-right: 8px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #fdf4e8;
}

.prep-card__auth-tag {
  height: 30px;
  padding: 4px 8px;
  background: var(--color-warning);
  color: var(--text-on-primary);
  font-size: var(--font-14);
  line-height: var(--lh-14);
}

.prep-card__auth-date {
  font-size: var(--font-14);
  line-height: var(--lh-14);
  color: #995700;
}

.prep-card__auth.is-trial {
  background: #f9f0ff;
}

.prep-card__auth.is-trial .prep-card__auth-tag {
  background: #9254de;
}

.prep-card__auth.is-trial .prep-card__auth-date {
  color: #722ed1;
}

.prep-card__tools {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.prep-tool {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 24px;
  padding-right: 12px;
  border-radius: 100px;
  background: #f5f7fa;
  color: var(--text-dark);
  font-size: var(--font-14);
  line-height: var(--lh-14);
}

.prep-tool img {
  width: 24px;
  height: 24px;
  border-radius: 20px;
  object-fit: cover;
}

.prep-card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 32px;
}

.prep-card__classes {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: var(--font-14);
  line-height: var(--lh-14);
}

.prep-card__chip {
  height: 32px;
  padding: 5px 16px;
  border-radius: var(--radius-md);
  background: var(--bg-grey-3);
  color: var(--text-secondary);
}

.prep-card__time {
  color: var(--text-muted);
  font-size: var(--font-14);
  line-height: var(--lh-14);
  white-space: nowrap;
}

@media (max-width: 1200px) {
  .prep-card {
    flex-direction: column;
  }

  .prep-card__cover {
    width: 100%;
  }
}