/* ============================================================
   cards.css — 游戏卡片（推荐页和库页共用同一套）
   原则：默认态就把信息给全，不靠鼠标悬停；
        深色底上封面容易发亮，统一加描边收边。
   ============================================================ */

/* ---------- 网格 ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
@media (min-width: 600px)  { .grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; } }
@media (min-width: 900px)  { .grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; } }
@media (min-width: 1180px) { .grid { grid-template-columns: repeat(5, minmax(0, 1fr)); } }

/* ---------- 卡片 ---------- */
.card {
  position: relative;
  border-radius: var(--r-md);
  background: transparent;
  transition: transform var(--base) var(--ease);
}

/* 整卡热区：不塞进 <a> 包所有内容，避免里面再出按钮 */
.card__hit {
  position: absolute;
  inset: 0;
  z-index: 2;
  border-radius: var(--r-md);
}

.card__cover {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--surface-2);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06);
  transition: box-shadow var(--base) var(--ease);
}

.card__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: filter var(--base) var(--ease), transform 0.4s var(--ease);
}

/* 底部压暗，保证小字在亮封面上也能读 */
.card__cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8, 10, 12, 0.42), rgba(8, 10, 12, 0) 42%);
  pointer-events: none;
}

.card:hover .card__cover,
.card:focus-within .card__cover {
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.26);
}
.card:hover .card__cover img,
.card:focus-within .card__cover img {
  filter: brightness(1.07);
  transform: scale(1.02);
}

.card__body { padding: 8px 2px 0; }

.card__title {
  font-size: 13.5px;
  font-weight: 500;
  line-height: 1.35;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card__desc {
  margin-top: 3px;
  font-size: 12px;
  line-height: 1.45;
  color: var(--text-3);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 34px;
}

.card__meta {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
  min-height: 20px;
}
.card__meta .tag { flex-shrink: 0; }

.card__hot {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-3);
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

/* 热度小条 */
.hotbar {
  width: 26px;
  height: 3px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
}
.hotbar i {
  display: block;
  height: 100%;
  background: var(--accent);
  opacity: 0.75;
}

/* ---------- 收藏按钮 ---------- */
.card__fav {
  position: absolute;
  top: 6px;
  right: 6px;
  z-index: 3;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: var(--r-sm);
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(10, 12, 14, 0.72);
  color: rgba(255, 255, 255, 0.72);
  cursor: pointer;
  opacity: 0.55;
  transition: opacity var(--fast) var(--ease), color var(--fast) var(--ease), background var(--fast) var(--ease);
}
.card:hover .card__fav { opacity: 1; }
.card__fav:hover { background: rgba(10, 12, 14, 0.92); color: #fff; }
.card__fav[aria-pressed="true"] { opacity: 1; color: #ff6b81; border-color: rgba(255, 107, 129, 0.45); }
.card__fav[aria-pressed="true"] svg { fill: currentColor; }

/* 新上线角标 */
.card__badge {
  position: absolute;
  left: 6px;
  top: 6px;
  z-index: 3;
  padding: 1px 6px;
  border-radius: 3px;
  background: rgba(10, 12, 14, 0.76);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--text-2);
  font-size: 10.5px;
  letter-spacing: 0.02em;
  pointer-events: none;
}

/* ---------- 横向滚动行（推荐页） ---------- */
.row { margin-top: 32px; }

.row__hd {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 10px;
}

.row__title {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.row__more {
  margin-left: auto;
  font-size: 12px;
  color: var(--text-3);
  border-bottom: 1px solid transparent;
  transition: color var(--fast) var(--ease);
}
.row__more:hover { color: var(--accent); }

.row__track {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  padding: 2px 2px 6px;
  margin: 0 -2px;
  scrollbar-width: thin;
  scrollbar-color: var(--surface-3) transparent;
}
.row__track::-webkit-scrollbar { height: 6px; }
.row__track::-webkit-scrollbar-thumb { background: var(--surface-3); border-radius: 3px; }
.row__track::-webkit-scrollbar-track { background: transparent; }

.row__track .card {
  flex: 0 0 clamp(148px, 41vw, 206px);
  scroll-snap-align: start;
}

@media (min-width: 900px) {
  .row__track .card { flex-basis: 206px; }
}

/* ---------- 空态 ---------- */
.empty {
  grid-column: 1 / -1;
  padding: 56px 24px;
  text-align: center;
  border: 1px dashed var(--line-2);
  border-radius: var(--r-lg);
  color: var(--text-3);
  font-size: 13px;
}
.empty strong { display: block; color: var(--text-2); font-weight: 500; margin-bottom: 4px; }