/* =============================================================================
 *  Lyra · screen "genre" (流派/榜单详情) · STYLES  —— Task 12
 *  -----------------------------------------------------------------------------
 *  作用域：[data-screen="genre"]。仅用 styles.css 暴露的令牌，零裸色。
 *  复用 [data-screen="library"] .lib-sresult* 行组件（已在 library.css 定义，
 *  同名 class 可跨 scope 生效；此文件补充布局与容器规则）。
 * ========================================================================== */

/* ============================================================ 容器 */
[data-screen="genre"] .gn-scroll {
  padding: 8px 0 48px;
  min-height: 100%;
}

/* ============================================================ 顶部返回 + 标题 */
[data-screen="genre"] .gn-header {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 16px 18px;
}

[data-screen="genre"] .gn-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: var(--fill-soft);
  color: var(--ink-dim);
  cursor: pointer;
  margin-top: 2px;
  transition: color .15s ease, background .15s ease;
}
[data-screen="genre"] .gn-back:hover { color: var(--ink); background: var(--fill-hover); }

[data-screen="genre"] .gn-head-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-left: 6px;
  min-width: 0;
  flex: 1 1 auto;
}

[data-screen="genre"] .gn-kicker {
  font-family: var(--display);
  font-style: italic;
  font-size: 13px;
  letter-spacing: .3px;
  color: var(--ink-subtle);
  font-weight: 500;
}

[data-screen="genre"] .gn-title {
  font-family: var(--display);
  font-size: 36px;
  font-weight: 600;
  letter-spacing: -.4px;
  line-height: 1.06;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

[data-screen="genre"] .gn-desc {
  margin: 5px 0 0;
  font-size: 13px;
  line-height: 1.45;
  color: var(--ink-dim);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
[data-screen="genre"] .gn-desc[hidden] { display: none; }

[data-screen="genre"] .gn-play-all {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 44px;
  flex: 0 0 auto;
  margin-top: 2px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--accent) 36%, transparent);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  color: var(--accent);
  font-family: var(--ui);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s ease, opacity .15s ease;
}
[data-screen="genre"] .gn-play-all:hover:not(:disabled) {
  background: color-mix(in srgb, var(--accent) 20%, transparent);
}
[data-screen="genre"] .gn-play-all:disabled {
  opacity: .42;
  cursor: default;
}

/* ============================================================ 列表区 */
[data-screen="genre"] .gn-list-sec {
  padding: 0 14px;
}

[data-screen="genre"] .gn-loading {
  padding: 22px 8px;
  font-size: 14px;
  color: var(--ink-faint);
  text-align: center;
}

[data-screen="genre"] .gn-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

[data-screen="genre"] .gn-empty {
  padding: 32px 8px;
  font-size: 14px;
  color: var(--ink-dim);
  text-align: center;
}

/* ---- lib-sresult* 行组件（与发现页搜索结果同款）----
 * 注：library.css 的同名规则作用域是 [data-screen="library"]，不跨屏生效，
 * 故此处在 [data-screen="genre"] 下完整定义一份（封面方块 + 标题/艺人两行，左对齐）。 */
[data-screen="genre"] .lib-sresult {
  display: flex; align-items: center; gap: 11px; width: 100%; box-sizing: border-box;
  padding: 8px; border: none; border-radius: 12px; background: transparent;
  color: var(--ink); text-align: left; cursor: pointer; transition: background .14s ease;
}
[data-screen="genre"] .lib-sresult:hover,
[data-screen="genre"] .lib-sresult:active { background: var(--fill-hover); }
[data-screen="genre"] .lib-sresult-art {
  flex: none; width: 44px; height: 44px; border-radius: 10px;
  background-size: cover; background-position: center; border: 1px solid var(--line);
}
[data-screen="genre"] .lib-sresult-main { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
[data-screen="genre"] .lib-sresult-title {
  font-family: var(--jp); font-size: 15px; color: var(--ink);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
[data-screen="genre"] .lib-sresult-sub {
  font-size: 12.5px; color: var(--ink-dim);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
[data-screen="genre"] .lib-sresult--off { opacity: .52; }
[data-screen="genre"] .lib-sresult--off:hover,
[data-screen="genre"] .lib-sresult--off:active { opacity: .72; background: var(--fill-hover); }
[data-screen="genre"] .lib-sresult-lang {
  display: inline-block; vertical-align: middle; margin-left: 6px;
  padding: 1px 7px; border-radius: 999px; font-size: 11px;
  background: color-mix(in srgb, var(--ink-faint) 18%, transparent);
  border: 1px solid color-mix(in srgb, var(--ink-faint) 28%, transparent);
  color: var(--ink-faint); white-space: nowrap;
}

/* ============================================================ 入场动画
 * .fade-up 由 styles.css 全局提供；.in 激活 */

@media (prefers-reduced-motion: reduce) {
  [data-screen="genre"] .gn-back { transition: none; }
}

/* ============================================================ 分类浏览 — library 屏流派网格
 * 规则挂在 [data-screen="library"] 下（网格在发现屏内，不在 genre 屏内）。
 * 统一放在本文件便于 Task 12 管理；library.css 已有足够 shelf/rail 基础。 */
[data-screen="library"] .lib-genre-shelf { margin-bottom: 34px; }

[data-screen="library"] .lib-genre-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding: 2px 22px 6px;
}

/* 流派瓦片：紧凑封面缩略 + 名称 + 数量 */
[data-screen="library"] .lib-genre-tile {
  position: relative;
  min-width: 0;
  min-height: 72px;
  border-radius: var(--r-sm);
  overflow: hidden;
  cursor: pointer;
  background: var(--fill-soft);
  border: 1px solid var(--line-strong);
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  grid-template-rows: auto auto;
  align-items: center;
  column-gap: 10px;
  padding: 8px;
  text-align: left;
  transition: transform .16s ease, border-color .15s ease;
}
[data-screen="library"] .lib-genre-tile:active { transform: scale(.97); }
[data-screen="library"] .lib-genre-tile:hover { border-color: color-mix(in srgb, var(--accent) 35%, transparent); }

[data-screen="library"] .lib-genre-tile-art {
  position: relative;
  grid-row: 1 / span 2;
  width: 54px;
  height: 54px;
  border-radius: 8px;
  overflow: hidden;
  background-size: cover !important;
  background-position: center !important;
  border: 1px solid var(--line);
  transition: opacity .18s ease;
}
[data-screen="library"] .lib-genre-tile:hover .lib-genre-tile-art { opacity: 1; }

[data-screen="library"] .lib-genre-tile::before {
  display: none;
}

[data-screen="library"] .lib-genre-tile-name {
  position: relative;
  z-index: 1;
  align-self: end;
  min-width: 0;
  font-family: var(--ui);
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.18;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
[data-screen="library"] .lib-genre-tile-count {
  position: relative;
  z-index: 1;
  align-self: start;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-dim);
  letter-spacing: .02em;
}

/* 「热门」固定入口：更醒目的强调色边框 + 图标 */
[data-screen="library"] .lib-genre-tile--hot {
  background: color-mix(in srgb, var(--amber) 10%, var(--fill-soft));
  border-color: color-mix(in srgb, var(--amber) 35%, transparent);
  grid-template-columns: 44px minmax(0, 1fr);
  grid-template-rows: 1fr;
}
[data-screen="library"] .lib-genre-tile--hot::before {
  background: none;   /* 热门入口无遮幕，纯色底 */
}
[data-screen="library"] .lib-genre-tile--hot .lib-genre-tile-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--amber) 12%, transparent);
  color: var(--amber);
  flex: none;
}
[data-screen="library"] .lib-genre-tile--hot .lib-genre-tile-name {
  align-self: center;
  color: var(--amber);
  font-size: 14.5px;
}
[data-screen="library"] .lib-genre-tile--hot:hover {
  background: color-mix(in srgb, var(--amber) 16%, var(--fill-soft));
  border-color: color-mix(in srgb, var(--amber) 48%, transparent);
}

@media (prefers-reduced-motion: reduce) {
  [data-screen="library"] .lib-genre-tile { transition: none; }
  [data-screen="library"] .lib-genre-tile-art { transition: none; }
  [data-screen="genre"] .gn-play-all { transition: none; }
}