/* ============================================================
   duanju 竖屏播放页 play.css —— 逐集卡 feed（整卡竖滑）
   作用域 .dj-play：仅覆盖本页，不改全局令牌
   见 docs/adr/0003-duanju-player-whole-card-swipe.md
   ============================================================ */
.dj-play{
  margin:0;
  background:#000;
  color:#fff;
  overflow:hidden;
  height:100vh;
  height:100dvh;
  position:relative;
  overscroll-behavior:none;
  -webkit-user-select:none;user-select:none;
}
.dj-play *{-webkit-tap-highlight-color:transparent}

/* 桌面：居中成手机竖屏，两侧黑 */
@media (min-width:600px){
  .dj-play{max-width:var(--dj-maxw);margin:0 auto;box-shadow:0 0 60px rgba(0,0,0,.6)}
}

/* ---------------- feed 滚动容器 ---------------- */
/* 原生 scroll-snap 竖滚：惯性/回弹/桌面滚轮全交给浏览器。
   JS 只用 IntersectionObserver 判当前集并挂载/卸载视频。 */
.dj-feed-viewport{
  position:absolute;inset:0;
  z-index:1;
  overflow:hidden;
}
.dj-feed{
  position:absolute;inset:0;
  /* 部分移动浏览器会忽略隐藏滚动条规则，仍绘制原生滚动指示器。
     将指示器放进右侧隔离带，再由外层裁掉；等量 padding 保持逐集卡仍为视口宽度。 */
  right:-12px;
  padding-right:12px;
  overflow-y:scroll;
  overflow-x:hidden;
  scroll-snap-type:y mandatory;
  overscroll-behavior:contain;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.dj-feed::-webkit-scrollbar{width:0;height:0;display:none}
/* 拖进度条时锁住竖滑：关闭 snap + 禁止滚动，touchend 恢复。
   overflow:hidden 保留 scrollTop，不会跳位。 */
.dj-feed.is-locked{overflow-y:hidden;scroll-snap-type:none}

/* ---------------- 逐集卡 ---------------- */
.dj-card{
  position:relative;
  height:100%;
  scroll-snap-align:start;
  scroll-snap-stop:always;
  background:#000;
  overflow:hidden;
  /* 覆盖 base.css 面向首页卡片的按压缩放(.dj-card:active scale)：
     播放页逐集卡复用了同名 class，点/按住画面不应整卡缩放回弹。 */
  transition:none;
}
.dj-play .dj-card:active{transform:none}
.dj-card-video{
  position:absolute;inset:0;
  display:flex;align-items:center;justify-content:center;
  background:#000;
}
.dj-card-video video{
  width:100%;height:100%;
  object-fit:contain;
  background:#000;
  display:block;
}

/* 下一集尚未达到预缓冲阈值时，阻止提前起播并显示加载状态。 */
.dj-buffering{
  position:absolute;left:50%;top:50%;z-index:4;
  width:44px;height:44px;transform:translate(-50%,-50%);
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;background:rgba(0,0,0,.38);
  pointer-events:none;
}
.dj-buffering[hidden]{display:none}
.dj-buffering span{
  width:22px;height:22px;border:2px solid rgba(255,255,255,.32);
  border-top-color:#fff;border-radius:50%;
  animation:djBuffering .75s linear infinite;
}
@keyframes djBuffering{to{transform:rotate(360deg)}}

/* 中央点按播放态（自动播放被拦截 / 手动暂停时显示） */
.dj-tap-play{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:66px;height:66px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(0,0,0,.42);backdrop-filter:blur(2px);
  color:#fff;font-size:30px;z-index:3;
}
.dj-tap-play[hidden]{display:none}

/* 首屏滑动提示（容器级） */
.dj-swipe-hint{
  position:absolute;left:50%;bottom:22%;transform:translateX(-50%);
  z-index:12;color:rgba(255,255,255,.9);font-size:var(--dj-fs-cap);
  padding:6px 14px;border-radius:100px;background:rgba(0,0,0,.4);
  pointer-events:none;animation:djHint 1.8s ease-in-out infinite;
}
.dj-swipe-hint[hidden]{display:none}
@keyframes djHint{0%,100%{transform:translateX(-50%) translateY(0);opacity:.65}
  50%{transform:translateX(-50%) translateY(-6px);opacity:1}}

/* ---------------- 顶栏（唯一固定层） ---------------- */
.dj-play-top{
  position:absolute;left:0;right:0;top:0;z-index:20;
  display:flex;align-items:center;gap:8px;
  padding:calc(var(--dj-safe-t) + 8px) 12px 30px;
  background:linear-gradient(180deg,rgba(0,0,0,.55),rgba(0,0,0,0));
  pointer-events:none;
}
.dj-play-top .dj-top-btn,
.dj-play-top .dj-top-title,
.dj-play-top .dj-top-right{pointer-events:auto}
.dj-top-btn{
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:22px;padding:4px;min-width:32px;min-height:32px;
}
.dj-top-title{
  flex:1;text-align:left;font-size:var(--dj-fs-body);font-weight:600;
  text-shadow:0 1px 3px rgba(0,0,0,.5);
}
.dj-top-title #dj-ep-label{font-family:var(--dj-font-num);font-weight:700;letter-spacing:.3px}
.dj-top-right{display:flex;align-items:center;gap:2px}
/* 倍速按钮：无底色，靠 text-shadow / drop-shadow 保证亮画面下可读（与「第X集」标题一致） */
.dj-speed-btn{
  display:inline-flex;align-items:center;gap:5px;
  font-size:var(--dj-fs-cap);font-weight:600;
  padding:5px 11px;min-width:auto;
  text-shadow:0 1px 3px rgba(0,0,0,.5);
}
.dj-speed-ico{font-size:15px;color:rgba(255,255,255,.9);filter:drop-shadow(0 1px 3px rgba(0,0,0,.5))}
.dj-speed-btn span{font-family:var(--dj-font-num);font-variant-numeric:tabular-nums;letter-spacing:.3px}

/* ---------------- 卡内右侧竖操作栏 ---------------- */
.dj-rail{
  position:absolute;right:10px;z-index:6;
  bottom:calc(var(--dj-safe-b) + 128px);
  display:flex;flex-direction:column;align-items:center;gap:20px;
}
.dj-rail-btn{
  display:flex;flex-direction:column;align-items:center;gap:5px;
  color:#fff;font-size:31px;
  transition:transform .1s ease;
}
.dj-rail-btn .dj-icon{
  filter:drop-shadow(0 1px 3px rgba(0,0,0,.55));
}
/* 点赞：默认未激活（白心），点击后 .is-liked 变红并弹一下 */
.dj-like-btn .dj-icon{color:#fff;transition:color .15s ease,transform .2s ease}
.dj-like-btn.is-liked .dj-icon{color:var(--dj-like);animation:djLikePop .32s ease}
@keyframes djLikePop{0%{transform:scale(1)}40%{transform:scale(1.32)}100%{transform:scale(1)}}
.dj-rail-num{
  font-size:var(--dj-fs-micro);font-weight:700;color:#fff;
  font-family:var(--dj-font-num);letter-spacing:.2px;
  text-shadow:0 1px 2px rgba(0,0,0,.6);
}
.dj-rail-btn:active{transform:scale(.9)}

/* ---------------- 卡内左下剧集信息 ---------------- */
.dj-play-meta{
  position:absolute;left:12px;z-index:6;
  right:64px;
  bottom:calc(var(--dj-safe-b) + 128px);
  text-shadow:0 1px 3px rgba(0,0,0,.6);
}
.dj-drama-name{
  display:inline-block;font-size:var(--dj-fs-lead);font-weight:700;color:#fff;
  border:0;background:transparent;font-family:inherit;text-align:left;cursor:pointer;
  max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  /* 扩大点击热区(仅文字宽易点不中)：上下留 padding，负 margin 抵消视觉位移 */
  padding:6px 2px;margin:-6px -2px;
  position:relative;z-index:1;
}
.dj-hot-comment{
  margin-top:8px;display:flex;align-items:center;gap:6px;
  font-size:var(--dj-fs-cap);color:rgba(255,255,255,.9);
}
.dj-hot-comment .dj-icon{color:var(--dj-accent);font-size:15px;flex:none}
.dj-hot-comment span{
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ---------------- 卡内底部控制 ---------------- */
.dj-play-bottom{
  position:absolute;left:0;right:0;bottom:0;z-index:7;
  padding:34px 12px calc(var(--dj-safe-b) + 10px);
  background:linear-gradient(0deg,rgba(0,0,0,.66),rgba(0,0,0,0));
  /* 34px 透明 padding + 渐变层比剧名(.dj-play-meta z:6)更高，会吞掉剧名下半部点击。
     放行本层空白区，仅交互子元素接收指针事件(仿顶栏 .dj-play-top 做法)。 */
  pointer-events:none;
}
.dj-play-bottom .dj-seek-row,
.dj-play-bottom .dj-bottom-row{pointer-events:auto}
.dj-seek-row{
  display:flex;align-items:center;gap:9px;
  touch-action:pan-x;              /* 横拖为主，减少竖滑误判 */
}
.dj-time{
  font-size:var(--dj-fs-micro);color:rgba(255,255,255,.82);
  font-family:var(--dj-font-num);font-variant-numeric:tabular-nums;
  letter-spacing:.3px;min-width:36px;
}
.dj-time-dur{text-align:right}

/* range 进度条 */
.dj-seek{
  -webkit-appearance:none;appearance:none;
  flex:1;height:20px;background:transparent;margin:0;
  touch-action:pan-x;
}
.dj-seek::-webkit-slider-runnable-track{
  height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--dj-accent) 0%,var(--dj-accent) var(--dj-seek,0%),rgba(255,255,255,.28) var(--dj-seek,0%));
}
.dj-seek::-moz-range-track{height:3px;border-radius:3px;background:rgba(255,255,255,.28)}
.dj-seek::-moz-range-progress{height:3px;border-radius:3px;background:var(--dj-accent)}
.dj-seek::-webkit-slider-thumb{
  -webkit-appearance:none;appearance:none;
  width:12px;height:12px;border-radius:50%;background:#fff;
  margin-top:-4.5px;box-shadow:0 1px 3px rgba(0,0,0,.5);
}
.dj-seek::-moz-range-thumb{
  width:12px;height:12px;border:0;border-radius:50%;background:#fff;
}

.dj-bottom-row{
  margin-top:12px;display:flex;align-items:center;gap:10px;
}
.dj-drawer-open{
  flex:1;display:flex;align-items:center;justify-content:space-between;
  padding:11px 14px;border-radius:var(--dj-radius);
  background:rgba(255,255,255,.14);color:#fff;
  font-size:var(--dj-fs-body);font-weight:600;
}
.dj-drawer-open .dj-icon{font-size:18px;color:rgba(255,255,255,.85)}
.dj-fs-btn{
  display:flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--dj-radius);
  background:rgba(255,255,255,.14);color:#fff;font-size:20px;flex:none;
}

/* ---------------- 清屏态（容器级开关） ---------------- */
/* 一个 .is-clean 类挂在 .dj-play 上，靠后代选择器一次性隐藏所有卡的
   右侧栏 + 左下信息 + 进度行；顶栏、选集条、清屏按钮保留。 */
.dj-play.is-clean .dj-rail,
.dj-play.is-clean .dj-play-meta,
.dj-play.is-clean .dj-seek-row{
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .22s ease,visibility 0s linear .22s;
}
.dj-rail,.dj-play-meta,.dj-seek-row{transition:opacity .22s ease}
/* 清屏激活时按钮高亮（图标由 JS 在睁眼/闭眼间切换） */
.dj-play.is-clean .dj-fs-btn{background:rgba(255,46,99,.24);color:var(--dj-accent)}

/* ---------------- 选集/倍速抽屉（容器级单例浮层） ---------------- */
.dj-drawer{
  position:absolute;inset:0;z-index:40;
  visibility:hidden;
}
.dj-drawer.is-open{visibility:visible}
.dj-drawer-mask{
  position:absolute;inset:0;background:rgba(0,0,0,.5);
  opacity:0;transition:opacity .28s ease;
}
.dj-drawer.is-open .dj-drawer-mask{opacity:1}
.dj-drawer-panel{
  position:absolute;left:0;right:0;bottom:0;
  max-height:62%;
  display:flex;flex-direction:column;
  background:var(--dj-card);
  border-radius:var(--dj-radius-lg) var(--dj-radius-lg) 0 0;
  transform:translateY(100%);
  transition:transform .3s cubic-bezier(.22,.61,.36,1);
  padding-bottom:calc(var(--dj-safe-b) + 8px);
}
.dj-drawer.is-open .dj-drawer-panel{transform:translateY(0)}
.dj-drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 16px 12px;
}
.dj-drawer-title{font-size:var(--dj-fs-lead);font-weight:700;color:#fff}
.dj-drawer-title #dj-drawer-count{font-family:var(--dj-font-num);font-weight:700}
.dj-drawer-close{color:rgba(255,255,255,.7);font-size:22px;padding:4px}
.dj-drawer-grid{
  position:relative;                /* 作 .dj-ep-cell 的 offsetParent，令 offsetTop 相对网格自身 */
  padding:4px 16px 12px;overflow-y:auto;-webkit-overflow-scrolling:touch;
  display:grid;grid-template-columns:repeat(5,1fr);gap:10px;
}
.dj-ep-cell{
  display:flex;align-items:center;justify-content:center;
  height:46px;border-radius:var(--dj-radius-sm);
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.86);
  font-family:var(--dj-font-num);
  font-size:17px;font-weight:600;letter-spacing:.3px;
  position:relative;
}
.dj-ep-cell.is-active{
  background:rgba(255,46,99,.16);color:var(--dj-accent);
  box-shadow:inset 0 0 0 1.5px var(--dj-accent);
}
.dj-ep-cell:active{transform:scale(.94)}

/* 倍速抽屉 */
.dj-speed-list{
  padding:4px 8px 8px;
  display:flex;flex-direction:column;
}
.dj-speed-cell{
  display:flex;align-items:center;justify-content:space-between;
  width:100%;padding:14px 12px;border-radius:var(--dj-radius);
  color:rgba(255,255,255,.86);font-size:var(--dj-fs-lead);font-weight:600;
  font-family:var(--dj-font-num);letter-spacing:.3px;
  text-align:left;
}
.dj-speed-cell:active{background:rgba(255,255,255,.06)}
.dj-speed-cell.is-active{color:var(--dj-accent)}
.dj-speed-cell .dj-check{font-size:18px;opacity:0}
.dj-speed-cell.is-active .dj-check{opacity:1}

/* ---------------- 剧集详情浮层（从右滑入，播放器内单例） ---------------- */
/* 覆盖整个 .dj-play 视口，z 高于抽屉(40)；内容与独立详情页同源(DJ_PLAY)。 */
.dj-sheet{
  position:absolute;inset:0;z-index:50;
  overflow:hidden;
  visibility:hidden;
  /* 关闭时延迟隐藏，给面板向右滑出(.32s)留出可见时间；打开时立即可见(见 .is-open) */
  transition:visibility 0s linear .32s;
}
.dj-sheet.is-open{visibility:visible;transition:visibility 0s}
.dj-sheet-mask{
  position:absolute;inset:0;background:rgba(0,0,0,.5);
  opacity:0;transition:opacity .3s var(--dj-ease);
}
.dj-sheet.is-open .dj-sheet-mask{opacity:1}
.dj-sheet-panel{
  position:absolute;top:0;bottom:0;right:0;left:0;
  display:flex;flex-direction:column;
  background:var(--dj-bg);
  transform:translateX(100%);
  transition:transform .32s var(--dj-ease);
}
.dj-sheet.is-open .dj-sheet-panel{transform:translateX(0)}
/* 浮层沿用详情页 hero/main 外壳；仅顶栏保留浮层自己的返回按钮。 */
.dj-sheet-top{
  position:relative;z-index:2;
  display:flex;align-items:center;
  height:44px;padding:0 10px;
}
.dj-sheet-back{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:50%;
  color:#fff;font-size:22px;flex:none;
  filter:drop-shadow(0 1px 3px rgba(0,0,0,.5));
}
.dj-sheet-back:active{background:rgba(255,255,255,.14)}
/* 可滚动内容区 */
.dj-sheet-scroll{
  flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;
}
/* 浮层内容（封面/简介/剧集/选集网格）复用「详情内容片段」，其样式在 detail.css；
   播放页已加载 detail.css，此处不再重复定义（见 docs/adr/0005）。 */

/* 空态覆盖在黑底上 */
.dj-play .dj-empty{
  position:absolute;inset:0;z-index:2;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  color:rgba(255,255,255,.5);
}
.dj-play .dj-empty .dj-icon{color:rgba(255,255,255,.2);font-size:40px}

/* ---------------- 桌面切集箭头（容器级 fixed） ---------------- */
/* 移动端靠上下滑切集，箭头只在桌面断点显示。
   position:fixed 以视口定位，贴在居中手机框的右外侧，避开框内右栏。 */
.dj-ep-arrows{display:none}
@media (min-width:600px){
  .dj-ep-arrows{
    position:fixed;top:50%;transform:translateY(-50%);
    left:calc(50% + var(--dj-maxw)/2 + 18px);
    z-index:16;
    display:flex;flex-direction:column;gap:16px;
    transition:opacity .22s ease;
  }
  .dj-ep-arrow{
    display:flex;align-items:center;justify-content:center;
    width:48px;height:48px;border-radius:50%;
    background:rgba(255,255,255,.14);color:#fff;font-size:24px;
    transition:background .15s ease,transform .1s ease,opacity .15s ease;
  }
  .dj-ep-arrow:hover{background:rgba(255,255,255,.28)}
  .dj-ep-arrow:active{transform:scale(.92)}
  .dj-ep-arrow:disabled{opacity:.32;cursor:default;background:rgba(255,255,255,.08)}
}

@media (prefers-reduced-motion:reduce){
  .dj-drawer-panel,.dj-drawer-mask{transition-duration:.001ms}
  .dj-sheet-panel,.dj-sheet-mask{transition-duration:.001ms}
  .dj-sheet{transition-delay:0s}
  .dj-swipe-hint{animation:none}
  .dj-like-btn.is-liked .dj-icon{animation:none}
}