/* ===========================================================
   Video Player
   真实 <video> 驱动，交互逻辑见 assets/site/js/xpc-player.js
   状态类：is-playing / is-loading / is-idle / has-error / is-dragging
   =========================================================== */
.xpc-player {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: var(--radius-lg);
  overflow: hidden;
  user-select: none;
  outline: none;
}
.xpc-player:focus-visible { box-shadow: 0 0 0 2px var(--color-primary); }

/* 视频本体：contain 保证任何比例都不裁切画面 */
.xpc-player .xpc-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
  display: block;
  /* 点击画面即可播放/暂停，用指针形状提示可点 */
  cursor: pointer;
}

.xpc-player .poster { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.xpc-player .poster-fallback { position: absolute; inset: 0; background: linear-gradient(135deg,#1f1f25,#0c0c10); }

/* 中央播放按钮：播放中淡出，加载/错误时隐藏 */
.xpc-player .big-play {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
  width: 72px; height: 72px; border-radius: 50%; background: rgba(0,0,0,.55);
  border: 0; padding: 0;
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  transition: background .15s, transform .15s, opacity .2s;
  color: #fff;
}
.xpc-player .big-play:hover { background: var(--color-primary); transform: translate(-50%,-50%) scale(1.05); }
.xpc-player.is-playing .big-play { opacity: 0; pointer-events: none; }
.xpc-player.has-error .big-play { display: none; }
/* 点击画面时由 .xpc-flash 给反馈，避免中央两个图标叠在一起 */
.xpc-player.is-flashing .big-play { opacity: 0; pointer-events: none; }

/* 点击画面切换播放/暂停时的瞬时图标 */
.xpc-player .xpc-flash {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
  width: 72px; height: 72px; border-radius: 50%;
  background: rgba(0,0,0,.55);
  display: flex; align-items: center; justify-content: center;
  color: #fff; pointer-events: none; z-index: 2;
}
.xpc-player .xpc-flash[hidden] { display: none; }
.xpc-player .xpc-flash .i-pause { display: none; }
.xpc-player .xpc-flash.is-pause .i-play { display: none; }
.xpc-player .xpc-flash.is-pause .i-pause { display: block; }
.xpc-player .xpc-flash.is-on { animation: xpcFlash .6s ease-out forwards; }
@keyframes xpcFlash {
  0% { opacity: 0; transform: translate(-50%,-50%) scale(.82); }
  25% { opacity: 1; transform: translate(-50%,-50%) scale(1); }
  100% { opacity: 0; transform: translate(-50%,-50%) scale(1.08); }
}
@media (prefers-reduced-motion: reduce) {
  .xpc-player .xpc-flash.is-on { animation: none; opacity: 1; }
}

.xpc-player .center-msg { position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); text-align: center; color: #fff; }
.xpc-player .center-msg .title { font-size: var(--fs-lg); font-weight: var(--fw-semibold); margin-bottom: 8px; }
.xpc-player .center-msg .sub { font-size: var(--fs-sm); color: #c9c9c9; }
.xpc-player .lock-ico { width: 56px; height: 56px; border: 2px solid #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 12px; }

/* 错误 / 空源提示 */
.xpc-player .xpc-msg {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
  max-width: 78%;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  background: rgba(0,0,0,.68);
  color: #fff;
  font-size: var(--fs-sm);
  line-height: 1.7;
  text-align: center;
}
.xpc-player .xpc-msg[hidden] { display: none; }

/* 加载态 */
.xpc-player .xpc-spinner-wrap {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
  pointer-events: none;
}
.xpc-player .xpc-spinner-wrap[hidden] { display: none; }
.xpc-player .spinner { display: block; width: 46px; height: 46px; border: 4px solid rgba(255,255,255,.25); border-top-color: #fff; border-radius: 50%; animation: xpcSpin 1s linear infinite; }
@keyframes xpcSpin { to { transform: rotate(360deg); } }

/* 片段条：只有媒体资产配置了 clips 才出现 */
.xpc-player .xpc-segments {
  position: absolute; left: 14px; right: 14px; top: 12px;
  display: flex; gap: 8px; flex-wrap: wrap;
  z-index: 2;
}
.xpc-player .xpc-seg-chip {
  height: 28px; padding: 0 12px;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 999px;
  background: rgba(0,0,0,.45);
  color: #fff; font-size: var(--fs-xs); cursor: pointer;
  transition: background .15s, border-color .15s;
}
.xpc-player .xpc-seg-chip:hover { border-color: #fff; }
.xpc-player .xpc-seg-chip.is-active { background: var(--color-primary); border-color: var(--color-primary); }

/* 顶部标题渐变 */
.xpc-player .top-grad { position: absolute; left: 0; right: 0; top: 0; padding: 14px; background: linear-gradient(180deg,rgba(0,0,0,.55),transparent); color: #fff; opacity: 0; transition: opacity .2s; pointer-events: none; }
.xpc-player .top-grad[hidden] { display: none; }
.xpc-player:hover .top-grad, .xpc-player.is-idle .top-grad { opacity: 1; }

/* ---------- 控制条 ---------- */
.xpc-player .controls {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 0 14px 10px;
  background: linear-gradient(180deg,transparent,rgba(0,0,0,.78));
  opacity: 0; transition: opacity .2s;
}
.xpc-player:hover .controls,
.xpc-player:focus-within .controls,
.xpc-player.is-playing .controls,
.xpc-player.has-error .controls { opacity: 1; }
/* 播放中且长时间无操作：隐藏控制条，把画面让出来 */
.xpc-player.is-idle .controls { opacity: 0; }
.xpc-player.is-idle { cursor: none; }

.xpc-player .progress {
  position: relative; height: 4px; margin-bottom: 10px;
  background: rgba(255,255,255,.3); border-radius: 2px;
  cursor: pointer; touch-action: none;
}
.xpc-player .progress::before {
  /* 扩大点击热区，4px 高的进度条不好点 */
  content: ""; position: absolute; left: 0; right: 0; top: -7px; bottom: -7px;
}
.xpc-player .progress .buffered { position: absolute; left: 0; top: 0; bottom: 0; background: rgba(255,255,255,.25); border-radius: 2px; width: 0%; }
.xpc-player .progress .played { position: absolute; left: 0; top: 0; bottom: 0; background: var(--color-primary); border-radius: 2px; width: 0%; }
.xpc-player .progress .marks { position: absolute; left: 0; right: 0; top: 0; bottom: 0; pointer-events: none; }
.xpc-player .progress .marks i {
  position: absolute; top: -2px; bottom: -2px; display: block;
  background: rgba(255,255,255,.35);
  border-radius: 2px;
}
.xpc-player .progress .knob {
  position: absolute; top: 50%; transform: translate(-50%,-50%);
  width: 12px; height: 12px; border-radius: 50%; background: var(--c-panel);
  left: 0%; box-shadow: 0 0 4px rgba(0,0,0,.4);
}
.xpc-player .progress.is-dragging .knob { width: 14px; height: 14px; }
.xpc-player .xpc-tip {
  position: absolute; bottom: 16px; transform: translateX(-50%);
  padding: 2px 8px; border-radius: var(--radius-sm, 6px);
  background: rgba(0,0,0,.8); color: #fff;
  font-size: 11px; font-variant-numeric: tabular-nums;
  pointer-events: none; white-space: nowrap;
}
.xpc-player .xpc-tip[hidden] { display: none; }

/* 预览切片：悬停进度条时弹出的该时刻画面 */
.xpc-player .xpc-preview {
  position: absolute; bottom: 22px; left: 0;
  width: var(--xpc-preview-w, 160px);
  height: var(--xpc-preview-h, 90px);
  border-radius: var(--radius-md, 8px);
  overflow: hidden;
  background: #000 center / cover no-repeat;
  border: 1px solid rgba(255,255,255,.28);
  box-shadow: 0 6px 18px rgba(0,0,0,.45);
  pointer-events: none;
  z-index: 3;
}
.xpc-player .xpc-preview[hidden] { display: none; }
.xpc-player .xpc-preview canvas { display: block; width: 100%; height: 100%; }
.xpc-player .xpc-preview.is-sprite canvas { display: none; }
.xpc-player .xpc-preview.is-time-only {
  width: auto; height: auto; background: none; border: 0; box-shadow: none;
}
.xpc-player .xpc-preview.is-time-only canvas { display: none; }
.xpc-player .xpc-preview.is-time-only .xpc-preview-time {
  position: static;
  padding: 2px 8px;
  border-radius: var(--radius-sm, 6px);
  background: rgba(0,0,0,.8);
}
.xpc-player .xpc-preview-time {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 2px 0;
  text-align: center;
  font-size: 11px; line-height: 1.6;
  color: #fff; background: rgba(0,0,0,.62);
  font-variant-numeric: tabular-nums;
}

.xpc-player .ctrl-row { display: flex; align-items: center; gap: 12px; color: #fff; }
.xpc-player .ctrl-row .spacer { flex: 1; }
.xpc-player .ctrl-btn {
  color: #fff; background: none; border: 0; padding: 0;
  display: flex; align-items: center; gap: 6px;
  font-size: var(--fs-sm); cursor: pointer;
  font-variant-numeric: tabular-nums;
}
.xpc-player .ctrl-btn svg { fill: #fff; }
.xpc-player .ctrl-btn:hover { color: var(--color-primary); }
.xpc-player .ctrl-btn:hover svg { fill: var(--color-primary); }

/* 播放/暂停图标随状态切换 */
.xpc-player .ctrl-btn .i-pause { display: none; }
.xpc-player.is-playing .ctrl-btn[data-player-toggle] .i-play { display: none; }
.xpc-player.is-playing .ctrl-btn[data-player-toggle] .i-pause { display: block; }

.xpc-player .time { font-size: var(--fs-xs); color: #ddd; font-variant-numeric: tabular-nums; }
.xpc-player .xpc-quality {
  font-size: var(--fs-xs); color: #fff; line-height: 18px;
  padding: 1px 6px; border: 1px solid rgba(255,255,255,.4); border-radius: 4px;
}

/* 音量：悬停展开滑块 */
.xpc-player .xpc-volume { display: flex; align-items: center; gap: 6px; }
.xpc-player .xpc-volume-range {
  width: 0; opacity: 0; transition: width .18s, opacity .18s;
  accent-color: var(--color-primary); cursor: pointer;
}
.xpc-player .xpc-volume:hover .xpc-volume-range,
.xpc-player .xpc-volume-range:focus { width: 72px; opacity: 1; }
.xpc-player .ctrl-btn.is-muted svg { opacity: .45; }

/* 倍速菜单 */
.xpc-player .xpc-rate { position: relative; display: flex; align-items: center; }
.xpc-player .xpc-menu {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
  min-width: 68px; padding: 4px;
  background: rgba(0,0,0,.86); border-radius: var(--radius-md);
  display: flex; flex-direction: column; gap: 2px;
}
.xpc-player .xpc-menu[hidden] { display: none; }
.xpc-player .xpc-menu button {
  background: none; border: 0; color: #fff; cursor: pointer;
  padding: 5px 10px; border-radius: var(--radius-sm, 6px);
  font-size: var(--fs-xs); text-align: left;
}
.xpc-player .xpc-menu button:hover { background: rgba(255,255,255,.14); }
.xpc-player .xpc-menu button.is-active { color: var(--color-primary); }

/* 全屏时保持 16:9 撑满 */
.xpc-player:fullscreen { border-radius: 0; aspect-ratio: auto; height: 100%; }
.xpc-player:-webkit-full-screen { border-radius: 0; }

@media (max-width: 720px) {
  .xpc-player .big-play { width: 58px; height: 58px; }
  .xpc-player .ctrl-row { gap: 9px; }
  .xpc-player .xpc-quality { display: none; }
  .xpc-player .xpc-volume-range { display: none; }
}