/* ============================================================
 * 自绘播放器皮肤（player-ui.js 配套样式）
 * 毛玻璃胶囊控制条，仿 YouTube / Video.js 主页风格
 * 注意：本文件须在页面内播放器外壳之前生效
 * ============================================================ */

.player-box {
    position: relative;
}

/* 播放器外壳：占满 .player-box（16:9），圆角由外层裁切 */
/* 移动端点击时的蓝色高亮遮罩：整站播放器区域去掉，避免影响观看 */
.player-shell,
.player-shell * {
    -webkit-tap-highlight-color: transparent;
    tap-highlight-color: transparent;
}
.player-shell {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border-radius: 12px;
    overflow: hidden;
    background: #000;
    color: #fff;
    cursor: pointer;
    -webkit-user-select: none;
    user-select: none;
}
/* 画面底部暗渐变：保证暗场/黑色视频时控制条仍有明显边界可见 */
.player-shell::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 120px;
    z-index: 3;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.72) 0%, rgba(0, 0, 0, 0.35) 55%, transparent 100%);
    pointer-events: none;
}
.player-shell .player-frame {
    width: 100%;
    height: 100%;
    display: block;
    background: #000;
}

/* ============================================================
 * 中央播放按钮（未播放时显示）
 * ============================================================ */
.pc-big {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 66px;
    height: 66px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: rgba(20, 20, 20, 0.55);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    cursor: pointer;
    z-index: 3;
    transition: transform 0.15s ease, background 0.2s ease, opacity 0.25s ease, visibility 0.25s ease;
}
.pc-big svg {
    width: 34px;
    height: 34px;
    fill: #fff;
}
.pc-big:hover {
    transform: translate(-50%, -50%) scale(1.08);
    background: rgba(20, 20, 20, 0.75);
}
/* 画面承接键盘焦点时不显示焦点框 */
.player-shell video.player-frame:focus {
    outline: none;
}
.player-shell.pc-playing .pc-big {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* ============================================================
 * 底部毛玻璃胶囊控制条
 * ============================================================ */
.pc-bar {
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: 12px;
    z-index: 4;
    display: flex;
    align-items: center;
    gap: 2px;
    height: 46px;
    padding: 0 10px;
    box-sizing: border-box;
    border-radius: 23px;
    background: rgba(18, 18, 18, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.08);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
    backdrop-filter: blur(20px) saturate(160%);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.55);
    color: #fff;
    transition: opacity 0.25s ease, transform 0.25s ease;
}
.player-shell.pc-idle .pc-bar {
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
}
/* 全屏播放中控制条自动隐藏后，鼠标光标也一并隐藏（YouTube 式）；
   光标一动会触发 mousemove 移除 pc-idle，自动恢复显示 */
.player-shell.pc-fs.pc-idle {
    cursor: none;
}

/* 控制条里的按钮：统一定宽高 + flex 居中，保证一行垂直对齐 */
.pc-bar .pc-btn {
    flex: 0 0 auto;
    width: 36px;
    height: 36px;
    padding: 0;
    margin: 0;
    border: 0;
    background: transparent;
    color: #fff;
    border-radius: 50%;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s ease;
}
.pc-bar .pc-btn:hover {
    background: rgba(255, 255, 255, 0.14);
}
.pc-bar .pc-btn svg {
    width: 22px;
    height: 22px;
    fill: #fff;
    display: block;
}

/* ============================================================
 * 时间显示
 * ============================================================ */
.pc-bar .pc-time {
    flex: 0 0 auto;
    font-size: 12.5px;
    line-height: 46px;
    color: rgba(255, 255, 255, 0.92);
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.2px;
    padding: 0 4px;
}
.pc-bar .pc-cur {
    min-width: 34px;
    text-align: center;
}
.pc-bar .pc-total {
    min-width: 44px;
    text-align: left;
}
.pc-bar .pc-total.pc-live {
    color: #ff4d4f;
    font-weight: 600;
}

/* ============================================================
 * 进度条（可点击区域高、视觉细）
 * ============================================================ */
.pc-track {
    flex: 1 1 auto;
    height: 20px;
    min-width: 40px;
    margin: 0 8px;
    position: relative;
    display: flex;
    align-items: center;
    cursor: pointer;
    touch-action: none;
}
.pc-track .pc-track-bg,
.pc-track .pc-track-loaded,
.pc-track .pc-track-played {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 4px;
    border-radius: 3px;
    pointer-events: none;
    transition: height 0.12s ease;
}
.pc-track .pc-track-bg {
    right: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.32);
}
/* 进度/缓冲条：固定满宽 + scaleX 缩放（只走合成，不触发重排，移动端更省 CPU） */
.pc-track .pc-track-loaded {
    background: rgba(255, 255, 255, 0.5);
    width: 100%;
    transform: translateY(-50%) scaleX(0);
    transform-origin: left center;
}
.pc-track .pc-track-played {
    background: #fff;
    width: 100%;
    transform: translateY(-50%) scaleX(0);
    transform-origin: left center;
}
.pc-track .pc-track-dot {
    position: absolute;
    top: 50%;
    left: 0;
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: #fff;
    transform: translate(-50%, -50%);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.12s ease;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}
.pc-track:hover .pc-track-dot,
.pc-track.pc-drag .pc-track-dot {
    opacity: 1;
}
.pc-track:hover .pc-track-bg,
.pc-track:hover .pc-track-loaded,
.pc-track:hover .pc-track-played {
    height: 6px;
}
.pc-track.pc-live {
    cursor: default;
}

/* ============================================================
 * 音量
 * ============================================================ */
.pc-vol {
    position: relative;
    display: flex;
    align-items: center;
    flex: 0 0 auto;
    border-radius: 18px;
    transition: background 0.15s ease;
}
.pc-vol:hover {
    background: rgba(255, 255, 255, 0.14);
}
.pc-vol-range {
    -webkit-appearance: none;
    appearance: none;
    width: 0;
    height: 4px;
    margin: 0;
    opacity: 0;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.3);
    outline: none;
    cursor: pointer;
    transition: width 0.18s ease, opacity 0.18s ease;
}
.pc-vol:hover .pc-vol-range {
    width: 66px;
    opacity: 1;
    margin-right: 10px;
}
.pc-vol-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #fff;
    cursor: pointer;
    border: 0;
}
.pc-vol-range::-moz-range-thumb {
    width: 12px;
    height: 12px;
    border: 0;
    border-radius: 50%;
    background: #fff;
    cursor: pointer;
}

/* ============================================================
 * 全屏状态：取消圆角、铺满屏幕
 * ============================================================ */
.player-shell.pc-fs {
    border-radius: 0 !important;
}

/* 网页全屏（iOS 兜底）：外壳 fixed 铺满视口，自绘控制条继续可用 */
.player-shell.pc-webfs {
    position: fixed;
    inset: 0;
    z-index: 99999;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    border-radius: 0;
    background: #000;
}
body.pc-webfs-open {
    overflow: hidden;
}
/* 控制条避开 iPhone 底部小黑条 */
.player-shell.pc-webfs .pc-bar {
    bottom: calc(12px + env(safe-area-inset-bottom, 0px));
}

/* iOS 专用：右上角"用系统播放器全屏"按钮（跟随控制条一起淡入淡出） */
.pc-nativefs {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 6;
    width: 36px;
    height: 36px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: rgba(12, 12, 12, 0.55);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: opacity 0.25s ease, background 0.15s ease;
    touch-action: manipulation;
}
.pc-nativefs svg {
    width: 20px;
    height: 20px;
    fill: #fff;
    display: block;
}
.pc-nativefs:hover {
    background: rgba(20, 20, 20, 0.78);
}
.player-shell.pc-idle .pc-nativefs {
    opacity: 0;
    pointer-events: none;
}
/* 网页全屏时避开刘海 / 灵动岛 */
.player-shell.pc-webfs .pc-nativefs {
    top: calc(12px + env(safe-area-inset-top, 0px));
}
@media (hover: none) {
    .pc-nativefs {
        background: rgba(12, 12, 12, 0.72);
        -webkit-backdrop-filter: none;
        backdrop-filter: none;
    }
}

/* 视频画面保持原始比例居中显示（4:3 / 21:9 / 竖屏等不会被拉伸变形） */
.player-shell video.player-frame {
    object-fit: contain;
}

/* ============================================================
 * 窄屏 / 小尺寸适配
 * ============================================================ */
@media (max-width: 640px) {
    .pc-bar {
        height: 44px;
        left: 8px;
        right: 8px;
        bottom: 8px;
        padding: 0 6px;
        border-radius: 22px;
    }
    .pc-bar .pc-btn {
        width: 34px;
        height: 34px;
    }
    .pc-bar .pc-btn svg {
        width: 20px;
        height: 20px;
    }
    .pc-bar .pc-time {
        line-height: 44px;
        font-size: 11.5px;
    }
    .pc-big {
        width: 56px;
        height: 56px;
    }
    .pc-big svg {
        width: 26px;
        height: 26px;
    }
}

/* 极窄播放器（手机竖屏、侧栏小窗等）：压缩固定项，保证进度条不溢出 */
@media (max-width: 400px) {
    .pc-bar {
        padding: 0 4px;
        gap: 1px;
    }
    .pc-bar .pc-time {
        padding: 0 2px;
        font-size: 11px;
    }
    .pc-bar .pc-cur {
        min-width: 30px;
    }
    .pc-bar .pc-total {
        min-width: 34px;
    }
    .pc-track {
        margin: 0 4px;
        min-width: 24px;
    }
}

/* ============================================================
 * 触屏设备适配：无 hover 时音量条常显，可直接拖动调节
 * ============================================================ */
@media (hover: none) {
    .pc-vol-range {
        width: 56px;
        opacity: 1;
        margin-right: 10px;
    }
    /* 触屏设备关闭毛玻璃：backdrop-filter 在手机上 GPU 开销大，
       是播放卡顿的常见原因，改用实色背景保证流畅 */
    .pc-bar {
        -webkit-backdrop-filter: none;
        backdrop-filter: none;
        background: rgba(18, 18, 18, 0.88);
    }
    .pc-big {
        -webkit-backdrop-filter: none;
        backdrop-filter: none;
        background: rgba(20, 20, 20, 0.7);
    }
    /* 按钮去掉双击缩放等待，点击响应更跟手 */
    .pc-bar .pc-btn,
    .pc-big {
        touch-action: manipulation;
    }
}

/* ============================================================
 * 视频加载失败提示（player-ui.js 注入 .pc-error）
 * ============================================================ */
.pc-error {
    position: absolute;
    inset: 0;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    text-align: center;
    font-size: 14px;
    line-height: 1.7;
    color: #fff;
    background: rgba(0, 0, 0, 0.55);
    pointer-events: none;
    box-sizing: border-box;
}