/* =====================================================================
   YS Player 前台样式
   设计语言：深色影院风 + 蓝紫渐变强调色
   适配：桌面端(≥1024px) / 平板(768-1023px) / 移动端(<768px)
   ===================================================================== */

/* ---------------- 变量与基础 ---------------- */
:root {
    --bg: #0a0c12;
    --bg-2: #10131c;
    --card: #141824;
    --card-2: #1a2030;
    --line: rgba(255, 255, 255, .08);
    --text: #eef1f8;
    --dim: #8b93a7;
    --dim-2: #5c6478;
    --accent: #4f7cff;
    --accent-2: #8b5cf6;
    --grad: linear-gradient(135deg, #4f7cff, #8b5cf6);
    --ok: #22c55e;
    --danger: #ef4444;
    --r: 14px;
    --r-sm: 10px;
    --shadow: 0 12px 32px rgba(0, 0, 0, .4);
    --safe-b: env(safe-area-inset-bottom, 0px);
    --topbar-h: 60px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
        "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text);
    line-height: 1.65;
    background:
        radial-gradient(1100px 520px at 85% -8%, rgba(79, 124, 255, .13), transparent 60%),
        radial-gradient(800px 400px at -10% 10%, rgba(139, 92, 246, .08), transparent 55%),
        var(--bg);
    min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input, select { font: inherit; }
::selection { background: rgba(79, 124, 255, .45); }

/* 滚动条 */
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-thumb { background: #2a3145; border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: #38405a; }
::-webkit-scrollbar-track { background: transparent; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }
.page { padding-top: 26px; padding-bottom: 60px; }
.dim { color: var(--dim); }
.grad-text {
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ---------------- 按钮 ---------------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: var(--card-2);
    color: var(--text);
    font-size: 14px;
    transition: transform .15s, box-shadow .15s, border-color .15s, background .15s;
    white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); border-color: rgba(79, 124, 255, .5); }
.btn-primary { background: var(--grad); border: 0; color: #fff; box-shadow: 0 6px 18px rgba(79, 124, 255, .35); }
.btn-primary:hover { box-shadow: 0 8px 24px rgba(79, 124, 255, .5); }
.btn-ghost { background: transparent; }
.btn-danger { background: rgba(239, 68, 68, .12); border-color: rgba(239, 68, 68, .35); color: #fca5a5; }
.btn-danger:hover { border-color: var(--danger); }
.btn-lg { padding: 12px 28px; font-size: 16px; }
.btn-sm { padding: 4px 12px; font-size: 13px; }

/* ---------------- 顶栏 ---------------- */
.topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(10, 12, 18, .78);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
}
.topbar-inner {
    display: flex;
    align-items: center;
    gap: 22px;
    height: var(--topbar-h);
}
.brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 19px;
    font-weight: 700;
    letter-spacing: .3px;
    color: var(--text);
}
.brand svg { color: var(--accent); }
.brand em {
    font-style: normal;
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.topnav { display: flex; gap: 4px; }
.topnav a {
    padding: 7px 14px;
    border-radius: 999px;
    color: var(--dim);
    font-size: 15px;
    transition: color .15s, background .15s;
}
.topnav a:hover { color: var(--text); background: var(--card-2); }
.topnav a.active { color: #fff; background: var(--card-2); }
.topsearch {
    flex: 1;
    max-width: 360px;
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 14px;
    border-radius: 999px;
    background: var(--card);
    border: 1px solid var(--line);
    color: var(--dim);
    transition: border-color .15s;
}
.topsearch:focus-within { border-color: rgba(79, 124, 255, .55); }
.topsearch input {
    flex: 1;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--text);
    font-size: 14px;
}
.topsearch input::placeholder { color: var(--dim-2); }
.search-toggle { display: none; }

/* 移动端展开搜索条 */
.m-search { display: none; padding: 10px 20px 14px; }
.m-search form { display: flex; gap: 10px; }
.m-search input {
    flex: 1;
    padding: 10px 16px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: var(--card);
    color: var(--text);
    outline: 0;
}
.m-search button { padding: 10px 22px; border-radius: 999px; background: var(--grad); color: #fff; }

/* ---------------- Hero（仅桌面/平板） ---------------- */
.hero { text-align: center; padding: 46px 0 30px; }
.hero h1 { margin: 0 0 8px; font-size: 40px; letter-spacing: 1px; }
.hero p { margin: 0 0 26px; color: var(--dim); font-size: 15px; }
.hero-search {
    display: flex;
    max-width: 460px;
    margin: 0 auto;
    padding: 6px;
    border-radius: 999px;
    background: var(--card);
    border: 1px solid var(--line);
}
.hero-search:focus-within { border-color: rgba(79, 124, 255, .55); }
.hero-search input {
    flex: 1;
    min-width: 0;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--text);
    padding: 8px 16px;
    font-size: 15px;
}
.hero-search input::placeholder { color: var(--dim-2); }

/* ---------------- 分类筛选 ---------------- */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.chip {
    padding: 6px 15px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: var(--card);
    color: var(--dim);
    font-size: 13px;
    transition: all .15s;
}
.chip:hover { color: var(--text); border-color: rgba(79, 124, 255, .45); }
.chip.active {
    color: #fff;
    background: var(--grad);
    border-color: transparent;
    box-shadow: 0 4px 14px rgba(79, 124, 255, .3);
}

.section-head {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 16px;
}
.section-head h2 { margin: 0; font-size: 20px; }
.count { color: var(--dim); font-size: 13px; }

/* ---------------- 视频网格与卡片 ---------------- */
.vod-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
    gap: 18px;
}
.vod-card { display: block; }
.poster {
    position: relative;
    aspect-ratio: 2 / 3;
    border-radius: var(--r);
    overflow: hidden;
    background: linear-gradient(160deg, #1c2233, #121624);
    box-shadow: 0 6px 18px rgba(0, 0, 0, .3);
    transition: transform .2s, box-shadow .2s;
}
.poster img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .35s;
}
.vod-card:hover .poster { transform: translateY(-4px); box-shadow: var(--shadow); }
.vod-card:hover .poster img { transform: scale(1.05); }
.poster.noimg::after {
    content: attr(data-letter);
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    font-size: 44px;
    font-weight: 700;
    color: rgba(255, 255, 255, .35);
    background: linear-gradient(160deg, #232c44, #121624);
}
.poster.noimg.big::after { font-size: 64px; }
.badge {
    position: absolute;
    right: 8px;
    bottom: 8px;
    padding: 2px 9px;
    border-radius: 999px;
    background: rgba(0, 0, 0, .72);
    border: 1px solid rgba(255, 255, 255, .14);
    color: #fff;
    font-size: 11px;
    max-width: calc(100% - 16px);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.vod-card .meta { padding: 9px 2px 0; }
.vod-card .meta h3 {
    margin: 0;
    font-size: 14px;
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.vod-card .meta p { margin: 2px 0 0; color: var(--dim-2); font-size: 12px; }

/* ---------------- 空状态 / 加载更多 ---------------- */
.empty { text-align: center; padding: 70px 20px; color: var(--dim); }
.empty svg { margin: 0 auto 14px; color: var(--dim-2); }
.empty p { margin: 6px 0; }
.empty a { color: var(--accent); }
.loadmore-wrap { text-align: center; padding: 30px 0 10px; }

/* ---------------- 详情页 ---------------- */
.detail {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 34px;
    margin-bottom: 40px;
}
.detail-poster img, .detail-poster .poster {
    width: 100%;
    border-radius: var(--r);
    box-shadow: var(--shadow);
}
.detail-poster .poster { aspect-ratio: 2/3; }
.detail-info h1 { margin: 0 0 12px; font-size: 30px; line-height: 1.3; }
.detail-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 14px; }
.tag {
    padding: 3px 12px;
    border-radius: 999px;
    background: var(--card-2);
    border: 1px solid var(--line);
    color: var(--dim);
    font-size: 12px;
}
.tag.accent { color: #a5b8ff; border-color: rgba(79, 124, 255, .45); background: rgba(79, 124, 255, .1); }
.detail-info p.dim { margin: 4px 0; font-size: 14px; }
.detail-info p.dim b { color: var(--text); font-weight: 500; }
.detail-info .desc { margin: 14px 0 22px; color: #c3c9d8; font-size: 14px; }
.warn-text { color: var(--danger); }

.ep-section { margin-bottom: 40px; }
.sec-title { margin: 0 0 16px; font-size: 19px; }
.src-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.src-tab {
    padding: 6px 16px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: var(--card);
    color: var(--dim);
    font-size: 13px;
    transition: all .15s;
}
.src-tab:hover { color: var(--text); }
.src-tab.active { color: #fff; background: var(--grad); border-color: transparent; }
.ep-group { display: none; }
.ep-group.active { display: block; }
.ep-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
    gap: 10px;
}
.ep-chip {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px 6px;
    border-radius: var(--r-sm);
    background: var(--card);
    border: 1px solid var(--line);
    color: #cdd3e2;
    font-size: 13px;
    transition: all .15s;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.ep-chip:hover { border-color: rgba(79, 124, 255, .55); color: #fff; }
.ep-chip.active { background: var(--grad); border-color: transparent; color: #fff; box-shadow: 0 4px 14px rgba(79, 124, 255, .3); }

/* ---------------- 播放器页 ---------------- */
.player-page .page { padding-top: 18px; }
.player-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 330px;
    gap: 20px;
    align-items: start;
}
.player-wrap {
    position: relative;
    aspect-ratio: 16 / 9;
    background: #000;
    border-radius: var(--r);
    overflow: hidden;
    box-shadow: var(--shadow);
}
.player-wrap video { width: 100%; height: 100%; display: block; background: #000; }
.player-overlay {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    background: rgba(0, 0, 0, .72);
    backdrop-filter: blur(4px);
    z-index: 5;
}
.overlay-box { text-align: center; color: #fff; }
.overlay-box p { margin: 0 0 16px; font-size: 16px; }
.overlay-actions { display: flex; gap: 10px; justify-content: center; }

.player-meta { padding-top: 14px; }
.player-title-row { display: flex; align-items: center; gap: 12px; }
.player-title-row h1 { margin: 0; font-size: 22px; }
.player-title-row .badge { position: static; background: rgba(79, 124, 255, .15); border-color: rgba(79, 124, 255, .4); color: #a5b8ff; }
.now-playing { margin: 6px 0 12px; font-size: 13px; }
.player-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.auto-next { display: inline-flex; align-items: center; gap: 6px; color: var(--dim); font-size: 13px; cursor: pointer; }
.auto-next input { accent-color: var(--accent); }

/* 选集侧栏 */
.player-side {
    position: sticky;
    top: calc(var(--topbar-h) + 14px);
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--r);
    padding: 16px;
    max-height: calc(100vh - var(--topbar-h) - 40px);
    overflow-y: auto;
}
.side-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.side-head h3 { margin: 0; font-size: 16px; }
.side-close { display: none; font-size: 24px; color: var(--dim); line-height: 1; }

.ep-toggle { display: none; }

/* ---------------- M3U 直播页 ---------------- */
.m3u-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 14px; margin-bottom: 18px; }
.m3u-head h1 { margin: 0 0 4px; font-size: 30px; }
.m3u-head p { margin: 0; }
.m3u-tools { display: flex; gap: 12px; margin-bottom: 16px; }
.search-inline {
    flex: 1;
    max-width: 360px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 16px;
    border-radius: 999px;
    background: var(--card);
    border: 1px solid var(--line);
    color: var(--dim);
}
.search-inline:focus-within { border-color: rgba(79, 124, 255, .55); }
.search-inline input { flex: 1; border: 0; outline: 0; background: transparent; color: var(--text); font-size: 14px; }
.search-inline input::placeholder { color: var(--dim-2); }

.grp-tabs {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 10px;
    margin-bottom: 6px;
    scrollbar-width: thin;
}
.grp-tab {
    flex: 0 0 auto;
    padding: 7px 16px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: var(--card);
    color: var(--dim);
    font-size: 13px;
    white-space: nowrap;
    transition: all .15s;
}
.grp-tab:hover { color: var(--text); }
.grp-tab.active { color: #fff; background: var(--grad); border-color: transparent; }
.grp-tab small { opacity: .75; margin-left: 3px; }

.ch-list { margin-top: 6px; }
.ch-row {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 10px 14px;
    margin-bottom: 8px;
    border-radius: var(--r-sm);
    background: var(--card);
    border: 1px solid var(--line);
    cursor: pointer;
    transition: border-color .15s, background .15s;
}
.ch-row:hover { border-color: rgba(79, 124, 255, .5); background: var(--card-2); }
.ch-logo {
    width: 34px;
    height: 34px;
    flex: 0 0 34px;
    border-radius: 8px;
    object-fit: contain;
    background: var(--bg-2);
}
.ch-logo-placeholder {
    width: 34px;
    height: 34px;
    flex: 0 0 34px;
    border-radius: 8px;
    display: grid;
    place-items: center;
    font-size: 15px;
    font-weight: 700;
    color: rgba(255, 255, 255, .5);
    background: var(--bg-2);
}
.ch-row .ch-name { flex: 1; min-width: 0; font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ch-row .ch-group { color: var(--dim-2); font-size: 12px; flex: 0 0 auto; }
.ch-fav {
    flex: 0 0 auto;
    color: var(--dim-2);
    font-size: 17px;
    transition: color .15s;
    padding: 4px;
}
.ch-fav.on { color: #fbbf24; }

/* 常驻底部小窗播放器 */
.mini-player {
    position: fixed;
    right: 16px;
    bottom: 16px;
    z-index: 90;
    width: min(420px, calc(100vw - 32px));
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 12px 40px rgba(0, 0, 0, .5);
    display: flex;
    flex-direction: column;
}
.mini-video { position: relative; aspect-ratio: 16 / 9; background: #000; }
.mini-video video { width: 100%; height: 100%; display: block; background: #000; }
.mini-overlay {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    background: rgba(0, 0, 0, .6);
    color: #fff;
    font-size: 13px;
    text-align: center;
    padding: 10px;
    pointer-events: none;
}
.mini-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
}
.mini-title { flex: 1; min-width: 0; }
.mini-title h3 { margin: 0; font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mini-title p { margin: 2px 0 0; font-size: 11px; }
.mini-actions { display: flex; gap: 4px; flex: 0 0 auto; }
.mini-btn {
    width: 32px;
    height: 32px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    color: var(--text);
    font-size: 16px;
    line-height: 1;
}
.mini-btn:hover { background: var(--card-2); }
.mini-btn.on { color: #fbbf24; }

/* 收起态：只显示细条 */
.mini-player.min .mini-video { display: none; }
.mini-player.min { width: min(320px, calc(100vw - 32px)); }
.mini-player.min .mini-bar { padding: 8px 12px; }

/* 正在播放的频道高亮 */
.ch-row.playing { border-color: var(--accent); background: rgba(79, 124, 255, .08); }
.ch-row.playing .ch-name::after { content: ' ·●'; color: var(--accent); }

/* ---------------- 页脚 ---------------- */
.footer {
    border-top: 1px solid var(--line);
    padding: 26px 0 calc(26px + var(--safe-b));
    margin-top: 30px;
    text-align: center;
    color: var(--dim-2);
    font-size: 13px;
}
.footer p { margin: 4px 0; }
.footer .dim { color: var(--dim-2); }

/* ---------------- 移动端底部 Tab ---------------- */
.tabbar {
    display: none;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 60;
    background: rgba(13, 16, 24, .92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid var(--line);
    padding: 6px 8px calc(6px + var(--safe-b));
}
.tabbar a, .tabbar button {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    font-size: 11px;
    color: var(--dim);
}
.tabbar a:active, .tabbar button:active { color: var(--accent); }

/* ---------------- 平板 (768-1023px) ---------------- */
@media (max-width: 1023px) {
    .player-layout { grid-template-columns: 1fr; }
    .player-side { position: static; max-height: none; }
}

/* ---------------- 移动端 (<768px) ---------------- */
@media (max-width: 767px) {
    .container { padding: 0 14px; }
    .page { padding-top: 16px; padding-bottom: 76px; }

    /* 顶栏精简 */
    .topnav, .topsearch { display: none; }
    .search-toggle { display: flex; align-items: center; justify-content: center; width: 38px; height: 38px; color: var(--dim); }
    .topbar-inner { justify-content: space-between; gap: 8px; }
    .m-search.open { display: block; }

    /* 底部 Tab 显示 */
    .tabbar { display: flex; }

    /* Hero 隐藏 */
    .hero { display: none; }

    /* 网格：移动端 3 列（适配窄屏留白） */
    .vod-grid { grid-template-columns: repeat(3, 1fr); gap: 12px; }
    .vod-card .meta h3 { font-size: 12px; }
    .vod-card .meta p { font-size: 11px; }

    /* 详情页单列 */
    .detail { grid-template-columns: 1fr; gap: 18px; }
    .detail-poster { max-width: 220px; }
    .detail-info h1 { font-size: 24px; }
    .ep-grid { grid-template-columns: repeat(auto-fill, minmax(60px, 1fr)); gap: 8px; }

    /* 播放器页：选集折叠 */
    .player-title-row h1 { font-size: 18px; }
    .ep-toggle { display: inline-flex; margin-top: 12px; }
    .player-side {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        top: auto;
        z-index: 80;
        max-height: 58vh;
        border-radius: 18px 18px 0 0;
        border-bottom: 0;
        transform: translateY(105%);
        transition: transform .25s ease;
        box-shadow: 0 -12px 40px rgba(0, 0, 0, .55);
        padding-bottom: calc(16px + var(--safe-b));
    }
    .player-side.open { transform: translateY(0); }
    .side-close { display: block; }

    /* M3U 页 */
    .m3u-head h1 { font-size: 24px; }
    .m3u-tools { flex-wrap: wrap; }
    .search-inline { max-width: none; }

    /* 小窗播放器：移动端贴底全宽 */
    .mini-player {
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        border-radius: 16px 16px 0 0;
        border-left: 0;
        border-right: 0;
    }
    .mini-player.min { width: 100%; }
}

/* 小屏手机 (<380px) 两列 */
@media (max-width: 379px) {
    .vod-grid { grid-template-columns: repeat(2, 1fr); }
}