/* 夜浪 NightWave · 前端样式 */
:root{
  --pink:#ff2c6e;
  --cyan:#00e0ff;
  --bg:#000;
  --rail:rgba(255,255,255,.92);
  --safe-b:env(safe-area-inset-bottom,0px);
  --safe-t:env(safe-area-inset-top,0px);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%;margin:0;background:#000;color:#fff;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  overflow:hidden;user-select:none;-webkit-user-select:none}
button{font-family:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
input{font-family:inherit;outline:none}
#app{position:fixed;inset:0;overflow:hidden;background:#000}

/* ---------- 视图 ---------- */
.view{position:absolute;inset:0;display:none;flex-direction:column;background:#0a0a0c}
.view.active{display:flex}
#v-feed{background:#000}

/* ---------- 顶栏 ---------- */
.topbar{position:absolute;top:0;left:0;right:0;height:calc(52px + var(--safe-t));padding-top:var(--safe-t);
  display:flex;align-items:center;justify-content:space-between;z-index:30;
  background:linear-gradient(180deg,rgba(0,0,0,.55),rgba(0,0,0,0));pointer-events:none}
.topbar .tb-icon,.topbar .tabs{pointer-events:auto}
.tb-icon{width:46px;height:46px;display:flex;align-items:center;justify-content:center;color:#fff;
  filter:drop-shadow(0 1px 3px rgba(0,0,0,.5));position:relative}
.tb-icon.globe i{position:absolute;right:3px;bottom:7px;font-size:9px;font-style:normal;font-weight:700;
  color:#fff;background:rgba(255,255,255,.22);border-radius:5px;padding:0 3px;line-height:13px}
.tabs{display:flex;gap:26px;align-items:center;height:52px}
.tab{font-size:17px;font-weight:600;color:rgba(255,255,255,.62);position:relative;padding:0 2px;
  text-shadow:0 1px 3px rgba(0,0,0,.4);transition:color .2s}
.tab.active{color:#fff;font-weight:700}
.tab.active::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:-3px;
  width:22px;height:3px;border-radius:2px;background:#fff}

/* 声音提示 */
.sound-pill{position:absolute;top:calc(62px + var(--safe-t));left:50%;transform:translateX(-50%);
  display:flex;align-items:center;gap:6px;padding:7px 15px;border-radius:999px;
  background:rgba(22,24,28,.72);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  font-size:13px;color:#fff;z-index:26;border:1px solid rgba(255,255,255,.1)}
.sound-pill[hidden]{display:none}

/* ---------- 信息流 ---------- */
.feed-scroll{position:absolute;inset:0;overflow-y:scroll;scroll-snap-type:y mandatory;
  -webkit-overflow-scrolling:touch;scrollbar-width:none}
.feed-scroll::-webkit-scrollbar{display:none}
.slide{position:relative;height:100%;width:100%;scroll-snap-align:start;scroll-snap-stop:always;
  overflow:hidden;background:#000;display:flex;align-items:center;justify-content:center}
.slide video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:#000;z-index:2}
.slide.c-landscape video{object-fit:contain}
.slide .skeleton{position:absolute;inset:0;z-index:1;background-size:cover;background-position:center;
  filter:blur(18px) brightness(.5);transform:scale(1.06)}
.slide .v-grad{position:absolute;left:0;right:0;bottom:0;height:46%;z-index:3;pointer-events:none;
  background:linear-gradient(180deg,rgba(0,0,0,0),rgba(0,0,0,.55) 55%,rgba(0,0,0,.82))}
.slide .v-top{position:absolute;left:0;right:0;top:0;height:120px;z-index:3;pointer-events:none;
  background:linear-gradient(180deg,rgba(0,0,0,.45),rgba(0,0,0,0))}

/* 右侧操作栏 */
.rail{position:absolute;right:8px;bottom:calc(102px + var(--safe-b));z-index:8;
  display:flex;flex-direction:column;align-items:center;gap:19px;width:62px}
.rail-avatar{position:relative;width:48px;height:48px;margin-bottom:6px}
.rail-avatar .av{width:48px;height:48px;border-radius:50%;border:1.6px solid #fff;overflow:hidden;
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;letter-spacing:.5px;
  background:linear-gradient(135deg,#ff2c6e,#7a2cff);background-size:cover;background-position:center}
.rail-avatar .plus{position:absolute;left:50%;bottom:-11px;transform:translateX(-50%);width:21px;height:21px;
  border-radius:50%;background:var(--pink);color:#fff;font-size:15px;line-height:20px;text-align:center;font-weight:700;
  border:1.5px solid #000}
.rail-btn{display:flex;flex-direction:column;align-items:center;gap:3px;color:#fff;
  filter:drop-shadow(0 1px 4px rgba(0,0,0,.55))}
.rail-btn svg{display:block}
.rail-btn em{font-style:normal;font-size:12px;font-weight:600;letter-spacing:.2px;text-shadow:0 1px 2px rgba(0,0,0,.6)}
.rail-btn.on svg{color:var(--pink)}
.rail-btn.on .ico-fill{fill:var(--pink);stroke:var(--pink)}
.rail-disc{width:42px;height:42px;border-radius:50%;border:9px solid rgba(255,255,255,.14);
  background:linear-gradient(135deg,#333,#111);display:flex;align-items:center;justify-content:center;
  font-size:15px;color:#fff;animation:spin 6s linear infinite;animation-play-state:paused}
.slide.playing .rail-disc{animation-play-state:running}
@keyframes spin{to{transform:rotate(360deg)}}

/* 左下信息 */
.meta{position:absolute;left:14px;right:82px;bottom:calc(78px + var(--safe-b));z-index:8;
  display:flex;flex-direction:column;gap:9px;text-shadow:0 1px 3px rgba(0,0,0,.55)}
.meta .handle{display:flex;align-items:center;gap:8px;font-size:16.5px;font-weight:800;letter-spacing:.2px}
.meta .handle .follow-pill{padding:3px 11px;border:1px solid rgba(255,255,255,.7);border-radius:6px;
  font-size:12.5px;font-weight:600;background:rgba(255,44,110,.05)}
.meta .handle .follow-pill.followed{border-color:rgba(255,255,255,.3);color:rgba(255,255,255,.65)}
.meta .caption{font-size:14.5px;line-height:1.45;font-weight:500;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.meta .music{display:flex;align-items:center;gap:6px;font-size:12.5px;color:rgba(255,255,255,.86)}
.meta .music .note{animation:noteFloat 2.6s ease-in-out infinite}
@keyframes noteFloat{0%,100%{transform:translateX(0)}50%{transform:translateX(4px)}}

/* 播放/暂停 中心图标 */
.slide .paused-ico{position:absolute;z-index:6;width:74px;height:74px;border-radius:50%;
  background:rgba(0,0,0,.36);display:none;align-items:center;justify-content:center;backdrop-filter:blur(2px)}
.slide.paused .paused-ico{display:flex}
.slide .paused-ico::after{content:"";border-style:solid;border-width:14px 0 14px 22px;
  border-color:transparent transparent transparent #fff;margin-left:5px}
.slide .err-tip{position:absolute;z-index:7;left:50%;top:50%;transform:translate(-50%,-50%);
  background:rgba(0,0,0,.6);padding:10px 16px;border-radius:10px;font-size:13px;color:#ddd;display:none}
.slide.error .err-tip{display:block}

/* 双击爱心 */
.burst{position:absolute;z-index:9;pointer-events:none;font-size:76px;opacity:0;
  transform:scale(.4) rotate(-14deg);transition:transform .5s cubic-bezier(.2,1.6,.4,1),opacity .5s}
.burst.go{opacity:1;transform:scale(1) rotate(-14deg)}

/* 关注空态 */
.follow-empty{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;z-index:20;background:#000;color:#fff}
.follow-empty[hidden]{display:none}
.follow-empty .fe-ico{font-size:44px}
.follow-empty p{color:rgba(255,255,255,.72);font-size:14.5px;margin:0}
.fe-btn{padding:9px 22px;border-radius:999px;background:var(--pink);font-size:14px;font-weight:600}

.feed-loading{position:absolute;left:0;right:0;bottom:calc(70px + var(--safe-b));height:34px;z-index:25;
  display:none;align-items:center;justify-content:center;pointer-events:none}
.feed-loading.show{display:flex}
.feed-loading i{width:26px;height:26px;border-radius:50%;border:3px solid rgba(255,255,255,.25);
  border-top-color:#fff;animation:spin .8s linear infinite;display:block}

/* ---------- 底部导航 ---------- */
.tabbar{position:absolute;left:0;right:0;bottom:0;height:calc(58px + var(--safe-b));padding-bottom:var(--safe-b);
  display:flex;align-items:center;background:rgba(8,8,10,.94);backdrop-filter:blur(14px);
  border-top:1px solid rgba(255,255,255,.07);z-index:40}
.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;
  font-size:10.5px;color:rgba(255,255,255,.55);height:100%;justify-content:center}
.nav-item span{margin-top:1px}
.nav-item.active{color:#fff}
.nav-plus{flex:0 0 66px}
.plus-box{width:47px;height:30px;border-radius:9px;background:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 12px rgba(255,255,255,.22)}

/* ---------- 通用页面 ---------- */
.page{flex:1;overflow-y:auto;padding:calc(58px + var(--safe-t)) 14px calc(74px + var(--safe-b));-webkit-overflow-scrolling:touch}
.page-center{display:flex;align-items:center;justify-content:center}
.search-row{display:flex;align-items:center;gap:9px;background:#15171c;border:1px solid rgba(255,255,255,.08);
  border-radius:12px;padding:9px 12px;color:#8b8f9a}
.search-row input{flex:1;background:none;border:0;color:#fff;font-size:14.5px}
.search-row button{color:var(--pink);font-size:13.5px;font-weight:700}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0 4px}
.chip{padding:6px 14px;border-radius:999px;background:#16181e;color:rgba(255,255,255,.75);
  font-size:13px;border:1px solid rgba(255,255,255,.06)}
.chip.on{background:linear-gradient(90deg,#ff2c6e,#ff6a3d);color:#fff;border-color:transparent;font-weight:600}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:14px}
.card{position:relative;border-radius:12px;overflow:hidden;background:#111;aspect-ratio:9/14}
.card img{width:100%;height:100%;object-fit:cover;display:block}
.card .c-name{position:absolute;left:0;right:0;bottom:0;padding:20px 9px 8px;font-size:12.5px;line-height:1.35;
  background:linear-gradient(180deg,rgba(0,0,0,0),rgba(0,0,0,.85));
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card .c-dur{position:absolute;right:6px;top:6px;background:rgba(0,0,0,.55);border-radius:5px;
  padding:1px 5px;font-size:11px}
.empty{text-align:center;color:#6f7480;font-size:13.5px;padding:40px 0}

/* 直播 */
.live-card{background:linear-gradient(160deg,#191c22,#0d0f13);border:1px solid rgba(255,255,255,.07);
  border-radius:18px;padding:26px 20px;text-align:center;max-width:420px}
.live-badge{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:#ff8fae;
  background:rgba(255,44,110,.12);border-radius:999px;padding:5px 12px}
.live-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--pink);animation:pulse 1.4s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}
.live-card h3{margin:16px 0 8px;font-size:19px}
.live-card p{color:#8b8f9a;font-size:13.5px;line-height:1.6;margin:0}
.live-btn{margin-top:20px;padding:11px 26px;border-radius:999px;font-size:14px;font-weight:600;
  background:linear-gradient(90deg,#ff2c6e,#ff6a3d)}

/* 我的 */
.me-head{display:flex;align-items:center;gap:14px;padding:8px 2px 20px}
.me-av{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,#ff2c6e,#7a2cff);
  display:flex;align-items:center;justify-content:center;font-size:23px;font-weight:800}
.me-name{font-size:18px;font-weight:700}
.me-sub{font-size:12.5px;color:#82868f;margin-top:4px}
.me-stats{display:flex;gap:22px;padding:0 2px 18px;border-bottom:1px solid rgba(255,255,255,.06)}
.me-stats div{text-align:center}
.me-stats b{display:block;font-size:17px}
.me-stats span{font-size:11.5px;color:#82868f}
.me-tabs{display:flex;gap:22px;padding:16px 2px 10px;font-size:14px;color:#82868f}
.me-tabs button.on{color:#fff;font-weight:700}
.me-tabs button.on::after{content:"";display:block;width:20px;height:2.5px;background:var(--pink);
  margin:5px auto 0;border-radius:2px}
.auth-box{margin-top:8px}
.auth-box h3{font-size:17px;margin:0 0 14px}
.field{margin-bottom:11px}
.field input{width:100%;padding:12px 14px;border-radius:11px;background:#15171c;border:1px solid rgba(255,255,255,.08);
  color:#fff;font-size:14.5px}
.auth-btn{width:100%;padding:12px;border-radius:11px;font-size:15px;font-weight:700;margin-top:6px;
  background:linear-gradient(90deg,#ff2c6e,#ff6a3d)}
.auth-switch{text-align:center;font-size:13px;color:#82868f;margin-top:14px}
.auth-switch b{color:var(--pink)}
.me-logout{margin-top:20px;width:100%;padding:11px;border-radius:11px;font-size:14px;
  background:#1a1d23;border:1px solid rgba(255,255,255,.08);color:#e35}

/* ---------- 弹层 ---------- */
.sheet-wrap{position:fixed;inset:0;z-index:80;display:flex;align-items:flex-end}
.sheet-wrap[hidden]{display:none}
.sheet-mask{position:absolute;inset:0;background:rgba(0,0,0,.55)}
.sheet{position:relative;width:100%;background:#111318;border-radius:18px 18px 0 0;
  padding:16px 16px calc(16px + var(--safe-b));max-height:78vh;display:flex;flex-direction:column;
  animation:up .22s ease-out}
@keyframes up{from{transform:translateY(30px);opacity:.6}to{transform:translateY(0);opacity:1}}
.sheet-head{display:flex;align-items:center;gap:6px;font-size:13px;color:#9aa0ad;padding-bottom:12px;
  border-bottom:1px solid rgba(255,255,255,.06)}
.sheet-head b{color:#fff;font-size:14px}
.sheet-x{margin-left:auto;width:30px;height:30px;border-radius:50%;background:rgba(255,255,255,.08);
  font-size:13px;color:#ddd}
.sheet-x-row{display:flex;justify-content:flex-end}
.cm-list{flex:1;overflow-y:auto;min-height:120px;max-height:46vh;padding:6px 0}
.cm-item{display:flex;gap:10px;padding:10px 2px;border-bottom:1px solid rgba(255,255,255,.04)}
.cm-item .av{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,#ff2c6e,#7a2cff);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex:0 0 auto}
.cm-item .txt{font-size:13.5px;line-height:1.5}
.cm-item .who{font-size:11.5px;color:#82868f;margin-bottom:2px}
.cm-input{display:flex;gap:9px;padding-top:10px;border-top:1px solid rgba(255,255,255,.06)}
.cm-input input{flex:1;padding:10px 13px;border-radius:10px;background:#1a1d23;border:1px solid rgba(255,255,255,.07);
  color:#fff;font-size:14px}
.cm-input button{padding:0 18px;border-radius:10px;background:var(--pink);font-size:14px;font-weight:700}
.sheet-share{text-align:center}
.sheet-share h4{font-size:15.5px;margin:6px 0 16px;font-weight:600}
.qr-box{background:#fff;padding:11px;border-radius:14px;display:inline-block;margin:0 auto}
.qr-box canvas,.qr-box img{display:block;width:180px;height:180px}
.share-link{margin:16px 0 12px}
.share-link input{width:100%;padding:10px 12px;border-radius:10px;background:#1a1d23;
  border:1px solid rgba(255,255,255,.07);color:#9aa0ad;font-size:12px;text-align:center}
.share-btns{display:flex;gap:10px}
.share-btns button{flex:1;padding:11px;border-radius:11px;font-size:14px;font-weight:600;
  background:linear-gradient(90deg,#ff2c6e,#ff6a3d)}
.share-btns button+button{background:#1e222a;border:1px solid rgba(255,255,255,.08)}
.sheet-plus{gap:8px}
.plus-item{display:flex;align-items:center;gap:10px;padding:14px 16px;border-radius:12px;
  background:#181b21;font-size:14.5px;text-align:left}
.sheet-cancel{margin-top:8px;padding:13px;border-radius:12px;background:#181b21;font-size:14.5px}
.up-fields{display:flex;flex-direction:column;gap:10px;margin:4px 0 14px}
.up-fields input{padding:11px 13px;border-radius:10px;background:#1a1d23;border:1px solid rgba(255,255,255,.07);
  color:#fff;font-size:14px}

.toast{position:fixed;left:50%;bottom:calc(120px + var(--safe-b));transform:translateX(-50%) translateY(10px);
  background:rgba(30,33,40,.96);border:1px solid rgba(255,255,255,.1);color:#fff;font-size:13.5px;
  padding:9px 16px;border-radius:10px;opacity:0;pointer-events:none;transition:.24s;z-index:120;max-width:80vw;text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* 语言切换瞬时反馈 */
.lang-flash{position:fixed;inset:0;background:#000;z-index:200;display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:800;letter-spacing:2px;animation:fade .5s forwards}
@keyframes fade{0%{opacity:.9}100%{opacity:0}}

@media (max-width:360px){
  .rail{right:4px;gap:15px}
  .meta{right:74px}
}