/* ==========================================================================
   一起看 · 样式
   设计基线对齐 A:/软件(借放)/一起看/index.html：
   同一套色板（iOS 系统色）、同一套圆角/阴影配方、同一套过渡曲线。
   ========================================================================== */

*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
:root{
  --blue:#007AFF; --green:#34C759; --red:#FF3B30; --orange:#FF9500;
  --pink:#FB7299; --pink-deep:#F25D8E;
  --bg:#F2F2F7; --bg-nav:rgba(249,249,249,.86); --card:#FFFFFF;
  --label:rgba(0,0,0,.92); --label2:rgba(60,60,67,.6); --label3:rgba(60,60,67,.3);
  --sep:rgba(60,60,67,.22); --fill:rgba(118,118,128,.12); --fill2:rgba(118,118,128,.18);
  --dark:#0C0C10; --dark2:#15151B;
  --ease:cubic-bezier(.32,.72,0,1);
}
html,body{min-height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--label);-webkit-font-smoothing:antialiased;
}
button,input,textarea{font:inherit;font-family:inherit}
button{cursor:pointer;border:0;background:none;color:inherit}
button:disabled{cursor:not-allowed;opacity:.4}
input{background:none;border:0;outline:0;color:inherit}

/* z-index 让页面内容压在「推入」的影子之上（影子 z-index:1），
   而「淡出/滑走」的影子给到 40，又压在页面之上。 */
#app{min-height:100vh;width:100%;max-width:1100px;margin:0 auto;display:flex;flex-direction:column;overflow-x:clip;position:relative;z-index:2}

/* ============ 导航栏（大标题收起） ============ */
.topbar{
  position:sticky;top:0;z-index:20;background:transparent;
  border-bottom:1px solid transparent;
  transition:background .25s,border-color .25s;
}
.topbar.stuck{background:var(--bg-nav);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);border-bottom-color:var(--sep)}
.topbar-inner{height:56px;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:0 16px}
.topbar strong{
  font-size:17px;font-weight:600;letter-spacing:-.2px;
  opacity:0;transition:opacity .2s;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.topbar.stuck strong{opacity:1}
.icon-btn{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  color:var(--label);margin-right:-8px;flex-shrink:0;
  transition:transform .16s,opacity .16s;
}
.icon-btn:active{transform:scale(.86);opacity:.4}
.text-btn{color:var(--pink);font-weight:600;font-size:17px}
.text-btn:active{opacity:.5}

/* ============ 滚动区 / 大标题 ============ */
/* 内容区给个不透明底：推入新页面时它要盖住底下的影子。 */
.scroll-body{flex:1;width:100%;max-width:960px;margin:0 auto;padding:6px 16px 40px;background:var(--bg)}
.scroll-body h1{font-size:34px;font-weight:700;letter-spacing:.2px;line-height:1.15;margin:0 0 20px}
.title-dot{color:var(--pink)}

/* ============ 首页 ============ */
.search{
  width:100%;height:36px;border-radius:10px;background:var(--fill);
  display:flex;align-items:center;gap:6px;padding:0 10px;
  color:var(--label2);font-size:16px;text-align:left;margin-bottom:18px;
}
.quick-row{display:flex;gap:10px;margin-bottom:26px}
.quick{
  flex:1;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;gap:7px;
  font-size:15.5px;font-weight:600;letter-spacing:-.2px;background:var(--card);color:var(--label);
  box-shadow:0 1px 2px rgba(0,0,0,.04),0 4px 12px -7px rgba(0,0,0,.18);
  transition:transform .16s,opacity .16s;
}
.quick:active{transform:scale(.97);opacity:.88}
.quick.primary{background:linear-gradient(135deg,#FF9DB9 0%,var(--pink) 58%,#EF5C8B 100%);color:#fff;box-shadow:0 6px 16px -7px rgba(251,114,153,.7)}

.section-title{display:flex;align-items:baseline;justify-content:space-between;margin:0 0 12px}
.section-title h2{font-size:19px;font-weight:700;letter-spacing:-.3px}
.section-title small{font-size:13px;color:var(--label3)}
.bottom-title{margin-top:34px}

.card-track{display:flex;gap:12px;overflow-x:auto;padding:2px 0 22px;scroll-snap-type:x mandatory;scrollbar-width:none}
.card-track::-webkit-scrollbar{display:none}
.room-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(236px,1fr));gap:14px}
.room-card{
  flex-shrink:0;width:236px;border-radius:16px;overflow:hidden;background:var(--card);
  text-align:left;padding:0;scroll-snap-align:start;
  box-shadow:0 1px 2px rgba(0,0,0,.04),0 5px 16px -9px rgba(0,0,0,.16);
  transition:transform .16s;
}
.room-grid .room-card{width:100%}
.room-card:active{transform:scale(.972)}
.cover{position:relative;height:132px;display:block;overflow:hidden}
.cover-image{width:100%;height:100%;object-fit:cover}
.cover:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.12),rgba(0,0,0,.42));pointer-events:none}
.cover-play{
  position:absolute;z-index:2;top:50%;left:50%;transform:translate(-50%,-50%);
  width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.9);
  display:grid;place-items:center;box-shadow:0 4px 14px rgba(0,0,0,.28);color:#1a1a1a;
}
.live-pill{
  position:absolute;top:9px;left:9px;z-index:2;display:flex;align-items:center;gap:4px;
  height:22px;padding:0 8px;border-radius:11px;background:rgba(0,0,0,.55);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  color:#fff;font-size:11px;font-weight:600;
}
.live-dot{width:6px;height:6px;border-radius:50%;background:var(--green);flex-shrink:0;animation:pulse 1.8s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(52,199,89,.6)}70%{box-shadow:0 0 0 7px rgba(52,199,89,0)}100%{box-shadow:0 0 0 0 rgba(52,199,89,0)}}
.card-info{display:flex;flex-direction:column;gap:6px;padding:11px 13px 13px}
.card-info strong{
  font-size:15px;font-weight:600;line-height:1.35;letter-spacing:-.2px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-info small{font-size:12px;color:var(--label2);overflow:hidden;white-space:nowrap;text-overflow:ellipsis}

.empty{
  background:var(--card);border-radius:16px;padding:56px 24px;text-align:center;color:var(--label3);
  display:flex;flex-direction:column;align-items:center;
  box-shadow:0 1px 2px rgba(0,0,0,.04),0 4px 14px -10px rgba(0,0,0,.16);
}
.empty-icon{display:grid;place-items:center;margin-bottom:14px;color:var(--label3);opacity:.5}
.empty strong{font-size:16px;font-weight:600;color:var(--label2)}
.empty span:last-child{font-size:13px;margin-top:6px;line-height:1.5}
.empty.small{padding:34px 22px}
.empty.small .empty-icon{margin-bottom:10px}

.steps{border-radius:12px;background:var(--card);overflow:hidden;box-shadow:0 1px 2px rgba(0,0,0,.04),0 4px 14px -10px rgba(0,0,0,.16)}
.steps div{padding:13px 14px;border-bottom:1px solid var(--sep);display:flex;gap:16px;align-items:center;color:var(--label2);font-size:14px}
.steps div:last-child{border-bottom:0}
.steps b{font-size:13px;color:var(--pink)}

/* ============ Tab Bar ============ */
.tabbar{
  display:flex;position:sticky;bottom:0;z-index:30;
  background:rgba(249,249,249,.9);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
  border-top:1px solid var(--sep);
  padding:8px 0 max(14px,env(safe-area-inset-bottom,0));
}
.tab{
  flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;
  font-size:10px;font-weight:500;color:var(--label3);letter-spacing:.1px;transition:color .15s;
}
.tab.selected{color:var(--pink)}
.tab:active{opacity:.6}

/* ============ 表单页 ============ */
.intro{margin:-10px 0 24px;color:var(--label2);font-size:15px;line-height:1.55}
.form-page{max-width:670px}
.group-label{
  display:block;font-size:13px;font-weight:500;color:var(--label2);
  margin:0 0 7px;padding-left:2px;text-transform:uppercase;letter-spacing:.4px;
}
.form-line,.form-group,.video-preview{background:var(--card);border-radius:12px;overflow:hidden}
.form-line{display:flex;align-items:center;gap:8px;height:50px;padding:0 14px;margin-bottom:22px}
.form-line input{flex:1;min-width:0;font-size:16px}
.form-line input::placeholder{color:var(--label3)}
.form-line button{color:var(--pink);font-weight:500;font-size:15px;white-space:nowrap}
.form-line button:active{opacity:.5}
.helper{font-size:12px;color:var(--label3);margin:8px 2px 24px}

.setting{min-height:56px;padding:12px 14px;border-bottom:1px solid var(--sep);display:flex;align-items:center;justify-content:space-between;gap:10px;position:relative}
.setting:last-child{border-bottom:0}
.setting span{font-size:16px;letter-spacing:-.2px}
.setting small{display:block;font-size:12px;color:var(--label3);margin-top:2px}
.setting input:not([type=checkbox]){text-align:right;min-width:0;max-width:65%;color:var(--label2);font-size:16px}
.setting input[type=checkbox]{
  appearance:none;-webkit-appearance:none;position:relative;width:51px;height:31px;border-radius:16px;
  background:var(--fill2);flex-shrink:0;transition:background .25s;cursor:pointer;
}
.setting input[type=checkbox]:checked{background:var(--green)}
.setting input[type=checkbox]:after{
  content:"";position:absolute;top:2px;left:2px;width:27px;height:27px;border-radius:50%;background:#fff;
  box-shadow:0 3px 8px rgba(0,0,0,.15),0 1px 1px rgba(0,0,0,.16);transition:transform .25s var(--ease);
}
.setting input[type=checkbox]:checked:after{transform:translateX(20px)}

.submit-btn{
  width:100%;height:50px;border-radius:14px;font-size:17px;font-weight:600;color:#fff;
  background:linear-gradient(135deg,#FF9DB9 0%,var(--pink) 58%,#EF5C8B 100%);
  box-shadow:0 6px 16px -7px rgba(251,114,153,.7);margin-top:22px;
  transition:transform .15s,opacity .15s;
}
.submit-btn:active:not(:disabled){transform:scale(.98);opacity:.9}

.video-preview{
  display:flex;gap:13px;align-items:center;padding:12px 13px;margin:0 0 22px;border-radius:16px;
  box-shadow:0 1px 2px rgba(0,0,0,.04),0 8px 22px -14px rgba(0,0,0,.18);
  animation:rise .35s var(--ease);
}
@keyframes rise{from{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:none}}
.video-preview img,.video-preview .mock-cover{width:100px;height:64px;object-fit:cover;border-radius:9px;flex-shrink:0}
.video-preview .mock-cover{background:linear-gradient(135deg,#7C5CBF,#C9A0DC)}
.video-preview strong{display:block;font-size:15px;font-weight:600;line-height:1.4;letter-spacing:-.2px}
.video-preview small{font-size:12px;color:var(--label2)}

/* ============ 我的 ============ */
.profile{display:flex;align-items:center;gap:15px;padding:6px 2px 24px}
.profile strong{display:block;font-size:22px;font-weight:700;letter-spacing:-.3px}
.profile small{display:block;font-size:13px;color:var(--label2);margin-top:4px}
.avatar{width:var(--size);height:var(--size);flex:0 0 var(--size);display:inline-grid;place-items:center;border-radius:50%;color:#fff;font-size:calc(var(--size)*.43);font-weight:600}

.avatar-btn{position:relative;padding:0;line-height:0;border-radius:50%;flex-shrink:0;transition:.16s}
.avatar-btn .avatar{box-shadow:0 6px 18px -6px rgba(0,0,0,.3)}
.avatar-btn:active{transform:scale(.94)}
.avatar-btn .avatar-edit{
  position:absolute;right:-3px;bottom:-3px;width:24px;height:24px;border-radius:50%;background:#fff;
  border:1.5px solid #ececf2;box-shadow:0 2px 8px -2px rgba(0,0,0,.18);
  display:grid;place-items:center;color:var(--label2);
}
.nick-editable{cursor:text;display:inline-block;border-radius:7px;padding:1px 5px;margin:-1px -5px;transition:background .15s}
.nick-editable:hover{background:var(--fill)}
.nick-editable .name-input{
  font-size:22px;font-weight:700;letter-spacing:-.3px;width:180px;max-width:100%;
  padding:1px 5px;margin:-1px -5px;border-radius:7px;outline:2px solid var(--pink);background:#fff;
}

.stat-grid{
  display:flex;background:var(--card);border-radius:16px;margin:0 0 22px;overflow:hidden;
  box-shadow:0 1px 3px rgba(0,0,0,.05),0 6px 20px -14px rgba(0,0,0,.2);
}
.stat-grid>div{flex:1;padding:15px 6px;text-align:center;position:relative;display:flex;flex-direction:column;gap:3px}
.stat-grid>div+div::before{content:"";position:absolute;left:0;top:22%;bottom:22%;width:1px;background:var(--sep)}
.stat-grid b{font-size:21px;font-weight:700;letter-spacing:-.4px;font-variant-numeric:tabular-nums}
.stat-grid span{font-size:12px;color:var(--label2)}

.avatar-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px}
.avatar-pick{padding:3px;border-radius:50%;line-height:0;border:2px solid transparent;transition:.16s}
.avatar-pick.on{border-color:var(--pink);background:#ffeaf0}
.avatar-pick:active{transform:scale(.9)}

.history-list{display:flex;flex-direction:column;gap:9px;margin-bottom:22px}
.history-item{
  display:flex;align-items:center;gap:12px;width:100%;text-align:left;
  background:var(--card);border-radius:14px;padding:10px;color:var(--label);
  box-shadow:0 1px 2px rgba(0,0,0,.04),0 4px 14px -10px rgba(0,0,0,.16);
  transition:transform .12s,background .12s;
}
.history-item:active{transform:scale(.99);background:var(--fill)}
.history-cover{width:96px;height:56px;border-radius:9px;overflow:hidden;flex-shrink:0;background:linear-gradient(135deg,#7C5CBF,#C9A0DC)}
.history-cover img{width:100%;height:100%;object-fit:cover}
.history-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:5px}
.history-info strong{font-size:15px;font-weight:600;line-height:1.35;letter-spacing:-.2px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.history-info small{font-size:12px;color:var(--label2)}
.history-item>svg{color:var(--label3);flex-shrink:0}

.ghost-btn{
  width:100%;height:50px;border-radius:14px;background:var(--card);color:var(--label);
  font-size:17px;font-weight:600;
  box-shadow:0 1px 2px rgba(0,0,0,.04),0 4px 12px -7px rgba(0,0,0,.18);
  transition:transform .15s,opacity .15s;
}
.ghost-btn:active{transform:scale(.98);opacity:.9}
.ghost-btn.danger{color:var(--red);margin-top:22px}
.footnote{color:var(--label2);font-size:13px;line-height:1.6;margin-top:14px}

/* ============ 登录 / 注册 ============
   整页居中一张卡片。登录、注册是**两个独立页面**，共用这套骨架，
   只有标题 / 引导语 / 字段 / 底部链接不同（文案在 view.js 的 AUTH_COPY）。 */
/* 用 .scroll-body.auth-page 而不是光写 .auth-page：
   文件末尾 @media(max-width:650px) 里有一条 `.scroll-body{padding:4px 14px 36px}`，
   源码位置在本规则之后、优先级又相同 —— 手机上会把这里的 padding 整条压掉，
   卡片就被顶上去了（实测上下差 32px）。提高一档权重才稳。 */
.scroll-body.auth-page{
  flex:1;display:flex;align-items:center;justify-content:center;
  max-width:none;padding:40px 20px;position:relative;
  /* 顶部一层很淡的品牌粉光晕，卡片才不像贴在灰底上 */
  background:
    radial-gradient(140% 52% at 50% -6%, rgba(251,114,153,.20), rgba(251,114,153,0) 68%),
    var(--bg);
}
.auth-back{
  position:absolute;top:16px;left:16px;width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;color:var(--label);background:var(--fill);
  transition:transform .16s,opacity .16s;
}
.auth-back:active{transform:scale(.88);opacity:.6}
.auth-card{
  width:100%;max-width:380px;background:var(--card);border-radius:22px;
  padding:32px 26px 26px;text-align:center;
  box-shadow:0 1px 2px rgba(0,0,0,.04),0 20px 44px -24px rgba(0,0,0,.24);
}
/* 入场动画**显式加 .enter 才跑**，不做成常驻 animation。
   常驻 + 用 data-enter 去抑制会踩坑：抑制规则一撤，animation 会重新触发，
   表现为「滑完之后卡片又淡入一遍」（实测透明度掉到 0 再爬回 1，就是那个闪）。
   谁加这个类：app.js 的 paint()，且只在「不是登录↔注册滑动」的时候加。 */
.auth-card.enter{animation:authIn .4s var(--ease)}
@keyframes authIn{from{opacity:0;transform:translateY(16px) scale(.98)}to{opacity:1;transform:none}}
.auth-brand{display:flex;flex-direction:column;align-items:center;gap:11px;margin-bottom:22px}
.auth-brand strong{font-size:14px;font-weight:700;letter-spacing:3px;color:var(--pink)}
.auth-logo{line-height:0;filter:drop-shadow(0 10px 20px rgba(251,114,153,.36))}
/* 同样为了压过 @media 里的 `.scroll-body h1{font-size:30px}` */
/* 标题下面不再有引导语，所以下边距要自己撑起来，否则贴着「用户名」标签 */
.scroll-body .auth-card h1{font-size:26px;font-weight:700;letter-spacing:-.3px;margin:0 0 26px}
.auth-card .group-label{text-align:left;padding-left:2px}
.auth-card .form-line{margin-bottom:16px}
.auth-card .submit-btn{margin-top:8px}
.auth-switch{margin:20px 0 0;font-size:13.5px;color:var(--label2)}
.auth-switch button{color:var(--pink);font-weight:600;font-size:13.5px;margin-left:5px}
.auth-switch button:active{opacity:.5}
/* 「选填」跟在标签后面，别跟着大写间距跑 */
.optional{font-size:11px;font-weight:500;color:var(--label3);margin-left:6px;letter-spacing:0;text-transform:none}
.form-error{margin:14px 2px 0;padding:11px 13px;border-radius:11px;background:#ffe9ec;color:#c8304a;font-size:13px;line-height:1.5;text-align:left}

/* ==========================================================================
   页面切换过渡
   index.html 是「所有 screen 都在 DOM 里，靠 .active 切」：
   .tabpage 走 opacity 交叉过渡，.screen.page 走 translateX 推入。
   我们这边同一时刻只有一个页面，所以切换时把旧页面原样拍成一张「影子」，
   固定在视口上原地淡出 / 滑走，做出同样的观感。
   ========================================================================== */
.page-ghost{
  position:fixed;left:0;right:0;top:0;margin:0 auto;
  width:100%;max-width:1100px;min-height:100vh;
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--bg);pointer-events:none;
}
/* 影子里的 sticky 会跟固定定位的祖先打架，直接还原成普通流 */
.page-ghost .topbar{position:static}
.page-ghost .tabbar{position:static;margin-top:auto}

/* 影子是「旧页面的快照」，里面的入场动画绝不能再跑第二遍。
   把 innerHTML 插回 DOM 会让 .auth-card / .video-preview 这类带 animation 的元素
   从 opacity:0 重新淡入 —— 表现出来就是「旧页面一边滑走一边莫名变淡」。
   （踩坑：登录页滑动时影子里的卡片整个发灰，就是这条没写。）
   注意 `*` 不匹配 .page-ghost 自身，所以影子自己的滑出动画不受影响。 */
.page-ghost *{animation:none !important}

/* tab ↔ tab：交叉淡出。
   影子**只淡内容区**，顶栏和底栏要藏起来：
     - 底栏是 rgba(249,249,249,.9) 半透明，影子淡出时压在新底栏上，
       两层 alpha 一叠就变深、然后弹回来 —— 用户正在点它，最刺眼；
     - 顶栏是 background:transparent，留着会和下面新页的标题叠字、发虚。
   这两块在 tab 之间本来就不该动。 */
.page-ghost.fade{z-index:40;animation:ghostFade .24s ease forwards}
.page-ghost.fade .topbar,
.page-ghost.fade .tabbar{visibility:hidden}
@keyframes ghostFade{to{opacity:0}}

/* 推入（tab → 创建页）：影子沉到新页面底下，新页面从右侧盖上来 */
.page-ghost.push{z-index:1}
.page-ghost.push .topbar{opacity:0}   /* 顶栏是透明的，不藏起来会和滑入的新顶栏叠字 */

/* 退出（创建页 → tab）：影子往右滑走，露出下面的新页面 */
.page-ghost.pop{z-index:40;animation:ghostSlideOut .4s var(--ease) forwards}
@keyframes ghostSlideOut{to{transform:translateX(100%)}}

/* 新页面的入场。只动顶栏和内容区 —— 底部标签栏在 tab 之间是不该跟着淡的。
   ⚠️ tab ↔ tab 那条**故意没有 enterFade**：影子是不透明的、盖在上面，
   它淡出的过程本身就是一次干净的交叉溶解；新页要是一直保持 100% 不透明，
   背景就不会从两层半透明里透出来。两边都淡的话中间那一下会整体变暗 ——
   看起来就是「切导航闪一下」。（踩坑：这条原来有 enterFade。） */
@keyframes enterSlide{from{transform:translateX(100%)}}
#app[data-enter="slide"] > .topbar,#app[data-enter="slide"] > .scroll-body{animation:enterSlide .4s var(--ease)}

/* --------------------------------------------------------------------------
   登录 ↔ 注册：整块横向滑过去（iOS 那种翻页感）
   心智模型是一条横向轨道 —— 登录在左、注册在右。
   切到注册 = 视口往右挪一格 = 内容整体往左滑；切回来则反向。

   旧页（影子）往一边滑走、新页从另一边滑进来，两页始终首尾相接、不重叠。
   #app 上的 overflow-x:clip 在这里是帮忙的：它把「还在视口外」的那一页
   裁掉，才有从边缘滑进来的感觉。
   -------------------------------------------------------------------------- */
.page-ghost.auth-left{z-index:40;animation:ghostAuthLeft .38s var(--ease) forwards}
@keyframes ghostAuthLeft{to{transform:translateX(-100%)}}
.page-ghost.auth-right{z-index:40;animation:ghostAuthRight .38s var(--ease) forwards}
@keyframes ghostAuthRight{to{transform:translateX(100%)}}

@keyframes enterAuthRight{from{transform:translateX(100%)}}
@keyframes enterAuthLeft{from{transform:translateX(-100%)}}
#app[data-enter="auth-right"] > .scroll-body{animation:enterAuthRight .38s var(--ease)}
#app[data-enter="auth-left"] > .scroll-body{animation:enterAuthLeft .38s var(--ease)}

/* ==========================================================================
   房间页（深色）
   ========================================================================== */
/* 房间页从右侧滑入 / 滑出 —— 对应 index.html 的 .screen.page 过渡。
   动画不加 fill，跑完即回到无 transform 的状态，免得给 sticky 顶栏造出新的包含块。 */
@keyframes roomIn{from{transform:translateX(100%)}to{transform:translateX(0)}}
.room-shell{display:flex;flex-direction:column;background:var(--dark);color:#fff;min-height:100vh;
  animation:roomIn .42s var(--ease);will-change:transform}
.room-shell.leaving{animation:none;transform:translateX(100%);transition:transform .4s var(--ease)}.room-shell .topbar{background:rgba(12,12,16,.72);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom-color:rgba(255,255,255,.07)}
.room-shell .topbar strong{opacity:1;color:#fff;font-size:16px;max-width:180px}
.room-shell .icon-btn{color:#fff}
.room-shell .back-btn{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;color:#fff;margin-left:-8px;flex-shrink:0;transition:transform .16s,opacity .16s}
.room-shell .back-btn:active{transform:scale(.86);opacity:.4}
.room-head{display:flex;align-items:baseline;gap:8px;min-width:0;flex:1;justify-content:center}
.room-code{font-size:11px;color:rgba(255,255,255,.5);font-variant-numeric:tabular-nums;white-space:nowrap}
.connection{font-size:11px;font-weight:600;color:var(--orange);white-space:nowrap}
.connection.online{color:var(--green)}
.room-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}

/* 播放器 + 控制条：一个整体，全屏时一起进 */
.player-stage{flex-shrink:0;background:var(--dark2)}
.player{position:relative;width:100%;max-width:960px;margin:0 auto;aspect-ratio:16/9;background:#000;overflow:hidden;display:flex;align-items:center;justify-content:center}
.bv-player{width:100%;height:100%;display:block;background:#000;outline:0}
.player-hud{position:absolute;inset:0;pointer-events:none;z-index:2}
.player-overlay{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  background:rgba(8,8,11,.9);color:#d9d9e2;font-size:13px;text-align:center;padding:20px;
}
.player-overlay.is-error{color:#ffb1b1}
.player-overlay.is-action{pointer-events:auto;cursor:pointer;background:rgba(8,8,11,.85);color:#fff;gap:8px}
.player-overlay.is-action small{color:rgba(255,255,255,.62);font-size:11px}
.spinner{width:26px;height:26px;border-radius:50%;border:2px solid rgba(255,255,255,.18);border-top-color:var(--pink);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.quality-badge{position:absolute;bottom:10px;right:10px;z-index:4;background:rgba(0,0,0,.55);color:#fff;font-size:11px;font-weight:600;padding:4px 9px;border-radius:7px;letter-spacing:.4px;backdrop-filter:blur(8px)}
.waiting{height:100%;display:grid;place-items:center;color:var(--label3);font-size:14px}
.room-shell .waiting{color:rgba(255,255,255,.42)}

/* 空房选片：房间先建、视频后挑，房主在这里落地第一支片子 */
.player.pick-stage{background:var(--dark2)}
.pick-empty{display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;padding:24px 20px}
.pick-empty .pick-icon{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:rgba(251,114,153,.16);color:var(--pink);margin-bottom:2px}
.pick-empty strong{font-size:16px;font-weight:600;color:#fff;letter-spacing:-.2px}
.pick-empty small{font-size:12.5px;line-height:1.5;color:rgba(255,255,255,.45);max-width:240px}
.pick-btn{display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 18px;margin-top:8px;border-radius:20px;background:var(--pink);color:#fff;font-size:15px;font-weight:600;transition:transform .15s,opacity .15s}
.pick-btn:active{transform:scale(.96);opacity:.9}

.sync-badge{
  position:absolute;top:10px;left:10px;z-index:4;height:26px;padding:0 10px;border-radius:13px;
  display:flex;align-items:center;gap:6px;font-size:11.5px;font-weight:600;
  background:rgba(52,199,89,.18);color:#5BE07E;border:1px solid rgba(52,199,89,.35);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.sync-badge.warn{background:rgba(255,149,0,.18);color:#FFB340;border-color:rgba(255,149,0,.35)}
.host-tag{
  position:absolute;top:10px;right:10px;z-index:4;height:26px;padding:0 10px;border-radius:13px;
  display:flex;align-items:center;gap:5px;font-size:11.5px;font-weight:600;
  background:rgba(0,0,0,.45);color:#fff;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  max-width:52%;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;
}
.host-tag svg{color:#FFCC00;flex-shrink:0}
.player-center{position:absolute;inset:0;z-index:3;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:0 26px;text-align:center;pointer-events:none}
.bigplay{
  width:62px;height:62px;border-radius:50%;background:rgba(255,255,255,.92);color:#111;
  display:grid;place-items:center;box-shadow:0 8px 26px rgba(0,0,0,.45);
  pointer-events:auto;transition:transform .18s;
}
.bigplay:active{transform:scale(.9)}
.ptitle{
  font-size:13px;color:rgba(255,255,255,.86);line-height:1.45;max-width:300px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}

/* 控制条 */
.controls{max-width:960px;margin:0 auto;width:100%;padding:13px 16px 15px;background:var(--dark2);flex-shrink:0}
#progress{
  -webkit-appearance:none;appearance:none;display:block;width:100%;height:4px;border-radius:2px;outline:0;
  background:linear-gradient(to right,var(--pink) var(--p,0%),rgba(255,255,255,.16) var(--p,0%));
  cursor:pointer;touch-action:none;
}
#progress::-webkit-slider-thumb{
  -webkit-appearance:none;width:13px;height:13px;border-radius:50%;background:#fff;
  box-shadow:0 1px 5px rgba(0,0,0,.5);transform:scale(0);transition:transform .18s;
}
#progress:hover::-webkit-slider-thumb,#progress:active::-webkit-slider-thumb{transform:scale(1)}
#progress::-moz-range-thumb{width:13px;height:13px;border:0;border-radius:50%;background:#fff}
#progress::-moz-range-track{height:4px;border-radius:2px;background:rgba(255,255,255,.16)}
#progress:disabled{opacity:.4;cursor:not-allowed}
.pc-row{display:flex;align-items:center;gap:11px;margin-top:13px}
.pc-btn{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;color:#fff;flex-shrink:0;
  transition:background .15s,transform .15s;
}
.pc-btn:active:not(:disabled){transform:scale(.86);background:rgba(255,255,255,.13)}
.pc-btn:disabled{opacity:.32}
.pc-play{background:var(--pink);width:40px;height:40px}
.pc-play:active:not(:disabled){background:var(--pink-deep);transform:scale(.9)}
.pc-step{width:32px;height:32px;position:relative}
.pc-step small{font-size:9px;font-weight:600;position:absolute;bottom:6px;left:50%;transform:translateX(-50%)}
.pc-rate{width:auto;min-width:38px;padding:0 7px;font-size:12px;font-weight:600;font-variant-numeric:tabular-nums;background:rgba(255,255,255,.1)}
.pc-rate.on{background:rgba(251,114,153,.22);color:#FF9DB9}
.pc-time{margin-left:6px;font-size:12.5px;color:rgba(255,255,255,.68);font-variant-numeric:tabular-nums;letter-spacing:.2px;white-space:nowrap}
.pc-notice{margin-left:auto;margin-right:6px;font-size:11px;color:rgba(255,255,255,.42);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.player-stage:fullscreen{background:#000;display:flex;flex-direction:column;justify-content:center;max-width:none}
.player-stage:fullscreen .player{max-width:none;width:100%;aspect-ratio:auto;flex:1;min-height:0}
.player-stage:fullscreen .bv-player{height:100%;object-fit:contain}
.player-stage:fullscreen .controls{max-width:none;background:linear-gradient(transparent,rgba(0,0,0,.92))}

/* 待播片单 */
.queue-panel{flex-shrink:0;max-width:960px;margin:0 auto;width:100%;padding:10px 16px 4px;background:var(--dark);color:#fff}
.queue-panel:empty{display:none}
.queue-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:0 0 8px}
.queue-title{display:flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:rgba(255,255,255,.6)}
.queue-title b{min-width:18px;height:18px;padding:0 6px;border-radius:9px;background:rgba(251,114,153,.2);color:#FF9DB9;font-size:11px;display:inline-grid;place-items:center;font-variant-numeric:tabular-nums}
.queue-head .mini-btn{display:inline-flex;align-items:center;gap:4px;height:26px;padding:0 11px;border-radius:13px;background:rgba(255,255,255,.1);color:rgba(255,255,255,.82);font-size:12px;font-weight:600;transition:transform .15s,opacity .15s}
.queue-head .mini-btn:active{transform:scale(.94);opacity:.8}
.queue-list{list-style:none;display:flex;flex-direction:column;gap:6px;margin:0;padding:0}
.queue-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:12px;background:rgba(255,255,255,.05)}
.queue-item.playing{background:rgba(251,114,153,.13);box-shadow:inset 0 0 0 1px rgba(251,114,153,.28)}
.queue-index{width:20px;flex-shrink:0;text-align:center;font-size:12px;font-weight:700;color:rgba(255,255,255,.4);font-variant-numeric:tabular-nums}
.queue-item.playing .queue-index{color:var(--pink)}
.queue-info{min-width:0;flex:1;display:flex;flex-direction:column;gap:2px}
.queue-info strong{font-size:13px;font-weight:600;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.queue-info small{font-size:11px;color:rgba(255,255,255,.45);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.queue-actions{display:flex;align-items:center;gap:4px;flex-shrink:0}
.queue-btn{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;color:rgba(255,255,255,.7);background:rgba(255,255,255,.08);transition:transform .15s,background .15s}
.queue-btn:active{transform:scale(.86);background:rgba(255,255,255,.16)}
.queue-empty{margin:0 0 4px;font-size:12px;color:rgba(255,255,255,.38);padding:6px 2px 2px}

/* 聊天 */
.chat-header{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  max-width:960px;margin:0 auto;width:100%;padding:11px 16px 8px;
  font-size:12px;color:rgba(255,255,255,.42);
  border-top:1px solid rgba(255,255,255,.06);
}
.chat-header .live{display:flex;align-items:center;gap:6px;min-width:0;flex:1;overflow:hidden}
.chat-header small{font-size:12px;color:rgba(255,255,255,.42);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-header button{display:flex;align-items:center;gap:6px;color:rgba(255,255,255,.72);font-size:12px;white-space:nowrap;flex-shrink:0}
.chat-header button:active{opacity:.6}
.chat-actions{display:flex;align-items:center;gap:14px;flex-shrink:0;margin-left:auto}
.chat-list{
  flex:1;max-width:960px;margin:0 auto;width:100%;min-height:180px;overflow:auto;
  padding:4px 16px 10px;display:flex;flex-direction:column;gap:11px;
}
.chat-list::-webkit-scrollbar{width:0}
.system-message{text-align:center;font-size:11.5px;color:rgba(255,255,255,.34);padding:2px 0}
.chat-row{display:flex;gap:8px;align-items:flex-start}
.chat-row.own{flex-direction:row-reverse}
.chat-content{max-width:74%;display:flex;flex-direction:column;gap:4px;align-items:flex-start}
.chat-row.own .chat-content{align-items:flex-end}
.chat-content small{font-size:11px;color:rgba(255,255,255,.4);padding-left:2px}
.chat-row.own .chat-content small{text-align:right;padding-right:2px}
.chat-content p{
  font-size:15px;line-height:1.45;color:rgba(255,255,255,.94);
  background:rgba(255,255,255,.1);padding:8px 12px;border-radius:16px;border-top-left-radius:5px;
  word-break:break-word;
}
.chat-row.own .chat-content p{background:linear-gradient(135deg,#FF8FB1,var(--pink));border-radius:16px;border-top-right-radius:5px;color:#fff}
.chat-form{
  display:flex;align-items:center;gap:9px;max-width:960px;margin:0 auto;width:100%;
  padding:10px 16px max(18px,env(safe-area-inset-bottom,0));background:var(--dark2);
  border-top:1px solid rgba(255,255,255,.07);
}
.chat-form input{
  flex:1;height:38px;border-radius:19px;background:rgba(255,255,255,.11);padding:0 15px;
  color:#fff;font-size:15px;min-width:0;
}
.chat-form input::placeholder{color:rgba(255,255,255,.35)}
.chat-form button{
  width:38px;height:38px;border-radius:50%;background:var(--pink);color:#fff;
  display:grid;place-items:center;flex-shrink:0;transition:transform .15s,opacity .15s;
}
.chat-form button:active:not(:disabled){transform:scale(.9)}
.room-error{margin:8px auto;padding:10px 16px;color:#ffb1b1;max-width:960px;width:100%;font-size:13px}
.pink{color:var(--pink)}

/* ============ 底部弹层 ============ */
dialog{
  position:fixed;inset:auto 0 0 0;margin:0;width:100%;max-width:none;border:0;
  border-radius:22px 22px 0 0;padding:22px 16px max(26px,env(safe-area-inset-bottom,0));
  background:#fff;color:var(--label);
  box-shadow:0 -10px 40px rgba(0,0,0,.2);
  animation:sheetUp .38s var(--ease);
}
@keyframes sheetUp{from{transform:translateY(100%)}to{transform:none}}
dialog::backdrop{background:rgba(0,0,0,.42);backdrop-filter:blur(1px)}
dialog h3{font-size:17px;font-weight:600;text-align:center;letter-spacing:-.2px;margin:0 0 16px}
dialog input{width:100%;height:52px;border-radius:14px;background:var(--fill);padding:0 16px;font-size:20px;text-align:center;letter-spacing:3px;font-weight:600}
dialog input::placeholder{letter-spacing:.5px;font-weight:400;font-size:16px;color:var(--label3)}
/* 选片弹层的输入框粘的是链接，不要房间号那种居中大字距 */
dialog input.pick-input{height:46px;font-size:16px;letter-spacing:0;text-align:left;font-weight:400}
/* 弹层里复用页面上的 .form-line / .video-preview，但去掉卡片嵌套和页面级外边距 */
dialog .form-line{display:block;background:transparent;height:auto;padding:0;margin:0}
dialog .form-line input{height:46px;border-radius:12px;padding:0 14px}
dialog .helper{margin:9px 2px 14px}
dialog .video-preview{margin:0 0 4px;box-shadow:none;background:var(--fill)}
dialog .video-preview strong{color:var(--label)}
dialog .video-preview small{color:var(--label2)}
dialog .dialog-buttons{display:flex;gap:10px;margin-top:15px}
dialog button{flex:1;height:50px;border-radius:14px;background:var(--fill);font-size:17px;font-weight:500;transition:transform .15s,opacity .15s}
dialog button:active{transform:scale(.98);opacity:.9}
dialog button.confirm{background:var(--pink);color:#fff;font-weight:600}
dialog .member-list{display:flex;flex-direction:column;gap:2px;padding-bottom:10px}
dialog .member-line{display:flex;gap:12px;align-items:center;padding:10px 4px}
dialog .member-info{display:flex;flex-direction:column;gap:3px;min-width:0}
dialog .member-name{font-size:16px;font-weight:500;letter-spacing:-.2px;display:flex;align-items:center;gap:7px}
dialog .member-status{font-size:12px;color:var(--label3)}
.chip{font-size:10.5px;font-weight:600;padding:2px 7px;border-radius:6px;letter-spacing:.2px}
.chip.host{background:rgba(255,204,0,.18);color:#B8860B}
.chip.me{background:rgba(251,114,153,.14);color:var(--pink-deep)}
.dialog-avatars{display:grid;grid-template-columns:repeat(3,1fr);gap:16px 0;justify-items:center;margin:6px 0 4px}

/* ============ Toast ============ */
#toast{
  position:fixed;bottom:88px;left:50%;transform:translate(-50%,12px);
  background:rgba(40,40,48,.93);color:#fff;padding:10px 16px;border-radius:24px;
  font-size:13px;white-space:nowrap;opacity:0;pointer-events:none;
  transition:opacity .22s,transform .22s;z-index:60;
}
#toast.show{opacity:1;transform:translate(-50%,0)}

/* ============ 窄屏（安卓 / 手机） ============ */
@media(max-width:650px){
  .topbar-inner{height:50px;padding:0 14px}
  .scroll-body{padding:4px 14px 36px}
  .scroll-body h1{font-size:30px;margin-bottom:16px}
  .quick{font-size:14px;height:52px}
  .card-track{margin-right:-14px}
  .room-head{justify-content:flex-start}
  .room-shell{height:100dvh;min-height:0;overflow:hidden}
  .player-stage{flex-shrink:0}
  .chat-list{flex:1;min-height:140px}
  .controls{padding:11px 14px 13px}
  .pc-notice{display:none}
  /* 上面那条把「进度已同步」藏了，而右边的按钮组本来是靠它的 margin-left:auto
     推到右端的 —— 它一没，全屏按钮就塌回中间。这里让它自己右推，不依赖别人。 */
  .pc-fullscreen{margin-left:auto}
  .pc-time{font-size:11px;margin-left:4px}
  .pc-row{gap:7px}
}

/* ==========================================================================
   房间可见性：公开 / 私密 / 密码
   ========================================================================== */
.vis-picker{display:flex;flex-direction:column;gap:8px;margin-bottom:22px}
.vis-option{
  display:flex;align-items:center;gap:12px;width:100%;text-align:left;
  padding:13px 14px;border-radius:14px;background:var(--card);
  border:1.5px solid transparent;box-shadow:0 1px 2px rgba(0,0,0,.04);
  transition:border-color .16s,background .16s,transform .16s;
}
.vis-option:active{transform:scale(.985)}
.vis-option.on{border-color:var(--pink);background:#FFF3F7}
.vis-icon{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:var(--fill);color:var(--label2);flex-shrink:0}
.vis-option.on .vis-icon{background:rgba(251,114,153,.16);color:var(--pink-deep)}
.vis-text{display:flex;flex-direction:column;gap:2px;min-width:0}
.vis-text strong{font-size:15px;font-weight:600;letter-spacing:-.2px}
.vis-text small{font-size:12px;color:var(--label3)}
.password-line{margin-top:-14px}

/* 发现页卡片上的「密码」小锁 */
.lock-pill{
  position:absolute;top:9px;right:9px;z-index:2;display:flex;align-items:center;gap:4px;
  height:22px;padding:0 8px;border-radius:11px;background:rgba(251,114,153,.92);
  color:#fff;font-size:11px;font-weight:600;
}

/* ==========================================================================
   消息：好友列表 + 会话
   ========================================================================== */
.tab{position:relative}
.tab-badge{
  position:absolute;top:-4px;left:50%;margin-left:3px;
  min-width:16px;height:16px;padding:0 4px;border-radius:8px;
  background:var(--red);color:#fff;font-size:10px;font-weight:700;
  line-height:16px;text-align:center;
}

.search-line{
  display:flex;align-items:center;gap:9px;height:44px;padding:0 13px;margin-bottom:20px;
  background:var(--card);border-radius:12px;color:var(--label3);
  box-shadow:0 1px 2px rgba(0,0,0,.04);
}
.search-line input{flex:1;min-width:0;font-size:15px;color:var(--label)}
.search-line input::placeholder{color:var(--label3)}

.person-list{display:flex;flex-direction:column;gap:8px}
.person-row{
  display:flex;align-items:center;gap:12px;width:100%;text-align:left;
  padding:11px 13px;background:var(--card);border-radius:14px;
  box-shadow:0 1px 2px rgba(0,0,0,.04);transition:transform .16s;
}
button.person-row:active{transform:scale(.985)}
.person-row.static{cursor:default}
.person-info{display:flex;flex-direction:column;gap:3px;min-width:0;flex:1}
.person-name{display:flex;align-items:center;gap:6px;font-size:15.5px;font-weight:600;letter-spacing:-.2px}
.person-preview{font-size:13px;color:var(--label3);overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.person-side{display:flex;align-items:center;gap:8px;flex-shrink:0}
.person-time{font-size:11px;color:var(--label3);white-space:nowrap}
.unread-badge{
  min-width:19px;height:19px;padding:0 5px;border-radius:10px;
  background:var(--red);color:#fff;font-size:11px;font-weight:700;
  display:grid;place-items:center;line-height:1;
}
.chip.plain{background:var(--fill);color:var(--label3);font-weight:500}

.follow-btn{
  height:30px;padding:0 13px;border-radius:15px;background:var(--pink);color:#fff;
  font-size:13px;font-weight:600;white-space:nowrap;flex-shrink:0;
  transition:transform .15s,opacity .15s;
}
.follow-btn.on{background:var(--fill);color:var(--label2)}
.follow-btn:active{transform:scale(.94)}
.follow-btn.small{height:28px;padding:0 11px;font-size:12.5px}
.mini-btn{
  height:30px;padding:0 12px;border-radius:15px;background:var(--fill);color:var(--label2);
  font-size:13px;font-weight:500;white-space:nowrap;flex-shrink:0;
}
.mini-btn:active{opacity:.6}
.text-btn.on{color:var(--label3)}

/* ---- 会话页 ---- */
.convo-profile{display:flex;flex-direction:column;align-items:center;gap:6px;padding:14px 0 20px}
.convo-profile strong{font-size:17px;font-weight:600;letter-spacing:-.2px}
.convo-profile small{font-size:12.5px;color:var(--label3)}
.convo-list{display:flex;flex-direction:column;gap:11px;min-height:180px;padding-bottom:12px}
.msg-row{display:flex;gap:8px;align-items:flex-start}
.msg-row.own{flex-direction:row-reverse}
.bubble{
  max-width:74%;padding:9px 13px;border-radius:16px;border-top-left-radius:5px;
  background:var(--card);font-size:15px;line-height:1.45;letter-spacing:-.1px;
  box-shadow:0 1px 2px rgba(0,0,0,.05);word-break:break-word;
}
.msg-row.own .bubble{
  background:linear-gradient(135deg,#FF8FB1,var(--pink));color:#fff;
  border-radius:16px;border-top-right-radius:5px;border-top-left-radius:16px;
}
.invite-card{
  display:flex;align-items:center;gap:11px;max-width:82%;text-align:left;
  padding:12px 14px;border-radius:16px;background:var(--card);
  border:1.5px solid rgba(251,114,153,.35);
  box-shadow:0 1px 2px rgba(0,0,0,.05);transition:transform .16s;
}
.invite-card:active{transform:scale(.98)}
.invite-icon{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;background:rgba(251,114,153,.14);color:var(--pink-deep);flex-shrink:0}
.invite-body{display:flex;flex-direction:column;gap:3px;min-width:0}
.invite-body strong{font-size:14.5px;font-weight:600;letter-spacing:-.2px}
.invite-body small{font-size:12px;color:var(--label3)}
/* 会话页是浅色页面，输入条要跟着变浅。
   房间页的 .chat-form 在 .room-shell 里面，所以这条不会误伤它。 */
#app > .chat-form{background:var(--card);border-top-color:var(--sep)}
#app > .chat-form input{background:var(--fill);color:var(--label)}
#app > .chat-form input::placeholder{color:var(--label3)}
#app > .chat-form .convo-invite{background:var(--fill);color:var(--label2)}

/* ---- 邀请好友弹层 ---- */
dialog .picker-list{display:flex;flex-direction:column;gap:6px;max-height:46vh;overflow:auto;padding-bottom:6px}
dialog .picker-row{
  display:flex;align-items:center;gap:11px;width:100%;text-align:left;
  padding:9px 11px;border-radius:12px;background:var(--fill);
  height:auto;font-size:15px;font-weight:500;
}
/* 只作用于名字那一段。
   原来写的是 `dialog .picker-row span`，会连头像的 <span class="avatar"> 一起匹配到，
   把 .avatar 的 `flex:0 0 var(--size)` 压成 `flex:1` —— 宽度被撑开、高度不变，
   头像就成了一个横椭圆（踩过）。 */
dialog .picker-row .picker-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
dialog .picker-row:active{opacity:.7}
dialog .member-line .member-info{flex:1}
/* dialog button 是「撑满」的配方，成员行里的关注按钮要退回小药丸 */
dialog .member-line .follow-btn{
  flex:0 0 auto;height:28px;padding:0 11px;border-radius:14px;
  font-size:12.5px;background:var(--pink);color:#fff;
}
dialog .member-line .follow-btn.on{background:var(--fill);color:var(--label2)}

/* ---- 消息页顶栏图标 + 横向好友条（对齐 B 站 App 消息页） ---- */
.topbar-actions{display:flex;align-items:center;gap:4px;flex-shrink:0}
.topbar-actions .icon-btn{margin-right:0}
.topbar-actions .icon-btn:last-child{margin-right:-8px}

.friend-strip{
  display:flex;gap:14px;overflow-x:auto;margin:0 -16px 20px;padding:2px 16px 4px;
  scrollbar-width:none;
}
.friend-strip::-webkit-scrollbar{display:none}
.friend-chip{
  display:flex;flex-direction:column;align-items:center;gap:7px;
  flex:0 0 auto;width:58px;transition:transform .16s;
}
.friend-chip:active{transform:scale(.93)}
.friend-chip-avatar{position:relative;line-height:0}
.friend-chip-name{
  font-size:11.5px;color:var(--label2);max-width:58px;
  overflow:hidden;white-space:nowrap;text-overflow:ellipsis;text-align:center;
}
.chip-dot{
  position:absolute;top:0;right:0;width:11px;height:11px;border-radius:50%;
  background:var(--red);border:2px solid var(--bg);
}
@media(max-width:650px){
  .friend-strip{margin:0 -14px 18px;padding:2px 14px 4px}
}

/* 统一兜底：`hidden` 属性必须真的隐藏。
   浏览器给 [hidden] 的默认样式只是 `display:none`，优先级极低 ——
   .search-line{display:flex} / .form-line{display:flex} 这类规则会直接把它压过去，
   结果就是「明明设了 hidden，元素还杵在那儿」（搜索框和密码框都踩过）。 */
[hidden]{display:none !important}