:root{
  --bg:#f0f2f5;--panel:#fff;--panel-soft:#f2f4f7;--line:#e4e6eb;--text:#050505;--muted:#65676b;
  --blue:#1877f2;--blue-soft:#e7f3ff;--messenger:#0084ff;--pink:#ff5a91;--green:#31a24c;--danger:#e41e3f;
  --shadow:0 1px 2px rgba(0,0,0,.1),0 4px 12px rgba(0,0,0,.06);
  --fd:'Syne',sans-serif;--fb:'DM Sans',sans-serif;
  --header-h:56px;--bottom-h:0px;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;overflow:hidden;background:var(--bg);color:var(--text);font-family:var(--fb)}
button,input,textarea,select{font:inherit}
.mi{font-family:'Material Icons Round';font-style:normal;line-height:1;font-size:22px}
.hidden{display:none!important}
.mobile-only{display:none}
.desktop-only{display:flex}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.stack{display:flex;flex-direction:column;gap:12px}
.small{font-size:12px;color:var(--muted)}
.name{font-weight:700}
.meta{flex:1;min-width:0}
.badge{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;font-weight:700;color:#fff;flex-shrink:0}
.ghost{padding:8px 12px;border-radius:8px;border:none;background:var(--panel-soft);color:var(--text);font-weight:600}
.ghost:hover{background:#e4e6eb}
.ghost:disabled{opacity:.42;cursor:not-allowed}
.primary{border:none;border-radius:8px;padding:10px 16px;background:var(--blue);color:#fff;font-weight:700}
.primary:hover{filter:brightness(.96)}
.icon-btn{width:36px;height:36px;padding:0;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;border:none;background:var(--panel-soft);color:#050505}
.icon-btn:hover{background:#e4e6eb}
.icon-btn:disabled{opacity:.4}
.field{width:100%;padding:11px 14px;border-radius:20px;border:none;background:var(--panel-soft);color:var(--text)}
.field:focus{outline:none;box-shadow:0 0 0 2px rgba(24,119,242,.25)}
.status-pill{display:inline-flex;align-items:center;padding:2px 8px;border-radius:999px;background:#e4e6eb;color:#65676b;font-size:11px;font-weight:700}
.status-pill.online{background:#e7f8ed;color:#31a24c}
.status-pill.lock{background:#fff4e5;color:#b45309}
.status-pill.info{background:var(--blue-soft);color:#1877f2}
.status-pill.voice{background:#e7f8ed;color:#15803d}

#auth{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(240,242,245,.92);z-index:40}
.auth-card{width:min(420px,100% - 24px);background:#fff;border-radius:16px;padding:28px;box-shadow:var(--shadow)}
.logo{font:800 40px var(--fd);letter-spacing:-.03em}.logo span{color:var(--blue)}
.sub{color:var(--muted);font-size:13px;margin:8px 0 16px}
.tabs{display:flex;gap:8px;margin-bottom:12px}
.tab{flex:1;padding:10px;border-radius:10px;border:none;background:var(--panel-soft);color:var(--muted);font-weight:700}
.tab.active{background:var(--blue);color:#fff}
.auth-row{display:none}.auth-row.show{display:block}
.auth-row .field{border-radius:10px;margin-bottom:10px}
.colors{display:flex;gap:10px;margin:10px 0 14px}
.color{width:28px;height:28px;border-radius:50%;border:2px solid transparent}
.color.sel{border-color:#0f172a;box-shadow:0 0 0 3px rgba(24,119,242,.18)}
.auth-tab{color:#64748b;background:transparent}
.auth-tab-on{background:#0f172a;color:#fff}
.err{font-size:12px;color:var(--danger);margin-top:10px;display:none}.err.show{display:block}

#app{display:none;height:100%}
.shell{height:100%;display:flex;flex-direction:column;min-height:0}
.topbar{height:var(--header-h);padding:0 16px;border-bottom:1px solid var(--line);background:#fff;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;position:relative;z-index:30}
.brand-side{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:var(--blue);color:#fff;font:800 20px var(--fd);flex-shrink:0}
.brand-copy{min-width:0}
.brand-title{font:800 22px var(--fd);letter-spacing:-.03em}
.brand-sub{display:none}
.search-shell{display:flex;align-items:center;gap:8px;padding:0 12px;height:40px;border-radius:20px;background:var(--panel-soft);min-width:220px;max-width:280px;flex:1}
.search-shell input{border:none;outline:none;background:transparent;width:100%;color:var(--text)}
.nav-strip{display:flex;align-items:center;justify-content:center;gap:4px}
.nav-btn{min-width:88px;height:52px;padding:0 16px;border:none;background:transparent;color:#65676b;display:flex;align-items:center;justify-content:center;gap:6px;position:relative;border-radius:8px}
.nav-btn .mi{font-size:26px}
.nav-btn .nav-label{font-size:13px;font-weight:700}
.nav-btn:hover{background:#f2f2f2}
.nav-btn.active{color:var(--blue)}
.nav-btn.active::after{content:'';position:absolute;left:10px;right:10px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--blue)}
.actions-side{display:flex;justify-content:flex-end;align-items:center;gap:8px}
.action-btn{width:40px;height:40px;border-radius:50%;border:none;background:var(--panel-soft);color:#050505;display:inline-flex;align-items:center;justify-content:center;position:relative}
.action-btn .mi{font-size:22px}
.header-badge,.tab-badge{position:absolute;top:-3px;right:-3px;min-width:18px;height:18px;padding:0 5px;border-radius:999px;background:var(--danger);color:#fff;font-size:11px;font-weight:700;display:none;align-items:center;justify-content:center}
.header-badge.show,.tab-badge.show{display:inline-flex}
.notif-wrap,.profile-menu-wrap{position:relative}
.notif-menu,.profile-menu{position:absolute;top:48px;right:0;width:min(360px,calc(100vw - 16px));max-height:70vh;overflow:auto;padding:8px;border-radius:12px;background:#fff;box-shadow:var(--shadow);display:none;z-index:40}
.notif-menu.show,.profile-menu.show{display:block}
.notif-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px}
.notif-list{display:flex;flex-direction:column;gap:4px}
.notif-item{padding:10px;border-radius:10px;border:none;background:transparent;text-align:left;width:100%;cursor:pointer}
.notif-item.unread{background:var(--blue-soft)}
.profile-chip{display:flex;align-items:center;gap:8px;padding:4px 10px 4px 4px;border-radius:999px;border:none;background:var(--panel-soft);cursor:pointer}
.profile-chip .badge{width:32px;height:32px}
.profile-menu button{width:100%;text-align:left;padding:10px 12px;border:none;background:transparent;border-radius:8px;display:flex;align-items:center;gap:10px}
.profile-menu button:hover{background:var(--panel-soft)}

.content{flex:1;min-height:0;overflow:hidden}
.view{display:none;height:100%;overflow:hidden}
.view.active{display:block}

.wall{height:100%;overflow:auto;padding:16px 16px 24px;background:var(--bg)}
.feed-page{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:minmax(0,680px) 320px;justify-content:center;gap:16px}
.feed-main{display:flex;flex-direction:column;gap:16px;min-width:0}
.feed-side{display:flex;flex-direction:column;gap:12px}
.panel{background:#fff;border-radius:12px;box-shadow:var(--shadow)}
.composer-card,.side-card{padding:16px}
.composer-head{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.composer-input{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:24px;background:var(--panel-soft)}
.composer-input textarea{border:none;background:transparent;resize:none;min-height:24px;max-height:120px;outline:none;flex:1}
.composer-tools{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:12px;flex-wrap:wrap}
.tool-row{display:flex;gap:8px;flex-wrap:wrap}
.tool-pill,.media-pick-btn{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:8px;border:none;background:transparent;color:#65676b;font-weight:700;cursor:pointer}
.tool-pill:hover,.media-pick-btn:hover{background:var(--panel-soft)}
.tool-pill.active{background:var(--blue-soft);color:var(--blue)}
.stories-row{display:flex;gap:12px;overflow:auto;padding:2px}
.story-bubble{display:flex;flex-direction:column;align-items:center;gap:6px;min-width:76px;background:transparent;border:none;padding:0;cursor:pointer}
.story-thumb{width:68px;height:68px;border-radius:50%;padding:3px;background:linear-gradient(135deg,#1877f2,#ff5a91)}
.story-thumb img,.story-thumb-fallback{width:100%;height:100%;border-radius:50%;object-fit:cover;display:flex;align-items:center;justify-content:center;background:#dbe7fb;color:#fff;font:800 24px var(--fd);border:3px solid #fff}
.story-name{max-width:76px;font-size:12px;font-weight:700;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.presence-dot{position:absolute;right:2px;bottom:2px;width:14px;height:14px;border-radius:50%;background:var(--green);border:2px solid #fff}
.story-thumb-wrap{position:relative}
.posts{display:flex;flex-direction:column;gap:16px}
.feed-card{padding:16px;position:relative;overflow:visible;background:#fff;border-radius:12px;box-shadow:var(--shadow)}
.feed-card.is-patched{animation:none}
.feed-top{display:flex;align-items:center;gap:10px}
.feed-body{cursor:pointer}
.badge-tag{display:inline-flex;padding:2px 8px;border-radius:999px;background:var(--blue-soft);color:var(--blue);font-size:11px;font-weight:700;margin-left:6px}
.feed-caption{font-size:15px;line-height:1.5;margin-top:10px;white-space:pre-wrap}
.feed-media{margin-top:12px;border-radius:14px;overflow:hidden;background:#111827;display:flex;align-items:center;justify-content:center;max-height:560px}
.feed-media .post-img,.feed-media img,.feed-media video{width:auto;height:auto;max-width:100%;max-height:560px;object-fit:contain;display:block;background:#111827}
.feed-detail-body .feed-media,.feed-detail-body .feed-media .post-img{max-height:min(68vh,680px)}
.comment-media,.msg-media,.popup-media{margin-top:8px;border-radius:14px;overflow:hidden;background:#0f172a;display:inline-flex;align-items:center;justify-content:center;max-width:min(280px,100%)}
.comment-media img,.comment-media video,.msg-media .post-img,.popup-media .post-img{width:auto;max-width:min(280px,100%);max-height:320px;object-fit:contain;display:block}
.comment-bubble img{max-width:min(240px,100%);max-height:220px;object-fit:contain;border-radius:12px;display:block;margin-top:8px;background:#0f172a}
.msg.mine .msg-media,.popup-msg.mine .popup-media{background:rgba(0,0,0,.2)}
.brand-mark{overflow:hidden;position:relative}
.brand-mark.has-logo{background:#fff;border:1px solid var(--line)}
.brand-mark img,.auth-logo-img{width:100%;height:100%;object-fit:contain;display:block;padding:3px}
.feed-actions{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:8px;padding-top:8px;border-top:1px solid var(--line)}
.feed-action-group{display:flex;gap:6px;flex-wrap:wrap}
.feed-like-btn.active{color:var(--danger);background:#ffe9ee}
.reaction-summary{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.reaction-chip{display:inline-flex;align-items:center;gap:4px;padding:4px 8px;border-radius:999px;background:var(--panel-soft);font-size:12px;font-weight:700}
.reaction-picker{display:flex;gap:6px;flex-wrap:wrap}
.reaction-option{width:40px;height:40px;border-radius:50%;border:none;background:var(--panel-soft);cursor:pointer;font-size:20px}
.comment-row{display:flex;gap:8px;align-items:flex-start}
.mini-badge{width:28px;height:28px;border-radius:50%;font-size:12px}
.comment-bubble{flex:1;padding:8px 10px;border-radius:16px;background:var(--panel-soft)}
.comment-composer{display:flex;gap:8px;margin-top:10px;align-items:center}
.comment-input{margin:0}
.comments-preview-sheet{margin-top:10px}
.comments-preview-list{display:flex;flex-direction:column;gap:8px}
.comments-more-btn{margin-top:8px;width:100%}
.side-title{font:700 17px var(--fd);margin:0 0 10px}
.list{display:flex;flex-direction:column;gap:6px;min-height:0;overflow:auto}
.item{display:flex;gap:10px;align-items:center;padding:8px;border-radius:10px;background:transparent}
.item:hover{background:var(--panel-soft)}
.quick-link{width:100%;border:none;background:transparent;text-align:left;cursor:pointer}
.social-item{align-items:flex-start}
.contact-item{width:100%;justify-content:flex-start;border:none;background:transparent;text-align:left}
.contact-avatar-wrap{position:relative}

.friends-page{height:100%;overflow:auto;padding:16px 16px 24px;background:var(--bg)}
.friends-shell{max-width:1100px;margin:0 auto}
.friends-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.friends-toolbar h1{margin:0;font:800 26px var(--fd)}
.friends-search{min-width:min(360px,100%)}
.people-dropdown{position:absolute;top:48px;left:52px;width:min(360px,calc(100vw - 24px));max-height:70vh;overflow:auto;padding:8px;border-radius:12px;background:#fff;box-shadow:var(--shadow);display:none;z-index:45}
.people-dropdown.show{display:block}
.people-hit{width:100%;border:none;background:transparent;display:flex;gap:10px;align-items:center;padding:8px;border-radius:10px;text-align:left;cursor:pointer}
.people-hit:hover{background:var(--panel-soft)}
.profile-overlay{display:none;position:fixed;inset:0;z-index:98;background:rgba(0,0,0,.55);padding:16px}
.profile-overlay.show{display:flex;align-items:center;justify-content:center}
.profile-card{width:min(640px,calc(100vw - 16px));max-height:min(92vh,calc(100vh - 16px));overflow:auto;background:#fff;border-radius:16px;box-shadow:var(--shadow)}
.profile-cover{height:120px;background:linear-gradient(135deg,#1877f2,#5aa4ff)}
.profile-body{padding:0 20px 20px}
.profile-avatar-xl{width:92px;height:92px;border-radius:50%;border:4px solid #fff;margin-top:-46px;font-size:36px}
.profile-actions{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}
.profile-edit{display:flex;flex-direction:column;gap:8px;margin-top:12px}
.profile-posts{display:flex;flex-direction:column;gap:12px;margin-top:16px}
.friends-section{margin-bottom:22px}
.friends-section h2{margin:0 0 12px;font:700 18px var(--fd)}
.friend-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}
.friend-card{background:#fff;border-radius:12px;box-shadow:var(--shadow);padding:14px;display:flex;flex-direction:column;gap:10px}
.friend-card-top{display:flex;align-items:center;gap:10px}
.friend-card .badge{width:56px;height:56px;font-size:22px}
.friend-card-actions{display:flex;gap:8px;flex-wrap:wrap}
.friend-card-actions .ghost,.friend-card-actions .primary{flex:1;justify-content:center;display:inline-flex;align-items:center;gap:6px}

.messenger{height:100%;display:grid;grid-template-columns:360px minmax(0,1fr);background:#fff}
.messenger-list{display:flex;flex-direction:column;min-height:0;border-right:1px solid var(--line);background:#fff}
.messenger-list-head{display:flex;align-items:center;justify-content:space-between;padding:12px 12px 8px}
.messenger-list-head h2{margin:0;font:800 24px var(--fd)}
.messenger-search{padding:0 12px 10px}
.messenger-threads,.messenger-discover{overflow:auto;padding:0 6px 8px}
.messenger-discover{border-top:1px solid var(--line);padding-top:8px}
.thread-item{display:flex;gap:12px;align-items:center;width:100%;padding:8px 10px;border:none;background:transparent;border-radius:10px;text-align:left;cursor:pointer}
.thread-item:hover,.thread-item.active{background:var(--panel-soft)}
.thread-item .badge{width:52px;height:52px;font-size:18px}
.thread-copy{min-width:0;flex:1}
.thread-copy .name{display:flex;justify-content:space-between;gap:8px;font-weight:650}
.thread-preview{color:var(--muted);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.thread-item.unread .thread-preview{color:var(--text);font-weight:700}
.messenger-thread{display:flex;flex-direction:column;min-height:0;background:#fff}
.chat-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 12px;border-bottom:1px solid var(--line);min-height:64px}
.chat-heading{display:flex;align-items:center;gap:10px;min-width:0}
.avatar-stack{display:flex;align-items:center;padding-left:8px}
.avatar-mini{width:32px;height:32px;margin-left:-8px;border-radius:50%;border:2px solid #fff;display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#fff}
.call-actions{display:flex;gap:6px}
.chat-scroller{display:flex;flex-direction:column;min-height:0;flex:1}
.messages{flex:1;overflow:auto;padding:16px 16px 8px;display:flex;flex-direction:column;gap:4px;background:#fff}
.msg{max-width:min(68%,640px);padding:8px 12px;border-radius:18px;background:var(--panel-soft);word-break:break-word}
.msg.mine{margin-left:auto;background:var(--messenger);color:#fff}
.msg.mine .msg-head,.msg.mine .msg-foot{color:rgba(255,255,255,.8)}
.msg-head{font-size:11px;color:var(--muted);margin-bottom:2px}
.msg-foot{font-size:11px;color:var(--muted);margin-top:4px}
.composer{display:flex;gap:8px;align-items:flex-end;padding:8px 12px 12px;background:#fff;border-top:1px solid var(--line)}
.composer-shell{display:flex;align-items:flex-end;gap:8px;flex:1;padding:6px 10px;border-radius:20px;background:var(--panel-soft)}
.composer textarea{flex:1;min-height:22px;max-height:120px;resize:none;margin:0;background:transparent;border:none;padding:6px 0}
.composer textarea:focus{outline:none}
.send-fab{width:36px;height:36px;border-radius:50%;padding:0;display:inline-flex;align-items:center;justify-content:center}
.send-fab .mi{font-size:20px}
.voice-pill{display:flex;align-items:center;gap:8px;padding:8px 12px;background:#fff4f4;color:#b91c1c}
.media-preview{position:relative;border-radius:12px;overflow:hidden;margin:0 12px 8px;background:#f3f7fd}
.media-preview img,.media-preview video{width:100%;max-height:280px;object-fit:cover;display:block}
.preview-bar{display:flex;align-items:center;justify-content:space-between;padding:8px 10px;background:rgba(255,255,255,.92)}
.progress{height:6px;border-radius:999px;background:rgba(24,119,242,.12);overflow:hidden}
.progress>span{display:block;height:100%;width:0;background:var(--blue)}
.skeleton-card,.skeleton-msg{position:relative;overflow:hidden}
.skeleton-card::after,.skeleton-msg::after{content:'';position:absolute;inset:0;transform:translateX(-100%);background:linear-gradient(90deg,transparent,rgba(255,255,255,.5),transparent);animation:shimmer 1.2s infinite}
.skeleton-card{min-height:120px}
.skeleton-line{height:12px;border-radius:999px;background:#ebedf0}
.skeleton-line.short{width:36%}.skeleton-line.mid{width:62%}.skeleton-line.long{width:88%}
.skeleton-msg{height:48px;border-radius:16px;background:#ebedf0}

.live-page{height:100%;display:grid;grid-template-columns:minmax(0,1fr) 320px;background:#0b1220;color:#fff}
.live-stage{min-height:0;display:flex;flex-direction:column;position:relative}
.live-lobby{height:100%;overflow:auto;padding:16px;background:var(--bg)}
.live-lobby-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.live-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}
.live-card{background:#fff;border-radius:14px;overflow:hidden;box-shadow:var(--shadow);text-align:left;border:none;cursor:pointer;padding:0;color:inherit}
.live-thumb{height:140px;background:linear-gradient(135deg,#111827,#1d4ed8);display:flex;align-items:center;justify-content:center;color:#fff;position:relative}
.live-badge{position:absolute;top:10px;left:10px;background:#e11d48;color:#fff;border-radius:999px;padding:3px 8px;font-size:11px;font-weight:800}
.live-card-body{padding:12px}
.live-video{width:100%;height:100%;object-fit:contain;background:#000;min-height:280px}
.live-chat{display:flex;flex-direction:column;min-height:0;background:#111827;border-left:1px solid #1f2937}
.live-chat-log{flex:1;overflow:auto;padding:12px;display:flex;flex-direction:column;gap:8px}
.live-chat-item{font-size:13px}
.live-setup{display:grid;grid-template-columns:1fr 280px;gap:16px}
.live-preview{width:100%;border-radius:16px;background:#000;min-height:280px;object-fit:cover}
.live-reactions{display:flex;gap:6px;flex-wrap:wrap;padding:8px 12px}
.live-gifts{display:flex;gap:6px;flex-wrap:wrap;padding:0 12px 8px}
.live-gift{border:1px solid #334155;background:#1f2937;color:#fff;border-radius:12px;padding:6px 8px;display:inline-flex;flex-direction:column;align-items:center;gap:2px;min-width:58px;cursor:pointer}
.live-gift span{font-size:10px;font-weight:700;color:#fde68a}
.live-gift:hover{border-color:#facc15;background:#312e81}
.live-fly{position:absolute;left:20px;bottom:80px;font-size:28px;animation:emojiFly .95s ease forwards;pointer-events:none}
.live-gift-pop{position:absolute;left:50%;top:18%;transform:translateX(-50%);background:rgba(17,24,39,.92);border:1px solid #facc15;color:#fff;border-radius:16px;padding:10px 14px;display:flex;align-items:center;gap:8px;z-index:5;animation:giftPop .4s ease}
@keyframes giftPop{from{opacity:0;transform:translate(-50%,8px) scale(.9)}to{opacity:1;transform:translate(-50%,0) scale(1)}}
.rooms-page{height:100%;display:grid;grid-template-columns:320px minmax(0,1fr);background:#fff}
.room-list,.public-main{display:flex;flex-direction:column;min-height:0}
.room-list{border-right:1px solid var(--line);padding:12px}
.public-main{padding:0}
.room-item{width:100%;border:none;background:transparent;text-align:left}
.pane-title{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px}
.section-kicker{display:inline-flex;align-items:center;gap:6px;padding:4px 8px;border-radius:999px;background:var(--blue-soft);color:var(--blue);font-size:12px;font-weight:700}
.public-scroller{display:flex;flex-direction:column;min-height:0;flex:1}

.feed-detail-overlay{display:none;position:fixed;inset:0;z-index:97;background:rgba(0,0,0,.55);padding:18px}
.feed-detail-overlay.show{display:flex;align-items:center;justify-content:center}
.feed-detail-card{width:min(880px,calc(100vw - 24px));max-height:min(92vh,calc(100vh - 24px));background:#fff;border-radius:12px;box-shadow:var(--shadow);display:flex;flex-direction:column;overflow:hidden}
.feed-detail-headline{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--line)}
.feed-detail-body{padding:16px;overflow:auto}
.comments-sheet{margin-top:14px}
.comments-sheet-list{display:flex;flex-direction:column;gap:8px;max-height:280px;overflow:auto}

.call-banner,.overlay{display:none;position:fixed;inset:0}
.call-banner{z-index:130;background:rgba(0,0,0,.5);padding:20px}
.call-banner.show{display:flex;align-items:center;justify-content:center}
.call-box{width:min(420px,calc(100vw - 24px));padding:24px;border-radius:16px;background:#fff;display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center;box-shadow:var(--shadow)}
.call-actions-row{display:flex;gap:10px}
.call-action-btn{min-width:120px;height:44px;border-radius:22px;border:none;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.call-action-btn.accept{background:#31a24c;color:#fff}
.call-action-btn.reject{background:#ffe9ee;color:#e41e3f}
.overlay{z-index:120}
.overlay.active{display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.65)}
.overlay-card{width:min(920px,calc(100vw - 16px));padding:16px;border-radius:16px;background:#fff}
.videos{position:relative;height:420px;border-radius:12px;overflow:hidden;background:#0a0f18;display:flex;align-items:center;justify-content:center}
#remoteVideo,#localVideo{width:100%;height:100%;object-fit:cover}
#remoteVideo{display:none}
.mini{position:absolute;right:12px;bottom:12px;width:160px;height:110px;border-radius:12px;overflow:hidden;border:2px solid rgba(255,255,255,.3)}
.call-user-card{display:flex;align-items:center;gap:12px}
.call-avatar{width:48px;height:48px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:#fff;font:800 18px var(--fd);background:var(--blue)}
.call-timer{padding:4px 10px;border-radius:999px;background:#e7f8ed;color:#15803d;font-weight:800}
.danger-icon{width:36px;height:36px;padding:0;border-radius:50%;border:none;background:#ffe9ee;color:#e41e3f;display:inline-flex;align-items:center;justify-content:center}
.call-control{width:44px;height:44px;padding:0;border:none;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:#fff}
.call-control.audio-on,.call-control.video-on{background:var(--blue)}
.call-control.audio-off,.call-control.video-off{background:var(--danger)}
.notice{position:fixed;right:16px;bottom:16px;display:flex;flex-direction:column;gap:8px;z-index:80}
.toast{padding:12px 14px;border-radius:12px;background:#fff;box-shadow:var(--shadow)}
.bottom-nav{display:none}
.lightbox{display:none;position:fixed;inset:0;z-index:95;background:rgba(0,0,0,.86);padding:16px}
.lightbox.show{display:flex;align-items:center;justify-content:center}
.lightbox-card{width:min(1100px,calc(100vw - 16px));height:min(92vh,calc(100vh - 16px));background:#fff;border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:10px}
.lightbox-media{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;background:#111;border-radius:8px;overflow:hidden}
.lightbox-media img,.lightbox-media video{max-width:100%;max-height:100%;object-fit:contain}
.lightbox-head{display:flex;align-items:center;justify-content:space-between}
.emoji-fly{position:fixed;z-index:220;font-size:28px;pointer-events:none;animation:emojiFly .95s ease forwards;animation-delay:var(--delay,0ms)}
.push-banner{display:none;position:fixed;left:12px;right:12px;bottom:18px;z-index:90;padding:12px 14px;border-radius:12px;background:#050505;color:#fff;align-items:center;justify-content:space-between;gap:10px}
.push-banner.show{display:flex}
.maintenance-banner{display:none;padding:8px 12px;background:#fff4e5;color:#9a3412;text-align:center;font-weight:700}
.maintenance-banner.show{display:block}

.popup-chat{position:fixed;right:16px;bottom:16px;width:min(340px,calc(100vw - 16px));height:480px;background:#fff;border-radius:12px;box-shadow:var(--shadow);display:none;flex-direction:column;overflow:hidden;z-index:96}
.popup-chat.show{display:flex}
.popup-chat-head{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 12px;border-bottom:1px solid var(--line)}
.popup-chat-title{display:flex;align-items:center;gap:8px}
.popup-chat-tools{display:flex;gap:4px}
.popup-title-badge{width:36px;height:36px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:800}
.popup-status{padding:0 12px 6px;font-size:12px;color:var(--muted)}
.popup-chat-messages{flex:1;overflow:auto;padding:12px;display:flex;flex-direction:column;gap:6px;background:#fff}
.popup-msg{max-width:82%;padding:8px 10px;border-radius:16px;background:var(--panel-soft)}
.popup-msg.mine{margin-left:auto;background:var(--messenger);color:#fff}
.popup-chat-compose{display:flex;flex-direction:column;gap:8px;padding:10px;border-top:1px solid var(--line)}
.popup-compose-row{display:flex;gap:6px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.popup-input-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px}
.popup-mode-row .ghost{width:32px;height:32px;padding:0;display:inline-flex;align-items:center;justify-content:center}
.popup-mode-row .ghost.active{background:var(--blue-soft);color:var(--blue)}
.theme-dot{width:16px;height:16px;border-radius:50%;border:2px solid transparent;cursor:pointer}
.theme-dot.sel{border-color:#111}
.popup-voice-recorder{display:flex;flex-direction:column;gap:8px;padding:10px;border-radius:12px;background:#fff4f4}
.voice-live{display:flex;align-items:center;gap:8px;font-weight:700}
.voice-dot{width:8px;height:8px;border-radius:50%;background:#ef4444}
.voice-waves{display:flex;align-items:flex-end;gap:3px;height:20px}
.voice-waves span{display:block;width:4px;border-radius:999px;background:var(--blue);height:12px}
.popup-voice-bubble{display:flex;align-items:center;gap:8px}
.popup-voice-bubble audio{width:160px;height:28px}
.popup-msg.mine.mode-solid.theme-blue{background:#1877f2}
.popup-msg.mine.mode-solid.theme-sunset{background:#ff5a91}
.popup-msg.mine.mode-solid.theme-mint{background:#18b36b}
.popup-msg.mine.mode-solid.theme-grape{background:#7c3aed}
.popup-msg.mine.mode-solid.theme-coral{background:#f97316}
.popup-msg.mine.mode-solid.theme-teal{background:#0f766e}
.popup-msg.mine.mode-solid.theme-rose{background:#e11d48}
.popup-msg.mine.mode-solid.theme-slate{background:#334155}
.popup-msg.mine.mode-gradient.theme-blue{background:linear-gradient(135deg,#1877f2,#5aa4ff)}
.popup-msg.mine.mode-gradient.theme-sunset{background:linear-gradient(135deg,#ff7a6c,#ff5a91)}
.popup-msg.mine.mode-gradient.theme-mint{background:linear-gradient(135deg,#18b36b,#48d597)}
.popup-msg.mine.mode-gradient.theme-grape{background:linear-gradient(135deg,#7c3aed,#b57dff)}
.popup-msg.mine.mode-gradient.theme-coral{background:linear-gradient(135deg,#f97316,#fb7185)}
.popup-msg.mine.mode-gradient.theme-teal{background:linear-gradient(135deg,#0f766e,#2dd4bf)}
.popup-msg.mine.mode-gradient.theme-rose{background:linear-gradient(135deg,#e11d48,#fb7185)}
.popup-msg.mine.mode-gradient.theme-slate{background:linear-gradient(135deg,#334155,#64748b)}

@keyframes feedIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@keyframes msgIn{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}
@keyframes shimmer{100%{transform:translateX(100%)}}
@keyframes emojiFly{0%{opacity:0;transform:translate3d(0,0,0) scale(.65)}15%{opacity:1}100%{opacity:0;transform:translate3d(var(--drift,0px),-120px,0) scale(1.18)}}

@media(max-width:1100px){
  .feed-page{grid-template-columns:minmax(0,1fr)}
  .feed-side{display:none}
  .search-shell{min-width:160px}
}
@media(max-width:860px){
  :root{--header-h:56px;--bottom-h:64px}
  .topbar{grid-template-columns:auto 1fr auto;padding:0 10px;height:56px}
  .desktop-nav,.brand-copy,.profile-meta,.desktop-only{display:none!important}
  .mobile-only{display:inline-flex}
  .search-shell{display:none;position:absolute;left:8px;right:8px;top:8px;max-width:none;min-width:0;z-index:6;height:40px}
  .search-shell.mobile-open{display:flex}
  .actions-side{gap:6px}
  .action-btn,.profile-chip .badge{width:38px;height:38px}
  .profile-chip{padding:0;background:transparent}
  .desktop-nav .nav-label{display:none}
  .bottom-nav{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:0;right:0;bottom:0;z-index:30;height:var(--bottom-h);background:#fff;border-top:1px solid var(--line);padding:4px 4px calc(6px + env(safe-area-inset-bottom))}
  .live-page,.live-setup{grid-template-columns:1fr}
  .live-chat{border-left:none;border-top:1px solid #1f2937;max-height:38vh}
  .bottom-nav .nav-btn{min-width:0;height:auto;min-height:52px;border-radius:10px;flex-direction:column;gap:2px;padding:4px 0}
  .bottom-nav .nav-btn .mi{font-size:24px;line-height:1;display:block}
  .bottom-nav .nav-label{display:block;font-size:10px;font-weight:700;line-height:1.1;color:inherit}
  .bottom-nav .nav-btn.active::after{display:none}
  .bottom-nav .nav-btn.active{background:var(--blue-soft);color:var(--blue)}
  .bottom-nav .tab-badge{top:2px;right:18%}
  .wall,.friends-page{padding:12px 10px calc(var(--bottom-h) + 12px)}
  .messenger,.rooms-page{height:100%;grid-template-columns:1fr}
  .messenger-list,.room-list{height:100%}
  .messenger-thread,.public-main{display:none}
  .chat-page.mobile-chat-open .messenger-list,
  .rooms-page.mobile-room-open .room-list{display:none}
  .chat-page.mobile-chat-open .messenger-thread,
  .rooms-page.mobile-room-open .public-main{display:flex;height:100%}
  .chat-page,.rooms-page{height:calc(100% - 0px)}
  .view-chats .messenger,.view#view-chats .messenger{height:100%}
  #view-chats,#view-public,#view-live{padding-bottom:var(--bottom-h)}
  .live-lobby{padding-bottom:calc(var(--bottom-h) + 16px)}
  .videos{height:280px}
  .mini{width:104px;height:78px}
  .feed-detail-overlay{padding:0}
  .feed-detail-card{width:100%;max-height:none;height:100%;border-radius:0}
  .push-banner{bottom:calc(var(--bottom-h) + 8px)}
  .popup-chat{left:8px;right:8px;width:auto;bottom:calc(var(--bottom-h) + 8px);height:min(460px,70vh)}
  .friend-grid{grid-template-columns:1fr}
  .people-dropdown{left:8px;right:8px;width:auto;top:52px}
  .profile-overlay{padding:0}
  .profile-card{width:100%;max-height:none;height:100%;border-radius:0}
}