:root{--primary:#1765d8;--line:#e0e5ed;--muted:#66758b;--bg:#f0f2f5}body{background:var(--bg);color:#182534}.app{background:var(--bg);max-width:560px;min-height:100dvh;box-shadow:0 2px 24px #091a3215;position:relative}.social-header{height:66px;background:#fff;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 15px;border-bottom:1px solid #e9edf4;position:sticky;top:0;z-index:12}.social-brand{font-size:22px;font-weight:900;letter-spacing:-.75px;color:#1266d3;white-space:nowrap}.social-brand span{color:#20354d}.social-brand small{font-size:14px;margin-left:5px}.header-tools{display:flex;gap:7px}.header-tools button{width:38px;height:38px;background:#edf1f6;border:0;border-radius:50%;font-weight:800;font-size:23px;color:#18273b;display:grid;place-items:center}.tabs{position:fixed;top:auto;bottom:0;left:50%;transform:translateX(-50%);width:min(100%,560px);background:#fff;padding:5px 4px max(6px,env(safe-area-inset-bottom));margin:0;z-index:15;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1px;border-top:1px solid #e2e6ed;border-bottom:0;box-shadow:0 -3px 16px #233c6010}.tabs button{border-radius:9px;background:transparent;color:#647389;min-height:52px;padding:3px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:2px;font-weight:650}.tabs button span{font-size:25px;line-height:25px}.tabs button small{font-size:10px}.tabs button.on{color:#1166d4;background:#edf5ff}.main{padding:0 0 95px}.main #appLessons{padding:20px 16px}.main #appCommunity{padding:0 0 20px}.main #appCommunity .feed-card,.main #appCommunity .profile-card,.main #appCommunity .auth-box,.main #appCommunity .compose-box{border:0;border-radius:0;padding:16px;background:white;margin:10px 0;box-shadow:0 2px 3px #1b467608}.feed-composer-stub{display:flex;align-items:center;gap:10px;background:#fff;padding:15px 14px 13px}.feed-composer-stub .avatar{width:42px;height:42px}.feed-composer-stub>button{border:0;background:transparent;cursor:pointer}.feed-composer-stub #quickCompose{height:43px;border:1px solid #dce2ea;border-radius:23px;flex:1;text-align:left;padding:0 14px;color:#566272;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.feed-composer-stub #quickPhoto{color:#249b70;font-size:24px;display:flex;flex-direction:column;gap:0;align-items:center}.feed-composer-stub #quickPhoto small{font-size:10px;color:#6f7c8a}.stories-shell{background:#fff;padding:14px 13px 16px;margin-top:9px}.stories-head,.feed-list-title{display:flex;align-items:center;justify-content:space-between;gap:8px}.stories-head{padding-bottom:10px}.stories-head span{font-size:11px;color:#7b8798}.stories-scroll{display:flex;gap:9px;overflow-x:auto;padding:3px 1px 8px}.story-tile{min-width:105px;height:138px;border-radius:15px;flex-shrink:0;background:linear-gradient(145deg,#c6defb,#f1f6ff);display:flex;flex-direction:column;justify-content:space-between;padding:13px 9px;box-shadow:inset 0 0 0 1px #d1e2f8}.story-tile:nth-child(2){background:linear-gradient(145deg,#d4f5e4,#e6f5fe)}.story-tile:nth-child(3){background:linear-gradient(145deg,#f1e2fa,#deeeff)}.story-tile:nth-child(4){background:linear-gradient(145deg,#ffeacb,#fff6e5)}.story-icon{height:70px;display:grid;place-items:center;font-size:36px}.story-tile strong{font-size:11px;line-height:1.2;color:#234563;text-align:center}.feed-list-title{margin:9px 0 0;background:white;padding:9px 15px}.feed-list-title strong{font-size:15px}.feed-list-title button{padding:7px 11px;background:#edf4fe}.feed-card{margin:8px 0!important;border-radius:0!important}.feed-head{margin-bottom:12px}.avatar{background:#d8e8ff}.feed-author{font-size:15px}.feed-time{font-size:12px}.feed-body{font-size:14px;line-height:1.65}.feed-photo{border-radius:4px;max-height:450px}.feed-actions{border-top:1px solid #edf0f4;margin-top:14px;padding-top:9px;gap:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}.feed-action{padding:9px 4px;font-size:12px;background:transparent;color:#66748a;border-radius:7px}.feed-action:hover{background:#f1f4f8}.community-intro{padding:0 14px}.notice,#communityStatus,#communityConfigNotice{margin:12px!important}.community-small{padding-left:4px}.auth-box,.compose-box,.profile-card{scroll-margin-top:80px}.search-wrap{position:sticky;top:66px;z-index:11;display:flex;background:#fff;padding:10px;gap:7px;border-bottom:1px solid #dce4ed}.search-wrap input{flex:1;min-width:0;border:1px solid #d5dfec;border-radius:20px;padding:10px 14px;font:inherit}.search-wrap button{border:0;background:#eaf1ff;border-radius:14px;padding:5px 14px}.overlay-panel{background:#fff;padding:22px 16px;min-height:45vh;margin-top:9px}.overlay-panel p{font-size:14px;line-height:1.7;color:var(--muted)}.feed-list-title~.community-small{margin:12px}.community-toolbar h3{font-size:16px}.story-tile,.feed-action,.tabs button{touch-action:manipulation}@media(min-width:650px){.app{margin:0 auto;border-radius:0;min-height:100vh;overflow:visible}}@media(max-width:370px){.social-brand{font-size:19px}.social-brand small{font-size:11px}.header-tools button{width:33px;height:33px}.story-tile{min-width:94px}}