:root{
  --ink:#0f1419; --gray:#536471; --line:#eff3f4; --blue:#1d9bf0;
  --blue-soft:#e8f5fd; --gold:#b58520;
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:#fff;color:var(--ink);-webkit-font-smoothing:antialiased;overflow-x:clip}
a{color:inherit;text-decoration:none}
button{font:inherit;background:none;border:none;cursor:pointer;color:inherit}

/* ===== top header (mobile-first) ===== */
.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.topbar-inner{max-width:600px;margin:0 auto;padding:10px 16px 0;display:flex;align-items:center;gap:12px}
.avatarbtn{flex-shrink:0;display:flex;padding:0}
.avatarbtn img{width:32px;height:32px;border-radius:50%;object-fit:cover;background:#f5f5f7}
.feedtabs{position:sticky;top:0;z-index:40;display:flex;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.ftab{flex:1;width:100%;background:none;border:none;padding:16px 0 12px 16px;font-size:15px;font-weight:700;color:var(--gray);cursor:pointer;position:relative;text-align:left}
.ftab.on{color:#000}
.ftab.on::after{content:"";position:absolute;left:16px;bottom:0;width:56px;height:4px;border-radius:2px;background:var(--blue)}
.ftab:hover{background:rgba(0,0,0,.03)}
.mllama{display:none}
.nic{width:26px;height:26px;fill:#000;flex-shrink:0}
.snav .ext{width:10px;height:10px;margin-left:2px;opacity:0.45;flex-shrink:0}
.snav .ic{font-size:22px;width:26px;text-align:center;flex-shrink:0}
@media (max-width:700px){
.mllama{display:block;position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);padding:10px 16px 6px}
.mllama img{width:30px;height:30px;object-fit:contain;border-radius:50%;background:#fff;border:1px solid var(--line);padding:4px}
}
.tabs{display:flex}
.tab{flex:1;text-align:center;padding:12px 0;font-size:15px;font-weight:600;color:var(--gray);position:relative}
.tab.on{color:var(--ink);font-weight:800}
.tab.on::after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:56px;height:4px;border-radius:99px;background:var(--blue)}

/* sub-views (DM thread, tweet detail, profile) bring their own sticky header
   with a back button, so the global topbar hides there instead of covering it */
body.subview .topbar{display:none}

/* ===== layout ===== */
.shell{max-width:600px;margin:0 auto;min-height:100vh}
.sidenav,.rightbar{display:none}

/* ===== composer ===== */
.composer{display:flex;gap:12px;padding:16px 16px 12px;border-bottom:1px solid var(--line)}
.avatar{width:40px;height:40px;border-radius:50%;object-fit:cover;flex-shrink:0;background:#f5f5f7}
.composer-main{flex:1;min-width:0}
.composer textarea{width:100%;border:none;outline:none;resize:none;font-size:20px;font-family:inherit;padding:12px 0;min-height:88px;color:var(--ink)}
.composer textarea::placeholder{color:var(--gray)}
.composer-bar{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:12px;margin-top:8px}
.cicons{display:flex;gap:14px;font-size:17px;color:var(--blue)}
.postbtn{background:var(--blue);color:#fff;font-weight:700;font-size:15px;border-radius:99px;padding:8px 20px;opacity:.45}
.postbtn.ready{opacity:1}
.charcount{font-size:13px;color:var(--gray);margin-left:auto;margin-right:10px;font-variant-numeric:tabular-nums;visibility:hidden}
.charcount.over{color:#f4212e;font-weight:700}
.cm-head .charcount{margin-left:0}

/* ===== tweets ===== */
.tweet{display:flex;gap:12px;padding:14px 16px;border-bottom:1px solid var(--line);transition:background .15s;content-visibility:auto;contain-intrinsic-size:auto 320px}
.tweet:hover{background:#f7f9f9}
.tweet-body{flex:1;min-width:0}
.tweet-head{display:flex;align-items:baseline;gap:6px;flex-wrap:wrap}
.tweet-head .name{font-weight:800;font-size:15px;white-space:nowrap}
.tweet-head .badge{color:var(--gold);font-size:14px}
.tweet-menu-btn{margin-left:auto;background:none;border:none;font-size:18px;color:#536471;cursor:pointer;padding:4px 8px;border-radius:50%;line-height:1}
.tweet-menu-btn:hover{background:#f7f9f9}
.tweet-menu{position:absolute;background:#fff;border:1px solid #eff3f4;border-radius:16px;box-shadow:0 8px 24px rgba(0,0,0,0.15);min-width:200px;z-index:1000;overflow:hidden}
.tweet-menu-item{display:flex;align-items:center;gap:12px;width:100%;padding:12px 16px;background:none;border:none;font-size:15px;font-weight:700;text-align:left;cursor:pointer;color:#0f1419}
.tweet-menu-item:hover{background:#f7f9f9}
.tweet-menu-item.danger{color:#f4212e}
.tweet-head .meta{color:var(--gray);font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tweet-head .tw-time:hover{text-decoration:underline}
.tweet-text{font-size:15px;line-height:1.45;margin:2px 0 0;overflow-wrap:break-word}
.tweet-text .hl{color:var(--blue)}
.tweet-img{margin-top:10px;width:100%;max-width:100%;height:auto;border-radius:16px;border:1px solid var(--line);display:block;background:#f5f5f7}
.replies{margin-top:10px;border:1px solid var(--line);border-radius:12px;background:#f7f9f9;padding:2px 12px}
.reply{display:flex;gap:8px;padding:8px 0;align-items:flex-start}
.reply + .reply{border-top:1px solid var(--line)}
.reply img{width:26px;height:26px;border-radius:50%;object-fit:cover;flex-shrink:0;background:#e8e8ea}
.reply .rn{font-weight:700;font-size:13px;margin-right:6px}
.reply .rt{font-size:13px;color:#333}
.tweet-actions{display:flex;justify-content:space-between;max-width:340px;margin-top:10px}
.act{display:flex;align-items:center;gap:7px;color:var(--gray);font-size:13px;padding:4px 6px;min-height:44px;border-radius:99px;transition:background .15s}
.act .ic{font-size:16px;line-height:0}
.act .ic svg{display:block;width:19px;height:19px}
.act.reply:hover{background:var(--blue-soft);color:var(--blue)}
.act.rt:hover{background:#e6f7ee;color:#00ba7c}
.act.rt.on{color:#00ba7c}
.act.like:hover{background:#fde8ef;color:#f91880}
.act.like.on{color:#f91880}
.act.views:hover{background:var(--blue-soft);color:var(--blue)}

/* ===== DMs ===== */
#dmview{display:none;flex-direction:column;height:100vh;height:100dvh}
.dm-head{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px;padding:10px 12px}
.dm-head .back{font-size:22px;padding:4px 10px;color:var(--blue)}
.dm-head img{width:38px;height:38px;border-radius:50%;object-fit:cover}
.dm-head .n{font-weight:800;font-size:16px}
.dm-head .h{font-size:12px;color:#27ae60}
.dm-head-tools{margin-left:auto;display:flex;align-items:center;gap:8px}
.dm-filter{border:1px solid #d7dde2;border-radius:99px;padding:8px 16px;font-weight:700;font-size:15px;background:#fff;color:var(--ink);font-family:inherit}
.dm-filter span{font-size:11px;color:var(--gray)}
.dm-compose-btn{width:38px;height:38px;border-radius:50%;background:#eff3f4;color:var(--ink);display:flex;align-items:center;justify-content:center}
.dm-compose-btn svg{width:19px;height:19px;display:block}
.dm-filter-menu{position:sticky;top:57px;z-index:39;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 8px 24px rgba(0,0,0,.08)}
.dm-filter-menu button{display:block;width:100%;text-align:left;padding:12px 16px;font-size:15px;font-family:inherit;color:var(--ink)}
.dm-filter-menu button.on{font-weight:800}
.dm-vp{margin-left:auto;background:#eff3f4;color:var(--ink);border:none;border-radius:999px;padding:8px 18px;font-weight:700;font-size:15px}
#dmlog{flex:1;overflow-y:auto;overflow-x:clip;padding:16px 14px;display:flex;flex-direction:column;gap:8px;max-width:600px;width:100%;margin:0 auto}
.bubble{max-width:78%;padding:9px 13px;border-radius:18px;font-size:15px;line-height:1.4;overflow-wrap:break-word}
.bubble.mike{background:#eff3f4;color:var(--ink);align-self:flex-start;border-bottom-left-radius:6px}
.bubble.dave{background:var(--blue);color:#fff;align-self:flex-end;border-bottom-right-radius:6px}
.bubble .ts{display:block;font-size:10px;opacity:.65;margin-top:3px}
.dm-compose{flex-shrink:0;z-index:40;background:#fff;border-top:1px solid var(--line);padding:10px 12px calc(10px + env(safe-area-inset-bottom));display:flex;gap:8px;max-width:600px;width:100%;margin:0 auto}
.dm-compose input{flex:1;min-width:0;border:1px solid #d7dde2;border-radius:99px;padding:10px 16px;font-size:16px;font-family:inherit;outline:none}
.dm-compose input:focus{border-color:var(--blue)}
.dm-compose button{flex-shrink:0;background:var(--blue);color:#fff;font-weight:700;border-radius:99px;padding:10px 18px}
.dm-compose button:disabled{opacity:.4}
.dm-status{text-align:center;font-size:12px;color:var(--gray);padding:6px}
.dm-bubble{max-width:75%;padding:9px 13px;border-radius:18px;font-size:15px;line-height:1.35;word-wrap:break-word}
.dm-bubble.me{align-self:flex-end;background:var(--blue);color:#fff}
.dm-bubble.them{align-self:flex-start;background:#eef1f3;color:var(--ink)}
.dm-time{font-size:10px;opacity:.65;margin-top:3px;text-align:right}
.dm-bubble.pend{opacity:.65}
.dm-pend{font-style:italic}
.dm-fail{font-weight:700;text-decoration:underline;cursor:pointer}
.cm-overlay{position:fixed;inset:0;background:rgba(15,20,25,.4);z-index:390}
.cm-box{position:fixed;left:0;right:0;top:0;z-index:400;background:#fff;border-radius:0 0 20px 20px;padding:12px 16px calc(16px + env(safe-area-inset-bottom));box-shadow:0 8px 32px rgba(0,0,0,.18);max-width:600px;margin:0 auto}
.cm-head{display:flex;align-items:center;margin-bottom:8px}
.cm-head .back{font-size:20px;padding:8px}
.cm-compose{display:flex;gap:12px;align-items:flex-start}
.cm-compose img{width:44px;height:44px;border-radius:50%;object-fit:cover;flex-shrink:0}
.cm-compose textarea{flex:1;min-width:0;border:none;outline:none;resize:none;font-size:19px;font-family:inherit;line-height:1.4;padding:8px 0;max-height:40vh}
.cm-preview{margin:8px 0 0 56px}
.cm-preview img{max-width:100%;border-radius:16px;display:block}
.cm-foot{display:flex;margin-top:8px;padding-left:56px}
.cm-attach{color:var(--blue);cursor:pointer;padding:8px}
.cm-attach svg{width:22px;height:22px;display:block}
@media(min-width:1000px){ .cm-box{top:15vh;border-radius:20px} }
@media(max-width:999px){ .cm-box{top:12vh;border-radius:20px} }
.dm-search{margin:12px 16px;background:#eff3f4;border-radius:99px;padding:10px 16px;font-size:14px;color:var(--gray)}
.dm-searchbox{padding:12px 16px 4px}
.dm-searchbox input{width:100%;background:#eff3f4;border:none;border-radius:99px;padding:10px 16px;font-size:16px;font-family:inherit;outline:none;color:var(--ink)}
.dm-searchbox input:focus{background:#e8ecee}
.dm-searchbox input::placeholder{color:var(--gray)}
/* ----- search view ----- */
#searchview{display:none;flex-direction:column;min-height:100vh;padding-bottom:calc(64px + env(safe-area-inset-bottom))}
.sr-head{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);padding:14px 16px 8px}
.sr-head .t{font-weight:800;font-size:28px;letter-spacing:-0.5px}
.sr-row{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line);cursor:pointer}
.sr-row:active{background:#f7f9f9}
.sr-row img{width:48px;height:48px;border-radius:50%;object-fit:cover}
.sr-row .n{font-weight:700;font-size:16px}
.sr-row .h{color:var(--gray);font-size:14px}
.dm-convo{display:flex;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line);cursor:pointer;align-items:center}
.dm-convo:active{background:#f7f9f9}
.dm-convo img{width:52px;height:52px;border-radius:50%;object-fit:cover;flex-shrink:0}
.dm-convo-main{flex:1;min-width:0}
.dm-convo-top{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.dm-convo-top .n{font-weight:800;font-size:16px}
.dm-convo-top .t{font-size:12px;color:var(--gray);flex-shrink:0}
.dm-convo-snippet{font-size:14px;color:var(--gray);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}

/* ----- notifications view ----- */
#notifview{display:none;flex-direction:column;min-height:100vh}
.nt-head{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:14px;padding:10px 12px}
.nt-head .back{font-size:22px;padding:4px 10px;color:var(--blue)}
.nt-head .t{font-weight:800;font-size:19px}
.nt-row{display:flex;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line);cursor:pointer;align-items:flex-start}
.nt-row:active{background:#f7f9f9}
.nt-row img{width:44px;height:44px;border-radius:50%;object-fit:cover;flex-shrink:0;background:#f5f5f7}
.nt-main{flex:1;min-width:0}
.nt-text{font-size:15px;line-height:1.35}
.nt-text b{font-weight:800}
.nt-sub{font-size:14px;color:var(--gray);margin-top:3px;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.nt-time{font-size:12px;color:var(--gray);flex-shrink:0;white-space:nowrap}
.nt-time:hover{text-decoration:underline}
.nt-empty{padding:32px 24px;text-align:center;color:var(--gray);font-size:15px;line-height:1.5}

/* ===== profiles ===== */
#profileview{display:none;flex-direction:column;min-height:100vh}
.pf-head{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px;padding:10px 12px}
.pf-head .back{font-size:22px;padding:4px 10px;color:var(--blue)}
.pf-head .n{font-weight:800;font-size:17px}
.pf-head .h{font-size:12px;color:var(--gray)}
.pf-banner{height:130px;background:#cfd9de}
.pf-idrow{display:flex;align-items:flex-end;justify-content:space-between;padding:0 16px;margin-bottom:12px}
.pf-idrow img{width:80px;height:80px;border-radius:50%;object-fit:cover;background:#f5f5f7;border:4px solid #fff;margin-top:-40px;flex-shrink:0}
.pf-idrow .pf-actions{display:flex;gap:8px;padding:0 0 4px;align-items:center}
.pf-bio{padding:0 16px;font-size:15px;line-height:1.4}
.pf-bio .pf-n{font-weight:800;font-size:20px;line-height:1.2;margin:0}
.pf-bio .pf-handle{color:var(--gray);font-size:15px;margin:0 0 12px}
.pf-bio #pfBio{margin:0 0 12px;white-space:pre-line}
.pf-bio a{color:var(--blue);text-decoration:none;display:block;margin-bottom:2px}
.pf-bio .pf-joined{color:var(--gray);font-size:14px;margin-bottom:12px}
.pf-bio .pf-stats{display:flex;gap:16px;padding-bottom:12px;font-size:14px;color:var(--gray)}
.pf-bio .pf-stats b{color:var(--ink);font-weight:700}
.pf-bio .pf-stats b{color:var(--ink);font-weight:700}
.pf-actions .msgbtn{flex:0 0 auto;width:38px;height:38px;border-radius:50%;border:1px solid #d7dde2;background:#fff;color:var(--ink);display:flex;align-items:center;justify-content:center;padding:0}
.pf-actions .msgbtn svg{width:18px;height:18px;display:block}
.pf-sec{font-size:13px;font-weight:800;color:var(--gray);text-transform:uppercase;letter-spacing:.6px;padding:8px 16px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#f7f9f9;margin-top:4px}
#imgPreview{display:none;position:relative;margin-top:8px}
#imgPreview img{max-width:100%;border-radius:12px;display:block}
#imgPreview button{position:absolute;top:6px;right:6px;background:rgba(0,0,0,.6);color:#fff;border-radius:50%;width:28px;height:28px;font-size:14px}
.tweet .avatar,.tweet .name{cursor:pointer}
.reply img{cursor:pointer}

/* full-height views: dvh keeps them right on iOS when the URL bar shows/hides */
#dmview,#profileview,#searchview,#tweetview,#replyview,#notifview{min-height:100vh;min-height:100dvh}

/* ===== bottom nav (mobile) ===== */
.bottomnav{position:fixed;bottom:0;left:0;right:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--line);display:flex;padding:8px 0 calc(8px + env(safe-area-inset-bottom))}
.bottomnav a{flex:1;text-align:center;font-size:23px;padding:4px 0;min-height:44px;display:flex;align-items:center;justify-content:center;color:var(--ink)}
.bottomnav a.on{color:var(--blue)}
.pagepad{height:calc(56px + env(safe-area-inset-bottom))}

/* ===== desktop ===== */
@media(min-width:1000px){
  .shell{max-width:1240px;display:flex;justify-content:center;gap:24px}
  .topbar-inner{max-width:1240px}
  .brand{max-width:600px;margin:0 auto}
  .tabs{max-width:600px;margin:0 auto}
  .feed{width:600px;flex-shrink:0;border-left:1px solid var(--line);border-right:1px solid var(--line);min-height:100vh}
  #dmview,#profileview,#searchview{width:600px;flex-shrink:0;border-left:1px solid var(--line);border-right:1px solid var(--line)}
  #dmview{position:sticky;top:0;height:100vh;height:100dvh}
  .sidenav{display:flex;flex-direction:column;width:240px;flex-shrink:0;position:sticky;top:0;height:100vh;padding:12px 8px;overflow-y:auto}
.sidenav .logo a{display:inline-block;border-radius:50%;transition:opacity .15s;padding:2px}
.sidenav .logo a:hover{opacity:.7}
.sidenav .logo img{display:block;border-radius:50%}
  .sidenav .logo{font-size:30px;padding:10px 12px}
  .snav{display:flex;align-items:center;gap:16px;font-size:20px;padding:11px 14px;border-radius:99px;font-weight:400}
  .snav:hover{background:#f0f3f4}
  .snav.on{font-weight:800}
  .snav .ic{font-size:24px;width:28px;text-align:center}
  .bigpost{display:block;width:92%;margin:14px auto;background:var(--blue);color:#fff;font-weight:800;font-size:17px;border-radius:99px;padding:14px 0;text-align:center}
  .me-mini{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:99px;margin-top:auto}
  .me-mini:hover{background:#f0f3f4}
  .me-mini img{width:40px;height:40px;border-radius:50%;object-fit:cover}
  .me-mini .n{font-weight:700;font-size:14px}
  .me-mini .h{color:var(--gray);font-size:13px}
  .rightbar{display:block;width:340px;flex-shrink:0;padding:12px 0;position:sticky;top:0;height:100vh;overflow-y:auto}
  .rsearch{background:#eff3f4;border-radius:99px;padding:11px 18px;font-size:15px;color:var(--gray);margin-bottom:14px}
  .rcard{background:#f7f9f9;border-radius:16px;margin-bottom:14px;overflow:hidden}
  .rcard h2{font-size:20px;font-weight:800;padding:12px 16px}
  .trend{padding:10px 16px;border-top:1px solid var(--line)}
  .trend:hover{background:#eef1f2}
  .trend .t{font-size:13px;color:var(--gray)}
  .trend .k{font-weight:700;font-size:15px}
  .trend .c{font-size:13px;color:var(--gray)}
  .who{display:flex;align-items:center;gap:10px;padding:10px 16px;border-top:1px solid var(--line)}
  .who:hover{background:#eef1f2}
  .who img{width:40px;height:40px;border-radius:50%;object-fit:cover}
  .who .n{font-weight:700;font-size:14px}
  .who .h{color:var(--gray);font-size:13px}
  .who button{margin-left:auto;background:#0f1419;color:#fff;font-size:14px;font-weight:700;border-radius:99px;padding:7px 16px}
  .bottomnav,.pagepad{display:none}
  .dm-compose{bottom:0;padding-bottom:14px}
}
@media(max-width:999px){
  .composer .cicons span:nth-child(n+4){display:none}
  /* keep last content clear of the fixed bottom nav */
  .feed{padding-bottom:calc(64px + env(safe-area-inset-bottom))}
  #profileview{padding-bottom:calc(64px + env(safe-area-inset-bottom))}
  #notifview{padding-bottom:calc(64px + env(safe-area-inset-bottom))}
}

/* ===== tweet detail ===== */
#tweetview{display:none;flex-direction:column;min-height:100vh;padding-bottom:calc(64px + env(safe-area-inset-bottom))}
#replyview{display:none;flex-direction:column;min-height:100vh;padding-bottom:calc(64px + env(safe-area-inset-bottom))}
.rc-head{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);display:flex;align-items:center;gap:14px;padding:10px 12px;border-bottom:1px solid var(--line)}
.rc-head .back{font-size:22px;padding:4px 10px;color:var(--ink)}
.rc-drafts{margin-left:auto;background:none;border:none;color:var(--blue);font-size:15px;font-weight:400;font-family:inherit;padding:8px 4px}
.rc-send{background:var(--blue);color:#fff;font-weight:700;font-size:15px;border-radius:99px;padding:8px 20px;font-family:inherit}
.rc-send:disabled{opacity:.45}
.rc-orig{display:flex;gap:12px;padding:14px 16px 0}
.rc-orig>img{width:40px;height:40px;border-radius:50%;object-fit:cover;flex-shrink:0}
.rc-orig-main{flex:1;min-width:0}
.rc-orig-top .n{font-weight:800;font-size:15px}
.rc-orig-top .h{font-size:14px;color:var(--gray);margin-left:6px}
.rc-orig-text{font-size:15px;line-height:1.4;margin-top:2px}
.rc-replying{font-size:14px;color:var(--gray);margin:10px 0 4px}
.rc-replying span{color:var(--blue)}
.rc-compose{display:flex;gap:12px;padding:12px 16px}
.rc-compose>img{width:40px;height:40px;border-radius:50%;object-fit:cover;flex-shrink:0}
.rc-compose textarea{flex:1;min-width:0;border:none;outline:none;resize:none;font-family:inherit;font-size:19px;padding:8px 0;min-height:120px;color:var(--ink)}
#rcImgPreview{display:none;padding:0 16px}
#rcImgPreview img{max-width:100%;border-radius:16px;border:1px solid var(--line)}
#rcImgPreview button{background:rgba(0,0,0,.6);color:#fff;border-radius:50%;width:28px;height:28px;margin:8px}
.rc-tools{display:flex;gap:4px;padding:8px 12px;border-top:1px solid var(--line)}
.rc-tools button{color:var(--blue);padding:8px}
.rc-tools button svg{width:20px;height:20px;display:block}
#rcDrafts{border-top:1px solid var(--line)}
.rc-drafts-empty{padding:20px;text-align:center;color:var(--gray);font-size:14px}
.rc-draft{position:relative;padding:12px 16px;border-bottom:1px solid var(--line)}
.rc-draft-text{font-size:15px;padding-right:36px}
.rc-draft-sub{font-size:13px;color:var(--gray);margin-top:4px}
.rc-draft-del{position:absolute;top:12px;right:12px;color:var(--gray);font-size:16px;padding:4px}
.reply-img{margin-top:8px;max-width:100%;height:auto;border-radius:12px;border:1px solid var(--line)}
.rf-main{flex:1;min-width:0}
#sentBanner{position:fixed;left:12px;right:12px;bottom:calc(76px + env(safe-area-inset-bottom));z-index:200;background:var(--blue);color:#fff;border-radius:12px;padding:14px 16px;display:flex;align-items:center;justify-content:space-between;font-size:15px;box-shadow:0 8px 24px rgba(0,0,0,.18)}
#sentBanner button{background:none;border:none;color:#fff;font-weight:700;font-size:15px;font-family:inherit;padding:4px 8px}
.sheet-overlay{position:fixed;inset:0;background:rgba(15,20,25,.4);z-index:290}
.sheet{position:fixed;left:0;right:0;bottom:0;z-index:300;background:#fff;border-radius:20px 20px 0 0;padding:12px 8px calc(20px + env(safe-area-inset-bottom));box-shadow:0 -8px 32px rgba(0,0,0,.15)}
.sheet button{display:flex;align-items:center;gap:14px;width:100%;padding:14px 16px;font-size:17px;font-weight:700;color:var(--ink);font-family:inherit;background:none;border:none;text-align:left}
.sheet button svg{width:22px;height:22px}
.sheet.pop{position:absolute;left:auto;right:auto;bottom:auto;top:auto;width:200px;border-radius:16px;padding:8px;box-shadow:0 8px 32px rgba(0,0,0,.18)}
.sheet.pop button{padding:12px;border-radius:10px;font-size:15px}
.sheet.pop button:hover{background:#f0f3f4}
.quote-card{margin-top:10px;border:1px solid var(--line);border-radius:16px;padding:12px;overflow:hidden}
.quote-card .qc-head{display:flex;align-items:center;gap:8px}
.quote-card .qc-head img{width:22px;height:22px;border-radius:50%;object-fit:cover}
.quote-card .qc-head .n{font-weight:800;font-size:14px}
.quote-card .qc-head .h{font-size:13px;color:var(--gray)}
.quote-card .qc-text{font-size:14px;line-height:1.4;margin-top:4px}
.rc-quote-card{margin:0 16px;border:1px solid var(--line);border-radius:16px;padding:12px}
.rc-quote-card .qc-head{display:flex;align-items:center;gap:8px}
.rc-quote-card .qc-head img{width:22px;height:22px;border-radius:50%;object-fit:cover}
.rc-quote-card .qc-head .n{font-weight:800;font-size:14px}
.rc-quote-card .qc-head .h{font-size:13px;color:var(--gray)}
.rc-quote-card .qc-text{font-size:14px;line-height:1.4;margin-top:4px}
@media(min-width:1000px){
  #replyview{width:600px;flex-shrink:0;border-left:1px solid var(--line);border-right:1px solid var(--line)}
  #sentBanner{left:auto;right:24px;width:360px;bottom:24px}
}
.tw-head{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:14px;padding:10px 12px}
.tw-head .back{font-size:22px;padding:4px 10px;color:var(--blue)}
.tw-head .t{font-weight:800;font-size:19px}
.tw-detail{padding:14px 16px;border-bottom:1px solid var(--line)}
.tw-detail .who{display:flex;gap:12px;align-items:center;margin-bottom:10px}
.tw-detail .who img{width:48px;height:48px;border-radius:50%;object-fit:cover;cursor:pointer}
.tw-detail .who .n{font-weight:800;font-size:16px;cursor:pointer}
.tw-detail .who .h{font-size:14px;color:var(--gray)}
.tw-detail .big{font-size:21px;line-height:1.4;margin:4px 0 12px}
.tw-detail .tweet-img{margin:0 0 12px}
.tw-detail .when{font-size:14px;color:var(--gray);padding-bottom:12px;border-bottom:1px solid var(--line)}
.tw-detail .counts{display:flex;gap:18px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--gray)}
.tw-detail .counts b{color:var(--ink);font-weight:800;margin-right:4px}
.tw-detail .tweet-actions{justify-content:space-around;max-width:100%;padding:8px 0 0}
.tw-detail .tweet-actions .act{font-size:19px}
.rp-label{display:flex;align-items:center;gap:6px;padding:12px 16px 0;font-size:13px;font-weight:700;color:var(--gray)}
.rp-label svg{width:15px;height:15px}
.replybox{display:flex;gap:10px;padding:12px 16px;border-bottom:8px solid #f0f3f4}
.replybox img{width:40px;height:40px;border-radius:50%;object-fit:cover;flex-shrink:0}
.replybox .rb-main{flex:1;min-width:0}
.replybox textarea{width:100%;border:none;outline:none;resize:none;font-family:inherit;font-size:17px;padding:6px 0;min-height:40px;color:var(--ink)}
.replybox .rb-bar{display:flex;justify-content:flex-end;padding-top:6px}
.reply-full.is-pending{opacity:.55}
.rp-pending{font-size:11px;color:var(--gray);margin-left:6px;font-weight:400}
.replies-sec{padding:0}
.reply-full{display:flex;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line)}
.reply-full img{width:40px;height:40px;border-radius:50%;object-fit:cover;flex-shrink:0;cursor:pointer}
.reply-full .rn{font-weight:800;font-size:15px;cursor:pointer}
.reply-full .rh{font-size:13px;color:var(--gray);margin-left:6px}
.reply-full .rt{font-size:15px;line-height:1.4;margin-top:2px}
@media(min-width:1000px){
  #tweetview{width:600px;flex-shrink:0;border-left:1px solid var(--line);border-right:1px solid var(--line)}
  #notifview{width:600px;flex-shrink:0;border-left:1px solid var(--line);border-right:1px solid var(--line)}
  .replybox{border-bottom:8px solid #f0f3f4}
}

/* ===== slide-in menu drawer ===== */
.drawer-overlay{position:fixed;inset:0;background:rgba(15,20,25,.45);opacity:0;pointer-events:none;transition:opacity .25s ease;z-index:90}
body.drawer-open .drawer-overlay{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;left:0;bottom:0;width:min(320px,86vw);background:#fff;z-index:100;transform:translateX(-106%);transition:transform .28s cubic-bezier(.32,.72,0,1);display:flex;flex-direction:column;overflow-y:auto;box-shadow:10px 0 28px rgba(15,20,25,.14);padding:calc(14px + env(safe-area-inset-top)) 0 calc(20px + env(safe-area-inset-bottom))}
body.drawer-open .drawer{transform:translateX(0)}
.dr-head{padding:4px 20px 14px;position:relative;border-bottom:1px solid var(--line)}
.dr-close{position:absolute;top:2px;right:10px;font-size:18px;color:var(--gray);padding:8px}
.dr-head img{width:52px;height:52px;border-radius:50%;object-fit:cover;background:#f5f5f7;margin-bottom:10px}
.dr-n{font-weight:800;font-size:19px}
.dr-h{font-size:14px;color:var(--gray);margin-top:1px}
.dr-counts{display:flex;gap:18px;margin-top:10px;font-size:14px;color:var(--gray)}
.dr-counts b{color:var(--ink);font-weight:800;margin-right:4px}
.dr-menu{padding:8px 0}
.dr-menu a{display:flex;align-items:center;gap:16px;font-size:19px;font-weight:700;padding:13px 20px;cursor:pointer}
.dr-menu a:active{background:#f0f3f4}
.dr-menu .ic{width:28px;text-align:center;display:flex;align-items:center;justify-content:center}
.dr-menu .ic svg{width:24px;height:24px;display:block}
.dr-soon{padding:4px 20px}
.dr-soon-box{border:1px solid var(--line);border-radius:14px;background:#f7f9f9;padding:14px 16px;font-size:14px;color:var(--gray);line-height:1.45}

/* ===== login view ===== */
#loginview{display:none;position:fixed;inset:0;background:#fff;z-index:200;align-items:center;justify-content:center;padding:24px;overflow-y:auto}
.login-wrap{text-align:center;max-width:360px;width:100%;margin:auto}
.login-logo{width:96px;height:96px;border-radius:50%;margin:0 auto 24px;display:block;box-shadow:0 2px 12px rgba(0,0,0,.08)}
.login-wrap h1{font-size:26px;font-weight:800;margin:0 0 8px;letter-spacing:-.3px}
.login-sub{color:var(--gray);font-size:15px;margin:0 0 32px}
.login-users{display:flex;flex-direction:column;gap:12px}
.login-user{display:flex;align-items:center;gap:16px;padding:16px;border:1px solid var(--line);border-radius:18px;background:#fff;cursor:pointer;font-size:18px;font-weight:700;text-align:left;width:100%;transition:background .15s,border-color .15s}
.login-user:hover{background:#f7f9f9;border-color:#cfd9de}
.login-user:active{transform:scale(.99)}
.login-user img{width:56px;height:56px;border-radius:50%;object-fit:cover;background:#f5f5f7;flex-shrink:0}

/* Delete controls for own replies and DMs (Dave's call: delete for posts, replies, DMs) */
.reply-del{float:right;color:var(--gray);font-size:14px;padding:2px 6px;border-radius:6px;line-height:1}
.reply-del:hover{color:#c0392b;background:#fdecea}
.dm-bubble{position:relative}
.dm-del{position:absolute;top:-9px;right:-9px;width:22px;height:22px;border-radius:50%;background:#fff;border:1px solid var(--line);color:var(--gray);font-size:11px;line-height:1;box-shadow:0 1px 3px rgba(0,0,0,.12);display:none}
.dm-bubble:hover .dm-del{display:block}