/* ProdXVerse Community - app.css
   Calm, modern SaaS UI. Light theme, blue accent, soft cards. */

:root{
  --bg:#f5f6f8;
  --surface:#ffffff;
  --surface-2:#fbfcfd;
  --ink:#15181d;
  --ink-2:#4a5260;
  --muted:#8a93a2;
  --line:#e7eaef;
  --line-2:#eef1f5;
  --brand:#2f6fed;
  --brand-ink:#1f54c0;
  --brand-soft:#eaf1fe;
  --ok:#16a34a;
  --ok-soft:#e7f6ec;
  --err:#dc2626;
  --err-soft:#fdecec;
  --warn:#ca8a04;
  --gold:#d9a300;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 1px 2px rgba(16,24,40,.04), 0 6px 18px rgba(16,24,40,.06);
  --shadow-lg:0 12px 40px rgba(16,24,40,.14);
  --topbar-h:60px;
  --side-w:248px;
  --maxw:760px;
  font-synthesis:none;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"Plus Jakarta Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:var(--bg); color:var(--ink);
  font-size:15px; line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand); text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%; display:block}
h1,h2,h3,h4{margin:0 0 .4em; line-height:1.25; letter-spacing:-.01em}
h1{font-size:1.5rem; font-weight:800}
h2{font-size:1.2rem; font-weight:700}
h3{font-size:1.02rem; font-weight:700}
p{margin:0 0 1rem}
.muted{color:var(--muted)}
.small{font-size:.82rem}
.pad{padding:16px}
.center{text-align:center}
hr{border:0;border-top:1px solid var(--line);margin:18px 0}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 14px;border-radius:8px;z-index:200}
.skip-link:focus{left:12px;top:12px}

:focus-visible{outline:3px solid var(--brand-soft); outline-offset:2px; border-radius:6px}

/* ---------- Topbar ---------- */
.topbar{
  position:sticky;top:0;z-index:50;height:var(--topbar-h);
  display:flex;align-items:center;gap:12px;padding:0 18px;
  background:rgba(255,255,255,.86);backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;letter-spacing:-.02em}
.brand:hover{text-decoration:none}
.brand-mark{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--brand),#5b8bf5);
  color:#fff;display:grid;place-items:center;font-weight:800;box-shadow:var(--shadow)}
.brand-name{font-size:1.02rem}
.topbar-spacer{flex:1}
.topbar-actions{display:flex;align-items:center;gap:6px}
.icon-btn{position:relative;border:0;background:transparent;font-size:1.1rem;width:40px;height:40px;border-radius:10px;cursor:pointer;color:var(--ink-2)}
.icon-btn:hover{background:var(--line-2)}
.nav-toggle{display:none}
.badge{position:absolute;top:5px;right:5px;background:var(--err);color:#fff;font-size:.62rem;font-weight:700;
  min-width:16px;height:16px;border-radius:9px;display:grid;place-items:center;padding:0 4px}
.avatar-btn{border:0;background:transparent;padding:0;cursor:pointer;border-radius:50%}

/* ---------- Avatars / badges ---------- */
.avatar{border-radius:50%;object-fit:cover;flex:none}
.avatar-initials{display:inline-grid;place-items:center;color:#fff;font-weight:700;border-radius:50%}
.level-badge{display:inline-block;background:var(--brand-soft);color:var(--brand-ink);font-weight:700;
  font-size:.72rem;padding:1px 7px;border-radius:20px}
.role-pill{font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;padding:2px 8px;border-radius:20px}
.role-admin{background:#fdeede;color:#b45309}
.role-moderator{background:#e8eefe;color:var(--brand-ink)}
.role-member{background:var(--line-2);color:var(--ink-2)}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;font-weight:600;padding:3px 10px;border-radius:20px;background:var(--line-2);color:var(--ink-2)}
.dot{width:8px;height:8px;border-radius:50%;flex:none;display:inline-block}

/* ---------- Popovers ---------- */
.notif-wrap,.menu-wrap{position:relative}
.popover{position:absolute;top:48px;right:0;width:320px;max-width:88vw;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-lg);z-index:80;overflow:hidden}
.popover-right{right:0}
.popover[hidden]{display:none}
.popover a{display:block;padding:11px 16px;color:var(--ink);font-weight:500}
.popover a:hover{background:var(--surface-2);text-decoration:none}
.popover a.danger{color:var(--err)}
.popover-head{padding:12px 16px;font-weight:700;border-bottom:1px solid var(--line)}
.notif-list{max-height:60vh;overflow:auto}
.notif-item{display:block;padding:11px 16px;border-bottom:1px solid var(--line-2);color:var(--ink);font-size:.88rem}
.notif-item:hover{background:var(--surface-2);text-decoration:none}
.notif-item.unread{background:var(--brand-soft)}
.notif-item .t{color:var(--muted);font-size:.74rem;margin-top:2px}

/* ---------- Shell / sidebar ---------- */
.shell{display:flex;max-width:1240px;margin:0 auto;gap:24px;padding:0 18px}
.sidebar{position:sticky;top:calc(var(--topbar-h));align-self:flex-start;width:var(--side-w);flex:none;
  padding:20px 0;height:calc(100vh - var(--topbar-h))}
.side-user{display:flex;align-items:center;gap:10px;padding:10px 12px;margin-bottom:10px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.side-user-meta{display:flex;flex-direction:column;min-width:0}
.side-user-meta strong{font-size:.92rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.nav a{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:10px;color:var(--ink-2);font-weight:600;font-size:.92rem}
.nav a:hover{background:var(--surface);text-decoration:none;color:var(--ink)}
.nav a.active{background:var(--brand-soft);color:var(--brand-ink)}
.nav-ic{width:20px;text-align:center}
.nav .nav-badge{margin-left:auto;background:var(--brand);color:#fff;font-size:.66rem;font-weight:800;border-radius:20px;min-width:18px;height:18px;display:inline-grid;place-items:center;padding:0 5px}
.nav a.active .nav-badge{background:var(--brand-ink)}
.nav-sep{font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);padding:14px 12px 4px;font-weight:700}
.sidebar-overlay{display:none}

.content{flex:1;min-width:0;padding:22px 0 90px;max-width:var(--maxw);width:100%}
.content.wide{max-width:980px}
.content.feed-wide{max-width:980px}

/* ---------- Feed home (centre + right rail) ---------- */
.feed-layout{display:grid;grid-template-columns:minmax(0,1fr) 288px;gap:24px;align-items:start}
.feed-main{min-width:0}
.rail{position:sticky;top:calc(var(--topbar-h) + 22px);display:flex;flex-direction:column;gap:16px}
.rail-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}
.rail-card h4{font-size:.74rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:0 0 12px;font-weight:800}
.rail-row{display:flex;align-items:center;gap:10px;padding:7px 0}
.rail-row + .rail-row{border-top:1px solid var(--line-2)}
.rail-row .grow{flex:1;min-width:0}
.rail-row .ttl{font-weight:600;font-size:.86rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rail-row .sub{color:var(--muted);font-size:.74rem}
.rail-mini-date{width:42px;flex:none;text-align:center;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.rail-mini-date .m{background:var(--brand);color:#fff;font-size:.58rem;font-weight:800;padding:2px 0;text-transform:uppercase}
.rail-mini-date .d{font-size:1.05rem;font-weight:800;padding:1px 0}
.rail-empty{color:var(--muted);font-size:.82rem;padding:4px 0}
.rail-link{display:block;text-align:center;font-size:.8rem;font-weight:700;margin-top:10px;padding-top:10px;border-top:1px solid var(--line-2)}
.prog-card .big{font-size:1.7rem;font-weight:800;line-height:1}
.prog-card .lvl{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.rank-num{width:22px;flex:none;text-align:center;font-weight:800;color:var(--muted)}
.rank-num.top1{color:var(--gold)} .rank-num.top2{color:#9aa3af} .rank-num.top3{color:#b87333}

/* ---------- Greeting ---------- */
.greeting{margin-bottom:18px}
.greeting h1{font-size:1.55rem;margin-bottom:2px}
.greeting .sub{color:var(--muted);font-size:.92rem}

/* ---------- Cards ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin-bottom:16px}
.card.tight{padding:14px}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.page-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.page-head .sub{color:var(--muted);font-size:.9rem}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;
  background:var(--brand);color:#fff;font-family:inherit;font-weight:700;font-size:.9rem;
  padding:10px 16px;border-radius:10px;cursor:pointer;transition:transform .04s,filter .15s;line-height:1}
.btn:hover{filter:brightness(1.05);text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:var(--surface-2);filter:none}
.btn-soft{background:var(--brand-soft);color:var(--brand-ink)}
.btn-soft:hover{filter:none;background:#dde9fe}
.btn-danger{background:var(--err)}
.btn-sm{padding:7px 12px;font-size:.82rem;border-radius:9px}
.btn-block{width:100%}
.btn-row{display:flex;gap:10px;flex-wrap:wrap}

/* ---------- Forms ---------- */
label{display:block;font-weight:600;font-size:.85rem;margin:0 0 6px;color:var(--ink-2)}
.field{margin-bottom:14px}
input[type=text],input[type=email],input[type=password],input[type=url],input[type=datetime-local],
input[type=date],input[type=search],select,textarea{
  width:100%;font-family:inherit;font-size:.92rem;color:var(--ink);background:var(--surface-2);
  border:1px solid var(--line);border-radius:10px;padding:10px 12px;transition:border-color .15s,background .15s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);background:#fff}
textarea{resize:vertical;min-height:84px}
.hint{font-size:.78rem;color:var(--muted);margin-top:5px}
.form-row{display:flex;gap:12px;flex-wrap:wrap}
.form-row>*{flex:1;min-width:160px}
fieldset{border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin:0 0 14px}
legend{font-weight:700;font-size:.82rem;padding:0 6px;color:var(--ink-2)}
.check{display:flex;align-items:center;gap:9px;font-weight:500;margin:0 0 8px}
.check input{width:auto}

/* ---------- Toasts ---------- */
.toast{padding:11px 14px;border-radius:10px;margin-bottom:16px;font-weight:600;font-size:.88rem}
.toast-ok{background:var(--ok-soft);color:#15803d}
.toast-err{background:var(--err-soft);color:#b91c1c}

/* ---------- Feed / posts ---------- */
.composer textarea{min-height:64px;border:0;background:transparent;padding:6px 0;font-size:1rem}
.composer textarea:focus{background:transparent}
.composer-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1px solid var(--line-2);padding-top:12px;margin-top:6px}
.filter-row{display:flex;gap:8px;overflow-x:auto;padding-bottom:12px;margin-bottom:6px;scrollbar-width:thin}
.filter-row a{white-space:nowrap}
.post-head{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.post-head .who{font-weight:700;font-size:.92rem;color:var(--ink)}
.post-meta{color:var(--muted);font-size:.78rem}
.post-body{font-size:.96rem;white-space:pre-wrap;word-wrap:break-word}
.post-img{margin-top:12px;border-radius:12px;border:1px solid var(--line);max-height:520px;width:auto}
.post-actions{display:flex;gap:6px;margin-top:12px;border-top:1px solid var(--line-2);padding-top:10px}
.act{display:inline-flex;align-items:center;gap:7px;border:0;background:transparent;color:var(--ink-2);
  font-family:inherit;font-weight:600;font-size:.85rem;padding:7px 11px;border-radius:9px;cursor:pointer}
.act:hover{background:var(--line-2)}
.act.liked{color:var(--brand)}
.pin-flag{font-size:.72rem;font-weight:700;color:var(--gold)}
.post-tools{margin-left:auto;display:flex;gap:2px;flex:none}
.post-tools button{border:0;background:transparent;color:var(--muted);font-family:inherit;font-size:.8rem;font-weight:600;padding:5px 8px;border-radius:8px;cursor:pointer}
.post-tools button:hover{background:var(--line-2);color:var(--ink)}
.post-tools button.danger:hover{background:var(--err-soft);color:var(--err)}
.post-tools button.pinned{color:var(--gold)}
.comment{display:flex;gap:9px;padding:10px 0;border-top:1px solid var(--line-2)}
.comment .bubble{background:var(--surface-2);border:1px solid var(--line-2);border-radius:12px;padding:8px 12px;flex:1}
.comment .who{font-weight:700;font-size:.84rem}
.cmt-del{border:0;background:transparent;color:var(--muted);font-size:.72rem;font-weight:600;cursor:pointer;margin-left:6px;padding:0}
.cmt-del:hover{color:var(--err);text-decoration:underline}
.comment-form{display:flex;gap:9px;align-items:flex-start;margin-top:12px}
.comment-form textarea{min-height:40px}

/* ---------- Course / classroom ---------- */
.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.course-card{display:flex;flex-direction:column;overflow:hidden;padding:0}
.course-cover{aspect-ratio:16/9;background:linear-gradient(135deg,#dfe7fb,#eef2fb);display:grid;place-items:center;color:var(--brand-ink);font-weight:800;font-size:1.4rem}
.course-card .body{padding:14px 16px 16px}
.progress{height:8px;background:var(--line-2);border-radius:20px;overflow:hidden;margin-top:8px}
.progress>i{display:block;height:100%;background:var(--ok);border-radius:20px}
.lesson-row{display:flex;align-items:center;gap:10px;padding:11px 12px;border:1px solid var(--line);border-radius:10px;margin-bottom:8px;background:var(--surface)}
.lesson-row.done{background:var(--ok-soft);border-color:#cdeed6}
.lesson-row .ix{width:26px;height:26px;border-radius:50%;background:var(--line-2);display:grid;place-items:center;font-size:.78rem;font-weight:700;flex:none}
.lesson-row.done .ix{background:var(--ok);color:#fff}
.video-wrap{position:relative;aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:#000;margin-bottom:16px}
.video-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.module-title{font-size:.78rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);font-weight:700;margin:18px 0 8px}

/* ---------- Tasks ---------- */
.task-row{display:flex;gap:12px;align-items:flex-start}
.task-row .grow{flex:1;min-width:0}
.task-status{font-size:.74rem;font-weight:700;padding:2px 9px;border-radius:20px}
.st-pending{background:#fdeede;color:#b45309}
.st-done{background:var(--ok-soft);color:#15803d}
.st-overdue{background:var(--err-soft);color:#b91c1c}
.assignee-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:8px;margin-top:10px}
.assignee{display:flex;align-items:center;gap:8px;font-size:.85rem;padding:6px 8px;border:1px solid var(--line);border-radius:9px}

/* ---------- Events ---------- */
.event-row{display:flex;gap:14px;align-items:flex-start}
.event-date{width:58px;flex:none;text-align:center;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.event-date .m{background:var(--brand);color:#fff;font-size:.66rem;font-weight:700;padding:3px 0;text-transform:uppercase}
.event-date .d{font-size:1.3rem;font-weight:800;padding:4px 0}
.rsvp-row{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.rsvp-row .act.active{background:var(--brand);color:#fff}

/* ---------- Chat ---------- */
.chat-wrap{display:grid;grid-template-columns:230px 1fr;gap:0;height:calc(100vh - var(--topbar-h) - 44px);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.chat-list{border-right:1px solid var(--line);overflow-y:auto;background:var(--surface-2)}
.chan{display:flex;align-items:center;gap:9px;padding:11px 14px;cursor:pointer;border:0;width:100%;background:transparent;
  font-family:inherit;font-size:.88rem;font-weight:600;color:var(--ink-2);text-align:left}
.chan:hover{background:var(--line-2)}
.chan.active{background:var(--brand-soft);color:var(--brand-ink)}
.chan .unread{margin-left:auto;background:var(--brand);color:#fff;font-size:.66rem;font-weight:700;border-radius:10px;padding:1px 6px}
.chat-list-head{padding:11px 14px;font-size:.7rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);font-weight:700}
.chat-main{display:flex;flex-direction:column;min-width:0}
.chat-head{padding:13px 18px;border-bottom:1px solid var(--line);font-weight:700;flex:none}
.chat-msgs{flex:1;overflow-y:auto;padding:16px 18px;display:flex;flex-direction:column;gap:10px}
.msg{display:flex;gap:9px;max-width:80%}
.msg .bubble{background:var(--surface-2);border:1px solid var(--line-2);padding:8px 12px;border-radius:12px}
.msg .who{font-size:.76rem;font-weight:700;color:var(--ink-2);margin-bottom:1px}
.msg .when{font-size:.68rem;color:var(--muted);margin-top:2px}
.msg.mine{align-self:flex-end;flex-direction:row-reverse}
.msg.mine .bubble{background:var(--brand);color:#fff;border-color:var(--brand)}
.msg.mine .who,.msg.mine .when{color:rgba(255,255,255,.85);text-align:right}
.chat-compose{display:flex;gap:9px;padding:12px 16px;border-top:1px solid var(--line);flex:none}
.chat-compose input{flex:1}

/* ---------- Members / leaderboard ---------- */
.member-row{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line-2)}
.member-row .meta{flex:1;min-width:0}
.member-row .name{font-weight:700}
.lb-row{display:flex;align-items:center;gap:14px;padding:12px 0;border-bottom:1px solid var(--line-2)}
.lb-rank{width:34px;font-weight:800;font-size:1.05rem;color:var(--muted);text-align:center;flex:none}
.lb-rank.top1{color:var(--gold)} .lb-rank.top2{color:#9aa3af} .lb-rank.top3{color:#b87333}
.tabs{display:flex;gap:6px;margin-bottom:16px;border-bottom:1px solid var(--line)}
.tabs a{padding:9px 14px;font-weight:700;font-size:.88rem;color:var(--ink-2);border-bottom:2px solid transparent;margin-bottom:-1px}
.tabs a:hover{text-decoration:none}
.tabs a.active{color:var(--brand);border-color:var(--brand)}

/* ---------- Profile ---------- */
.profile-head{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.profile-stats{display:flex;gap:24px;margin-top:8px}
.profile-stats .n{font-size:1.3rem;font-weight:800;display:block}
.profile-stats .l{font-size:.76rem;color:var(--muted)}

/* ---------- Empty state ---------- */
.empty{text-align:center;padding:46px 20px;color:var(--muted)}
.empty .ic{font-size:2.2rem;margin-bottom:8px}

/* ---------- Tables (admin) ---------- */
.table{width:100%;border-collapse:collapse;font-size:.9rem}
.table th,.table td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line-2);vertical-align:middle}
.table th{font-size:.74rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:700}
.table tr:hover td{background:var(--surface-2)}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}
.admin-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:20px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.stat .n{font-size:1.7rem;font-weight:800}
.stat .l{color:var(--muted);font-size:.82rem}
.copybox{display:flex;gap:8px;margin-top:6px}
.copybox input{font-size:.8rem}

/* ---------- Auth pages ---------- */
.auth-screen{min-height:100vh;display:grid;place-items:center;padding:24px;
  background:radial-gradient(1200px 500px at 50% -10%, #e7eefe 0%, var(--bg) 60%)}
.auth-card{width:100%;max-width:400px;background:var(--surface);border:1px solid var(--line);
  border-radius:18px;box-shadow:var(--shadow-lg);padding:30px}
.auth-card .brand{justify-content:center;margin-bottom:6px}
.auth-card h1{text-align:center;font-size:1.3rem}
.auth-sub{text-align:center;color:var(--muted);margin-bottom:22px;font-size:.9rem}

/* ---------- Mobile bottom bar ---------- */
.mobilebar{display:none}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .feed-layout{grid-template-columns:1fr}
  .rail{display:none}
  .content.feed-wide{max-width:var(--maxw)}
}
@media (max-width:920px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .nav-toggle{display:grid;place-items:center}
  .sidebar{position:fixed;top:var(--topbar-h);left:0;z-index:60;background:var(--surface);
    width:270px;border-right:1px solid var(--line);transform:translateX(-100%);transition:transform .22s ease;
    padding:18px;box-shadow:var(--shadow-lg)}
  body.nav-open .sidebar{transform:translateX(0)}
  body.nav-open .sidebar-overlay{display:block;position:fixed;inset:var(--topbar-h) 0 0 0;background:rgba(10,15,25,.35);z-index:55}
  .shell{padding:0 12px;gap:0}
  .content{padding:16px 0 86px;max-width:100%}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .brand-name{display:none}
  .mobilebar{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:60;background:var(--surface);
    border-top:1px solid var(--line);padding:6px 4px env(safe-area-inset-bottom)}
  .mobilebar a{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;font-size:1.1rem;
    color:var(--muted);padding:6px 0;border-radius:9px}
  .mobilebar a span{font-size:.62rem;font-weight:700}
  .mobilebar a.active{color:var(--brand)}
  .mobilebar a{position:relative}
  .mobilebar .mb-badge{position:absolute;top:2px;right:50%;transform:translateX(14px);background:var(--err);color:#fff;font-size:.56rem;font-weight:800;border-radius:10px;min-width:14px;height:14px;display:grid;place-items:center;padding:0 3px}
  .chat-wrap{grid-template-columns:1fr;height:calc(100vh - var(--topbar-h) - 70px)}
  .chat-wrap.show-thread .chat-list{display:none}
  .chat-wrap:not(.show-thread) .chat-main{display:none}
  .popover{position:fixed;top:var(--topbar-h);right:8px}
}