/* ============================================================
   NEXUS COMMUNITY — Gaming Forum Theme
   Dark futuristic aesthetic · crimson (#ff2b2b) + deep navy/black
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root{
  --red:#ff2b2b;
  --red-soft:#ff4646;
  --red-glow:rgba(255,43,43,.45);
  --bg:#070a12;
  --bg-2:#0a0e1a;
  --panel:rgba(17,22,36,.72);
  --panel-solid:#111624;
  --panel-2:rgba(21,27,44,.6);
  --row:rgba(255,255,255,.015);
  --border:rgba(255,255,255,.06);
  --border-glow:rgba(255,43,43,.18);
  --text:#e7ebf5;
  --text-2:#aab2c6;
  --text-3:#6c748c;
  --text-mute:#565f76;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 18px 45px -18px rgba(0,0,0,.75);
  --font-display:'Chakra Petch',sans-serif;
  --font-body:'Inter',sans-serif;
  --sidebar-w:216px;
  --rightbar-w:340px;
  --header-h:64px;
}

/* ---------- Reset ---------- */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  background:
    radial-gradient(1200px 700px at 78% -8%, rgba(255,43,43,.10), transparent 60%),
    radial-gradient(900px 600px at 8% 0%, rgba(41,63,120,.14), transparent 55%),
    var(--bg);
  color:var(--text);
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input{font-family:inherit}

#particles-bg{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.55}

.caret{display:inline-block;width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid currentColor;margin-left:3px;vertical-align:middle;opacity:.7}

/* ============================================================
   TOP HEADER
   ============================================================ */
.topbar{
  position:fixed;top:0;left:0;right:0;height:var(--header-h);z-index:100;
  background:rgba(9,12,20,.72);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border);
  box-shadow:0 1px 0 rgba(255,43,43,.14), 0 10px 40px -20px rgba(255,43,43,.4);
}
.topbar-inner{height:100%;display:flex;align-items:center;padding:0 22px;gap:18px}

.logo{display:flex;align-items:center;gap:10px;width:calc(var(--sidebar-w) - 22px);flex-shrink:0}
.logo-mark{filter:drop-shadow(0 0 8px var(--red-glow));display:flex}
.logo-text{font-family:var(--font-display);font-weight:700;font-size:22px;letter-spacing:5px}

.topnav{display:flex;align-items:center;gap:30px;flex:1;justify-content:center}
.topnav a{
  font-family:var(--font-display);font-weight:600;font-size:12.5px;letter-spacing:1.2px;
  color:var(--text-2);position:relative;padding:6px 2px;transition:color .25s;
}
.topnav a:hover{color:#fff}
.topnav a.active{color:#fff}
.topnav a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-21px;height:2.5px;border-radius:2px;
  background:var(--red);box-shadow:0 0 12px var(--red-glow);
}

.topbar-right{display:flex;align-items:center;gap:12px;flex-shrink:0}
.search-box{
  display:flex;align-items:center;gap:8px;width:210px;height:38px;padding:0 14px;
  background:rgba(255,255,255,.035);border:1px solid var(--border);border-radius:10px;
  color:var(--text-3);transition:border-color .25s,box-shadow .25s;
}
.search-box:focus-within{border-color:var(--border-glow);box-shadow:0 0 0 3px rgba(255,43,43,.08)}
.search-box .ico{flex-shrink:0}
.search-box input{background:none;border:none;outline:none;color:var(--text);font-size:13px;width:100%}
.search-box input::placeholder{color:var(--text-3)}

.icon-btn{
  position:relative;width:40px;height:40px;border-radius:10px;color:var(--text-2);
  display:grid;place-items:center;border:1px solid transparent;transition:.25s;
}
.icon-btn:hover{color:#fff;background:rgba(255,43,43,.08);border-color:var(--border-glow)}
.icon-btn .dot{position:absolute;top:9px;right:10px;width:7px;height:7px;border-radius:50%;background:var(--red);box-shadow:0 0 8px var(--red)}

.profile-chip{
  display:flex;align-items:center;gap:9px;height:40px;padding:0 12px 0 5px;border-radius:24px;
  background:rgba(255,255,255,.035);border:1px solid var(--border);transition:.25s;
}
.profile-chip:hover{border-color:var(--border-glow);background:rgba(255,43,43,.06)}
.profile-chip img{width:30px;height:30px;border-radius:50%;border:1.5px solid var(--red);box-shadow:0 0 8px var(--red-glow)}
.profile-chip span{font-family:var(--font-display);font-weight:600;font-size:12px;letter-spacing:1px}

/* ============================================================
   SHELL GRID
   ============================================================ */
.shell{
  position:relative;z-index:1;
  display:grid;
  grid-template-columns:var(--sidebar-w) minmax(0,1fr) var(--rightbar-w);
  padding-top:var(--header-h);
  align-items:start;
}

/* ============================================================
   LEFT SIDEBAR
   ============================================================ */
.sidebar{
  position:sticky;top:var(--header-h);height:calc(100vh - var(--header-h));
  display:flex;flex-direction:column;padding:18px 12px 14px;
  border-right:1px solid var(--border);
  background:linear-gradient(180deg, rgba(11,15,26,.5), rgba(8,11,19,.2));
  overflow-y:auto;
}
.sidebar::-webkit-scrollbar{width:5px}
.sidebar::-webkit-scrollbar-thumb{background:rgba(255,255,255,.06);border-radius:3px}

.side-nav{display:flex;flex-direction:column;gap:2px}
.side-item{
  display:flex;align-items:center;gap:13px;height:42px;padding:0 14px;border-radius:10px;
  font-family:var(--font-display);font-weight:500;font-size:12.5px;letter-spacing:.8px;
  color:var(--text-2);position:relative;transition:.22s;width:100%;text-align:left;
}
.side-item .si{width:19px;height:19px;flex-shrink:0;stroke:currentColor}
.side-item:hover{color:#fff;background:rgba(255,43,43,.07)}
.side-item.active{
  color:#fff;background:linear-gradient(90deg, rgba(255,43,43,.16), rgba(255,43,43,.04));
  box-shadow:inset 0 0 0 1px var(--border-glow);
}
.side-item.active::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:3px;
  background:var(--red);box-shadow:0 0 12px var(--red);
}
.side-item.active .si{color:var(--red)}

.side-sep{height:1px;margin:12px 6px;background:var(--border)}

.side-bottom{margin-top:auto;padding-top:18px;display:flex;flex-direction:column;gap:2px}
.side-item.accent{color:var(--red)}
.side-item.accent .si{color:var(--red);filter:drop-shadow(0 0 6px var(--red-glow))}
.side-item.accent:hover{background:rgba(255,43,43,.1)}

.side-footer{padding:16px 14px 4px}
.ft-1{font-family:var(--font-display);font-size:10.5px;letter-spacing:1.5px;color:var(--text-mute)}
.ft-2{font-size:10.5px;letter-spacing:1px;color:var(--text-mute);margin-top:4px}
.ft-2 span{color:var(--text-3)}

/* ============================================================
   MAIN
   ============================================================ */
.main{padding:20px 20px 40px;min-width:0}

/* ---------- HERO ---------- */
.hero{
  position:relative;height:322px;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--border);box-shadow:var(--shadow);
}
.hero-bg{
  position:absolute;inset:0;
  background:
    radial-gradient(120% 130% at 80% 40%, rgba(255,43,43,.28), transparent 55%),
    linear-gradient(90deg,#0b0f1c 8%, rgba(11,15,28,0) 55%),
    url('https://images.unsplash.com/photo-1614732414444-096e5f1122d5?q=80&w=1400&auto=format&fit=crop');
  background-size:cover;background-position:60% 30%;
  transition:transform .3s ease-out;
}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(90deg, rgba(6,9,17,.94) 20%, rgba(6,9,17,.55) 48%, rgba(6,9,17,.15) 75%);
}
.hero-particles{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.hero-particles span{
  position:absolute;width:3px;height:3px;border-radius:50%;background:var(--red);
  box-shadow:0 0 8px var(--red);opacity:.7;animation:floatUp linear infinite;
}
@keyframes floatUp{
  0%{transform:translateY(0) scale(1);opacity:0}
  10%{opacity:.8}
  90%{opacity:.5}
  100%{transform:translateY(-320px) scale(.4);opacity:0}
}

.hero-content{position:relative;z-index:3;padding:38px 44px;max-width:640px}
.hero-eyebrow{font-family:var(--font-display);font-size:13px;letter-spacing:3px;color:var(--text-2);font-weight:500}
.hero-title{
  font-family:var(--font-display);font-weight:700;font-size:52px;line-height:1.02;
  letter-spacing:1px;margin-top:6px;
}
.hero-title .red{color:var(--red);text-shadow:0 0 24px var(--red-glow)}
.hero-sub{font-size:13px;letter-spacing:2px;color:var(--text-2);margin-top:12px;font-weight:500}

.hero-stats{display:flex;gap:40px;margin-top:26px}
.hero-stats .stat{display:flex;flex-direction:column}
.hero-stats .num{font-family:var(--font-display);font-weight:700;font-size:26px;color:#fff;line-height:1}
.hero-stats .lbl{font-size:10px;letter-spacing:1.5px;color:var(--text-3);margin-top:6px;font-weight:600}

.cta-btn{
  display:inline-flex;align-items:center;gap:9px;margin-top:26px;
  padding:13px 24px;border-radius:10px;font-family:var(--font-display);
  font-weight:600;font-size:12px;letter-spacing:1.5px;color:#fff;
  background:linear-gradient(180deg,var(--red-soft),var(--red));
  box-shadow:0 8px 26px -6px var(--red-glow),inset 0 1px 0 rgba(255,255,255,.25);
  transition:transform .2s,box-shadow .2s;
}
.cta-btn:hover{transform:translateY(-2px);box-shadow:0 14px 34px -6px var(--red-glow)}

.hero-arrow{
  position:absolute;top:50%;transform:translateY(-50%);z-index:4;
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  color:var(--text-2);background:rgba(10,14,24,.35);
  border:1px solid var(--border);backdrop-filter:blur(4px);transition:.25s;
}
.hero-arrow:hover{color:#fff;background:rgba(255,43,43,.2);border-color:var(--border-glow)}
.hero-arrow.left{left:14px}
.hero-arrow.right{right:14px}

.hero-dots{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);z-index:4;display:flex;gap:7px}
.hero-dots .dot{width:22px;height:4px;border-radius:3px;background:rgba(255,255,255,.2);transition:.3s;cursor:pointer}
.hero-dots .dot.active{width:30px;background:var(--red);box-shadow:0 0 10px var(--red-glow)}

/* ---------- NEWS TICKER ---------- */
.ticker{
  display:flex;align-items:center;gap:12px;margin-top:16px;padding:13px 18px;
  background:var(--panel);border:1px solid var(--border);border-radius:12px;
  backdrop-filter:blur(10px);
}
.ticker-tag{font-family:var(--font-display);font-weight:700;font-size:11px;letter-spacing:1.5px;color:var(--red);flex-shrink:0}
.ticker-spark{color:var(--red);flex-shrink:0}
.ticker-text{font-size:13px;color:var(--text-2);flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ticker-link{display:flex;align-items:center;gap:7px;font-size:12px;font-weight:600;color:var(--text-2);flex-shrink:0;transition:.25s}
.ticker-link:hover{color:var(--red)}

/* ---------- FORUM WRAP ---------- */
.forum-wrap{
  margin-top:16px;background:var(--panel);border:1px solid var(--border);
  border-radius:var(--radius);backdrop-filter:blur(12px);
  box-shadow:var(--shadow);overflow:hidden;
}
.forum-master{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 22px;border-bottom:1px solid var(--border);
  background:linear-gradient(180deg, rgba(255,43,43,.05), transparent);
}
.fm-left{display:flex;align-items:center;gap:13px}
.fm-logo{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;
  background:rgba(255,43,43,.1);border:1px solid var(--border-glow);
  box-shadow:0 0 16px -4px var(--red-glow)}
.fm-left h2{font-family:var(--font-display);font-weight:700;font-size:15px;letter-spacing:1.5px}
.fm-left p{font-size:12px;color:var(--text-3);margin-top:3px}
.collapse-all{
  display:flex;align-items:center;gap:8px;padding:9px 15px;border-radius:9px;
  font-family:var(--font-display);font-weight:600;font-size:10.5px;letter-spacing:1px;color:var(--text-2);
  background:rgba(255,255,255,.03);border:1px solid var(--border);transition:.25s;
}
.collapse-all:hover{color:#fff;border-color:var(--border-glow);background:rgba(255,43,43,.06)}

/* ---------- CATEGORY ---------- */
.category{border-bottom:1px solid var(--border)}
.category:last-child{border-bottom:none}
.cat-head{
  display:flex;align-items:center;gap:14px;padding:16px 22px;
  background:rgba(255,255,255,.012);transition:background .25s;
}
.cat-head:hover{background:rgba(255,43,43,.03)}
.cat-icon{
  width:34px;height:34px;border-radius:9px;display:grid;place-items:center;flex-shrink:0;
  color:var(--red);background:rgba(255,43,43,.09);border:1px solid var(--border-glow);
  box-shadow:0 0 14px -5px var(--red-glow);
}
.cat-title{flex:1;min-width:0}
.cat-title h3{font-family:var(--font-display);font-weight:700;font-size:13px;letter-spacing:1.4px}
.cat-title p{font-size:12px;color:var(--text-3);margin-top:3px}
.cat-toggle{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;color:var(--red);transition:.25s}
.cat-toggle:hover{background:rgba(255,43,43,.08)}
.chev{display:inline-block;width:9px;height:9px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(-135deg);transition:transform .3s;margin-top:3px}
.category.collapsed .chev{transform:rotate(45deg);margin-top:-3px}

.cat-body{overflow:hidden;transition:max-height .35s ease}
.category.collapsed .cat-body{max-height:0!important}

/* ---------- FORUM ROW ---------- */
.forum-row{
  display:grid;
  grid-template-columns:44px minmax(0,1fr) 74px 74px 280px;
  align-items:center;gap:14px;
  padding:15px 22px;border-top:1px solid var(--border);
  transition:background .22s;position:relative;
}
.forum-row::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--red);
  opacity:0;transition:opacity .25s;box-shadow:0 0 12px var(--red);
}
.forum-row:hover{background:rgba(255,43,43,.028)}
.forum-row:hover::before{opacity:1}

.row-ico{
  width:44px;height:44px;border-radius:11px;display:grid;place-items:center;
  color:var(--text-2);background:rgba(255,255,255,.03);border:1px solid var(--border);transition:.25s;
}
.forum-row:hover .row-ico{color:var(--red);border-color:var(--border-glow);background:rgba(255,43,43,.06)}

.row-info{min-width:0}
.row-title{font-family:var(--font-display);font-weight:600;font-size:14px;color:var(--text);transition:color .2s}
.row-title:hover{color:var(--red)}
.row-info p{font-size:12px;color:var(--text-3);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.row-stat{display:flex;flex-direction:column;align-items:flex-start}
.row-stat b{font-family:var(--font-display);font-weight:700;font-size:15px;color:var(--text)}
.row-stat span{font-size:9.5px;letter-spacing:1px;color:var(--text-mute);margin-top:3px;font-weight:600}

.row-latest{display:flex;align-items:flex-start;gap:11px;min-width:0}
.lt-ava{width:34px;height:34px;border-radius:9px;flex-shrink:0;display:grid;place-items:center;overflow:hidden;border:1px solid var(--border)}
.lt-ava img{width:100%;height:100%;object-fit:cover}
.lt-ava.red{background:rgba(255,43,43,.14);border-color:var(--border-glow)}
.lt-ava.purple{background:rgba(160,80,255,.12);border-color:rgba(160,80,255,.28)}
.lt-ava.green{background:rgba(58,208,122,.1);border-color:rgba(58,208,122,.28)}
.lt-ava.blue{background:rgba(58,160,255,.1);border-color:rgba(58,160,255,.28)}
.lt-info{min-width:0}
.lt-title{display:block;font-size:12.5px;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color .2s}
.lt-title:hover{color:var(--red)}
.lt-info p{font-size:11.5px;color:var(--text-3);margin-top:2px}
.lt-info .user{color:var(--red-soft);font-weight:600}
.lt-time{font-size:11px;color:var(--text-mute);margin-top:1px;display:block}

/* ============================================================
   RIGHT SIDEBAR
   ============================================================ */
.rightbar{
  position:sticky;top:var(--header-h);
  padding:20px 20px 40px;display:flex;flex-direction:column;gap:16px;
}
.widget{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:20px;backdrop-filter:blur(12px);box-shadow:var(--shadow);
  transition:transform .3s, box-shadow .3s, border-color .3s;
}
.widget:hover{transform:translateY(-3px);border-color:var(--border-glow);box-shadow:0 20px 50px -20px rgba(255,43,43,.3)}

.w-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:15px}
.w-head h4{font-family:var(--font-display);font-weight:700;font-size:12.5px;letter-spacing:1.5px}
.w-count{font-family:var(--font-display);font-weight:700;font-size:13px;color:var(--red)}

/* Profile card */
.profile-card{padding:0;overflow:hidden}
.pc-top{display:flex;align-items:center;gap:15px;padding:20px 20px 18px}
.pc-ava{width:62px;height:62px;border-radius:50%;overflow:hidden;flex-shrink:0;border:2px solid var(--red);box-shadow:0 0 16px -2px var(--red-glow)}
.pc-ava img{width:100%;height:100%;object-fit:cover}
.pc-meta h4{font-family:var(--font-display);font-weight:700;font-size:16px;letter-spacing:1px}
.pc-meta p{font-size:12px;color:var(--text-3);margin-top:2px}
.badge-admin{
  display:inline-block;margin-top:8px;padding:4px 12px;border-radius:6px;
  font-family:var(--font-display);font-weight:700;font-size:10px;letter-spacing:1.2px;color:#fff;
  background:linear-gradient(180deg,var(--red-soft),var(--red));box-shadow:0 4px 14px -4px var(--red-glow);
}
.pc-stats{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--border)}
.pc-stats div{display:flex;flex-direction:column;align-items:center;padding:15px 6px;gap:6px}
.pc-stats div:not(:last-child){border-right:1px solid var(--border)}
.pc-stats .k{font-size:9.5px;letter-spacing:1px;color:var(--text-mute);font-weight:600}
.pc-stats b{font-family:var(--font-display);font-weight:700;font-size:13.5px}

/* Members online */
.online-names{font-size:12.5px;line-height:1.85;color:var(--text-2)}
.online-names a{color:var(--red-soft);font-weight:500;transition:.2s}
.online-names a:hover{color:var(--red);text-decoration:underline}
.online-names .muted{color:var(--text-3)}
.online-avatars{display:flex;margin-top:16px}
.online-avatars img{width:32px;height:32px;border-radius:50%;border:2px solid var(--panel-solid);margin-left:-8px;transition:transform .2s}
.online-avatars img:first-child{margin-left:0}
.online-avatars img:hover{transform:translateY(-4px);z-index:2}
.view-all{display:inline-block;margin-top:16px;font-family:var(--font-display);font-weight:700;font-size:11px;letter-spacing:1.5px;color:var(--red);transition:.2s}
.view-all:hover{filter:brightness(1.3);letter-spacing:2px}

/* Recent posts */
.rp-list{display:flex;flex-direction:column;gap:16px}
.rp-item{display:flex;gap:12px}
.rp-ava{width:36px;height:36px;border-radius:9px;flex-shrink:0;overflow:hidden;border:1px solid var(--border)}
.rp-ava img{width:100%;height:100%;object-fit:cover}
.rp-ava.red{box-shadow:0 0 12px -4px var(--red-glow)}
.rp-body{min-width:0}
.rp-title{display:block;font-size:12.5px;font-weight:600;color:var(--text);line-height:1.35;transition:color .2s}
.rp-title:hover{color:var(--red)}
.rp-body p{font-size:11.5px;color:var(--text-3);margin-top:3px;line-height:1.4}
.rp-meta{font-size:11px;color:var(--text-mute);margin-top:4px;display:block}
.rp-meta .user{color:var(--red-soft);font-weight:600}

/* Discord */
.discord-card{position:relative;padding:0;overflow:hidden;min-height:150px}
.dc-bg{
  position:absolute;inset:0;
  background:
    linear-gradient(90deg, rgba(11,15,26,.96) 30%, rgba(11,15,26,.4) 100%),
    url('https://images.unsplash.com/photo-1542751371-adc38448a05e?q=80&w=800&auto=format&fit=crop');
  background-size:cover;background-position:center;
}
.dc-inner{position:relative;z-index:2;padding:20px}
.dc-inner h4{font-family:var(--font-display);font-weight:700;font-size:13px;letter-spacing:1.5px}
.dc-inner>p{font-size:12.5px;color:var(--text-2);margin-top:6px}
.dc-online{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--text)!important;margin-top:10px!important;font-weight:600}
.pulse{width:8px;height:8px;border-radius:50%;background:#3ad07a;box-shadow:0 0 0 0 rgba(58,208,122,.6);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(58,208,122,.5)}70%{box-shadow:0 0 0 8px rgba(58,208,122,0)}100%{box-shadow:0 0 0 0 rgba(58,208,122,0)}}
.dc-btn{
  display:flex;align-items:center;gap:9px;margin-top:16px;padding:11px 18px;border-radius:9px;
  font-family:var(--font-display);font-weight:600;font-size:11px;letter-spacing:1.2px;color:#fff;
  background:#5865f2;box-shadow:0 8px 22px -6px rgba(88,101,242,.6);transition:transform .2s,box-shadow .2s;
}
.dc-btn:hover{transform:translateY(-2px);box-shadow:0 12px 28px -6px rgba(88,101,242,.75)}

/* ============================================================
   REVEAL ANIMATIONS
   ============================================================ */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease, transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ============================================================
   LIGHT MODE
   ============================================================ */
body.light{
  --bg:#eef1f7;--text:#141824;--text-2:#3d4560;
  --text-3:#707890;--text-mute:#9aa2ba;
  --panel:rgba(255,255,255,.78);--panel-solid:#fff;
  --border:rgba(10,15,30,.09);--row:rgba(0,0,0,.015);
  background:radial-gradient(1000px 600px at 80% -10%, rgba(255,43,43,.08), transparent 60%), var(--bg);
}
body.light .topbar{background:rgba(255,255,255,.8)}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:1280px){
  :root{--rightbar-w:300px}
  .forum-row{grid-template-columns:44px minmax(0,1fr) 64px 64px 220px}
}
@media(max-width:1100px){
  .shell{grid-template-columns:var(--sidebar-w) minmax(0,1fr)}
  .rightbar{display:none}
  .topnav{gap:20px}
}
@media(max-width:900px){
  :root{--sidebar-w:0px}
  .sidebar{position:fixed;left:0;top:var(--header-h);width:216px;z-index:90;
    transform:translateX(-100%);transition:transform .3s;background:var(--bg-2)}
  .sidebar.open{transform:none}
  .shell{grid-template-columns:1fr}
  .topnav{display:none}
  .hero-title{font-size:38px}
  .hero-stats{gap:24px;flex-wrap:wrap}
}
@media(max-width:640px){
  .topbar-inner{padding:0 12px;gap:10px}
  .search-box{width:44px;padding:0;justify-content:center}
  .search-box input{display:none}
  .profile-chip span{display:none}
  .logo{width:auto}
  .hero{height:auto}
  .hero-content{padding:26px 20px}
  .hero-title{font-size:30px}
  .forum-row{grid-template-columns:40px 1fr;gap:10px;row-gap:8px}
  .row-stat,.row-latest{grid-column:2}
  .row-latest{margin-top:4px}
  .forum-master{flex-direction:column;gap:12px;align-items:flex-start}
}