/* Visual language copied from the existing Mighty network: Inter, #404040 text, #e5e5e5 hairlines, #ef3829 red, 8px radii, white panel with a left sidebar. */
:root{--bg:#fff;--ink:#404040;--strong:#1a1a1a;--mute:#8a8a8a;--line:#e5e5e5;--soft:#f3f3f3;--red:#ef3829;--red-d:#d42c1e;--tint:#fdeceb;--r:8px}
@media (prefers-color-scheme:dark){:root{--bg:#111;--ink:#d9d9d9;--strong:#fff;--mute:#8f8f8f;--line:#2c2c2c;--soft:#1f1f1f;--tint:#3a1d1a}}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font:400 16px/1.45 "Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit;color:inherit}
svg.i{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}

.hdr{height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 28px}
.hdr img.logo{height:40px;display:block}
.hdr .right{display:flex;align-items:center;gap:14px}
.search{display:flex;align-items:center;gap:8px;background:var(--soft);border:1px solid var(--line);border-radius:var(--r);padding:0 12px;height:32px;width:200px}
.search input{border:0;background:none;outline:0;width:100%;font-size:15px}
.menu{position:relative}.menu .pop{display:none;position:absolute;right:0;top:40px;background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:6px;min-width:160px;z-index:20;box-shadow:0 6px 24px rgba(0,0,0,.12)}
.menu.open .pop{display:block}.pop a{display:block;padding:8px 10px;border-radius:6px;font-size:14px}.pop a:hover{background:var(--soft)}
.me-btn{display:flex;align-items:center;gap:6px;background:var(--soft);border:1px solid var(--line);border-radius:99px;padding:3px 8px 3px 4px;cursor:pointer}

.panel{display:grid;grid-template-columns:305px 1fr;margin:0 8px 8px;border:1px solid var(--line);border-radius:16px;min-height:calc(100vh - 80px)}
.side{padding:16px;border-right:1px solid var(--line)}
.create{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;height:40px;border:1px solid var(--line);border-radius:var(--r);background:var(--bg);font-size:15px;cursor:pointer;margin-bottom:12px}
.side .nav{display:flex;align-items:center;gap:12px;height:40px;padding:0 10px;border-radius:var(--r);font-size:15px;font-weight:500;color:var(--ink)}
.side .nav:hover{background:var(--soft)}
.side .nav.on{background:var(--red);color:#fff;font-weight:600}
.side .nav .t{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.side hr{border:0;border-top:1px solid var(--line);margin:10px 8px}
.side .col{display:flex;justify-content:space-between;align-items:center;padding:8px 10px;font-weight:600;font-size:15px;cursor:pointer;color:var(--ink)}
.side .col.shut + .items{display:none}
.tile{width:22px;height:22px;border-radius:6px;background:var(--red);color:#fff;display:grid;place-items:center;font-size:12px;font-weight:700;flex:none}
.tile.lg{width:40px;height:40px;border-radius:8px;font-size:18px}
.side .nav.on .tile{background:#fff;color:var(--red)}
.side .nav.sp{font-weight:600}

.content{min-width:0}
.banner{height:230px;margin:24px 40px 0;border-radius:var(--r);background:linear-gradient(135deg,#f0f0f0,#e3e3e3 55%,#f0f0f0);position:relative;overflow:hidden}
.banner:after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,transparent 40%,rgba(255,255,255,.7) 41%,transparent 43%),linear-gradient(200deg,transparent 55%,rgba(255,255,255,.6) 56%,transparent 59%)}
@media (prefers-color-scheme:dark){.banner{background:linear-gradient(135deg,#222,#2c2c2c)}.banner:after{opacity:.1}}
.spacehead{display:flex;align-items:center;gap:12px;padding:16px 40px 0;justify-content:space-between}
.spacehead .l{display:flex;gap:12px;align-items:center}
.spacehead h1{font-size:20px;font-weight:600;margin:0;color:var(--strong);line-height:1.2}
.spacehead p{margin:0;font-size:14px}
.tabs{display:flex;gap:28px;padding:0 40px;margin-top:14px;border-bottom:1px solid var(--line)}
.tabs a{padding:12px 0;font-size:15px;border-bottom:2px solid transparent;margin-bottom:-1px}
.tabs a.on{font-weight:600;color:var(--strong);border-color:var(--red)}
.cols{display:grid;grid-template-columns:minmax(0,680px) 290px;gap:24px;padding:24px 40px 80px;justify-content:center}
.plain{padding:28px 40px 80px;max-width:900px;margin:0 auto}
.plain h1{font-size:24px;font-weight:600;margin:0 0 4px;color:var(--strong)}.plain .sub{margin:0 0 18px}

.composer{display:flex;align-items:center;gap:14px;height:67px;border:1px solid var(--line);border-radius:var(--r);padding:0 24px;margin-bottom:18px;cursor:text;color:var(--mute);width:100%;background:var(--bg);text-align:left}
.compose-open{border:1px solid var(--line);border-radius:var(--r);padding:16px;margin-bottom:18px}
.card{border:1px solid var(--line);border-radius:var(--r);padding:20px 24px;margin-bottom:18px;background:var(--bg)}
.card.click{cursor:pointer}
.byline{display:flex;gap:12px;align-items:center;margin-bottom:10px}
.av{width:40px;height:40px;border-radius:50%;background:#f6c6c1;color:#a3251b;display:grid;place-items:center;font-weight:600;font-size:14px;flex:none;object-fit:cover;overflow:hidden}
.byline b{color:var(--strong);font-weight:600}.byline small{color:var(--mute);margin-left:6px;font-size:13px}
.ptitle{font-size:20px;font-weight:600;color:var(--strong);margin:0 0 8px}
.body{overflow-wrap:anywhere;color:var(--ink)}.body p{margin:0 0 .85em}.body img{max-width:100%;border-radius:var(--r)}.body a{color:var(--red);text-decoration:underline}
.react{display:flex;align-items:center;gap:8px;margin-top:14px}
.rpill{display:inline-flex;align-items:center;gap:6px;background:var(--soft);border-radius:99px;padding:3px 12px;font-size:14px}
.circ{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:var(--bg);display:grid;place-items:center;cursor:pointer;color:var(--ink)}
.circ.on{border-color:var(--red);color:var(--red);background:var(--tint)}
.cmhead{display:flex;justify-content:space-between;font-size:14px;margin:16px 0 4px;padding-top:14px;border-top:1px solid var(--line)}.cmhead span:last-child{color:var(--mute)}
.cm{margin:14px 0 0}.cm .cm{margin-left:30px}
.cm .av{width:32px;height:32px;font-size:12px}.cm .row1{display:flex;gap:12px}.cm .txt{flex:1;min-width:0}
.cm .acts{display:flex;gap:14px;font-size:13px;color:var(--mute);margin-top:2px}.cm .acts button{background:none;border:0;padding:0;cursor:pointer;color:var(--mute)}.cm .acts button.on{color:var(--red);font-weight:600}

.btn{background:var(--red);color:#fff;border:0;border-radius:var(--r);height:32px;padding:0 14px;font-weight:600;font-size:13px;cursor:pointer}.btn:hover{background:var(--red-d)}
.btn.lg{height:40px;font-size:15px;padding:0 20px}
.btn.gray{background:var(--soft);color:var(--strong)}.btn.gray:hover{background:var(--line)}
.btn:disabled{opacity:.5}
textarea,input[type=text],input[type=email],input[type=search].big{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:var(--r);background:var(--bg);outline:0}
textarea{min-height:90px;resize:vertical}textarea:focus,input:focus{border-color:var(--red)}
.row{display:flex;gap:10px;margin-top:10px;align-items:center}
.err{color:var(--red-d);font-size:14px}.muted{color:var(--mute)}

.feat{border:1px solid var(--line);border-radius:var(--r);padding:16px;margin-bottom:16px;align-self:start}
.feat .fh{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.feat .fh b{font-size:16px;color:var(--strong)}.feat .fh span{font-size:12px}
.feat a.fi{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px;font-weight:500;color:var(--strong);font-size:15px;line-height:1.25}
.feat .tile.lg{width:40px;height:40px}
.poll .opt{position:relative;border:1px solid var(--line);border-radius:var(--r);padding:10px 14px;margin:8px 0;cursor:pointer;overflow:hidden}
.poll .opt i{position:absolute;inset:0 auto 0 0;background:var(--tint)}.poll .opt span{position:relative}.poll .opt.mine{border-color:var(--red)}
.pill{display:inline-block;font-size:12px;background:var(--tint);color:var(--red-d);border-radius:99px;padding:2px 10px;font-weight:600}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px;margin-top:16px}
.grid .card{margin:0;padding:16px}
.login{max-width:380px;margin:12vh auto;padding:0 20px;text-align:center}.login img{height:56px;margin-bottom:24px}.login input{text-align:center}

.mtoggle{display:none}
@media (max-width:980px){.cols{grid-template-columns:minmax(0,1fr)}.cols aside{order:2}}
@media (max-width:820px){
 .hdr{padding:0 14px}.search{display:none}.mtoggle{display:grid}
 .panel{display:block;border-radius:12px;margin:0 6px 6px}
 .side{display:none;border-right:0;border-bottom:1px solid var(--line)}.panel.open .side{display:block}
 .banner{margin:14px 14px 0;height:120px}.spacehead,.tabs,.cols,.plain{padding-left:16px;padding-right:16px}.tabs{gap:18px;overflow:auto}
}

.outline{padding:8px 0}.outline .sec{font-weight:600;color:var(--strong);padding:14px 24px 6px;border-top:1px solid var(--line)}.outline .sec:first-child{border-top:0}
.outline .lesson{display:block;padding:9px 24px 9px 40px;color:var(--ink)}.outline .lesson:hover{background:var(--soft)}
.vidnote{background:var(--soft);border:1px dashed var(--line);border-radius:var(--r);padding:14px 16px;color:var(--mute);font-size:14px}
.body video{max-width:100%;border-radius:var(--r)}

.devcode{background:var(--tint);border:1px solid var(--red);border-radius:var(--r);padding:12px;margin:0 0 14px}.devcode small{display:block;color:var(--ink);margin-bottom:4px}.devcode b{font-size:30px;letter-spacing:.25em;color:var(--red-d)}

img.tile{background:none;object-fit:cover;border-radius:6px;display:block}img.tile.lg{border-radius:8px}.banner[style]{background-size:cover;background-position:center}.banner[style]:after{display:none}