:root{--bg:#0b0b0c;--card:#151517;--card2:#1f1f22;--line:#2c2c30;--text:#f4f1e8;--mut:#9a968a;--gold:#ffd700;--gold2:#e6c200;--green:#22c55e;--red:#ef4444;--blue:#ffd700;--r:14px}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,"Segoe UI",Heebo,Arial,sans-serif;font-size:16px;line-height:1.5}
a{color:var(--gold)}
button,input,textarea,select{font:inherit;color:inherit}
input,textarea,select{width:100%;background:var(--card2);border:1px solid var(--line);border-radius:10px;padding:11px 12px;outline:none}
input:focus,textarea:focus,select:focus{border-color:var(--blue)}
textarea{min-height:120px;resize:vertical}
label{display:block;font-size:13px;color:var(--mut);margin:12px 0 4px}
.btn{background:var(--gold);color:#111;border:0;border-radius:10px;padding:10px 16px;font-weight:700;cursor:pointer}
.btn.sec{background:var(--card2);color:var(--text);border:1px solid var(--line)}
.btn:hover{background:var(--gold2)}.btn.sec:hover{background:var(--line)}.btn.red{color:#fff}
.btn.red{background:var(--red);color:#fff}
.btn.sm{padding:5px 10px;font-size:13px}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.grow{flex:1}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;margin-bottom:14px}
h1{font-size:22px;margin:0 0 14px}h2{font-size:17px;margin:0 0 10px}
.mut{color:var(--mut);font-size:14px}
.err{color:var(--red);font-size:14px;min-height:20px}
.badge{background:var(--gold);color:#111;border-radius:6px;font-size:11px;padding:1px 6px;font-weight:700}
/* login */
.login{max-width:380px;margin:12vh auto;padding:0 20px}
.login .logo{width:210px;height:auto;display:block;margin:0 auto 6px}
.login h1{text-align:center}
/* shell */
.shell{display:flex;min-height:100vh}
.side{width:230px;background:var(--card);border-inline-end:1px solid var(--line);padding:18px 12px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:4px}
.side .brand{display:flex;flex-direction:column;align-items:center;padding:0 0 14px;margin-bottom:6px;border-bottom:1px solid var(--line)}
.side .brand img{width:150px;height:auto}
.topbar{display:none}
.nav{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;color:var(--mut);text-decoration:none;cursor:pointer}
.nav .ic{font-size:19px;width:24px;text-align:center}
.nav.on,.nav:hover{background:var(--card2);color:var(--text)}
.nav.on{box-shadow:inset -3px 0 var(--gold);font-weight:700}
.main{flex:1;min-width:0;padding:20px;max-width:1100px;margin:0 auto;width:100%}
.tabbar{display:none}

@media(max-width:800px){
 .side{display:none}
 .main{padding:0 14px 90px}
 .topbar{display:flex;justify-content:flex-start;align-items:center;gap:10px;padding:8px 0;margin-bottom:8px;border-bottom:1px solid var(--line)}
 .topbar img{height:70px;width:auto}
 .tabbar{display:flex;position:fixed;bottom:0;inset-inline:0;background:var(--card);border-top:1px solid var(--line);padding:6px 4px calc(6px + env(safe-area-inset-bottom));z-index:10;overflow-x:auto}
 .tabbar .nav{flex:1;flex-direction:column;gap:0;font-size:11px;padding:4px 8px;min-width:58px;text-align:center}
}
.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.tv{height:420px;border-radius:var(--r);overflow:hidden;background:var(--card);border:1px solid var(--line)}
.tv.sm{height:76px}
.news a{display:block;color:var(--text);text-decoration:none;padding:10px 0;border-bottom:1px solid var(--line)}
.news a:last-child{border:0}
.news small{color:var(--mut)}
.hero{background:linear-gradient(135deg,#2b2400,#151517);border-color:#4d4000}.hero h1{color:var(--gold)}
/* course */
.mod h2{display:flex;justify-content:space-between;align-items:center}
.lesson{display:flex;align-items:center;gap:10px;padding:10px;border-radius:10px;cursor:pointer;background:var(--card2);margin-bottom:6px}
.lesson:hover{outline:1px solid var(--line)}
.dot{width:20px;height:20px;border-radius:50%;border:2px solid var(--line);flex:none;display:grid;place-items:center;font-size:12px}
.dot.on{background:var(--gold);border-color:var(--gold);color:#111}
.video{position:relative;padding-top:56.25%;border-radius:var(--r);overflow:hidden;background:#000;margin-bottom:14px}
.video iframe,.video video{position:absolute;inset:0;width:100%;height:100%;border:0}
.content{white-space:pre-wrap;word-break:break-word}
.prog{height:8px;background:var(--card2);border-radius:5px;overflow:hidden}.prog i{display:block;height:100%;background:var(--gold)}
/* chat */
.chat{display:flex;flex-direction:column;height:calc(100vh - 150px);min-height:360px}
@media(max-width:800px){.chat{height:calc(100vh - 230px)}}
.msgs{flex:1;overflow-y:auto;padding:6px;display:flex;flex-direction:column;gap:8px}
.msg{background:var(--card2);border-radius:12px;padding:8px 12px;max-width:85%;align-self:flex-start;word-break:break-word}
.msg.me{align-self:flex-start;background:#2b2400}
.msg b{font-size:13px}.msg time{color:var(--mut);font-size:11px;margin-inline-start:8px}
.quote{border-inline-start:3px solid var(--gold);background:#0004;border-radius:6px;padding:4px 8px;margin:4px 0;font-size:12px;color:var(--mut);cursor:pointer;max-width:100%;overflow:hidden}
.quote b{color:var(--text);font-size:12px}.quote.gone{cursor:default;font-style:italic}
.quote>div{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.msg.flash{outline:2px solid var(--gold)}
.rxs{display:flex;flex-wrap:wrap;gap:4px;margin-top:6px}.rxs:empty{display:none}
.rx{background:#0004;border:1px solid var(--line);border-radius:12px;padding:1px 8px;font-size:13px;color:var(--text);cursor:pointer}
.rx.mine{border-color:var(--gold);background:#3a2f00}
.macts{display:flex;gap:10px;margin-top:4px}
.macts button{background:none;border:0;color:var(--mut);font-size:12px;cursor:pointer;padding:2px 0}
.macts button:hover{color:var(--gold)}
.picker{display:flex;flex-wrap:wrap;gap:2px;margin-top:4px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:4px;width:max-content;max-width:100%}
.picker button{background:none;border:0;font-size:22px;cursor:pointer;padding:2px 6px;border-radius:8px}.picker button:hover{background:#fff1}
.replybar{display:flex;justify-content:space-between;align-items:center;gap:8px;background:var(--card2);border-inline-start:3px solid var(--gold);border-radius:8px;padding:6px 10px;margin-top:6px;font-size:13px}
.replybar span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.replybar .x{background:none;border:0;color:var(--mut);cursor:pointer;font-size:16px}
.pills{display:flex;gap:6px;margin-bottom:10px;flex-wrap:wrap}
.pill{text-decoration:none;color:var(--text);padding:6px 14px;border-radius:20px;background:var(--card2);border:1px solid var(--line);cursor:pointer;font-size:14px}
.pill.on{background:var(--gold);color:#111;border-color:var(--gold);font-weight:700}
/* coupons */
.code{font-family:ui-monospace,Menlo,monospace;background:#111;border:1px dashed var(--gold);color:var(--gold);padding:6px 12px;border-radius:8px;font-weight:700;cursor:pointer;letter-spacing:1px}
table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:start;padding:8px 6px;border-bottom:1px solid var(--line)}
.livedot{display:inline-block;width:10px;height:10px;border-radius:50%;background:var(--red);animation:p 1.2s infinite;margin-inline-end:6px}
@keyframes p{50%{opacity:.25}}
.modal{position:fixed;inset:0;background:#0008;display:grid;place-items:center;z-index:50;padding:14px}
.modal>div{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;width:100%;max-width:560px;max-height:92vh;overflow:auto}
.toast{position:fixed;bottom:90px;inset-inline:0;margin:auto;width:max-content;max-width:90%;background:var(--card2);border:1px solid var(--line);padding:10px 16px;border-radius:10px;z-index:99}

.msg img.pic{display:block;max-width:100%;max-height:320px;border-radius:10px;margin-top:6px;cursor:zoom-in}
.msg video.vid{display:block;max-width:100%;max-height:360px;border-radius:10px;margin-top:6px;background:#000;cursor:auto}
.filecard{display:inline-block;margin-top:6px;background:#0004;border:1px solid var(--line);border-radius:10px;padding:8px 12px;color:var(--text);text-decoration:none;max-width:100%;overflow-wrap:anywhere}.filecard:hover{border-color:var(--gold)}
.attach{background:var(--card2);border:1px solid var(--line);border-radius:10px;padding:8px 12px;cursor:pointer;font-size:18px}
.zoom{position:fixed;inset:0;background:#000d;display:grid;place-items:center;z-index:60;padding:10px;cursor:zoom-out}
.zoom img{max-width:100%;max-height:100%;border-radius:8px}

/* home */
.home-top{display:grid;grid-template-columns:2fr 1fr;gap:14px;margin-bottom:14px}
.home-top .tv{margin:0}.tv.tall{height:430px}
.stack{display:flex;flex-direction:column;gap:14px}.stack .card{margin:0}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px;margin-bottom:14px}.grid3 .card{margin:0}
.grid2{display:grid;grid-template-columns:3fr 2fr;gap:14px;margin-bottom:14px;align-items:stretch}.grid2 .card{margin:0}
@media(max-width:900px){.home-top,.grid2{grid-template-columns:1fr}.tv.tall{height:380px}}
.livebanner{display:flex;align-items:center;gap:10px;background:linear-gradient(90deg,#3a0d0d,#151517);border:1px solid #7f1d1d;border-radius:var(--r);padding:12px 16px;margin-bottom:14px;color:var(--text);text-decoration:none}
.news{display:flex;flex-direction:column;min-height:0;max-height:430px}
.news-list{overflow-y:auto;flex:1;margin:0 -6px;padding:0 6px}
.news-list::-webkit-scrollbar{width:6px}.news-list::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}
.ni{display:block;padding:10px 4px;border-bottom:1px solid var(--line);color:var(--text);text-decoration:none}
.ni:last-child{border:0}.ni:hover .nt{color:var(--gold)}
.nt{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-weight:600;line-height:1.45;overflow-wrap:anywhere}
.nm{display:flex;gap:8px;align-items:center;color:var(--mut);font-size:12px;margin-top:4px}
.src{background:var(--card2);border:1px solid var(--line);border-radius:5px;padding:0 6px;color:var(--gold)}
.sess-row{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid var(--line)}.sess-row:last-child{border:0}
.sdot{width:9px;height:9px;border-radius:50%;background:#555}.sdot.on{background:var(--green);box-shadow:0 0 8px var(--green)}
.stat{font-size:12px;padding:1px 8px;border-radius:10px;background:var(--card2);color:var(--mut)}.stat.on{background:#12301f;color:var(--green)}
.gauge{text-align:center}.gnum{font-size:46px;font-weight:800;line-height:1.1}.glabel{font-weight:700;margin-bottom:10px}
.gbar{position:relative;height:10px;border-radius:5px;background:linear-gradient(90deg,#22c55e,#84cc16,#e5e7eb,#f59e0b,#ef4444);margin:8px 0 10px}
.gbar i{position:absolute;top:-4px;width:4px;height:18px;background:#fff;border-radius:2px;box-shadow:0 0 0 2px #000a;transform:translateX(-50%)}
.quick{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.quick a{display:flex;flex-direction:column;align-items:center;gap:2px;padding:12px 6px;background:var(--card2);border:1px solid var(--line);border-radius:12px;color:var(--text);text-decoration:none;font-size:14px}
.quick a span{font-size:22px}.quick a:hover{border-color:var(--gold)}
.ring{--p:0;width:64px;height:64px;border-radius:50%;display:grid;place-items:center;flex:none;background:conic-gradient(var(--gold) calc(var(--p)*1%),var(--card2) 0)}
.ring span{width:50px;height:50px;border-radius:50%;background:var(--card);display:grid;place-items:center;font-weight:700;font-size:14px}
a.annc{display:block;color:var(--text);text-decoration:none}.annc-text{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}