:root{--p:#d63469;--p2:#b81f55;--pl:#fde8ef;--pll:#fff5f8;--ink:#2a1a22;--mut:#7a6670;--line:#f0dbe3;--ok:#1e9e6a;--gold:#f2b632;--blue:#e8f3fd}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font:15px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:#f6eef2}
#app{max-width:480px;margin:0 auto;height:100dvh;background:#fff;display:flex;flex-direction:column;position:relative}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font:inherit;color:inherit;border:1px solid var(--line);border-radius:10px;padding:9px 11px;width:100%;background:#fff}
textarea{resize:none}
a{color:var(--p)}
.hdr{position:sticky;top:0;z-index:5;background:var(--p);color:#fff;padding:12px 14px;display:flex;align-items:center;gap:10px;min-height:52px}
.hdr h1{font-size:17px;font-weight:700;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hdr .back{text-decoration:none;font-size:22px;line-height:1;padding:0 4px;color:#fff}
.hdr .hbtn{background:rgba(255,255,255,.18);border-radius:999px;padding:5px 11px;font-size:13px;color:#fff}
.main{flex:1;overflow:auto;min-height:0;padding:14px}
.nav{position:sticky;bottom:0;display:flex;border-top:1px solid var(--line);background:#fff;z-index:5;padding-bottom:env(safe-area-inset-bottom)}
.nav a{flex:1;text-align:center;padding:8px 0 7px;font-size:11.5px;color:var(--mut);text-decoration:none}
.nav a b{display:block;font-size:20px;font-weight:400;line-height:1.2}
.nav a.on{color:var(--p);font-weight:600}
.btn{display:block;width:100%;background:var(--p);color:#fff;border-radius:999px;padding:12px;font-weight:600;text-align:center}
.btn:active{background:var(--p2)}
.btn.sec{background:var(--pl);color:var(--p)}
.btn.zalo{background:#0068ff}
.btn.sm{display:inline-block;width:auto;padding:7px 14px;font-size:13.5px}
.btn[disabled]{opacity:.45}
.card{background:var(--pll);border-radius:14px;padding:12px 14px;margin-bottom:10px}
.muted{color:var(--mut);font-size:13px}
.tiny{font-size:12px;color:var(--mut)}
.row{display:flex;justify-content:space-between;align-items:center;gap:8px}
.ttl{color:var(--p);font-weight:700;margin:4px 0 10px;font-size:15.5px}
.gap{height:12px}
.pill{display:inline-block;border-radius:999px;padding:2px 9px;font-size:12px;background:var(--pl);color:var(--p)}
.tick{color:#1d8cf0}
.seg{display:flex;background:var(--pl);border-radius:999px;padding:3px;gap:2px}
.seg button{flex:1;border-radius:999px;padding:6px 4px;font-size:12.5px;color:var(--p)}
.seg button.on{background:var(--p);color:#fff}
#toast{position:fixed;left:50%;bottom:86px;transform:translateX(-50%) translateY(20px);background:#2a1a22;color:#fff;padding:10px 16px;border-radius:12px;font-size:14px;opacity:0;transition:.25s;pointer-events:none;max-width:90%;z-index:50}
#toast.on{opacity:1;transform:translateX(-50%)}
/* login */
.hero{text-align:center;padding:34px 10px 18px}
.hero img{width:78px;height:78px}
.hero h2{font-size:26px;color:var(--p);margin-top:8px}
.hero p{color:var(--mut);margin-top:4px}
.otp{letter-spacing:10px;text-align:center;font-size:24px}
.demo{background:#fff7e0;border:1px dashed var(--gold);border-radius:10px;padding:8px 10px;font-size:13px;margin:10px 0}
/* profile */
.fld{border-bottom:1px solid var(--line);padding:10px 0}
.fld label{font-size:13px;color:var(--mut);display:block;margin-bottom:4px}
.fld .row input,.fld .row select{flex:1}
.lay{width:118px!important;flex:none!important;font-size:12.5px;padding:8px 6px}
.lay.pub{background:#eafaf2;border-color:#bde9d3}
.lay.ask{background:#fff6e5;border-color:#f6dca5}
.lay.me{background:#f1f1f4;border-color:#ddd}
/* lobby */
.lobby{display:flex;flex:1;min-height:0;overflow:hidden}
.chatcol{flex:1;display:flex;flex-direction:column;min-width:0;min-height:0}
.msgs{flex:1;min-height:0;overflow:auto;padding:10px 10px 6px}
.msg{margin-bottom:9px;max-width:92%}
.msg .who{font-size:12px;color:var(--mut)}
.msg .bub{background:#f4f1f3;border-radius:4px 14px 14px 14px;padding:7px 11px;display:inline-block;word-wrap:break-word}
.msg.mine{margin-left:auto;text-align:right}
.msg.mine .bub{background:var(--p);color:#fff;border-radius:14px 4px 14px 14px;text-align:left}
.msg.sys .bub{background:#fff7e0;font-size:13px}
.warn{background:#fff7e0;font-size:12px;padding:5px 10px;color:#7a5a00;text-align:center}
.send{display:flex;gap:6px;padding:8px;border-top:1px solid var(--line)}
.send input{border-radius:999px}
.send button{background:var(--p);color:#fff;border-radius:999px;padding:0 16px;font-weight:600}
.online{width:112px;border-left:1px solid var(--line);background:var(--pll);display:flex;flex-direction:column;transition:width .2s}
.online.closed{width:30px}
.online .oh{font-size:12px;font-weight:700;color:var(--p);padding:8px 6px;display:flex;justify-content:space-between;align-items:center;gap:2px}
.online.closed .oh{writing-mode:vertical-rl;padding:10px 6px;height:100%;justify-content:flex-start}
.online.closed .olist,.online.closed .ofl{display:none}
.olist{overflow:auto;flex:1;min-height:0;padding:0 5px 8px}
.op{display:block;width:100%;text-align:left;background:#fff;border-radius:10px;padding:6px 6px;margin-bottom:5px;font-size:12px;line-height:1.3}
.op .nm{font-weight:600;font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.op .av{font-size:18px}
.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#2ecc71;margin-right:3px}
.ofl{font-size:11.5px;color:var(--p);padding:0 6px 6px;text-align:left;text-decoration:underline}
/* sheet */
.mask{position:fixed;inset:0;background:rgba(30,10,20,.45);z-index:30;display:flex;align-items:flex-end;justify-content:center}
.sheet{background:#fff;width:100%;max-width:480px;max-height:88dvh;overflow:auto;border-radius:18px 18px 0 0;padding:16px 16px 22px}
.sheet h3{color:var(--p);margin-bottom:10px;font-size:17px}
.chk{display:flex;align-items:center;gap:8px;margin:6px 0}
.chk input{width:auto}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.lock{opacity:.55}
.lockt{font-size:11px;color:var(--p);margin-left:4px}
/* person card */
.pc .big{font-size:44px;text-align:center}
.pc table{width:100%;border-collapse:collapse;font-size:14px;margin:8px 0}
.pc td{padding:6px 2px;border-bottom:1px solid var(--line)}
.pc td:first-child{color:var(--mut);width:42%}
.askb{font-size:12px;color:var(--p);text-decoration:underline}
/* events */
.ev{display:flex;gap:12px;align-items:center;background:var(--pll);border-radius:14px;padding:12px;margin-bottom:10px;width:100%;text-align:left}
.ev .ic{font-size:30px}
.stage{position:relative;height:230px;overflow:hidden;display:flex;align-items:flex-end;justify-content:center;padding-bottom:16px}
.stage .cpl{font-size:52px;letter-spacing:12px;z-index:1}
.stage .deco{position:absolute;font-size:26px;opacity:.9}
.st-vuon-hoa{background:linear-gradient(#ffe3ee,#fff6f9 60%,#e8f7e4)}
.st-bien{background:linear-gradient(#bfe6ff,#e6f6ff 55%,#f7e7c4)}
.st-nguy-nga{background:radial-gradient(circle at 50% 30%,#fff3cf,#e8c167 70%,#b8862b)}
.st-truyen-thong{background:linear-gradient(#b3122e,#d63a3a 60%,#f2b632)}
.st-truyen-thong .cpl,.st-nguy-nga .cpl{filter:drop-shadow(0 2px 3px rgba(0,0,0,.25))}
.st-name{position:absolute;top:10px;left:0;right:0;text-align:center;font-weight:700;color:#8c1d45;font-size:15px}
.st-truyen-thong .st-name{color:#fff3cf}
.fly{position:absolute;left:50%;top:40px;transform:translateX(-50%);background:#fff;border:2px solid var(--gold);border-radius:14px;padding:8px 12px;text-align:center;width:86%;z-index:3;animation:fly 5.5s ease forwards;box-shadow:0 6px 18px rgba(0,0,0,.12)}
.fly .e{font-size:28px}
.fly .t{color:var(--p);font-weight:700;font-size:13.5px}
.fly .w{font-style:italic;font-size:14px}
@keyframes fly{0%{opacity:0;transform:translate(-50%,120px) scale(.7)}12%{opacity:1;transform:translate(-50%,0) scale(1)}85%{opacity:1;transform:translate(-50%,0)}100%{opacity:0;transform:translate(-50%,-40px)}}
@media (prefers-reduced-motion:reduce){.fly{animation:none}}
.roombar{display:flex;gap:6px;padding:8px 10px;border-bottom:1px solid var(--line);overflow-x:auto}
.roombar .btn{flex:none}
.hall{padding:10px}
.tbl{background:var(--pll);border-radius:14px;padding:8px 10px;margin-bottom:8px}
.tbl b{font-size:13px;color:var(--p)}
.seats{display:flex;flex-wrap:wrap;gap:5px;margin-top:6px}
.seat{background:#fff;border:1px solid var(--line);border-radius:8px;padding:3px 7px;font-size:12px}
.seat.me{border-color:var(--p);color:var(--p);font-weight:600}
.seat.empty{color:#c9b5bd;border-style:dashed}
.gl{background:var(--pll);border-radius:12px;padding:8px 11px;margin-bottom:7px;font-size:14px}
.gl i{display:block;font-size:13.5px}
.items{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.it{border:1.5px solid var(--line);border-radius:12px;padding:8px 4px;text-align:center;font-size:12.5px;background:#fff}
.it .e{font-size:26px;display:block}
.it .pr{color:var(--p);font-weight:700;font-size:12px}
.it.on{border-color:var(--p);background:var(--pll)}
.sum{background:var(--pll);border-radius:12px;padding:10px 12px;margin:10px 0}
.sum .row{padding:2px 0}
.qr{width:200px;height:200px;margin:8px auto;border:2px solid #222;padding:8px;background:#fff}
.qr svg{width:100%;height:100%;display:block}
.env{display:flex;gap:10px;align-items:center;width:100%;text-align:left;background:var(--pll);border-radius:12px;padding:10px;margin-bottom:8px}
.env .e{font-size:28px}
.bank{background:var(--blue);border-radius:12px;padding:9px 12px;margin-bottom:8px;font-size:13.5px}
.hostwarn{background:#fff1d6;color:#7a4b00;padding:8px 12px;font-size:13px;display:flex;justify-content:space-between;align-items:center;gap:8px}
.adm td{padding:5px 3px;font-size:13.5px;vertical-align:middle}
.adm input{padding:6px 8px}
.adm table{width:100%;border-collapse:collapse}
.adm tr{border-bottom:1px solid var(--line)}
.w80{width:84px!important}
/* tiệc kết hợp sảnh + online */
.livebadge{position:absolute;left:10px;top:36px;background:#e0102f;color:#fff;font-size:11px;font-weight:700;padding:3px 8px;border-radius:6px;z-index:2;animation:blink 1.6s infinite}
@keyframes blink{50%{opacity:.6}}
.camtag{position:absolute;right:10px;top:36px;background:rgba(0,0,0,.55);color:#fff;font-size:11px;padding:3px 8px;border-radius:6px;z-index:2}
.counts{position:absolute;left:10px;bottom:8px;background:rgba(255,255,255,.85);font-size:11px;padding:3px 8px;border-radius:6px;z-index:2}
.track{position:absolute;left:50%;bottom:10px;width:150px;height:90px;margin-left:-75px;border:2px dashed #ffd400;border-radius:10px;z-index:1;animation:trk 6s ease-in-out infinite}
@keyframes trk{0%,100%{transform:translateX(-14px)}50%{transform:translateX(14px)}}
.pip{position:absolute;right:10px;bottom:8px;background:#fff;border:2px solid var(--p);border-radius:12px;padding:4px 8px;display:flex;gap:6px;align-items:center;font-size:12px;z-index:2;max-width:46%}
.pip span{font-size:26px}.pip i{display:block;color:var(--mut);font-size:11px}
.seatbar{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;padding:8px 10px;background:var(--pll)}
.lseat{background:#fff;border:1px dashed var(--line);border-radius:12px;text-align:center;padding:6px 2px;font-size:12px;min-width:0}
.lseat.on{border:2px solid var(--p)}.lseat.me{background:#fff4c2}
.lseat .av{font-size:24px}.lseat .nm{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.qrow{display:flex;justify-content:space-between;align-items:center;gap:6px;padding:6px 0;border-bottom:1px solid var(--line);font-size:13.5px;flex-wrap:wrap}
.fam{background:#fff1d6;color:#7a4b00;font-size:11px;padding:1px 6px;border-radius:6px}
.led{background:#120814;color:#fff;border-radius:14px;padding:12px;border:3px solid #333}
.led-top{font-size:11px;letter-spacing:1px;color:#ffb3c7;text-align:center}
.led-main{text-align:center;padding:16px 0}
.led-main .big{font-size:64px}.led-main .who{font-size:18px;font-weight:700}.led-main .who span{display:block;font-size:13px;font-weight:400;color:#ffb3c7}
.led-row{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;font-size:12px;margin-bottom:8px}
.led-row span{background:#2a1530;padding:3px 8px;border-radius:8px}
.led-feed{font-size:13px;line-height:1.6;border-top:1px solid #3a2340;padding-top:6px}
.led-qr{display:flex;gap:10px;align-items:center;margin-top:10px;font-size:12px;color:#ffb3c7}
.qrs{width:64px;height:64px;background:#fff;padding:4px;border-radius:6px;flex:none}.qrs svg{width:100%;height:100%}