/* ============ CHÙA OS — DEMO APP ============ */
:root{
  --paper:#F6EEDA;
  --paper-soft:#FAF4E6;
  --card:#FFFDF6;
  --green-900:#0F2A1E;
  --green-800:#173B2A;
  --green-700:#22503A;
  --green-500:#3C7454;
  --gold:#B8862D;
  --gold-bright:#D8A93E;
  --earth:#A9642B;
  --ink:#1C2B22;
  --ink-soft:#5A6A60;
  --line:rgba(184,134,45,.28);
  --serif:"Playfair Display",Georgia,serif;
  --sans:"Be Vietnam Pro",-apple-system,sans-serif;
  --ribbon-h:38px;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:var(--sans);background:var(--paper);color:var(--ink);line-height:1.55;font-size:14px}
::selection{background:var(--gold-bright);color:var(--green-900)}
button{font-family:var(--sans);cursor:pointer}

/* ---- demo ribbon ---- */
.demo-ribbon{
  position:fixed;top:0;left:0;right:0;height:var(--ribbon-h);z-index:60;
  background:linear-gradient(90deg,var(--green-900),var(--green-700));
  color:rgba(246,238,218,.9);font-size:12.5px;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 18px;border-bottom:1px solid rgba(216,169,62,.4);
}
.demo-ribbon b{color:var(--gold-bright)}
.demo-ribbon a{color:var(--gold-bright);text-decoration:none;font-weight:600;white-space:nowrap}
.demo-ribbon a:hover{text-decoration:underline}
.rb-links{color:rgba(246,238,218,.45);white-space:nowrap}

/* ---- layout ---- */
.app{display:flex;min-height:100vh;padding-top:var(--ribbon-h)}
.side{
  width:250px;flex:none;background:var(--green-900);color:var(--paper);
  display:flex;flex-direction:column;
  position:sticky;top:var(--ribbon-h);height:calc(100vh - var(--ribbon-h));
  overflow-y:auto;scrollbar-width:thin;
}
.side-brand{
  display:flex;align-items:center;gap:10px;padding:18px 18px 14px;text-decoration:none;
  font-family:var(--serif);font-weight:800;font-size:21px;color:var(--paper);
}
.side-brand em{color:var(--gold-bright);font-style:italic}
.temple-switch{
  margin:0 14px 14px;padding:11px 12px;border-radius:12px;
  background:rgba(246,238,218,.07);border:1px solid rgba(216,169,62,.25);
  display:flex;gap:10px;align-items:center;
}
.ts-ava{
  width:34px;height:34px;flex:none;border-radius:9px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--gold-bright),var(--gold));color:var(--green-900);font-weight:700;font-size:13px;
}
.temple-switch b{display:block;font-size:13px;line-height:1.3}
.temple-switch small{color:rgba(246,238,218,.55);font-size:11px}

.side-nav{flex:1;padding:2px 10px 16px}
.nav-group{margin-top:14px}
.nav-group>span{
  display:flex;align-items:center;gap:8px;
  font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;font-weight:700;
  color:var(--gold-bright);padding:0 10px 6px;
}
.nav-group>span::after{content:"";flex:1;height:1px;background:rgba(216,169,62,.25)}
.nav-item{
  display:flex;align-items:center;gap:10px;
  padding:8px 10px;border-radius:9px;color:rgba(246,238,218,.78);
  text-decoration:none;font-size:13.5px;transition:background .2s,color .2s;
}
.nav-item .ni{width:14px;text-align:center;flex:none;font-size:10px;color:var(--gold-bright);opacity:.45}
.nav-item.on .ni,.nav-item:hover .ni{opacity:1}
.nav-item:hover{background:rgba(246,238,218,.08);color:var(--paper)}
.nav-item.on{background:linear-gradient(90deg,rgba(216,169,62,.28),rgba(216,169,62,.1));color:var(--gold-bright);font-weight:600}
.side-foot{padding:14px 18px;border-top:1px solid rgba(216,169,62,.2);color:rgba(246,238,218,.45);font-size:11.5px}
.side-foot b{color:rgba(246,238,218,.7)}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{
  position:sticky;top:var(--ribbon-h);z-index:40;
  display:flex;align-items:center;gap:16px;
  background:rgba(246,238,218,.92);backdrop-filter:blur(10px);
  padding:12px 26px;border-bottom:1px solid var(--line);
}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:4px 10px;font-size:16px;color:var(--green-800)}
.crumb{font-family:var(--serif);font-weight:700;font-size:19px;color:var(--green-900)}
.top-tools{margin-left:auto;display:flex;align-items:center;gap:14px}
.season-chip{
  font-size:12px;font-weight:600;color:var(--earth);
  background:rgba(216,169,62,.14);border:1px solid var(--line);
  padding:6px 12px;border-radius:999px;white-space:nowrap;
}
.ai-btn{
  background:var(--green-800);color:var(--gold-bright);border:none;border-radius:999px;
  padding:8px 16px;font-size:13px;font-weight:600;
  box-shadow:0 8px 18px -8px rgba(15,42,30,.5);transition:transform .2s,background .2s;
}
.ai-btn:hover{transform:translateY(-1px);background:var(--green-700)}
.user{display:flex;gap:9px;align-items:center}
.u-ava{
  width:34px;height:34px;border-radius:50%;background:var(--earth);color:var(--paper);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12.5px;
}
.u-info b{display:block;font-size:12.5px;line-height:1.25}
.u-info small{color:var(--ink-soft);font-size:11px}

.content{padding:26px;max-width:1240px;width:100%;margin:0 auto;animation:viewIn .4s cubic-bezier(.2,.7,.2,1)}
@keyframes viewIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

/* ---- generic blocks ---- */
.view-head{margin-bottom:20px;display:flex;align-items:flex-end;gap:16px;flex-wrap:wrap}
.view-head h1{font-family:var(--serif);font-size:26px;color:var(--green-900)}
.view-head p{color:var(--ink-soft);font-size:13.5px}
.view-head .spacer{flex:1}
.pill-btn{
  background:linear-gradient(135deg,var(--gold-bright),var(--gold));color:var(--green-900);
  border:none;border-radius:999px;padding:9px 18px;font-weight:700;font-size:13px;
  box-shadow:0 8px 18px -8px rgba(184,134,45,.6);transition:transform .2s;
}
.pill-btn:hover{transform:translateY(-1px)}
.pill-ghost{background:none;border:1.5px solid var(--green-700);color:var(--green-800);border-radius:999px;padding:8px 16px;font-weight:600;font-size:13px}

.grid{display:grid;gap:16px}
.g4{grid-template-columns:repeat(4,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.g23{grid-template-columns:2fr 1fr}
.g32{grid-template-columns:1fr 2fr}
@media(max-width:1000px){.g4{grid-template-columns:repeat(2,1fr)}.g3,.g23,.g32{grid-template-columns:1fr}}
@media(max-width:560px){.g4{grid-template-columns:1fr}.g2{grid-template-columns:1fr}}

.card{
  background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;
  box-shadow:0 10px 26px -20px rgba(15,42,30,.3);
}
.card h3{font-family:var(--serif);font-size:16.5px;color:var(--green-900);margin-bottom:12px;display:flex;align-items:center;gap:8px}
.card h3 .grow{flex:1}
.card h3 a{font-family:var(--sans);font-size:12px;font-weight:600;color:var(--gold);text-decoration:none}
.mt{margin-top:16px}

/* KPI */
.kpi{position:relative;overflow:hidden}
.kpi::after{content:"";position:absolute;right:-18px;top:-18px;width:74px;height:74px;border-radius:50%;background:rgba(216,169,62,.12)}
.kpi small{font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);font-weight:600}
.kpi b{display:block;font-family:var(--serif);font-size:27px;color:var(--green-800);margin:4px 0 2px;letter-spacing:-.01em}
.kpi span{font-size:12px;color:var(--green-500);font-weight:600}
.kpi span.down{color:var(--earth)}

/* table */
.tbl{width:100%;border-collapse:collapse;font-size:13px}
.tbl th{
  text-align:left;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);
  padding:8px 10px;border-bottom:1.5px solid var(--line);white-space:nowrap;
}
.tbl td{padding:10px;border-bottom:1px solid rgba(184,134,45,.14);vertical-align:top}
.tbl tr:last-child td{border-bottom:none}
.tbl tr:hover td{background:rgba(216,169,62,.05)}
.tbl .num{text-align:right;font-weight:600;color:var(--green-800);white-space:nowrap}
.badge{
  display:inline-block;padding:3px 10px;border-radius:999px;font-size:11px;font-weight:600;white-space:nowrap;
  background:rgba(60,116,84,.13);color:var(--green-700);
}
.badge.warn{background:rgba(216,169,62,.18);color:var(--earth)}
.badge.hot{background:rgba(169,100,43,.15);color:var(--earth)}
.badge.full{background:var(--green-800);color:var(--gold-bright)}

/* progress */
.prog{height:7px;border-radius:99px;background:rgba(184,134,45,.16);overflow:hidden}
.prog i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--green-500),var(--green-700))}
.prog.gold i{background:linear-gradient(90deg,var(--gold-bright),var(--gold))}

/* charts */
.chart svg{width:100%;height:auto;display:block}
.chart-cap{display:flex;justify-content:space-between;font-size:11px;color:var(--ink-soft);margin-top:6px}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--ink-soft);margin-top:10px}
.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:5px;vertical-align:-1px}

/* feed */
.post{display:flex;gap:12px;padding:16px 0;border-bottom:1px solid rgba(184,134,45,.15)}
.post:last-child{border-bottom:none}
.post-ava{width:42px;height:42px;flex:none;border-radius:50%;background:var(--green-700);color:var(--gold-bright);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}
.post b{font-size:13.5px}
.post .meta{font-size:11.5px;color:var(--ink-soft)}
.post p{margin:7px 0;font-size:13.5px}
.post .acts{font-size:12px;color:var(--ink-soft);display:flex;gap:16px}
.post .tag{font-size:10.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--gold);border:1px solid var(--line);padding:2px 8px;border-radius:99px;margin-left:8px}

/* product grid */
.prod{position:relative;transition:transform .25s,box-shadow .25s}
.prod:hover{transform:translateY(-4px);box-shadow:0 22px 40px -24px rgba(15,42,30,.4)}
.prod .p-img{
  height:96px;border-radius:11px;display:flex;align-items:center;justify-content:center;font-size:42px;
  background:linear-gradient(135deg,rgba(34,80,58,.08),rgba(216,169,62,.14));margin-bottom:12px;
}
.prod h4{font-size:13.5px;line-height:1.35;min-height:36px}
.prod .p-cat{font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--earth);font-weight:700}
.prod .p-price{font-family:var(--serif);font-size:19px;color:var(--green-800);font-weight:700;margin-top:5px}
.prod .p-meta{font-size:11.5px;color:var(--ink-soft);margin-top:3px}

/* heritage map */
.h-map{position:relative;border-radius:14px;overflow:hidden;background:linear-gradient(160deg,#1A3D2C,#0F2A1E);min-height:380px}
.h-map svg{position:absolute;inset:0;width:100%;height:100%}
.h-spot{position:absolute;transform:translate(-50%,-50%);cursor:pointer;text-align:center;border:none;background:none}
.h-spot i{
  display:block;width:15px;height:15px;border-radius:50%;margin:0 auto;
  background:var(--gold-bright);box-shadow:0 0 0 5px rgba(216,169,62,.25);
  transition:transform .2s;animation:spotPulse 2.6s infinite;
}
.h-spot:hover i,.h-spot.on i{transform:scale(1.35);background:#fff}
.h-spot span{
  display:inline-block;margin-top:6px;font-size:11px;font-weight:600;color:var(--paper);
  background:rgba(15,42,30,.75);padding:2px 9px;border-radius:99px;white-space:nowrap;
}
@keyframes spotPulse{0%,100%{box-shadow:0 0 0 5px rgba(216,169,62,.25)}50%{box-shadow:0 0 0 10px rgba(216,169,62,.08)}}
.h-info h4{font-family:var(--serif);font-size:17px;color:var(--green-900)}
.h-info p{font-size:13px;color:var(--ink-soft);margin-top:6px}
.h-tags{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.h-tags span{font-size:11px;font-weight:600;border:1px dashed var(--gold);color:var(--earth);padding:4px 10px;border-radius:99px}

/* artifact */
.art .p-img{background:radial-gradient(circle at 50% 40%,rgba(216,169,62,.3),rgba(15,42,30,.9));font-size:46px}
.art .badge{margin-top:6px}

/* AI drawer */
.ai-overlay{position:fixed;inset:0;background:rgba(15,42,30,.4);backdrop-filter:blur(2px);opacity:0;pointer-events:none;transition:opacity .3s;z-index:70}
.ai-drawer{
  position:fixed;top:0;right:-430px;bottom:0;width:min(420px,94vw);z-index:80;
  background:var(--paper-soft);border-left:1px solid var(--line);
  display:flex;flex-direction:column;transition:right .38s cubic-bezier(.2,.7,.2,1);
  box-shadow:-30px 0 60px -30px rgba(15,42,30,.4);
}
body.ai-open .ai-drawer{right:0}
body.ai-open .ai-overlay{opacity:1;pointer-events:auto}
.ai-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;background:var(--green-900);color:var(--paper)}
.ai-title{display:flex;gap:12px;align-items:center}
.ai-title b{font-size:14.5px;display:block}
.ai-title small{color:rgba(246,238,218,.6);font-size:11px}
.ai-orb{
  width:34px;height:34px;border-radius:50%;flex:none;
  background:radial-gradient(circle at 32% 30%,var(--gold-bright),var(--gold) 60%,var(--earth));
  box-shadow:0 0 18px rgba(216,169,62,.55);animation:orb 3s ease-in-out infinite;
}
@keyframes orb{0%,100%{transform:scale(1)}50%{transform:scale(1.08)}}
.ai-close{background:none;border:none;color:rgba(246,238,218,.7);font-size:16px}
.ai-close:hover{color:var(--gold-bright)}
.ai-body{flex:1;overflow-y:auto;padding:18px;display:flex;flex-direction:column;gap:12px}
.msg{max-width:88%;padding:11px 14px;border-radius:14px;font-size:13px;line-height:1.55;animation:viewIn .3s}
.msg.bot{background:#fff;border:1px solid var(--line);border-top-left-radius:4px;align-self:flex-start}
.msg.me{background:var(--green-800);color:var(--paper);border-top-right-radius:4px;align-self:flex-end}
.msg.typing{color:var(--ink-soft);font-style:italic}
.ai-suggest{display:flex;gap:8px;padding:0 18px 10px;flex-wrap:wrap}
.ai-suggest button{
  font-size:11.5px;border:1px solid var(--line);background:#fff;color:var(--earth);
  border-radius:99px;padding:5px 11px;transition:background .2s;
}
.ai-suggest button:hover{background:rgba(216,169,62,.14)}
.ai-input{display:flex;gap:10px;padding:14px 18px;border-top:1px solid var(--line);background:#fff}
.ai-input input{
  flex:1;border:1px solid var(--line);border-radius:99px;padding:10px 16px;font-family:var(--sans);
  font-size:13px;background:var(--paper-soft);outline:none;
}
.ai-input input:focus{border-color:var(--gold)}
.ai-input button{
  background:var(--green-800);color:var(--gold-bright);border:none;border-radius:99px;padding:10px 20px;font-weight:700;font-size:13px;
}

/* pillar intro banner on group dashboards */
.pillar-banner{
  border-radius:16px;padding:22px 24px;margin-bottom:20px;color:var(--paper);
  background:linear-gradient(120deg,var(--green-900),var(--green-700));
  border:1px solid rgba(216,169,62,.35);display:flex;gap:18px;align-items:center;flex-wrap:wrap;
}
.pillar-banner .pb-num{
  font-family:var(--serif);font-style:italic;font-weight:700;font-size:38px;
  color:var(--gold-bright);line-height:1;width:56px;flex:none;text-align:center;
  border-right:1px solid rgba(216,169,62,.4);padding-right:16px;
}
.pillar-banner.gold .pb-num{color:rgba(255,251,240,.95);border-right-color:rgba(255,251,240,.35)}
.pillar-banner h2{font-family:var(--serif);font-size:21px}
.pillar-banner p{color:rgba(246,238,218,.75);font-size:13px;max-width:62ch}
.pillar-banner.gold{background:linear-gradient(120deg,#6E4A12,var(--gold))}
.pillar-banner.gold p{color:rgba(255,251,240,.85)}

/* toast */
.toast{
  position:fixed;bottom:22px;left:50%;transform:translate(-50%,80px);z-index:90;
  background:var(--green-900);color:var(--paper);font-size:13px;padding:12px 22px;border-radius:99px;
  border:1px solid var(--gold);box-shadow:0 16px 40px -14px rgba(0,0,0,.5);
  transition:transform .35s cubic-bezier(.2,.7,.2,1);pointer-events:none;
}
.toast.show{transform:translate(-50%,0)}
.toast b{color:var(--gold-bright)}

/* lang buttons (AI guide) */
.lang-btn.on{background:var(--green-800);color:var(--gold-bright);border-color:var(--green-800)}

/* ---- SỚ modal ---- */
.so-modal{position:fixed;inset:0;z-index:95;display:flex;align-items:center;justify-content:center;padding:20px}
.so-back{position:absolute;inset:0;background:rgba(15,42,30,.55);backdrop-filter:blur(3px)}
.so-sheet{position:relative;max-width:520px;width:100%;max-height:92vh;overflow-y:auto;animation:viewIn .35s}
.so-paper{
  background:linear-gradient(160deg,#FBF3DD,#F3E6C2);
  border-radius:6px;padding:16px;
  box-shadow:0 40px 90px -30px rgba(0,0,0,.6);
}
.so-border{
  border:2.5px solid var(--gold);outline:1px solid var(--gold);outline-offset:4px;
  padding:34px 30px;text-align:center;
}
.so-nammo{font-size:11px;letter-spacing:.28em;color:var(--earth);font-weight:700}
.so-title{font-family:var(--serif);font-size:30px;color:var(--green-900);margin:14px 0 6px;letter-spacing:.06em}
.so-line{font-size:12.5px;color:var(--ink-soft);font-style:italic}
.so-rule{width:64px;height:1.5px;background:var(--gold);margin:18px auto}
.so-body{font-size:13.5px;color:var(--ink);text-align:justify;text-align-last:center;margin:10px 0}
.so-names{font-family:var(--serif);font-size:17px;color:var(--green-800);margin:14px 0}
.so-foot{font-size:11px;color:var(--ink-soft);letter-spacing:.06em}
.so-acts{display:flex;gap:10px;justify-content:center;margin-top:14px}

.so-paper + .so-paper{margin-top:14px}
@media print{
  body>*{display:none!important}
  body>.so-modal{display:flex!important;position:static;padding:0}
  .so-back,.so-acts{display:none!important}
  .so-sheet{max-width:none;max-height:none;overflow:visible}
  .so-paper{box-shadow:none;background:#fff;page-break-after:always}
  .so-paper + .so-paper{margin-top:0}
}

/* ---- FORM MODAL (thao tác thật) ---- */
.fm-modal{position:fixed;inset:0;z-index:96;display:flex;align-items:center;justify-content:center;padding:18px}
.fm-back{position:absolute;inset:0;background:rgba(15,42,30,.5);backdrop-filter:blur(3px)}
.fm-sheet{
  position:relative;width:100%;max-width:460px;max-height:90vh;overflow-y:auto;
  background:var(--paper-soft);border:1px solid var(--gold);border-radius:16px;
  padding:24px;box-shadow:0 40px 90px -30px rgba(0,0,0,.55);animation:viewIn .3s;
}
.fm-sheet h3{font-family:var(--serif);font-size:18px;color:var(--green-900);margin-bottom:16px}
.fm-sheet label{
  display:flex;flex-direction:column;gap:6px;margin-bottom:13px;
  font-size:11px;letter-spacing:.08em;text-transform:uppercase;font-weight:700;color:var(--earth);
}
.fm-sheet input,.fm-sheet select,.fm-sheet textarea{
  font-family:var(--sans);font-size:14px;color:var(--ink);
  background:#fff;border:1px solid var(--line);border-radius:10px;
  padding:11px 13px;outline:none;transition:border-color .2s;
}
.fm-sheet input:focus,.fm-sheet select:focus,.fm-sheet textarea:focus{border-color:var(--gold)}
.fm-acts{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.fm-acts .pill-btn,.fm-acts .pill-ghost{flex:1;min-width:120px}

/* ---- MINI PLAYER ---- */
.mini-player{
  position:fixed;left:14px;right:14px;bottom:16px;z-index:88;
  display:flex;align-items:center;gap:14px;
  background:var(--green-900);color:var(--paper);
  border:1px solid rgba(216,169,62,.5);border-radius:14px;
  padding:11px 16px;box-shadow:0 18px 44px -16px rgba(0,0,0,.55);
  animation:viewIn .3s;max-width:480px;margin:0 auto;
}
.mp-eq{display:flex;gap:3px;align-items:flex-end;height:20px;flex:none}
.mp-eq i{width:3.5px;background:var(--gold-bright);border-radius:2px;animation:eq 1s ease-in-out infinite}
.mp-eq i:nth-child(1){height:60%}.mp-eq i:nth-child(2){height:100%;animation-delay:.2s}
.mp-eq i:nth-child(3){height:45%;animation-delay:.4s}.mp-eq i:nth-child(4){height:80%;animation-delay:.6s}
@keyframes eq{0%,100%{transform:scaleY(.5)}50%{transform:scaleY(1)}}
.mp-info{flex:1;min-width:0}
.mp-info b{display:block;font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mp-prog{height:3.5px;border-radius:99px;background:rgba(246,238,218,.18);margin-top:7px;overflow:hidden}
.mp-prog i{display:block;height:100%;width:0;background:var(--gold-bright);animation:mprog 180s linear forwards}
@keyframes mprog{to{width:100%}}
.mp-x{background:none;border:none;color:rgba(246,238,218,.6);font-size:15px;flex:none}
.mp-x:hover{color:var(--gold-bright)}
body.m .mini-player{bottom:calc(var(--tabbar-h) + 12px)}

/* ---- VR SCENE / PLAYER ---- */
.vr-scene{
  position:relative;border-radius:12px;overflow:hidden;height:210px;
  background:linear-gradient(180deg,#0A1F16,#173B2A);
}
.vr-pan{
  position:absolute;inset:0;width:300%;
  background:
    radial-gradient(140px 90px at 12% 78%,rgba(216,169,62,.4),transparent 70%),
    radial-gradient(200px 120px at 42% 82%,rgba(34,80,58,.9),transparent 70%),
    radial-gradient(160px 100px at 70% 76%,rgba(216,169,62,.28),transparent 70%),
    radial-gradient(220px 130px at 92% 84%,rgba(30,70,50,.9),transparent 70%),
    linear-gradient(180deg,rgba(216,169,62,.14),transparent 55%);
  animation:vrpan 26s ease-in-out infinite alternate;
}
@keyframes vrpan{from{transform:translateX(0)}to{transform:translateX(-66%)}}
.vr-label{
  position:absolute;left:12px;right:12px;bottom:10px;
  font-size:11.5px;color:rgba(246,238,218,.85);
  background:rgba(15,42,30,.6);border-radius:8px;padding:6px 10px;backdrop-filter:blur(4px);
}
.live-dot{
  position:absolute;top:10px;left:10px;font-size:11px;font-weight:700;letter-spacing:.06em;
  color:#FFD9CF;background:rgba(216,84,62,.35);border-radius:99px;padding:4px 10px;
  animation:pulse 1.6s infinite;
}
.vr-prog{position:absolute;left:12px;right:12px;bottom:40px}
.vr-prog i{animation-duration:60s}

/* ---- ART 3D VIEWER ---- */
.art3d{
  display:flex;align-items:center;justify-content:center;height:190px;border-radius:12px;
  background:radial-gradient(circle at 50% 42%,rgba(216,169,62,.35),rgba(10,31,22,.96) 70%);
}
.art3d-obj{display:block;animation:art3d 9s ease-in-out infinite}
.art3d-obj svg{width:96px;height:96px}
@keyframes art3d{0%,100%{transform:rotateY(0) scale(1)}50%{transform:rotateY(180deg) scale(1.12)}}

/* ---- KINH READER ---- */
.kinh-doc{
  font-family:var(--serif);font-size:16px;font-style:italic;line-height:1.9;
  color:var(--green-900);text-align:center;
  padding:18px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:10px;
}

/* responsive */
@media(max-width:900px){
  .side{position:fixed;left:-260px;transition:left .3s;z-index:65;box-shadow:20px 0 50px rgba(0,0,0,.3)}
  body.side-open .side{left:0}
  .burger{display:block}
  .u-info,.season-chip{display:none}
  .content{padding:18px 14px}
  .demo-ribbon span{font-size:11px}
}