.monter-announcement-layer{
  position:fixed;
  inset:0;
  z-index:10050;
  display:grid;
  place-items:center;
  padding:20px;
  background:rgba(0,5,13,.76);
  -webkit-backdrop-filter:blur(7px);
  backdrop-filter:blur(7px);
  opacity:0;
  visibility:hidden;
  transition:opacity .18s ease,visibility .18s ease;
}
#notificationButton[hidden]{display:none!important}
.monter-announcement-layer.open{
  opacity:1;
  visibility:visible;
}
.monter-announcement-panel{
  width:min(520px,100%);
  max-height:min(760px,calc(100vh - 34px));
  overflow:auto;
  padding:24px;
  border:1px solid #24415f;
  border-radius:20px;
  color:#eef6ff;
  background:#0e1d31;
  box-shadow:0 26px 90px rgba(0,0,0,.58);
  transform:translateY(12px) scale(.985);
  transition:transform .18s ease;
}
.monter-announcement-layer.open .monter-announcement-panel{
  transform:translateY(0) scale(1);
}
.monter-announcement-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:18px;
}
.monter-announcement-kicker{
  margin-bottom:10px;
  color:#51e6f1;
  font-size:11px;
  font-weight:1000;
  letter-spacing:.12em;
}
.monter-announcement-title{
  margin:0;
  color:#f8fbff;
  font-size:25px;
  line-height:1.15;
  font-weight:1000;
}
.monter-announcement-subtitle{
  margin:8px 0 0;
  color:#94a8c1;
  font-size:12px;
  line-height:1.55;
  white-space:pre-line;
}
.monter-announcement-sale[hidden]{display:none!important}
.monter-announcement-sale{
  position:relative;
  margin-top:13px;
  padding:30px 14px 13px;
  overflow:hidden;
  border:1px solid rgba(255,209,102,.72);
  border-radius:13px;
  color:#fff8dd;
  background:
    radial-gradient(circle at 92% 8%,rgba(255,224,120,.27),transparent 35%),
    linear-gradient(110deg,#7f1d1d,#c2410c 52%,#9a3412);
  box-shadow:0 9px 30px rgba(194,65,12,.24),inset 0 0 24px rgba(255,211,105,.08);
  font-size:14px;
  font-weight:900;
  line-height:1.5;
  white-space:pre-line;
  animation:monter-sale-glow 1.8s ease-in-out infinite alternate;
}
.monter-announcement-sale::before{
  content:'🔥 ƯU ĐÃI ĐANG DIỄN RA';
  position:absolute;
  top:9px;
  left:14px;
  color:#ffe082;
  font-size:9px;
  font-weight:1000;
  letter-spacing:.12em;
}
@keyframes monter-sale-glow{
  from{border-color:rgba(255,209,102,.55);filter:saturate(1)}
  to{border-color:rgba(255,233,151,.95);filter:saturate(1.14)}
}
.monter-announcement-x{
  flex:0 0 38px;
  width:38px;
  height:38px;
  border:1px solid #294765;
  border-radius:12px;
  color:#d9e8f7;
  background:#0a1728;
  cursor:pointer;
  font-size:20px;
  line-height:1;
}
.monter-announcement-x:hover{border-color:#45dce8;color:#fff}
.monter-announcement-content{
  display:grid;
  gap:11px;
  margin:20px 0;
  padding:16px;
  border:1px solid #203d5b;
  border-radius:15px;
  background:#071421;
}
.monter-announcement-content-title{
  color:#4ee6ef;
  font-size:14px;
  font-weight:1000;
}
.monter-announcement-body{
  margin:0;
  color:#b7c7da;
  font-size:12px;
  line-height:1.6;
  white-space:pre-line;
}
.monter-announcement-list{
  display:grid;
  gap:8px;
  margin:0;
  padding-left:20px;
  color:#e1ebf7;
  font-size:12px;
  line-height:1.55;
}
.monter-announcement-actions{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
}
.monter-announcement-action{
  min-height:48px;
  padding:10px 14px;
  border:1px solid #294765;
  border-radius:13px;
  color:#eef6ff;
  background:#0a1728;
  cursor:pointer;
  font-size:10px;
  font-weight:1000;
  letter-spacing:.02em;
}
.monter-announcement-action:hover{filter:brightness(1.1)}
.monter-announcement-action.primary{
  border-color:#42d9e4;
  color:#04131c;
  background:linear-gradient(90deg,#21c8d8,#6ce4eb);
}
body.monter-announcement-lock{overflow:hidden!important}
@media(prefers-reduced-motion:reduce){
  .monter-announcement-sale{animation:none}
}
@media(max-width:560px){
  .monter-announcement-layer{padding:12px}
  .monter-announcement-panel{padding:20px 16px;border-radius:17px}
  .monter-announcement-title{font-size:22px}
  .monter-announcement-actions{grid-template-columns:1fr}
}