/* === 4D ULTRA IMMERSIVE KIẾM HIỆP SYSTEM === */

*{margin:0;padding:0;box-sizing:border-box;}

:root{
  --gold:#d4af37;
  --gold-bright:#ffd700;
  --gold-light:#ffe680;
  --gold-dim:#a68a2d;
  --crimson:#b91c1c;
  --crimson-light:#ef4444;
  --bg-deep:#0c1427;
  --card-bg:rgba(22, 34, 62, 0.90);
  --card-border:rgba(212, 175, 55, 0.55);
  --text-main:#ffffff;
  --text-gold:#ffe082;
  --text-dim:#cbd5e1;
}

html{scroll-behavior:smooth;}

body{

  background-color: var(--bg-deep);

  background-image: 

    radial-gradient(circle at 50% 15%, rgba(60, 95, 170, 0.3) 0%, transparent 65%),

    linear-gradient(180deg, rgba(14, 22, 42, 0.35) 0%, rgba(14, 22, 42, 0.72) 650px, rgba(12, 18, 36, 0.88) 100%),

    url('bg_thiendiabatmon.jpg');

  background-repeat: no-repeat;

  background-position: top center;

  background-size: 1920px auto;

  color: var(--text-main);

  font-family: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  overflow-x: hidden;

  min-height: 100vh;

  position: relative;

}

@media(max-width: 768px) {

  body {

    background-size: cover;

    background-position: center top;

  }

}

/* Scrollbar 4D */

::-webkit-scrollbar{width:8px;}

::-webkit-scrollbar-track{background:#050810;}

::-webkit-scrollbar-thumb{background:var(--gold-dim);border-radius:4px;}

::-webkit-scrollbar-thumb:hover{background:var(--gold-bright);box-shadow:0 0 10px var(--gold-bright);}

/* 4D Canvas Particles (Tương tác vật lý với con trỏ chuột) */

#particles-4d{

  position:fixed;

  top:0;left:0;

  width:100%;height:100%;

  pointer-events:none;

  z-index:1;

}

/* 4D Shockwave Ripple Effect Container */

.shockwave-ripple{

  position:fixed;

  border-radius:50%;

  pointer-events:none;

  z-index:99999;

  border:2px solid rgba(255, 215, 0, 0.85);

  box-shadow:0 0 20px rgba(255, 215, 0, 0.8), inset 0 0 15px rgba(255, 215, 0, 0.5);

  transform:translate(-50%, -50%) scale(0);

  animation:shockwaveAnim 0.6s cubic-bezier(0.1, 0.8, 0.3, 1) forwards;

}

@keyframes shockwaveAnim{

  0%{transform:translate(-50%, -50%) scale(0);opacity:1;}

  100%{transform:translate(-50%, -50%) scale(25);opacity:0;}

}

/* === HEADER 4D GLASS & HUD === */

header{

  position:sticky;

  top:0;left:0;right:0;

  z-index:1000;

  background:rgba(16, 25, 46, 0.94);

  border-bottom:1px solid rgba(212, 175, 55, 0.4);

  backdrop-filter:blur(18px);

  padding:10px 32px;

  display:flex;align-items:center;justify-content:space-between;

  box-shadow:0 6px 25px rgba(0,0,0,0.5);

}

.logo-wrap{

  display:flex;align-items:center;gap:12px;

  text-decoration:none;

}

.logo-seal-4d{
  width:52px;height:52px;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:radial-gradient(circle, rgba(212,175,55,0.2) 0%, rgba(20,4,7,0.9) 100%);
  border:2px solid rgba(255,215,0,0.85);
  box-shadow:0 0 20px rgba(212,175,55,0.7), inset 0 0 10px rgba(212,175,55,0.5);
  animation:sealPulse4D 3s ease-in-out infinite;
  transition:all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.logo-wrap:hover .logo-seal-4d{
  transform:scale(1.1) rotate(6deg);
  box-shadow:0 0 32px rgba(255,215,0,1), inset 0 0 16px rgba(255,215,0,0.8);
}
.logo-crest-img{
  width:44px;height:44px;
  border-radius:50%;
  object-fit:contain;
  filter:drop-shadow(0 2px 6px rgba(0,0,0,0.8));
}

@keyframes sealPulse4D{0%,100%{box-shadow:0 0 14px rgba(212,175,55,0.4);}50%{box-shadow:0 0 30px rgba(255,215,0,0.9);}}

@keyframes rotateSlow{from{transform:rotate(0deg);}to{transform:rotate(360deg);}}

.logo-text .logo-main{

  font-family:'Noto Serif TC',serif;

  font-size:19px;font-weight:900;

  letter-spacing:1px;

  color:var(--gold-light);

  text-shadow:0 0 12px rgba(212,175,55,0.6);

  position:relative;

  display:inline-block;

}

/* Shimmer 4D sweep qua tiêu đề */

.logo-text .logo-main::after{

  content:'';position:absolute;top:0;left:-100%;width:60%;height:100%;

  background:linear-gradient(90deg, transparent, rgba(255,255,255,0.8), transparent);

  animation:shimmerSweep 4s infinite;

}

@keyframes shimmerSweep{0%,70%{left:-100%;}100%{left:200%;}}

.logo-text .logo-sub{

  font-size:10px;letter-spacing:3px;

  color:var(--text-dim);text-transform:uppercase;

}

/* 4D Real-time Time & Astrological Widget (Giờ Hoàng Đạo) */

.time-widget-4d{

  display:inline-flex;align-items:center;gap:8px;

  background:rgba(0,0,0,0.5);

  border:1px solid rgba(212,175,55,0.35);

  border-radius:20px;

  padding:5px 14px;

  font-size:12px;color:var(--gold-bright);

}

nav ul{

  display:flex;list-style:none;gap:18px;align-items:center;

}

nav a{

  color:rgba(241, 245, 249, 0.85);

  text-decoration:none;font-size:13px;font-weight:700;

  letter-spacing:0.5px;transition:all 0.3s;

  display:flex;align-items:center;gap:6px;

}

nav a:hover{

  color:var(--gold-bright);

  text-shadow:0 0 10px rgba(255,215,0,0.8);

  transform:translateY(-1px);

}

.btn-sound-toggle{

  background:rgba(212,175,55,0.15);

  border:1px solid var(--gold);

  border-radius:20px;

  color:var(--gold-bright);

  padding:5px 14px;

  font-size:12px;font-weight:800;

  cursor:pointer;display:flex;align-items:center;gap:6px;

  transition:all 0.25s;

}

.btn-sound-toggle:hover{

  background:rgba(212,175,55,0.35);

  box-shadow:0 0 15px rgba(212,175,55,0.5);

}

.btn-nav-auth{

  background:linear-gradient(135deg, #d4af37, #9e1b1b);

  color:#fff !important;

  padding:8px 20px !important;

  border-radius:6px;font-weight:800 !important;

  box-shadow:0 4px 15px rgba(212,175,55,0.4);

  border:1px solid rgba(255,230,128,0.5);

  cursor:pointer;transition:all 0.3s;

}

.btn-nav-auth:hover{

  transform:translateY(-2px);

  box-shadow:0 6px 22px rgba(212,175,55,0.7);

}

.btn-nav-user{

  background:rgba(212,175,55,0.15);

  color:var(--gold-bright) !important;

  border:1px solid var(--gold);

  padding:7px 18px !important;

  border-radius:20px;font-weight:700 !important;

  cursor:pointer;

  display:flex;align-items:center;gap:8px;

}

@media(max-width:1024px){nav{display:none;}header{padding:10px 18px;}}

/* === HERO 4D PARALLAX SHOWCASE === */

.hero-4d{

  position:relative;

  z-index:2;

  width:100%;

  max-width:1280px;

  margin:0 auto;

  padding:25px 20px 20px;

  display:flex;

  flex-direction:column;

  align-items:center;

  text-align:center;

  perspective:1200px;

}

.hero-artwork-frame-4d{

  width:100%;

  max-width:1024px;

  border:2px solid var(--card-border);

  border-radius:14px;

  overflow:hidden;

  box-shadow:0 20px 50px rgba(0,0,0,0.7), 0 0 35px rgba(212,175,55,0.3);

  background:#090e1a;

  position:relative;

  margin-bottom:24px;

  transform-style:preserve-3d;

  transition:transform 0.15s ease-out, box-shadow 0.3s;

  cursor:pointer;

}

.hero-artwork-frame-4d:hover{

  box-shadow:0 25px 60px rgba(0,0,0,0.85), 0 0 50px rgba(255,215,0,0.5);

}

.hero-artwork-frame-4d img{

  width:100%;height:auto;

  display:block;

  object-fit:cover;

  transform:scale(1.02);

  transition:transform 0.4s ease;

}

.hero-artwork-frame-4d:hover img{

  transform:scale(1.05);

}

.hero-artwork-overlay-4d{

  position:absolute;inset:0;

  background:linear-gradient(180deg, transparent 65%, rgba(8, 13, 24, 0.95) 100%);

  pointer-events:none;

}

/* Hiệu ứng tia chớp quang ma pháp 4D lượn qua */

.hero-magic-glow{

  position:absolute;

  top:-50%;left:-50%;width:200%;height:200%;

  background:radial-gradient(circle, rgba(255,215,0,0.08) 0%, transparent 60%);

  pointer-events:none;

  animation:magicGlowFloat 8s ease-in-out infinite alternate;

}

@keyframes magicGlowFloat{

  0%{transform:translate(-5%, -5%) scale(1);}

  100%{transform:translate(5%, 5%) scale(1.15);}

}

.server-badge-4d{

  display:inline-flex;align-items:center;gap:10px;

  background:rgba(13, 20, 36, 0.92);

  border:1px solid var(--gold);

  border-radius:30px;

  padding:8px 24px;

  font-size:13px;font-weight:800;

  color:var(--gold-bright);

  letter-spacing:1px;

  box-shadow:0 4px 18px rgba(212,175,55,0.35);

  margin-bottom:14px;

}

.live-dot-4d{

  width:10px;height:10px;

  background:#22c55e;border-radius:50%;

  box-shadow:0 0 12px #22c55e;

  animation:pulseDot 1.5s infinite;

}

.hero-quote-4d{

  font-size:15px;color:rgba(241, 245, 249, 0.88);

  max-width:720px;margin:0 auto 22px;

  line-height:1.6;font-style:italic;

  text-shadow:0 2px 8px rgba(0,0,0,0.85);

}

.hero-btns-4d{

  display:flex;gap:14px;justify-content:center;flex-wrap:wrap;

  margin-bottom:30px;

}

.btn-4d{

  display:inline-flex;align-items:center;gap:10px;

  padding:12px 28px;border-radius:8px;

  font-size:14px;font-weight:800;text-decoration:none;

  letter-spacing:1px;cursor:pointer;

  transition:all 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);

  text-transform:uppercase;border:none;outline:none;

  position:relative;overflow:hidden;

}

.btn-4d:active{

  transform:scale(0.96) !important;

}

.btn-4d-primary{

  background:linear-gradient(135deg, #ffd700 0%, #aa820a 100%);

  color:#111 !important;

  box-shadow:0 6px 22px rgba(212,175,55,0.5);

  border:1px solid #fff2a8;

}

.btn-4d-primary:hover{

  background:linear-gradient(135deg, #fff2a8 0%, #d4af37 100%);

  transform:translateY(-3px);

  box-shadow:0 10px 30px rgba(255,215,0,0.75);

}

.btn-4d-crimson{

  background:linear-gradient(135deg, #e52b2b 0%, #8b1313 100%);

  color:#fff !important;

  box-shadow:0 6px 22px rgba(229,43,43,0.5);

  border:1px solid #ff9999;

}

.btn-4d-crimson:hover{

  background:linear-gradient(135deg, #ff4d4d 0%, #aa1515 100%);

  transform:translateY(-3px);

  box-shadow:0 10px 30px rgba(229,43,43,0.75);

}

.btn-4d-glass{

  background:rgba(13, 20, 36, 0.75);

  color:var(--gold-bright) !important;

  border:1px solid var(--card-border);

  box-shadow:0 4px 18px rgba(0,0,0,0.45);

  backdrop-filter:blur(8px);

}

.btn-4d-glass:hover{

  background:rgba(212,175,55,0.2);

  border-color:var(--gold-bright);

  transform:translateY(-3px);

  box-shadow:0 8px 25px rgba(212,175,55,0.5);

}

/* === QUICK 4D HUB CARDS === */

.hub-section{

  position:relative;z-index:2;

  max-width:1280px;margin:0 auto 35px;

  padding:0 20px;

}

.hub-grid{

  display:grid;

  grid-template-columns:repeat(auto-fit, minmax(180px, 1fr));

  gap:16px;

}

.hub-card-4d{

  background:var(--card-bg);

  border:1px solid var(--card-border);

  border-radius:10px;

  padding:20px 16px;

  text-align:center;

  text-decoration:none;

  backdrop-filter:blur(16px);

  box-shadow:0 8px 25px rgba(0,0,0,0.4);

  transition:all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);

  display:flex;flex-direction:column;align-items:center;

  cursor:pointer;

  position:relative;overflow:hidden;

}

.hub-card-4d::before{

  content:'';position:absolute;top:0;left:0;right:0;height:3px;

  background:linear-gradient(90deg, transparent, var(--gold-bright), transparent);

  opacity:0;transition:opacity 0.3s;

}

.hub-card-4d:hover{

  transform:translateY(-8px) scale(1.02);

  border-color:var(--gold-bright);

  box-shadow:0 16px 40px rgba(0,0,0,0.6), 0 0 25px rgba(255,215,0,0.35);

  text-decoration:none;

}

.hub-card-4d:hover::before{opacity:1;}

.hub-icon-4d{

  width:52px;height:52px;

  border-radius:50%;

  background:linear-gradient(135deg, rgba(212,175,55,0.3), rgba(158,27,27,0.4));

  border:1px solid var(--gold);

  display:flex;align-items:center;justify-content:center;

  font-size:24px;color:var(--gold-bright);

  margin-bottom:12px;

  transition:transform 0.4s;

}

.hub-card-4d:hover .hub-icon-4d{

  transform:scale(1.15) rotate(10deg);

  box-shadow:0 0 20px rgba(255,215,0,0.6);

}

.hub-title-4d{

  font-family:'Noto Serif TC',serif;

  font-size:15px;font-weight:700;

  color:var(--text-main);margin-bottom:4px;

}

.hub-sub-4d{

  font-size:11px;color:var(--text-dim);

}

/* === MASTER PORTAL SECTION 4D === */

.portal-section{

  position:relative;z-index:2;

  max-width:1280px;margin:0 auto 60px;

  padding:0 20px;

}

.section-header-4d{

  text-align:center;margin-bottom:24px;

}

.section-label-4d{

  font-size:11px;letter-spacing:3px;color:var(--gold);

  text-transform:uppercase;margin-bottom:6px;font-weight:700;

}

.section-title-4d{

  font-family:'Noto Serif TC',serif;

  font-size:28px;font-weight:900;

  color:var(--gold-bright);

  text-shadow:0 0 18px rgba(212,175,55,0.5);

}

.portal-box-4d{

  background:var(--card-bg);

  border:1px solid var(--card-border);

  border-radius:12px;

  overflow:hidden;

  backdrop-filter:blur(22px);

  box-shadow:0 18px 45px rgba(0,0,0,0.4), 0 0 35px rgba(212,175,55,0.28);

}

/* User Status Bar */

.user-bar-4d{

  background:linear-gradient(90deg, rgba(26, 42, 76, 0.96), rgba(20, 32, 58, 0.96));

  border-bottom:1px solid var(--card-border);

  padding:16px 24px;

  display:flex;align-items:center;justify-content:space-between;

  flex-wrap:wrap;gap:14px;

}

.user-bar-left{

  display:flex;align-items:center;gap:14px;

}

.user-avatar-4d{

  width:48px;height:48px;

  border-radius:50%;

  border:2px solid var(--gold);

  background:linear-gradient(135deg, #aa820a, #730e0e);

  display:flex;align-items:center;justify-content:center;

  font-size:22px;color:#fff;

  box-shadow:0 0 14px rgba(212,175,55,0.5);

}

.user-info-text h3{

  font-size:16px;font-weight:800;color:var(--gold-bright);margin-bottom:2px;

}

.user-info-text p{

  font-size:12px;color:var(--text-dim);

}

.user-wallet-4d{

  display:flex;align-items:center;gap:16px;flex-wrap:wrap;

}

.wallet-badge-4d{

  background:rgba(0,0,0,0.45);

  border:1px solid rgba(212,175,55,0.35);

  border-radius:6px;

  padding:6px 14px;

  font-size:13px;

  display:flex;align-items:center;gap:8px;

}

.wallet-val{

  font-weight:800;color:var(--gold-bright);font-size:15px;

}

/* 4D Tabs Nav */

.tabs-nav-4d{

  display:flex;overflow-x:auto;

  background:rgba(18, 28, 54, 0.95);

  border-bottom:1px solid var(--card-border);

  padding:0 12px;gap:6px;

}

.tab-btn-4d{

  padding:14px 18px;

  background:none;border:none;

  color:var(--text-dim);

  font-family:'Be Vietnam Pro',sans-serif;

  font-size:13px;font-weight:700;

  cursor:pointer;display:flex;align-items:center;gap:8px;

  white-space:nowrap;transition:all 0.25s;

  position:relative;

}

.tab-btn-4d:hover{

  color:var(--gold-bright);

}

.tab-btn-4d.active{

  color:var(--gold-bright);

}

.tab-btn-4d.active::after{

  content:'';position:absolute;bottom:0;left:0;right:0;height:3px;

  background:linear-gradient(90deg, var(--gold), var(--gold-bright));

  box-shadow:0 0 12px var(--gold-bright);

}

/* Tab Content */

.tab-content-4d{

  padding:28px 24px;

  min-height:480px;

}

.tab-panel-4d{

  display:none;

}

.tab-panel-4d.active{

  display:block;

  animation:fadeIn 0.3s ease;

}

@keyframes fadeIn{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:translateY(0);}}

.panel-title-4d{

  font-family:'Noto Serif TC',serif;

  font-size:22px;font-weight:800;

  color:var(--gold-bright);

  margin-bottom:6px;

  display:flex;align-items:center;gap:10px;

}

.panel-desc-4d{

  font-size:13px;color:var(--text-dim);margin-bottom:20px;

}

/* 4D Forms & Inputs */

.f-group-4d{

  margin-bottom:16px;

  max-width:540px;

}

.f-group-4d label{

  display:block;font-size:13px;font-weight:700;

  color:var(--gold-light);margin-bottom:6px;

}

.f-group-4d input, .f-group-4d select{

  width:100%;padding:11px 14px;

  background:rgba(8, 13, 24, 0.85);

  border:1px solid rgba(212,175,55,0.3);

  border-radius:6px;

  color:#fff;font-size:14px;

  outline:none;transition:border-color 0.25s, box-shadow 0.25s;

}

.f-group-4d input:focus, .f-group-4d select:focus{

  border-color:var(--gold-bright);

  box-shadow:0 0 14px rgba(255,215,0,0.45);

  background:rgba(13, 20, 36, 0.95);

}

/* 4D Tables */

.table-4d{

  width:100%;border-collapse:collapse;

  margin:18px 0;font-size:13px;

}

.table-4d th{

  background:rgba(18, 28, 48, 0.95);

  color:var(--gold-bright);

  padding:12px 14px;

  border:1px solid rgba(212,175,55,0.3);

  text-align:left;font-weight:700;

}

.table-4d td{

  padding:12px 14px;

  border:1px solid rgba(212,175,55,0.15);

  color:var(--text-main);

  background:rgba(13, 20, 36, 0.65);

}

.table-4d tr:hover td{

  background:rgba(212,175,55,0.12);

}

/* ================================================================

   WEBSHOP - Game RPG Kiếm Hiệp Style (Vàng Kim / Hắc Huyền Bí)

   ================================================================ */

/* --- Banner Webshop --- */

.webshop-banner {

  background: linear-gradient(135deg, rgba(10,8,3,0.96) 0%, rgba(40,20,5,0.96) 50%, rgba(10,8,3,0.96) 100%);

  border: 1px solid var(--gold);

  border-radius: 14px;

  padding: 20px 28px;

  margin-bottom: 24px;

  display: flex;

  align-items: center;

  gap: 20px;

  position: relative;

  overflow: hidden;

}

.webshop-banner::before {

  content: '';

  position: absolute;

  inset: 0;

  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23d4af37' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");

  pointer-events: none;

}

.webshop-banner-icon {

  font-size: 52px;

  color: var(--gold-bright);

  text-shadow: 0 0 30px rgba(255,215,0,0.8);

  flex-shrink: 0;

}

.webshop-banner-info { flex: 1; }

.webshop-banner-title {

  font-size: 26px;

  font-weight: 900;

  color: var(--gold-bright);

  letter-spacing: 3px;

  text-transform: uppercase;

  text-shadow: 0 0 20px rgba(255,215,0,0.5);

  line-height: 1.2;

}

.webshop-banner-sub {

  font-size: 13px;

  color: #a0aec0;

  margin-top: 4px;

  line-height: 1.5;

}

.webshop-banner-badge {

  background: linear-gradient(135deg, #9e1b1b, #d4303030);

  border: 1px solid #d4af37;

  color: var(--gold-bright);

  font-size: 11px;

  font-weight: 700;

  padding: 5px 12px;

  border-radius: 20px;

  text-transform: uppercase;

  letter-spacing: 1px;

  animation: pulseBadge 2s infinite;

}

@keyframes pulseBadge {

  0%,100% { box-shadow: 0 0 8px rgba(255,215,0,0.3); }

  50% { box-shadow: 0 0 20px rgba(255,215,0,0.7); }

}

/* --- Category Filter Tabs --- */

.webshop-cats {

  display: flex;

  flex-wrap: wrap;

  gap: 8px;

  margin-bottom: 18px;

}

.ws-cat-btn {

  background: rgba(13, 20, 36, 0.7);

  border: 1px solid var(--card-border);

  color: #94a3b8;

  padding: 7px 16px;

  border-radius: 25px;

  font-size: 12px;

  font-weight: 600;

  cursor: pointer;

  transition: all 0.25s;

  letter-spacing: 0.5px;

  font-family: inherit;

}

.ws-cat-btn:hover, .ws-cat-btn.active {

  background: linear-gradient(135deg, rgba(158,27,27,0.5), rgba(212,175,55,0.25));

  border-color: var(--gold-bright);

  color: var(--gold-bright);

  box-shadow: 0 0 14px rgba(255,215,0,0.25);

}

.ws-cat-btn .cat-count {

  background: rgba(255,215,0,0.2);

  color: var(--gold-bright);

  font-size: 10px;

  padding: 2px 6px;

  border-radius: 10px;

  margin-left: 4px;

}

/* --- Grid vật phẩm --- */

.shop-4d-grid {

  display: grid;

  grid-template-columns: repeat(auto-fill, minmax(215px, 1fr));

  gap: 18px;

}

/* --- Card vật phẩm RPG --- */

.shop-4d-card {
  background: linear-gradient(165deg, rgba(26, 40, 72, 0.95) 0%, rgba(18, 28, 52, 0.96) 100%);

  border: 1.5px solid rgba(212,175,55,0.48);

  border-radius: 12px;

  padding: 0;

  text-align: center;

  position: relative;

  overflow: hidden;

  transition: all 0.35s cubic-bezier(.175,.885,.32,1.275);

  box-shadow: 0 6px 22px rgba(0,0,0,0.45), inset 0 1px 0 rgba(255,215,0,0.08);

}

.shop-4d-card::before {

  content: '';

  position: absolute;

  top: 0; left: 0; right: 0;

  height: 2px;

  background: linear-gradient(90deg, transparent, var(--gold), transparent);

  opacity: 0.5;

}

.shop-4d-card:hover {

  transform: translateY(-8px) scale(1.02);

  border-color: var(--gold-bright);

  box-shadow: 0 18px 40px rgba(0,0,0,0.55), 0 0 25px rgba(255,215,0,0.3);

}

.shop-4d-card:hover::before { opacity: 1; }

/* Ribbon phẩm cấp */

.item-grade-ribbon {

  position: absolute;

  top: 10px; right: -26px;

  background: linear-gradient(90deg, #7c3aed, #4f46e5);

  color: #fff;

  font-size: 9px;

  font-weight: 700;

  padding: 3px 30px;

  transform: rotate(30deg);

  letter-spacing: 1px;

  box-shadow: 0 2px 8px rgba(0,0,0,0.4);

  text-transform: uppercase;

}

.item-grade-ribbon.rare { background: linear-gradient(90deg, #0ea5e9, #06b6d4); }

.item-grade-ribbon.epic { background: linear-gradient(90deg, #7c3aed, #9333ea); }

.item-grade-ribbon.legend { background: linear-gradient(90deg, #d97706, #f59e0b); }

.item-grade-ribbon.divine { background: linear-gradient(90deg, #9e1b1b, #dc2626); }

/* Phần trên card */

.card-top-ws {

  padding: 20px 16px 12px;

  background: linear-gradient(180deg, rgba(212,175,55,0.08) 0%, transparent 100%);

}

.item-icon-4d {

  width: 66px; height: 66px;

  margin: 0 auto 8px;

  border-radius: 14px;

  background: radial-gradient(circle, rgba(212,175,55,0.22) 0%, rgba(15,23,42,0.85) 100%);

  border: 1.5px solid rgba(212,175,55,0.45);

  display: flex; align-items: center; justify-content: center;

  font-size: 26px; color: var(--gold-bright);

  transition: all 0.3s cubic-bezier(.175,.885,.32,1.275);

  box-shadow: 0 4px 15px rgba(0,0,0,0.5), inset 0 0 10px rgba(212,175,55,0.15);

  position: relative;

  overflow: hidden;

}

.shop-4d-card:hover .item-icon-4d {

  transform: translateY(-2px) scale(1.08);

  box-shadow: 0 8px 25px rgba(255,215,0,0.4), inset 0 0 15px rgba(255,215,0,0.25);

  border-color: var(--gold-bright);

}

.item-real-icon {

  width: 54px;

  height: 54px;

  object-fit: contain;

  filter: drop-shadow(0 3px 6px rgba(0,0,0,0.7));

  transition: transform 0.3s ease;

  user-select: none;

  pointer-events: none;

}

.shop-4d-card:hover .item-real-icon {

  transform: scale(1.12);

  filter: drop-shadow(0 4px 10px rgba(255,215,0,0.5));

}

.item-id-badge {

  display: inline-flex;

  align-items: center;

  gap: 3px;

  font-size: 11px;

  color: #94a3b8;

  background: rgba(0, 0, 0, 0.5);

  border: 1px solid rgba(212, 175, 55, 0.25);

  border-radius: 6px;

  padding: 2px 8px;

  margin-top: 6px;

  font-family: 'Consolas', 'Courier New', monospace;

  letter-spacing: 0.3px;

  transition: all 0.25s ease;

}

.shop-4d-card:hover .item-id-badge {

  border-color: rgba(212, 175, 55, 0.6);

  background: rgba(212, 175, 55, 0.12);

  color: #e2e8f0;

}

.item-id-badge .id-val {

  color: #fbbf24;

  font-weight: 700;

}

.item-title-4d {

  font-size: 13.5px;

  font-weight: 700;

  color: #ffffff; text-shadow: 0 1px 3px rgba(0,0,0,0.8); font-weight: 700;

  line-height: 1.4;

  min-height: 36px;

  display: -webkit-box;

  -webkit-line-clamp: 2;

  -webkit-box-orient: vertical;

  overflow: hidden;

  letter-spacing: 0.3px;

}

/* Phần giá */

.item-price-4d {

  background: linear-gradient(135deg, rgba(158,27,27,0.3), rgba(212,175,55,0.15));

  border-top: 1px solid rgba(212,175,55,0.2);

  border-bottom: 1px solid rgba(212,175,55,0.2);

  padding: 8px 16px;

  font-size: 18px;

  font-weight: 900;

  color: var(--gold-bright);

  text-shadow: 0 0 12px rgba(255,215,0,0.4);

  letter-spacing: 0.5px;

}

/* Phần dưới card: qty + nút mua */

.card-bottom-ws {

  padding: 12px 14px 14px;

}

/* --- Filter Bar --- */

.shop-filter-bar-4d {

  display: flex;

  flex-wrap: wrap;

  gap: 14px;

  margin-bottom: 14px;

  background: rgba(20, 32, 58, 0.75);

  border: 1px solid rgba(212,175,55,0.25);

  border-radius: 10px;

  padding: 14px 18px;

}

.shop-filter-group {

  display: flex; flex-direction: column; gap: 6px; flex: 1; min-width: 160px;

}

.shop-filter-group label {

  font-size: 12px; font-weight: 600; color: #94a3b8; letter-spacing: 0.5px;

}

.shop-filter-group select {

  background: rgba(13,20,36,0.9);

  border: 1px solid rgba(212,175,55,0.4);

  color: #e2e8f0;

  padding: 8px 12px;

  border-radius: 8px;

  font-size: 13px;

  cursor: pointer;

  font-family: inherit;

  transition: border-color 0.2s;

}

.shop-filter-group select:focus { border-color: var(--gold-bright); outline: none; }

/* --- Search Bar (To Bự, Rõ Nét, Chuẩn Font Tiếng Việt) --- */

.shop-search-bar-4d {
  margin: 20px 0 20px 0;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.search-input-wrapper-4d {
  position: relative;
  flex: 1;
  min-width: 280px;
}

.search-icon-4d {
  position: absolute;
  left: 22px;
  top: 50%;
  transform: translateY(-50%);
  color: #ffd700;
  font-size: 22px;
  pointer-events: none;
  z-index: 2;
  filter: drop-shadow(0 0 8px rgba(255, 215, 0, 0.5));
}

#shop-search-input,
#equip-search-input {
  width: 100%;
  min-height: 58px;
  background: rgba(12, 22, 44, 0.95);
  border: 2px solid rgba(212, 175, 55, 0.55);
  border-radius: 35px;
  padding: 14px 54px 14px 62px;
  color: #ffffff;
  font-size: 17px;
  font-weight: 500;
  font-family: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  letter-spacing: 0.3px;
  line-height: 1.5;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-sizing: border-box;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), inset 0 2px 4px rgba(0, 0, 0, 0.3);
}

#equip-search-input {
  border-color: rgba(96, 165, 250, 0.65);
}

#shop-search-input:focus,
#equip-search-input:focus {
  border-color: #ffd700;
  outline: none;
  background: rgba(16, 28, 56, 0.98);
  color: #ffffff;
  box-shadow: 0 0 25px rgba(255, 215, 0, 0.4), 0 8px 30px rgba(0, 0, 0, 0.6);
  transform: translateY(-1px);
}

#equip-search-input:focus {
  border-color: #60a5fa;
  box-shadow: 0 0 25px rgba(96, 165, 250, 0.45), 0 8px 30px rgba(0, 0, 0, 0.6);
}

#shop-search-input::placeholder,
#equip-search-input::placeholder {
  color: #94a3b8;
  font-size: 16px;
  font-weight: 400;
  font-family: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

#shop-search-clear,
#equip-search-clear {
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #cbd5e1;
  cursor: pointer;
  font-size: 16px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

#shop-search-clear:hover,
#equip-search-clear:hover {
  background: rgba(239, 68, 68, 0.3);
  border-color: #ef4444;
  color: #f87171;
  transform: translateY(-50%) scale(1.1);
}

.shop-result-count-4d {
  font-size: 14px;
  font-weight: 600;
  color: #cbd5e1;
  white-space: nowrap;
  background: rgba(15, 23, 42, 0.7);
  padding: 10px 18px;
  border-radius: 25px;
  border: 1px solid rgba(212, 175, 55, 0.3);
  font-family: 'Be Vietnam Pro', sans-serif;
}

@media (max-width: 768px) {
  .shop-search-bar-4d {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  .search-input-wrapper-4d {
    min-width: 100%;
  }
  #shop-search-input,
  #equip-search-input {
    min-height: 52px;
    font-size: 15px;
    padding: 12px 46px 12px 52px;
  }
  .search-icon-4d {
    left: 18px;
    font-size: 18px;
  }
  .shop-result-count-4d {
    text-align: center;
    width: 100%;
  }
}

/* --- Qty Stepper --- */

.item-qty-control-4d {

  display: flex; align-items: center; justify-content: center;

  gap: 6px; margin-bottom: 10px;

}

.qty-label-4d {

  font-size: 11px; color: #64748b; flex-shrink: 0;

}

.qty-stepper-4d {

  display: flex; align-items: center; gap: 0;

  border: 1px solid rgba(212,175,55,0.35);

  border-radius: 8px;

  overflow: hidden;

}

.btn-qty-step {

  background: rgba(212,175,55,0.15);

  border: none;

  color: var(--gold-bright);

  width: 28px; height: 28px;

  font-size: 16px; font-weight: bold;

  cursor: pointer;

  transition: background 0.2s;

  font-family: inherit;

}

.btn-qty-step:hover { background: rgba(212,175,55,0.35); }

.qty-stepper-4d input {

  width: 42px;

  background: rgba(10,8,3,0.7);

  border: none;

  border-left: 1px solid rgba(212,175,55,0.25);

  border-right: 1px solid rgba(212,175,55,0.25);

  color: #e2e8f0;

  text-align: center;

  font-size: 13px;

  font-weight: 700;

  padding: 4px 0;

  font-family: inherit;

}

.qty-stepper-4d input:focus { outline: none; }

.qty-stepper-4d input::-webkit-inner-spin-button,

.qty-stepper-4d input::-webkit-outer-spin-button { -webkit-appearance: none; }

/* --- Empty shop --- */

.empty-shop-4d {

  grid-column: 1 / -1;

  text-align: center;

  padding: 60px 20px;

  color: var(--text-dim);

  font-size: 22px;

}

.empty-shop-4d p { font-size: 14px; margin-top: 12px; }

/* Responsive */

@media (max-width: 600px) {

  .shop-4d-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }

  .webshop-banner { flex-direction: column; text-align: center; gap: 12px; }

  .webshop-cats { justify-content: center; }

}

/* --- Shop Pagination --- */

.shop-pg-wrapper {

  display: flex;

  align-items: center;

  gap: 6px;

  flex-wrap: wrap;

  justify-content: center;

  margin-top: 24px;

  padding: 14px 18px;

  background: rgba(13, 20, 36, 0.7);

  border: 1px solid rgba(212, 175, 55, 0.25);

  border-radius: 12px;

  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);

}

.btn-pg {

  background: rgba(255, 255, 255, 0.05);

  border: 1px solid rgba(212, 175, 55, 0.3);

  color: #cbd5e1;

  padding: 6px 12px;

  border-radius: 6px;

  font-size: 12px;

  font-weight: 600;

  cursor: pointer;

  transition: all 0.2s;

  font-family: inherit;

}

.btn-pg:hover:not(.disabled) {

  background: rgba(212, 175, 55, 0.25);

  border-color: #f1c40f;

  color: #fff;

  transform: translateY(-1px);

}

.btn-pg.active {

  background: linear-gradient(135deg, #9e1b1b, #d4af37);

  border-color: #f1c40f;

  color: #fff;

  box-shadow: 0 0 10px rgba(241, 196, 15, 0.4);

}

.btn-pg.disabled {

  opacity: 0.35;

  cursor: not-allowed;

  pointer-events: none;

}

.empty-shop-4d i {

  font-size: 40px;

  color: var(--gold);

  margin-bottom: 12px;

}

/* Notice 4D Box */

.notice-4d{

  background:rgba(212,175,55,0.12);

  border-left:4px solid var(--gold);

  padding:14px 18px;border-radius:0 6px 6px 0;

  margin-bottom:20px;font-size:13px;

  line-height:1.6;

}

/* Code tags */

.code-tag-4d{

  display:inline-flex;align-items:center;gap:8px;

  background:rgba(212,175,55,0.18);

  border:1px dashed var(--gold);

  border-radius:4px;

  padding:6px 14px;font-size:13px;font-weight:800;

  color:var(--gold-bright);cursor:pointer;

  margin:4px;transition:all 0.2s;

}

.code-tag-4d:hover{

  background:rgba(255,215,0,0.35);

  transform:scale(1.08);

}

/* 8 Môn Phái 4D Interactive System */

.class-grid-4d{

  display:grid;

  grid-template-columns:repeat(4, 1fr);

  gap:14px;

  margin:20px 0 26px;

}

@media(max-width:900px){.class-grid-4d{grid-template-columns:repeat(2,1fr);}}

@media(max-width:480px){.class-grid-4d{grid-template-columns:1fr;}}

.class-card-4d{

  background:rgba(10, 15, 28, 0.85);

  border:1px solid rgba(212,175,55,0.25);

  border-radius:8px;padding:14px 12px;

  cursor:pointer;transition:all 0.3s cubic-bezier(0.2,0.8,0.2,1);

  display:flex;align-items:center;gap:12px;

  position:relative;overflow:hidden;

}

.class-card-4d:hover{

  border-color:var(--gold-bright);

  transform:translateY(-4px);

  box-shadow:0 8px 24px rgba(0,0,0,0.6), 0 0 15px rgba(212,175,55,0.25);

}

.class-card-4d.active{

  border-color:var(--gold-bright);

  background:linear-gradient(135deg, rgba(35,24,10,0.95), rgba(18,25,45,0.95));

  box-shadow:0 0 25px rgba(255,215,0,0.4), inset 0 0 15px rgba(212,175,55,0.15);

}

.class-icon-wrap-4d{

  width:44px;height:44px;border-radius:50%;

  display:flex;align-items:center;justify-content:center;font-size:22px;

  border:2px solid rgba(212,175,55,0.3);background:rgba(0,0,0,0.4);flex-shrink:0;

  transition:all 0.3s;

}

.class-card-4d.active .class-icon-wrap-4d{

  border-color:var(--gold-bright);

  box-shadow:0 0 12px var(--gold-bright);

  transform:scale(1.1);

}

.class-info-4d h4{

  font-size:15px;font-weight:800;color:#fff;margin-bottom:2px;font-family:'Noto Serif TC',serif;

}

.class-card-4d.active .class-info-4d h4{color:var(--gold-bright);}

.class-info-4d p{font-size:11px;color:var(--text-dim);}

/* Detail Panel 4D */

.class-detail-4d{

  background:linear-gradient(135deg, rgba(24,38,68,0.96), rgba(18,28,52,0.98));

  border:1px solid var(--card-border);

  border-radius:10px;

  padding:32px;

  display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:center;

  position:relative;overflow:hidden;

  box-shadow:0 12px 35px rgba(0,0,0,0.6);

}

@media(max-width:860px){.class-detail-4d{grid-template-columns:1fr;padding:24px 18px;gap:24px;}}

.detail-corner-4d{

  position:absolute;font-size:110px;color:rgba(212,175,55,0.04);

  font-family:'Noto Serif TC',serif;font-weight:900;pointer-events:none;user-select:none;

  bottom:-25px;right:15px;line-height:1;

}

.element-badge-4d{

  display:inline-block;padding:5px 16px;border-radius:4px;

  font-size:12px;font-weight:800;letter-spacing:1px;text-transform:uppercase;margin-bottom:12px;

}

.class-name-big-4d{

  font-family:'Noto Serif TC',serif;font-size:clamp(30px,4.5vw,44px);font-weight:900;

  line-height:1.1;margin-bottom:8px;

  color:var(--gold-bright);

  text-shadow:0 0 20px rgba(255,215,0,0.4);

}

.class-slogan-4d{

  font-style:italic;color:var(--gold-light);font-size:14px;margin-bottom:14px;font-family:'Noto Serif TC',serif;

}

.class-lore-4d{

  font-size:14px;color:var(--text-dim);line-height:1.8;margin-bottom:20px;

}

.specs-grid-4d{

  display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:20px;

}

.spec-box-4d{

  background:rgba(0,0,0,0.35);border-left:3px solid var(--gold);padding:8px 12px;border-radius:0 4px 4px 0;

}

.spec-box-4d label{

  font-size:10px;color:var(--gold-light);text-transform:uppercase;letter-spacing:1px;font-weight:700;

}

.spec-box-4d span{

  display:block;font-size:13px;font-weight:700;color:#fff;margin-top:2px;

}

.skill-tags-4d{display:flex;gap:8px;flex-wrap:wrap;}

.skill-tag-4d{

  background:rgba(212,175,55,0.1);border:1px solid rgba(212,175,55,0.3);padding:5px 12px;

  border-radius:4px;font-size:12px;font-weight:700;color:var(--gold-bright);

}

/* Stat Panel 4D */

.stat-panel-4d{

  background:rgba(8,13,24,0.6);border:1px solid rgba(212,175,55,0.25);

  border-radius:8px;padding:22px;position:relative;z-index:2;

}

.stat-panel-4d h4{

  font-family:'Noto Serif TC',serif;font-size:16px;color:var(--gold-bright);

  margin-bottom:16px;letter-spacing:1px;text-align:center;

}

.s-row-4d{margin-bottom:12px;}

.s-row-4d:last-child{margin-bottom:0;}

.s-head-4d{display:flex;justify-content:space-between;font-size:12px;font-weight:700;margin-bottom:5px;}

.s-name-4d{color:#cbd5e1;}

.s-num-4d{color:var(--gold-bright);font-weight:800;}

.s-track-4d{height:8px;background:rgba(255,255,255,0.08);border-radius:4px;overflow:hidden;}

.s-fill-4d{

  height:100%;border-radius:4px;

  background:linear-gradient(90deg, #9e1b1b, #ffd700);

  transition:width 0.6s cubic-bezier(0.2,0.8,0.2,1);

  box-shadow:0 0 10px rgba(255,215,0,0.6);

}

/* Gallery 8 Phi */

.gallery-4d-box{

  border:2px solid var(--card-border);

  border-radius:10px;overflow:hidden;

  box-shadow:0 8px 30px rgba(0,0,0,0.6);

  margin-bottom:18px;

}

.gallery-4d-box img{

  width:100%;height:auto;display:block;

}

/* === MODAL ĐĂNG NHẬP / ĐĂNG KÝ 4D === */

.modal-overlay{

  position:fixed;inset:0;

  background:rgba(0,0,0,0.8);

  backdrop-filter:blur(10px);

  z-index:9999;

  display:none;align-items:center;justify-content:center;

  padding:15px;

}

.modal-overlay.active{

  display:flex;

  animation:modalFade 0.3s ease;

}

@keyframes modalFade{from{opacity:0;}to{opacity:1;}}

.modal-box-4d{

  background:linear-gradient(180deg, #182542 0%, #0f182c 100%);

  border:2px solid var(--gold);

  border-radius:12px;

  width:100%;max-width:440px;

  box-shadow:0 20px 60px rgba(0,0,0,0.85), 0 0 40px rgba(255,215,0,0.4);

  overflow:hidden;position:relative;

}

.modal-header-4d{

  background:linear-gradient(90deg, #1b2844, #111a2e);

  border-bottom:1px solid var(--card-border);

  padding:16px 20px;

  display:flex;align-items:center;justify-content:space-between;

}

.modal-header-4d h3{

  font-family:'Noto Serif TC',serif;

  font-size:18px;font-weight:800;color:var(--gold-bright);

  display:flex;align-items:center;gap:10px;

}

.modal-close-btn{

  background:none;border:none;

  color:var(--text-dim);font-size:22px;

  cursor:pointer;transition:color 0.2s;

}

.modal-close-btn:hover{color:#fff;}

.modal-body-4d{

  padding:22px;

}

/* FOOTER 4D */

footer{

  background:#050810;

  border-top:1px solid var(--card-border);

  color:var(--text-dim);

  padding:35px 20px;

  text-align:center;

  font-size:13px;

  position:relative;z-index:2;

}

footer a{color:var(--gold-bright);}

/* 4D FLOATING BACKGROUND MUSIC (BGM) WIDGET */

.bgm-widget-4d {

  position: fixed;

  bottom: 24px;

  right: 24px;

  z-index: 9999;

  background: rgba(13, 20, 36, 0.94);

  border: 1.5px solid var(--gold);

  border-radius: 40px;

  padding: 8px 16px 8px 10px;

  display: flex;

  align-items: center;

  gap: 12px;

  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.7), 0 0 25px rgba(212, 175, 55, 0.35);

  backdrop-filter: blur(14px);

  user-select: none;

  transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);

}

.bgm-widget-4d:hover {

  border-color: var(--gold-bright);

  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.85), 0 0 35px rgba(255, 215, 0, 0.55);

}

.bgm-left-section {

  display: flex;

  align-items: center;

  gap: 10px;

  cursor: pointer;

}

.bgm-disc-wrap {

  width: 44px;

  height: 44px;

  border-radius: 50%;

  background: radial-gradient(circle, #2d3748 30%, #0f172a 70%);

  border: 2px solid var(--gold);

  display: flex;

  align-items: center;

  justify-content: center;

  position: relative;

  overflow: hidden;

  box-shadow: 0 0 12px rgba(212, 175, 55, 0.45);

}

.bgm-disc-icon {

  font-size: 28px;

  color: var(--gold-bright);

  transition: transform 0.2s;

}

.bgm-playing .bgm-disc-icon {

  animation: spinDisc 4s linear infinite;

}

@keyframes spinDisc {

  0% { transform: rotate(0deg); }

  100% { transform: rotate(360deg); }

}

.bgm-info {

  display: flex;

  flex-direction: column;

  gap: 3px;

}

.bgm-title {

  font-size: 13px;

  font-weight: 800;

  color: var(--gold-bright);

  letter-spacing: 0.5px;

  text-shadow: 0 0 8px rgba(212, 175, 55, 0.5);

  white-space: nowrap;

}

.bgm-status {

  display: flex;

  align-items: center;

  gap: 6px;

  font-size: 11px;

  color: var(--text-dim);

  white-space: nowrap;

}

.bgm-wave {

  display: inline-flex;

  align-items: flex-end;

  gap: 2px;

  height: 12px;

}

.bgm-wave span {

  width: 2px;

  background: #22c55e;

  border-radius: 1px;

  height: 4px;

}

.bgm-playing .bgm-wave span {

  animation: soundWave 1.2s ease-in-out infinite;

}

.bgm-playing .bgm-wave span:nth-child(1) { animation-delay: 0.1s; height: 10px; }

.bgm-playing .bgm-wave span:nth-child(2) { animation-delay: 0.3s; height: 12px; }

.bgm-playing .bgm-wave span:nth-child(3) { animation-delay: 0.2s; height: 8px; }

.bgm-playing .bgm-wave span:nth-child(4) { animation-delay: 0.4s; height: 11px; }

@keyframes soundWave {

  0%, 100% { height: 3px; }

  50% { height: 12px; }

}

.bgm-toggle-btn {

  background: linear-gradient(135deg, rgba(212, 175, 55, 0.3), rgba(158, 27, 27, 0.4));

  border: 1px solid var(--gold);

  color: var(--gold-bright);

  width: 36px;

  height: 36px;

  border-radius: 50%;

  display: flex;

  align-items: center;

  justify-content: center;

  cursor: pointer;

  font-size: 14px;

  transition: all 0.2s;

  box-shadow: 0 0 10px rgba(212, 175, 55, 0.3);

}

.bgm-toggle-btn:hover {

  background: var(--gold);

  color: #000;

  transform: scale(1.1);

  box-shadow: 0 0 16px rgba(255, 215, 0, 0.6);

}

/* Dedicated Volume Stepper [-] [60%] [+] */

.bgm-vol-controls-4d {

  display: flex;

  align-items: center;

  gap: 5px;

  background: rgba(8, 13, 24, 0.7);

  padding: 4px 8px;

  border-radius: 20px;

  border: 1px solid rgba(212, 175, 55, 0.3);

}

.btn-vol-adj {

  width: 26px;

  height: 26px;

  background: rgba(212, 175, 55, 0.15);

  border: 1px solid var(--gold);

  color: var(--gold-bright);

  border-radius: 50%;

  display: flex;

  align-items: center;

  justify-content: center;

  cursor: pointer;

  font-size: 11px;

  font-weight: 800;

  transition: all 0.2s;

}

.btn-vol-adj:hover {

  background: var(--gold);

  color: #000;

  transform: scale(1.15);

  box-shadow: 0 0 10px rgba(255, 215, 0, 0.5);

}

.vol-badge-4d {

  display: flex;

  align-items: center;

  gap: 5px;

  padding: 2px 6px;

  border-radius: 10px;

  font-size: 12px;

  font-weight: 700;

  color: var(--gold-bright);

  cursor: pointer;

  user-select: none;

  transition: all 0.2s;

}

.vol-badge-4d:hover {

  background: rgba(255, 215, 0, 0.15);

}

@media(max-width: 768px) {

  .bgm-widget-4d {

    bottom: 16px;

    right: 16px;

    padding: 6px 12px 6px 8px;

    gap: 8px;

  }

}

  .bgm-volume-wrap {

    display: none;

  }

}

/* SOUND ACTIVATION BANNER (FOR STRICT AUTOPLAY BROWSERS) */

.sound-prompt-4d {

  position: fixed;

  top: 18px;

  left: 50%;

  transform: translateX(-50%);

  z-index: 100000;

  background: linear-gradient(135deg, rgba(20, 28, 48, 0.98), rgba(10, 15, 28, 0.98));

  border: 1.5px solid var(--gold-bright);

  border-radius: 30px;

  padding: 10px 24px;

  display: flex;

  align-items: center;

  gap: 12px;

  box-shadow: 0 10px 35px rgba(0, 0, 0, 0.8), 0 0 25px rgba(255, 215, 0, 0.5);

  cursor: pointer;

  animation: promptPulse 2s infinite alternate;

  transition: all 0.4s ease;

}

@keyframes promptPulse {

  0% { transform: translateX(-50%) scale(1); box-shadow: 0 0 15px rgba(212, 175, 55, 0.4); }

  100% { transform: translateX(-50%) scale(1.03); box-shadow: 0 0 30px rgba(255, 215, 0, 0.8); }

}

.sound-prompt-4d.hidden {

  opacity: 0;

  pointer-events: none;

  transform: translateX(-50%) translateY(-20px);

}

.sound-prompt-icon {

  font-size: 20px;

  color: var(--gold-bright);

}

.sound-prompt-text {

  font-size: 13px;

  font-weight: 700;

  color: #fff;

  letter-spacing: 0.5px;

}

.sound-prompt-badge {

  background: var(--gold);

  color: #000;

  font-size: 11px;

  font-weight: 800;

  padding: 3px 8px;

  border-radius: 12px;

  text-transform: uppercase;

}

/* --- PURE POINTS DONATE STYLES --- */

.donate-user-card-4d {

  background: linear-gradient(135deg, rgba(20,15,5,0.95) 0%, rgba(10,8,3,0.92) 100%);

  border: 1px solid rgba(212,175,55,0.4);

  border-radius: 14px;

  padding: 22px 24px;

  margin-bottom: 22px;

  box-shadow: 0 8px 30px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,215,0,0.15);

  position: relative;

  overflow: hidden;

}

.donate-user-card-4d::before {

  content: '';

  position: absolute;

  top: 0; left: 0; right: 0;

  height: 2px;

  background: linear-gradient(90deg, transparent, var(--gold-bright), transparent);

}

.donate-user-main {

  display: flex;

  align-items: center;

  gap: 20px;

  margin-bottom: 18px;

  flex-wrap: wrap;

}

.donate-badge-glow {

  min-width: 80px; height: 72px; padding: 0 16px;

  border-radius: 36px;

  display: flex; align-items: center; justify-content: center;

  font-size: 16px; font-weight: 900;

  color: #fff;

  letter-spacing: 1px;

  background: radial-gradient(circle, #f59e0b 0%, #b45309 60%, #78350f 100%);

  border: 2px solid #ffd700;

  box-shadow: 0 0 20px rgba(245,158,11,0.5), inset 0 0 10px rgba(255,255,255,0.4);

  text-shadow: 0 2px 4px rgba(0,0,0,0.8);

  flex-shrink: 0;

}

.donate-badge-glow.lv-none {

  background: radial-gradient(circle, #64748b 0%, #334155 100%);

  border-color: #94a3b8;

  box-shadow: 0 0 15px rgba(100,116,139,0.3);

}

.donate-badge-glow.lv-top {

  background: radial-gradient(circle, #ef4444 0%, #991b1b 60%, #450a0a 100%);

  border-color: #ffd700;

  box-shadow: 0 0 25px rgba(239,68,68,0.7), inset 0 0 12px rgba(255,215,0,0.6);

  animation: vipPulse 2s infinite ease-in-out;

}

@keyframes vipPulse {

  0%, 100% { transform: scale(1); box-shadow: 0 0 20px rgba(239,68,68,0.6); }

  50% { transform: scale(1.05); box-shadow: 0 0 32px rgba(255,215,0,0.8); }

}

.donate-user-meta { flex: 1; min-width: 220px; }

.donate-user-title { font-size: 14px; color: #94a3b8; margin-bottom: 4px; }

.donate-amount-highlight {

  font-size: 26px; font-weight: 900;

  color: var(--gold-bright);

  text-shadow: 0 0 15px rgba(255,215,0,0.4);

  letter-spacing: 0.5px;

}

.donate-amount-highlight .donate-num { font-size: 30px; font-family: 'Consolas', monospace; }

.donate-next-info { font-size: 13px; color: #cbd5e1; margin-top: 6px; }

/* Progress bar */

.donate-progress-wrapper { margin: 16px 0 20px; }

.donate-progress-label {

  display: flex; justify-content: space-between;

  font-size: 12px; color: #94a3b8; margin-bottom: 6px;

}

.donate-progress-track {

  height: 14px;

  background: rgba(0,0,0,0.6);

  border: 1px solid rgba(212,175,55,0.35);

  border-radius: 10px;

  overflow: hidden;

  box-shadow: inset 0 2px 4px rgba(0,0,0,0.6);

}

.donate-progress-fill {

  height: 100%;

  background: linear-gradient(90deg, #d97706, #fbbf24, #f59e0b);

  border-radius: 10px;

  box-shadow: 0 0 12px rgba(251,191,36,0.6);

  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);

}

/* Controls */

.donate-claim-controls {

  display: flex; gap: 14px; flex-wrap: wrap;

  padding-top: 16px; border-top: 1px solid rgba(212,175,55,0.2);

}

.donate-ctrl-group { flex: 1; min-width: 180px; display: flex; flex-direction: column; gap: 6px; }

.donate-ctrl-group label { font-size: 12px; font-weight: 600; color: #cbd5e1; }

.donate-ctrl-group select {

  background: rgba(13,20,36,0.9);

  border: 1px solid rgba(212,175,55,0.4);

  color: #fff; padding: 9px 12px; border-radius: 8px; font-size: 13px;

}

/* Milestones Grid */

.donate-milestones-grid {

  display: grid;

  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));

  gap: 20px;

}

.milestone-card-4d {

  background: linear-gradient(165deg, rgba(13,18,30,0.94) 0%, rgba(7,10,18,0.92) 100%);

  border: 1px solid rgba(212,175,55,0.28);

  border-radius: 14px;

  padding: 22px 18px 18px;

  position: relative;

  overflow: hidden;

  display: flex; flex-direction: column; justify-content: space-between;

  box-shadow: 0 6px 20px rgba(0,0,0,0.45);

  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

}

.milestone-card-4d:hover {

  transform: translateY(-5px);

  border-color: var(--gold-bright);

  box-shadow: 0 12px 30px rgba(0,0,0,0.6), 0 0 20px rgba(212,175,55,0.25);

}

.milestone-card-4d.card-ready {

  border-color: var(--gold-bright);

  box-shadow: 0 0 25px rgba(255,215,0,0.35);

}

.milestone-card-4d.card-claimed {

  opacity: 0.85;

  border-color: rgba(34,197,94,0.4);

}

.m-badge-ribbon {

  position: absolute;

  top: 12px; right: -28px;

  font-size: 10px; font-weight: 800;

  color: #fff;

  padding: 4px 34px;

  transform: rotate(35deg);

  letter-spacing: 1px;

  text-transform: uppercase;

  box-shadow: 0 2px 8px rgba(0,0,0,0.4);

}

.m-badge-ribbon.bac-1 { background: linear-gradient(90deg, #0284c7, #0ea5e9); }

.m-badge-ribbon.bac-2 { background: linear-gradient(90deg, #10b981, #059669); }

.m-badge-ribbon.bac-3 { background: linear-gradient(90deg, #8b5cf6, #7c3aed); }

.m-badge-ribbon.bac-4 { background: linear-gradient(90deg, #ec4899, #db2777); }

.m-badge-ribbon.bac-5 { background: linear-gradient(90deg, #f59e0b, #d97706); }

.m-badge-ribbon.bac-6 { background: linear-gradient(90deg, #ea580c, #c2410c); }

.m-badge-ribbon.bac-7 { background: linear-gradient(90deg, #ef4444, #991b1b); }

.m-title {

  font-size: 16px; font-weight: 800; color: #fff;

  margin-bottom: 6px; padding-right: 50px;

}

.m-req-amount {

  font-size: 14px; color: var(--gold-bright);

  margin-bottom: 16px;

}

.m-req-amount strong { font-size: 17px; }

.m-items-row {

  display: flex; gap: 10px; justify-content: flex-start;

  margin-bottom: 12px; flex-wrap: wrap;

}

.m-item-tile {

  display: flex; flex-direction: column; align-items: center;

  width: 72px; text-align: center;

}

.m-item-icon-box {

  width: 58px; height: 58px;

  border-radius: 12px;

  background: radial-gradient(circle, rgba(212,175,55,0.2) 0%, rgba(15,23,42,0.85) 100%);

  border: 1.5px solid rgba(212,175,55,0.4);

  display: flex; align-items: center; justify-content: center;

  position: relative;

  box-shadow: 0 4px 10px rgba(0,0,0,0.5);

  margin-bottom: 4px;

}

.m-item-icon-box .item-real-icon { width: 46px; height: 46px; object-fit: contain; }

.m-item-qty {

  position: absolute; bottom: 2px; right: 4px;

  font-size: 10px; font-weight: 800; color: #ffd700;

  background: rgba(0,0,0,0.75); padding: 1px 4px; border-radius: 4px;

}

.m-item-name {

  font-size: 10.5px; color: #cbd5e1; line-height: 1.2;

  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;

  overflow: hidden;

}

.m-knb-badge {

  background: linear-gradient(90deg, rgba(212,175,55,0.18), rgba(158,27,27,0.25));

  border: 1px solid rgba(212,175,55,0.35);

  border-radius: 6px;

  padding: 6px 12px;

  font-size: 12.5px; color: #ffd700;

  margin-bottom: 10px;

  display: inline-flex; align-items: center; gap: 6px;

}

.m-desc-text {

  font-size: 12px; color: #94a3b8; line-height: 1.5; margin-bottom: 16px;

}

.btn-claimed {

  background: rgba(34,197,94,0.2); border: 1px solid rgba(34,197,94,0.5);

  color: #22c55e; width: 100%; justify-content: center; cursor: default;

  padding: 10px; font-size: 13px; font-weight: 700; border-radius: 8px;

}

.btn-can-claim {

  background: linear-gradient(135deg, #f59e0b, #d97706);

  border: 1px solid #ffd700; color: #000;

  font-weight: 800; width: 100%; justify-content: center;

  padding: 10px; font-size: 13px; border-radius: 8px; cursor: pointer;

  box-shadow: 0 0 18px rgba(245,158,11,0.6);

  animation: pulseClaimBtn 1.8s infinite;

}

@keyframes pulseClaimBtn {

  0%, 100% { transform: scale(1); box-shadow: 0 0 15px rgba(245,158,11,0.5); }

  50% { transform: scale(1.02); box-shadow: 0 0 25px rgba(255,215,0,0.85); }

}

.btn-disabled {

  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);

  color: #64748b; width: 100%; justify-content: center; cursor: not-allowed;

  padding: 10px; font-size: 12px; border-radius: 8px;

}

/* WebShop Subtab Switcher */
.webshop-subtab-bar {
  display: flex;
  gap: 12px;
  margin: 16px 0 22px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding-bottom: 16px;
}
.webshop-subtab-bar .btn-4d {
  flex: 1;
  justify-content: center;
  font-size: 14px;
  padding: 12px 18px;
  cursor: pointer;
  transition: all 0.25s ease;
}

/* =======================================================
   MOBILE-FIRST ENHANCEMENTS & APP-LIKE UI V3.0
   ======================================================= */

/* 1. THANH ĐIỀU HƯỚNG CỐ ĐỊNH ĐÁY MÀN HÌNH (BOTTOM NAV BAR) */
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: rgba(10, 15, 29, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid rgba(212, 175, 55, 0.35);
  box-shadow: 0 -8px 25px rgba(0, 0, 0, 0.7);
  z-index: 9999;
  justify-content: space-around;
  align-items: center;
  padding: 0 4px calc(env(safe-area-inset-bottom, 0px) + 2px);
}

.mobile-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #94a3b8;
  text-decoration: none;
  font-size: 11px;
  font-weight: 600;
  padding: 6px 2px;
  border-radius: 8px;
  transition: all 0.25s ease;
  background: transparent;
  border: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.mobile-nav-item i {
  font-size: 19px;
  margin-bottom: 3px;
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), color 0.2s ease;
}

.mobile-nav-item.active,
.mobile-nav-item:active {
  color: var(--gold-bright, #ffd700);
}

.mobile-nav-item.active i {
  transform: translateY(-2px) scale(1.15);
  color: var(--gold-bright, #ffd700);
  filter: drop-shadow(0 0 8px rgba(255, 215, 0, 0.6));
}

.mobile-nav-item span {
  letter-spacing: 0.2px;
  white-space: nowrap;
}

/* 2. RESPONSIVE MOBILE TỐI ƯU CỰC MẠNH CHO MÀN HÌNH NHỎ (<= 768px) */
@media (max-width: 768px) {
  body {
    padding-bottom: 74px !important; /* Tránh bị che bởi Bottom Nav */
  }

  .mobile-bottom-nav {
    display: flex !important;
  }

  /* Ẩn bớt thanh điều hướng header trên cùng rườm rà trên Mobile */
  header nav ul {
    display: none !important;
  }

  /* Thanh Tabs trượt ngang mượt mà kiểu ngón tay vuốt (Horizontal Swiper) */
  .tabs-nav-4d {
    display: flex !important;
    overflow-x: auto !important;
    overflow-y: hidden !important;
    flex-wrap: nowrap !important;
    scroll-snap-type: x proximity;
    -webkit-overflow-scrolling: touch;
    gap: 8px !important;
    padding: 8px 10px 14px 10px !important;
    margin-bottom: 12px !important;
    scrollbar-width: none; /* Ẩn thanh cuộn xấu */
  }
  .tabs-nav-4d::-webkit-scrollbar {
    display: none;
  }
  .tab-btn-4d {
    flex: 0 0 auto !important;
    white-space: nowrap !important;
    padding: 8px 16px !important;
    font-size: 13px !important;
    border-radius: 20px !important;
    scroll-snap-align: start;
  }

  /* Sub-tab Bar WebShop trượt ngang */
  .webshop-subtab-bar {
    display: flex !important;
    overflow-x: auto !important;
    flex-wrap: nowrap !important;
    gap: 8px !important;
    padding-bottom: 8px !important;
    scrollbar-width: none;
  }
  .webshop-subtab-bar::-webkit-scrollbar {
    display: none;
  }
  .subtab-btn {
    flex: 1 0 auto !important;
    padding: 9px 16px !important;
    font-size: 13px !important;
    white-space: nowrap !important;
  }

  /* Bộ lọc danh mục WebShop cuộn ngang */
  .shop-categories-wrap, .shop-filter-bar-4d, .shop-cat-list {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .shop-categories-wrap::-webkit-scrollbar, .shop-cat-list::-webkit-scrollbar {
    display: none;
  }

  /* 3. LƯỚI SẢN PHẨM WEBSHOP CHUẨN 2 CỘT CHO NGÓN TAY CHẠM */
  .shop-grid, .shop-items-grid, .shop-grid-4d, #shop-item-list, #equip-item-list {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
    padding: 4px !important;
  }

  /* Card vật phẩm Mobile xịn */
  .shop-card, .shop-item-card, .shop-card-4d {
    padding: 10px 8px !important;
    border-radius: 12px !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: space-between !important;
    background: rgba(22, 34, 62, 0.85) !important;
    border: 1px solid rgba(212, 175, 55, 0.3) !important;
    transition: transform 0.15s ease !important;
  }

  .shop-card:active, .shop-item-card:active {
    transform: scale(0.97) !important;
  }

  /* Tối ưu ảnh icon vật phẩm */
  .shop-card .item-icon, .shop-item-card .item-icon, .shop-card-img {
    width: 58px !important;
    height: 58px !important;
    margin: 0 auto 6px auto !important;
  }

  /* Tên vật phẩm gọn gàng, hiển thị 2 dòng */
  .shop-card .item-name, .shop-item-card .item-name, .item-title {
    font-size: 12.5px !important;
    line-height: 1.3 !important;
    height: 32px !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    display: -webkit-box !important;
    -webkit-line-clamp: 2 !important;
    -webkit-box-orient: vertical !important;
    text-align: center !important;
    margin-bottom: 6px !important;
  }

  /* Nút Mua trên Mobile to vừa vặn ngón cái */
  .shop-card .btn-buy, .shop-item-card .btn-buy, .btn-buy-item {
    width: 100% !important;
    padding: 8px 4px !important;
    font-size: 12px !important;
    font-weight: 700 !important;
    border-radius: 8px !important;
    min-height: 38px !important;
  }

  /* User Bar trên Mobile */
  .user-bar-4d {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 12px !important;
    padding: 14px 12px !important;
  }
  .user-bar-left {
    justify-content: center !important;
    text-align: center !important;
  }
  .user-wallet-4d {
    justify-content: center !important;
    flex-wrap: wrap !important;
    gap: 8px !important;
  }

  /* Hero Section gọn hơn trên Mobile */
  .hero-4d {
    padding: 16px 12px 10px 12px !important;
  }
  .hero-artwork-frame-4d {
    max-height: 220px !important;
  }
  .hero-quote-4d {
    font-size: 12.5px !important;
    margin: 10px 0 !important;
  }
  .hero-btns-4d {
    flex-direction: column !important;
    gap: 8px !important;
    width: 100% !important;
  }
  .hero-btns-4d a {
    width: 100% !important;
    justify-content: center !important;
    padding: 10px 16px !important;
  }
}

/* ==========================================
   WEBSHOP ẢO HÓA — thành phần mới
   ========================================== */
.ws-sl-badge {
  font-size: 11px;
  font-weight: 700;
  color: #c084fc;
  background: rgba(168, 85, 247, 0.14);
  border: 1px solid rgba(168, 85, 247, 0.4);
  border-radius: 6px;
  padding: 2px 7px;
  margin: 4px auto 0;
  display: inline-block;
  font-family: monospace;
  letter-spacing: 0.3px;
}

.ws-color-badge {
  font-size: 10px;
  font-weight: 700;
  border: 1px solid rgba(148, 163, 184, 0.4);
  border-radius: 5px;
  padding: 1px 7px;
  margin: 4px auto 0;
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.shop-remember-bar {
  margin: 10px 0 4px;
  padding: 9px 14px;
  border-radius: 8px;
  font-size: 12.5px;
  color: #cbd5e1;
  background: linear-gradient(90deg, rgba(34, 197, 94, 0.12) 0%, rgba(15, 23, 42, 0.6) 100%);
  border: 1px solid rgba(34, 197, 94, 0.32);
  border-left: 3px solid #22c55e;
  line-height: 1.6;
}

.shop-remember-bar i {
  color: #22c55e;
  margin-right: 4px;
}

@media (max-width: 640px) {
  .shop-remember-bar { font-size: 11.5px; padding: 8px 10px; }
  .ws-sl-badge, .ws-color-badge { font-size: 10px; padding: 1px 5px; }
}