:root {
      --blue-primary: #0a4fa3;
      --blue-light: #1e7ee8;
      --blue-pale: #d6e8ff;
      --blue-ice: #eaf3ff;
      --blue-glow: #4db8ff;
      --gold: #ffd54f;
      --gold-dark: #f9a825;
      --orange: #ff6d00;
      --red: #e53935;
      --white: #ffffff;
      --dark: #04142b;
      --glass: rgba(10, 79, 163, 0.18);
      --glass-border: rgba(77, 184, 255, 0.35);
    }

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

    html { scroll-behavior: smooth; }

    body {
      font-family: 'Exo 2', sans-serif;
      background: #04142b;
      color: #cde4ff;
      overflow-x: hidden;
      cursor: default;
    }

    /* ============ BACKGROUND ============ */
    .bg-layer {
      position: fixed; inset: 0; z-index: 0;
      background: url('../img/v0.jpeg') center/cover no-repeat;
    }
    .bg-overlay {
      position: fixed; inset: 0; z-index: 1;
      background: linear-gradient(160deg,
        rgba(4,20,43,0.82) 0%,
        rgba(10,79,163,0.45) 40%,
        rgba(4,20,43,0.88) 100%);
    }
    .bg-stars {
      position: fixed; inset: 0; z-index: 2;
      background-image:
        radial-gradient(1px 1px at 20% 30%, rgba(255,255,255,0.6) 0%, transparent 100%),
        radial-gradient(1px 1px at 80% 10%, rgba(255,255,255,0.5) 0%, transparent 100%),
        radial-gradient(1px 1px at 50% 70%, rgba(255,255,255,0.4) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 10% 80%, rgba(77,184,255,0.7) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 90% 60%, rgba(77,184,255,0.6) 0%, transparent 100%);
      pointer-events: none;
    }

    /* ============ WRAPPER ============ */
    .wrap { position: relative; z-index: 3; }

    /* ============ HEADER ============ */
    header {
      position: sticky; top: 0; z-index: 100;
      background: linear-gradient(90deg, rgba(4,20,43,0.97) 0%, rgba(10,79,163,0.85) 50%, rgba(4,20,43,0.97) 100%);
      border-bottom: 1.5px solid var(--glass-border);
      backdrop-filter: blur(18px);
      box-shadow: 0 4px 32px rgba(30,126,232,0.25);
    }
    .header-inner {
      max-width: 1200px; margin: 0 auto;
      padding: 0 20px;
      display: flex; align-items: center; justify-content: space-between;
      height: 64px; gap: 16px;
    }
    .logo-area {
      display: flex; align-items: center; gap: 10px; text-decoration: none;
    }
    .logo-area img {
      width: 44px; height: 44px; border-radius: 50%;
      border: 2px solid var(--gold);
      box-shadow: 0 0 12px rgba(255,213,79,0.5);
      object-fit: cover;
    }
    .logo-text {
      font-family: 'Orbitron', sans-serif;
      font-weight: 900; font-size: 1.1rem;
      color: var(--gold);
      text-shadow: 0 0 12px rgba(255,213,79,0.6);
      letter-spacing: 1px;
      line-height: 1.2;
    }
    .logo-sub { font-size: 0.6rem; color: var(--blue-glow); letter-spacing: 3px; text-transform: uppercase; }

    /* NAV */
    nav { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
    .nav-btn {
      position: relative;
      background: transparent; border: none;
      color: #cde4ff; font-family: 'Exo 2', sans-serif;
      font-weight: 600; font-size: 0.85rem;
      padding: 7px 14px; border-radius: 6px;
      cursor: pointer; transition: all .2s;
      letter-spacing: .5px;
      white-space: nowrap;
    }
    .nav-btn:hover, .nav-btn.active {
      background: var(--glass);
      color: var(--gold);
      box-shadow: 0 0 14px rgba(77,184,255,0.25);
    }
    .nav-btn .badge {
      background: var(--red);
      color: #fff; font-size: 0.6rem;
      border-radius: 8px; padding: 1px 5px;
      position: absolute; top: 2px; right: 2px;
    }

    /* Dropdown wrapper */
    .nav-drop { position: relative; }
    .dropdown {
      position: absolute; top: calc(100% + 8px); left: 50%; transform: translateX(-50%);
      background: linear-gradient(135deg, rgba(4,20,43,0.98), rgba(10,79,163,0.9));
      border: 1px solid var(--glass-border);
      border-radius: 12px;
      padding: 10px;
      min-width: 220px;
      box-shadow: 0 16px 48px rgba(0,0,0,0.5), 0 0 30px rgba(30,126,232,0.2);
      backdrop-filter: blur(20px);
      opacity: 0; visibility: hidden; pointer-events: none;
      transform: translateX(-50%) translateY(-8px);
      transition: all .25s cubic-bezier(.4,0,.2,1);
      z-index: 200;
    }
    .dropdown.open {
      opacity: 1; visibility: visible; pointer-events: auto;
      transform: translateX(-50%) translateY(0);
    }

    /* Download dropdown */
    .dl-btns { display: flex; flex-direction: column; gap: 8px; }
    .dl-btn {
      display: flex; align-items: center; gap: 10px;
      padding: 12px 16px; border-radius: 8px;
      cursor: pointer; text-decoration: none;
      border: 1px solid transparent;
      transition: all .2s; font-weight: 600;
      font-family: 'Exo 2', sans-serif; font-size: 0.9rem;
    }
    
    .dl-btn.apk {
      background: linear-gradient(135deg, #1b5e20, #2e7d32);
      color: #a5d6a7; border-color: #43a047;
    }
    .dl-btn.apk:hover { background: linear-gradient(135deg, #2e7d32, #43a047); color: #fff; box-shadow: 0 4px 16px rgba(67,160,71,0.4); }
    .dl-btn.pc {
      background: linear-gradient(135deg, #01579b, #0277bd);
      color: #81d4fa; border-color: #0288d1;
    }
    .dl-btn.pc:hover { background: linear-gradient(135deg, #0277bd, #039be5); color: #fff; box-shadow: 0 4px 16px rgba(2,136,209,0.4); }
    .dl-btn.ios {
      background: linear-gradient(135deg, #37474f, #455a64);
      color: #b0bec5; border-color: #607d8b;
    }
    .dl-btn.ios:hover { background: linear-gradient(135deg, #455a64, #546e7a); color: #fff; box-shadow: 0 4px 16px rgba(96,125,139,0.3); }
    .dl-btn-icon { font-size: 1.4rem; }
    .dl-btn-info strong { display: block; }
    .dl-btn-info small { opacity: 0.7; font-size: 0.72rem; font-weight: 400; }

    /* Login dropdown */
    .login-grid {
      display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
    }
    .login-grid .full { grid-column: 1/-1; }
    .auth-btn {
      display: flex; align-items: center; justify-content: center; gap: 6px;
      padding: 10px 12px; border-radius: 8px;
      cursor: pointer; border: none; font-family: 'Exo 2', sans-serif;
      font-weight: 600; font-size: 0.82rem;
      transition: all .2s; text-align: center;
    }
    .auth-btn.login { background: linear-gradient(135deg, #0a4fa3, #1e7ee8); color: #fff; }
    .auth-btn.login:hover { box-shadow: 0 4px 16px rgba(30,126,232,0.5); transform: translateY(-1px); }
    .auth-btn.register { background: linear-gradient(135deg, #e65100, #ff6d00); color: #fff; }
    .auth-btn.register:hover { box-shadow: 0 4px 16px rgba(255,109,0,0.5); transform: translateY(-1px); }
    .auth-btn.change-pw { background: rgba(255,213,79,0.15); color: var(--gold); border: 1px solid rgba(255,213,79,0.3); }
    .auth-btn.change-pw:hover { background: rgba(255,213,79,0.25); }
    .auth-btn.forgot-pw { background: rgba(255,255,255,0.07); color: #90caf9; border: 1px solid rgba(144,202,249,0.2); }
    .auth-btn.forgot-pw:hover { background: rgba(144,202,249,0.12); }

    /* Social */
    .social-links { display: flex; align-items: center; gap: 8px; }
    .soc-btn {
      display: flex; align-items: center; gap: 5px;
      padding: 5px 10px; border-radius: 20px;
      text-decoration: none; font-size: 0.78rem; font-weight: 600;
      border: 1px solid; transition: all .2s;
      white-space: nowrap;
    }
    .soc-btn.zalo { color: #0068ff; border-color: #0068ff; background: rgba(0,104,255,0.08); }
    .soc-btn.zalo:hover { background: rgba(0,104,255,0.2); box-shadow: 0 0 10px rgba(0,104,255,0.3); }
    .soc-btn.fb { color: #1877f2; border-color: #1877f2; background: rgba(24,119,242,0.08); }
    .soc-btn.fb:hover { background: rgba(24,119,242,0.2); box-shadow: 0 0 10px rgba(24,119,242,0.3); }

    /* ============ HERO ============ */
    .hero {
      min-height: 100vh;
      display: flex; flex-direction: column;
      align-items: center; justify-content: center;
      padding: 80px 20px 60px;
      text-align: center;
    }

    /* ORBIT */
    .orbit-wrap {
      position: relative; width: 300px; height: 300px;
      margin: 0 auto 40px;
    }
    .orbit-ring {
      position: absolute; inset: 0;
      border-radius: 50%;
      border: 1.5px dashed rgba(77,184,255,0.25);
      animation: orbit-spin 18s linear infinite;
    }
    @keyframes orbit-spin { to { transform: rotate(360deg); } }

    .center-gif {
      position: absolute;
      top: 50%; left: 50%;
      transform: translate(-50%,-50%);
      width: 110px; height: 110px;
      border-radius: 50%;
      border: 3px solid var(--gold);
      box-shadow:
        0 0 20px rgba(255,213,79,0.5),
        0 0 50px rgba(255,109,0,0.25),
        inset 0 0 20px rgba(255,213,79,0.1);
      object-fit: cover; z-index: 10;
      animation: pulse-glow 3s ease-in-out infinite;
    }
    @keyframes pulse-glow {
      0%,100% { box-shadow: 0 0 20px rgba(255,213,79,0.5), 0 0 50px rgba(255,109,0,0.25); }
      50% { box-shadow: 0 0 35px rgba(255,213,79,0.8), 0 0 80px rgba(255,109,0,0.45); }
    }

    .orbit-icon {
      position: absolute;
      width: 52px; height: 52px;
      border-radius: 50%;
      border: 2px solid rgba(255,213,79,0.5);
      box-shadow: 0 0 14px rgba(77,184,255,0.4);
      object-fit: cover;
      background: #04142b;
      transform-origin: 150px 150px;
      animation: orbit-spin 18s linear infinite;
    }
    /* Position each icon around 360° / 7 ≈ 51.4° apart */
    .orbit-icon:nth-child(2)  { transform: rotate(0deg)   translate(124px) rotate(0deg);   animation-delay: 0s; }
    .orbit-icon:nth-child(3)  { transform: rotate(51deg)  translate(124px) rotate(-51deg);  animation-delay: 0s; }
    .orbit-icon:nth-child(4)  { transform: rotate(103deg) translate(124px) rotate(-103deg); animation-delay: 0s; }
    .orbit-icon:nth-child(5)  { transform: rotate(154deg) translate(124px) rotate(-154deg); animation-delay: 0s; }
    .orbit-icon:nth-child(6)  { transform: rotate(206deg) translate(124px) rotate(-206deg); animation-delay: 0s; }
    .orbit-icon:nth-child(7)  { transform: rotate(257deg) translate(124px) rotate(-257deg); animation-delay: 0s; }
    .orbit-icon:nth-child(8)  { transform: rotate(309deg) translate(124px) rotate(-309deg); animation-delay: 0s; }

    /* Counter-rotate icons so they stay upright */
    .orbit-wrap { animation: none; }

    /* Hero Text */
    .hero-tag {
      display: inline-block;
      font-size: 0.75rem; font-weight: 700; letter-spacing: 4px;
      text-transform: uppercase; color: var(--gold);
      background: rgba(255,213,79,0.1);
      border: 1px solid rgba(255,213,79,0.3);
      padding: 4px 14px; border-radius: 20px;
      margin-bottom: 16px;
      animation: fadeInUp .6s .1s both;
    }
    .hero-title {
      font-family: 'Orbitron', sans-serif;
      font-size: clamp(2rem, 7vw, 4rem);
      font-weight: 900;
      background: linear-gradient(135deg, #ffd54f 0%, #ff6d00 50%, #1e7ee8 100%);
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
      background-clip: text;
      line-height: 1.15; margin-bottom: 10px;
      text-shadow: none;
      animation: fadeInUp .6s .2s both;
    }
    .hero-subtitle {
      font-size: clamp(1rem, 3vw, 1.5rem);
      color: #90caf9; margin-bottom: 16px;
      animation: fadeInUp .6s .3s both;
    }
    .hero-desc {
      max-width: 560px; margin: 0 auto 32px;
      font-size: 0.92rem; color: #b0c8e8; line-height: 1.8;
      animation: fadeInUp .6s .4s both;
    }
    .hero-cta-row {
      display: flex; gap: 14px; flex-wrap: wrap;
      justify-content: center;
      animation: fadeInUp .6s .5s both;
    }
    .hero-cta-break { flex-basis: 100%; height: 0; }
    .cta-primary {
      padding: 14px 36px; border-radius: 50px;
      background: linear-gradient(135deg, #ff6d00, #ffd54f);
      color: #04142b; font-family: 'Orbitron', sans-serif;
      font-weight: 800; font-size: 0.9rem;
      border: none; cursor: pointer;
      box-shadow: 0 8px 30px rgba(255,109,0,0.45);
      transition: all .25s; letter-spacing: 1px;
      text-transform: uppercase;
    }
    .cta-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(255,109,0,0.6); }
    .cta-secondary {
      padding: 14px 36px; border-radius: 50px;
      background: transparent;
      color: var(--blue-glow); font-family: 'Orbitron', sans-serif;
      font-weight: 700; font-size: 0.9rem;
      border: 2px solid var(--blue-glow);
      cursor: pointer;
      box-shadow: 0 0 20px rgba(77,184,255,0.2);
      transition: all .25s; letter-spacing: 1px;
      text-transform: uppercase;
    }
    .cta-secondary:hover { background: rgba(77,184,255,0.12); transform: translateY(-3px); }
    .social-cta {
      position: relative;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-width: 164px;
      min-height: 50px;
      padding: 12px 24px 12px 14px;
      overflow: hidden;
      text-decoration: none;
      isolation: isolate;
    }
    .social-cta::before {
      content: "";
      position: absolute;
      inset: 1px;
      border-radius: inherit;
      background: linear-gradient(135deg, rgba(255,255,255,.22), rgba(255,255,255,0));
      opacity: .82;
      pointer-events: none;
      z-index: 0;
    }
    .social-cta > * {
      position: relative;
      z-index: 1;
    }
    .social-cta__icon {
      width: 30px;
      height: 30px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex: 0 0 30px;
      background: rgba(255,255,255,.96);
      color: #0b54d9;
      font-family: 'Exo 2', sans-serif;
      font-size: .88rem;
      font-weight: 900;
      line-height: 1;
      box-shadow: 0 7px 18px rgba(0,0,0,.22), inset 0 -2px 0 rgba(0,0,0,.08);
    }
    .social-cta__icon--zalo {
      color: #0068ff;
      letter-spacing: -1px;
    }
    .social-cta__icon--facebook {
      color: #1877f2;
      font-size: 1rem;
    }
    .social-cta__icon--forum {
      color: #087f5b;
      font-size: .94rem;
    }
    .cta-zalo {
      background: linear-gradient(135deg, #00a3ff 0%, #0068ff 58%, #0047c7 100%);
      color: #fff;
      border: 1px solid rgba(147,210,255,.78);
      box-shadow: 0 10px 30px rgba(0,104,255,.38), inset 0 0 18px rgba(255,255,255,.12);
      text-shadow: 0 1px 0 rgba(0,0,0,.18);
    }
    .cta-zalo:hover {
      transform: translateY(-3px);
      box-shadow: 0 15px 38px rgba(0,104,255,.55), 0 0 0 1px rgba(255,255,255,.18) inset;
    }
    .cta-facebook {
      background: linear-gradient(135deg, rgba(24,119,242,.18), rgba(7,31,74,.86));
      color: #d9ecff;
      border: 1px solid rgba(97,169,255,.78);
      box-shadow: 0 10px 28px rgba(24,119,242,.27), inset 0 0 18px rgba(77,184,255,.08);
    }
    .cta-facebook:hover {
      background: linear-gradient(135deg, rgba(24,119,242,.34), rgba(9,42,98,.92));
      color: #fff;
      transform: translateY(-3px);
      box-shadow: 0 15px 36px rgba(24,119,242,.42), 0 0 0 1px rgba(255,255,255,.15) inset;
    }
    .cta-forum {
      width: min(100%, 342px);
      background: linear-gradient(135deg, rgba(16,185,129,.32), rgba(5,68,72,.9));
      color: #d8fff1;
      border: 1px solid rgba(105,240,174,.72);
      box-shadow: 0 10px 28px rgba(16,185,129,.22), inset 0 0 18px rgba(105,240,174,.08);
    }
    .cta-forum:hover {
      background: linear-gradient(135deg, rgba(16,185,129,.52), rgba(5,91,91,.94));
      color: #fff;
      transform: translateY(-3px);
      box-shadow: 0 15px 36px rgba(16,185,129,.34), 0 0 0 1px rgba(255,255,255,.15) inset;
    }
    .social-cta:focus-visible {
      outline: 3px solid rgba(255,213,79,.85);
      outline-offset: 4px;
    }

    #communityComments { scroll-margin-top: 92px; }

    @keyframes fadeInUp {
      from { opacity: 0; transform: translateY(28px); }
      to   { opacity: 1; transform: translateY(0); }
    }

    /* ============ STATS BAR ============ */
    .stats-bar {
      background: linear-gradient(90deg, rgba(4,20,43,0.9), rgba(10,79,163,0.5), rgba(4,20,43,0.9));
      border-top: 1px solid var(--glass-border);
      border-bottom: 1px solid var(--glass-border);
      padding: 20px 20px;
    }
    .stats-inner {
      max-width: 900px; margin: 0 auto;
      display: flex; justify-content: space-around;
      flex-wrap: wrap; gap: 16px;
    }
    .stat-item { text-align: center; }
    .stat-num {
      font-family: 'Orbitron', sans-serif;
      font-size: 1.8rem; font-weight: 900;
      color: var(--gold); line-height: 1;
    }
    .stat-lbl { font-size: 0.72rem; color: #90caf9; text-transform: uppercase; letter-spacing: 2px; margin-top: 4px; }

    /* ============ SECTION COMMON ============ */
    section { padding: 70px 20px; }
    .section-inner { max-width: 1100px; margin: 0 auto; }
    .sec-title {
      font-family: 'Orbitron', sans-serif;
      font-size: clamp(1.3rem, 4vw, 2rem);
      font-weight: 800; color: var(--gold);
      text-align: center; margin-bottom: 8px;
    }
    .sec-line {
      width: 80px; height: 3px;
      background: linear-gradient(90deg, var(--orange), var(--gold));
      margin: 0 auto 40px; border-radius: 2px;
    }

    /* Glass card */
    .glass-card {
      background: linear-gradient(135deg, rgba(10,79,163,0.18), rgba(4,20,43,0.4));
      border: 1px solid var(--glass-border);
      border-radius: 16px; padding: 28px;
      backdrop-filter: blur(12px);
      transition: all .3s;
    }
    .glass-card:hover {
      border-color: rgba(77,184,255,0.55);
      box-shadow: 0 8px 40px rgba(30,126,232,0.2);
      transform: translateY(-3px);
    }

    /* ============ INTRO / ABOUT ============ */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }
    @media(max-width:700px){ .about-grid { grid-template-columns: 1fr; } }
#downloadModal .modal-box {
  border: 1px solid rgba(255,213,79,0.3);
  box-shadow: 0 0 40px rgba(255,109,0,0.2);
}
    .about-card h3 {
      font-family: 'Orbitron', sans-serif;
      font-size: 1rem; color: var(--blue-glow);
      margin-bottom: 12px; display: flex; align-items: center; gap: 8px;
    }
    .about-card p, .about-card ul {
      font-size: 0.87rem; line-height: 1.9; color: #b0c8e8;
    }
    .about-card ul { padding-left: 18px; }
    .about-card ul li { margin-bottom: 6px; }
    .about-full { grid-column: 1/-1; }

    /* Platforms */
    .platforms {
      display: flex; flex-wrap: wrap; gap: 10px;
      margin-top: 12px;
    }
    .plat-tag {
      padding: 5px 12px; border-radius: 20px;
      background: rgba(30,126,232,0.15);
      border: 1px solid rgba(77,184,255,0.25);
      font-size: 0.75rem; color: #90caf9;
    }

.server-info{
  margin-top:16px;
  padding:16px 20px;
  display:inline-block;
  min-width:280px;
  border-radius:16px;

  background: linear-gradient(135deg,
    rgba(0,0,0,0.25),
    rgba(10,79,163,0.35));

  border: 1px solid rgba(77,184,255,0.5);

  color:#fff;
  font-size:0.95rem;
  font-weight:700;
  text-align:center;

  backdrop-filter: blur(16px);

  box-shadow:
    0 0 25px rgba(30,126,232,0.35),
    inset 0 0 12px rgba(255,255,255,0.05);

  position:relative;
  overflow:hidden;
  animation: serverPulse 2.5s ease-in-out infinite;
}

/* glow viền chạy */
.server-info::before{
  content:"";
  position:absolute;
  inset:0;
  background: linear-gradient(90deg,
    transparent,
    rgba(77,184,255,0.4),
    rgba(255,213,79,0.3),
    transparent);
  transform: translateX(-100%);
  animation: shineMove 3s linear infinite;
}

/* text highlight */
.server-info b{
  color:#ffd54f;
  text-shadow:0 0 10px rgba(255,213,79,0.5);
}

/* số đếm kiểu digital */
.server-time{
  font-family: 'Orbitron', sans-serif;
  font-size:1.1rem;
  color:#4db8ff;
  letter-spacing:1px;
  text-shadow:0 0 10px rgba(77,184,255,0.6);
}

@keyframes shineMove{
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

@keyframes serverPulse{
  0%,100% { transform: scale(1); }
  50% { transform: scale(1.02); }
}
    /* ============ GUIDE ============ */
    .guide-steps { display: flex; flex-direction: column; gap: 20px; }
    .guide-step {
      display: flex; gap: 18px;
      background: linear-gradient(135deg, rgba(10,79,163,0.14), rgba(4,20,43,0.35));
      border: 1px solid var(--glass-border);
      border-radius: 14px; padding: 22px;
    }
    .step-num {
      width: 44px; height: 44px; flex-shrink: 0;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--orange), var(--gold));
      color: #04142b; font-family: 'Orbitron', sans-serif;
      font-weight: 900; font-size: 1rem;
      display: flex; align-items: center; justify-content: center;
      box-shadow: 0 4px 14px rgba(255,109,0,0.4);
    }
    .step-body h3 {
      font-family: 'Orbitron', sans-serif;
      font-size: 0.95rem; color: var(--gold);
      margin-bottom: 8px;
    }
    .step-body p, .step-body ul {
      font-size: 0.85rem; color: #b0c8e8; line-height: 1.85;
    }
    .step-body ul { padding-left: 18px; }
    .step-body ul li { margin-bottom: 5px; }

    /* Tips grid */
    .tips-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
      gap: 14px; margin-top: 20px;
    }
    .tip-card {
      background: rgba(10,79,163,0.12);
      border: 1px solid rgba(77,184,255,0.2);
      border-radius: 12px; padding: 14px 16px;
      font-size: 0.82rem; color: #b0c8e8;
      line-height: 1.7;
      display: flex; gap: 10px; align-items: flex-start;
    }
    .tip-icon { font-size: 1.2rem; flex-shrink: 0; }

    /* ============ RECHARGE / NẠPTHERE ============ */
    .recharge-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
      gap: 16px;
    }
    .pack-card {
      background: linear-gradient(160deg, rgba(10,79,163,0.25), rgba(4,20,43,0.55));
      border: 1px solid rgba(77,184,255,0.25);
      border-radius: 16px; padding: 24px 16px;
      text-align: center; cursor: pointer;
      transition: all .3s; position: relative; overflow: hidden;
    }
    .pack-card::before {
      content: ''; position: absolute;
      top: -50%; left: -50%; width: 200%; height: 200%;
      background: conic-gradient(transparent 0deg, rgba(77,184,255,0.08) 90deg, transparent 180deg);
      animation: pack-spin 6s linear infinite;
    }
    @keyframes pack-spin { to { transform: rotate(360deg); } }
    .pack-card:hover { transform: translateY(-5px) scale(1.03); border-color: var(--gold); box-shadow: 0 10px 30px rgba(255,213,79,0.2); }
    .pack-card.hot { border-color: var(--orange); }
    .pack-badge {
      position: absolute; top: 10px; right: 10px;
      background: linear-gradient(135deg, #e53935, #ff6d00);
      color: #fff; font-size: 0.65rem; font-weight: 700;
      padding: 2px 7px; border-radius: 8px; text-transform: uppercase; letter-spacing: 1px;
    }
    .pack-gem { font-size: 2.4rem; margin-bottom: 8px; }
    .pack-amount {
      font-family: 'Orbitron', sans-serif;
      font-size: 1.4rem; font-weight: 900; color: var(--gold);
    }
    .pack-unit { font-size: 0.72rem; color: #90caf9; margin-bottom: 10px; }
    .pack-price {
      font-size: 1rem; font-weight: 700; color: #fff;
      background: linear-gradient(135deg, rgba(255,109,0,0.3), rgba(255,213,79,0.2));
      border: 1px solid rgba(255,213,79,0.3);
      border-radius: 20px; padding: 4px 14px;
      display: inline-block;
    }
    .pack-bonus { font-size: 0.72rem; color: #a5d6a7; margin-top: 6px; }
.form-msg{
  margin-bottom:16px;   /* đổi từ margin-top */
  padding:12px;
  border-radius:12px;
  font-size:0.85rem;
  text-align:center;
  font-weight:600;
}
.form-msg.success{
  background:rgba(76,175,80,0.15);
  border:1px solid rgba(76,175,80,0.4);
  color:#a5d6a7;
  display:block;
}

.form-msg.error{
  background:rgba(229,57,53,0.15);
  border:1px solid rgba(229,57,53,0.4);
  color:#ff8a80;
  display:block;
}
    /* Payment methods */
    .payment-methods {
      display: flex; flex-wrap: wrap; gap: 10px;
      margin-top: 24px; justify-content: center;
    }
    .pay-method {
      background: rgba(255,255,255,0.05);
      border: 1px solid rgba(255,255,255,0.12);
      border-radius: 10px; padding: 8px 16px;
      font-size: 0.8rem; color: #cde4ff;
      display: flex; align-items: center; gap: 6px;
    }

    /* ============ EVENTS MARQUEE ============ */
    .events-bar {
      background: linear-gradient(90deg, rgba(255,109,0,0.15), rgba(255,213,79,0.1), rgba(255,109,0,0.15));
      border-top: 1px solid rgba(255,109,0,0.3);
      border-bottom: 1px solid rgba(255,109,0,0.3);
      padding: 12px 0; overflow: hidden;
    }
    .marquee-track {
      display: flex; gap: 60px;
      animation: marquee 30s linear infinite;
      white-space: nowrap;
    }
    @keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
    .marquee-item {
      font-size: 0.82rem; color: var(--gold);
      font-weight: 600; display: inline-flex;
      align-items: center; gap: 8px;
    }
    .marquee-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--orange); flex-shrink: 0; }

    /* ============ FOOTER ============ */
    footer {
      background: linear-gradient(180deg, rgba(4,20,43,0.9), rgba(2,10,22,1));
      border-top: 1px solid var(--glass-border);
      padding: 40px 20px 20px;
      text-align: center;
    }
    .footer-inner { max-width: 900px; margin: 0 auto; }
    .footer-logo {
      font-family: 'Orbitron', sans-serif;
      font-size: 1.3rem; font-weight: 900;
      color: var(--gold); margin-bottom: 10px;
    }
    .footer-links {
      display: flex; flex-wrap: wrap; justify-content: center;
      gap: 20px; margin: 16px 0;
    }
    .footer-links a {
      color: #90caf9; text-decoration: none; font-size: 0.82rem;
      transition: color .2s;
    }
    .footer-links a:hover { color: var(--gold); }
    .footer-copy { font-size: 0.75rem; color: #4a6a8a; margin-top: 16px; }

    /* ============ MODAL ============ */
    .modal-overlay {
      display: none; position: fixed; inset: 0;
      background: rgba(4,20,43,0.85);
      backdrop-filter: blur(8px);
      z-index: 500; align-items: center; justify-content: center;
    }
    .modal-overlay.show { display: flex; }
    .modal-box {
      background: linear-gradient(135deg, rgba(4,20,43,0.98), rgba(10,79,163,0.9));
      border: 1px solid var(--glass-border);
      border-radius: 20px; padding: 36px 32px;
      max-width: 420px; width: 90%;
      box-shadow: 0 24px 80px rgba(0,0,0,0.6), 0 0 40px rgba(30,126,232,0.2);
      animation: modal-in .3s ease;
    }
    @keyframes modal-in { from { opacity: 0; transform: scale(.92) translateY(16px); } to { opacity: 1; transform: none; } }
    .modal-box h2 {
      font-family: 'Orbitron', sans-serif;
      font-size: 1.1rem; color: var(--gold);
      margin-bottom: 24px; text-align: center;
    }
    .form-group { margin-bottom: 16px; }
    .form-group label { display: block; font-size: 0.8rem; color: #90caf9; margin-bottom: 6px; letter-spacing: .5px; }
    .form-group input {
      width: 100%; padding: 10px 14px;
      background: rgba(255,255,255,0.05);
      border: 1px solid var(--glass-border);
      border-radius: 8px; color: #fff;
      font-family: 'Exo 2', sans-serif; font-size: 0.88rem;
      outline: none; transition: border-color .2s;
    }
    .form-group input:focus { border-color: var(--blue-glow); box-shadow: 0 0 10px rgba(77,184,255,0.2); }
    .modal-actions { display: flex; gap: 10px; margin-top: 20px; }
    .modal-actions button { flex: 1; padding: 11px; border: none; border-radius: 8px; cursor: pointer; font-family: 'Exo 2', sans-serif; font-weight: 700; font-size: 0.88rem; transition: all .2s; }
    .btn-submit { background: linear-gradient(135deg, #0a4fa3, #1e7ee8); color: #fff; }
    .btn-submit:hover { box-shadow: 0 4px 16px rgba(30,126,232,0.5); }
    .btn-cancel { background: rgba(255,255,255,0.07); color: #90caf9; }
    .btn-cancel:hover { background: rgba(255,255,255,0.13); }
    .modal-close {
      position: absolute; top: 16px; right: 16px;
      background: none; border: none; color: #90caf9;
      font-size: 1.4rem; cursor: pointer; transition: color .2s;
    }
    .modal-close:hover { color: var(--gold); }
    .modal-relative { position: relative; }

    /* ============ SCROLL TOP ============ */
    #scrollTop {
      position: fixed; bottom: 24px; right: 24px;
      width: 44px; height: 44px; border-radius: 50%;
      background: linear-gradient(135deg, var(--blue-primary), var(--blue-light));
      border: 1px solid var(--glass-border);
      color: #fff; font-size: 1.2rem;
      cursor: pointer; z-index: 200;
      box-shadow: 0 4px 20px rgba(30,126,232,0.4);
      display: flex; align-items: center; justify-content: center;
      opacity: 0; transition: opacity .3s;
    }
    #scrollTop.visible { opacity: 1; }
    #scrollTop:hover { background: linear-gradient(135deg, #1e7ee8, #4db8ff); transform: translateY(-2px); }

    /* ============ RESPONSIVE ============ */
    @media(max-width:768px) {
      .header-inner { flex-wrap: wrap; height: auto; padding: 10px 16px; }
      nav { gap: 4px; }
      .nav-btn { font-size: 0.78rem; padding: 6px 10px; }
      .social-links { gap: 6px; }
      .social-cta { min-width: 148px; min-height: 46px; padding: 10px 18px 10px 12px; font-size: .82rem; }
      .social-cta__icon { width: 28px; height: 28px; flex-basis: 28px; }
      .orbit-wrap { width: 240px; height: 240px; }
      .center-gif { width: 84px; height: 84px; }
      .orbit-icon { width: 42px; height: 42px; transform-origin: 120px 120px; }
      .orbit-icon:nth-child(2)  { transform: rotate(0deg)   translate(98px) rotate(0deg); }
      .orbit-icon:nth-child(3)  { transform: rotate(51deg)  translate(98px) rotate(-51deg); }
      .orbit-icon:nth-child(4)  { transform: rotate(103deg) translate(98px) rotate(-103deg); }
      .orbit-icon:nth-child(5)  { transform: rotate(154deg) translate(98px) rotate(-154deg); }
      .orbit-icon:nth-child(6)  { transform: rotate(206deg) translate(98px) rotate(-206deg); }
      .orbit-icon:nth-child(7)  { transform: rotate(257deg) translate(98px) rotate(-257deg); }
      .orbit-icon:nth-child(8)  { transform: rotate(309deg) translate(98px) rotate(-309deg); }
    }
    @media(max-width:480px) {
      .recharge-grid { grid-template-columns: 1fr 1fr; }
      .guide-step { flex-direction: column; }
      .hero-cta-row { width: 100%; gap: 10px; }
      .hero-cta-row .cta-zalo,
      .hero-cta-row .cta-facebook {
        width: calc(50% - 5px);
        min-width: 0;
        padding: 10px 8px;
        gap: 6px;
        font-size: .72rem;
      }
      .hero-cta-row .cta-forum {
        width: min(100%, 342px);
        min-width: 0;
      }
    }
    .download-actions{
  display:flex;
  gap:12px;
  margin-top:10px;
}

.dl-primary{
  flex:1;
  padding:12px 14px;
  border:none;
  border-radius:12px;
  font-weight:800;
  font-family:'Orbitron',sans-serif;
  cursor:pointer;
  color:#04142b;
  background:linear-gradient(135deg,#ffd54f,#ff6d00);
  box-shadow:0 10px 25px rgba(255,109,0,0.35);
  transition:.25s;
}

.dl-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 14px 35px rgba(255,109,0,0.5);
}

.dl-secondary{
  flex:1;
  padding:12px 14px;
  border-radius:12px;
  font-weight:700;
  cursor:pointer;
  color:#90caf9;
  background:rgba(255,255,255,0.06);
  border:1px solid rgba(144,202,249,0.25);
  transition:.25s;
}

.dl-secondary:hover{
  background:rgba(144,202,249,0.12);
  transform:translateY(-2px);
  color:#fff;
}
.sms-code-button {
  position: relative; display: flex; align-items: center; gap: 12px;
  width: 100%; min-height: 58px; padding: 9px 14px; overflow: hidden;
  border: 1px solid rgba(255,213,79,.85); border-radius: 13px;
  color: #04142b; text-align: left; font-family: 'Exo 2', sans-serif;
  cursor: pointer; background: linear-gradient(135deg, #ffe082, #ff8f00);
  box-shadow: 0 8px 24px rgba(255,143,0,.3), inset 0 1px rgba(255,255,255,.45);
  transition: transform .2s, box-shadow .2s, filter .2s, opacity .2s;
}
.sms-code-button::after {
  content: ""; position: absolute; inset: 0; transform: translateX(-110%);
  background: linear-gradient(110deg, transparent 25%, rgba(255,255,255,.42) 50%, transparent 75%);
  transition: transform .55s ease;
}
.sms-code-button:not(:disabled):hover { transform: translateY(-2px); box-shadow: 0 11px 30px rgba(255,143,0,.5); }
.sms-code-button:not(:disabled):hover::after { transform: translateX(110%); }
.sms-code-button__icon {
  position: relative; z-index: 1; flex: 0 0 38px; height: 38px; border-radius: 10px;
  display: grid; place-items: center; color: #fff; font-size: 1.05rem;
  background: rgba(4,20,43,.82); box-shadow: 0 4px 12px rgba(4,20,43,.25);
}
.sms-code-button__content { position: relative; z-index: 1; display: flex; flex: 1; flex-direction: column; gap: 2px; }
.sms-code-button__content strong { font-size: .82rem; letter-spacing: .2px; }
.sms-code-button__content small { font-size: .62rem; font-weight: 600; opacity: .72; }
.sms-code-button__arrow { position: relative; z-index: 1; font-size: .8rem; transition: transform .2s; }
.sms-code-button:not(:disabled):hover .sms-code-button__arrow { transform: translateX(3px); }
.sms-code-button:disabled {
  color: #7890a8; cursor: not-allowed; opacity: .58; filter: grayscale(1);
  border-color: rgba(144,202,249,.22); background: rgba(255,255,255,.055);
  box-shadow: none;
}
.sms-code-button:disabled .sms-code-button__icon { color: #7890a8; background: rgba(4,20,43,.55); box-shadow: none; }
.sms-code-display {
  margin-top: 10px; padding: 10px 14px; border: 1px dashed rgba(255,213,79,.7); border-radius: 11px;
  color: #ffd54f; background: linear-gradient(135deg, rgba(255,213,79,.1), rgba(255,109,0,.07)); text-align: center;
  box-shadow: inset 0 0 18px rgba(255,213,79,.05);
}
.sms-code-display span { display: block; color: #90caf9; font-size: .65rem; letter-spacing: .4px; }
.sms-code-display strong { display: block; margin-top: 3px; font-family: 'Orbitron', sans-serif; font-size: 1.12rem; letter-spacing: 5px; }
.sms-code-status { min-height: 18px; margin-top: 6px; color: #90caf9; font-size: .72rem; }
.sms-code-status.success { color: #69f0ae; }
.sms-code-status.error { color: #ff8a80; }
#btnRegister:disabled { cursor: not-allowed; box-shadow: none; filter: grayscale(.35); }

html { font-size: 100%; }

/* Mobile (APK + iOS) */
@media (max-width: 768px) {
  html { font-size: 110%; } /* +10% */
}

/* PC */
@media (min-width: 769px) {
  html { font-size: 125%; } /* +15% */
}