/* ========================================
   HEADER CSS - Optimized Loading
   ======================================== */

/* iOS 26 Header - Complete Redesign */
header{
  position: sticky; top: 0; left: 0; right: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: linear-gradient(
    180deg,
    rgba(10,11,16,.7),
    rgba(10,11,16,.3) 70%,
    rgba(10,11,16,0)
  );
  border-bottom: 1px solid var(--stroke);
  height:var(--stickyH);
  box-shadow:0 1px 0 rgba(255,255,255,0.05);
}

.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
  height:100%;
  max-width:1200px;
  margin:0 auto;
}

.brand{
  display:flex;
  align-items:center;
  gap:8px;
  font-weight:700;
  font-size:18px;
  color:var(--text);
  letter-spacing:-0.5px;
  transition:all 0.3s ease;
}

.brand:hover{
  transform:scale(1.02);
}

.nav-links{
  display:flex;
  align-items:center;
  gap:20px;
}

.nav-link{
  color:var(--text);
  text-decoration:none;
  font-weight:500;
  font-size:14px;
  padding:8px 16px;
  border-radius:20px;
  transition:all 0.3s ease;
}

.nav-link:hover{
  background:rgba(255,255,255,0.1);
  color:#fff;
  transform:translateY(-1px);
}

.brand-mark{
  display:flex;
  align-items:center;
  justify-content:center;
  width:120px;
  height:50px;
  border-radius:0;
  background:transparent;
  box-shadow:none;
  overflow:hidden;
  transition:all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position:relative;
}

.brand-mark::before{ content:none; }

.brand-mark::after{ content:none; }

.brand-mark:hover{ transform:none; box-shadow:none; }

.brand-mark:hover::before{ opacity:0; }

.brand-mark:hover::after{ left:auto; }

.brand-mark img{
  width:120px;
  height:50px;
  object-fit:contain;
  filter:none;
  transition:transform 0.3s ease;
}

.brand-mark:hover img{ transform:none; }

.menu{
  display:flex;
  gap:4px;
  align-items:center;
  justify-content: flex-end;
  width: 100%;
}

.menu-left {
  display: flex;
  align-items: center;
  gap: 4px;
}

.menu-right {
  display: flex;
  align-items: center;
  gap: 4px;
}

.menu a{
  padding:6px 12px;
  border-radius:16px;
  color:var(--text);
  font-weight:500;
  font-size:13px;
  transition:all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position:relative;
  overflow:hidden;
  white-space:nowrap;
  background:rgba(255,255,255,0.02);
  border:0.5px solid rgba(255,255,255,0.05);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
}

.menu a::before{
  content:'';
  position:absolute;
  top:0;
  left:0;
  right:0;
  bottom:0;
  background:linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03));
  border-radius:20px;
  opacity:0;
  transition:opacity 0.3s ease;
}

.menu a::after{
  content:'';
  position:absolute;
  top:0;
  left:-100%;
  width:100%;
  height:100%;
  background:linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition:left 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius:20px;
}

.menu a:hover{
  background:rgba(255,255,255,0.12);
  border-color:rgba(255,255,255,0.2);
  color:var(--text);
  transform:translateY(-1px) scale(1.02);
  box-shadow:0 4px 16px rgba(255,255,255,0.15), 0 2px 8px rgba(0,0,0,0.1);
  backdrop-filter:blur(25px);
  -webkit-backdrop-filter:blur(25px);
}

.menu a:hover::before{
  opacity:1;
}

.menu a:hover::after{
  left:100%;
}

.menu a:active{
  transform:translateY(0) scale(1);
  transition:transform 0.1s ease;
  background:rgba(255,255,255,0.08);
  box-shadow:0 2px 8px rgba(255,255,255,0.1);
}

/* iOS 26 User Menu Styles - Complete Redesign */
.auth-menu, .user-menu {
  display: flex;
  gap: 8px;
  align-items: center;
}

.user-profile-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: rgba(255,255,255,0.05);
  border: 0.5px solid rgba(255,255,255,0.1);
  border-radius: 16px;
  color: var(--text);
  font-weight: 500;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}

.user-profile-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03));
  border-radius: 25px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.user-profile-btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 25px;
}

.user-profile-btn:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.2);
  transform: translateY(-1px) scale(1.02);
  box-shadow: 0 4px 16px rgba(255,255,255,0.15), 0 2px 8px rgba(0,0,0,0.1);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
}

.user-profile-btn:hover::before {
  opacity: 1;
}

.user-profile-btn:hover::after {
  left: 100%;
}

.user-profile-btn:active {
  transform: translateY(0) scale(1);
  transition: transform 0.1s ease;
  background: rgba(255,255,255,0.08);
  box-shadow: 0 2px 8px rgba(255,255,255,0.1);
}

.user-avatar {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 11px;
  box-shadow: 0 2px 8px rgba(255,59,48,0.3);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.user-avatar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.user-profile-btn:hover .user-avatar {
  transform: scale(1.1);
  box-shadow: 0 4px 12px rgba(255,59,48,0.4);
}

.user-profile-btn:hover .user-avatar::before {
  opacity: 1;
}

.user-name {
  font-weight: 500;
  color: var(--text);
  transition: color 0.3s ease;
}

.user-profile-btn:hover .user-name {
  color: var(--brand);
}

.auth-menu .btn, .user-menu .btn {
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 500;
  border-radius: 16px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  background: rgba(255,255,255,0.02);
  border: 0.5px solid rgba(255,255,255,0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.auth-menu .btn::before, .user-menu .btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03));
  border-radius: 20px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.auth-menu .btn::after, .user-menu .btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 20px;
}

.auth-menu .btn:hover, .user-menu .btn:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.1);
  transform: translateY(-1px) scale(1.02);
  box-shadow: 0 4px 16px rgba(255,255,255,0.1);
}

.auth-menu .btn:hover::before, .user-menu .btn:hover::before {
  opacity: 1;
}

.auth-menu .btn:hover::after, .user-menu .btn:hover::after {
  left: 100%;
}

.auth-menu .btn:active, .user-menu .btn:active {
  transform: translateY(0) scale(1);
  transition: transform 0.1s ease;
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  /* Hide specific menu items on mobile */
  .menu a[href="/promotion"],
  .menu a[href="/reviews"],
  .menu a[href="/#lucky-wheel"],
  .menu a[href="/#pricing"] {
    display: none !important;
  }
  
  /* Smaller LINE button on mobile */
  .menu a[href*="line.me"] {
    padding: 4px 8px !important;
    font-size: 11px !important;
    width: 80px !important;
    height: 30px !important;
    min-width: 80px !important;
    max-width: 80px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 4px !important;
    margin-left: auto !important;
  }
  
  .menu a[href*="line.me"] svg {
    width: 12px !important;
    height: 12px !important;
  }
  
  .menu a[href*="line.me"] span {
    font-size: 10px !important;
    white-space: nowrap !important;
  }
  
  .nav {
    padding: 0 20px;
  }
  
  .brand img {
    width: 100px;
    height: 35px;
  }
}

/* iOS 26 Responsive adjustments */
@media (max-width: 768px) {
  .nav {
    padding: 0 16px;
    width: 100%;
    box-sizing: border-box;
  }
  
  .menu {
    gap: 1px;
    width: 100%;
    justify-content: flex-end;
    align-items: center;
    display: flex !important;
    flex-wrap: wrap !important;
  }
  
  .menu-left {
    display: flex !important;
    align-items: center !important;
    gap: 1px !important;
    flex-wrap: wrap !important;
  }
  
  .menu-right {
    display: flex !important;
    align-items: center !important;
    gap: 1px !important;
  }
  
  .menu a {
    padding: 5px 8px;
    font-size: 12px;
    border-radius: 14px;
    white-space: nowrap;
  }

  /* Make lucky draw button same size as login button on mobile */
  .menu a[href="#lucky-wheel"] {
    padding: 5px 10px;
    font-size: 12px;
    border-radius: 14px;
  }
  
  .brand {
    font-size: 16px;
    gap: 6px;
  }
  
  .brand-mark {
    width: 120px;
    height: 50px;
    border-radius: 0;
  }
  
  .brand-mark img {
    width: 120px;
    height: 50px;
  }
  
  .user-profile-btn {
    padding: 3px 8px;
    font-size: 11px;
    border-radius: 15px;
  }
  
  .user-avatar {
    width: 18px;
    height: 18px;
    font-size: 10px;
  }
  
  .auth-menu .btn, .user-menu .btn {
    padding: 5px 10px;
    font-size: 12px;
    border-radius: 14px;
  }
}

@media (max-width: 480px) {
  /* More compact spacing for very small screens */
  main { padding-top: calc(var(--stickyH) + 0px); }
  .nav {
    padding: 0 10px;
  }
  
  .menu {
    gap: 1px;
  }
  
  .menu a {
    padding: 4px 6px;
    font-size: 11px;
    border-radius: 12px;
  }

  /* Make lucky draw button same size as login button on small mobile */
  .menu a[href="#lucky-wheel"] {
    padding: 4px 8px;
    font-size: 11px;
    border-radius: 12px;
  }
  
  .brand {
    font-size: 14px;
    gap: 4px;
  }
  
  .brand-mark {
    width: 120px;
    height: 50px;
    border-radius: 0;
  }
  
  .brand-mark img {
    width: 120px;
    height: 50px;
  }
  
  .user-profile-btn {
    padding: 2px 6px;
    font-size: 10px;
    border-radius: 12px;
  }
  
  .user-avatar {
    width: 16px;
    height: 16px;
    font-size: 9px;
  }
  
  .auth-menu .btn, .user-menu .btn {
    padding: 4px 8px;
    font-size: 11px;
    border-radius: 12px;
  }
}