/* ============================================================================
   🎯 HEADER STYLES - Roblox Arabic Hub
   Responsive Header with Perfect Spacing
   ============================================================================ */

/* ============= HEADER BASE ============= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  transition: all 0.3s ease;
}

.header.scrolled {
  background: var(--bg-card);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

/* ============= HEADER INNER ============= */
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  padding: 0 24px;
  max-width: 1400px;
  margin: 0 auto;
  gap: 20px;
  flex-wrap: nowrap;
}

/* ============= BRAND ============= */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  flex-shrink: 0;
  transition: color 0.2s ease;
  white-space: nowrap;
}

.brand:hover {
  color: var(--primary);
}

.brand .dot {
  width: 10px;
  height: 10px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0%, 100% { 
    opacity: 1; 
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(46, 174, 209, 0.4);
  }
  50% { 
    opacity: 0.8; 
    transform: scale(1.1);
    box-shadow: 0 0 0 8px rgba(46, 174, 209, 0);
  }
}

/* ============= NAVIGATION ============= */
.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
  flex-wrap: nowrap;
}

.nav a {
  position: relative;
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 10px;
  transition: all 0.3s ease;
  white-space: nowrap;
  text-decoration: none;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 1px;
  transition: width 0.3s ease;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--primary);
  background: rgba(46, 174, 209, 0.08);
}

.nav a:hover::after,
.nav a[aria-current="page"]::after {
  width: 20px;
}

/* ============= HEADER ACTIONS ============= */
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  flex-wrap: nowrap;
}

/* Auth Slot */
#authSlot {
  display: flex;
  align-items: center;
}

#authSlot .btn {
  padding: 8px 16px;
  font-size: 13px;
  white-space: nowrap;
}

/* Language Button */
.lang-btn {
  min-width: 36px;
  width: 36px;
  height: 36px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  background: var(--glass-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  flex-shrink: 0;
}

.lang-btn:hover {
  background: rgba(46, 174, 209, 0.1);
  border-color: var(--primary);
  color: var(--primary);
}

/* Theme Toggle */
#themeToggle {
  width: 36px;
  height: 36px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  background: var(--glass-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

#themeToggle:hover {
  background: rgba(46, 174, 209, 0.1);
  border-color: var(--primary);
  transform: rotate(15deg);
}

/* ============= MOBILE MENU BUTTON ============= */
.mobile-menu-btn {
  display: none;
  width: 36px;
  height: 36px;
  padding: 0;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  flex-shrink: 0;
}

.mobile-menu-btn span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  position: relative;
  transition: all 0.3s ease;
}

.mobile-menu-btn span::before,
.mobile-menu-btn span::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 2px;
  background: var(--text);
  transition: all 0.3s ease;
}

.mobile-menu-btn span::before {
  top: -6px;
}

.mobile-menu-btn span::after {
  top: 6px;
}

/* ============= RESPONSIVE: LARGE SCREENS ============= */
@media (min-width: 1200px) {
  .header-inner {
    gap: 30px;
  }
  
  .nav a {
    padding: 10px 14px;
    font-size: 14px;
  }
}

/* ============= RESPONSIVE: TABLET ============= */
@media (max-width: 1100px) {
  .header-inner {
    padding: 0 16px;
    gap: 12px;
  }

  .nav {
    gap: 2px;
  }

  .nav a {
    padding: 6px 8px;
    font-size: 12px;
  }

  .brand {
    font-size: 15px;
    gap: 8px;
  }
  
  #authSlot .btn {
    padding: 6px 12px;
    font-size: 12px;
  }
}

/* ============= RESPONSIVE: MOBILE ============= */
@media (max-width: 900px) {
  .header-inner {
    height: 60px;
    padding: 0 16px;
  }

  .nav {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    justify-content: flex-start;
    padding: 24px;
    gap: 8px;
    background: var(--bg-card);
    backdrop-filter: blur(30px);
    border-top: 1px solid var(--border);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
  }

  .nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav a {
    width: 100%;
    padding: 14px 20px;
    font-size: 16px;
    text-align: right;
    border-radius: 12px;
  }

  .nav a::after {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .mobile-menu-btn.open span {
    background: transparent;
  }

  .mobile-menu-btn.open span::before {
    top: 0;
    transform: rotate(45deg);
  }

  .mobile-menu-btn.open span::after {
    top: 0;
    transform: rotate(-45deg);
  }

  .brand {
    font-size: 15px;
  }

  .header-actions {
    gap: 6px;
  }

  #authSlot .btn {
    padding: 6px 10px;
    font-size: 12px;
  }

  .lang-btn,
  #themeToggle {
    width: 34px;
    height: 34px;
    font-size: 12px;
  }
}

/* ============= RESPONSIVE: SMALL MOBILE ============= */
@media (max-width: 480px) {
  .header-inner {
    padding: 0 12px;
    gap: 8px;
  }

  .brand span:not(.dot) {
    display: none;
  }

  #authSlot .btn {
    padding: 6px 8px;
    font-size: 11px;
  }
  
  .lang-btn,
  #themeToggle {
    width: 32px;
    height: 32px;
  }
}

/* ============= USER LOGGED IN STATE ============= */
.user-avatar-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px 4px 4px;
  background: var(--glass-bg);
  border: 1px solid var(--border);
  border-radius: 25px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.user-avatar-btn:hover {
  background: rgba(46, 174, 209, 0.1);
  border-color: var(--primary);
}

.user-avatar-btn img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.user-avatar-btn span {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  max-width: 80px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 600px) {
  .user-avatar-btn span {
    display: none;
  }

  .user-avatar-btn {
    padding: 3px;
    border-radius: 50%;
  }
  
  .user-avatar-btn img {
    width: 30px;
    height: 30px;
  }
}

/* ============= ADMIN BADGE ============= */
.admin-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  font-size: 10px;
  font-weight: 600;
  color: #f59e0b;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 6px;
  text-decoration: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.admin-badge:hover {
  background: rgba(245, 158, 11, 0.25);
  color: #f59e0b;
}

/* ============= LOGOUT BUTTON ============= */
.logout-btn {
  padding: 6px 12px;
  font-size: 12px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.logout-btn:hover {
  background: rgba(239, 68, 68, 0.2);
}