/* Shared header styles for all pages */
.site-header {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #f1f5f9;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #334155;
  font-family: system-ui, -apple-system, sans-serif;
}

.site-header .logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: #6ee7b7;
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color 0.2s;
}

.site-header .logo:hover {
  color: #86efac;
}

.site-header .main-nav {
  display: flex;
  gap: 1rem;
  flex: 1;
  justify-content: center;
}

.site-header .main-nav a {
  color: #cbd5e1;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.5rem 0.75rem;
  border-radius: 9999px;
  transition: all 0.2s;
}

.site-header .main-nav a:hover {
  background: rgba(110, 231, 183, 0.1);
  color: #6ee7b7;
}

.site-header .header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.site-header .city-display {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #94a3b8;
  font-weight: 500;
  font-size: 0.875rem;
  padding: 0.25rem 0.75rem;
  background: rgba(148, 163, 184, 0.1);
  border-radius: 9999px;
}

.site-header .city-icon {
  font-size: 1rem;
}

.site-header .coins-display {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #fbbf24;
  font-weight: 600;
  font-size: 0.875rem;
}

.site-header .coin-icon {
  font-size: 1rem;
}

.site-header .profile-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #f1f5f9;
  text-decoration: none;
  transition: opacity 0.2s;
}

.site-header .profile-link:hover {
  opacity: 0.8;
}

.site-header .avatar {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  border: 2px solid #6ee7b7;
  object-fit: cover;
}

.site-header #header-username {
  font-size: 0.875rem;
  font-weight: 500;
}

.site-header .city-label {
  display: none;
  font-size: 0.75rem;
  color: #94a3b8;
  font-weight: 400;
  margin-left: 0.5rem;
  font-style: italic;
}

.site-header .leave-island-btn {
  background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.site-header .leave-island-btn:hover {
  background: linear-gradient(135deg, #ea580c 0%, #c2410c 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

.site-header .leave-island-btn:active {
  transform: translateY(0);
}

/* Mobile responsive */
@media (max-width: 640px) {
  .site-header {
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .site-header .main-nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    gap: 0.5rem;
  }

  .site-header .main-nav a {
    font-size: 0.75rem;
    padding: 0.375rem 0.5rem;
  }
}